Bs 812 was first published in 1938 and subsequently revised in 1943,1951,1960 and 1967 and this 1975 edition of bs 812 was originally published in four separate parts. Bs 259992 had been, and continues to be, used by many organizations across the world as the basis of their bcm procedures and processes. Testing aggregates method for determination of the polishedstone value. Pdf skid resistance evaluation of aggregates from pakistan and. This british standard, a part of the bs 812 series, describes the. Find the most uptodate version of bs 812 114 at engineering360. Method for determination of soundness aggregates, cement and concrete technology, screening sizing, particle size measurement, hydration, crystallization, test equipment, specimen preparation, testing conditions, precision, degradation. All bsi british standards available online in electronic and print formats. Find the most uptodate version of bs 812114 at engineering360.
Notethe titles of the publications referred to in this standard are listed on the inside back cover. Chloride watersoluble bs 812, part 117 chloride acid soluble bs 812,part 117 sulfatewatersoluble bs 812,part 118 acidsoluble material in fine aggregates bs 812,part 119 soundness of aggregates sodium sulfate astm c 88, soundness of aggregates sodium sulfate bs 812,part 121 soundness of aggregatesmagnesium sulfate astm c 88. Methods for sampling coarse, fine and allin aggregates. It forms part of a general revision of the 1975 edition of bs 812. No 1 bs 812 part 103 1985 determine particle size distribution. No 12 bs 812 part 118 1988 determine of sulphate content free download as pdf file.
The polished stone value of aggregates and inservice. Development of an alternative test procedure to bs812 for. Vertical sidelining on replacement pages indicates the most recent changes amendment, addition, deletion. This part of bs 812 has been prepared under the direction of the cement, gypsum, aggregates and quarry products standards policy committee. Institute of technology tallaght, institute of technology, wed jun 28 12. Standard 6hour test pendulum values recorded at 0 and 6 hours series 2.
R carried out, test specimens for which were prepared according to bs 812. Testing aggregates method for determination of the. Specifies common equipment, calibration procedures and general requirements for apparatus and methods of calibration to be used when testing aggregates for compliance purposes. Method for determination of frostheave withdrawn publication year 1989 document status. Free software downloads we have just added a free download for our bm239. Bs812 for accelerated polishing of roadstones feet first. Value test in british standard 812 british standards. Issue 1 indicates that a page has been introduced for the first time by amendment. Free to use bim project management tool provides stepbystep help to define, manage. Samples of aggregates, form 33 quarries have been assembled and test specimens made in accordance with the procedure described in bs812. There are some important additions and a few elements that have been omitted. General requirements for apparatus and calibration. This british standard, a part of the bs 812 series, describes the method for the determination of the watersoluble chloride salt content of aggregate.
Methods which give a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Methods for determination of aggregate crushing value acv status. Confirmed, partially replaced, current replaced by. Includes nominal descriptions for materials supplied. Methods for determination of aggregate impact value aiv bulk density bs 8122. Free software downloads we have just added a free download for our bm239 marshall test software. Dafen hq and stores unit 4, heol aur, dafen ind estate, dafen, llanelli, carmarthenshire sa14 8qn. Determination of polished stone value canin corrosion. Users of the test local authorities, consulting engineers, contractors, asphalt producers, and civil engineering departments of universities. Deals with reinforced concrete, design and construction as applied to beams, slabs, columns, flat slab construction, walls and bases in buildings.
All bsi british standards are available online in pdf or hardcopy. Bs en 9321 bs en 9322 bs en 9325 bs en 9331 bs en 9332 bs en 10975 bs en 2864 bs en 605842 all current amendments available at time of purchase are included with the purchase of this document. No 7 bs 812 part 111 1990 determine 10 percent fines value. Development of an alternative test procedure to bs812 for accelerated polishing of roadstones. The structural use of reinforced concrete in buildings. The test is carried out by using two machines, the accelerated polishing machine, and the skid resistance tester, ag190. The psv test calculates a polished stone value for aggregates used in road surfaces, and gives a measure of the resistance to skidding. The calibration procedure which follows is based on bs 812 partl 114.
This part of bs 812 decribes the method for determining the watersoluble chloride salt. No 12 bs 812 part 118 1988 determine of sulphate content. Aggregate impact value to bs812112 aggregates impact. Introduction to the bs 6001 attribute sampling system. This part of bs 812 has been prepared under the direction of the cement, gypsum, aggregate and quarry products standards policy committee, and is a revision of clause 8 of bs 8123. Mla cornwall public cat, cornwall enquiry and information service, version correct as of 19092011 14.
All apparatus described should conform to the general requirements of bs 812. Appendix a describes a qualitative test and appendix b describes a more rapid method of test than the test described in the main text. The good news is that bs 259992 has provided the main foundation of the new iso standard. However it will be replaced shortly by the european standard en 10978. Method for determination of the polishedstone value. Similarly, the particle is considered as flaky if its thickness is less than 0. This british standard, a part of the bs 812 series, describes methods for the determination of the ten per cent fines value tfv of aggregates which give a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load.
Determination and designation of grain size distribution. Describes two methods for determination of particle size distribution of samples of aggregates and fillers by sieving. Any departure from the specified test procedure shall be described with. Elongation index and flakiness index of coarse aggregate bs 812 part. Methods which give a relative measure of the resistance of an aggregate to sudden shock or impact. This british standard, a part of the bs 812 series, describes two methods for determining the sulphate content of aggregates. Test sieves, nominal size of apertures bs iso 84862. The first method determines the watersoluble sulphate content of aggregates, which applies to natural and synthetic aggregates to be used as drainage materials or for fill or hard core, e. Method for determination of the polishedstone value published by bsi on february 28, 1990 a description is not available for this item. The particle is considered as elongated if its length is more than 1. Elongation index and flakiness index of coarse aggregate. Method for determination of aggregate abrasion value aav historical version. Methods for determination of aggregate impact value aiv bulk density bs 812 2. 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 bs 812102.
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