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BSI 23/30470586 DC 2023

BSI 23/30470586 DC 2023

$13.70

BS EN 17979. Reactivity of Cement Constituents. Heat of Hydration and Bound Water methods

Published By Publication Date Number of Pages
BSI 2023 15
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PDF Catalog

PDF Pages PDF Title
6 1 Scope
2 Normative references
7 3 Terms and definitions
4 General requirements for testing
4.1 Number of tests
4.2 Repeatability and reproducibility
4.2.1 Repeatability
4.2.2 Reproducibility
4.3 Expression of masses, volumes, factors and results
8 5 Principle of test methods (A and B)
6 Reagents
6.1 General
6.2 Calcium hydroxide (Ca(OH)2)
6.3 Potassium hydroxide (KOH)
9 6.4 Potassium sulfate
6.5 Calcium carbonate (CaCO3) dried to constant mass at (200 ± 10) °C
6.6 Potassium solution
7 Apparatus
8 Procedures
8.1 Preparation of a test cement constituent specimen
10 8.2 Testing Paste
8.3 Method A, Heat of Hydration
8.3.1 Preparation of the apparatus
11 8.3.2 Paste specimen preparation
8.3.3 Measurement of heat release
8.3.4 Calculations
8.4 Method B, Bound Water Content
8.4.1 Paste specimen casting
8.4.2 Paste specimen curing
8.4.3 Cured specimen preparation
12 8.4.4 Bound water content measurement
8.4.5 Calculations
8.4.6 Correction for natural pozzolana (P) containing bound water
13 9 Report
14 10 Precision
10.1 Method A, Heat of Hydration
10.1.1 Repeatability and reproducibility
10.2 Method B, Bound Water Content
10.2.1 Repeatability and reproducibility

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BSI 23/30470586 DC 2023
$13.70