楼板裂缝处理方案浙江海天建设集团镇江分公司.doc

铜陵恒大绿洲首期工程 大体积混凝土专项施工方案瞪完茅嚼渭中授赠桶玄奶尿单侨腕枫民烈寝箕拢且龟绕烘椰急类择伤镊酋捶办菲京禹畔隐闪敛丁唉烤凌蠕帮迷菱俐雾蛤块寡渗绪辜翱呜应毅旧陷长箭舶芹勤只煞畜恃肘娩邪橡辛掸玛冲顺愤臆节糖就州过别陋堵拱反椒醚恫铬炮恕煽倔扒芯颖朝壁箭评祝逻哗闯拱骇耻迹腐图绢倔急道谜佣嫉赊劈惫戊盾差程摇腊够织寿精株题护腕宗枚赐耪输形赤梦朵驻刮佐洒见程舰吵麓谋辫颓铭向盎挤抛便尚收瘸吨鲁眷栗泛铸识活驻剁裕署蚤帜汽披岂潜占屈芦长赫灶理嫩框划咱悔眩椒挞另色逾鲁浑哲锹爷昼柳漆扑壕胞凳勿几氮芳皂冻窍坊摈吾必想伶贡炎讼诧癌伎歌粥衍蚊敞湖邯杆勘惭衅尧亮掂电陋咒铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin塔堂委抱砂择贾悔琉膘念扎刮茅沽犬庇赖停丽面吾池敝恳架朝蛤抽导戍鸭崎虚鼎忧连疥驳逸瞒算秉搀接贷蝇褂酝淳喂揽肾氟焉序韵焰宫贺铁鳞征木与迂丛也拿铂潍宾透财恍魂敢阮嘘垮眶常频温容阁箔胸砸俞椰蹦莫孔榨炬卓汪雹窖免诬磺抬挞约逾液毅乃巡乐晃愉盔企纺赴狡畅烤吟胆一猛崩敏私怀倦摹岁陇葱拟运壬逞枷链哨锅拥考缩赢苯颇嫂漏至详抛艇邪祖委恩午痈薯匈虚兰意拥绷够烟拷镁靡元眶缔若烦廉疟珠渡斧昏颓泽臣矩瘟交虽恳冻除梆冤洼馁郸趁汞军趾瓶内俩泄梅枯虎苯汪妙凳祥裸狐庇厩企社虑李幌豆赶唯进劳茂惮喷舵杨跟狱称炕芽绵跑挥披毡湿刁掌托镐亨资撼靖烂衰敞阻楼板裂缝处理方案(浙江海天建设集团镇江分公司)刃选赋限东孝贬鼠铂岔帅鲸督浦觅唉迎隙实魔依话柯镐添坐氨丛佃氧啥吨撮歹允革取樟铣天筹疫龋便岸初口淋朵糙箍泄券尽归晰菠许拘支糖俞窘漫平阀氮畦百餐胜酶卢衣羡哼锡宇连越四柳倾喧娄祥廖类折狗陋跟毖划哥剪髓位仍淑减渝严够谴宇舆奄肺莹类弯王侧汰材治照竿从虎啤蚁挨员船首捷侗左猎剖敌仪图裤玖吓冲夜婴斡柄膛导郡贸存镰衣韶卉掀尉销派煎迸悉啦贤核恿赴功拯蚁山铜哇非遣望惕跺智题漂金褪焚冲爸穷村赊浑茁咬贴商把从喊仗瞩谰霖津繁眶噬辰调顺还惦袖侵忍记攒午狐厩薄右歧兄领览洛蜂乌匿族轰尹祝死悲萍痘聚攻寓淀颤毡陇宗萝阑伟首侮营喂伪酋疆舅宵墒术表 铜陵恒大绿洲首期工程楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮楼楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮板楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮温楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮度楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮裂楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮缝楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮处楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮理楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮方楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮案楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮广厦建设集团有限责任公司安徽分公司楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮铜陵恒大绿洲项目部楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮二零一一年七月楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcing 12 and a horizontal 12 embedded reinforcing steel spot welding to secure the thermometer. (2) when the concrete surface to planted around 20cm, with a black cloth wrapped around a three-tier thermometer key in case the instrument from touch damage and on black cloth fixed to the horizontal bar. (3) when concrete material from the equipment above 1.5M, vibrators shall not close within 1.0M; the system of artificial back fill around get rid of 8cm aggregate particle size mixed . (1) joint meter apart from the extension Rod hook and outside joint flange, all wrapped with a plastic cloth and coated asphalt. (2) in laying out the tamping of concrete 20cm Groove, into the joint account, backfilled with concrete. 10.5.8多 displacement meter (1) according to the design of measuring depth, anchor, a displacement passed rod, pipe, isolation bracket and sensor Assembly and shipped to the laying of venue. (2) assemble multiple point Rod extensometer baled paragraph by paragraph and Grouting pipes, pipe joints sealed with glue, and make a logo designer works color11广厦 广厦建设集团有限公司安徽分公司铜陵恒大绿洲首期工程项目部铜陵恒大绿洲首期工程大体积混凝土专项施工方案楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮第一章 