The Structural Engineer > Archive > Volume 48 (1970) > Issues > Issue 12 > Practical Limits to Loadings and Strength and their Effects on Safety
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Practical Limits to Loadings and Strength and their Effects on Safety

The strength and loading statistics used as a background to structural safety measures in design are commonly expressed by frequency distributions in mathematical form. This paper points out that the more relevant parts of frequency distributions-the lower tails of strength curves and the upper tails of loading curves-are in practice limited or truncated. The effects of this are illustrated by a bridge example, using a numerical procedure to deal with the non-mathematical frequency curves involved. The value of proof tests on structures and of controls over their loading is demonstrated. Sir Alfred Pugsley

Author(s): Pugsley, Sir Alfred

Keywords: safety;strength;loads;statistics