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  1. No Access

    Article

    Experimental Study of Alkali-Activated Slag Crushed Aggregate Blocks During and After Exposure to Elevated Temperatures

    Nowadays, significant research effort is being dedicated to explore environmentally friendly block materials with high strength and high-temperature resistance. Ground-granulated blast-furnace slag (GGBFS) is ...

    Wenxuan Huang, Ying Wang, Yaming Zhang, Wenzhong Zheng in Fire Technology (2024)

  2. No Access

    Article

    Study on the shear behaviour of steel–concrete composite beams after elevated temperature and water cooling

    The study of the mechanical behaviour of steel–concrete composite beams under fire is of great importance. However, little attention has been paid to the effect of elevated temperatures on the shear performanc...

    Shuo Liu, Fangwen Wu, Wenzhong Zheng… in Archives of Civil and Mechanical Engineeri… (2024)

  3. No Access

    Article

    General Prediction Models for Local Bearing Capacity of Concrete

    The local bearing capacity is a basic mechanical property, which is crucial in the post-tensioned anchorage zone design. However, it is challenging to accurately predict local bearing capacity due to the disor...

    Sheng Li, Wenzhong Zheng, Wei Zhou, Ying Wang in KSCE Journal of Civil Engineering (2023)

  4. No Access

    Article

    Anchorage zone behavior and strength prediction of high-performance concrete containing coarse aggregate confined with spirals

    High-performance concrete containing coarse aggregate (HPC-CA) has superior cost efficiency and reduced early cracking risk compared with traditional UHPC. HPC-CA is distinguished by high strength, lightweight...

    Sheng Li, Wenzhong Zheng, Wei Zhou… in Archives of Civil and Mechanical Engineeri… (2023)

  5. No Access

    Article

    Seismic performance of concrete columns confined by high-strength stirrups

    The concrete columns confined by high-strength stirrups exhibited higher bearing capacity and better deformation ability. Based on the test results of concrete columns confined by high-strength stirrups under ...

    Chongchi Hou, Wenzhong Zheng, Pengfei Liu… in Archives of Civil and Mechanical Engineeri… (2023)

  6. No Access

    Article

    Compressive strength evaluation of concrete confined with spiral stirrups by using adaptive neuro-fuzzy inference system (ANFIS)

    The compressive strength of concrete confined with spiral stirrups was an important parameter to evaluate the load-bearing capacity of concrete columns. The confinement provided by spiral stirrups let concrete...

    Wei Chang, Wenzhong Zheng in Soft Computing (2022)

  7. No Access

    Article

    Seismic behavior of full-scale RC columns jacketed by modified multi-spiral stirrups

    The purpose of this study was to investigate the seismic behavior of RC columns jacketed with a large welded octagonal stirrup at the center and four small spiral stirrups at the corners. Six full-scale RC col...

    Wenzhong Zheng, Mei**g Hao, Wei Chang in Archives of Civil and Mechanical Engineering (2022)

  8. No Access

    Article

    Experiment and validation of local bearing capacity for reactive powder concrete confined with high-strength spirals

    In this study, ten reactive powder concrete (RPC) specimens confined by high-strength spirals loaded over a limited area are used to investigate their behaviour and determine their local bearing capacity. The ...

    Sheng Li, Wenzhong Zheng, Wei Zhou… in Archives of Civil and Mechanical Engineeri… (2022)

  9. No Access

    Article

    Compression behavior of ultra-high performance concrete (UHPC) confined with high-strength rectilinear ties

    To explore the compression behavior of ultra-high-performance concrete (UHPC) confined with rectilinear ties, sixty specimens were tested under axial compression. The investigated parameters included the compr...

    Wei Chang, Wenzhong Zheng, Mei**g Hao in Archives of Civil and Mechanical Engineering (2021)

  10. No Access

    Article

    Effect of fibre dosage and stress-strength ratio on creep of polypropylene fibre-reinforced alkali-activated slag concrete

    The use of alkali-activated slag (AAS), an eco-friendly cementitious material, to replace ordinary Portland cement in construction can reduce the energy consumption, CO2 emissions, and solid dust pollution and pr...

