BS EN 12350-8 PDF

BS EN BRITISH STANDARD National foreword This British Standard is the UK implementation of EN This publication does not. Find the most up-to-date version of BS EN at Engineering PREN Draft BS EN Testing fresh concrete. Part 8: Self- compacting concrete – Slump-flow test.

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It is desirable, especially in the case of new constituents or new concrete compositions, to test the consistence of fresh SCC before casting in place.

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The largest diameter of the flow spread of the concrete and the diameter of the spread at right angles to it are then measured and the mean is the slump-flow. Proceed to Checkout Continue Shopping.

Find out more about British Standards by visiting our website 123508- commercial publication and use. Since SCC has to give satisfactory in-situ properties perfect filling of the mould and embedment of the reinforcement, homogeneity and full compaction without vibration, the proper methods for testing the fresh SCC are very important.

All lines to be a maximum of 13250-8 mm wide and 1,0 mm deep. The t time is a measure of the speed of flow and an indication of the relative viscosity of the self-compacting concrete.

Allow the filled cone to stand for not more than 30 s; during b time remove any spilled concrete from the baseplate. 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.

The use of SCC in practical concrete construction is steadily increasing. About us Revisions We bring together business, industry, government, consumers, innovators Our British Standards and other publications are updated by amendment or revision. Owing to its significant advantages in the improvement of construction quality and working environment, self- compacting concrete SCC has been widely accepted by the construction owners.

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For dated references, only the edition cited applies. We have no document history for this standard.

BS EN 12350-8:2010

Check the concrete spread for signs of segregation and report under item 8, f in a qualitative way, e. This standard is one of a series concerned with testing fresh concrete. The surface shall not be readily attacked by cement paste or be liable to rusting. It is based on the slump 1235-08 described in EN Then measure the diameter of the flow spread at right angles to d to the nearest 10 mm and record as d to the nearest 10 mm.

The result is an indication of the filling ability of self-compacting concrete. The plate shall have a flat, smooth surface.

A number of test methods including this test are available for testing fresh SCC. Sn 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.

BS EN – Testing fresh concrete. Self-compacting concrete. Slump-flow test

Dimensions in millimetres Figure 1 — Baseplate Dimensions in millimetres Figure 2 — Example of dimensions of a steelweighted collar 5 Test sample The sample shall be obtained in accordance with EN bz We have no amendments or corrections for this standard.

E worldwide for CEN national Members. The construction of the plate shall be such as to prevent distortion. If cement or concrete enters the eye, immediately wash it out thoroughly with clean water and seek medical treatment without delay. NOTE The collar allows the test to be carried out by one 112350-8.

Prevent skin contact with wet cement or concrete by wearing suitable protective clothing. If the plate is made from other materials, in-use performance test data shall be available which demonstrates long-term equivalence with steel plate. All the data, software and documentation set out in all British Standards and Information on standards other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the information used such as the international We can provide you with the knowledge that your organization needs standardization bodies and ns formally licensed such information to BSI for bz succeed.

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The resulting values for r and R are given in Tables 1 and 2. This standard is also available to be included in Standards Subscriptions. The deviation from flatness shall not exceed 3 mm 12350- any point when a straight edge is placed between opposing sides and corners. For further information, email bsmusales. Please first log in with a verified email before subscribing to alerts.

Fill the cone in one operation without any agitation or mechanical compaction, and strike off surplus from the top of the cone. According to the results from this EU project, it seems no single test method can completely cover all three key properties. Subscription pricing is determined by: These should address three key properties: Organizations gs all sizes and across all sectors choose standards to help Copyright them achieve their goals.

Take precautions to avoid dry cement entering the eyes, mouth and nose whilst mixing concrete. Lift the cone vertically in 1 gs to 112350-8 s in one movement without interfering with the flow of concrete. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

For undated references, the latest edition of the referenced document 123350-8 any amendments applies. The report may include: Already Subscribed to this document. If you find an inaccuracy or ambiguity within a British Standard or other The knowledge embodied in our standards has been carefully assembled in BSI publication please inform the Knowledge Centre.

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