1. Li, D., Leng, Z.*, Yao, L., Cao, R., Zou, F., Li, G., Wang, Hainian, Wang, Haopeng, 2024. Mechanical, economic, and environmental assessment of recycling reclaimed asphalt rubber pavement using different rejuvenation schemes. Resources, Conservation and Recycling 204, 107534. https://doi.org/10.1016/j.resconrec.2024.107534
2. Lu, D., Jiang, X.*, Leng, Z.*, 2024. Sustainable microwave-heating healing asphalt concrete fabricated with waste microwave-sensitive fillers. Journal of Cleaner Production 434, 140343. https://doi.org/10.1016/j.jclepro.2023.140343
3. Ma, Z., Wang, H.*, Li, Y., Yang, X., Leng, Z., 2024. Optimized bio-oil emulsification for sustainable asphalt production: A step towards a low-carbon pavement. Construction and Building Materials 419, 135218. https://doi.org/10.1016/j.conbuildmat.2024.135218
4. Sui, X., Leng, Z.*, Wang, S., Zhang, S., 2024. Removal of the GPR antenna vibration effect through height shifting correction for enhanced multi-layer asphalt pavement thickness determination. Automation in Construction 161, 105335. https://doi.org/10.1016/j.autcon.2024.105335
5. Wang, X., Wang, H., Wang, C., Feng, P., Irfan, M., Gao, J., Leng, Z., Zhang, C., 2024. Real-time monitoring of asphalt pavement structure fatigue response based on tri-axis accelerometer. International Journal of Pavement Engineering 25, 2308158. https://doi.org/10.1080/10298436.2024.2308158
6. Cao, R., Li, H., Yao, L., Jiang, J.*, Leng, Z.*, Ni, F., Zhao, Z., 2024. Comparative analysis of cold in-place recycling for roadway maintenance and rehabilitation from the perspectives of technical-cost-environmental nexus. Journal of Cleaner Production 439, 140768. https://doi.org/10.1016/j.jclepro.2024.140768
7. Kravchenko, E., Lazorenko, G., Jiang, X.*, Leng, Z.*, 2024. Alkali-activated materials made of construction and demolition waste as precursors: A review. Sustainable Materials and Technologies 39, e00829. https://doi.org/10.1016/j.susmat.2024.e00829
8. Tan, Z., Guo, F., Leng, Z.*, Yang, Z., Cao, P., 2024. A novel strategy for generating mesoscale asphalt concrete model with controllable aggregate morphology and packing structure. Computers & Structures 296, 107315. https://doi.org/10.1016/j.compstruc.2024.107315
9. Yang, B., Leng, Z.*, Jiang, J., Chen, R., Lu, G., 2024. Diffusion characteristics of surface treatment emulsion in aged asphalt mortar of porous asphalt mixture through SEM/EDS analysis. International Journal of Pavement Engineering 25, 2290093. https://doi.org/10.1080/10298436.2023.2290093
10. Yao, L., Leng, Z.*, Ni, F., Lu, G., Jiang, J., 2024. Adaptive maintenance strategies to mitigate climate change impacts on asphalt pavements. Transportation Research Part D: Transport and Environment 126, 104026. https://doi.org/10.1016/j.trd.2023.104026
11. Zou, F., Leng, Z.*, Lu, G., Lv, S., 2024. Leaching characteristics of metals and Polycyclic Aromatic Hydrocarbons (PAHs) from asphalt paving materials. Science of The Total Environment 918, 170733. https://doi.org/10.1016/j.scitotenv.2024.170733
12. Cai, X., Ashish, P.K., Leng, Z.*, Tan, Z., Wang, H., 2024. Effects of residual water on mechanical properties of cold mix based semi-flexible pavement composite towards a sustainable paving material. Journal of Cleaner Production 434, 139857. https://doi.org/10.1016/j.jclepro.2023.139857
13. Chen, Z., Zhang, H.*, Yang, X., Leng, Z.*, Tang, Y., 2024. Cooling efficiency of thermochromic asphalt pavement material and its contribution to field performance enhancement of asphalt mixture. Construction and Building Materials 411, 134562. https://doi.org/10.1016/j.conbuildmat.2023.134562
14. Jiang, J.*, Wang, J., Zhao, Z., Ni, F., Xu, D., Zhang, Z., Leng, Z.*, 2023. Drying behavior modeling of bitumen emulsion-based cold in-place recycling pavement considering heat-moisture coupling effects. Journal of Cleaner Production 429, 139634. https://doi.org/10.1016/j.jclepro.2023.139634
15. Jiang, X., Zhang, Y., Jiang, J., Zhang, X., Leng, Z., 2024. Discussion of “Study on Asphalt-Cement Materials for Seismic Isolation Layer of Shield Tunnels.” Journal of Materials in Civil Engineering 36, 07023014. https://doi.org/10.1061/JMCEE7.MTENG-16219
16. Li, H., Tan, Z., Li, R., Luo, X., Zhang, Y.*, Leng, Z.*, 2024. Mechanistic modeling of fatigue crack growth in asphalt fine aggregate matrix under torsional shear cyclic load. International Journal of Fatigue 178, 107999. https://doi.org/10.1016/j.ijfatigue.2023.107999
17. Tan, Z., Leng, Z.*, Jelagin, D., Cao, P., Jiang, J., Kumar Ashish, P., Zou, F., 2023. Numerical modeling of the mechanical response of asphalt concrete in tension and compression. Mechanics of Materials 187, 104823. https://doi.org/10.1016/j.mechmat.2023.104823
18. Yan, C., Xi, J., Ai, C.*, Leng, Z.*, 2023. Investigating the unique entropy-elasticity of polymer modified asphalt. Cleaner Materials 100216. https://doi.org/10.1016/j.clema.2023.100216
19. Zhou, Y., Xu, G., Wang, H., Chen, X., Fan, Y., Yang, J., Leng, Z., Huang, W., 2023. Investigation of the rheological properties of devulcanized rubber-modified asphalt with different rubber devulcanization degrees and rubber contents. Road Materials and Pavement Design 0, 1–14. https://doi.org/10.1080/14680629.2023.2287714
