Their committees work with the manufacturing and service industries, government, businesses and consumers to. Sampling 3 principle this test determines the consistency of fresh concrete by measuring the spread of concrete on a flat plate which is subjected to jolting. Specification, performance, production and conformity hard concrete. Note the requirement for remixing the sample before tests on the fresh concrete, or before making test specimens, is included in the relevant standards.
With over 100 years of experience the british standards institute is recognised as the uks national standards body. Bs en 12350 2 pdf it supersedes bs en which is withdrawn. Free download bs en 12390 1 pdf standard from public. Publisher information british standards institution.
Bs en 12390 1 2000 testing hardened concrete part 1 shape, dimensions and other requirements for specimens and. This european standard specifies two procedures for sampling fresh concrete, by composite sampling and by spot sampling. The sample shall be remixed, using the remixing containe r and square mouth shovel, before filling the moulds. Covid 19 ics codes astm standards annual book of astm standards bs standards csn standards din standards. Concrete cubes are made on site to check that the strength of the concrete is above the minimum strength which has been specified. Bs en 12350 1 pdf buy bs en testing fresh concrete part 1.
Nov 22, 2018 bs en 12350 1 bs en 12350 2 bs en 123902 bs en 123902. Sampling bs 1235 1 specifies two procedures for sampling fresh concrete, by composite sampling and by spot sampling. Bs en 12350 1 to ensure it is representative of the whole truck load a standard sample consists of scoopfuls taken from four different parts of the load and collected in buckets. Making, curing and testing cubes should be carried out in the correct manner. This standard is one of a series concerned with testing concrete. Description download bs en 12350 22009 testing fresh concrete. Even small deviations from the standard procedures will usually lead to compressive strength results which are lower than the. Significance and use the slump test was originally developed to provide a technique to monitor the consistency of unhardened concrete. Tensile splitting strength of test specimens 1930400725 dc bs iso 8405. Scoopfuls must be taken through the moving stream, as the load is discharged, sampling the whole width and complete a sampling certificate and record which sampling. Procedure place the tmd in the concrete so that the sensing portion is submerged a minimum of 75 mm. All bsi british standards available online in electronic and print formats. Characterization of selfcompacting concrete sciencedirect.
Bs en 12350 1 2000 testing fresh concrete part 1 sampling from the largest open online library. Shape, dimensions and other requirements for specimens and moulds bs en 123906. Sampling and common apparatus din en 12350 1 european standards high quality certified nano face mask in stock. The uk participation in its preparation was entrusted to technical committee b 1.
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