Author: The Institution of Structural Engineers
2 July 2012
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The Institution of Structural Engineers
(This article was updated in October 2016 to reflect errata issued since its original publication.)
This guide explains the various methods that can be adopted to ensure that lateral stability to structures is achieved. This note also highlights the need for robustness in structures as it is regarded as an aspect of structural design that can have an impact on strategies adopted for lateral stability. All of the guides in this series have an icon based navigation system, designed to aid the reader. Access more Technical Guidance Notes through our series homepage .
When developing a scheme for a structure, the choice of floor slab construction is critical to the columns, foundations, walls and overall stability. As such, the floor slab’s form should be selected with care and consideration. This Technical Guidance Note provides information about a number of common floor construction forms that are currently available. It focuses on concrete based solutions: some acting compositely with steel elements, such as reinforcement and/or steel members. Descriptions of each flooring system together with their key features (which cover topics such as buildability, aesthetics and compatibility of other elements e.g. building services) are included. Please be aware that floor slab technology is continually evolving and that new floor slab solutions continue to become available as a result. (This article was updated in October 2016 to reflect errata issued since its original publication.)
When designing foundations for a structure there is a need to determine the bearing capacity of the soil. This applies to all forms of foundation, from a simple pad footing to a pile cap. The bearing stress capacity of the soil is the key variable that has a direct impact on the form and size of foundations. This Technical Guidance Note explains the principles of how bearing capacity of soils are determined and how it impacts on the design of foundations.