DL/T5332－2005 水工混凝土斷裂試驗規(guī)程

前言

This Standard is prepared by requirement of "Notice on Printing theDevelopment　and　Revision　Plan of Professional Standards"（Document 739, General Office of the National Development andReform Commission [2005]）.The fracture toughness of concrete is a vital parameter forstability evaluation of crack propagation, crack resistance andanti-cracking designs of hydraulic concrete structure. Hence it isnecessary to prepare a standard to specify the test methods forfracture toughness of concrete.This Standard is prepared based on test data about concretefracture collected in the world, conducting a lot of parallel tests,referring to the fracture test standards of other countries, holdingtechnical workshop and discussions focusing on this field, andconducting calculation and theoretical analyses.This Standard specifies the requirements of wedge splittingmethod and three-point bending beam method. When both of the testmethods are employed simultaneously and result in discrepancies,three-point bending beam method shall prevail.Appendix D of this Standard is normative; Appendix A, B, Cand E are informative.This Standard is proposed by China Electricity Council.This Standard is under the jurisdiction and the explanation of theTechnical Committee of Standardization for Hydropower Construction ofElectric Power Industry. Chief drafting organization: Hohai University.

內容概要

　　This Standard is prepared by requirement of "Notice on Printing theDevelopment　and　Revision　Plan of Professional Standards"（Document 739， General Office of the National Development andReform Commission [2005]）.　　The fracture toughness of concrete is a vital parameter forstability evaluation of crack propagation， crack resistance andanti-cracking designs of hydraulic concrete structure. Hence it isnecessary to prepare a standard to specify the test methods forfracture toughness of concrete.　　This Standard is prepared based on test data about concretefracture collected in the world， conducting a lot of parallel tests，referring to the fracture test standards of other countries， holdingtechnical workshop and discussions focusing on this field， andconducting calculation and theoretical analyses.　　This Standard specifies the requirements of wedge splittingmethod and three-point bending beam method. When both of the testmethods are employed simultaneously and result in discrepancies，three-point bending beam method shall prevail.　　Appendix D of this Standard is normative； Appendix A， B， Cand E are informative.　　This Standard is proposed by China Electricity Council.　　This Standard is under the jurisdiction and the explanation of theTechnical Committee of Standardization for Hydropower Construction ofElectric Power Industry.　　Chief drafting organization： Hohai University.

書籍目錄

Foreword1 Scope2 Normative References3 Terms and Notations  3.1 Terms  3.2 Notations4 General Provisions5 Wedge Splitting Method  5.1 Specimen  5.2 Test Device  5.3 Testing  5.4 Calculation of Test Result  5.5 Test Report6 Three-point Bending Beam Method  6.1 Specimen  6.2 Test Device  6.3 Testing  6.4 Calculation of Test Result  6.5 Test reportAppendix A (Informative Appendix)  Mould for Wedge Splitting SpecimenAppendix B (Informative Appendix)  Steel Plate for Making Precast CrackAppendix C (Informative Appendix)  Force Transmitting Device for Wedge Splitting MethodAppendix D (Normative Appendix)   Record of Fracture Toughness TestAppendix E (Informative Appendix)   Mould for Three-point Bending Beam Specimen"

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《中華人民共和國電力行業(yè)標準(DL/T5332－2005):水工混凝土斷裂試驗規(guī)程(英文版)》由中國電力出版社出版。

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