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考虑时变特性的自密实混凝土模板侧压力试验研究

吴淑康,  张文学,  计均,  卢祥韬

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文章导航 > 工业建筑  > 2021 >  51(8): 120-125
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引用本文: 吴淑康, 张文学, 计均, 卢祥韬. 考虑时变特性的自密实混凝土模板侧压力试验研究[J]. 工业建筑, 2021, 51(8): 120-125. doi: 10.13204/j.gyjzG21010409
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Citation: WU Shukang, ZHANG Wenxue, JI Jun, LU Xiangtao. EXPERIMENTAL RESEARCH OF LATERAL PRESSURE ON SELF-COMPACTING CONCRETE FORMWORKS CONSIDERING TIME-VARYING PROPERTIES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 120-125. doi: 10.13204/j.gyjzG21010409
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考虑时变特性的自密实混凝土模板侧压力试验研究

doi: 10.13204/j.gyjzG21010409

  • 北京工业大学城市建设学部, 北京 100124

详细信息
    作者简介:

    吴淑康,男,1995年出生,硕士研究生。

    通讯作者:

    张文学,zhwx@bjut.edu.cn。

EXPERIMENTAL RESEARCH OF LATERAL PRESSURE ON SELF-COMPACTING CONCRETE FORMWORKS CONSIDERING TIME-VARYING PROPERTIES

  • College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China

摘要

    摘要
  • 摘要: 针对自密实混凝土模板侧压力计算研究不够完善的问题，基于Janssen理论建立了自密实混凝土模板侧压力计算模型并推导出侧压力计算式。通过自行设计的试验装置研究了自密实混凝土与模板间的摩擦系数μ、侧压力折减系数K所呈现的时变效应，并对推导式进行参数修正，依托侧压力实测数据对修正式有效性进行验证。研究表明：考虑时变效应的模板侧压力修正式计算值与实测值相对误差较小，可相对准确地预测模板侧压力。
    Abstract: Aiming at the problem that the research on the calculation of the lateral pressure of self-compacting concrete formwork is not perfect enough, a calculation model of the lateral pressure of self-compacting concrete formwork was established based on Janssen theory, and the calculation formula of the lateral pressure was deduced. The time-varying effect of friction coefficient μ and lateral pressure reduction coefficient K between self-compacting concrete and formwork was studied by self-designed test device, and the parameters of the deduced formula were modified. The validity of the modified formula was verified based on the measured data of lateral pressure. The results showed that the error between the calculated and the measured values was small and the correction formula considering the time-varying effect could predict the lateral pressure of the formwork relatively accurately.
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    • 参考文献(16)
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出版历程
  • 收稿日期:  2021-01-04
  • 网络出版日期:  2021-11-10
  • 刊出日期:  2021-11-10

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