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    Development of Novel Metaconcrete to Resist Impulsive Loads

    Xu C 2022 Public 2years.pdf (11.35Mb)
    Access Status
    Open access
    Authors
    Xu, Cheng
    Date
    2022
    Supervisor
    Hong Hao
    Wensu Chen
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    Faculty
    Science and Engineering
    School
    School of Civil and Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/89128
    Collection
    • Curtin Theses
    Abstract

    In this thesis, novel metaconcrete material with engineered aggregates is developed to resist impulsive loads. The designed metaconcrete material has favorable wave attenuation capacity and tunable dynamic property. The performances of metaconcrete material and structure under static and dynamic loading are investigated by experimental tests, analytical derivations and numerical simulations. The outcomes from this study could provide guidance for the design of metaconcrete material and structure to resist multi-hazardous dynamic loads.

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      Jin, H.; Hao, Hong ; Chen, Wensu ; Xu, Cheng (2021)
      Spalling is a typical tensile fracture phenomenon due to insufficient tensile strength of concrete. Concrete structure might experience severe spall damage at the rear surface of the structure owing to reflected tensile ...
    • Static mechanical properties and stress wave attenuation of metaconcrete subjected to impulsive loading
      Xu, Cheng ; Chen, Wensu ; Hao, H.; Pham, Thong ; Bi, Kaiming (2022)
      To mitigate shock wave propagation, a conventional engineered aggregate (EA) consisting of solid core coated with relatively soft material was designed to be tuned at targeted frequencies based on the local resonance ...
    • Effect of enhanced coating layer on the bandgap characteristics and response of metaconcrete
      Jin, H.; Hao, Hong ; Chen, Wensu ; Xu, Cheng (2021)
      Metaconcrete is made by partially or fully replacing natural coarse aggregates (NA) in normal concrete (NC) with engineered aggregates (EA). Normal engineered aggregate (NEA) is made by wrapping elastic coating outside ...
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