Date Published

17 August 2022

Document Type




The Eurocode system of structural design standards requires that the actions which can be reasonably anticipated on a member, component or structure, do not cause vibrations that can impair the function of the structure or cause unacceptable discomfort to the users. Hence, the limit state design method presented in Eurocode 5 now incorporates a
vibration assessment method under the serviceability limit state design.

Key Information

The problem of footfall induced floor vibration is introduced within this module. A brief introduction to the mechanics of vibration is followed by an identification of various vibration inducing causes present in a floor system.

The structural response to vibration is then looked at and an attempt to define what is an acceptable level of vibration is also made.

Improvements to a floor system that could improve vibration performance are also mentioned.

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Case studies

Abbotsford was the home of Sir Walter Scott (1771-1832), author of Ivanhoe, Waverley and The Lady of the Lake and in his time the most popular novelist of the day with readers all over the world.

Dungeness Beach in Kent is the largest area of shingle in Europe – 1,600 hectares of it. The harsh and dramatic landscape, dominated by the bulk of Dungeness B power station and dotted with a cottage or a fisherman’s weekend hut, is an architectural conservation area and has been designated a Site of Special Scientific Interest (SSSI) to preserve its unique ecology of grasses and shingle plants.