Prediction of Time to Soil Failure Based on Creep Strength Reduction Approach

Thi Thanh Thuy Tran, Hemanta Hazarika, I. Gde Budi Indrawan, Dwikorita Karnawati

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Soils experience the unrecoverable, continuous deformation known as creep when they are subjected to a stage of constant deviator stress. Creep deformation is due to extrusion of adsorbed water in clay particles, causing the non-recoverable deformation and eventually reduction in the soil shear strength. This study aims to develop a method to determine the creep strength reduction behaviour of soils and prediction of time to occurrence of the creep failure. Case studies on clayey soils including halloysite-rich soil and smectite-rich soil were chosen. A series of triaxial creep tests were conducted in order to obtain the necessary experimental data. Based on the results, the ultimate long-term creep strength or critical stress level of halloysite-rich soil and smectite-rich soil was 85 and 55% of the soil peak strength, respectively. The ultimate time of creep strength reduction in halloysite-rich soil and smectite-rich soil was 10.34 and 46.08 years, respectively. The maximum creep strength reduction ratio of halloysite-rich soil and smectite-rich soil was 0.2 and 0.45, respectively. The developed method allowed predicting time to creep failure of soil specimens.

Original languageEnglish
Pages (from-to)2749-2760
Number of pages12
JournalGeotechnical and Geological Engineering
Volume36
Issue number4
DOIs
Publication statusPublished - Aug 1 2018

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strength (mechanics)
creep
Creep
Soils
prediction
halloysite
soil
smectite
soil strength
shear strength
extrusion
clay soils
Shear strength
Extrusion
clay
Clay
case studies

All Science Journal Classification (ASJC) codes

  • Architecture
  • Geotechnical Engineering and Engineering Geology
  • Soil Science
  • Geology

Cite this

Prediction of Time to Soil Failure Based on Creep Strength Reduction Approach. / Tran, Thi Thanh Thuy; Hazarika, Hemanta; Indrawan, I. Gde Budi; Karnawati, Dwikorita.

In: Geotechnical and Geological Engineering, Vol. 36, No. 4, 01.08.2018, p. 2749-2760.

Research output: Contribution to journalArticle

Tran, Thi Thanh Thuy ; Hazarika, Hemanta ; Indrawan, I. Gde Budi ; Karnawati, Dwikorita. / Prediction of Time to Soil Failure Based on Creep Strength Reduction Approach. In: Geotechnical and Geological Engineering. 2018 ; Vol. 36, No. 4. pp. 2749-2760.
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