The Structural Engineer > Archive > Volume 64 (1986) > Issues > Issue 16 > Correspondence on Stability Fundamentals in Relation to Masonry Arches by Professor A. Jennings
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Correspondence on Stability Fundamentals in Relation to Masonry Arches by Professor A. Jennings

Dr. 0. Vilnay (University College, Cardiff): For a long time, the stability of masonry arches has been confused with the problem of equilibrium and strength. It was generally assumed that, where it is possible to establish a thrust line lying wholly within the arch, the arch is stablec. However, this situation indicates only that the load is sustained by internal compression and does not indicate anything about the stability of the arch.