James Sutherland History Lecture 2005: Stone cantilevered staircases

Author: Sam Price and Helen Rogers

Date published

18 January 2005

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James Sutherland History Lecture 2005: Stone cantilevered staircases

The Structural Engineer
James Sutherland History Lecture 2005: Stone cantilevered staircases
Date published

18 January 2005

Author

Sam Price and Helen Rogers

Price

Standard: £9 + VAT
Members/Subscribers: Free

Buy Now
Author

Sam Price and Helen Rogers

This paper throws some light on the structural mechanics of these stairs, and proposes a method for calculating the stresses.

Updated 12 March 2020

Cantilevered stone staircases have been in use in England for over 350 years. For at least 200 of these years they were the standard answer for the principal flights in almost all decent town houses. Many thousands must have been built across Europe.

Practically all are still in use today, so they have stood the test of time and are structurally sound. And yet there are still concerns about their real strength.

Problems like the dislodging of a tread at the bottom of a flight in Bedford Square raise worries, and engineers asked to check and approve existing stairs for crowd loading are uncertain how to proceed.

The purpose of this paper is to throw some light on the structural mechanics of these stairs, and to propose a method for calculating the stresses. The paper concludes with some examples of new staircases designed by the authors, made of stone, of precast concrete and of wood.

Additional information

Format:
PDF
Publisher:
The Institution of Structural Engineers

Tags

History Masonry - stone Issue 2

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