ZL Research Group

Welcome to Dr. Zhen Leng's Research Group

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External Research Grant in the Capacity of PI

Competitive and Peer-Reviewed Research Grants

1.       Hong Kong Government: Research Grant Council General Research Fund, 01/2023-12/2025, Characterization of the Interaction between Asphalt Emulsion and Cementitious Grout in Cold-mix Semi-flexible Grouted Macadam towards a Sustainable Heavy-duty Paving Material, HK$1,184,720

2.       Hong Kong Government: Research Grant Council General Research Fund, 01/2022-12/2024, Multiphysics and Multiscale Study of Water Migration and Performance Evolution Mechanism of Bitumen Emulsion Cold In-Place Recycled Mixture  External, Received in 2019/2020, HK$1,139,146

3.       Hong Kong Government: RGC Germany/HK Joint Research Scheme, 01/2021-12/2022 Aging and Recycling Mechanisms of Sustainable Asphalt Rubber Pavements, HK$89,600

4.       Hong Kong Government: Research Grant Council General Research Fund, 01/2021-12/2023, Multiscale Characterization of the Short-term and Long-term Interaction between Surface-treatment Emulsion and Porous Asphalt (PA) Mixture towards More Durable PA Road Surfaces,       HK$898,000

5.       Henan Provincial Department of Transportation Science and Technology Fund, 10/2020-12/2022, Research and Application of Functionalized Additive for Asphalt Based on Aminolysis of Waste Plastic (2020J6), RMB 600,000

6.       Hong Kong Government: Innovation and Technology Fund: Guangdong-Hong Kong Technology Cooperation Funding Scheme, Green Low-noise Skid-resistant Coating Layers for Flexible Pavements Using Water-Borne Epoxy Modified Asphalt Emulsion, HK$999,300

7.       Hong Kong Government: Environment and Conservation Fund (ECF), 02/2018 – 02/2020, Co-Is: Prof. C.S. Poon & Dr. C.W. Tsang, An Eco-friendly Approach to Recycle Waste Plastic and Waste Tyre Rubber Collectively into Sustainable Asphalt Pavements, HK$1,283,240

8.       The Royal Society – International Exchanges Scheme (Kan Tong Po Visiting Fellowships Programme), 12/2017 – 03/2018     , Feasibility Study of Producing Renewable Bitumen from Waste Tyre Rubber and Waste Plastic through Pyrolysis  , £2,922.00

9.       Hong Kong Government: RGC Germany/HK Joint Research Scheme, 01/2016 – 12/2017, Sustainable Treatment of Asphalt Pavement Surface with TiO2-Containing Materials for Cleaner Air and Alleviated Urban Heat Island Effect  External, HK$89,600

10.    Hong Kong Government: Environment and Conservation Fund (ECF), 07/2016 – 07/2018, Co-I: Dr. Daniel Tsang      Feasibility of Building Warm Mix Asphalt Pavements Using Synthetic Zeolite Derived from Sewage Sludge Ash      External, HK$1,060,240

11.    Hong Kong Government: RGC General Research Fund (GRF), 01/2016-12/2018, Microscopic Analysis of the Interaction Mechanism between Virgin and Aged Asphalt Binders in Warm Mixtures, HK$695,788

12.    Hong Kong Government: Construction Industry Council (CIC), 03/2015 – 09/2017, Quality Control and Quality Assurance of Asphalt Pavement Construction Using Innovative Nondestructive Methods, HK$778,504

13.    Hong Kong Government: RGC Early Career Scheme (ECS), 01/2014 – 12/2016, Compound Modification of Asphalt Mixtures with Crumb Rubber and Warm-mix Additives for Low-Noise, Low-Emission and Durability Purposes, HK$620,100


Government/Industry Collaborative Consultancy Projects

1.     Hong Kong Government: Environmental Protection Department, 09/2022 – 08/2024, Provision of Service for Measuring the Tyre/Road Surface Noise and Roadside Traffic Noise in Hong Kong, HK$1,130,000

2.     Industry: Hongkong International Terminals Limited, 12/2021-11/2022, Tests for Heavy Duty Asphalt Pavement, HK$216,000

3.     Hong Kong Government: Environmental Protection Department, 09/2021 – 09/2023, Provision of Services for Measuring the Tyre/Road Surface Noise and Roadside Traffic Noise in Hong Kong Study on the Noise Performance of Different Pavement Materials in Hong KonG, HK$1,130,000

4.     Hong Kong Government: Highways Department, 08/2021 – 07/2022, Collaboration Study on Enhancement of Bonding for Anti-Skid Surface Dressing over Concrete and Asphalt Pavement, HK$675,800

5.     Hong Kong Government: Highways Department, 01/2021 – 01/2023, Collaboration Study on Application of 6mm Highly Modified Stone Mastic Asphalt (HMSMA6) as Low Noise Road Surfacing in the Hong Kong Road Network, HK$1,396,535

6.     Industry: Highways Technology Limited, 11/2020 – 05/2021, Rheological Characterization and Analysis of the Properties of A New Paving Bitumen , HK$10,000

7.     Hong Kong Government: Highways Department, 03/2020 – 10/2020, Finite Element Numerical Modeling for Investigating the Behaviour of Asphalt Layer on Concrete Base, HK$ 598,000

8.     Hong Kong Government: Highways Department, 11/2019 – 04/2020, Evaluation on Viscosity of Highly Modified Asphalt Binder at Different Temperatures, HK$ 320,000

