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Sustainable Pavement Materials and Technologies, Infrastructure Nondestructive Evaluation, Life Cycle Assessment and Eco-efficiency Analysis
Hong Kong SAR China

Biography

Dr. Zhen Leng is an Associate Professor of Civil and Environmental Engineering at The Hong Kong Polytechnic University, where he also serves as the Director of Road Research Laboratory and Associate Director of Research Centre for Resources Engineering towards Carbon Neutrality. He received his PhD degree in Civil Engineering from University of Illinois at Urbana-Champaign in 2011.His research interests mainly include sustainable infrastructure materials and technologies, eco-efficiency analysis and life cycle assessment, and nondestructive evaluation of transportation infrastructure. His research projects have been funded by various sources such as the Research Grant Council, Construction Industry Council, Environmental Conservation Fund, Highways Department, and Environmental Protection Department in Hong Kong, and Federal Aviation Administration, Association of American Railroad, and Illinois Department of Transportation in the US. He has published over 90 SCI journal papers, and has received various research awards, such as the 2018 Hong Kong Green Innovation Award, first runner-up of the HKIE Environment Paper Award in 2017, the AASHTO Sweet 16 High Value Research in 2013, the Illinois Center for Transportation High Impact Project Award in 2013, and the Innovative Research Award at the 52nd Annual Illinois Bituminous Paving Conference in 2012. He is the President of ASCE Greater China Section, the Vice President of Academy of Pavement Science and Engineering, the executive board member and the Honorary Deputy Treasurer of the Hong Kong Society for Transportation Studies, and the Co-opted Director of the Hong Kong Institution of Highways and Transportation. He is currently the Editor-in-Chief of Journal of Cleaner Materials, Executive Editor of Journal of Cleaner Production, Associate Editor of ASCE Journal of Materials in Civil Engineering, and ASCE Journal of Transportation Engineering, Part B: Pavement, and an Editorial Board member of the International Journal of Road Materials and Pavement Design, Transportation Research, Part D: Transport and Environment, and International Journal of Pavement Research and Technology.

Activities

Employment (3)

The Hong Kong Polytechnic University: Hung Hom, Kowloon, HK

2018 to present | Associate Professor (Civil and Environmental Engineering)
Employment
Source: Self-asserted source
Zhen LENG

The Hong Kong Polytechnic University: Hung Hom, Kowloon, HK

2012 to 2018 | Assistant Professor (Civil and Environmental Engineering)
Employment
Source: Self-asserted source
Zhen LENG

University of Illinois at Urbana-Champaign: Urbana, IL, US

2011 to 2012 | Post-Doctoral Research Associate (Civil and Environmental Engineering)
Employment
Source: Self-asserted source
Zhen LENG

Education and qualifications (1)

University of Illinois at Urbana-Champaign: Urbana, IL, US

2005 to 2011 | Ph.D. (Civil and Environmental Engineering)
Education
Source: Self-asserted source
Zhen LENG

Works (50 of 118)

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Enhancement of mechanical and rheological properties of epoxy-recycled asphalt binders through SBS/CR composite modification

International Journal of Pavement Engineering
2025-12-31 | Journal article
Contributors: Yulou Fan; Yixin Zhou; Chenguang Shi; Xing Cai; Jun Yang; Zhen Leng; Wei Huang
Source: check_circle
Crossref

Synthesising climate and traffic factors for pavement regionalisation in China

International Journal of Pavement Engineering
2025-12-31 | Journal article
Contributors: Ruijun Cao; Linyi Yao; Zhen Leng
Source: check_circle
Crossref

Enhancing photocatalytic durability of high strength pervious concrete: Micro-mechanical and microscopic mechanisms

Cement and Concrete Composites
2025-07 | Journal article
Contributors: Xunli Jiang; Jian-Xin Lu; Xue Luo; Zhen Leng; Chi Sun Poon
Source: check_circle
Crossref

Aggregate Coated with Carbon Nanotube–Polymer Composites for Smart Asphalt Mixtures with Different Aggregate Gradations

Journal of Materials in Civil Engineering
2025-04 | Journal article
Contributors: Dong Lu; Xi Jiang; Shaowei Zhang; Zhen Leng
Source: check_circle
Crossref

Feasibility and performance of recycling reclaimed asphalt pavement using activated rubber pellets through semi-wet process

Construction and Building Materials
2025-03 | Journal article
Contributors: Danning Li; Mou Shen; Zhaojie Chen; Shaowei Zhang; Binbin Yin; Zhen Leng
Source: check_circle
Crossref

Short- and long-term mechanical performances of damaged porous asphalt mixture treated with asphalt emulsion

Road Materials and Pavement Design
2025-03-04 | Journal article
Contributors: Bin Yang; Zhen Leng; Jiwang Jiang; Rui Li; Meizhao Han
Source: check_circle
Crossref

