Research Assistant Professor

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Dr. KAI Mingfeng

Dr. Kai Mingfeng joined Prof Dai's group from November 2020 as a Research fellow. Dr. Kai obtained his PhD in Civil Engineering from City University of Hong Kong, in August 2020. He later got appointed as Research Assistant Professor from July 2021. His research work is focused on molecular dynamics simulation of eco friendly and high performance materials comprising of cement and geopolymer composites. 

Post Doctoral Fellows

Dr. Bo-Tao HUANG

Dr. Bo-Tao HUANG joined Prof. Dai’s group from Sep. 2018 and was appointed as a Research Assistant. He obtained Bachelor's and Ph.D. degree from Zhejiang University, China. His research focuses on Engineered/Strain-Hardening Cementitious Composites (ECC/SHCC), Ultra-High-Performance Concrete (UHPC), and composite structures.

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Dr. KHAN Mehran

Dr. Mehran Khan joined Prof Dai's group from April 2021 as a Research Associate. Later, he has been appointed as a Postdoctoral Fellow in July 2021. Dr. Mehran obtained his Ph.D. in Structural Engineering from Dalian University of Technology (DUT), China, in December 2020. His research focuses on mechanical performance of multi-scale hybrid fiber reinforced cementitious materials. Currently, his research interest is fire resistance of fiber reinforced cementitious matrix.  

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Dr. Muhammad Riaz Ahmad

Dr. Riaz obtained his Doctor of Philosophy in Civil Engineering from Shanghai Jiao Tong University, China in 2021. He joined Prof Dai’s group in April 2021 as Post-doctoral fellow. His PhD research work is related to development of bio-composites focusing on improvement in compatibility between the eco-friendly binders and vegetal aggregates. His research interests include lightweight concrete, durability of concrete, magnesium phosphate cement and geopolymer materials.

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Dr. Yi FANG

Dr. Yi FANG joined Prof. Dai's research group from August 2021 as a Research Associate. Dr. Fang obtained his Ph.D. in Civil Engineering from The University of Alabama (UA), USA, in May 2021. His research focuses on naturally occurring green additives for concrete materials, microencapsulation technology, thermally active building envelopes and materials

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Dr. Yazan ALREFAEI

Mr. Yazan Alrefaei is an HKPFS awardee who joined PolyU in September 2017. Yazan is originally from Syria and obtained his bachelor's and master's degrees from Kuwait University. His Ph.D. work was focused on the rheology and fresh properties of the sustainable alkali-activated materials. Currently, he is working as a Post Doctoral Fellow in the group. 

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Dr. Peng ZHANG

Dr. Peng Zhang joined Prof. Dai’s group from September 2021 as a Research Associate. Dr. Zhang obtained his Ph.D. in Solid Mechanics from Dalian University of Technology, China, in December 2020. His PhD research focuses on developing accurate phase field models for progressive failure in composites at different length scales.

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Dr. Wei-He LIU

Dr. Wei-He LIU joined Prof. Dai’s research group from September 2021 as a Research Associate. Dr. Liu obtained his PhD in Civil Engineering from City University of Hong Kong, in August 2021. His research is focused on the study of engineered cementitious composites, FRP-reinforced high-performance fiber reinforced cementitious composites and life cycle assessment of the FRP-reinforced sea water sea sand cementitious composites, using mechanical and mathematical models.

PhD Students

Mr. Sushil KUMAR

Sushil KUMAR joined Prof. Dai’s research group from September 2017 as a full time PhD student in Structures. He obtained M.Tech (Structures) degree from Indian Institute of Technology (IIT) Delhi, in 2014. His PhD work focuses on understanding the structural behavior of precast BFRP grid-reinforced geopolymer concrete sandwich panels subjected to in-plane loading.

Mr. Dong GUO

Mr. Guo Dong joined Prof. Dai’s group as Research Assistant in October 2016. After 1 year of RAship, he started his PhD from August 2017 under Prof. Dai. His PhD research focuses on the debonding mechanism of FRP plated steel beam under combined mechanical and thermal loading.

Ms. Lan-Ping QIAN

Ms Lan-Ping QIAN joined Prof Dai’s Lab from September 2018 as a PhD student. Lan-Ping obtained her master’s degree from Beijing University of Technology, China. Her PhD on-going topic focuses on the fly ash aggregates and geopolymer.

Mr. Kaidi PENG

Mr. Kaidi Peng completed his Masters degree from University of Wollongong, Australia and joined in Prof. Dai’s research group from October 2017 as one research assistant initially. His Ph.D. program has been starting from September 2018 and focuses on the FRP reinforced geopolymer system strengthened RC members in marine environments.

Mr. Ling-Yu XU

Mr Lingyu-XU obtained MPhil degree from Hohai University in 2019, and joined Prof. J. G. DAI’s research group as a PhD student in the same year.  His research object focuses on the manufacture technique of artificial aggregates for modern concrete.

Mr. Zhihao HAO

Mr. Zhihao HAO joined the Prof. Dai J. G.'s research group from September 2019, and focus on the research about the durability of FRP-SSC structure. Mr. HAO graduated with his Bachelor degree in Civil Engineering from Shandong University and got his MSc degree in the department of Civil and Environmental engineering from Imperial College London (Distinction degree)

Mr. Jing-Cheng TENG

Mr. Jing-Cheng TECNG joined Prof. Dai's group from January 2020 and his PhD work focuses on study of impermeable FRP tubular pile wall for marine reclamation. He obtained Masters degree in Civil Engineeering from PolyU in September 2019. His MSc work focused on modelling of suction bucket foundation in clay: from finite element analysis to macro-element model.

Miss Ning YANG

Miss YANG Ning joined Prof. Dai's group as a Research Assistant from June, 2019. YANG obtained her Master Degree of Science in Corrosion and Protection from the Institute of Oceanology, Chinese Academy of Science, China, in September, 2019 and joined as a PhD student from September 2020. Her research work focus on intelligent or multi-functional coating for steel/concrete structures.

Mr. Ke-Fan WENG

Mr. Ke-Fan WENG has joined Prof Dai's group as a Research Associate from Aug 2019 and focused on the research and development of FRP reinforced ultra-high-performance concrete formwork for semi-prefabricated construction of marine concrete structures. He is pursuing his PhD study under the joint supervision scheme of PolyU and SUS Tech from September 2020.

Mr. Ji-Xiang ZHU

Mr,Ji-Xiang ZHU joined Prof. Dai's group as a Research Associate from Augest 2019. He obtained his MSc in Civil Engineering from PolyU in July 2019 and is now a PhD student from September 2020. His research work focues on the use of high performance cementitious composites ECC and UHPC as permanent formwork for marine and underground structures.

Mr. Chandra Sekhar DAS

Mr. Chandra Sekhar Das joined Prof. Dai's research group as Research Assistant in September 2019. He completed his Bachelors from Indian Institute of Technology (IIT ISM Dhanbad) and has started his PhD from September 2020. His research work is focused on Engineered Geopolymer Composites (EGC) and corrosion study of reinforced stuctures.

Research Associates/ Assistants

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Mr. Jian-Cong LAO

Mr. Jian-Cong LAO jointed Prof Dai’s group as a Research Associate after his graduation from the MSc program in Civil Engineering in PolyU in September 2020. His research work focuses on the research and development of FRP reinforced ultra-high-performance concrete formwork for semi-prefabricated construction of marine concrete structures