Testing aggregates Method for determination of soundness

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-1989

Publisher

British Standards Institution

Committees responsible
Foreword
1 Scope
2 Definitions
3 Principle
4 Sampling
5 Apparatus
6 Reagents
7 Preparation of test portions and specimens
8 Procedure
9 Calculation and expression of test results
10 Precision
11 Test report
Appendix A - Recommended procedure for determining
the magnesium sulphate soundness value
for other size fractions of aggregate
Appendix B - Details of the evaluation of precision data
Publications referred to

Aggregates passing a 14.0 mm test sieve are subjected to cycles of immersion in magnesium sulphate solution followed by oven-drying. A method for other sizes of aggregates is also described.

This Part of BS 812 describes the method for determining the soundness of aggregates by subjecting the aggregate to cycles of immersion in a saturated solution of magnesium sulphate followed by oven-drying. The method is applicable to aggregate passing a 14.0 mm test sieve but is retained on a 10.0 mm test sieve.

NOTE 1 The majority of aggregates can be tested for soundness using this method. Precision has been established for the rock types listed in Table 1. The test may not be suitable for all rock types and reservations have been expressed elsewhere in respect of some carbonate aggregates and some aggregates having a high proportion of magnesium bearing minerals or of cryptocrystalline quartz.

For other size fractions, a recommended method is described in appendix A.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

Committee	B/502/6
DevelopmentNote	Supersedes 88/10129 DC (10/2005) Reviewed and confirmed by BSI, November 2011. (10/2011)
DocumentType	Standard
Pages	12
PublisherName	British Standards Institution
Status	Current
SupersededBy	BS EN 1367-2:1998

PD 6682-6:2003	Aggregates Aggregates for unbound and hydraulically bound materials for use in civil engineering works and road construction. Guidance on the use of BS EN 13242
BIS IS 15393-5 : 2003(R2009)	ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 5: ALTERNATIVE METHODS FOR THE DETERMINATION OF THE PRECISION OF A STANDARD MEASUREMENT METHOD
BS 594-1:2002	Hot rolled asphalt for roads and other paved areas Specification for constituent materials and asphalt mixtures
BS 594-1:1992	Hot rolled asphalt for roads and other paved areas Specification for constituent materials and asphalt mixtures
BS 4987-1:2001	Coated macadam (asphalt concrete) for roads and other paved areas Specification for constituent materials and for mixtures
PD 6682-2:2003	Aggregates Aggregates for bituminous mixtures and surface treatments for roads, airfields and other trafficked areas. Guidance on the use of BS EN 13043
PD 6682-8:2004	Aggregates Aggregates for railway ballast. Guidance on the use of BS EN 13450
PD 6682-7:2003	Aggregates Armourstone. Guidance on the use of BS EN 13383
PD 6682-9:2003	Aggregates Guidance on the use of European test method standards
PD 6682-1:2003	Aggregates Aggregates for concrete. Guidance on the use of BS EN 12620
ISO 5725-5:1998	Accuracy (trueness and precision) of measurement methods and results — Part 5: Alternative methods for the determination of the precision of a standard measurement method
BS ISO 5725-5:1998	Accuracy (trueness and precision) of measurement methods and results Alternative methods for the determination of the precision of a standard measurement method
S.R. 24:2004	GUIDANCE ON THE USE AND APPLICATION OF EUROPEAN TEST METHOD STANDARDS FOR AGGREGATES
BS 812-100:1990	Testing aggregates General requirements for apparatus and calibration
S.R. 17:2004	GUIDANCE ON THE USE OF I.S. EN 13043:2002 - AGGREGATES FOR BITUMINOUS MIXTURES AND SURFACE TREATMENTS FOR ROADS, AIRFIELDS AND OTHER TRAFFICKED AREAS

BS 812-113:1990	Testing aggregates Method for determination of aggregate abrasion value (AAV)
BS 812-112:1990	Testing aggregates Method for determination of aggregate impact value (AIV)
BS 812-100:1990	Testing aggregates General requirements for apparatus and calibration
BS 812-101:1984	Testing aggregates Guide to sampling and testing aggregates
BS 812-110:1990	Testing aggregates Methods for determination of aggregate crushing value (ACV)
BS 812-111:1990	Testing aggregates Methods for determination of ten per cent fines value (TFV)

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BS 812-121:1989

Testing aggregates Method for determination of soundness

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Abstract

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