大体积混凝土专项施工方案3VIP免费

工程第一标段进口段底板大体积混凝土专项施工方案编制：审核：批准：*＊公司*＊＊工程项目经理部2016年1月30日目录一、工程概况···································································································0二、编制依据···································································································0三、工程施工特点·····························································································0四、施工准备···································································································1五、施工方法···································································································2六、温控措施··································································································11七、冬季施工措施····························································································12八、突发不能连续施工情况的应急措施································································12九、质量保证措施····························································································13十、安全管理措施····························································································14十一、文明施工环境保护措施············································································15一、工程概况本工程为＊＊＊*＊*工程施工第一标段工程，其中进口段底为拆除重建项目.底板顶面高程为31。6m（吴淞高程系）.底板中间厚为1.4m，前后设有齿槽，前齿槽（紧临闸室段底板)底宽为4m，顶宽为5m，深0。7m，此段为闸墩延长段；后齿槽底宽为1.5m，顶宽为2。2m，深0。7m.底板平面为正梯型设计，其上宽23。58m，下宽27.12m，长15m。底板及齿槽下设10厚C10标号素混凝土垫层.根据规范(《大体积混凝土施工规范》GB50496-2009）要求，混凝土结构物实体最小几何尺寸不小于1m为大体积混凝土，混凝土浇筑时，需按照大积混凝土施工规范进行组织施工.进口段底板混凝土浇筑量为650m3，按照平均13m3/台时的浇筑速度需连续浇筑50个小时.计划于2015年2月1日开始浇筑至2月3日浇筑完成。二、编制依据1.设计施工图，设计技术说明；2。水工混凝土施工规范DL/T5144-2001;3.水利水电工程施工检验与评定规程SL-176—2007;4。大体积混凝土施工规范GB50496-2009三、工程施工特点1.基坑较深，建基面最低处高程为29.5m，自然地面35。1m，基坑深度5.6m。2。混凝土标号为C25。结构实体最小几何尺寸不小于1m，属于大体积混凝土，本工程底板、墙体均属于大体积混凝土.要考虑大体积混凝土温控措施，防止温度裂缝.3。施工...