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路基工程作业指导书(更新).pdf

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路基工程作业指导书(更新).pdf

1目录第一章水泥粉煤灰碎石桩(CFG)施工作业指导书...................................11.1工艺概况...................................................................11.2编制依据...................................................................11.3作业内容...................................................................11.4材料要求...................................................................11.5施工工艺流程及工艺要求......................................................11.6质量控制与检验..............................................................41.7劳动力组织及设备配置........................................................71.8安全及环境保护措施..........................................................71.9成品保护...................................................................81.10质量记录..................................................................8第二章水泥搅拌桩作业指导书....................................................92.1工艺概况...................................................................92.2编制依据...................................................................92.3作业内容...................................................................92.4材料要求...................................................................92.5施工工艺流程及工艺要求......................................................92.6质量控制及检验.............................................................122.7劳动力组织及设备配置.......................................................152.8安全及环境保护措施.........................................................152.9成品保护..................................................................162.10质量记录.................................................................16第三章旋喷桩施工作业指导书...................................................183.1工艺概况..................................................................183.2编制依据..................................................................183.3作业内容..................................................................183.4材料要求..................................................................183.5施工工艺流程及工艺要求.....................................................183.6质量控制及检验.............................................................213.7劳动力组织及设备配置.......................................................2223.8安全及环境保护措施.........................................................223.9成品保护..................................................................233.10质量记录.................................................................23第四章冲击碾压施工作业指导书.................................................244.1工艺概况..................................................................244.2编制依据..................................................................244.3作业内容..................................................................244.4材料要求..................................................................244.5施工工艺流程及工艺要求.....................................................244.6质量控制及检验.............................................................264.7劳动力组织及设备配置.......................................................284.8安全及环境保护措施.........................................................294.9成品保护..................................................................294.10质量记录.................................................................30第五章桩板结构施工作业指导书.................................................315.1工艺概况..................................................................315.2编制依据..................................................................315.3作业内容..................................................................315.4材料要求..................................................................315.5施工工艺流程及工艺要求.....................................................315.6质量控制及检验.............................................................325.7劳动力组织及设备配置.......................................................345.8安全及环境保护措施.........................................................355.9成品保护..................................................................355.10质量记录.................................................................36第六章褥垫层夹铺土工格栅施工作业指导书.......................................376.1工艺概况..................................................................376.2编制依据..................................................................376.3作业内容..................................................................376.4材料要求..................................................................376.5施工工艺流程及工艺要求.....................................................376.6质量控制及检验.............................................................3836.7劳动力组织及设备配置.......................................................406.8安全及环境保护措施.........................................................406.9成品保护..................................................................406.10质量记录.................................................................40第七章A、B组土填筑施工作业指导书...........................................417.1工艺概况..................................................................417.2编制依据..................................................................417.3作业内容..................................................................417.4填料要求..................................................................417.5施工工艺流程及工艺要求.....................................................417.6质量控制及检验.............................................................457.7劳动力组织及机械设备配置...................................................467.8安全和环保要求.............................................................487.9成品保护..................................................................487.10质量记录.................................................................49第八章过渡段施工作业指导书...................................................508.1工艺概述..................................................................508.2编制依据..................................................................508.3作业内容..................................................................508.4过渡段填料要求.............................................................508.5施工工艺流程及工艺要求.....................................................508.6过渡段施工控制及质量检测...................................................628.7劳动力组织及机械设备配置...................................................668.8安全及环保措施.............................................................688.9成品保护..................................................................698.10质量记录.................................................................69第九章基床表层级配碎石施工作业指导书.........................................719.1工艺概况..................................................................719.2编制依据..................................................................719.3作业内容..................................................................719.4基床表层级配碎石填料要求...................................................719.5施工工艺流程及工艺要求.....................................................7249.6基床表层级配碎石质量控制与