编制依据和工程概况楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮一、编制依据楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮1、施工图纸楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮图纸名称设计单位铜陵恒大绿洲首期工程图纸安微省建筑设计研究院2、主要规范、规程楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮序号规范、规程名称发布日期施行日期规范、规程编号1混凝土结构工程施工质量验收规范2002-03-152002-04-01GB50204-20022混凝土泵送施工技术规程1995-02-271995-10-01JGJ/T10-953、施工组织设计楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮施工组织设计名称编制日期编制人恒大绿洲首期工程施工组织设计4、图纸会审纪要工程技术联系单楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮二、工程概况楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮铜陵恒大绿洲首期标段项目由铜陵恒大置业有限公司投资开发建设，本工程共包括1#11#楼和大门、综合楼、商业剧场，本项目总建筑面积:185899平方米。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮建筑功能: 商业、住宅楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮建筑高度和层数: 111#楼高度：98.15 米(室外地坪至屋面面层),层数：33层；综合楼与商业剧场高度：20.90米(室外地坪至屋面面层),层数：4层.楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮结构类型: 框架剪力墙结构楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮本工程由铜陵恒大置业有限公司开发兴建，安微省建筑设计研究院设计，安徽南巽建设项目管理咨询有限公司监理，由广厦建设集团有限责任公司安徽分公司承建楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮第二章 施工准备楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮一、施工准备工作楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮大体积混凝土的施工技术要求比较高，特别在施工中要防止混凝土因水泥水化热引起的温度差产生温度应力裂缝，因此需要从材料选择上、技术措施和施工方法等关键环节做好充分的准备工作，才能保证基础底板大体积混凝土顺利施工。所以大体积混凝土的养护工作极为重要，须提前作好相应的准备。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮1、材料选择楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮（1）水泥：考虑普通水泥水化热较高，特别是应用到大体积混凝土中，大量水泥水化热不易散发，在混凝土内部温度过高，与混凝土表面产生较大的温度差，使混凝土内部产生压应力，表面产生拉应力。当表面拉应力超过早期混凝土抗拉强度时就会产生温度裂缝，因此确定采用水化热比较低的矿渣硅酸盐水泥，强度等级为42.5，通过掺入合适的外加剂可以改善混凝土的性能，提高混凝土的抗渗能力，尽量减少水泥用量，试验表明每增加10kg水泥，其水化热将使用混凝土的温度相应上升1。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮（2）选用粗骨料：尽量选用粒较大、级配良好的粗骨料，控制石含泥量，含泥量不大于1%，泥块含量不得大于0.5%，采用粒径较大和级配良好的粗骨料配制的混凝土，和易性较好，抗压强度较高，同时可以减少用水量及水泥用量，从而使水泥水化热减少，降低混凝土温升。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮（3）在混凝土拌制时掺入12%的HEA型系列微膨胀剂，通过在混凝土中加入膨胀剂使混凝土产生微膨胀来补偿混凝土的收缩裂缝，减少混凝土的温度应力。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮（4）细骨料：采用中砂，平均粒径大于0.5mm，含泥量不得大于5%。泥块含量不得大于0.5%，选用平均粒径较大的中、粗砂拌制的混凝土比采用细砂拌制的混凝土可减少用水量10%左右，同时相应减少水泥用量，使水泥水化热减少，降低混凝土温升，并可减少混凝土收缩。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮（5）粉煤灰：将粉煤灰掺入混凝土拌合物中，能使泵送混凝土流动性显著增加，和易性好，且能减少混凝土拌合物的泌水和干缩，大大改善混凝土的泵送性能，便于泵送。同时掺入粉煤灰可降低大体积混凝土的水化热，有利于控制温度裂缝的产生。所以本施工段地下室基础底板大体积混凝土施工考虑掺加适量的粉煤灰。按照规范要求，采用矿渣硅酸盐水泥拌制大体积粉煤灰混凝土时，其粉煤灰取代水泥的最大限量为硅酸盐水泥30%，普通硅酸盐水泥小于25%，矿渣硅酸盐水泥小于20%。粉煤灰对水化热、改善混凝土和易性有利；粉煤灰的掺入量控制在10%以内，采用外渗法，即不减少配合比中的水泥用量。按配合比要求计算出每立方米混凝土所掺加粉煤灰量。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮（6）混凝土外加剂掺合料：根据设计要求地下室底板、顶板及外侧墙板混凝土需掺入外加剂，以改善混凝土结构构件的抗裂和抗渗性能。通过分析比较及过去在其它工程中大体积混凝土施工的使用经验，在大体积混凝土中掺入12%的HEA型系列微膨胀剂，达到混凝土补偿收缩的目的。楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝探瑞筑堰箔肠回柑哩孜贪挂碴潘险栓赘帚阅清聚缚青姻钙痛攫乖博喜履有立并刃痞霉订征掌折古盐坍鼻身绕糊弯又蕊讳厌态谁犬杜吼迪塌鉴壮2、混凝土配合比楼板裂缝处理方案(浙江海天建设集团镇江分公司)铜陵恒大绿洲首期工程 大体积混凝土专项施工方案surface 5mm10MM level markers. (3) protective cover on the pothole point, protection cover and top surface is flush. 10.5.4 thermometer (1) location of embedded two reinforcin宦绝