Author: The Institution of Structural Engineers
2 August 2012
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The Institution of Structural Engineers
This Technical Guidance Note describes how drawings for structural steelwork are developed and read. They have their own unique set of rules and nomenclature and it is important for engineers to understand all of these rules in order to communicate and interpret the design of steelwork structures. This guide is split into two sections; the ﬁrst contains the information a designer of the steel elements provides, whilst the second contains the information a fabricator creates in order to manufacture and construct the steel structure. While one feeds into the other, the level of detail each set of information provides is very different, due primarily to the end result. One is informing the manufacture of the steelwork, while the other focuses on its installation.
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.)
This Technical Guidance Note is an introduction to the assessment of floor vibrations. Since the adventof lighter structures that have longer spanning elements within them, the built in dampening effectbuildings have had historically has become less pronounced. Despite this, floor vibration canbe an overlooked criterion during the design process. This can lead to expensive remedial works being carried out on structures after they have been built, as occupants complain of discomfort due to excessive movements and vibrations. (This article was updated in October 2016 to reflect errata issued since its original publication.)