It supersedes BS EN which is withdrawn.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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This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations.

The mould should preferably be attached to, or firmly held against the table. This document supersedes EN The slump test is sensitive to changes in the consistence of concrete, which correspond to slumps between 10 mm and mm.

BS EN 新拌混凝土试验.坍落试验 – MBA智库文档

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. Take the smart route to manage medical device compliance. Free to use BIM project management tool provides step-by-step help to define, manage and validate responsibility for information development and delivery at rn stage of the asset life cycle in level 2 BIM projects.

Density of hardened concrete; Part 8: Sampling ENTesting hardened concrete — Part 1: Prevent skin contact with wet cement or concrete by wearing suitable protective clothing.

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ENTesting fresh concrete — Part 1: You may experience issues viewing this site in Internet Explorer 9, 10 or It presents the UK view on standards in Europe and at the international level. It supersedes BS EN BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. After compaction of each layer, tap the dn of the container smartly with the mallet until large bubbles of air cease to appear on the surface and bss left by the compacting rod or bar, are removed.

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BS EN 12350-1/BS EN 12350-2/BS EN 12390-2/BS EN 12390-2

For details of these and other benefits contact Membership Administration. This document Older versions. However, it was found in this programme that the use of an internal vibrator to compact specimens of air entrained fresh concrete should only be done with caution, if loss of entrained air is to 112350-2 avoided.

Compliance with a British Standard cannot confer immunity from legal obligations. 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.

Flexural strength of test specimens; Part 6: We would be grateful if anyone finding ba inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee be, the identity of which can be found on the inside front cover.

NOTE 2 Further guidance on methods of compaction for concretes having different consistencies or cast in different sizes of moulds, may be given in national annex NA. Compressive strength – Specification for testing machines; Part 5: The Amber document status indicator indicates that some caution is needed when using this document – it is either: Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services.

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Except as permitted under the Copyright, Designs and Patents Act no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means — electronic, photocopying, recording or otherwise — without prior written permission from BSI.

BS EN – Testing fresh concrete. Slump-test – BSI British Standards

The series EN includes the following parts: Click to learn more. Subject the concrete to a sufficient number of strokes per layer, typically 25 for concretes having a consistence equivalent to slump classes S1 and S2, in order to remove pockets of entrapped air but not the entrained air.

The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS. Avoid over-vibration, which may cause loss of entrained air.

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.