I.S. EN 13791:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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ASSESSMENT OF IN-SITU COMPRESSIVE STRENGTH IN STRUCTURES AND PRECAST CONCRETE COMPONENTS
Hardcopy , PDF
08-09-2019
English
01-01-2007
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Principles
6 Characteristic in-situ compressive strength in relation to
compressive strength class
7 Assessment of characteristic in-situ compressive strength
by testing of cores
7.1 Specimens
7.2 Number of test specimens
7.3 Assessment
7.3.1 General
7.3.2 Approach A
7.3.3 Approach B
8 Assessment of characteristic in-situ compressive strength
by indirect methods
8.1 General
8.1.1 Methods
8.1.2 Alternative 1 - Direct correlation with cores
8.1.3 Alternative 2 - Calibration with cores for a
limited strength range using an established
relationship
8.2 Indirect tests correlated with in-situ compressive
strength, (Alternative 1)
8.2.1 Application
8.2.2 Testing procedure
8.2.3 Establishing the relationship between test result
and in-situ compressive strength
8.2.4 Assessment of in-situ compressive strength
8.3 Use of a relationship determined from a limited number
of cores and a basic curve, (Alternative 2)
8.3.1 General
8.3.2 Testing
8.3.3 Procedure
8.3.4 Validity of relationships
8.3.5 Estimation of in-situ compressive strength
8.4 Combination of in-situ strength test results by various
test methods
9 Assessment where conformity of concrete based on standard
tests is in doubt:
10 Assessment report
Annex A (informative) Factors influencing core strength
A.1 General
A.2 Concrete characteristics
A.2.1 Moisture content
A.2.2 Voidage
A.2.3 Direction relative to the casting
A.2.4 Imperfections
A.3 Testing variables
A.3.1 Diameter of core
A.3.2 Length/diameter ratio
A.3.3 Flatness of end surfaces
A.3.4 Capping of end surfaces
A.3.5 Effect of drilling
A.3.6 Reinforcement
Annex B (informative) Factors influencing results by indirect
test methods
B.1 Rebound hammer tests
B.2 Ultrasonic pulse velocity measurements
B.3 Pull-out tests
Annex C (informative) Concepts concerning the relationship
between in-situ strength and strength from standard
test specimens
Annex D (informative) Guidelines for planning, sampling and
evaluation of test results when assessing in-situ
strength
D.1 Planning
D.2 Sampling
D.3 Testing programme
D.4 Assessment
Bibliography
Provides methods and procedures for the assessment of the in-situ compressive strength of concrete in structures and precast concrete components.
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 13791:2007 | Identical |
| I.S. EN 206-1 NATIONAL ANNEX:2010 | IRISH NATIONAL ANNEX TO I.S. EN 206-1:2002 CONCRETE - PART 1: SPECIFICATION, PERFORMANCE, PRODUCTION AND CONFORMITY |
| I.S. EN 206 NATIONAL ANNEX:2015 | NATIONAL ANNEX TO I.S. EN 206:2013 - CONCRETE - SPECIFICATION, PERFORMANCE, PRODUCTION AND CONFORMITY |
| I.S. EN 206-1:2002 | CONCRETE - PART 1: SPECIFICATION, PERFORMANCE, PRODUCTION AND CONFORMITY (INCLUDING IRISH NATIONAL ANNEX) |
| EN 12504-3:2005 | Testing concrete in structures - Part 3: Determination of pull-out force |
| EN 12504-2:2012 | Testing concrete in structures - Part 2: Non-destructive testing - Determination of rebound number |
| EN 12390-1:2012 | Testing hardened concrete - Part 1: Shape, dimensions and other requirements for specimens and moulds |
| EN 12504-4:2004 | Testing concrete - Part 4: Determination of ultrasonic pulse velocity |
| EN 12390-2:2009 | Testing hardened concrete - Part 2: Making and curing specimens for strength tests |
| BS 1881-201:1986 | Testing concrete Guide to the use of non-destructive methods of test for hardened concrete |
| EN 12350-1:2009 | Testing fresh concrete - Part 1: Sampling |
| ENV 13670-1 : DRAFT 2000 | EXECUTION OF CONCRETE STRUCTURES - PART 1 - COMMON |
| EN 12504-1:2009 | Testing concrete in structures - Part 1: Cored specimens - Taking, examining and testing in compression |
| BS 6089:1981 | Guide to assessment of concrete strength in existing structures |
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