Author: P. Pallett (Pallett TemporaryWorks Ltd)
1 December 2016
First published: 1 December 2016
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P. Pallett (Pallett TemporaryWorks Ltd)
This article explains the theory and background to backpropping and gives advice on the methods recommended to be adopted for backpropping calculations. It looks at the physics involved and how engineers and designers can mitigate damage to concrete slabs during construction. A second article, giving worked examples, with solutions to reduce overloading flat slabs during construction, will follow in the January 2017 issue.
Bamboo is a strong, fast growing and sustainable material, having been used structurally for thousands of years in many parts of the world. In modern times, it has the potential to be an aesthetically pleasing and low cost alternative to more conventional materials, such as timber, as demonstrated by some visually impressive recent structures.
This third article proposes: strengths and other properties for the scheme design of any bamboo species; a method for calculating characteristic strength values from test data; and a method for calculating design values of strengths for limit state design. It is believed to be the most up-to-date guide available for determining design values for bamboo elements.
This article provides a brief introduction to demolition practice in the UK, addressing the more technical aspects requiring engineering input.
Falsework is defined in BS 5975 as a temporary structure used to support a permanent structure while it is not self supporting. This article focuses on the use of proprietary equipment for the support of fresh concrete to horizontal surfaces. The principles and methods described are broadly applicable to all falsework.