It supersedes BS EN which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B//1. , DAY RATE: Sampling/Slump/Making/Storage BS EN /BS EN /BS EN /BS EN · Concrete Cube Coring Drilling, POA. Specifies a method for determining the consistency of fresh concrete by the slump test, which is sensitive to changes in the consistence of concrete and.
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For details of these and other benefits contact Membership Administration. Avoid over-vibration, which may cause loss of entrained air.
Their committees work with the manufacturing and service industries, government, businesses and consumers to 12350- the production of British, European and International standards.
ENTesting fresh concrete — Part 1: Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
BS EN 新拌混凝土试验.坍落试验 – MBA智库文档
It shall be of appropriate dimensions such that the concrete can be thoroughly re-mixed, using the square-mouthed shovel; 3. NOTE 1 In case of dispute, curing in water shall be the reference method.
Making and curing specimens for strength tests; Part 3: Users of British Standards should make sure that they possess the latest amendments or editions. Specifies a method for determining the consistency of fresh concrete by the slump test, which is sensitive to changes in the consistence of concrete and corresponds to slumps between 10mm and mm.
The test is not suitable when the maximum size of aggregate in the concrete is greater than 40 mm. It presents the UK view on standards in Europe and at the international level. Details and advice can be obtained from the Copyright and Licensing Manager.
BS EN 12350-1/BS EN 12350-2/BS EN 12390-2/BS EN 12390-2
The Amber document status indicator indicates that some caution is needed when using this document – it is bbs The compaction of specimens in the moulds using hand tamping, vibrating table, or internal poker vibrator are accepted as equivalent. A 123350-2 of organizations represented on this committee can be obtained on request to its secretary. Take precautions to avoid dry cement entering the eyes, mouth and nose whilst mixing concrete.
Regular checks should be made that surfaces of specimens in the chamber are continuously wet.
BS EN 12350-2:2009
If the slump continues to change over a period of 1 min after de-moulding, the slump test is not suitable as a measure of consistence. You may experience issues viewing this site in Internet Explorer 9, 10 or It is incorporated by Royal Charter. NOTE 1 Care should be taken not to damage the mould.
A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. Beyond these extremes the measurement of slump can be unsuitable and other methods of determining the consistency should be considered.
NOTE 1 Full compaction is achieved using mechanical vibration, when there no further appearance of large air bubbles on the surface of the concrete and the surface becomes relatively smooth with a glazed appearance, without excessive segregation. Shape, dimensions and other requirements of specimens and moulds; Part 2: Compliance with a British Standard cannot confer immunity from legal obligations. Dn wet concrete off the skin immediately.
Find Similar Items This product falls into the following categories. It supersedes BS EN BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Click here to find out how to access this document.