Home > Urban and Rural Studies > 2022 No.01 > 嵌岩承台采取成槽+PLC(钢管桩+钢板桩)施工技术

  • 嵌岩承台采取成槽+PLC(钢管桩+钢板桩)施工技术

    Author(s):

    毛锦鑫 刘勇

    Publication Title:

    Urban and Rural Studies 2022 No.01

    Affiliations:

    湖南路桥建设集团有限责任公司

    Abstract:

    结合新化资江四桥的工程实践,介绍了深水嵌岩承台采取四周刻槽,依次插打钢板桩、钢管桩组合钢围堰后在内侧浇筑槽内混凝土,再抽水安装内围檩,最后进行基坑开挖及承台施工的技术,与常规的水下爆破后,下放双壁钢围堰(钢套箱)的施工方法,降低了水下施工难度,具有安全系数高、止水效果好、经济效益好、施工进度快。为今后水中嵌岩承台基础施工提供重要依据。

    Keywords:

    嵌岩承台;PLC(钢管桩+钢板桩);钻孔成槽;内围檩;基坑开挖

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