四川省大渡河沙坪二级水电站导流明渠结构施工技术要求50p

四川省大渡河沙坪二级水电站导流明渠结构施工技术要求二○一一年七月·杭州核定：审查：校核：编写：目录1编制说明·······························································································12总则··································································································13固结灌浆和帷幕灌浆················································································33.1材料·····························································································33.2灌浆孔的钻孔····················································································43.3钻孔冲洗和压水试验··········································································63.4灌浆试验··························································································73.5制浆·····························································································83.6基岩固结灌浆····················································································83.7基岩帷幕灌浆···················································································103.8灌浆工程验收···················································································124混凝土工程···························································································124.1常态混凝土······················································································124.2模板····························································································294.3钢筋····························································································324.4锚筋····························································································354.5分缝和止水······················································································364.6混凝土温度控制················································································375安全施工······························································································396环境保护······························································································406.1生态环境保护···················································································416.2水环境保护······················································································426.3声环境保护······················································································436.4空气污染控制···················································································436.5大气污染防治措施·············································································436.6固体废弃物处置················································································447验收·································································································447.1验收一般要求···················································································447.2工序验收检查···················································································457.3单元工程验收···················································································457.4分部工程验收···················································································467.5工程竣工验收及需要的资料································································46四川省大渡河沙坪二级水电站中国水电顾问集团华东勘测设计研究院导流明渠结构施工技术要求11编制说明1.1本技术要求适用于沙坪二级水电站导流明渠的固结灌浆、帷幕灌浆、混凝土浇筑等的施工，其他施工详见各相关技术要求。1.2本技术要求适用的工程项目有导流明渠上、下游导墙、明渠左、右侧护岸衬砌、明渠底板衬砌、纵向预留岩坎防渗处理等。1.3除本技术要求外，导流明渠结构施工还应遵照招标文件技术条款和相关规程、规范的有关规定执行。若本施工技术要求中有关质量验收标准的相关内容与合同条款不一致，则以合同条款为准。2总则2.1本技术要求配合施工图纸、设计通知单等文件使用，并遵守合同文件有关规定。2.2承包人、设计、监理工程师均应以本要求为依据进行施工质量控制及验收。2.3施工中如实际情况与设计条件不符时，重大问题的修改，监理工程师应会同设计、承包人共同研究，由设计单位提出修改设计文件。重大问题的修改，须报业主批准。2.4承包人应按照施工图纸和本技术要求，结合工程特点和本单位实际情况编制整体和分部施工技术措施和进度计划，报监理工程师批准。2.5严格按照设计图和本技术要求施工，建立健全施工质量管理制度，切实把好施工质量关。承包人应严格执行“三检”制度，做好交班检查与工序检查，坚持“上一道工序验收合格后才能进入下一道工序施工”。2.6承包人应重视各岗位技术培训，合格者才能上岗。并应加强技术管理，做好原始资料记录、整理和工程总结工作。2.7承包人应贯彻“安全第一、预防为主”的方针。并应制定安全技术措施，对施工人员进行安全教育。施工中应认真执行安全操作规程，严格遵守劳动保护法令和卫生标准，不断改善劳动条件，防止伤亡事故和职业病的发生，做到文明施工。2.8对可能影响施工及危害永久建筑物安全的渗漏水、地下水或泉水，应按设计要求进行封堵或引排。2.9业主组织的各种材料以及承包人经批准外购的材料均应有出厂检验证明和品质试验报告。在进场入库后尚应按有关规程规范的要求进行抽样检验，经监理工程师审核批准后才能使用。承包人应详细记录每批材料的使用部位、用量的情况。四川省大渡河沙坪二级水电站中国水电顾问集团华东勘测设计研究院导流明渠结构施工技术要求22.10承包人在施工过程中应采取必要的环境保护、水保措施等措施，在保证质量、安全等基本要求的前提下，最大限度地节约资源与减少施工活动的负面影响。2.11本技术要求引用如下标准(不限于)：《工程建设标准强制性条文》（电力工程部分）2006年版《水电工程施工组织设计规范》(DL/T5397-2007)《水电水利工程施工测量规范》(DL/T5173-2003)《水利水电工程地质勘察规范》(GB50287-1999)《水电水利工程施工地质规程》(DL/T5109-1999)《土工试验规程》（SL237-1999）《硅酸盐水泥、普通硅酸盐水泥》(GB175-1999)《水工混凝土砂石骨料试验规程》(DL/T5151-2001)《水工混凝土试验规程》(DL/T5150-2001)《水工混凝土外加剂技术规程》(DL/T5100-1999)《水工混凝土掺用粉煤灰技术规范》(DL/T5055-2007)《混凝土拌和用水标准》(JGJ63-2006)《水工混凝土水质分析试验规程》(DL/T5152-2001)《水工混凝土结构设计规范》(DL/T5057-1996)《水工混凝土施工规范》(DL/T5144-2001)《水利水电工程模板施工规范》(DL/T51l0-2000)《水工混凝土钢筋施工规范》(DL/T5169-2002)《混凝土质量控制标准》(GB50l64-1992)《水工建筑物水泥灌浆施工技术规范》(DL/T5148-2001)《水电水利工程钻孔压水试验规程》(DL/T5331-2005)《水电水利岩土工程施工及岩体测试造孔规范》(DL/T5125-2001)《水电站基本建设工程验收规程》(DL/T5123-2000)《混凝土结构工程施工及验收规范》(GB50204-2002)《水利水电工程施工质量检验与评定规程》(SL176-2007)《水电水利基本建设工程单元工程质量等级评定标准(一)》(DL/T5113.1-2005)《水电水利基本建设工程单元工程质量等级评定标准(八)》(DL/T5113.8-2000)四川省大渡河沙坪二级水电站中国水电顾问集团华东勘测设计研究院导流明渠结构施工技术要求-3-3固结灌浆和帷幕灌浆本技术要求的灌浆指的是明渠上下游导墙基础处理和纵向预留岩坎防渗处理，内容包括：(1)钻孔：包括灌浆孔、观测孔、检查孔的