UNDRAINED CAVITY EXPANSIONS IN CRITICAL STATE SOILS

Boundary value problems for hardening/softening soils, such as Cam‐Clay, usually require the extensive use of finite element methods. Here analytical and semi‐analytical solutions for the undrained expansion of cylindrical and spherical cavities in critical state soils are presented. The strain is f...

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Vydáno v:International journal for numerical and analytical methods in geomechanics Ročník 20; číslo 7; s. 489 - 516
Hlavní autoři: COLLINS, I. F., YU, H. S.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Sussex John Wiley & Sons, Ltd 01.07.1996
Wiley
Témata:
Applied sciences
Buildings. Public works
cavity expansion
critical state models
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Engineering geology
Exact sciences and technology
Geotechnics
normally and overconsolidated clays
pile installation
plasticity
Structure-soil interaction
Critical state
Clay soil
Modeling
Finite element method
Numerical analysis
Consolidation
Cavity
Stress distribution
Elastoplasticity
Kinematics
Pile
Structure soil interaction
Expansion
sedimentary rocks
overconsolidated materials
underground cavities
kinematics
piles
clastic sediments
clay
expansion
ISSN:0363-9061, 1096-9853
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Popis
Shrnutí:Boundary value problems for hardening/softening soils, such as Cam‐Clay, usually require the extensive use of finite element methods. Here analytical and semi‐analytical solutions for the undrained expansion of cylindrical and spherical cavities in critical state soils are presented. The strain is finite, the initial cavity radius is arbitrary and the procedure applicable to any isotropically hardening materials. In all cases only simple quadratures are involved, and in the case of the original Cam‐Clay a complete analytical solution can be found. In addition to providing models of the behaviour of displacement piles and pressuremeters these results also provide valuable benchmark solutions for verifying various numerical methods.
Bibliografie:istex:EB195C5CFEF418624F0B7931114DCCB4CA865276
ark:/67375/WNG-R9WLKK77-2
ArticleID:NAG829
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0363-9061
1096-9853
DOI:10.1002/(SICI)1096-9853(199607)20:7<489::AID-NAG829>3.0.CO;2-V