BS EN 771-3 PDF

(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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Background BS EN Aggregate concrete masonry units is written as a performance standard which means that all requirements are based on the finished product, rather than prescriptive standards which limit the materials that can be used in manufacture. Please download Chrome or Firefox or view our browser tips.

Understanding BS EN 771-3: Aggregate concrete masonry units

Customers who bought this product also bought BS EN March Replaced By: We use cookies to make our website easier to use and to better understand your needs. Performance testing, Bricks, Dimensional measurement, Conformity, Acoustic absorption, Thermal resistance, 7771-3 control, Density, Lightweight aggregates, Sound insulation, Cladding buildingsHeavyweight aggregates, Walls, Strength of materials, Masonry work, Thermal insulation, Concretes, Construction materials, Aggregates, Brickwork, Fire safety, 771- buildingConstruction systems parts, Marking, Construction engineering works, Performance, Dimensional tolerances.

Aggregate concrete masonry units dense and light-weight aggregates. Again there may be more recent versions of the document.

Tolerance D4 enn intended solely for blocks to be laid with thin joint mortar, a technique rarely used in the UK. You may find similar items within these categories by selecting from the choices below:.


BS EN 771-3:2003

There is also a requirement for the parallelism of bed faces of units to be used with thin layer mortar in conjunction with the D4 tolerance category. 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.

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There is 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. Click here to find out how to access this document. Cellular and hollow blocks will, depending on void content, will be described as Group 1 or 2 units. Blocs en beton de granulats granulats courants et legers.

Determines the characteristics vs performance requirements of aggregate concrete masonry units made from dense and lightweight aggregates or a combination gs both. The conditioning and surface preparation used need to be declared by the manufacturer. Supersedes BS EN BS EN puts lower limits on: Aggregate concrete masonry units. Understanding BS EN Aggregate concrete masonry units Dense and lightweight aggregates is a new harmonized Standard for aggregate concrete bricks and blocks.

Aggregate concrete masonry units dense and light-weight aggregates. Shell thickness Web thickness but these limits are generally much lower than used in current UK designs and are normally easily complied with using current aggregate block products.

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.


The Amber document status indicator indicates that some caution is needed when using this document – it is either: This standard is a fn. Additionally includes concrete masonry units of an overall non rectangular parallelepiped shape, specially shaped and accessory units. The appropriate test method is BS EN The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS.

The CBA publish eh sheets and technical guidance fn many typical block applications. Configuration also covers flatness requirements for the faces of facing quality units only, and flatness requirements for the bed surfaces of units to be used with thin layer mortar in D4 tolerance category.

Understanding BS EN Aggregate concrete masonry units

BS EN also categorizes units according to void percentages as follows: Production of Exposed Aggregate Concrete.

Take the smart route to manage medical device compliance. A third party to monitor the factory production control system is not essential. National Parent Leadership Month certificate. A category I unit would be approximately equivalent to special category bw defined in BS and would require third party certification and monitoring of the production control system.

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. Em pour elements de maconnerie.