钻孔桩(冲击钻)施工作业指导书论述.docx

目录  TOC \o 1-3 \h \z \u  HYPERLINK \l _Toc417484486 1．适用范围  PAGEREF _Toc417484486 \h 2  HYPERLINK \l _Toc417484487 2．作业准备  PAGEREF _Toc417484487 \h 2  HYPERLINK \l _Toc417484488 2.1内业技术准备  PAGEREF _Toc417484488 \h 2  HYPERLINK \l _Toc417484489 2.2外业技术准备  PAGEREF _Toc417484489 \h 2  HYPERLINK \l _Toc417484490 2.3机械设备、材料及试验准备  PAGEREF _Toc417484490 \h 2  HYPERLINK \l _Toc417484491 3．技术要求  PAGEREF _Toc417484491 \h 3  HYPERLINK \l _Toc417484492 4．施工程序与工艺流程  PAGEREF _Toc417484492 \h 3  HYPERLINK \l _Toc417484493 4.1施工程序  PAGEREF _Toc417484493 \h 3  HYPERLINK \l _Toc417484494 4.2?工艺流程  PAGEREF _Toc417484494 \h 3  HYPERLINK \l _Toc417484495 5．施工要求  PAGEREF _Toc417484495 \h 3  HYPERLINK \l _Toc417484496 5.1施工准备  PAGEREF _Toc417484496 \h 3  HYPERLINK \l _Toc417484497 5.1.1场地布置及平整  PAGEREF _Toc417484497 \h 3  HYPERLINK \l _Toc417484498 5.1.2桩孔定位测量  PAGEREF _Toc417484498 \h 3  HYPERLINK \l _Toc417484499 5.1.3护筒埋设  PAGEREF _Toc417484499 \h 5  HYPERLINK \l _Toc417484500 5.2施工工艺  PAGEREF _Toc417484500 \h 5  HYPERLINK \l _Toc417484501 5.2.1钻孔泥浆  PAGEREF _Toc417484501 \h 5  HYPERLINK \l _Toc417484502 5.2.2钻孔  PAGEREF _Toc417484502 \h 6  HYPERLINK \l _Toc417484503 5.2.3验孔和一次清孔  PAGEREF _Toc417484503 \h 9  HYPERLINK \l _Toc417484504 5.2.4钢筋笼的制作和吊装  PAGEREF _Toc417484504 \h 9  HYPERLINK \l _Toc417484505 5.2.5安装导管  PAGEREF _Toc417484505 \h 11  HYPERLINK \l _Toc417484506 5.2.6二次清孔  PAGEREF _Toc417484506 \h 11  HYPERLINK \l _Toc417484507 5.2.7灌注水下砼  PAGEREF _Toc417484507 \h 12  HYPERLINK \l _Toc417484508 6．质量控制及检验  PAGEREF _Toc417484508 \h 14  HYPERLINK \l _Toc417484509 7．安全及环保要求  PAGEREF _Toc417484509 \h 15  HYPERLINK \l _Toc417484510 7.1安全要求  PAGEREF _Toc417484510 \h 15  HYPERLINK \l _Toc417484511 7.2环保要求  PAGEREF _Toc417484511 \h 15  钻孔桩（冲击钻）施工作业指导书 1．适用范围 本作业指导书适用于黔张常铁路站前-Ⅲ标，一分部桥梁（石门坎大桥、庙坝槽大桥、梨树坨特大桥、生基坪大桥、刺竹垭大桥、庙坝槽大桥、石板村大桥、蓝田湾中