Mobile QR Code QR CODE : Journal of the Korean Society of Civil Engineers
Title Estimation for Maximum Individual Wave Overtopping of a Rubble Mound Structure under Non-breaking Conditions
Authors 이종인(Lee, Jong-In) ; 정정국(Jeong, Jeong Kuk)
DOI https://doi.org/10.12652/Ksce.2021.41.6.0663
Page pp.663-673
ISSN 10156348
Keywords 개별 최대월파량; 평균월파량; 경사식구조물; 수리모형실험; 레일레이분포 파랑조건 Maximum individual wave overtopping; Mean wave overtopping; Rubble mound structure; Physical model test; Rayleigh-distributed wave condition
Abstract Normally, allowable mean overtopping discharge is used as a design parameter for coastal structures. The crest elevation of a structure must ensure wave overtopping discharge within acceptable limits for structural safety and the safety of pedestrians, vehicles, operations,
and so on. Some researchers have alternatively proposed using the maximum individual wave overtopping volumes as design criteria during a design storm, since these can provide a better design measure than the mean overtopping rate. This study contributes to the knowledge on maximum individual overtopping volumes in Rayleigh-distributed wave conditions. Two-dimensional physical model tests on typical rubble mound structure geometries were performed, and the new measurement method for individual overtopping was adopted. An empirical formula was proposed to predict the maximum individual overtopping volumes based on the mean overtopping rate, and the reduction effects by the armor crest width on the mean wave overtopping discharge were assessed.