20. Zou, F., Leng, Z.*, Li, D., Zhang, S., Yaphary, Y.L., Lu, G., 2023. Leaching potential of metals and PAHs of asphalt rubber paving materials. Transportation Research Part D: Transport and Environment 125, 103984. https://doi.org/10.1016/j.trd.2023.103984
21. Zou, F., Leng, Z.*, Tan, Z., Li, D., Han, M., Lu, G., Sreeram, A., 2024a. Kinetics and toxicological potential of heavy metal leaching from asphalt pavements. Science of The Total Environment 912, 169193. https://doi.org/10.1016/j.scitotenv.2023.169193
22. Zou, F., Xu, X., Chen, R., Lan, J., Li, G., Tan, Z., Xu, J., Jiang, X., Leng, Z.*, 2024b. A novel foaming additive derived from waste polyethylene terephthalate (PET) for low-carbon warm mix asphalt. Resources, Conservation and Recycling 202, 107377. https://doi.org/10.1016/j.resconrec.2023.107377
23. Lu, D., Jiang, X., Leng, Z.*, Huo, Y., Wang, D., Zhong, J.*, 2023. Electrically conductive asphalt concrete for smart and sustainable pavement construction: A review. Construction and Building Materials 406, 133433. https://doi.org/10.1016/j.conbuildmat.2023.133433
24. Ding, H., Wang, H.*, Ma, Z., Leng, Z., Feng, P., Wang, T., Qu, X., 2023. Virtual strain loading method for low temperature cohesive failure of asphalt binder. Journal of Road Engineering. https://doi.org/10.1016/j.jreng.2022.09.004
25. Han, M., Tan, Y.*, Leng, Z.*, Zou, F., Li, S., Li, J., Zhang, C., 2023. Performance of Oil-Absorbing organogel Polystyrene-Stearyl methacrylate as a fume suppressant of asphalt binder. Construction and Building Materials 404, 133239. https://doi.org/10.1016/j.conbuildmat.2023.133239
26. Leng, Z., Fan, Z., Liu, P., Kollmann, J., Oeser, M., Wang, D.*, Jiang, X., 2023. Texturing and evaluation of concrete pavement surface: A state-of-the-art review. Journal of Road Engineering. https://doi.org/10.1016/j.jreng.2023.08.001
27. Lu, D., Jiang, X., Leng, Z.*, Zhang, S., Wang, D., Zhong, J.*, 2023b. Dual responsive microwave heating-healing system in asphalt concrete incorporating coal gangue and functional aggregate. Journal of Cleaner Production 422, 138648. https://doi.org/10.1016/j.jclepro.2023.138648
28. Lu, D., Jiang, X.*, Tan, Z., Yin, B., Leng, Z., Zhong, J., 2023c. Enhancing sustainability in pavement Engineering: A-state-of-the-art review of cement asphalt emulsion mixtures. Cleaner Materials 9, 100204. https://doi.org/10.1016/j.clema.2023.100204
29. Li, H., Luo, X., Zhang, Y.*, Leng, Z.*, 2023. Viscoelastic fracture mechanics-based fatigue life model in asphalt-filler composite system. Engineering Fracture Mechanics 109589. https://doi.org/10.1016/j.engfracmech.2023.109589
30. Zhao, Z., Jiang, J. *, Leng, Z.*, Ni, F., 2023. Micropore structure characterization of the bitumen emulsion-based cold in-place recycling mixture considering water gradient migration condition through multiple XCT scanning. Construction and Building Materials 403, 133084. https://doi.org/10.1016/j.conbuildmat.2023.133084
31. Jiang, X., Wang, H., Leng, Z., 2023. Discussion of “Validation of a Novel Sensing Approach for Continuous Pavement Monitoring Using Full-Scale APT Testing.” Journal of Transportation Engineering, Part B: Pavements 149, 07023002. https://doi.org/10.1061/JPEODX.PVENG-1383
32. Cai, X., Leng, Z.*, Ashish, P.K., Shi, C., Yang, J., Gong, M., 2023. Temperature dependency analysis of the fracture characteristics of semi-flexible pavement (SFP) mixtures using acoustic emission technique. International Journal of Pavement Engineering 24, 2201903. https://doi.org/10.1080/10298436.2023.2201903
33. Jiang, J.*, Zhao, Z., Jiang, X., Leng, Z.*, Yang, B., Ni, F., 2023. Moisture migration characterization of bitumen emulsion-based cold in-place recycling mixture over curing. Mater Struct 56, 122. https://doi.org/10.1617/s11527-023-02212-x
34. Li, D., Leng, Z.*, Tan, Z., Yang, B., Chen, Z., Wang, H., Lu, G., 2023. Investigation of rejuvenation mechanisms of reclaimed asphalt rubber pavement through mortar tests. International Journal of Pavement Engineering 24, 2235631. https://doi.org/10.1080/10298436.2023.2235631
35. Li, H., Ling, J., Leng, Z., Zhang, Y.*, Luo, X., 2023. Nonlinear Viscoelasticity and Viscoplasticity Characteristics of Virgin and Modified Asphalt Binders. Journal of Engineering Mechanics 149, 04023074. https://doi.org/10.1061/JENMDT.EMENG-7154
36. Li, R., Leng, Z.*, Li, H., Zhu, H., Kong, L., Xu, X., 2023. Effects of waterborne epoxy resin on the fatigue performance of bitumen emulsion. Road Materials and Pavement Design 0, 1–14. https://doi.org/10.1080/14680629.2023.2230327
37. Lu, D., Leng, Z.*, Lu, G., Wang, D.*, Huo, Y., 2023. A critical review of carbon materials engineered electrically conductive cement concrete and its potential applications. International Journal of Smart and Nano Materials 14, 189–215. https://doi.org/10.1080/19475411.2023.2199703
38. Sui, X., Leng, Z.*, Wang, S., 2023. Machine learning based detection of transportation infrastructure internal defects using ground penetrating radar: a state-of-the-art review. Intelligent Transportation Infrastructure liad004.
