中铁六局集团有限公司赣深铁路工程指挥?/p>
新建赣深铁路
GSSG-3
标钻孔灌注桩试桩方案
-1-
?/p>
?/p>
1
编制说明
................................................................
1
1.1
编制依据
............................................................
1
1.2
编制范围
............................................................
1
1.3
编制目的
.............................................................
1
2
工程概况及地质资?/p>
.
......................................................
2
2.1
工程概况
............................................................
2
2.2
地质资料
.............................................................
2
3
施工组织及施工安?/p>
.
......................................................
3
4
旋挖钻孔施工
............................................................
7
4.1
施工流程
.............................................................
7
4.2
施工准备
.............................................................
7
4.2.1
技术准?/p>
.........................................................
7
4.2.2
机械设备准备
.....................................................
8
4.2.3
测量准备
.........................................................
8
4.2.4
试验准备
.........................................................
8
4.2.5
物质材料准备
.....................................................
9
4.3
施工便道
.............................................................
9
4.4
施工场地布置
.........................................................
9
4.5
测量放样
.............................................................
9
4.6
钢护筒制作及埋设
....................................................
10
4.7
钻机就位
............................................................
10
4.8
钻进成孔
............................................................
10
4.8.1
泥浆制备
........................................................
10
4.8.2
钻进
............................................................
11
4.9
终孔
................................................................
14
4.10
清孔及检?/p>
.........................................................
14
5
冲击钻孔施工
...........................................................
15
5.1
冲击钻孔施工工艺
.
...................................................
15
5.2
施工准备
............................................................
16
5.3
护筒埋设
............................................................
16
5.4
钻孔
................................................................
16
5.5
成孔检测、清?/p>
......................................................
18
5.6
冲击钻钻孔注意事?/p>
..................................................
19
6
水下混凝土浇?/p>
..........................................................
20
6.1
钻孔桩质量检验标?/p>
.
.................................................
20
6.2
钢筋骨架的吊?/p>
......................................................
23
6.3
导管的吊?/p>
..........................................................
23
6.4
灌注水下混凝?/p>
......................................................
24
7.
桩基检?/p>
...............................................................
27
8
注意事项
...............................................................
29
9
资料的归档整?/p>
..........................................................
30
10
成桩分析
..............................................................
31