A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stress–Strain Behavior of Non-liquefied Soil and Liquefied Soil
The development of high pore pressure in loose soil during the earthquake often liquefies the soil. Liquefied soils have the potential to undergo extremely large deformation. These large deformations are associated with strains that are induced in the liquefied ground. Therefore, it is necessary to know the behavior of the soil during as well as after the liquefaction to estimate large displacements of ground or the settlement of structures due to liquefaction. Finite element models can be used to depict the behavior of the liquefied soil. In this paper, the stress–strain relationships of soil undergoing liquefaction have been studied by simulating a finite element model in OpenSees. A multi-layered single soil column is modeled in 2D and is subjected to a considered bedrock motion. A bridge site in Golaghat district of Assam (India) has been selected for this study. The required input parameters for the analysis are obtained by carrying out standard penetration test (SPT) and laboratory tests of the soil samples collected from the particular site. From the analysis, it has been found that most of the layers of the soil column get liquefied under that particular input motion. Thus, the stress–strain relationships of each layer have been presented and are compared to distinguish the behavior of liquefied and non-liquefied soil layers.
Stress–Strain Behavior of Non-liquefied Soil and Liquefied Soil
The development of high pore pressure in loose soil during the earthquake often liquefies the soil. Liquefied soils have the potential to undergo extremely large deformation. These large deformations are associated with strains that are induced in the liquefied ground. Therefore, it is necessary to know the behavior of the soil during as well as after the liquefaction to estimate large displacements of ground or the settlement of structures due to liquefaction. Finite element models can be used to depict the behavior of the liquefied soil. In this paper, the stress–strain relationships of soil undergoing liquefaction have been studied by simulating a finite element model in OpenSees. A multi-layered single soil column is modeled in 2D and is subjected to a considered bedrock motion. A bridge site in Golaghat district of Assam (India) has been selected for this study. The required input parameters for the analysis are obtained by carrying out standard penetration test (SPT) and laboratory tests of the soil samples collected from the particular site. From the analysis, it has been found that most of the layers of the soil column get liquefied under that particular input motion. Thus, the stress–strain relationships of each layer have been presented and are compared to distinguish the behavior of liquefied and non-liquefied soil layers.
Stress–Strain Behavior of Non-liquefied Soil and Liquefied Soil
Lecture Notes in Civil Engineering
Sitharam, T. G. (editor) / Dinesh, S. V. (editor) / Jakka, Ravi (editor) / Bhattacharjee, Arup (author) / Ajom, Begum Emte (author) / Baruah, Partha Pratim (author)
2021-04-01
11 pages
Article/Chapter (Book)
Electronic Resource
English
Stress-Strain Behavior of Non-liquefied Soil and Liquefied Soil
| TIBKAT | 2021
Strain Potential of Liquefied Soil
| ASCE | 2022
Lateral Behavior of Piles in Liquefied Soil
| British Library Conference Proceedings | 2001
Shear Strength of Liquefied Soil
| British Library Conference Proceedings | 1998
Shear Strength of Liquefied Soil
| British Library Conference Proceedings | 1998