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BS EN 14488-3:2023 – TC

BS EN 14488-3:2023 – TC

$186.33

Tracked Changes. Testing sprayed concrete – Flexural strengths (first peak, ultimate and residual) of fibre reinforced beam specimens

Published By Publication Date Number of Pages
BSI 2023 58
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This document specifies methods (Methods A and B) for the determination of the first peak, ultimate and residual strength of specimens of hardened sprayed concrete.

PDF Catalog

PDF Pages PDF Title
34 undefined
39 1 Scope
2 Normative references
3 Terms and definitions
40 4 Symbols and abbreviated terms
4.1 Symbols
41 4.2 Abbreviated terms
5 Principle
6 Method A: Four point bending test on beam
6.1 Apparatus
6.1.1 Testing machine
42 6.1.2 Force application
43 6.1.3 Deflection measurement and control
6.2 Test specimen
6.2.1 General
44 6.2.2 Adjustment of test specimens
6.3 Procedures
6.3.1 Preparation and positioning of specimens
45 6.3.2 Loading
6.4 Expression of results
6.4.1 First peak and ultimate flexural strengths
46 6.4.2 Residual flexural strengths
47 6.5 Test report
6.6 Accuracy
48 7 Method B: Three point bending test on square panel with notch
7.1 Apparatus
7.1.1 Testing machine
49 7.2 Test specimens
7.2.1 Shape and size of test specimens
7.2.2 Manufacture and curing of test specimens
7.2.3 Notching of test specimens
50 7.3 Testing procedure
7.3.1 Preparation and positioning of test specimens
53 7.3.2 Bending test
7.4 Expression of results
7.4.1 Equivalence between CMOD and deflection
54 7.4.2 Limit of proportionality
7.4.3 Residual flexural tensile strength
56 7.5 Test report
7.6 Precision

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BS EN 14488-3:2023 - TC
$186.33