Testing hardened concrete. - ISO PDF Download

BS EN 12390-7:2019 pdf free

BS EN 12390-7:2019 pdf free.Testing hardened concrete. 4 Apparatus 4.1 Callipers and rules, with a maximum permissible error of 0,5 % of the dimension, for measuring the dimensions of the specimens. 4.2 Balance, equipped with a stirrup for weighing the specimen in both air and water with a maximum permissible error of 0,1 g of the mass. 4.3 Water tank,...

06-11

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BS EN 12390-3:2019 pdf free

BS EN 12390-3:2019 pdf free.Testing hardened concrete. The load bearing surfaces of the specimen shall be moulded in the case of cube specimens or ground or capped in accordance with Annex A in the case of cylinder, core or adjusted specimens. After removal of the specimen from curing, the specimens shall be tested for strength as soon as practicable, but...

06-09

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BS EN 12390-2:2019 pdf free

BS EN 12390-2:2019 pdf free.Testing hardened concrete. 6.2.2.2 Compacting with vibrating table Apply the vibration for the minimum duration necessary to achieve full compaction of the concrete. The mould should preferably be attached to, or firmly held against the table. Avoid over-vibration, which may cause loss of entrained air. 6.2.3 Compacting by hand with compacting rod or bar Distribute the...

06-09

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BS EN 12390:17:2019 pdf free

BS EN 12390:17:2019 pdf free.Testing hardened concrete. The loading frame shall be sufficiently rigid to ensure uniform loading of the specimen(s) and capable of applying and maintaining the required load to within ± 3 % on the specimen or group of specimens for the duration of the test, irrespective of any change in the dimension of the specimen(s). NOTE 1...

06-05

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BS EN 12390-12:2020 pdf free

BS EN 12390-12:2020 pdf free.Testing hardened concrete Determination of the carbonation resistance of concrete - - Accelerated carbonation method. BS EN 12390-12 1 Scope This document quantifes the carbonation resistance of concrete using test conditions that accelerate the rate of carbonation. After a period of preconditioning, the test is carried out under controlled exposure conditions using an increased level of...

05-02

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