The Structural Engineer > Archive > Volume 76 (1998) > Issues > Issue 19 > Gas Explosions in Buildings in the UK: Regulation and Risk
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Gas Explosions in Buildings in the UK: Regulation and Risk

This paper is concerned with the effects of gas explosions in buildings, the design guidance given in the UK, and that which is proposed for Europe. With the imminent requirement to assess the European prestandard on accidental actions due to impact and explosion, this subject is now important throughout Europe and a consideration of current UK regulations is both timely and necessary. The paper describes the development of the UK regulations related to disproportionate collapse and the proposed European requirements for considering gas explosions in design. To provide information in support of future developments, the paper considers the frequency and severity of gas explosions in the UK, based on survey data compiled since 1971. This facilitates an evaluation of the risks involved with this type of accidental action. The different types of explosion which can occur and the likely pressures to be encountered are examined and used to interpret the information from the reported incidents. This suggests a variety of options which may be considered for future regulations. These are discussed, together with the implications of adopting the current European proposals. B.R. Ellis and D.M. Currie

Author(s): Ellis, B R;Currie, D M

Keywords: explosions;internal;progressive collapse;risk;research;regulations;codes of practice;eurocodes;design;blast;dynamic loads