39. Sui, X., Wang, S., Leng, Z.*, Yang, B., Lu, G., 2023. Clogging evaluation of porous asphalt pavement using ground-penetrating radar. Measurement 216, 112939. https://doi.org/10.1016/j.measurement.2023.112939
40. Tan, Z., Jelagin, D., Fadil, H., Leng, Z.*, Li, R., Jiang, J., Cao, P., 2023. Virtual-specimen modeling of aggregate contact effects on asphalt concrete. Construction and Building Materials 400, 132638. https://doi.org/10.1016/j.conbuildmat.2023.132638
41. Tan, Z., Yang, B., Leng, Z.*, Jelagin, D.*, Cao, P., Li, R., Zou, F., 2023. Multiscale characterization and modeling of aggregate contact effects on asphalt concrete’s tension–compression asymmetry. Materials & Design 232, 112092. https://doi.org/10.1016/j.matdes.2023.112092
42. Wang, H.*, Airey, G.D., Leng, Z., Lu, G., 2023. Optimisation of the preparation procedure of crumb rubber modified bitumen with wax-based additives. Road Materials and Pavement Design 0, 1–12. https://doi.org/10.1080/14680629.2023.2191724
43. Xu, J., Fan, Z., Wang, D.*, Leng, Z., Lu, G., Liu, P., 2023. Experimental characterization of the compatibility between bitumen and fillers from a perspective of bitumen components and filler characteristics. Mater Struct 56, 116. https://doi.org/10.1617/s11527-023-02207-8
44. Yao, L., Leng, Z.*, Jiang, J., Fang, C., Ni, F., 2023. Effects of traffic load amplitude sequence on the cracking performance of asphalt pavement with a semi-rigid base. International Journal of Pavement Engineering 24, 2152027. https://doi.org/10.1080/10298436.2022.2152027
45. Yao, L., Leng, Z.*, Jiang, J., Ni, F., 2023. Incorporating decision makers’ attitudes towards risk and opportunity into network-level pavement maintenance optimisation. International Journal of Pavement Engineering 24, 2164892. https://doi.org/10.1080/10298436.2023.2164892
46. Yaphary, Y.L., He, M., Lu, G. *, Zou, F., Liu, P., Tsang, D.C.W., Leng, Z.*, 2023. Experiment and multiscale molecular simulations on the Cu absorption by biochar-modified asphalt: An insight into removal capability and mechanism of heavy metals from stormwater runoff. Chemical Engineering Journal 462, 142205. https://doi.org/10.1016/j.cej.2023.142205
47. Yi, X., Dong, R., Shi, C., Yang, J.*, Leng, Z., 2023. The influence of the mass ratio of crumb rubber and waste cooking oil on the properties of rubberised bio-rejuvenator and rejuvenated asphalt. Road Materials and Pavement Design 24, 578–591. https://doi.org/10.1080/14680629.2022.2041070
48. Yu, X., Li, D., Leng, Z., Yao, H., Wang, S.*, 2023. Weathering characteristics of asphalt modified by hybrid of micro-nano tire rubber and SBS. Construction and Building Materials 389, 131785. https://doi.org/10.1016/j.conbuildmat.2023.131785
49. Cai, X., Leng, Z.*, Kumar Ashish, P., Yang, J., Gong, M., 2023. Quantitative analysis of the role of temperature in the mesoscale damage process of semi flexible pavement composite through finite element method. Theoretical and Applied Fracture Mechanics, 124, 103742. https://doi.org/10.1016/j.tafmec.2022.103742
50. Wang, S., Leng, Z.*, Sui, X., 2023. Detectability of Concealed Cracks in the Asphalt Pavement Layer Using Air-Coupled Ground-Penetrating Radar. Measurement, 112427. https://doi.org/10.1016/j.measurement.2022.112427
51. Wu, Y., Huang, P., Yu, Y., Shi, C., Chen, H., Wang, H., Yang, J.*, Leng, Z., Huang, W., 2023. Nonlinear rheological performance characterization of styrene-butadiene-styrene and crumb rubber composite modified bitumen using large amplitude oscillatory shear tests. Journal of Cleaner Production, 385, 135712. https://doi.org/10.1016/j.jclepro.2022.135712
52. Zhou, Y., Xu, G., Leng, Z., Kong, P., Wang, H., Yang, J.*, Qiu, W., Xu, Z., Chen, X.*, 2023. Investigation on storage stability and rheological properties of environment-friendly devulcanized rubber modified asphalt. Physics and Chemistry of the Earth, Parts A/B/C 129, 103332. https://doi.org/10.1016/j.pce.2022.103332
53. Xu, X., Chen, G., Wu, Q.*, Leng, Z.*, Chen, X., Zhai, Y., Tu, Y., Peng, C.* (2022). Chemical Upcycling of Waste Pet into Sustainable Asphalt Pavement Containing Recycled Concrete Aggregates: Insight into Moisture-Induced Damage, Construction and Building Materials, 360, 129632. https://doi.org/10.1016/j.conbuildmat.2022.129632.
54. Xu, X., Sreeram, A., Leng, Z.*, Yu, J.*, Li, R., Peng, C.* (2022). Challenges and opportunities in the high-quality rejuvenation of unmodified and SBS modified asphalt mixtures: State of the art. Journal of Cleaner Production, 378, 134634. https://doi.org/10.1016/j.jclepro.2022.134634
55. Wang, S., Leng, Z.*, Zhang, Z., Sui, X. (2022). Automatic asphalt layer interface detection and thickness determination from ground-penetrating radar data. Construction and Building Materials, 357, 129434. https://doi.org/10.1016/j.conbuildmat.2022.129434
56. Fang, C., Guo, N.*, Leng, Z.*, Jiang, J., Li, H., Lu, G., Wang, H. (2022). Kinetics-based fatigue damage investigation of asphalt mixture through residual strain analysis using indirect tensile fatigue test. Construction and Building Materials, 352, 128962. https://doi.org/10.1016/j.conbuildmat.2022.128962
57. Yang, B., Leng, Z.*, Jiang, J., He, Z., Li, D. (2022). Recovery efficiency of the damaged porous asphalt mixture with emulsion-based surface treatment: Material optimization and performance verification. Construction and Building Materials, 347, 128530. https://doi.org/10.1016/j.conbuildmat.2022.128530.
58. Jiang, J., Leng, Z.*, Yang, B., Lu, G., Tan, Z., Han, M., Dong, Z. (2022). Penetration mechanism of the emulsion-based rejuvenator in damaged porous asphalt mixture: Microstructure characterization and 3D reconstruction. Materials & Design, 221, 111014. https://doi.org/10.1016/j.matdes.2022.111014.
59. Li, D., Leng, Z.*, Zhang, S., Jiang, J., Yu, H., Wellner, F., and Leischner, S. (2022). Blending efficiency of reclaimed asphalt rubber pavement mixture and its correlation with cracking resistance. Resources, Conservation and Recycling, 185, 106506. https://doi.org/10.1016/j.resconrec.2022.106506.
60. Wang, S., Sui, X., Leng, Z.*, Jiang, J., and Lu, G. (2022). Asphalt pavement density measurement using non-destructive testing methods: current practices, challenges, and future vision. Construction and Building Materials, 344, 128154. https://doi.org/10.1016/j.conbuildmat.2022.128154
61. Yaphary, Y. L., Leng, Z.*. Wang, H., Ren, S., and Lu, G. (2022). Characterization of Nanoscale Cracking at the Interface between Virgin and Aged Asphalt Binders Based on Molecular Dynamics Simulations. Construction and Building Materials, 335, 127475. https://doi.org/10.1016/j.conbuildmat.2022.127475.
