DB/T 29-112-2021 天津市钻孔灌注桩成孔、地下连续墙成槽检测技术规程
简介
DB/T 29-112-2021 备案号∶ J10497-2021
天津市钻孔灌注桩成孔、地下连续墙成槽检测技术规程
Technical specification for the testing of the drilling hole of cast-in-place pile and the groove of diaphragm wall in Tianjin
2021-11-01 实施
2021-09-22 发布 目 次 1 总 则.......................................................................................... 1 2 术语和符号.................................................................................. 2 2.1 术 语................................................................................... 2 2.2 符 号................................................................................... 5 3 基本规定...................................................................................... 6 3.1 仪器设备................................................................................6 3.2 检测方法................................................................................6 3.3 检测数量................................................................................8 3.4 检测位置确定.........................................................................8 3.5 检测前准备............................................................................ 9 3.6 重复检测与扩大检测.............................................................. 9 3.7 检测结果评价.......................................................................10 4 超声波法.................................................................................... 11 4.1 一般规定..............................................................................11 4.2 检测仪器设备.......................................................................11 4.3 仪器自校..............................................................................12 4.4 钻孔灌注桩成孔检测............................................................ 12 4.5 地下连续墙成槽检测............................................................ 13 4.6 检测数据处理.......................................................................13 5 接触式仪器法............................................................................18 5.1 一般规定..............................................................................18 5.2 检测仪器设备.......................................................................18 5.3 钻孔灌注桩成孔孔径检测..................................................... 20 5.4 钻孔灌注桩成孔垂直度检测..................................................22 5.5 沉渣厚度检测.......................................................................24 5.6 孔深检测..............................................................................25 6 检测报告.................................................................................... 27 附录 A 伞形孔径仪标定方法...................................................... 29 附录 B 顶角测量法测斜仪标定方法..........................................31 本规程用词说明..............................................................................32 引用标准名录..................................................................................33 条文说明.......................................................................................... 34
DB/T 29-112-2021 备案号∶ J10497-2021
天津市钻孔灌注桩成孔、地下连续墙成槽检测技术规程
Technical specification for the testing of the drilling hole of cast-in-place pile and the groove of diaphragm wall in Tianjin
2021-11-01 实施
2021-09-22 发布 目 次 1 总 则.......................................................................................... 1 2 术语和符号.................................................................................. 2 2.1 术 语................................................................................... 2 2.2 符 号................................................................................... 5 3 基本规定...................................................................................... 6 3.1 仪器设备................................................................................6 3.2 检测方法................................................................................6 3.3 检测数量................................................................................8 3.4 检测位置确定.........................................................................8 3.5 检测前准备............................................................................ 9 3.6 重复检测与扩大检测.............................................................. 9 3.7 检测结果评价.......................................................................10 4 超声波法.................................................................................... 11 4.1 一般规定..............................................................................11 4.2 检测仪器设备.......................................................................11 4.3 仪器自校..............................................................................12 4.4 钻孔灌注桩成孔检测............................................................ 12 4.5 地下连续墙成槽检测............................................................ 13 4.6 检测数据处理.......................................................................13 5 接触式仪器法............................................................................18 5.1 一般规定..............................................................................18 5.2 检测仪器设备.......................................................................18 5.3 钻孔灌注桩成孔孔径检测..................................................... 20 5.4 钻孔灌注桩成孔垂直度检测..................................................22 5.5 沉渣厚度检测.......................................................................24 5.6 孔深检测..............................................................................25 6 检测报告.................................................................................... 27 附录 A 伞形孔径仪标定方法...................................................... 29 附录 B 顶角测量法测斜仪标定方法..........................................31 本规程用词说明..............................................................................32 引用标准名录..................................................................................33 条文说明.......................................................................................... 34
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