Maintenance mechanisms of rejuvenator-optimized asphalt emulsion in damaged porous asphalt mixture: Morphological, physicochemical, and rheological characterizations

Construction and Building Materials
2025-02 | Journal article
Contributors: Bin Yang; Jiwang Jiang; Zhen Leng; Xi Jiang; Yubo Sun; Chuanqi Yan; Zhifei Tan; Gaoyang Li
Source: check_circle
Crossref

Real-Time Asphalt Pavement Layer Thickness Prediction Using Ground-Penetrating Radar Based on a Modified Extended Common Mid-Point (XCMP) Approach

IEEE Transactions on Intelligent Transportation Systems
2024 | Journal article
Contributors: Siqi Wang; Zhen Leng; Xin Sui; Weiguang Zhang; Tao Ma; Zehui Zhu
Source: check_circle
Crossref

A matrix completion approach for imputing missing pavement condition data and its impact on pavement performance prediction

International Journal of Pavement Engineering
2024-12-31 | Journal article
Contributors: Linyi Yao; Zhen Leng; Fujian Ni
Source: check_circle
Crossref

Constitutive modelling and systematic evaluation of asphalt concrete’s viscoelastic tension-compression asymmetry effect on pavement performance

International Journal of Pavement Engineering
2024-12-31 | Journal article
Contributors: Zhifei Tan; Hui Li; Zhen Leng; Denis Jelagin; Peng Cao; Cong Du; Binbin Yin
Source: check_circle
Crossref

Diffusion characteristics of surface treatment emulsion in aged asphalt mortar of porous asphalt mixture through SEM/EDS analysis

International Journal of Pavement Engineering
2024-12-31 | Journal article
Contributors: Bin Yang; Zhen Leng; Jiwang Jiang; Ruiqi Chen; Guoyang Lu
Source: check_circle
Crossref

Real-time monitoring of asphalt pavement structure fatigue response based on tri-axis accelerometer

International Journal of Pavement Engineering
2024-12-31 | Journal article
Contributors: Xingwang Wang; Hainian Wang; Chonghui Wang; Ponan Feng; Muhammad Irfan; Junfeng Gao; Zhen Leng; Chen Zhang
Source: check_circle
Crossref

A novel high-performance warm-mix porous asphalt prepared with polyurethane prepolymer: Strength development mechanism and mechanical and functional performance

Journal of Cleaner Production
2024-10 | Journal article
Contributors: Gaoyang Li; Jun Kan; Hailong Liu; Zhen Leng; Guoyang Lu; Danning Li; Fuliao Zou; Bin Yang
Source: check_circle
Crossref

Investigation of the rheological properties of devulcanized rubber-modified asphalt with different rubber devulcanization degrees and rubber contents

Road Materials and Pavement Design
2024-09 | Journal article
Contributors: Yixin Zhou; Gang Xu; Houzhi Wang; Xianhua Chen; Yulou Fan; Jun Yang; Zhen Leng; Wei Huang
Source: check_circle
Crossref

In-situ grouting rate prediction of semi-flexible pavement based on a novel composite dielectric constant model and ground-penetrating radar

Construction and Building Materials
2024-08 | Journal article
Contributors: Xin Sui; Zhen Leng; Siqi Wang; Xing Cai; Minghui Gong; Lei Zhang
Source: check_circle
Crossref

Fatigue performance analysis of fine aggregate matrix using a newly designed experimental strategy and viscoelastic continuum damage theory

Materials and Structures
2024-07 | Journal article
Contributors: Zhifei Tan; Hui Li; Zhen Leng; Binbin Yin; Danning Li; Fuliao Zou; Peng Cao
Source: check_circle
Crossref

Quantitative analysis of asphalt concrete’s tension-compression asymmetry effects on pavement response through 3D numerical modeling with dual viscoelastic model

Construction and Building Materials
2024-06 | Journal article
Contributors: Zhifei Tan; Zhen Leng; Hui Li; Prabin Kumar Ashish; Xing Cai; Peng Cao; Anand Sreeram
Source: check_circle
Crossref

Optimisation of the preparation procedure of crumb rubber modified bitumen with wax-based additives

Road Materials and Pavement Design
2024-06-27 | Journal article
Contributors: Haopeng Wang; Gordon D. Airey; Zhen Leng; Guoyang Lu
Source: check_circle
Crossref

Effects of waterborne epoxy resin on the fatigue performance of bitumen emulsion

Road Materials and Pavement Design
2024-05-03 | Journal article
Contributors: Rui Li; Zhen Leng; Hui Li; Hongzhou Zhu; Lingyun Kong; Xiong Xu
Source: check_circle
Crossref

