BS EN 12350-2 PDF

It supersedes BS EN which is withdrawn.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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Compressive strength of test specimens; Part 4: Learn more about the cookies we use and how dn change your settings. The sample shall be re-mixed, 12350- the remixing container and square mouth shovel, before filling the moulds. 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.

For dated references, only the edition cited applies. You may experience issues viewing this site in Internet Explorer 9, 10 or The series EN includes the following parts: A version in any other language made by ej 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.

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

For details of these and other benefits contact Membership Administration. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards. Accept and continue Learn more about the cookies we use and how to change your settings.

Wash wet concrete off the skin immediately. Sampling ENTesting hardened concrete 12350-22 Part 1: This document supersedes EN Making and curing specimens for strength tests; Part 3: Various BSI electronic information services are also available which give details on all its products and services. Curing specimens in a closely regulated humidity chamber is recognised as being equivalent to curing in water.

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It is incorporated by Royal Charter. We use cookies to make our website easier to use and to better understand your needs. The test is not suitable when the maximum size of aggregate in the concrete is greater than 40 mm.

Slump-test BS EN specifies a method for determining the consistence of fresh concrete by the slump test. EN Testing hardened concrete — Part 1: Beyond these extremes the measurement of slump can be unsuitable and other methods of determining the consistency should be considered. BS EN specifies a method for determining the consistence of fresh concrete by the slump test.

BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Again there may be more recent versions of the document. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.

Your basket is empty. The slump test is sensitive to changes in the consistence of concrete, which correspond to slumps between 10 mm and mm. Avoid over- vibration, which may cause loss of entrained air. Depth of penetration of water under een. Want access to British Standards?

BS EN 新拌混凝土试验.坍落试验 – MBA智库文档

In the case of self-compacting 123350-2, the mould shall be filled in one operation and no mechanical compaction shall be applied during filling or after the mould is filled. Customers who bought this product also bought BS EN Users are responsible for its correct application.

This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Octoberand conflicting national standards shall be withdrawn at the latest by October 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 123350-2 of entrapped air but not the entrained air.

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Compressive strength – Specification for testing machines; Part 5: It supersedes BS EN Take precautions to avoid dry cement entering the eyes, mouth and nose whilst mixing concrete. A list of organizations represented on this committee can be obtained on request to its secretary. If cement or concrete enters the eye, immediately wash it out thoroughly with clean water and seek medical treatment without delay.

Click here to find out how to access this document. For undated references, the latest edition of the referenced document including any amendments applies.

The mould should preferably be attached to, or firmly held against the table. The compaction of specimens in the moulds using hand tamping, vibrating table, or internal poker vibrator are accepted as equivalent. It shall be of appropriate dimensions such that the concrete can be thoroughly re-mixed, using the square-mouthed shovel; bd.

BS EN 12350-2:2009

Users of British Standards should make sure that they possess the latest amendments or editions. Revisions British Standards are updated by amendment or revision. Details and advice can be obtained from the Copyright and Licensing Manager.

Flexural strength of test specimens; Part 6: NOTE 1 In case of dispute, curing in water shall be the reference method.

Tensile splitting strength of 122350-2 specimens; Part 7: NOTE 2 Laboratory tests have shown that great care is needed if loss of entrained air is to be avoided when using an internal vibrator.