62. Li, R., Leng, Z.*, Li, G., Yang, B., and Lu, G. (2022). Effects of aging on rheological, chemical, and micromechanical properties of waterborne epoxy resin modified bitumen emulsion. International Journal of Pavement Engineering, 1–12. https://doi.org/10.1080/10298436.2022.2077943.
63. Wang, H.*, Zhang, H., Liu, X., Apostolidis, P., Erkens, S., Skarpas, A., Leng, Z., and Airey, G. (2022). Micromechanics-Based Viscoelasticity Predictions of Crumb Rubber Modified Bitumen Considering Polymer Network Effects. Transportation Research Record 03611981221088595. https://doi.org/10.1177/03611981221088595
64. Yao, L., Leng, Z.*, Jiang, J., and Ni, F. (2022). Large-Scale Maintenance and Rehabilitation Optimization for Multi-Lane Highway Asphalt Pavement: A Reinforcement Learning Approach. IEEE Transactions on Intelligent Transportation Systems, 1–12. https://doi.org/10.1109/TITS.2022.3161689.
65. Chen, Z., Leng, Z.*, Jiao, Y., Xu, F., Lin, J., Wang, H., Cai, J., Zhu, L., Zhang, Y., Feng, N., Dong, Y., and Zhang, Y. (2022). Innovative Use of Industrially Produced Steel Slag Powders in Asphalt Mixture to Replace Mineral Fillers. Journal of Cleaner Production, 344, 131124. https://doi.org/10.1016/j.jclepro.2022.131124.
66. Yi, X., Dong, R., Shi, C., Yang, J.*, and Leng, Z. (2022). The Influence of the Mass Ratio of Crumb Rubber and Waste Cooking Oil on the Properties of Rubberised Bio-Rejuvenator and Rejuvenated Asphalt, Road Materials and Pavement Design, 1–14. https://doi.org/10.1080/14680629.2022.2041070.
67. Zou, F., Leng, Z.*, Cao, R., Li, G., Zhang, Y., and Sreeram, A. (2022). Performance of Zeolite Synthesized from Sewage Sludge Ash as a Warm Mix Asphalt Additive, Resources, Conservation and Recycling, 181, 106254. https://doi.org/10.1016/j.resconrec.2022.106254.
68. Li, D., Leng, Z.*, Wang, H., Chen, R., and Wellner, F. (2022). Structural and Mechanical Evolution of the Multiphase Asphalt Rubber during Aging Based on Micromechanical Back-Calculation and Experimental Methods, Materials & Design, 110421. https://doi.org/10.1016/j.matdes.2022.110421.
69. Wang, H.*, Liu, X., Varveri, A., Zhang, H., Erkens, S., Skarpas, A., and Leng, Z. (2022) Thermal aging behaviors of the waste tire rubber used in bitumen modification. Progress in Rubber, Plastics and Recycling Technology, 38, 56–69. https://doi.org/10.1177/14777606211038951
70. Tan, Z., Leng, Z.*, Jiang, J., Cao, P., Jelagin, D., Li, G., and Sreeram, A. (2022). Numerical Study of the Aggregate Contact Effect on the Complex Modulus of Asphalt Concrete, Materials & Design, 213, 110342. https://doi.org/10.1016/j.matdes.2021.110342.
71. Yao, L., Leng, Z.*, Lan, J., Chen, R., and Jiang, J. (2022). Environmental and Economic Assessment of Collective Recycling Waste Plastic and Reclaimed Asphalt Pavement into Pavement Construction: A Case Study in Hong Kong, Journal of Cleaner Production, 336, 130405. https://doi.org/10.1016/j.jclepro.2022.130405.
72. Wang, H., Liu, X., Apostolidis, P., Wang, D., Leng, Z., Lu, G.*, Erkens, S., and Skarpas, A. (2021). Investigating the High- and Low-Temperature Performance of Warm Crumb Rubber–Modified Bituminous Binders Using Rheological Tests, Journal of Transportation Engineering, Part B: Pavements, 147 (4), 04021067. https://doi.org/10.1061/JPEODX.0000326.
73. Yao, L., Leng, Z.*, Jiang, J., and Ni, F. (2021). Modelling of Pavement Performance Evolution Considering Uncertainty and Interpretability: A Machine Learning Based Framework, International Journal of Pavement Engineering, 0 (0), 1–16. https://doi.org/10.1080/10298436.2021.2001814.
74. Li, R., Leng, Z.*, Wang, H., Partl, M. N., Yu, H., Tan, Z., and Raab, C. (2021). Microstructure Characterisation and Constitutive Modelling of Waterborne Epoxy Resin Modified Bitumen Emulsion, International Journal of Pavement Engineering 2021, 0 (0), 1–10. https://doi.org/10.1080/10298436.2021.1995604.
75. Shi, C., Cai, X., Wang, T., Yi, X., Liu, S., Yang, J.*, and Leng, Z. (2021). Energy-Based Characterization of the Fatigue Crack Density Evolution of Asphalt Binders through Controlled-Stress Fatigue Testing, Construction and Building Materials, 300, 124275. https://doi.org/10.1016/j.conbuildmat.2021.124275
76. Lu, D., Wang, Y., Leng, Z.*, and Zhong, J.* (2021). Influence of ternary blended cementitious fillers in a cold mix asphalt mixture, Journal of Cleaner Production, 128421. https://doi.org/10.1016/j.jclepro.2021.128421.
77. Leng, Z.*, Tan, Z., Cao, P., and Zhang, Y., (2021). An efficient model for predicting the dynamic performance of fine aggregate matrix, Computer-Aided Civil and Infrastructure Engineering. https://doi.org/10.1111/mice.12706.
