Bs 812 testing aggregates

Removal of fine material by decantation has been made the preferred method in this revision of this british standard to ensure reliable testing of aggregate. Bs 812101, guide to sampling and testing aggregates. Table of contents are automatically generated, and may not be. Determination of compressive strength of repair mortar 1830368675 dc bs en 10972.

With over 100 years of experience the british standards institute is recognised as the uks national standards body. Aggregates and soils testing acs group of companies. Aggregates particle testing standards ansi webstore. Experimental investigation of lime treated palm kernel shell and sugarcane bagasse ash as partial replacement of coarse aggregate and cement respectively in concrete. Find the most uptodate version of bs 8122 at engineering360. This british standard, a part of the bs 812 series, describes methods for the determination of the particle density, water absorption, bulk density, voids and bulking of aggregates and of the particle density, bulk density and voids of filler. Method for determination of particle size distribution. Aggregates are the most commonly used construction minerals in the uk. A080kit aggregate impact value apparatus bs 812 matest. This british standard, a section of the bs 812 series, describes two methods for the determination of the particle size distribution of samples of aggregates and fillers by sieving. Bs 812103, methods for determination of particle size distribution.

Method for determination of shell content in coarse aggregate withdrawn publication year 1985 document status. British standards institution publication index nbs. Methods for determination of aggregate crushing value acv aggregates, cement and concrete technology, crushing tests, compression testing, mechanical testing, specimen preparation, test specimens, test equipment, testing conditions, reproducibility. The remaining sections of bs 812 1 and bs 812 2, 3 and 4 are also being revised and as each of the tests, or collection of related tests, is revised, it is intended to issue it as a separate part or section of this standard. Mla cornwall public cat, cornwall enquiry and information service, version correct as of 20092011 15. This part of bs 812 has been prepared under the direction of the cement, gypsum, aggregates and quarry products standards policy committee. This document has been reassessed by the committee, and judged to still be up to date.

Bs dd 218 testing aggregates method for determination of alkalisilica reactivity concrete prism method. Appendix a is expanded to include provision of information on request from tests in accordance with bs 812 for acid soluble sulphate contents and drying. Pdf specification for aggregates from natural sources for concrete. Bs 812104, procedure for qualitative and petrographic examination of aggregate 3. Abstract method for aggregates passing a 14mm test sieve and returned on a 10mm test sieve.

Method for determination of shell content in coarse aggregate british standard. Tests for mechanical and physical properties of aggregates. Mechanical, physical and chemical testing is conducted on a wide range of natural and recycled aggregates to ensure they are fit for purpose. Methods for determination of ten per cent fines value tfv bs en 12190. Methods for determination of ten per cent fines value tfv british standard methods which give a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Methods which give a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. The method is not suitable for testing aggregates with an aggregate crushing value higher than30, and in such cases the method for ten per cent fines value described in bs 812111 is applicable. Part 100 general requirements for apparatus and calibration part 101 guide to sampling and testing aggregates part 102 methods for sampling part 103 methods for determination of particle size. Bs 812106, methods for determination of shell content in coarse. Aggregates testing aggregate testing plays an important role in assessing new material sources, in situ behavior, compliance and quality control. Water absorption limits on aggregates concrete society. Methods for determination of particle shape section 105. Method for determination of aggregate impact value.

It is intended that other british standards should call up bs 812 test methods as the basis of compliance. Mineral aggregates are used in all fields of the construction industry to produce bituminous misture, concrete, mortars to be used in structures, fill materials, railway ballast etc. Method for determination of aggregate crushing value acv jan 1990. Bs 812105, methods for determination of particle shape. Methods for determination of density aggregates, cement and concrete technology, density measurement, relative density, bulk density, water absorption, moisture measurement, fillers, physical property measurement, test. British standard institution 1995 testing aggregates bs 812. Methods for determination of ten percent fines value tfv of aggregates in dry condition. This british standard, a part of the bs 812 series, provides general guidance on sampling and testing aggregates and procedures for assessing the precision of the tests described in other parts of the series. Testing these minerals is therefore very important. Bs 812 testing aggregates bs 812 101 guide to sampling and.

We provide a comprehensive range of aggregates and soils testing meeting british and european standards together with standard highways mchw requirements. Aggregates particle testing standards look at the particles within the aggregate, analyzing them to provide information about the. Aggregate impact value apparatus bs 812 testing equipment aggregatesrocks. Investigation of afram shale for road construction. For this reason we have given particular attention to all testing methods. Standard test method for sand equivalent value of soils and fine aggregates. They are widely distributed with a range of potential sources and are used in very large quantities. Used to determine the aggregate impact value aiv which provides a relative measure of the. Ciria report c559 says that air entrainment may not provide. Used to determine the aggregate impact value aiv which provides a relative measure of the resistance of an aggregate to sudden shock or impact. Determination of percentage of crushed and broken surfaces in coarse aggregate particles bs 1016110.

General requirements for apparatus and calibration determination of particle density, water absorption, bulk density and voids of aggregates and particle density, bulk density and voids of filler. Flakiness index declared obsolescent and is superseded but remains. Determination of particle density, water absorption, bulk density. This section of bs 812 prepared under the direction of the cement, gypsum, aggregates and quarry products standards policy committee, is a revision of 7. It is intended that other british standards should call up bs 812 test methods as the basis for compliance. All bsi british standards are available online in pdf or hardcopy. Describes two methods for determination of particle size distribution of samples of aggregates and fillers by sieving.

In line with british standards we provide mechanical, physical and chemical testing on a wide range of primary and secondary recycled aggregates to ensure they are fit. Method for the measurement of expansion of concrete produced by alkali silica. List of british standards bs, code of practice cp and american society for testing and materials astm 2 of 12 bs 416. Method for determination of watersoluble chloride salts view abstract product details detail summary view all details. Determination of shell content in coarse aggregate. Nevertheless it is not intended that all aggregates. The machine is robustly designed, made from steel protected against corrosion. This british standard, a part of the bs 812 series, describes methods for the determination of the aggregate impact value aiv which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Sampling and testing of aggregates, sand and fillers, his majesty stationery office, london. Part 100 general requirements for apparatus and calibration part 101 guide to sampling and testing aggregates part 102 methods for sampling part 103 methods for determination of particle size distribution part 104 method for qualitative and quantitative petrographic examination of aggregates part 105. Bs 812124 describes a test procedure for the determination of the frost resistance of unbound aggregate mixtures. Methods for determination of ten per cent fines value tfv published by bsi on june 29, 1990. Method for determination of acidsoluble material in fine aggregate british standarddescribes the determination of the amoun bs 812119. Methods for determination of aggregate crushing value acv partially superseded but remains current publication year 1990 document status caution.