中建工程质量通病防治做法手册.pdf

该【中建工程质量通病防治做法手册 】是由【119060444】上传分享，文档一共【151】页，该文档可以免费在线阅读，需要了解更多关于【中建工程质量通病防治做法手册 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。:..工程质量通病防治做法手册(试行)二零二一年八月:..目录目录一、钢筋工程···········································································································································································································131、钢筋原材/半成品堆码混乱,标识、标牌缺失················································································································································142、直螺纹钢筋原材未采用专用钢筋切断机切平··················································································································································153、直螺纹丝头长度、丝头完整有效扣数不符合要求·········································································································································164、箍筋弯钩平直段长度不足····················································································································································································175、钢筋弯折的弯弧内直径不符合要求···································································································································································186、墙、柱钢筋偏位·····································································································································································································19·7、电渣压力焊钢筋焊包不饱满、轴线偏移、未顺肋·········································································································································218、钢筋马凳筋、保护层垫块放置不规范······························································································································································229、梁柱核心区柱箍筋数量不足···············································································································································································2310、型钢混凝土梁主筋焊接长度不足,随意开孔··············································································································································24二、模板工程··········································································································································································································252:..目录1、后浇带处的模板及支架未独立设置··································································································································································262、模板架体拆除不合规、随意拆除······································································································································································273、铝模免抹灰收口凹槽预留不规范······································································································································································284、楼板降板成型质量差···························································································································································································295、洞口预留模板变形·······························································································································································································30三、混凝土工程·····································································································································································································311、楼梯施工缝留设位置不符合要求·····································································································································································322、施工缝处理不到位·······························································································································································································333、混凝土缺陷处置不及时、不规范·····································································································································································344、混凝土错台(木模转铝模楼层)·····································································································································································355、混凝土墙体错台(木模)··················································································································································································366、地下室顶板荷载控制措施不到位·····································································································································································377、柱、墙与梁、板不同强度等级混凝土拦截不到位·······································································································································383:..目录8、钢管混凝土不密实,孔洞,断层·····································································································································································399、混凝土润管砂浆浇筑到结构主体内·································································································································································4010、混凝土气泡过多·································································································································································································4111、墙柱底部烂根·····································································································································································································4212、混凝土楼板裂缝·································································································································································································4313、铝模传料口钢筋留置不规范、封堵不密实··················································································································································44四、装配式工程······································································································································································································451、预制构件运输、堆放不规范,产生挠度和开裂············································································································································462、预留钢筋或者预埋件偏位··················································································································································································473、叠合板板带部位流浆错台(1)·······································································································································································484、叠合板板带部位流浆错台(2)·······································································································································································495、叠合板板带部位流浆错台(3)·······································································································································································506、套筒灌浆不饱满···································································································································································································514:..目录7、灌浆构件受扰动··································································································································································································528、预制楼梯端头板混凝土预留尺寸不准确·······················································································································································53五、预应力工程·····································································································································································································541、管道定位措施不到位,局部偏移或上浮·······················································································································································552、已安装的管道成品保护不到位········································································································································································563、预应力管道连接密封不严·················································································································································································574、张拉设备和仪表未配套标定或不在有效期内··············································································································································585、封锚保护层厚度不够或封锚不密实·······························································································································································59六、屋面工程········································································································································································································601、排汽构造设置不当·····························································································································································································612、出屋面构件(女儿墙、屋面机房、伸出屋面管道井等)未设置混凝土反坎······················································································623、女儿墙防水泛水高度不足················································································································································································634、屋面倒坡、积水·································································································································································································645:..目录5、屋面保护层分格缝设置不规范·······································································································································································656、女儿墙分格缝设置不规范···············································································································································································667、屋面排烟(风)道等未施工滴水槽或鹰嘴·················································································································································678、设备基础、管道支墩等防水泛水高度不足·················································································································································68七、防渗漏··············································································································································································································691、地下室防水卷材搭接错边、宽度不符合要求·············································································································································702、地下室外墙防水收口不规范、成品保护不到位·········································································································································713、止水钢板外露宽度不符要求···········································································································································································724、止水钢板未双面搭接焊、搭接质量差··························································································································································735、吊洞采用铁丝吊模、混凝土不密实······························································································································································746、外墙螺杆眼未有效封堵、渗漏·······································································································································································757、外窗渗水·············································································································································································································76八、二次结构···················································