(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.

BS EN 771-3:2003

Document Status Indicators The Green document status indicator indicates that the document is: Search all products by. Specifications pour elements de maconnerie. 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. Learn more about the cookies we use and how to change your settings.

Understanding BS EN Aggregate concrete masonry units

Tolerance D4 is intended solely for blocks to be laid with thin joint mortar, a technique bz used in the UK. Please download Chrome or Firefox or view our browser tips.

7771-3 Group 3 and 4 units are not commonly manufactured for use in the UK. The Red document status indicator indicates that the document 771- an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS.

You may find similar items within these categories by selecting from the choices below:. Closer tolerances on any dimension may also be declared by the manufacturer for any tolerance category.

77-13 You may experience issues viewing this site in Internet Explorer 9, 10 or The check is to be seen as a qualification test and need only be repeated in the case of principal changes to the design dimensions of units.

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Take the smart route to manage medical device compliance. Specification for masonry units.

Aggregate concrete masonry units dense and light-weight aggregates. Again there may be more recent versions of the document. Accept and continue Learn more about the cookies we use and how to change your settings. The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS.

Aggregate concrete masonry units dense and light-weight aggregates. 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. 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.

Find Similar Items This product falls into the following categories. It will replace BS in April after a month period of co-existence. March Replaced By: Aggregate concrete masonry units Dense and light-weight aggregates AMD No longer current but cited in Building Regulations guidance.

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. 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.

Aggregate concrete masonry units dense and light-weight aggregates Status: This standard is a hEN. The appropriate test method is BS EN Document Status Indicators The Green document status indicator indicates that the document is: 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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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. 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.

Again there may be more recent versions of the document. These are slightly higher than strengths determined to BS National Parent Leadership Month certificate.

Want access to British Standards? BS EN also categorizes units according to void percentages as follows: Documents Flashcards Grammar checker. Aggregate concrete masonry units advertisement. 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 conditioning and surface preparation used need to be declared by the manufacturer.

We use cookies to make our website easier to use and to better understand your needs. Requirements and test methods BS Aggregate concrete masonry hs Dense and lightweight aggregates is a new harmonized Standard for aggregate concrete bricks and blocks. Blocs en beton de granulats granulats courants et legers. The standard also requires net dry density to be given when it is relevant to the application.

The test method for dimensions is BS EN Click to learn more. 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.