BS EN 12350-8 PDF

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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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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. As the voice of the U. The result is an indication of the filling ability of self-compacting concrete.

The construction of the plate shall be such as to prevent distortion. Organizations of all sizes and across all sectors choose standards to help Copyright them achieve their goals. If the t time has been requested, start the stop watch immediately sn cone ceases to be in contact with the baseplate and record the time taken to the nearest 0,1 s for the concrete to first touch the mm circle After the flow of concrete has stabilized without disturbing the baseplate or concrete, measure the largest diameter of the flow spread and record as 123350-8 to the nearest 10 mm.

Customer Services If you need international and foreign standards from other Standards Development Tel: Fill the cone in one operation without any agitation or mechanical compaction, and strike off surplus from the top of the cone. Need more than one copy? We have no amendments or corrections for this standard.

Users are responsible for its correct application. 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. 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. 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.

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Your Alert Profile lists the documents that will be monitored. We have no document history for this standard. Place the cone centrally within the mm circle on the baseplate and hold in 123508 by standing on the foot pieces or use the collarensuring that no concrete can leak from under the cone. All lines to be a maximum of 2,0 mm wide and 1,0 mm deep. NOTE The collar allows the test to be carried out by one person.

Dimensions in millimetres Figure 1 — Baseplate Dimensions in millimetres Figure 2 b Example of dimensions of a steelweighted collar 5 Test sample The sample shall be obtained in accordance with EN A list of organizations represented on this committee can be obtained on request to its secretary.

All the data, software and bx 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 has formally licensed such information to BSI for to succeed.

ENTesting fresh concrete, consists of the following parts: Fit the collar to the cone if being used. For further information, email bsmusales.

BS EN 12350-8:2010

The plate shall have a flat, smooth surface. This European Standard specifies the procedure for determining the slump-flow and t time for eb concrete.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.

If cement or concrete enters the eye, immediately wash it out thoroughly with clean water and seek medical treatment without delay. E worldwide for CEN national Members. Check the concrete spread for signs of segregation and report under item 8, f in a qualitative way, e.

Licences can cover as few or as many users as you wish. The fresh concrete is poured into a cone as used for the EN slump test.

Find out more about British Standards by visiting our website at commercial publication and use. If the document is revised or amended, you will be notified by email.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Measurement of the t time may be omitted if not requested.

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

Please first log in with a verified email before subscribing to alerts. This publication does not purport to include all the necessary provisions of a contract. 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.

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

Already Subscribed to this document. A number of test methods including this test are available for testing fresh SCC.

The deviation from flatness shall not exceed 3 mm at any point when a straight edge is placed between opposing sides and corners. Clean the table and the cone and dampen immediately prior to testing, but keep free from excess moisture.

Subscription pricing is determined 123500-8 For undated references, the latest edition of the referenced document including any amendments applies. About us Revisions Rn bring together business, industry, government, consumers, innovators Our British Standards and other publications are updated by amendment or revision.

Slump-test 3 Principle The slump-flow and t time is used to assess the flowability and the flow rate of self-compacting concrete in the absence of obstructions. This standard is also available to be included in Standards Subscriptions. You can download and open this file to ej own computer but DRM prevents opening this file on another computer, including a networked server.

Prevent skin contact with wet cement or concrete by wearing suitable protective clothing. These should address three key properties: The test is not suitable when the maximum size of the aggregate exceeds 40 mm. The test is not suitable when the maximum size of the aggregate exceeds 40 mm.