Technical Guidance Note (Level 2, No. 19): Design and detailing of windposts to masonry walls

Author: C. O'Regan (AECOM)

Date published

2 January 2019

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Technical Guidance Note (Level 2, No. 19): Design and detailing of windposts to masonry walls

Technical Guidance Note (Level 2, No. 19): Design and detailing of windposts to masonry walls
The Structural Engineer
Author

C. O'Regan (AECOM)

Date published

2 January 2019

Author

C. O'Regan (AECOM)

Price

Standard: £9
Members/Subscribers: Free

Buy Now

Historically, masonry walls were designed as principal loadbearing elements of a structure. They were very thick and were able to withstand lateral loads due to their stocky geometry. Today, however, the status of brick walls within large buildings has been reduced to that of simple single-skin rainscreens that are little more than large thin panels of masonry.

These panels are quite slender to the point where they usually require additional horizontal support to make them stable. The same can also apply to cavity walls, where both skins are incapable of resisting lateral loads.

The element that provides this support to masonry panels is a vertical prop known as a ‘windpost’. Its principal role is to provide lateral support against destabilising horizontal forces that typically originate from wind pressure – hence, the name.

Windposts are typically steel elements – either open sections, such as channels or angles, or closed sections, such as rolled hollow rectangular sections. This Technical Guidance Note provides guidance on the design and detailing of windposts relating to their incorporation into building structures.

Additional information

Format:
PDF
Pages:
3
Publisher:
The Institution of Structural Engineers

Tags

Technical Guidance Notes Technical Guidance Notes (Level 2) Technical Guidance Notes Technical Issue 1

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