旋挖成孔桩施工方案0317VIP免费

实验中学校（暂定名）工程编制单位：编制日期：年月日目录第一章工程概况..............................................-1-1.1参建单位.............................................-1-1.2项目概况.............................................-1-1.3现场施工条件.........................................-2-1.4场地地形、地貌及工程地质条件.........................-2-第二章编制依据..............................................-6-2.1编制原则.............................................-6-2.2编制依据.............................................-6-第三章施工总体目标..........................................-8-3.1工期目标.............................................-8-3.2质量目标.............................................-9-3.3安全目标.............................................-9-3.4环境保护及文明施工目标...............................-9-3.5职业健康安全目标.....................................-9-第四章施工工艺技术.........................................-10-4.1施工工艺流程........................................-10-4.2施工准备............................................-10-4.3桩位放样............................................-13-4.4钻机就位............................................-14-4.5埋设护筒............................................-14-4.6钻进成孔............................................-15-4.7清孔、验收..........................................-16-4.8岩芯取样及检测......................................-17-4.9钢筋笼制安..........................................-17-4.10下导管.............................................-23-4.11混凝土浇筑.........................................-25-4.12拔管、拔护筒.......................................-28-4.13声测...............................................-28-第五章水下砼施工工艺.......................................-29-5.1采用范围............................................-30-5.2施工准备............................................-30-5.3水下砼主要施工方法..................................-30-第六章安全文明施工保证措施.................................-33-6.1安全生产保证措施....................................-33-6.2文明施工措施........................................-39-6.3环境保护及环卫管理的保证措施........................-40-第七章质量保障措施.........................................-44-7.1质量目标............................................-44-7.2质量保证措施........................................-45-7.3验收标准............................................-49-第八章施工中可能出现的问题及预防措施.......................-49-8.1塌孔................................................-49-8.2缩孔................................................-50-8.3钢筋笼上浮..........................................-51-8.4夹泥断桩............................................-52-8.5沉渣厚度超标........................................-53-8.6桩孔偏移倾斜防治....................................-53-8.7卡钻、埋钻和掉钻防治................................-54-8.8钢筋笼运输变形、偏位防治............................-54-8.9导管通病防治........................................-54-第九章应急预案.............................................-56-9.1编制依据............................................-56-9.2编制原则............................................-56-9.3组织机构及分工......................................-56-9.4危险源分析............................................