December 26, 2018

BS EN 12350-1 FREE DOWNLOAD

Subject the concrete to a sufficient number of strokes per layer, typically Quantity at least 1. Again there may be more recent versions of the document. This test is considered applicable to: Email required Address never made public. If the tamping operation of the top layer results in subsidence of the concrete below the top edge of the mould, add more concrete to keep an excess above the top of the mould at all times.

bs en 12350-1

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Leave a Reply Cancel reply Enter your comment here Accept and continue Learn more about the cookies we use and how to change your settings. Apparatus Container, large enough to provide at least 75 mm of concrete in all directions around the sensor of the temperature measuring device, or at least three times the NMAS Nominal Maximum Aggregate Sizewhichever is greater. Click to learn more. I have a presentation subsequent week, and I am on the look for such info.

Fill in your details below or click an icon to log in: Worldwide Standards We can source any standard from anywhere in the world. Significance and Use The slump test was originally developed to provide a technique to monitor the consistency of unhardened concrete. Need more than one copy?

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Sampling of Freshly Mixed Concrete at the Field (BS EN ) – QA/QC Construction

Record the date and time of sampling. Email required Address never made public.

Please first verify your email before subscribing to alerts. When mixing and sampling of concrete is done in a laboratory, different procedures may be required.

bs en 12350-1

Your Alert Profile lists the documents that will be monitored. Customers who bought this product also bought BS EN Difference of the two samplings — Composite sampling is 123501 diverse as it is the representative of the whole truck load.

Compaction of the concrete The concrete shall be compacted immediately after placing in the moulds in such a way as to produce full compaction of the concrete with neither excessive segregation nor bw. The mold is raised and the concrete allowed to subside.

Raise the mold carefully in a vertical direction with no lateral or torsional motion Raise the mold in 2 to 5 sec. Mechanical vibration using Compacting with an internal vibrator Apply the vibration for the minimum duration necessary to achieve full compaction of the concrete.

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Ways of how the sample shall be vibrated: This site uses cookies.

bs en 12350-1

What is the time limit before placing of fresh concrete? This document Older versions.

Surface leveling Remove the excess concrete above the upper edge of the mould using the steel trowel or float and carefully level the surface. You are commenting using your Facebook account. Your basket is empty. Already Be to this document.

Proceed to Checkout Continue Shopping. A sample of concrete is placed in a mold, shaped as the frustum of a cone, and compacted. This standard is e included in any packages.

BS EN 12350-1:2009

Create a website or blog at WordPress. The first school of thought is rather straightforward: The vertical distance between the height 12530-1 the mould and the highest point is measured and recorded as the slump in mm. These limits are sufficient for normal UK temperatures.