ON THE EFFECT OF ARMOUR BLOCK FACING ON THE QUANTITY OF WATTE OVERTOPPING

Naofumi Shiraishi; Atusushi Numata; Taiji Endo

doi:10.9753/icce.v11.55

No. 11 (1968), Conference Proceedings

No. 11 (1968)

ON THE EFFECT OF ARMOUR BLOCK FACING ON THE QUANTITY OF WATTE OVERTOPPING

Conference Proceedings

https://doi.org/10.9753/icce.v11.55

Published 1968-01-29

Naofumi Shiraishi⁺⁻
Atusushi Numata⁺⁻
Taiji Endo⁺⁻

Naofumi Shiraishi

NIPPON TETRAPOD Co., Ltd.

Atusushi Numata

Tohoku University

Taiji Endo

NIPPON TETRAPOD Co., Ltd.

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Keywords

armor block facing
wave overtopping
armor block design

How to Cite

Shiraishi, N., Numata, A., & Endo, T. (1968). ON THE EFFECT OF ARMOUR BLOCK FACING ON THE QUANTITY OF WATTE OVERTOPPING. Coastal Engineering Proceedings, 1(11), 55. https://doi.org/10.9753/icce.v11.55

Abstract

Japan, surrounded by sea, is constantly threatened by storm surges and beach erosions, for which protection works are being vigorously undertaken. As a measure for protection, facings of various armour blocks have come to be used for the seawalls and embankments. This is a skillful utilization of characteristic functions of armour blocks to dissipate and absorb wave energy effectively. However, systematic experiments and studies on this subject have been conducted only in very few cases. This paper treats of the effect of the facing of armour blocks on wave overtopping by comparison of the quantity of waves topped over the vertical seawal] with facing and that of without facing. Furthermore, this paper attempts to compare the results of the field observation and the experiments on the quantity of wave overtopping. Based on these data, the authors present a design criterion of the crown height of seawall with armour block facing.

https://doi.org/10.9753/icce.v11.55

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ON THE EFFECT OF ARMOUR BLOCK FACING ON THE QUANTITY OF WATTE OVERTOPPING

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