INVESTIGATIONS ON QUARRY STONE TOE BERM STABILITY

Markus Muttray; Bas Reedijk; Richard de Rover; Bart van Zwicht

doi:10.9753/icce.v34.structures.77

No. 34 (2014), Coastal Structures

No. 34 (2014)

INVESTIGATIONS ON QUARRY STONE TOE BERM STABILITY

Coastal Structures

https://doi.org/10.9753/icce.v34.structures.77

Published 2014-12-02

Markus Muttray⁺⁻
Bas Reedijk⁺⁻
Richard de Rover⁺⁻
Bart van Zwicht⁺⁻

Markus Muttray

Delta Marine Consultants

Bas Reedijk

Delta Marine Consultants

Richard de Rover

Delta Marine Consultants

Bart van Zwicht

Delta Marine Consultants

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Keywords

rubble-mound breakwater
rock toe
toe berm stability

How to Cite

Muttray, M., Reedijk, B., de Rover, R., & van Zwicht, B. (2014). INVESTIGATIONS ON QUARRY STONE TOE BERM STABILITY. Coastal Engineering Proceedings, 1(34), structures.77. https://doi.org/10.9753/icce.v34.structures.77

Abstract

Model test results from four experimental studies have been compiled in a data set with 687 test results. Three widely used or recently developed toe stability formulae have been validated against these model test results. It was found that all three formulae suffer from a lack of accuracy and general validity. This is caused by shortcomings of the underlying wave flume studies. More precisely, the wave height and the water depth above the toe berm are two main influence parameters for the toe berm stability and they are not independent in these studies. Testing the interdependence of parameters is therefore recommended for wave flume studies. An alternative toe berm stability formula was developed by a step-wise approach starting with a simple case with a minimum number of influencing factors and followed by more complex cases. The new formula is believed to provide a more meaningful description of the toe berm stability than existing formulae; this however requires further substantiation. The new approach is proposed as a working hypothesis for further studies and is recommended as benchmark for toe berm testing and design.

https://doi.org/10.9753/icce.v34.structures.77

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References

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Authors retain copyright and grant the Proceedings right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this Proceedings.

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INVESTIGATIONS ON QUARRY STONE TOE BERM STABILITY

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