https://scholars.lib.ntu.edu.tw/handle/123456789/636454
標題: | Simulate the in-situ direct shear test of gravel and systematic evaluation its mechanical properties parameters based on the discrete element method | 作者: | Shu, P. Y. TAI-TIEN WANG |
公開日期: | 1-一月-2023 | 來源出版物: | Smart Geotechnics for Smart Societies | 摘要: | Because the particle size of gravel exceeds the scale of conventional laboratory test equipment, its mechanical properties often obtain by in-situ direct shear tests. Several factors affect the mechanical properties of the gravel layer, including the particle size distribution, the particle arrangement and its stacking. However, due to the high cost and limited number of tests on site, it is difficult to acquire representative mechanical properties parameters of the gravel layer. In this study, discrete element particle flow software is used, and the design of experiments (DOEs) method is applied to determine combinations of microscopic parameters. The microproperties affects the mesoscale mechanical properties of gravel and its regression equations are obtained by the statistical analysis of variance (ANOVA). Combined with the in-situ direct shear tests, the range of the mechanical properties parameters of the gravel formation can be described. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/636454 | ISBN: | 9781000992533 | DOI: | 10.1201/9781003299127-120 |
顯示於: | 土木工程學系 |
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