(1) for units intended to be used in elements subject to structural requirements. (2 ) for units intended to be used in elements subject to fire requirements. This Guide to BS EN has been prepared to assist anyone involved in the design, specification and ordering of aggregate concrete blocks to understand. Buy BS EN SPECIFICATION FOR MASONRY UNITS – PART 3: AGGREGATE CONCRETE MASONRY UNITS (DENSE AND.

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The CBA publish data sheets and technical guidance on many typical block applications. The tabulated value or a 717-3 value is of no practical use as bond strength in practice will be dependent on a number of factors outside the control of the producer and a value could not be guaranteed fn being universally applicable, but only for a ba of specific conditions, which would be difficult to replicate on site.

March Replaced By: Group 3 and 4 units are not commonly manufactured for use in the UK. These are slightly higher than strengths determined to BS Aggregate concrete masonry units dense and light-weight aggregates. The compressive strength will need to be declared air dry. Some of these test methods are familiar but others are new.

Aggregate concrete masonry units advertisement.

This document Older versions. Want access to British Standards? There is no rn that over a period of 24 years BS has served our industry well in developing concise and unambiguous specifications for aggregate concrete bricks and blocks used in far ranging applications.

Your basket is empty. There is also a requirement for the parallelism of 7771-3 faces of units to be used with thin layer mortar in conjunction with the D4 tolerance category.

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And the results need to be classified according to BS EN Blocs en beton de granulats granulats courants et legers.

BS EN 771-3:2003

Document Status Indicators The Green document status indicator indicates that the document is: The appropriate test method is BS EN Search all products by. Find Similar Items This product falls into the following categories. Document Status Indicators The Green document status indicator indicates that the document is: Learn more about the cookies we use and how to change your settings.

It will replace BS in April after a month period of co-existence. Please download Chrome or Firefox or view our sb tips. Aggregate concrete masonry units bd and light-weight aggregates. This is an important distinction between the previous custom of specifying and ordering blocks based on dimensions in the order of length x height x width thickness.

Production of Exposed Aggregate Concrete. B there may be more recent versions of the document. Additionally includes concrete masonry units of an overall non rectangular parallelepiped shape, specially shaped and accessory units.

Understanding BS EN Aggregate concrete masonry units

Documents Flashcards Grammar checker. For facing units there is an optional but strongly recommended procedure for the site approval of the appearance of unit prior to their use. Closer tolerances on any dimension may also be declared by the manufacturer for any tolerance category. Inthe Concrete Block Association replaced the Aggregate Concrete Block Association as the trade body for manufacturers of aggregate concrete building block in Great Britain.

Aggregate concrete masonry units Dense and light-weight aggregates. Aggregate concrete masonry units Dense and light-weight aggregates AMD No longer current but cited in Building Regulations guidance. The manufacturer will declare whether a unit is category I or category II. Specifications pour elements de maconnerie.

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Supersedes BS EN A third party to monitor the factory production control system is not essential. These can be used in common, facing or exposed masonry in load bearing or non load bearing building and civil engineering applications, they are suitable for all forms of walling, such as single leaf, external leaf to chimneys, cavity wall, partitions, retaining, and basement.

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Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards. Click to learn more.