施工风险分析及应对措施

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施工风险分析及对策

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二〇一九年七月

目 录

一、施工风险分析及对策 ...................................................................................................................................1

1. 深基坑施工 .....................................................................................................................................................1

1.1 地连墙钢筋笼吊装 ...............................................................................................................................1

1.1.1 施工风险分析 ...........................................................................................................................1

1.1.2 应对措施 ...................................................................................................................................1

1.2 地下连续墙槽壁坍塌 ...........................................................................................................................2

1.2.1 施工风险分析 ...........................................................................................................................2

1.2.2 应对措施 ...................................................................................................................................2

1.3 基坑失稳 ...............................................................................................................................................2

1.3.1 施工风险分析 ...........................................................................................................................2

1.3.2 应对措施 ...................................................................................................................................2

1.4 土方开挖土体失稳 ...............................................................................................................................3

1.4.1 施工风险分析 ...........................................................................................................................3

1.4.2 应对措施 ...................................................................................................................................3

1.5 围护结构渗漏 .......................................................................................................................................3

1.5.1 施工风险分析 ...........................................................................................................................3

1.5.2 应对措施 ...................................................................................................................................3

1.6 基坑突涌、周边地层沉降 ...................................................................................................................4

1.6.1 施工风险分析 ...........................................................................................................................4

1.6.2 应对措施 ...................................................................................................................................4

1.7 机械伤害 ...............................................................................................................................................4

1.7.1 施工风险分析 ...........................................................................................................................4

1.7.2 应对措施 ...................................................................................................................................4

2. 盾构施工 .........................................................................................................................................................5

2.1 盾构设备起重吊装 ...............................................................................................................................5

2.1.1 施工风险分析 ...........................................................................................................................5

2.1.2 应对措施 ...................................................................................................................................5

2.2门式起重机安装与拆除 ........................................................................................................................5

2.2.1 施工风险分析 ...........................................................................................................................5

2.2.2 应对措施 ...................................................................................................................................6

2.3 材料、设备垂直运输 ...........................................................................................................................6

2.3.1 施工风险分析 ...........................................................................................................................6