Screw extrusion process used in the polymer modified asphalt field: A review

Journal of Cleaner Production
2024-04 | Journal article
Contributors: Chuanqi Yan; Jiqiang Yan; Zhengyi Zhang; Daoan Yu; Shifeng Wang; Xi Jiang; Changfa Ai; Zhen Leng
Source: check_circle
Crossref

Sustainable microwave-heating healing asphalt concrete incorporating functional aggregates and waste ferrite

Transportation Research Part D: Transport and Environment
2024-04 | Journal article
Contributors: Dong Lu; Chaoliang Fu; Xi Jiang; Zhaojie Chen; Fulin Qu; Yanlin Huo; Zhen Leng; Jing Zhong
Source: check_circle
Crossref

Investigating the unique entropy-elasticity of polymer modified asphalt

Cleaner Materials
2024-03 | Journal article
Contributors: Chuanqi Yan; Jiang Xi; Changfa Ai; Zhen Leng
Source: check_circle
Crossref

Comparative analysis of cold in-place recycling for roadway maintenance and rehabilitation from the perspectives of technical-cost-environmental nexus

Journal of Cleaner Production
2024-02 | Journal article
Contributors: Ruijun Cao; Hanxi Li; Linyi Yao; Jiwang Jiang; Zhen Leng; Fujian Ni; Zili Zhao
Source: check_circle
Crossref

Adaptive maintenance strategies to mitigate climate change impacts on asphalt pavements

Transportation Research Part D: Transport and Environment
2024-01 | Journal article
Contributors: Linyi Yao; Zhen Leng; Fujian Ni; Guoyang Lu; Jiwang Jiang
Source: check_circle
Crossref

Discussion of “Study on Asphalt-Cement Materials for Seismic Isolation Layer of Shield Tunnels”

Journal of Materials in Civil Engineering
2024-01 | Journal article
Contributors: Xi Jiang; Yumeng Zhang; Jiwang Jiang; Xuehui Zhang; Zhen Leng
Source: check_circle
Crossref

Sustainable microwave-heating healing asphalt concrete fabricated with waste microwave-sensitive fillers

Journal of Cleaner Production
2024-01 | Journal article
Contributors: Dong Lu; Xi Jiang; Zhen Leng
Source: check_circle
Crossref

Discussion of “Validation of a Novel Sensing Approach for Continuous Pavement Monitoring Using Full-Scale APT Testing”

Journal of Transportation Engineering, Part B: Pavements
2023-12 | Journal article
Contributors: Xi Jiang; Haopeng Wang; Zhen Leng
Source: check_circle
Crossref

Drying behavior modeling of bitumen emulsion-based cold in-place recycling pavement considering heat-moisture coupling effects

Journal of Cleaner Production
2023-12 | Journal article
Contributors: Jiwang Jiang; Jingling Wang; Zili Zhao; Fujian Ni; Duo Xu; Zhu Zhang; Zhen Leng
Source: check_circle
Crossref

Leaching potential of metals and PAHs of asphalt rubber paving materials

Transportation Research Part D: Transport and Environment
2023-12 | Journal article
Contributors: Fuliao Zou; Zhen Leng; Danning Li; Shaowei Zhang; Yohannes L. Yaphary; Guoyang Lu
Source: check_circle
Crossref

Effects of traffic load amplitude sequence on the cracking performance of asphalt pavement with a semi-rigid base

International Journal of Pavement Engineering
2023-12-06 | Journal article
Contributors: Linyi Yao; Zhen Leng; Jiwang Jiang; Chenze Fang; Fujian Ni
Source: check_circle
Crossref

Incorporating decision makers’ attitudes towards risk and opportunity into network-level pavement maintenance optimisation

International Journal of Pavement Engineering
2023-12-06 | Journal article
Contributors: Linyi Yao; Zhen Leng; Jiwang Jiang; Fujian Ni
Source: check_circle
Crossref

Investigation of rejuvenation mechanisms of reclaimed asphalt rubber pavement through mortar tests

International Journal of Pavement Engineering
2023-12-06 | Journal article
Contributors: Danning Li; Zhen Leng; Zhifei Tan; Bin Yang; Zhaojie Chen; Haopeng Wang; Guoyang Lu
Source: check_circle
Crossref

Electrically conductive asphalt concrete for smart and sustainable pavement construction: A review

Construction and Building Materials
2023-11 | Journal article
Contributors: Dong Lu; Xi Jiang; Zhen Leng; Yanlin Huo; Daiyu Wang; Jing Zhong
Source: check_circle
Crossref

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
2023-11 | Journal article
Contributors: Zili Zhao; Jiwang Jiang; Zhen Leng; Fujian Ni
Source: check_circle
Crossref

Performance of Oil-Absorbing organogel Polystyrene-Stearyl methacrylate as a fume suppressant of asphalt binder