78. Li, R., Leng, Z.*, Yang, J., Lu, G., Huang, M., Lan, J., Zhang, H., Bai, Y., and Dong, Z. (2021). Innovative application of waste polyethylene terephthalate (PET) derived additive as an antistripping agent for asphalt mixture: Experimental investigation and molecular dynamics simulation. Fuel, 300, 121015. https://doi.org/10.1016/j.fuel.2021.121015
79. Alae, M., Leng, Z., Zhao, Y.*, Fu, G., (2021). Viscoelastic analysis of surface responses in flexible pavements under different loading conditions. Road Materials and Pavement Design, 1–23. https://doi.org/10.1080/14680629.2021.1963816
80. Alae, M., Zhao, Y.*, Leng, Z., (2021). Effects of ageing, temperature and frequency-dependent properties of asphalt concrete on top-down cracking. Road Materials and Pavement Design 22, 2289–2309. https://doi.org/10.1080/14680629.2020.1753099
81. Dong, Z., Quan, W., Ma, X.*, Cao, L., Zhang, H., and Leng, Z. (2021). Wave Propagation Approach for Elastic Transient Responses of Transversely Isotropic Asphalt Pavement under an Impact Load: A Semianalytical Solution. Journal of Transportation Engineering, Part B: Pavements, 147(3), 04021021. https://doi.org/10.1061/JPEODX.0000271
82. Yao, L., Leng, Z.*, Jiang, J., Ni, F., and Zhao, Z. (2021). Nondestructive prediction of rutting resistance of in-service middle asphalt layer based on gene expression programing. Construction and Building Materials, 293, 123481. https://doi.org/10.1016/j.conbuildmat.2021.123481
83. Jitsangiam, P.*, Nusit, K., Nikraz, H., Leng, Z., Prommarin, J., and Chindaprasirt, P. (2021). Dense-Graded Hot Mix Asphalt with 100% Recycled Concrete Aggregate Based on Thermal-Mechanical Surface Treatment. Journal of Materials in Civil Engineering, 33(7), 04021156. https://doi.org/10.1061/(ASCE)MT.1943-5533.0003805
84. Xu, X., Leng, Z.*, Wang, S., Lan, J., Li, R., Tan, Z., Sreeram, A., (2022). Rubber-Bitumen Interaction of Plant- Blended Rubberized Bitumen Prepared under Various Blending Conditions. J. Test. Eval., 50, 951–966. https://doi.org/10.1520/JTE20210206
85. Li, D., Leng, Z.*, Zou, F., and Yu, H. (2021). Effects of rubber absorption on the aging resistance of hot and warm asphalt rubber binders prepared with waste tire rubber. Journal of Cleaner Production, 303, 127082. https://doi.org/10.1016/j.jclepro.2021.127082
86. Lu, Q.*, and Leng, Z. (2021). Reducing environmental impacts of pavement. Transportation Research Part D: Transport and Environment, 95, 102858. https://doi.org/10.1016/j.trd.2021.102858
87. Lu, G., He, Y., Leng, Z., Wang, D.*, Hong, B., Xiong, J., Wei, J., Oeser, M., (2021). Comparison of the Polishing Resistances of Concrete Pavement Surface Textures Prepared with Different Technologies Using the Aachen Polishing Machine. Journal of Materials in Civil Engineering, 33, 04021226. https://doi.org/10.1061/(ASCE)MT.1943-5533.0003884
88. Wang, H.*, Zhang, H., Liu, X., Skarpas, A., Erkens, S., and Leng, Z. (2021). Micromechanics-based complex modulus prediction of crumb rubber modified bitumen considering interparticle interactions. Road Materials and Pavement Design, 22(sup1), S251–S268. https://doi.org/10.1080/14680629.2021.1899965
89. Guo, F., Qian, Y.*, Wu, Y., Leng, Z., and Yu, H. (2021). Automatic railroad track components inspection using real-time instance segmentation. Computer-Aided Civil and Infrastructure Engineering, 36(3), 362–377. https://doi.org/10.1111/mice.12625
90. Yang, S.*, Jiang, J., Leng, Z., and Ni, F. (2021). Feasibility and performance of the Semi-circular Bending test in evaluating the low-temperature performance of asphalt mortar. Construction and Building Materials, 269, 121305. https://doi.org/10.1016/j.conbuildmat.2020.121305
91. Li, R., Leng, Z.*, Partl, M. N., and Raab, C. (2021). Characterization and modelling of creep and recovery behaviour of waterborne epoxy resin modified bitumen emulsion. Materials and Structures, 54(1), 8. https://doi.org/10.1617/s11527-020-01594-6
92. Yu, H., Zhu, Z., Leng, Z., Wu, C., Zhang, Z.*, Wang, D., and Oeser, M. (2020). Effect of mixing sequence on asphalt mixtures containing waste tire rubber and warm mix surfactants. Journal of Cleaner Production, 246, 119008. https://doi.org/10.1016/j.jclepro.2019.119008
93. Yu, H., Leng, Z., Zhang, Z., Li, D.*, and Zhang, J. (2020). Selective absorption of swelling rubber in hot and warm asphalt binder fractions. Construction and Building Materials, 238, 117727. https://doi.org/10.1016/j.conbuildmat.2019.117727
94. Yan, J., Leng, Z.*, Ling, C., Zhu, J., and Zhou, L. (2020). Characterization and comparison of high-modulus asphalt mixtures produced with different methods. Construction and Building Materials, 237, 117594. https://doi.org/10.1016/j.conbuildmat.2019.117594
95. Xu, X., Leng, Z.*, Lan, J., Wang, W., Yu, J., Bai, Y., Sreeram, A., and Hu, J. (2020). Sustainable Practice in Pavement Engineering through Value-Added Collective Recycling of Waste Plastic and Waste Tyre Rubber. Engineering. https://doi.org/10.1016/j.eng.2020.08.020
96. Xu, H.*, Shi, H., Zhang, H., Li, H., Leng, Z., and Tan, Y. (2020). Evolution of dynamic flow behavior in asphalt mixtures exposed to freeze-thaw cycles. Construction and Building Materials, 255, 119320. https://doi.org/10.1016/j.conbuildmat.2020.119320
97. Wu, Y., Cao, P.*, Shi, F., Liu, K., Wang, X., Leng, Z., Tan, Z., and Zhou, C. (2020). Modeling of the Complex Modulus of Asphalt Mastic with Biochar Filler Based on the Homogenization and Random Aggregate Distribution Methods. Advances in Materials Science and Engineering, 2020, e2317420. https://doi.org/10.1155/2020/2317420
98. Sreeram, A., Leng, Z.*, Hajj, R., Ferreira, W. L. G., Tan, Z., and Bhasin, A. (2020). Fundamental investigation of the interaction mechanism between new and aged binders in binder blends. International Journal of Pavement Engineering, 0(0), 1–11. https://doi.org/10.1080/10298436.2020.1799208
