桩基施工组织设计

                                        目

     录

1 编制依

据

......................................................................................................................... 1

2 适用范

围

......................................................................................................................... 1

3 施工方法及工艺要

求

..................................................................................................... 1

３

.1 施工准

备

................................................................................................................... 1

3.2 埋设护

筒

..................................................................................................................... 2

3.3 钻机就位及钻

孔

......................................................................................................... 3

3.4 清

孔

............................................................................................................................. 4

3.5 钢筋笼骨架的制作安

装

............................................................................................. 4

3.6 导管安

装

..................................................................................................................... 6

3.7 灌注水下混凝

土

......................................................................................................... 6

4 质量检

测

......................................................................................................................... 9

5 钻孔桩常见事故的预防及处

理

..................................................................................... 9

5.1 钢筋笼上

浮

............................................................................................................... 10

5.2 坍

孔

........................................................................................................................... 10

5.3 钻孔偏

斜

................................................................................................................... 11

5.4 扩孔和缩

孔

............................................................................................................... 12

5.５ 钻孔漏

浆

................................................................................................................. 13

6 钻孔桩断桩常见事故及处

理

....................................................................................... 13

6.1 首批混凝土封底失

败

............................................................................................... 13

6.2 供料和设备故障使灌注停

工

................................................................................... 14