Flood-Induced Hydrodynamic and Debris Impact Forces on Single-Span Masonry Arch Bridge

This paper explores flood-induced hydrodynamic and debris impact forces on masonry arch bridges using the numerical method smoothed particle hydrodynamics (SPH). Masonry make up a significant proportion of bridge stock in many parts world, including UK US. Although is durable form, those spanning watercourses can be vulnerable to effects flooding. Where fast flood flows impinge superstructure, highly transient behavior observed, which lead violent interactions, especially where carried by flow. investigates pressures typical single-span subject action discrete floating debris. Different orientations relative span are considered. Results revealed that presence an order magnitude greater than conditions alone. Furthermore, influence orientation at was significant, with 90° resulting higher peak shorter duration compared 0°.