高压旋喷地基加固施工方案方案

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《工程测量规范》（GB

前滩37#地块

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qu

2.2

工程地质及水文条件2.2.1

地形地貌

层号①1①2

名称杂素填土

层厚(m)0.70~1.50

1.021.20~1.74

1.74

土层描述主要为混凝土地坪及建筑垃圾等土质松散，含植物根茎等①3

浜填土

0.60~2.10

1.20

以灰色填土为主，土质松散，含有机质及植物根茎②

褐黄-灰黄色

含云母、氧化铁斑点及含铁锰质结0.80~2.80

1.87粉质粘土

核③③夹

灰色淤泥质粉质粘土灰色粘质粉土

0.70~3.60

2.04

含云母、有机质，夹薄层粉性土0.80~1.80

1.14

含云母、局部夹薄层粘性土④

灰色淤泥质

含云母，偶夹薄层状粉砂，属高压4.80~6.70

5.80粉质粘土

缩性

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⑤1

灰色粘土

2.20~3.60

2.63

碎片⑤2a

灰色砂质粉

5.90~12.1土

0

7.70

含云母、夹薄层粘性土及少量粉砂⑤2b⑤2c

灰色粉质粘土

2.20~6.80

4.12夹砂质粉土12.60~26.灰色粉砂

19.3300

含云母、有机质，层中夹薄层砂粉含云母、石英与矿物质，局部夹粘性土⑤3a

灰色粉质粘

1.60~11.9土

0

5.49

含云母、有机质，局部夹薄层粉土⑤3b⑦⑨

灰色粉质粘5.40~10.2土

7.720夹砂质粉土7.60~11.0灰色粉砂

9.310灰色粉砂

未钻穿

含云母、有机质，夹砂互层，具交错层理含云母、石英、长石等含云母、石英、长石等矿物颗粒2.2.2

地下水3～3.7m，稳定水位

0.6～0.81m。本场地为Ⅲ类环境，浅层地下水对混凝土有微腐蚀性，地2、(微)承压水：本场地自然地面以下深度分别约

18.0m、33.0m

的第⑤2a层砂质粉土、⑤2c

2.2.3

不良地质条件

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3.3.1

技术准备

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3.3.2

机械设备配备

SJBIIXPB6m

3.3.3

主要材料计划

3.3.4

施工准备阶段注意事项

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处理障碍物

测量放样

旋喷机就位

设备调试下旋喷管

旋喷提升

配送浆液

排污及出土