Estimation of uplift capacity of rapidly loaded plate anchors in soft clay

被引：11
|
作者：
Singh, S. P.
Tripathy, D. P. [1 ]
Ramaswamy, S. V.
机构：
[1] Natl Inst Technol, Dept Min Engn, Rourkela 769008, Orissa, India
[2] Natl Inst Technol, Dept Civil Engn, Rourkela 769008, Orissa, India
[3] Anna Univ, Dept Civil Engn, Madras 600025, Tamil Nadu, India
来源：
MARINE GEORESOURCES & GEOTECHNOLOGY | 2007年 / 25卷 / 3-4期
关键词：
embedment ratio; plate anchor; soft clay; strain rate; suction force; uplift capacity;
D O I：
10.1080/10641190701699376
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Plate anchors are extensively used in civil engineering constructions as they provide an economical alternative to gravity and other embedded anchors. The rate of loading is one of the important factors that affects the magnitude of soil resistance as well as soil suction force. This article outlines the effect of pullout rate on uplift behavior of plate anchors (70 mm diameter) buried in soft saturated clay by varying the pullout rate from 1.4 mm/min to 21.0 mm/min. The variation of breakout force and suction force with embedment depth and rate of pull are presented. A correlation between the rate of increase of undrained strength of clay and anchor capacity with rate of strain has been established. Finally an empirical equation has been proposed that includes the rate of pull in the estimation of breakout capacity of anchors.
引用
收藏
页码：237 / 249
页数：13
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