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Stress-Strain Behaviour of Adelaide Industrial Sand under Monotonic Loading
Adelaide Industrial (AI) sand has been used extensively for land development and as a construction material in Adelaide, Australia. However, the mechanical properties of AI sand are not yet well understood. In this study, a series of undrained monotonic triaxial compression tests were conducted on AI sand to characterize its stress-strain behaviour density states. The test conditions included a range of void ratios, e0, from 1.09 to 0.73 and a range of mean effective confining stress, p0', from 50 to 400 kPa. It was observed that the effective stress path in the undrained condition exhibited flow and limited flow behaviour with the triggering of strain softening at the peak deviatoric stress, q. The onset of strain softening is the initiation of instability or static liquefaction, which is characterized by the stress ratio, ηIS= q/p'. It was observed that the stress-strain behaviour of AI sand under undrained conditions, particularly ηIS, was influenced by both e0 and p0'.
Stress-Strain Behaviour of Adelaide Industrial Sand under Monotonic Loading
Adelaide Industrial (AI) sand has been used extensively for land development and as a construction material in Adelaide, Australia. However, the mechanical properties of AI sand are not yet well understood. In this study, a series of undrained monotonic triaxial compression tests were conducted on AI sand to characterize its stress-strain behaviour density states. The test conditions included a range of void ratios, e0, from 1.09 to 0.73 and a range of mean effective confining stress, p0', from 50 to 400 kPa. It was observed that the effective stress path in the undrained condition exhibited flow and limited flow behaviour with the triggering of strain softening at the peak deviatoric stress, q. The onset of strain softening is the initiation of instability or static liquefaction, which is characterized by the stress ratio, ηIS= q/p'. It was observed that the stress-strain behaviour of AI sand under undrained conditions, particularly ηIS, was influenced by both e0 and p0'.
Stress-Strain Behaviour of Adelaide Industrial Sand under Monotonic Loading
Hora, Reena N. (author) / Rahman, Md. Mizanur (author) / Beecham, Simon (author) / Karim, Md. Rajibul (author)
Eighth International Conference on Case Histories in Geotechnical Engineering ; 2019 ; Philadelphia, Pennsylvania
Geo-Congress 2019 ; 405-412
2019-03-21
Conference paper
Electronic Resource
English
Stress-Strain Behaviour of Adelaide Industrial Sand under Monotonic Loading
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