A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Undrained Creep Behavior of Clayey Soils
Clayey soils were used to prepare specimens possessing controlled pore solution chemistry. Specimens were consolidated and equilibrated at four different soil suction levels. Various specimens were subjected to creep/recovery tests under drained and undrained conditions in conventional triaxial cells. The results were used to make comparisons with the behaviors predicted by a nonlinear viscoelastic model, based on power law, previously recommended by the parent project. Specimens of identical characteristics were subjected to high strain rates using a dynamic triaxial test system. Each test consisted of a series of stress controlled pulses of 50 msec duration. The pulse involved a ramp-up to a peak deviatoric stress and a ramp-down to zero. The peak stress was increased for the successive pulses. The response of the specimen, and the strain time history, was recorded. With the power laws developed and fitted to the creep/recovery data, in conjunction with the modified superposition principle, the response of specimens during dynamic testing has been predicted. Closer predictions were obtained by using the model developed for undrained testing conditions.
Undrained Creep Behavior of Clayey Soils
Clayey soils were used to prepare specimens possessing controlled pore solution chemistry. Specimens were consolidated and equilibrated at four different soil suction levels. Various specimens were subjected to creep/recovery tests under drained and undrained conditions in conventional triaxial cells. The results were used to make comparisons with the behaviors predicted by a nonlinear viscoelastic model, based on power law, previously recommended by the parent project. Specimens of identical characteristics were subjected to high strain rates using a dynamic triaxial test system. Each test consisted of a series of stress controlled pulses of 50 msec duration. The pulse involved a ramp-up to a peak deviatoric stress and a ramp-down to zero. The peak stress was increased for the successive pulses. The response of the specimen, and the strain time history, was recorded. With the power laws developed and fitted to the creep/recovery data, in conjunction with the modified superposition principle, the response of specimens during dynamic testing has been predicted. Closer predictions were obtained by using the model developed for undrained testing conditions.
Undrained Creep Behavior of Clayey Soils
M. Picornell (author) / S. Nazarian (author)
1996
341 pages
Report
No indication
English
Soil Sciences , Soil & Rock Mechanics , Creep , Soil consolidation , Clayey soils , Stress strain relations , Pressure gradients , Mathematical models , Load distribution , Stress analysis , Time dependence , Stress testing , Deformation , Dynamic response , Viscoelasticity , Moisture content , Strain rate , Drainage , Shear stresses , Rheology , Soil chemistry , Linear regression analysis , Soil tests , Soil structure interactions , Axial loads , Dynamic tests , Creep tests , Soil compaction , Soil suction
THE UNDRAINED BEHAVIOR OF CLAYEY SANDS
| British Library Conference Proceedings | 2007
Estimation of undrained shear strength of clayey soils from SPT
| British Library Conference Proceedings | 2006
The Undrained Shear Behavior of Reinforced Clayey Sand
| Online Contents | 2020
| British Library Online Contents | 2005
| Online Contents | 2005