Consolidation of vertical drain with depth-varying stress induced by multi-stage loading

被引：56
|
作者：
Lu, M. M. [1 ,2 ]
Xie, K. H. [3 ,4 ]
Wang, S. Y. [5 ]
机构：
[1] China Univ Min & Technol, Sch Mech & Civil Engn, Xuzhou, Peoples R China
[2] China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Xuzhou, Peoples R China
[3] Zhejiang Univ, Minist Educ, Key Lab Soft Soils & Geoenvironm Engn, Hangzhou, Zhejiang, Peoples R China
[4] Zhejiang Univ, Inst Geotech Engn, Hangzhou, Zhejiang, Peoples R China
[5] Univ Newcastle, Ctr Geotech & Mat Modeling, Dept Civil Surveying & Environm Engn, Callaghan, NSW 2308, Australia
来源：
COMPUTERS AND GEOTECHNICS | 2011年 / 38卷 / 08期
基金：
美国国家科学基金会;
关键词：
Consolidation; Vertical drain; Multi-stage loading; Depth-varying stress; Analytical solution; Smear effect; Well resistance; EQUAL STRAIN CONSOLIDATION; HORIZONTAL DRAINAGE; SMEAR ZONE; SOIL; PERMEABILITY;
D O I：
10.1016/j.compgeo.2011.06.007
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An explicit analytical solution is developed for the consolidation of vertical drain with both radial and vertical drainage by adopting a depth-varying stress induced by multi-stage loading. The well resistance and smear effect are also considered. The smear effect is described by three decay patterns of horizontal permeability towards drains within the smeared zone, including a reduced constant pattern, a linear decay pattern and a parabolic decay pattern. A parameter analysis is performed to investigate the consolidation behavior of the vertical drain. The convergence of the proposed series solution is discussed. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1096 / 1101
页数：6
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