DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST

Subjected to remolded young clay, this paper shows that a lot of time dependent behavior in the standard consolidation (SC) and constant strain rate consolidation (CSRC) tests is represented systematically by a simple assumption concerning the time dependency of dilatancy. In the SC test, at the fir...

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Main Authors: Berty Sompie, Katsuhiko Arai, Akira Kita
Format: Article
Language:English
Published: Petra Christian University 2006-01-01
Series:Civil Engineering Dimension
Subjects:
Online Access:http://puslit2.petra.ac.id/ejournal/index.php/civ/article/view/16461
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author Berty Sompie
Katsuhiko Arai
Akira Kita
author_facet Berty Sompie
Katsuhiko Arai
Akira Kita
author_sort Berty Sompie
collection DOAJ
description Subjected to remolded young clay, this paper shows that a lot of time dependent behavior in the standard consolidation (SC) and constant strain rate consolidation (CSRC) tests is represented systematically by a simple assumption concerning the time dependency of dilatancy. In the SC test, at the first stage of each loading step little dilatancy takes place and dilatancy begins to occur several minutes after step loading. In CSRC test, some time period after the stress state has entered the normally consolidated region, dilatancy tends to occur rapidly with the increase in stress ratio. Since most of dilatancy has taken place at the earlier stage of consolidation, little dilatancy occurs at the latter stage of CSRC process. This tendency makes the specimen stiffer with the passage of time, and makes the vertical pressure and pore pressure increase substantially at the last stage of CSRC process. Consideration to such behavior may be effective to correctly interpret the result of CSRC test.
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spelling doaj.art-46d07cfc33c34cbcbaf7001f7abebabe2022-12-22T02:51:52ZengPetra Christian UniversityCivil Engineering Dimension1410-95301979-570X2006-01-01826372DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TESTBerty SompieKatsuhiko AraiAkira KitaSubjected to remolded young clay, this paper shows that a lot of time dependent behavior in the standard consolidation (SC) and constant strain rate consolidation (CSRC) tests is represented systematically by a simple assumption concerning the time dependency of dilatancy. In the SC test, at the first stage of each loading step little dilatancy takes place and dilatancy begins to occur several minutes after step loading. In CSRC test, some time period after the stress state has entered the normally consolidated region, dilatancy tends to occur rapidly with the increase in stress ratio. Since most of dilatancy has taken place at the earlier stage of consolidation, little dilatancy occurs at the latter stage of CSRC process. This tendency makes the specimen stiffer with the passage of time, and makes the vertical pressure and pore pressure increase substantially at the last stage of CSRC process. Consideration to such behavior may be effective to correctly interpret the result of CSRC test.http://puslit2.petra.ac.id/ejournal/index.php/civ/article/view/16461clayconsolidation testdilatancytime effect.
spellingShingle Berty Sompie
Katsuhiko Arai
Akira Kita
DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST
Civil Engineering Dimension
clay
consolidation test
dilatancy
time effect.
title DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST
title_full DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST
title_fullStr DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST
title_full_unstemmed DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST
title_short DILATANCY BEHAVIOR IN CONSTANT STRAIN RATE CONSOLIDATION TEST
title_sort dilatancy behavior in constant strain rate consolidation test
topic clay
consolidation test
dilatancy
time effect.
url http://puslit2.petra.ac.id/ejournal/index.php/civ/article/view/16461
work_keys_str_mv AT bertysompie dilatancybehaviorinconstantstrainrateconsolidationtest
AT katsuhikoarai dilatancybehaviorinconstantstrainrateconsolidationtest
AT akirakita dilatancybehaviorinconstantstrainrateconsolidationtest