Triaxial tests and model performance of stress-strain for decomposed granite

Syed Abdul Mofiz, Mohd. Raihan Taha, Md Niamul Bari

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An experimental study and model performance of the stress-strain characteristics of decomposed granite soil was carried out using computer control CDS triaxial apparatus. Six drained triaxial stress paths were conducted, three on the compression side and three on the extension side. Hydrostatic compression tests were also conducted to evaluate the bulk properties of the soil. Laboratory tests showed the stress-strain and volume change behaviour for granite soils are highly stress path dependent. From the stress path test results, the Young's modulus and Poisson's ratio were quantified. The hierarchical (HISS) model, which is based on the theory of elasto-plasticity and elasto-viscoplasticity, has been used to characterize the behaviour of the granite soil. The computer program RESID1 has been developed to calculate the material parameters and to back predict the stress-strain behaviour of the soil. The stress-strain and volume change prediction characteristics were made using the hierarchical model and finite element method using Cam-Clay model constants. The model was validated using the experimental test results along different stress paths and the model predictions are found to be satisfactory.

Original languageEnglish
Title of host publicationGeotechnical Special Publication
EditorsM.K. Yegian, E. Kavazanjian
Pages1795-1804
Number of pages10
Edition126 II
Publication statusPublished - 2004
EventGeotechnical Engineering for Transportation Projects: Proceedings of Geo-Trans 2004 - Los Angeles, CA, United States
Duration: 27 Jul 200431 Jul 2004

Other

OtherGeotechnical Engineering for Transportation Projects: Proceedings of Geo-Trans 2004
CountryUnited States
CityLos Angeles, CA
Period27/7/0431/7/04

Fingerprint

granite
Granite
triaxial test
granite soils
Soils
testing
volume change
soil
prediction
viscoplasticity
compression
behavior change
Cam-clay model
Viscoplasticity
modulus of elasticity
Young modulus
soil properties
Cams
Poisson ratio
Computer control

ASJC Scopus subject areas

  • Building and Construction
  • Architecture
  • Soil Science

Cite this

Mofiz, S. A., Taha, M. R., & Bari, M. N. (2004). Triaxial tests and model performance of stress-strain for decomposed granite. In M. K. Yegian, & E. Kavazanjian (Eds.), Geotechnical Special Publication (126 II ed., pp. 1795-1804)

Triaxial tests and model performance of stress-strain for decomposed granite. / Mofiz, Syed Abdul; Taha, Mohd. Raihan; Bari, Md Niamul.

Geotechnical Special Publication. ed. / M.K. Yegian; E. Kavazanjian. 126 II. ed. 2004. p. 1795-1804.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mofiz, SA, Taha, MR & Bari, MN 2004, Triaxial tests and model performance of stress-strain for decomposed granite. in MK Yegian & E Kavazanjian (eds), Geotechnical Special Publication. 126 II edn, pp. 1795-1804, Geotechnical Engineering for Transportation Projects: Proceedings of Geo-Trans 2004, Los Angeles, CA, United States, 27/7/04.
Mofiz SA, Taha MR, Bari MN. Triaxial tests and model performance of stress-strain for decomposed granite. In Yegian MK, Kavazanjian E, editors, Geotechnical Special Publication. 126 II ed. 2004. p. 1795-1804
Mofiz, Syed Abdul ; Taha, Mohd. Raihan ; Bari, Md Niamul. / Triaxial tests and model performance of stress-strain for decomposed granite. Geotechnical Special Publication. editor / M.K. Yegian ; E. Kavazanjian. 126 II. ed. 2004. pp. 1795-1804
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