Standard No.:	CECS 03:2007
English Name:	Technical specification for testing concrete strength with drilled core
Chinese Name:	钻芯法检测混凝土强度技术规程
Chinese Classification:	P25    Concrete structure engineering
Professional Classification:	CECS    Engineering Construction Standard
ICS Classification:	91.080.40 91.080.40    Concrete structures 91.080.40
Issued by:	CECS
Issued on:	2007-4-16
Implemented on:	2008-1-1
Status:	valid
Superseding:	CECS 03-1988
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	80.0
Delivery:	via email in 1 business day

1.0.1 This Specification is formulated with a view to promoting the development of the concrete strength testing technology with drilled core and to improving the reliability of testing results. 1.0.2 This Specification is applicable to testing the strength of ordinary concrete with strength no larger than 80MPa in the structure by using drilled cores. 1.0.3 In addition to those specified in this Specification, the testing of concrete strength with drilled core still shall comply with those specified in the current relevant standards of the nation.

1 General Provisions 1 2 Terms and Symbols 2 3 Strength Test 4 3.1 General Requirements 4 3.2 Determination of Estimated Strength of Concrete with Dilled Cores 4 3.3 Drilled Core Correction Method 5 4 Major Equipments 7 5 Core Drilling 8 6 Processing of Core or Technical Requirements of Specimen 9 7 Test of Core Specimen and Calculation of Compressive Strength 11 Appendix A Test Method for Concrete Tensile Strength 12 Appendix B Estimate Interval Coefficient Table 14 Explanation of Wording of in this Specification 15