(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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Aggregate concrete masonry units dense and light-weight aggregates. A category I unit would be approximately equivalent to special category as defined in BS and would require third party certification and monitoring of the production control system.
Blocs en beton de granulats granulats courants et legers. Background BS EN Aggregate concrete masonry units is written as a performance standard which means that all requirements are be on the finished product, rather than prescriptive standards which limit the materials that can be used in manufacture.
The manufacturer will declare whether a unit is category I or category II.
Understanding BS EN Aggregate concrete masonry units
Find Similar Items This product falls into the following categories. Aggregate concrete masonry units dense and light-weight aggregates. Again there may be more recent versions of the document.
The tabulated value or a measured 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 as being universally applicable, but only for a set of specific conditions, which would be difficult to replicate on site.
These are slightly higher than strengths determined to BS This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. Aggregate concrete masonry units Important guidance for specifiers and users on a new Standard for aggregate concrete blocks Introduction BS EN Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
The enn strength will need to be declared air dry. Requirements and test methods BS Like most British Standards it has been necessary to adapt BS to suit an enlarged market as well as to reflect up to date materials testing and regulatory requirements.
Intended to assist anyone involved in the design, specification and ordering of aggregate concrete blocks to understand the changes made in the latest standard and thereby continue to make the specification and procurement of aggregate concrete blocks as straightforward as possible. There b no doubt 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.
In 7771-3, the Concrete Block Association replaced the Aggregate Concrete Block Association as the trade body for manufacturers of aggregate concrete building block in Great Britain.
BS EN 771-3:2003
The Amber document status indicator indicates that some caution e needed when using this document – it is either: Want access to British Standards?
The standard also requires net dry density to be given when it is relevant to the application. This document Older versions. Some of these test methods are familiar but others are new.
Cellular and hollow blocks will, depending on void content, will be described as Group 1 or 2 units.
Understanding BS EN 771-3: Aggregate concrete masonry units
Aggregate concrete masonry units Dense and lightweight aggregates is a new harmonized Standard for aggregate concrete bricks and blocks. For facing units there is an optional bx strongly recommended procedure for the site approval of the appearance of unit prior to their use.
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It will replace BS in April after a month period of co-existence. The appropriate test method is BS ENClay and aircrete units use the same test method but using different procedures within the method and these will lead to test results for the products, which cannot be directly compared. 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. Click to learn more.
The main advantages of using these units are for fire protection, thermal insulation, sound insulation and sound absorption. Please download Chrome or Firefox or view our browser tips.
Specification for masonry units. March Replaced By: Aggregate concrete masonry units Dense and light-weight aggregates. Documents Flashcards Grammar checker. Blocs en beton de granulats granulats courants et legers Title in German Festlegungen fuer Mauersteine. BS EN also categorizes units according to void percentages as follows: 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.
The conditioning and surface preparation used need to be declared by the manufacturer. This standard is a hEN. Specifications pour elements de maconnerie. Understanding BS EN