Recent study of drag embedment plate anchors in China

Haixiao Liu

Journal of Marine Science and Application ›› 2012, Vol. 11 ›› Issue (4) : 393 -401.

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Journal of Marine Science and Application ›› 2012, Vol. 11 ›› Issue (4) : 393 -401. DOI: 10.1007/s11804-012-1148-8
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Recent study of drag embedment plate anchors in China

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Abstract

Experimental and theoretical studies of drag embedment plate anchors recently carried out in Tianjin University are summarized in this research paper, which involve a series of important topics relevant to the study of drag anchors. The techniques for measuring the trajectory and movement direction of drag anchors in soils, the techniques for measuring the moving embedment point and reverse catenary shape of the embedded drag line, the penetration mechanism and kinematic behavior of drag anchors, the ultimate embedment depth of drag anchors, the movement direction of the anchor with an arbitrary fluke section, the reverse catenary properties of the embedded drag line, the interactional properties between drag anchor and installation line, the kinematic model of drag anchors in seabed soils, and the analytical method for predicting the anchor trajectory in soils will all be examined. The present work remarkably reduces the uncertainties in design and analysis of drag embedment plate anchors, and is beneficial to improving the application of this new type of drag anchor in offshore engineering.

Keywords

drag embedment plate anchor / vertically loaded plate anchor / VLA / drag-in plate anchor / drag anchor / ultimate embedment depth / movement direction / kinematic model / penetration mechanism / kinematic behavior

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Haixiao Liu. Recent study of drag embedment plate anchors in China. Journal of Marine Science and Application, 2012, 11(4): 393-401 DOI:10.1007/s11804-012-1148-8

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