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Building Structure. 2022, (S2) Core

Study on application of grouting steel pipe reinforcement technology in deep foundation pit of hospital expansion projectChinese Full TextEnglish Full Text (MT)

QIN Yongjun;HU Xiaobo;WANG Guangqi;HE Zhaoyu;FAN Shiying;Shandong JianKan Group Co., Ltd.;Shandong Foundation Pit and Slope Engineering Research Center;

Abstract: In order to effectively prevent the safety risk caused by excessive deformation of filled deep foundation pit to the surrounding environment, taking the deep foundation pit of a hospital reconstruction and expansion project in Jinan,Shandong Province as the research background, this paper puts forward the combined support system of micro pile +prestressed anchor rod + steel flower pipe horizontal grouting. According to the previous grouting experience, the reinforcement mechanism, grouting effec... More
Keywords：

deep backfill; foundation pit fertilizer trough; steel flower pipe horizontal grouting; numerical simulation;

  • DOI：

    10.19701/j.jzjg.22S2516

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Architecture and Engineering

  • Classification Code：

    TU753

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