BS EN 845-1 PDF

These include type of masonry to be tied, cavity width, type and height of building, location, and design life. There are several documents which need to be consulted and are summarised here. Eurocode 6 refers to EN for wall ties and sets the density of ties per square metre based on the declared value of the tie, the material factor and the design wind load. The material factor of 3. BS EN Specification for Ancillary Components for Masonry - Part 1: Ties, Tension Straps, Hangers and Brackets This European Standard specifies the requirements for wall ties used for interconnecting masonry and for connecting masonry to beams, columns or other parts of the building.

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The material factor of 3. BS EN Specification for Ancillary Components for Masonry - Part 1: Ties, Tension Straps, Hangers and Brackets This European Standard specifies the requirements for wall ties used for interconnecting masonry and for connecting masonry to beams, columns or other parts of the building. Materials, tolerances, tie variations and the requirements for declared values, are all covered in this standard.

For tie Types and qualifying criteria refer to PD For wall ties, the harmonised standard is BS EN detailed above. For more information or to download a Declaration of Performance, click here. It includes recommendations on tie lengths, embedment, density, material and positioning. Masonry-to-masonry ties are classified as Types 1 to 4; the relevant classification is determined by strength, function and use. Minimum declared values for tension and compression are listed for each tie Type.

The majority of information in this British Standard has been reproduced in PD BS Information is provided for the type of structure, location, embedment, density and positioning. These ties are classified as Types 5 to 7; minimum declared values in tension and compression are listed for Types 5 and 6. Although BS was officially withdrawn on the full implementation of Eurocodes in March , timber frame wall ties should continue to be selected from Types 5 to 7 as given in Annex B of BS Part 6.