DB11/T 1446-2017 回弹法、超声回弹综合法检测泵送混凝土抗压强度技术规程
简介
DB11/T 1446-2017 备案号∶56090-2017
回弹法、超声回弹综合法检测泵送混凝土抗压强度技术规程
Technical Specification for Inspecting of PumpedConcrete Compressive Strength by Rebound Methodor Ultrasonic-Rebound Combined Method
2017一10-01 实施
2017一06一29 发布 目 次 1 总则 ........................................................................................................................................................................ 1 2 术语、符号 ........................................................................................................................................................... 2 2.1 术语........................................................................................................................................................................ 2 2.2 符号........................................................................................................................................................................ 2 3 回弹仪和超声波检测仪........................................................................................................................................ 4 3.1 回弹仪技术要求.................................................................................................................................................... 4 3.2 超声波检测仪技术要求........................................................................................................................................ 5 4 检测技术............................................................................................................................................................... 7 4.1 一般规定................................................................................................................................................................ 7 4.2 回弹值测量............................................................................................................................................................ 8 4.3 碳化深度值测量.................................................................................................................................................... 9 4.4 超声测量................................................................................................................................................................ 9 5 回弹值和声速值计算..........................................................................................................................................10 6 测强曲线.............................................................................................................................................................11 7 混凝土强度的推定..............................................................................................................................................12 附录 A 回弹法北京地区泵送混凝土测区混凝土强度换算表（浇筑侧面） ........................................................14 附录 B 回弹法北京地区泵送混凝土测区混凝土强度换算表（浇筑底面）.........................................................18 附录 C 回弹法北京地区泵送混凝土测区混凝土强度换算表（浇筑表面）.........................................................23 附录 D 超声回弹综合法北京地区泵送混凝土测区混凝土强度换算表（浇筑侧面） .........................................28 附录 E 超声回弹综合法北京地区泵送混凝土测区混凝土强度换算表（浇筑底面）..........................................34 附录 F 超声回弹综合法北京地区泵送混凝土测区混凝土强度换算表（浇筑表面）..........................................40 本规程用词说明 .......................................................................................................................................................47 引用标准名录...........................................................................................................................................................48 附：条文说明...........................................................................................................................................................49
DB11/T 1446-2017 备案号∶56090-2017
回弹法、超声回弹综合法检测泵送混凝土抗压强度技术规程
Technical Specification for Inspecting of PumpedConcrete Compressive Strength by Rebound Methodor Ultrasonic-Rebound Combined Method
2017一10-01 实施
2017一06一29 发布 目 次 1 总则 ........................................................................................................................................................................ 1 2 术语、符号 ........................................................................................................................................................... 2 2.1 术语........................................................................................................................................................................ 2 2.2 符号........................................................................................................................................................................ 2 3 回弹仪和超声波检测仪........................................................................................................................................ 4 3.1 回弹仪技术要求.................................................................................................................................................... 4 3.2 超声波检测仪技术要求........................................................................................................................................ 5 4 检测技术............................................................................................................................................................... 7 4.1 一般规定................................................................................................................................................................ 7 4.2 回弹值测量............................................................................................................................................................ 8 4.3 碳化深度值测量.................................................................................................................................................... 9 4.4 超声测量................................................................................................................................................................ 9 5 回弹值和声速值计算..........................................................................................................................................10 6 测强曲线.............................................................................................................................................................11 7 混凝土强度的推定..............................................................................................................................................12 附录 A 回弹法北京地区泵送混凝土测区混凝土强度换算表（浇筑侧面） ........................................................14 附录 B 回弹法北京地区泵送混凝土测区混凝土强度换算表（浇筑底面）.........................................................18 附录 C 回弹法北京地区泵送混凝土测区混凝土强度换算表（浇筑表面）.........................................................23 附录 D 超声回弹综合法北京地区泵送混凝土测区混凝土强度换算表（浇筑侧面） .........................................28 附录 E 超声回弹综合法北京地区泵送混凝土测区混凝土强度换算表（浇筑底面）..........................................34 附录 F 超声回弹综合法北京地区泵送混凝土测区混凝土强度换算表（浇筑表面）..........................................40 本规程用词说明 .......................................................................................................................................................47 引用标准名录...........................................................................................................................................................48 附：条文说明...........................................................................................................................................................49
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