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It supersedes BS EN which is withdrawn.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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The test is not suitable when the maximum size of aggregate in the concrete is greater than 40 mm. Sampling ENTesting hardened concrete — Part 1: This document Older versions. Various BSI electronic information services are also available which give details on all its products and services.

Shape, dimensions and other requirements of specimens and moulds; Part 2: Curing specimens in a closely regulated humidity chamber is recognised as being equivalent to curing 12350–2 water. Users of British Standards should make sure that they possess the latest amendments or editions. Slump-test BS EN specifies a method for determining the consistence of fresh concrete by the slump test.

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

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 fn smooth be a glazed appearance, without excessive segregation. Copyright Copyright subsists in all BSI publications. The vibrator should be vertical and not allowed to touch the bottom or sides of the mould. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.

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

Want access to British Standards? Shape, dimensions and other requirements for specimens and moulds 3 Apparatus 3. Free to use BIM project management tool provides step-by-step help to define, manage and validate responsibility for information development and delivery at each stage of the asset life cycle in level 2 BIM projects.

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Contents of BS EN A list of organizations 112350-2 on this committee can be obtained on request to 123550-2 secretary. 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.

Cement and concrete technology, Test equipment, Specimen preparation, Reproducibility, Concretes, Precision, Workability, Sampling methods, Mechanical testing, Consistency mechanical property.

This document gs EN Compliance with a British Standard cannot confer immunity from legal obligations. It covers the preparation and filling of moulds, compaction of the concrete, levelling the surface, curing of test specimens and transporting test specimens.

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This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. It is incorporated by Royal Charter. It is the constant aim of BSI to improve the quality of our products and services. Compressive strength of test specimens; Part 4: Beyond these extremes the measurement of slump can be unsuitable and other methods of determining the consistency should be considered.

BS EN 新拌混凝土试验.坍落试验 – MBA智库文档

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. Please download Chrome or 12350-22 or view our browser tips.

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. BS EN specifies a method for determining the consistence of fresh concrete by the slump test.

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. Avoid over- vibration, which may cause loss of entrained air. For undated references, the latest edition of the referenced document including any amendments applies. Revisions British Standards are updated by amendment or revision.