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    Static Load Test on the Progressive Collapse Resistance of Precast Concrete Frame Substructure during and after High Temperature

    Source: Journal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 008::page 04021110-1
    Author:
    Yun Zhou
    ,
    Jianbo Yang
    ,
    Zhengsheng Wang
    ,
    Hyeon-Jong Hwang
    ,
    Yuan Huang
    ,
    Lu Deng
    ,
    Weijian Yi
    DOI: 10.1061/(ASCE)ST.1943-541X.0003072
    Publisher: ASCE
    Abstract: With the recent increased use of precast concrete (PC) structures, their progressive collapse resistance under hazardous conditions, such as explosion and fire, has become a great concern for the structural engineering community. In this study, static push-down tests were performed on eight PC beam-column substructures, in a column removal scenario due to fire, to investigate their progressive collapse resistance. The test specimens were classified into four groups, and static loading was applied to them under and after fire in a specially designed hybrid heating furnace. The test parameters were the wet-connection details in PC beam-column joints and the timing of high temperature. Structural performance and failure modes were evaluated, including thermal responses, load-displacement relationships, temperature–axial force relationships, and beam moment–axial force relationships. The test results showed that in the joint specimens using a lap splice connection and/or at high temperature, insufficient compressive arch action (CAA) and catenary action (CTA) developed.
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      Static Load Test on the Progressive Collapse Resistance of Precast Concrete Frame Substructure during and after High Temperature

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4270444
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    • Journal of Structural Engineering

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    contributor authorYun Zhou
    contributor authorJianbo Yang
    contributor authorZhengsheng Wang
    contributor authorHyeon-Jong Hwang
    contributor authorYuan Huang
    contributor authorLu Deng
    contributor authorWeijian Yi
    date accessioned2022-01-31T23:50:27Z
    date available2022-01-31T23:50:27Z
    date issued8/1/2021
    identifier other%28ASCE%29ST.1943-541X.0003072.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4270444
    description abstractWith the recent increased use of precast concrete (PC) structures, their progressive collapse resistance under hazardous conditions, such as explosion and fire, has become a great concern for the structural engineering community. In this study, static push-down tests were performed on eight PC beam-column substructures, in a column removal scenario due to fire, to investigate their progressive collapse resistance. The test specimens were classified into four groups, and static loading was applied to them under and after fire in a specially designed hybrid heating furnace. The test parameters were the wet-connection details in PC beam-column joints and the timing of high temperature. Structural performance and failure modes were evaluated, including thermal responses, load-displacement relationships, temperature–axial force relationships, and beam moment–axial force relationships. The test results showed that in the joint specimens using a lap splice connection and/or at high temperature, insufficient compressive arch action (CAA) and catenary action (CTA) developed.
    publisherASCE
    titleStatic Load Test on the Progressive Collapse Resistance of Precast Concrete Frame Substructure during and after High Temperature
    typeJournal Paper
    journal volume147
    journal issue8
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0003072
    journal fristpage04021110-1
    journal lastpage04021110-14
    page14
    treeJournal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 008
    contenttypeFulltext
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