孟加拉国德比甘吉公路桥下部工程施工方案

Construction Scheme of Bangladesh's Derby Highway Lower Bridge Engineering

孟加拉国德比甘吉公路桥工程为笔者所在公司参加的援外建设工程。文章从公路桥下部结构施工方法和施工质量控制研究入手,探讨钻孔灌注桩施工工艺和钻孔灌注桩施工质量控制措施。其施工程序是:测量放样,护筒就位,钻机就位和安装泥浆供应系统,钻进、清孔等。

Bangladesh＇s Derby Highway Lower Bridge Engineering is foreign construction engineering for the company where the writer is working. This article begins from the highway bridge substructure construction method and construction quality control research,discusses on the construction technique of bored pile and bored pile construction quality control measures. The construction procedure is：measurement lofting,casing drilling rig in place in place,and the installation of slurry supply system,drilling,hole cleaning,etc.