期刊论文详细信息
Proceedings of the International Conference on Coastal Engineering
INCREASED DOLOS STRENGTH BY SHAPE MODIFICATION
A. van Tonder1  S.A. Luger1  D.T. Phelp1  A.H. Holtzhausen1 
[1] Ematek
关键词: dolos;    dolos strength;    dolos shape;   
DOI  :  10.9753/icce.v24.%p
学科分类:建筑学
来源: Coastal Engineering Research Council
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【 摘 要 】

A survey of prototype dolos breakages was performed to determine the distribution of failure modes. The results showed that 89% of the failures originate near the fluke-shank intersection. A series of static and dynamic finite element analyses was subsequently performed with the aim of improving the resistance of the dolos against the most commonly observed modes of failure. Of the six dolos shapes analysed, a large fillet extending from the fluke to the centre of the shank was found to be the most effective in reducing the stress in the critical fluke-shank intersection. Compared to a sharp intersection, the large fillet reduces the stress by more than 60%.

【 授权许可】

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