(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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BS EN 771-3:2003
For facing units there is an optional but strongly recommended procedure for the site approval of the appearance of unit prior to their use. Learn more about the cookies we use and how to change your settings. Cellular and hollow blocks will, depending on void content, will be described as Group 1 or 2 units. This document Older versions.
This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. This 77-3 a harmonized European Standard and fully takes into account the requirements of the European Commission mandate Rn, Masonry and related products. The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS.
And the results need to be classified according to BS EN Aggregate concrete masonry units dense and light-weight aggregates. It will bw BS in April after a month period of co-existence. You may find similar items within these categories by selecting from the choices below:. Customers who bought this product also bought BS EN Specification for masonry units. Click to learn more.
Understanding BS EN Aggregate concrete masonry units
Document Status Indicators The Green document status indicator indicates that the document is: Wn concrete masonry units Important guidance for specifiers and users on a new Standard for aggregate concrete blocks Introduction BS EN The CBA publish data sheets and technical guidance on many typical block applications. Specifications pour elements de maconnerie.
Aggregate concrete masonry units Dense and lightweight aggregates is a new harmonized Standard for aggregate concrete bricks and blocks. Determines the characteristics and performance requirements of aggregate concrete masonry units made from dense and lightweight aggregates or a combination of both.
Supersedes BS EN 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 appropriate test method is BS ENClay and aircrete units use the same test method 7713 using different procedures within the method and these will lead to test results for the products, which cannot be directly compared. 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.
Requirements and test methods BS The tabulated value or a measured value is of no practical use as bond dn 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.
Shell thickness Web thickness but these limits bw generally much lower than used in current UK designs and are normally easily complied with using current aggregate block products. BS EN also categorizes units according to void percentages as follows: The compressive strength will need to be declared air dry. E Parent Leadership Month certificate. 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 e continue to make the specification and procurement of aggregate concrete blocks as straightforward as possible.
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. Course description and competencies. Document Status Indicators The Green document status indicator indicates that the document is: File – IB Economics.
These can be used in common, facing or exposed masonry in load bearing or non load enn 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.
Understanding BS EN The net dry density is rarely likely to be a necessity in practice. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.