Abstract
The purpose of the article is to study the dependences of the parameters of the shear resistance of silty loam from its humidity, expressed in fractions of humidity at the liquid limit. The research method consists in the use of triaxial tests to determine the cohesion and the angle of internal friction of silty loam at different humidity of samples groups. Each group consists of 18 samples with the same moisture. Three samples were taken from this group and tested by triaxial compression. As a result, selections of experimental data were obtained, which contained 6 values of cohesion and internal friction angle, as well as selections of effective shear resistance parameters. Samples of experimental data of deformation modules of subgrade soils were processed by methods of mathematical statistics. During data processing, each selection is checked for gross errors. The application of the t-criterion made it possible to determine the calculated values of the shear resistance characteristics. Using the established values of cohesion and the angle of internal friction, the parameters of the material of other plasticity conditions are calculated: Drucker-Prager, Matsuoka-Nakai, Lada-Duncan, etc. Similar tests were carried out with other groups of samples, but at different ground moisture. According to the experimental data of such samples, the parameters of shear resistance at other ground humidity were determined. As a result, tabular functional dependencies of shear resistance characteristics on soil moisture were obtained.
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Prolygin, A., Dolgih, G., Aleksandrov, A. (2023). Influence of Moisture Content of Loamy Soil on Shear Resistance Parameters. In: Guda, A. (eds) Networked Control Systems for Connected and Automated Vehicles. NN 2022. Lecture Notes in Networks and Systems, vol 509. Springer, Cham. https://doi.org/10.1007/978-3-031-11058-0_87
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