    **anyu Zhou, Pang Chen, Zhenzhen Jiao, Yusheng Zeng… in Materials and Structures (2021)

  11. No Access

    Article

    Lateral dilation and limited value of volumetric ratio of stirrups for ultra-high strength concrete confined with spiral stirrups

    Ultra-high strength concrete (UHSC) has high compressive strength and tends to fail in brittle under axial compression. The lateral confinements of spiral stirrups can be significantly enhanced the ductility o...

    Wei Chang, Wenzhong Zheng, Mei**g Hao in Materials and Structures (2021)

  12. No Access

    Article

    Lateral response of HPC confined by both spiral stirrups and CFRP under axial compression

    Lateral response is the lateral expansion deformation of confined concrete under axial compression which is used as an indicator to evaluate the lateral confinements of confining materials. In this paper, an a...

    Wei Chang, Wenzhong Zheng in Materials and Structures (2021)

  13. No Access

    Article

    Experimental investigation of full-scale concrete columns confined by high-strength transverse reinforcement subjected to lateral cyclic loading

    The use of high-strength longitudinal and transverse reinforcements in confined concrete columns can improve bearing capacity and deformability. Besides, experiments on confined concrete columns with side leng...

    Chongchi Hou, Wenzhong Zheng, Sheng Li… in Archives of Civil and Mechanical Engineeri… (2020)

  14. No Access

    Article

    Quantifying Fire Insulation Effects on the Fire Response of Hybrid-Fiber Reinforced Reactive Powder Concrete Beams

    The fire performance of reinforced reactive powder concrete (RPC) beams has raised much concern due to the sensitivity of these beams to high temperature and relatively lower fire resistance. To achieve the fi...

    Pengfei Ren, **aomeng Hou, Qin Rong, Wenzhong Zheng in Fire Technology (2020)

  15. Article

    Open Access

    Effects of Temperature and Stress on Creep Behavior of PP and Hybrid Fiber Reinforced Reactive Powder Concrete

    Reactive powder concrete (RPC) is an advanced cementitious material with ultra-high strength, remarkable durability and excellent toughness. However, temperature dependent creep is a major concern as very litt...

    **aomeng Hou, Muhammad Abid, Wenzhong Zheng… in International Journal of Concrete Structur… (2019)

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  16. No Access

    Article

    HO-1 Overexpressed Mesenchymal Stem Cells Ameliorate Sepsis-Associated Acute Kidney Injury by Activating JAK/stat3 Pathway

    Stem cell therapy has been increasingly used in the treatment of sepsis-associated acute kidney injury (AKI). Engineering stem cells, through genetic method, for optimized therapeutic outcome is a desirable st...

    Xuetao Yan, **aoli Cheng, **anghu He… in Cellular and Molecular Bioengineering (2018)

  17. No Access

    Article

    Factors governing the fire response of bonded prestressed concrete continuous beams

    Results from fire resistance experiments on nine bonded prestressed concrete (PC) continuous beams are presented in this paper. The test variables included concrete cover thickness, load level, degree of prest...

    **aomeng Hou, Venkatesh K. R. Kodur, Wenzhong Zheng in Materials and Structures (2015)

  18. No Access

    Article

    Stress–strain relationship of steel-fibre reinforced reactive powder concrete at elevated temperatures

    This paper presents the stress–strain curves of reactive powder concrete (RPC) specimens in compression tested at increasing temperatures to study the fire resistance of RPC. Stress–strain tests were conducted...

    Wenzhong Zheng, Baifu Luo, Ying Wang in Materials and Structures (2015)

  19. No Access

    Article

    Experimental research on the mechanical property of prestressing steel wire during and after heating

    The mechanical property of prestressing steel wire during and after heating is the key factor in the design of fire resistance and after-fire damage evaluation of prestressed structures. Tensile experiment of ...

    Wenzhong Zheng, Qiong Hu, Haoyu Zhang in Frontiers of Architecture and Civil Engine… (2007)