深基坑安全专项施工方案
6.6.2 施工方法....................................................................................................................................30
6.7
降水与排水施工....................................................................................................................................33
6.7.1 基坑顶、基坑底排水施工.......................................................................................................34
6.7.2 集水坑施工................................................................................................................................34
6.8
基坑临边防护及上下斜道....................................................................................................................34
6.8.1 基坑临边防护...........................................................................................................................34
6.8.2 基坑上下斜道...........................................................................................................................36
第7章 质量标准...................................................................................................................................................37
7.1
基坑开挖质量验收标准........................................................................................................................37
7.2
冠梁.........................................................................................................................................................37
7.3
桩间板.....................................................................................................................................................39
7.4
锚索.........................................................................................................................................................40
7.4.1 验收程序及内容.......................................................................................................................40
7.4.2 质量验收标准...........................................................................................................................40
7.5
验收人员组成........................................................................................................................................41
第8章 质量保证措施...........................................................................................................................................41
8.1
基坑开挖质量控制措施........................................................................................................................41
8.1.1 冠梁质量保证措施...................................................................................................................42
8.1.2 桩间板质量保证措施...............................................................................................................42
8.1.3 锚索质量保证措施...................................................................................................................43
第9章 安全保证措施...........................................................................................................................................44
9.1
土方开挖安全保证措施........................................................................................................................44
9.2
基坑支护安全措施................................................................................................................................45
9.3
安全技术交底........................................................................................................................................46
9.4
基坑限载措施........................................................................................................................................46
第10 章 危险源识别及预防措施.........................................................................................................................46
10.1
危险源辨识...........................................................................................................................................46
10.2
预防措施...............................................................................................................................................47
10.2.1 基坑坍塌预防措施.................................................................................................................47
10.2.2 触电伤害预防措施.................................................................................................................48
10.2.3 机械伤害预防措施.................................................................................................................49
10.2.4 行为性伤害预防措施.............................................................................................................49
10.2.5 高处坠落预防措施.................................................................................................................49
10.2.6 物体打击..................................................................................................................................50
10.2.7 基坑安全措施.........................................................................................................................51
第11 章 基坑监控监测.........................................................................................................................................51
11.1
第三方监控监测...................................................................................................................................51
11.2
项目部监控监测...................................................................................................................................51
11.2.1 监测说明..................................................................................................................................51
11.2.2 监测仪器设备.........................................................................................................................52
11.2.3 监测内容及方法.....................................................................................................................52
11.2.4 监测点的布置.........................................................................................................................53
11.2.5 监测频率..................................................................................................................................53
11.2.6 监测报警值.............................................................................................................................53