深基坑钻孔桩钢支撑施工方案.doc

目 录 TOC \o 1-2 \h \z \u HYPERLINK \l _Toc399766581 1 编制依据及原则 PAGEREF _Toc399766581 \h 2 HYPERLINK \l _Toc399766582 1.1 编制依据 PAGEREF _Toc399766582 \h 2 HYPERLINK \l _Toc399766583 1.2 编制原则 PAGEREF _Toc399766583 \h 2 HYPERLINK \l _Toc399766584 2 工程概况 PAGEREF _Toc399766584 \h 2 HYPERLINK \l _Toc399766585 2.1 工程简介 PAGEREF _Toc399766585 \h 2 HYPERLINK \l _Toc399766586 2.3水文地质情况 PAGEREF _Toc399766586 \h 4 HYPERLINK \l _Toc399766587 3总体施工部署 PAGEREF _Toc399766587 \h 5 HYPERLINK \l _Toc399766588 3.1总体施工方法 PAGEREF _Toc399766588 \h 5 HYPERLINK \l _Toc399766589 3.2 施工机械及人员安排 PAGEREF _Toc399766589 \h 6 HYPERLINK \l _Toc399766590 3.3 主要工程数量及主要材料 PAGEREF _Toc399766590 \h 8 HYPERLINK \l _Toc399766591 4 施工方案 PAGEREF _Toc399766591 \h 9 HYPERLINK \l _Toc399766592 4.1 基坑施工顺序 PAGEREF _Toc399766592 \h 9 HYPERLINK \l _Toc399766593 4.2 钻孔灌注桩及冠梁施工 PAGEREF _Toc399766593 \h 10 HYPERLINK \l _Toc399766594 3）钻孔 PAGEREF _Toc399766594 \h 21 HYPERLINK \l _Toc399766595 5）浆液配制 PAGEREF _Toc399766595 \h 21 HYPERLINK \l _Toc399766596 6）喷射作业 PAGEREF _Toc399766596 \h 21 HYPERLINK \l _Toc399766597 7）冲洗 PAGEREF _Toc399766597 \h 22 HYPERLINK \l _Toc399766598 8）移动机具 PAGEREF _Toc399766598 \h 22 HYPERLINK \l _Toc399766599 4.3 降水井施工 PAGEREF _Toc399766599 \h 23 HYPERLINK \l _Toc399766600 4.4土方开挖方案 PAGEREF _Toc399766600 \h 26 HYPERLINK \l _Toc399766601 4.5 钢支撑加工与安装 PAGEREF _Toc399766601 \h 33 HYPERLINK \l _Toc399766602 4.6预应力锚索施工 PAGEREF _Toc399766602 \h 36 HYPERLINK \l _Toc399766603 4.7 管线保护 PAGEREF _Toc399766603 \h 41 HYPERLINK \l _Toc399766604 5 关于噪声、扬尘、污水、弃碴等的防范措施 PAGEREF _Toc399766604 \h 41 HYPERLINK \l _Toc399766605 5.1 预防噪音的措施 PAGEREF _Toc399766605 \h 41 HYPERLINK \l _Toc399766606 5.2 扬尘以及大气污染控制措施 PAGEREF _Toc399766606 \h 41 HYPERLINK \l _Toc399766607 5.3 预防地表水和地下水污染的措施 PAGEREF _Toc399766607 \h 41 HYPERLINK \l _Toc399766608 5.4 弃碴和建筑垃圾处理 PAGEREF _Toc399766608 \h 42 HYPERLINK \l _Toc399766609 5.5 防振动措施 PAGEREF _Toc399766609 \h 42 HYPERLINK \l _Toc39