1 General provision
2 Terms and symbols
2.1 Terms
2.2 Symbols
3 Test hammer
3.1 Technical requirements
3.2 Verification
3.3 Maintenance
4 Detection technology
4.1 General provision
4.2 Rebound value measurement
4.3 Measuring of the carbonation depth
5 Rebound value calculations
6 Strength curve
6.1 General provisions
6.2 Unified strength curve
6.3 The provincial and special strength curve
7 Calculation of the concrete strength
Annex A Conversion table for concrete compressive strength of test area
Annex B Corrected value of the conversion value of pump concrete compressive strength of test area
Annex C The corrected value of rebound value inspected in non-standard state
Annex D Corrected value of the rebound value of different pouring surface
Annex E Drawing method of special strength curve
Annex F Report on concrete compressive strength inspection by rebound method
Explanation of Wording
Standard
JGJ/T 23-2001 Technical Specification for Inspection of Concrete Compressive Strength by Rebound Method (English)
Standard No.
JGJ/T 23-2001
Status
superseded
Language
English
File Format
PDF
Word Count
12600 words
Translation Price(USD)
300.0
Implemented on
2001-10-1
Delivery
via email in 1 business day
Detail of JGJ/T 23-2001
Standard No.
JGJ/T 23-2001
English Name
Technical Specification for Inspection of Concrete Compressive Strength by Rebound Method
1 General provision
2 Terms and symbols
2.1 Terms
2.2 Symbols
3 Test hammer
3.1 Technical requirements
3.2 Verification
3.3 Maintenance
4 Detection technology
4.1 General provision
4.2 Rebound value measurement
4.3 Measuring of the carbonation depth
5 Rebound value calculations
6 Strength curve
6.1 General provisions
6.2 Unified strength curve
6.3 The provincial and special strength curve
7 Calculation of the concrete strength
Annex A Conversion table for concrete compressive strength of test area
Annex B Corrected value of the conversion value of pump concrete compressive strength of test area
Annex C The corrected value of rebound value inspected in non-standard state
Annex D Corrected value of the rebound value of different pouring surface
Annex E Drawing method of special strength curve
Annex F Report on concrete compressive strength inspection by rebound method
Explanation of Wording