Wave overtopping of seawalls, design and assessment manual

Report (1998)

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Copyright: © Environmental Agency
Overtopping Wave run-up
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Published Date

1998

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R&D technical report W178

Abstract

This manual draws together and summarises previous research into the overtopping performance of seawalls. Data is re-analysed to provide a set of consistent design techniques, representing the most reliable approach to the assessment of seawall overtopping by wave action. The manual consists of five principal sections. Following introductory sections 1 and 2, the third deals with the estimation of mean overtopping discharges. The fourth deals with the estimation of the number of overtopping waves and the peak individual overtopping discharges. The fifth section then examines the concept of a tolerable overtopping discharge and its potential application in design practice. The manual is intended to be used by flood and coastal defence engineers responsible for the design of new seawalls or the assessment and possible remediation of existing structures.