A Comparison of Pull-out Capacity of Suction Anchors in Clay and Sand

被引：2
|
作者：
Du, Jiaqing [1 ]
Du, Shouji [1 ]
Wang, Zhi [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Civil Engn, Shanghai 200240, Peoples R China
[2] Shanghai Municipal Engn Design Inst, Shanghai 200092, Peoples R China
来源：
INTERNATIONAL CONFERENCE MACHINERY, ELECTRONICS AND CONTROL SIMULATION | 2014年 / 614卷
关键词：
SPAR; suction anchors; pull-out capacity; numerical analysis; clay and sand; comparison;
D O I：
10.4028/www.scientific.net/AMM.614.613
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
With the oil and gas exploitation develop to the deep sea; offshore platform under extreme environment load needs more stable anchorage foundation. Based on the slender suction anchor of SPAR, three-dimensional numerical analysis method was presented to study the ultimate pull-out capacity. Based on the geological conditions from South China Sea, clay and sand was selected as soil conditions to make a comparison analysis. The effects of soil type, load positions, load angles and aspect ratio on the ultimate bearing pull-out resistance of the suction foundation were studied. The comparison analysis results indicated that the ultimate pull-out resistance of suction anchors in sand has a greater rise rate and achieve ultimate pull-out capacity need smaller displacement than in clay; load point and load angles have a great impact on the resistance and there is a critical aspect ratio under inclined loading in sand.
引用
收藏
页码：613 / 617
页数：5
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