99. Qian, Y., Guo, F., Leng, Z.*, Zhang, Y., and Yu, H. (2020). Simulation of the field aging of asphalt binders in different reclaimed asphalt pavement (RAP) materials in Hong Kong through laboratory tests. Construction and Building Materials, 265, 120651. https://doi.org/10.1016/j.conbuildmat.2020.120651
100. Padhan, R. K., Leng, Z.*, Sreeram, A., and Xu, X. (2020). Compound modification of asphalt with styrene-butadiene-styrene and waste polyethylene terephthalate functionalized additives. Journal of Cleaner Production, 277, 124286. https://doi.org/10.1016/j.jclepro.2020.124286
101. Ma, X.*, Leng, Z., Wang, L., and Zhou, P. (2020). Effect of Reclaimed Asphalt Pavement Heating Temperature on the Compactability of Recycled Hot Mix Asphalt. Materials, 13(16), 3621. https://doi.org/10.3390/ma13163621
102. Lu, G., Fan, Z., Sun, Z., Liu, P., Leng, Z.*, Wang, D., and Oeser, M. (2020). Improving the polishing resistance of cement mortar by using recycled ceramic. Resources, Conservation and Recycling, 158, 104796. https://doi.org/10.1016/j.resconrec.2020.104796
103. Li, R., Leng, Z.*, Wang, Y., and Zou, F. (2020). Characterization and correlation analysis of mechanical properties and electrical resistance of asphalt emulsion cold-mix asphalt. Construction and Building Materials, 263, 119974. https://doi.org/10.1016/j.conbuildmat.2020.119974
104. Hu, C., Li, R., Zhao, J., Leng, Z.*, and Lin, W. (2020). Performance of Waterborne Epoxy Emulsion Sand Fog Seal as a Preventive Pavement Maintenance Method: From Laboratory to Field. Advances in Materials Science and Engineering, e6425817. https://doi.org/10.1155/2020/6425817
105. Dong, Z., Wang, T., Ma, X., Cao, C., Kong, F., and Leng, Z. (2020). Dynamic Response Analysis of Airport Asphalt Pavement Subjected to High-Temperature Jet Wake Based on Finite Element Simulation. Journal of Testing and Evaluation, 48(3), 1876–1892. https://doi.org/10.1520/JTE20190650
106. Cao, R., Leng, Z.*, Yu, J., and Hsu, S.-C. (2020). Multi-objective optimization for maintaining low-noise pavement network system in Hong Kong. Transportation Research Part D: Transport and Environment, 88, 102573. https://doi.org/10.1016/j.trd.2020.102573
107. Cao, R., Leng, Z.*, Hsu, S.-C., and Hung, W.-T. (2020). Modelling of the pavement acoustic longevity in Hong Kong through machine learning techniques. Transportation Research Part D: Transport and Environment, 83, 102366. https://doi.org/10.1016/j.trd.2020.102366
108. Cao, P., Leng, Z.*, Shi, F., Zhou, C., Tan, Z., and Wang, Z. (2020). A novel visco-elastic damage model for asphalt concrete and its numerical implementation. Construction and Building Materials, 264, 120261. https://doi.org/10.1016/j.conbuildmat.2020.120261
109. Sreeram, A., Leng, Z.*, Hajj, R., and Bhasin, A. (2019). Characterization of compatibility between aged and unaged binders in bituminous mixtures through an extended HSP model of solubility. Fuel, 254, 115578. https://doi.org/10.1016/j.fuel.2019.05.161
110. Sreeram, A., and Leng, Z.* (2019). Variability of rap binder mobilisation in hot mix asphalt mixtures. Construction and Building Materials, 201, 502–509. https://doi.org/10.1016/j.conbuildmat.2018.12.212
111. Li, R., Leng, Z.*, Zhang, Y., and Ma, X. (2019). Preparation and characterization of waterborne epoxy modified bitumen emulsion as a potential high-performance cold binder. Journal of Cleaner Production, 235, 1265–1275. https://doi.org/10.1016/j.jclepro.2019.06.267
112. Leng, Z.*, Tan, Z., Yu, H., and Guo, J. (2019). Improvement of storage stability of SBS-modified asphalt with nanoclay using a new mixing method. Road Materials and Pavement Design, 20(7), 1601–1614. https://doi.org/10.1080/14680629.2018.1465842
113. Hu, C., Zhao, J., Leng, Z.*, Partl, M. N., and Li, R. (2019). Laboratory evaluation of waterborne epoxy bitumen emulsion for pavement preventative maintenance application. Construction and Building Materials, 197, 220–227. https://doi.org/10.1016/j.conbuildmat.2018.11.223
114. Dong, Z.*, Zhou, T., Luan, H., Williams, R. C., Wang, P., and Leng, Z. (2019). Composite modification mechanism of blended bio-asphalt combining styrene-butadiene-styrene with crumb rubber: A sustainable and environmental-friendly solution for wastes. Journal of Cleaner Production, 214, 593–605. https://doi.org/10.1016/j.jclepro.2019.01.004
115. Cao, R., Leng, Z.*, Yu, H., and Hsu, S.-C. (2019). Comparative life cycle assessment of warm mix technologies in asphalt rubber pavements with uncertainty analysis. Resources, Conservation and Recycling, 147, 137–144. https://doi.org/10.1016/j.resconrec.2019.04.031
116. Cao, R., Leng, Z.*, and Hsu, S.-C. (2019). Comparative eco-efficiency analysis on asphalt pavement rehabilitation alternatives: Hot in-place recycling and milling-and-filling. Journal of Cleaner Production, 210, 1385–1395. https://doi.org/10.1016/j.jclepro.2018.11.122
117. Zhong, R., Leng, Z.*, and Poon, C. (2018). Research and application of pervious concrete as a sustainable pavement material: A state-of-the-art and state-of-the-practice review. Construction and Building Materials, 183, 544–553. https://doi.org/10.1016/j.conbuildmat.2018.06.131
118. Zhang, Y., Leng, Z.*, Zou, F., Wang, L., Chen, S. S., and Tsang, D. C. W. (2018). Synthesis of zeolite A using sewage sludge ash for application in warm mix asphalt. Journal of Cleaner Production, 172, 686–695. https://doi.org/10.1016/j.jclepro.2017.10.005
119. Zhang, Y., Leng, Z.*, Dong, Z., Liu, Z., Zhang, Z., and Tan, Z. (2018). Performance verification of various bulk density measurement methods for open- and gap-graded asphalt mixtures using X-ray computed tomography. Construction and Building Materials, 158, 855–863. https://doi.org/10.1016/j.conbuildmat.2017.10.090