9.     Hong Kong Government: Environmental Protection Department, 10/2019 – 10/2021, Provision of Service for Measuring the Tyre/Road Surface Noise and Roadside Traffic Noise in Hong Kong, HK$810,000

10.   Hong Kong Government: Highways Department, 10/2019 – 03/2021, Determination of Properties of Highly Modified Bitumen Samples, HK$ 993,300

11.   Hong Kong Government: Highways Department, 10/2019 – 12/2021, Study on Noise Reduction Performance of Highly Modified Friction Course at Trial Road Sections, HK$1,063,887

12.   Hong Kong Government: Highways Department, 07/2019 – 05/2020, Study on Enhancement for Application of Hot-in-place Recycling (HIR) by Thermal Patcher, HK$ 398,000

13.   Hong Kong Government: Highways Department, 11/2018 – 11/2019, Feasibility of Incorporating Reclaimed Rubberized Bituminous Pavements to the New Rubberized Bituminous Pavement Materials, HK$1,392,920

14.   Hong Kong Government: Highways Department, 07/2018 – 07/2020, Study on Noise Reduction Performance of Highly Modified Friction Course at Trial Road Sections, HK$222,200

15.   Hong Kong Government: Highways Department, 05/2018 – 11/2019, Co-I: Dr. L.W. Cheung, Collaboration Study on the Use of Rubberized Bituminous Pavement Materials in Hong Kong Road Network, HK$1,397,100

16.   Hong Kong Government: Environmental Protection Department, 01/2017 – 01/2018, Co-Is: Dr. L.W. Cheung & Dr. W.T. Hung, Review of Traffic Noise Reduction Techniques on Concrete Road Surfaces, HK$747,500

17.   Hong Kong Government: Environmental Protection Department, 02/2017 – 01/2019, Co-Is: Dr. W.T. Hung & Dr. L.W. Cheung, Review of Using Rubberized Asphalt as a Road Surfacing Material in Hong Kong, HK$314,175

18.   Hong Kong Government: Environmental Protection Department, 09/2016 – 08/2018, Co-Is: Dr. W.T. Hung, Measuring the Tyre/Road Surface Noise in Hong Kong, HK$850,000

19.   Hong Kong Government: Highways Department, 11/2016 – 06/2018, Co-I: Dr. L.W. Cheung, Collaboration Study on Evaluating the Performance of PMSMA6, HK$1,216,540

20.   Hong Kong Government: Highways Department, 04/2016 – 10/2017, Co-I: Dr. L.W. Cheung, Collaboration Study on Incorporating High Reclaimed Asphalt Pavement (RAP) Content (above 30%) in Bituminous, HK$1,380,600

21.   Hong Kong Government: Highways Department, 12/2014 – 12/2017, Co-I: Dr. L.W. Cheung, Collaboration Study on Application of Highly Modified Asphalt in Hong Kong Road Network, HK$1,256,209

22.   Hong Kong Government: Highways Department, 03/2014 – 08/2014, Co-I: Dr. L.W. Cheung, Collaboration Study on Bituminous Pavement Deep Inlay Practice , HK$876,200

23.   Hong Kong Government: Highways Department, 03/2014 – 09/2014, Co-I: Dr. L.W. Cheung, Collaboration Study on Evaluation of Engineering Performance of Porous Asphalt Pavement in Shenzhen, HK$193,999

24.   Hong Kong Government: Highways Department, 03/2014 – 09/2014, Co-I: Dr. L.W. Cheung, Collaboration Research on Method for Measuring SMA Specific Gravity to Determine Its Air Void Content, HK$412,801


Donation-based Research Projects

1.     Hong Kong Asphalt (Green) Ltd. 04/2021 – 04/2026, Sustainable Paving Materials, HK$1,000,000

2.     BS (Int’l) Automobile Technology Company Ltd. 07/2022 – 07/2025, Pavement Non-destructive Inspection, HK$1,000,000

 

External Research Grant in the Capacity of Co-PI

1.     Hong Kong Government: Innovation and Technology Support Programme, 01/2023-01/2025, PI: Dr. Wallace Lai (PolyU), Next-generation Imaging Technologies of Rapid Leakage Diagnosis of Underground High-Pressure and Large Water Mains in Carriageway, External, competitive, peer-reviewed, HK$15,524,000

2.     Hong Kong Government: Research Grant Council General Research Fund, 01/2022-12/2024, PI: Dr. G. Lu, Multiscale Chemo-Physico-Mechanical Characterization on the Modification Mechanism of Polyurethane Modified Porous Asphalt towards Enhanced Moisture Damage Resistance, HK$963,000

3.     Hong Kong Government: Environment and Conservation Fund (ECF), 07/2021 – 06/2023, PI: Prof. T. Yu,Lightweight multifunctional noise barriers/noise enclosures incorporating smart fibre-reinforced polymer (FRP) composites, HK$1,100,000

4.     Hong Kong Government: Environment and Conservation Fund (ECF), 01/2018 – 12/2019, PI: Dr. S.K. Lai, Smart Noise Barriers/Enclosures for Dual Active and Passive Control of Construction Noise, HK$837,080    

5.     CII-HK, 06/2013 – 11/2017, PI: Dr. J. Dai, Development of an Innovatively Anchored Stone Cladding System for Building Construction, HK$1,000,000