Enhancement of load-bearing capacity of ground anchors with flexible tendon

被引：2
|
作者：
Kramadzhyan, A. A. [1 ]
Rusin, E. P. [1 ]
Stazhevsky, S. B. [1 ]
Khan, G. N. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Chinakal Inst Min, Novosibirsk 630091, Russia
来源：
JOURNAL OF MINING SCIENCE | 2015年 / 51卷 / 02期
关键词：
Ground anchor; flexible tendon; interaction with ground base; friction force; Euler formula; discrete element method;
D O I：
10.1134/S1062739115020143
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
The effect described by the Euler formula for a flexible line being under tension and wrapping around a rigid support is experimentally proved to implement in the case of a nonrigid support being a ground base. Model and field experiments show essential rise in the load-bearing capacity of ground anchors with flexible tendon-E-anchors, owing to this effect. Equipment for installation of the anchors is designed and trialed. Using DEM, a 2D problem on the efficiency of the new anchors as a function of direction of pull out force applied to the tendon is solved. The E-anchors are supposed to be promising for the application in construction and operation of engineering structures.
引用
收藏
页码：314 / 322
页数：9
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