120. Yu, H., Leng, Z.*, Dong, Z., Tan, Z., Guo, F., and Yan, J. (2018). Workability and mechanical property characterization of asphalt rubber mixtures modified with various warm mix asphalt additives. Construction and Building Materials, 175, 392–401. https://doi.org/10.1016/j.conbuildmat.2018.04.218
121. Wang, Y., Leng, Z.*, Li, X., and Hu, C. (2018). Cold recycling of reclaimed asphalt pavement towards improved engineering performance. Journal of Cleaner Production, 171, 1031–1038. https://doi.org/10.1016/j.jclepro.2017.10.132
122. Wang, L., Zou, F., Fang, X., Tsang, D. C. W.*, Poon, C. S., Leng, Z., and Baek, K. (2018). A novel type of controlled low strength material derived from alum sludge and green materials. Construction and Building Materials, 165, 792–800. https://doi.org/10.1016/j.conbuildmat.2018.01.078
123. Wang, D., Li, D., Yan, J., Leng, Z., Wu, Y., Yu, J., and Yu, H.* (2018). Rheological and chemical characteristic of warm asphalt rubber binders and their liquid phases. Construction and Building Materials, 193, 547–556. https://doi.org/10.1016/j.conbuildmat.2018.10.199
124. Sreeram, A., Leng, Z.*, Zhang, Y., and Padhan, R. K. (2018). Evaluation of RAP binder mobilisation and blending efficiency in bituminous mixtures: An approach using ATR-FTIR and artificial aggregate. Construction and Building Materials, 179, 245–253. https://doi.org/10.1016/j.conbuildmat.2018.05.154
125. Leng, Z.*, Zhang, Z., Zhang, Y., Wang, Y., Yu, H., and Ling, T. (2018). Laboratory evaluation of electromagnetic density gauges for hot-mix asphalt mixture density measurement. Construction and Building Materials, 158, 1055–1064. https://doi.org/10.1016/j.conbuildmat.2017.09.186
126. Leng, Z.*, Yu, H., and Gao, Z. (2018). Study on air-purifying performance of asphalt mixture specimens coated with titanium dioxide using different methods. International Journal of Pavement Research and Technology. Retrieved from https://trid.trb.org/view/1541131
127. Leng, Z.*, Sreeram, A., Padhan, R. K., and Tan, Z. (2018). Value-added application of waste PET based additives in bituminous mixtures containing high percentage of reclaimed asphalt pavement (RAP). Journal of Cleaner Production, 196, 615–625. https://doi.org/10.1016/j.jclepro.2018.06.119
128. Liu, W.*, Zhou, H., Wang, B., Zhao, Y., Leng, Z., Chen, X., Li, L., Wang, S., Chen, Z., (2018). A subgrade cracking monitoring sensor based on optical fiber sensing technique. Structural Control and Health Monitoring, 25, e2213. https://doi.org/10.1002/stc.2213
129. Leng, Z.*, Padhan, R. K., and Sreeram, A. (2018). Production of a sustainable paving material through chemical recycling of waste PET into crumb rubber modified asphalt. Journal of Cleaner Production, 180, 682–688. https://doi.org/10.1016/j.jclepro.2018.01.171
130. Leng, Z.*, Al-Qadi, I. L., and Cao, R. (2018). Life-cycle economic and environmental assessment of warm stone mastic asphalt. Transportmetrica A: Transport Science, 14(7), 562–575. https://doi.org/10.1080/23249935.2017.1390707
131. Zhang, Y., and Leng, Z.* (2017). Quantification of bituminous mortar ageing and its application in ravelling evaluation of porous asphalt wearing courses. Materials & Design, 119, 1–11. https://doi.org/10.1016/j.matdes.2017.01.052
132. Yu, H., Leng, Z.*, Zhou, Z., Shih, K., Xiao, F., and Gao, Z. (2017). Optimization of preparation procedure of liquid warm mix additive modified asphalt rubber. Journal of Cleaner Production, 141, 336–345. https://doi.org/10.1016/j.jclepro.2016.09.043
133. Yan, J., Leng, Z.*, Li, F., Zhu, H., and Bao, S. (2017). Early-age strength and long-term performance of asphalt emulsion cold recycled mixes with various cement contents. Construction and Building Materials, 137, 153–159. https://doi.org/10.1016/j.conbuildmat.2017.01.114
134. Wang, D., Schacht, A., Leng, Z.*, Leng, C., Kollmann, J., and Oeser, M. (2017). Effects of material composition on mechanical and acoustic performance of poroelastic road surface (PERS). Construction and Building Materials, 135, 352–360. https://doi.org/10.1016/j.conbuildmat.2016.12.207
135. Wang, D.*, Liu, P., Leng, Z.*, Leng, C., Lu, G., Buch, M., and Oeser, M. (2017). Suitability of PoroElastic Road Surface (PERS) for urban roads in cold regions: Mechanical and functional performance assessment. Journal of Cleaner Production, 165, 1340–1350. https://doi.org/10.1016/j.jclepro.2017.07.228
136. Wang, D., Leng, Z.*, Yu, H., Hüben, M., Kollmann, J., and Oeser, M. (2017). Durability of epoxy-bonded TiO2-modified aggregate as a photocatalytic coating layer for asphalt pavement under vehicle tire polishing. Wear, 382–383, 1–7. https://doi.org/10.1016/j.wear.2017.04.004
137. Leng, Z.*, Yu, H., Zhang, Z., and Tan, Z. (2017). Optimizing the mixing procedure of warm asphalt rubber with wax-based additives through mechanism investigation and performance characterization. Construction and Building Materials, 144, 291–299. https://doi.org/10.1016/j.conbuildmat.2017.03.208
138. Hu, C.*, Ma, J., Zhao, J., Leng, Z., and Jelagin, D. (2017). Experimental Study of Dowel Bar Alternatives Based on Similarity Model Test. Advances in Materials Science and Engineering, 2017, e3981908. https://doi.org/10.1155/2017/3981908
139. Yu, H., Leng, Z.*, Xiao, F., and Gao, Z. (2016). Rheological and chemical characteristics of rubberized binders with non-foaming warm mix additives. Construction and Building Materials, 111, 671–678. https://doi.org/10.1016/j.conbuildmat.2016.02.066
140. Yu, H., Leng, Z.*, and Gao, Z. (2016). Thermal analysis on the component interaction of asphalt binders modified with crumb rubber and warm mix additives. Construction and Building Materials, 125, 168–174. https://doi.org/10.1016/j.conbuildmat.2016.08.032
