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BS EN 459-2:2021 – TC:2022 Edition

BS EN 459-2:2021 – TC:2022 Edition

$280.87

Tracked Changes. Building lime – Test methods

Published By Publication Date Number of Pages
BSI 2022 174
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This document specifies the test methods for all building limes covered by EN 459?1 . They can also be applied to other lime materials, the standards for which call up these methods.

This document specifies in Table 2 the methods used for the chemical analyses and the determination of physical properties of building limes.

This document specifies the reference methods and, in certain cases, an alternative method which can be considered to be equivalent. In the case of a dispute, only the reference methods are used.

Any other methods may be used provided they are calibrated, either against the reference methods or against internationally accepted reference materials, in order to demonstrate their equivalence.

PDF Catalog

PDF Pages PDF Title
1 30441020
97 A-30396543
98 undefined
106 1 Scope
2 Normative references
3 Terms and definitions
4 Sampling
4.1 General
4.2 Sampling of powdered material
107 4.3 Sampling of granular material
4.4 Sampling of lime putty and milk of lime
4.5 Preparation of the test portion
109 5 General requirements for testing
5.1 Methods of chemical analysis
5.2 Number of tests
110 5.3 Repeatability and reproducibility
5.4 Expression of masses, volumes, factors and results
5.5 Blank determinations
5.6 Reagents
5.7 Evaluation of test results
5.7.1 General
5.7.2 Test results for quicklime
111 5.7.3 Test results for all other types
5.7.4 Test results for available lime
6 Chemical analysis
6.1 Extraction with hydrochloric acid (Reference method)
6.1.1 General
6.1.2 Principle
6.1.3 Reagents
112 6.1.4 Apparatus
6.1.5 Procedure
6.2 Fusion with lithium tetraborate (Alternative method)
6.2.1 General
6.2.2 Principle
6.2.3 Reagents
113 6.2.4 Apparatus
6.2.5 Procedure
6.3 Calcium oxide (CaO) and magnesium oxide (MgO)
6.3.1 General
6.3.2 Principle
6.3.3 Reagents
114 6.3.4 Apparatus
115 6.3.5 Procedure
6.3.6 Evaluation and expression of results
116 6.4 Sulfate (expressed as SO3)
6.4.1 General
6.4.2 Principle
6.4.3 Reagents
117 6.4.4 Apparatus
6.4.5 Procedure
6.4.6 Evaluation and expression of results
118 6.5 Free water
6.5.1 General
6.5.2 Principle
6.5.3 Apparatus
6.5.4 Procedure
119 6.5.5 Evaluation and expression of results
6.6 Volumetric determination of carbon dioxide (CO2) (reference method)
6.6.1 Principle
6.6.2 Reagents
6.6.3 Apparatus
120 6.6.4 Procedure
121 6.6.5 Calibration of the apparatus
122 6.6.6 Evaluation and expression of results
6.7 Gravimetric determination of carbon dioxide (CO2) (alternative method)
6.7.1 Principle
6.7.2 Reagents
123 6.7.3 Apparatus
125 6.7.4 Procedure
126 6.7.5 Evaluation and expression of results
6.8 Loss on ignition
6.8.1 General
6.8.2 Principle
6.8.3 Apparatus
6.8.4 Procedure
127 6.8.5 Evaluation and expression of results
6.9 Available lime
6.9.1 General
6.9.2 Principle
6.9.3 Reagents
128 6.9.4 Apparatus
6.9.5 Procedure
6.9.5.1 For quicklime
6.9.6 Sugar extraction
6.9.7 Determination for calcium lime
129 6.9.8 Determination for lime with hydraulic properties
6.9.9 Evaluation and expression of results
7 Physical tests
7.1 Particle size by dry sieving
7.1.1 General
7.1.2 Principle
7.1.3 Apparatus
130 7.1.4 Preparation of test portions
7.1.5 Procedure
7.1.6 Evaluation and expression of results
131 7.2 Particle size by air-jet sieving
7.2.1 General
7.2.2 Apparatus
132 7.2.3 Procedure
133 7.2.4 Evaluation and expression of results
7.3 Bulk density
7.3.1 Apparatus
135 7.3.2 Procedure
7.3.3 Evaluation and expression of results
7.4 Soundness
7.4.1 General
136 7.4.2 For hydrated calcium lime and all types of lime with hydraulic properties
7.4.2.1 Reference method
138 7.4.2.2 Alternative method
139 7.4.2.3 For hydraulic lime with an SO3 content of more than 3 % and up to 7 % (cold water test)
7.4.3 For hydrated calcium lime, lime putty and hydrated dolomitic lime which include grains larger than 0,2 mm
7.4.3.1 Principle
7.4.3.2 Apparatus
140 7.4.3.3 Material
7.4.3.4 Procedure
7.4.3.5 Test report
7.4.4 For quicklime, lime putty, dolomitic lime and hydrated dolomitic lime
7.4.4.1 Principle
141 7.4.4.2 Apparatus
7.4.4.3 Preparation of specimens
7.4.4.4 Procedure
7.4.4.5 Evaluation
143 7.5 Setting times
7.5.1 Principle
7.5.2 Laboratory, apparatus and materials
7.5.2.1 Laboratory
7.5.2.2 Apparatus and materials
7.5.3 Standard consistence test
7.5.3.1 Apparatus
145 7.5.3.2 Procedure
146 7.5.4 Setting time test
7.5.4.1 Apparatus
7.5.4.2 Determination of initial setting time
147 7.5.4.3 Test report
7.5.4.4 Determination of final setting time
7.5.4.5 Test report
7.6 Reactivity
7.6.1 General
7.6.2 Apparatus
148 7.6.3 Quality check of the test equipment
7.6.3.1 General
7.6.3.2 Determination of the water equivalent of the apparatus
149 7.6.3.3 Determination of the heat flow of the Dewar vessel
152 7.6.4 Sample preparation
7.6.5 Procedure
7.6.6 Evaluation and expression of test results
7.6.6.1 Reference procedure
153 7.6.6.2 Alternative procedure
7.7 Yield
7.7.1 Slaking vessel
154 7.7.2 Procedure
7.7.3 Evaluation and expression of results
7.8 Standard mortar by mass and water demand for values of flow and penetration
7.8.1 General
155 7.8.2 Composition and preparation of standard mortar
7.8.2.1 Laboratory and equipment
159 7.8.2.2 Mixing of mortar
7.8.2.3 Flow diameter
160 7.8.3 Water demand for values of flow and penetration
7.9 Water retention
7.9.1 Principle
7.9.2 Apparatus
7.9.3 Preparation of specimen material
7.9.4 Procedure
161 7.9.5 Evaluation
162 7.10 Determination of air content
7.10.1 Apparatus
163 7.10.2 Calibration of apparatus
7.10.2.1 General
7.10.2.2 Determination of the volume of the vessel
7.10.2.3 Calibration method
7.10.3 Preparation of test mortar
7.10.4 Procedure
7.10.5 Reporting of results
164 7.11 Compressive strength
7.11.1 General
7.11.2 Modifications to EN 1961
7.11.2.1 Composition of mortar
7.11.2.2 Compaction of specimens
167 7.11.2.3 Storage of specimens after demoulding
7.11.2.4 Rate of increase in compressive load
168 Annex A (informative)Example for the calculation of the results on sieving
169 Annex B (informative)Precision data for the test methods

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BS EN 459-2:2021 - TC
$280.87