检测.............................................759.7劳动力组织及机械设备配置...................................................779.8施工安全及环境保护.........................................................789.9成品保护..................................................................789.10质量记录.................................................................79第十章基床表层沥青混凝土防水层施工作业指导书.................................8010.1工艺概况.................................................................8010.2编制依据.................................................................8010.3作业内容.................................................................8010.4基床表层沥青混凝土材料要求................................................8010.5施工工艺流程及工艺要求....................................................8010.6质量控制与检测............................................................8510.7安全及环保措施............................................................86第十一章路堑施工作业指导书...................................................8811.1工艺概况.................................................................8811.2编制依据.................................................................8811.3作业内容.................................................................8811.4路堑施工的一般规定........................................................8811.5施工工艺及技术要求........................................................8911.6质量控制与检测............................................................9611.7劳动力组织及机械设备配置..................................................9711.8施工安全及环保要求........................................................9811.9成品保护................................................................10011.10质量记录...............................................................100第十二章路基防护工程施工作业指导书..........................................10112.1工艺概况................................................................10112.2编制依据................................................................10112.3作业内容................................................................10112.4路基防护及支挡的一般规定.................................................10112.5边坡防护施工工艺流程及工艺要求...........................................10212.6质量控制及检验...........................................................10912.7劳动力组织及机械设备配置.................................................112512.8施工安全及环保措施.......................................................11312.9成品保护................................................................11412.10质量记录...............................................................114第十三章路基排水工程施工作业指导书..........................................11613.1工艺概况................................................................11613.2编制依据................................................................11613.3作业内容................................................................11613.4材料要求................................................................11613.5施工工艺流程及工艺要求...................................................11613.6质量控制及检验...........................................................12113.7劳动力组织主机械设备配置.................................................12213.8施工安全及环保要求.......................................................12213.9成品保护................................................................12313.10质量记录...............................................................123第十四章路基相关工程施工作业指导书..........................................12514.1工艺概况................................................................12514.2编制依据................................................................12514.3作业内容................................................................12514.4材料要求................................................................12514.5施工工艺流程及工艺要求...................................................12514.6质量控制与检验...........................................................13114.7劳动力组织及机械设备配备.................................................13214.8施工安全与环保要求.......................................................13314.9成品保护................................................................13314.10质量记录...............................................................134第十五章锚杆框架梁工程施工作业指导书........................................13515.1目的....................................................................13515.2编制依据................................................................13515.3适用范围................................................................13515.4施工工艺及技术要求.......................................................13515.5作业组织................................................................14115.6施工机具配置.............................................................141615.7质量控制及标准...........................................................14115.8施工安全及环境保护.......................................................142第十六章路基岩溶处理作业指导书..............................................14316.1工艺概况................................................................14316.2编制依据................................................................14316.3适用范围................................................................14316.4施工工艺及技术要求.......................................................14316.5劳动组织................................................................14516.6材料要求................................................................14516.7设备机具配置.............................................................14516.8质量控制及检验...........................................................14516.9安全及环保要求...........................................................146第十七章沉降观测作业指导书..................................................14817.1沉降观测工艺简介.........................................................14817.2编制依据................................................................14817.3适用范围................................................................14817.4仪器设备及人员要求.......................................................14817.5沉降监测工艺流程.........................................................14917.6监测断面的设置及监测元件的选取和埋设.....................................14917.7沉降监测................................................................15217.8测量观测资料整理及提交资料...............................................155中铁二十二局集团沪昆铁路客运专线CKGZTJ12标段路基工程作业指导书1第一章水泥粉煤灰碎石桩(CFG)施工作业指导书1.1工艺概况水泥粉煤灰碎石桩是由碎石、砂、粉煤灰,与适量水泥和水拌制而成。通过桩体与桩间土体共同作用,组成水泥粉煤灰桩复合地基。加固处理后,地基承载力可达到200KPa以上。水泥粉煤灰碎石桩常用的施工方法有振动沉管灌注成桩和长螺旋钻孔内灌注成桩。水泥粉煤灰碎石桩具有施工操作简单、加固效果好、节省材料、无污染等特点,广泛应用于地基加固。水泥粉煤灰碎石桩(CFG桩)适用于加固淤泥、粘性土、粉土、砂性土、杂填土及湿陷性黄土,用以提高地基承载力和减少地基沉降变形。本作业指导书适用于CKGZTJ12标CFG桩施工。1.2编制依据高速铁路路基工程施工质量验收标准TB107512010高速铁路路基工程施工技术指南铁建设2010241号新建沪昆铁路施工图及其它设计文件1.3作业内容测量放样钻机就位钻孔或沉管压灌拌合料或投料拔管成桩验收。1.4材料要求桩体主体材料为碎石,应符合设计级配要求选用的水泥、粉煤灰、及外加剂等原材料应符合设计要求,并按相关规定进行检验。1.5施工工艺流程及工艺要求1.5.1施工准备1、核查地质资料,结合设计参数,选择合适的施工机械和施工方法。2、进行满足桩体设计强度的配合比试验,确定各种材料的施工用配比。3、平整场地,清除障碍物,标记处理场地范围内地下构造物及管线。4、测量放线,定出控制轴线、打桩场地边线并标识。5、施工前清除地表耕植土,进行成桩工艺试验,确定施工工艺和参数。1.5.2施工顺序CFG桩施工一般优先采用间隔跳打法,也可采用连打法。具体的施工方法由现场试验来确定。连打法易造成邻桩被挤碎或缩颈,在粘性土中易造成地面隆起跳打法不易发生上述现象,但土层较硬时,在已打桩中间补打新桩,可能造成已打桩被振裂或振断。在软土中,桩距较大可采用隔桩跳打,但施工新桩与已打桩时间间隔不少于

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