141. Wang, D., Leng, Z.*, Hüben, M., Oeser, M., and Steinauer, B. (2016). Photocatalytic pavements with epoxy-bonded TiO2-containing spreading material. Construction and Building Materials, 107, 44–51. https://doi.org/10.1016/j.conbuildmat.2015.12.164
142. Lin, S.*, Hung, W., Leng, Z., 2016. Air pollutant emissions and acoustic performance of hot mix asphalts. Construction and Building Materials 129, 1–10. https://doi.org/10.1016/j.conbuildmat.2016.11.013
143. Leng, Z.*, and Yu, H. (2016). Novel Method of Coating Titanium Dioxide on to Asphalt Mixture Based on the Breath Figure Process for Air-Purifying Purpose. Journal of Materials in Civil Engineering, 28(5), 04015188. https://doi.org/10.1061/(ASCE)MT.1943-5533.0001478
144. Wang, Y.*, Leng, Z., Wang, G., (2014). Structural contribution of open-graded friction course mixes in mechanistic–empirical pavement design. International Journal of Pavement Engineering 15, 731–741. https://doi.org/10.1080/10298436.2013.857776
145. Yu, X., Leng, Z.*, and Wei, T. (2014). Investigation of the Rheological Modification Mechanism of Warm-Mix Additives on Crumb-Rubber-Modified Asphalt. Journal of Materials in Civil Engineering, 26(2), 312–319. https://doi.org/10.1061/(ASCE)MT.1943-5533.0000808
146. Yu, X., Leng, Z.*, Wang, Y., and Lin, S. (2014). Characterization of the effect of foaming water content on the performance of foamed crumb rubber modified asphalt. Construction and Building Materials, 67, 279–284. https://doi.org/10.1016/j.conbuildmat.2014.03.046
147. Leng, Z.*, Gamez, A., and Al-Qadi, I. L. (2014). Mechanical Property Characterization of Warm-Mix Asphalt Prepared with Chemical Additives. Journal of Materials in Civil Engineering, 26(2), 304–311. https://doi.org/10.1061/(ASCE)MT.1943-5533.0000810
148. Leng, Z.*, and Al-Qadi, I. L. (2014). An innovative method for measuring pavement dielectric constant using the extended CMP method with two air-coupled GPR systems. NDT & E International, 66, 90–98. https://doi.org/10.1016/j.ndteint.2014.05.002
149. Shangguan, P.*, Al-Qadi, I. L., Leng, Z., Schmitt, R. L., and Faheem, A. (2013). Innovative Approach for Asphalt Pavement Compaction Monitoring with Ground-Penetrating Radar. Transportation Research Record, 2347(1), 79–87. https://doi.org/10.3141/2347-09
150. Salinas, A.*, Al-Qadi, I. L., Hasiba, K. I., Ozer, H., Leng, Z., and Parish, D. C. (2013). Interface Layer Tack Coat Optimization. Transportation Research Record, 2372(1), 53–60. https://doi.org/10.3141/2372-07
151. Feng, D.*, Xie, N.*, Gong, C., Leng, Z., Xiao, H., Li, H., and Shi, X. (2013). Portland Cement Paste Modified by TiO2 Nanoparticles: A Microstructure Perspective. Industrial & Engineering Chemistry Research, 52(33), 11575–11582. https://doi.org/10.1021/ie4011595
152. Shangguan, P.*, Al-Qadi, I. L., and Leng, Z. (2012). Ground-Penetrating Radar Data to Develop Wavelet Technique for Quantifying Railroad Ballast–Fouling Conditions. Transportation Research Record, 2289(1), 95–102. https://doi.org/10.3141/2289-13
153. Leng, Z.*, Al-Qadi, I. L., Shangguan, P., and Son, S. (2012). Field Application of Ground-Penetrating Radar for Measurement of Asphalt Mixture Density: Case Study of Illinois Route 72 Overlay. Transportation Research Record, 2304(1), 133–141. https://doi.org/10.3141/2304-15
154. Ozer, H.*, Al-Qadi, I.L., Wang, H., Leng, Z., (2012). Characterisation of interface bonding between hot-mix asphalt overlay and concrete pavements: modelling and in-situ response to accelerated loading. International Journal of Pavement Engineering 13, 181–196. https://doi.org/10.1080/10298436.2011.596935
155. Al-Qadi, I. L.*, Wang, H., Baek, J., Leng, Z., Doyen, M., and Gillen, S. (2012). Effects of Curing Time and Reheating on Performance of Warm Stone-Matrix Asphalt. Journal of Materials in Civil Engineering, 24(11), 1422–1428. https://doi.org/10.1061/(ASCE)MT.1943-5533.0000513
156. Al-Qadi, I. L.*, Leng, Z., Baek, J., Wang, H., Doyen, M., and Gillen, S. L. (2012). Short-Term Performance of Plant-Mixed Warm Stone Mastic Asphalt: Laboratory Testing and Field Evaluation. Transportation Research Record, 2306(1), 86–94. https://doi.org/10.3141/2306-10
157. Leng, Z.*, Al-Qadi, I. L., and Lahouar, S. (2011). Development and validation for in situ asphalt mixture density prediction models. NDT & E International, 44(4), 369–375. https://doi.org/10.1016/j.ndteint.2011.03.002
158. Leng, Z.*, and Al-Qadi, I. L. (2010). Railroad Ballast Evaluation Using Ground-Penetrating Radar: Laboratory Investigation and Field Validation. Transportation Research Record, 2159(1), 110–117. https://doi.org/10.3141/2159-14
159. Al-Qadi, I. L.*, Xie, W., Roberts, R., and Leng, Z. (2010). Data Analysis Techniques for GPR Used for Assessing Railroad Ballast in High Radio-Frequency Environment. Journal of Transportation Engineering, 136(4), 392–399. https://doi.org/10.1061/(ASCE)TE.1943-5436.0000088
160. Al-Qadi, I.*, Leng, Z., Lahouar, S., and Baek, J. (2010). In-Place Hot-Mix Asphalt Density Estimation Using Ground-Penetrating Radar. Transportation Research Record, 2152(1), 19–27. https://doi.org/10.3141/2152-03
161. Leng, Z.*, Al-Qadi, I. L., Carpenter, S. H., and Ozer, H. (2009). Interface Bonding between Hot-Mix Asphalt and various Portland Cement Concrete Surfaces: Assessment of Accelerated Pavement Testing and Measurement of Interface Strain. Transportation Research Record, 2127(1), 20–28. https://doi.org/10.3141/2127-03
162. Ozer, H.*, Al-Qadi, I. L., and Leng, Z. (2008). Fracture-Based Friction Model for Pavement Interface Characterization. Transportation Research Record, 2057(1), 54–63. https://doi.org/10.3141/2057-07
163. Leng, Z.*, Ozer, H., Al-Qadi, I. L., and Carpenter, S. H. (2008). Interface Bonding between Hot-Mix Asphalt and Various Portland Cement Concrete Surfaces: Laboratory Assessment. Transportation Research Record, 2057(1), 46–53. https://doi.org/10.3141/2057-06