DBJ50-049-2006 重庆市混凝土结构加固施工及验收规程

备案号J10785-2006DB重庆市工程建设标准DBJ50-049-2006重庆市混凝土结构加固施工及验收规程RegulationforconstructionandacceptanceofstrengtheningconcretestructureinChongqing2006-03-24发布2006-07-01实施重庆市建设委员会发布前言为了认真贯彻执行国家建筑工程技术政策，严格控制混凝土结构加固工程的施工质量，根据重庆市建设委员会《关于下达二OO五年度建设科研项目计划的通知》（渝建[2005]158号）的要求，重庆市建设工程质量监督总站和重庆市建筑科学研究院负责《重庆市混凝土结构加固工程施工及验收规程》的编制任务，并组织有关单位共同完成了本规程的编制工作。本规程规定了常见的混凝土结构加固材料质量、施工要求及质量检验验收的标准、内容和程序。规程是在总结重庆地区工程实践经验、科技成果，以及广泛征求意见的基础上制定出来的。在编制过程中，还参考了国家现行有关规范和标准的规定。使用中的意见或建议，请随时反馈给重庆市建设工程质量监督总站（重庆市渝中区长江一路58号），邮政编码：400014本标准主编单位、参加单位和主要起草人：主编单位：重庆市建设工程质量监督总站重庆市建筑科学研究院参加单位：重庆交通学院德国曼卡特(MKT)公司重庆补强公司重庆风行建筑技术公司主要起草人：周祖怀林文修邱峰傅建华张兴伟付晓华张锡祥陈正平陈创邹云华罗连生沈治宇郭舰何世兵刘佐钦李龙飞１目次1总则··························································12术语··························································23基本规定·····················································54植筋工程·····················································84.1一般规定····················································84.2材料·························································84.3植筋施工···················································104.4施工质量检验················································115锚栓工程·····················································135.1一般规定····················································135.2材料·························································135.3锚栓施工····················································155.4施工质量检验················································176混凝土构件增大截面工程··································186.1一般规定···················································186.2材料························································186.3新增截面施工···············································196.4施工质量检验···············································217外包钢工程··················································237.1一般规定·····················································237.2材料·························································237.3型钢骨制作··················································247.4外包钢施工··················································247.5施工质量检验················································268粘贴钢板工程···············································288.1一般规定····················································288.2材料·························································288.3粘贴钢板施工··················································298.4施工质量检验················································31２9粘贴纤维复合材料工程·····································339.1一般规定····················································339.2材料························································339.3纤维材料粘贴施工··········································379.4施工质量检验··············································3910混凝土裂缝修补工程······································4110.1一般规定···················································4110.2材料························································4110.3填充密封法施工············································4210.4表面封闭法施工···········································4310.5注浆法施工·················································4410.6施工质量检验···············································4611混凝土结构加固工程竣工验收······························48附录A锚固用胶粘剂拉伸抗剪强度测定方法（钢套筒法）················50附录B胶粘剂粘合加固材与基材混凝土的正拉粘结强度实验室测定方法··················································53附录C胶粘剂粘合加固材与基材混凝土的正拉粘结强度现场测定方法·····················································58附录D结构用胶粘剂湿热老化性能测定方法····························62附录E锚固承载力现场检验方法及评定标准·······················65附录F约束拉拔条件下胶粘剂粘接钢筋与基材混凝土的粘结强度测定方法·············································69附录G纤维织物复合材层间剪切强度测定方法·······················73附录H富填料胶体、聚合物砂浆体劈裂抗拉强度测定方法···············78附录J加固材料性能的标准值············································81附录K检验批质量验收记录············································82附录L分项工程质量验收记录···········································84附录M分部（子分部）工程质量验收记录·······························84本规程用词说明·························································85条文说明································································8611总则1.0.1为了保证重庆地区混凝土结构加固工程的施工质量，统一验收标准，制定本规程。1.0.2本规程适用于房屋和一般构筑物的混凝土结构加固施工和质量验收。市政工程的混凝土结构加固施工和质量验收可参照本规程执行。1.0.3混凝土结构加固工程技术文件和施工合同中规定的对工程质量的要求不得低于本规程的规定。1.0.4混凝土结构加固工程的施工过程控制和质量验收除应执行本规程外，尚应遵守国家现行有关标准、规范、规程的规定。22术语2.0.l已有结构加固strengtheningofexistingstructures对可靠性不足或业主要求提高可靠度的承重结构、构件及其相关部分进行增强、局部更换或调整其内力等措施，使其具有现行设计规范及业主所要求的安全性、耐久性和适用性。2.0.2原构件existingstructuresmember实施加固前的原有构件。2.0.3增大截面加固法structuresmemberstrengtheningwithR.C增大原构件截面面积和增配钢筋，以提高其承载力和刚度，或改变其自振频率的一种直接加固法。2.0.4复合截面加固法structuresmemberstrengtheningwithexternallybondedreinforcedmaterials通过采用胶粘剂或聚合砂浆，将增强材料粘合于原构件的混凝土表面，使之形成具有整体性的复合截面，以提高其承载力和延性的一种直接加固法。2.0.5纤维增强复合材fiberreinforcedpolymer（FRP）采用高强度的连续纤维按一定规则排列，经用胶粘剂浸渍，粘接固化后形成的具有纤维增强效应的复合材料，简称纤维复合材。2.0.6纤维片材fiberlaminate是指由碳纤维、玻璃纤维或芳纶纤维组成的纤维织物或纤维增强复合材料板。2.0.7碳纤维布carbonfibersheet由单向连续碳纤维组成，未经树脂浸渍固化的布状碳纤维制品。2.0.8碳纤维板carbonfiberreinforcedpolymerplate由单向连续碳纤维组成，并经树脂浸渍固化的板状碳纤维制品。2.0.9E玻璃纤维；无碱玻璃纤维Eglassfiber；non-alkaliglassfiber碱金属氧化物含量很少，具有良好绝缘性能的玻璃纤维（其碱金属氧化物含量一般小于1%）。2.0.10S玻璃纤维；高强玻璃纤维Sglassfiber；highstrengthglassfibre用硅-铝-镁系统的玻璃拉制