《超声回弹综合法检测混凝土强度技术规程（昆明地区分册）》.pdf

前 言 根据云南省住房与城乡建设厅云建标[2009]293 号文件，关于印发 《2009 年度云南省工 程建设地方标准制订修订计划的通知》的要求，规程编制组经过大量的实验和调查研究，结 合昆明地区混凝土原材料及施工工艺等工程实际情况，认真总结实践经验，在广泛征求意见 的基础上，制定了本规程。 本规程的主要内容是：1.总则；2.术语、符号；3.回弹仪；4.混凝土超声波检测仪器；5. 测区回弹值和声速值的测量及计算；6. 结构混凝土强度推定。 本规程由云南省住房与城乡建设厅归口管理，授权由主编单位负责具体解释。 主编单位： 云南大学 云南省建设工程质量检测中心有限公司 云南特斯泰工程检测有限公司 参编单位： 云南省建筑科学研究院 昆明铁路局科学技术研究所 昆明市建设工程质量检测中心 北京智博联科技有限公司 山东乐陵回弹仪厂 主要起草人： 1 目 次 1 总则····························································································1 2 术语、符号···················································································2 2.1 术语····················································································2 2.2 主要符号··············································································3 3 回弹仪·························································································5 3.1 一般规定··············································································5 3.2 检定要求··············································································5 3.3 维护保养··············································································6 4 混凝土超声波检测仪器···································································7 4.1 一般规定··············································································7 4.2 换能器技术要求·····································································7 4.3 校准和保养···········································································7 5 测区回弹值和声速值的测量及计算····················································9 5.1 一般规定··············································································9 5.2 回弹测试及回弹值计算·························································· 10 5.3 超声测试及声速值计算···············