A Study of Creep Instability in Granular Materials as a Localization Problem
A Study of Creep Instability in Granular Materials as a Localization Problem
批准号:
9022448
负责人:
Ronaldo Borja
金额:
$11.48万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1991
资助国家:
美国
项目状态:
已结题
起止时间:
1991-07-15 至 1994-12-31
中文摘要
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英文摘要
The phenomenon of accelerated deformation observed during undrained soil creep as a bifurcation problem will be investigated. A quasi-static linear stability analysis and a fully nonlinear analysis to analyze the problem of localization in rate-dependent materials will be performed. The scope of the proposed research ranges from theoretical formulation, to micro- and macro-mechanical analyses, numerical modeling, and experimentation.
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Creep in Shale Across Space and Time
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批准号:1914780
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项目类别:Standard Grant
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资助金额:$42.18万
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财政年份:2019
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负责人:Ronaldo Borja
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依托单位:
2015 Engineering Mechanics Institute (EMI) Conference: Computation for Sustainable Urban Systems; Stanford University, Palo Alto, California; June 16-19, 2015
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批准号:1462046
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项目类别:Standard Grant
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资助金额:$1.5万
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财政年份:2015
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负责人:Ronaldo Borja
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依托单位:
Creep Deformation in Shale at Submicron Scale
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批准号:1462231
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项目类别:Standard Grant
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资助金额:$35.48万
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财政年份:2015
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负责人:Ronaldo Borja
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依托单位:
International Workshop on Multiscale and Multiphysics Processes in Geomechanics; Stanford University, Palo Alto, California; June 23-25, 2010
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批准号:1007397
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项目类别:Standard Grant
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资助金额:$0.5万
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财政年份:2010
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负责人:Ronaldo Borja
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依托单位:
NEESR-CR: Properties of Cohesionless Soil Subsequent to Liquefaction and Resedimentation
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批准号:0936421
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项目类别:Standard Grant
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资助金额:$81.3万
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财政年份:2009
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负责人:Ronaldo Borja
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依托单位:
Coupled Solid-Deformation/Fluid-Flow Simulation of Failure Initiation in Variably Saturated Slopes
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批准号:0824440
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项目类别:Standard Grant
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资助金额:$28.53万
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财政年份:2008
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负责人:Ronaldo Borja
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依托单位:
Collaborative Research: Experimental Imaging-finite Element Modeling of Strain Localization in Granular Soils
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批准号:0324674
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项目类别:Continuing Grant
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资助金额:$0.0万
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财政年份:2003
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负责人:Ronaldo Borja
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依托单位:
Static and Dynamic Instability of Liquefiable Soils
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批准号:0201317
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项目类别:Continuing Grant
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资助金额:$0.0万
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财政年份:2002
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负责人:Ronaldo Borja
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依托单位:
Finite Element Analysis of Strain Localizaion in ExcavationsResearch into Network Algorithms and Related Problems
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批准号:9700426
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项目类别:Continuing Grant
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资助金额:$17.87万
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财政年份:1997
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负责人:Ronaldo Borja
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依托单位:
Modeling Lateral Flow and Liquefaction-Induced Ground Movement
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批准号:9613906
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项目类别:Continuing Grant
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资助金额:$23.86万
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财政年份:1997
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负责人:Ronaldo Borja
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依托单位:
A Coupled FE-BE Model for Nonlinear Soil-Structure Inter- action Analysis
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批准号:9114869
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项目类别:Standard Grant
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资助金额:$19.49万
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财政年份:1992
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负责人:Ronaldo Borja
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依托单位:
Investigation of Hydrodynamic Lag and Creep Effects on the Stability and Deformation Behavior of Excavations
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批准号:8910219
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项目类别:Standard Grant
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资助金额:$6.0万
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财政年份:1989
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负责人:Ronaldo Borja
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依托单位:
海外基金