DB37-T5220-2022：混凝土工程结构实体检测鉴定技术标准.pdf

Contents1 General Provisions.2 Terms and Symbols.22.1 Terms.22.2 Symbols.23 Baisc Requirement.43.1 Scope and classification.43.2 Programma and requirement.3.3 Aspects and methods of inspection.43.4 Plan and procedure of sampling.63.5 Conclusion and determination.74Ispection of Structrual Quality.134.1 General requirement.134.2 Concrete strength134.3 Steel bar in concrete.154.4 Structural position and size deviation.184.5 Precast concrete member.185 Inspection of Structural Performance and Appraisal of StructuralEntity.215.1 General requirement.215.2 Concrete strength.215.3 Steel bar in concrete.225.4 Damage of concrete member245.5 Load test.256Test Report and AppraisalReport.26Appendix A Inspection of the thickness of structural solid steelprotective layer27Appendix B Status Quo of Structural Solid Load Test.29Explanation of Wording in this Code.31List of Quoted Standards.3262术语和符号2.1术语2.1.1结构实体检测 Inspection of Structural对主体结构、地基基础等结构实体实施的原位检查、检测，以及对从结构实体中取得的样品进行检测分析，分为工程质量检测和结构性能检测。2.1.2结构体定Appraisal of Structural在结构性能检测的基础上，通过复核验算结构性能，结合分析评估，判断结构实体是否达到设计要求或规范要求的过程。2.1.3直接测试方法 Method of Direct Measurement直接获得待判定参数数值的检测方法，简称直接法。2.1.4接测试方法 Method of Indirect Measurement利用间接的参数并经换算关系获得待判定参数数值的检测方法，简称间接法。2.1.5筋距 Distance of Steel Bars相邻钢筋中心线间的距离。2.1.6承能力评 Bearing Capacity Evaluation结构性能检验方法的一种，指通过施加一定的荷载，检测构件强度和变形值，对比该荷载下构件变形的理论计算值，评估构件能否达到理论计算的承载能力。2.2符号As钢筋实际截面积，mm2;d钢筋实际直径，mm;fe、fe,i检测批强度推定值、第i个构件强度推定值，MPa;go钢筋单位长度理论重量，g/mm;ko.5、k1、k2推定系数；2