Construction and Building Materials
2023-11 | Journal article
Contributors: Meizhao Han; Yiqiu Tan; Zhen Leng; Fuliao Zou; Shuai Li; Jilu Li; Chao Zhang
Source: check_circle
Crossref

Dual responsive microwave heating-healing system in asphalt concrete incorporating coal gangue and functional aggregate

Journal of Cleaner Production
2023-10 | Journal article
Contributors: Dong Lu; Xi Jiang; Zhen Leng; Shaowei Zhang; Daiyu Wang; Jing Zhong
Source: check_circle
Crossref

Virtual-specimen modeling of aggregate contact effects on asphalt concrete

Construction and Building Materials
2023-10 | Journal article
Contributors: Zhifei Tan; Denis Jelagin; Hassan Fadil; Zhen Leng; Rui Li; Jiwang Jiang; Peng Cao
Source: check_circle
Crossref

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
2023-02-01 | Journal article
Contributors: Xingyu Yi; Ruikun Dong; Chenguang Shi; Jun Yang; Zhen Leng
Source: check_circle
Crossref

Effects of aging on rheological, chemical, and micromechanical properties of waterborne epoxy resin modified bitumen emulsion

International Journal of Pavement Engineering
2023-01-28 | Journal article
Contributors: Rui Li; Zhen Leng; Gaoyang Li; Bin Yang; Guoyang Lu
Source: check_circle
Crossref

Microstructure characterisation and constitutive modelling of waterborne epoxy resin modified bitumen emulsion

International Journal of Pavement Engineering
2022-12-06 | Journal article
Contributors: Rui Li; Zhen Leng; Haopeng Wang; Manfred N. Partl; Huayang Yu; Zhifei Tan; Christiane Raab
Source: check_circle
Crossref

Modelling of pavement performance evolution considering uncertainty and interpretability: a machine learning based framework

International Journal of Pavement Engineering
2022-12-06 | Journal article
Contributors: Linyi Yao; Zhen Leng; Jiwang Jiang; Fujian Ni
Source: check_circle
Crossref

Automatic asphalt layer interface detection and thickness determination from ground-penetrating radar data

Construction and Building Materials
2022-11 | Journal article
Contributors: Siqi Wang; Zhen Leng; Zeyu Zhang; Xin Sui
Source: check_circle
Crossref

Large-Scale Maintenance and Rehabilitation Optimization for Multi-Lane Highway Asphalt Pavement: A Reinforcement Learning Approach

IEEE Transactions on Intelligent Transportation Systems
2022-11 | Journal article
Contributors: Linyi Yao; Zhen Leng; Jiwang Jiang; Fujian Ni
Source: check_circle
Crossref

Micromechanics-Based Viscoelasticity Predictions of Crumb Rubber Modified Bitumen Considering Polymer Network Effects

Transportation Research Record: Journal of the Transportation Research Board
2022-10 | Journal article
Contributors: Haopeng Wang; Hong Zhang; Xueyan Liu; Panos Apostolidis; Sandra Erkens; Athanasios Skarpas; Zhen Leng; Gordon Airey
Source: check_circle
Crossref

Viscoelastic analysis of surface responses in flexible pavements under different loading conditions

Road Materials and Pavement Design
2022-10-03 | Journal article
Contributors: Mohsen Alae; Zhen Leng; Yanqing Zhao; Guozhi Fu
Source: check_circle
Crossref

Performance of zeolite synthesized from sewage sludge ash as a warm mix asphalt additive

Resources, Conservation and Recycling
2022-06 | Journal article
Contributors: Fuliao Zou; Zhen Leng; Ruijun Cao; Gaoyang Li; Yuan Zhang; Anand Sreeram
Source: check_circle
Crossref

Innovative use of industrially produced steel slag powders in asphalt mixture to replace mineral fillers

Journal of Cleaner Production
2022-04 | Journal article
Contributors: Zongwu Chen; Zhen Leng; Yuyong Jiao; Fang Xu; Juntao Lin; Haopeng Wang; Jun Cai; Linlu Zhu; Yunlong Zhang; Namin Feng et al.
Source: check_circle
Crossref

Rubber–Bitumen Interaction of Plant-Blended Rubberized Bitumen Prepared under Various Blending Conditions

Journal of Testing and Evaluation
2022-03-01 | Journal article
Contributors: Xiong Xu; Zhen Leng; Shifeng Wang; Jingting Lan; Rui Li; Zhifei Tan; Anand Sreeram
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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
2022-02 | Journal article
Contributors: Linyi Yao; Zhen Leng; Jingting Lan; Ruiqi Chen; Jiwang Jiang
Source: check_circle
Crossref

Influence of ternary blended cementitious fillers in a cold mix asphalt mixture

Journal of Cleaner Production
2021-10 | Journal article
Contributors: Dong Lu; Yun Wang; Zhen Leng; Jing Zhong
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Crossref
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