Article
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A Simplified Silty Sand Model
Version 1
: Received: 30 May 2023 / Approved: 31 May 2023 / Online: 31 May 2023 (11:02:00 CEST)
A peer-reviewed article of this Preprint also exists.
Kaewhanam, N.; Chaimoon, K. A Simplified Silty Sand Model. Appl. Sci. 2023, 13, 8241. Kaewhanam, N.; Chaimoon, K. A Simplified Silty Sand Model. Appl. Sci. 2023, 13, 8241.
Abstract
A unified critical state model has been developed for both clean sand and silty sand using the modified Cam-clay model (MCC). The main feature of the proposed model is a new critical state line equation in the e-ln(p) plane that is capable of handling both straight and curved test results. With this feature, the error in calculating plastic volumetric strain is eliminated in theory. Another crucial feature of the model is the transformed stress tensor based on the SMP (spatially mobilized plane) criterion, which takes into account the proper shear yield and failure of soil under three-dimensional stresses. Additionally, the proposed model applies the intergranular void ratio with the fines influence factor for silty sand. Only eight soil parameters are required for clean sand, and a total number of twelve soil parameters are needed for silty sand.
Keywords
clean sand; silty sand; elastoplastic model; critical state model; critical state line; simple model; three-dimensional stress
Subject
Engineering, Civil Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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