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SCS: A one-dimensional piecewise-linear large strain consolidation model for structured soils
International Journal for Numerical and Analytical Methods in Geomechanics ( IF 4 ) Pub Date : 2021-09-16 , DOI: 10.1002/nag.3276
Ji Sen Shi 1, 2 , Dao Sheng Ling 1, 2, 3 , Jia Jun Niu 1, 2
Affiliation  

Soil structure is an important mechanics property which has drawn much attention from researchers. A piecewise-linear numerical model, called SCS, is developed to investigate the large strain consolidation of structured soils. SCS accommodates large strain, soil self-weight, vertical flows, time-dependent loading, unloading/reloading, seepage force, soil heterogeneity, and soil structure. A three-stage formulation is proposed to specify the compressibility behaviors of structured soils in SCS. The accuracy of SCS in the cases of small strain and large strain is checked comparing with analytical solutions and numerical solutions respectively. The effect of the main factors impacting soil structure on the consolidation processes of structured soils is investigated using several SCS simulations. Finally, a few SCS simulations with multiple structured soil layers are conducted.

中文翻译:

SCS:结构化土的一维分段线性大应变固结模型

土体结构是一个重要的力学性质,受到了研究者的广泛关注。开发了一种称为 SCS 的分段线性数值模型来研究结构化土壤的大应变固结。SCS 适应大应变、土壤自重、垂直流动、瞬态加载、卸载/重新加载、渗流力、土壤异质性和土壤结构。提出了一个三阶段公式来指定 SCS 中结构化土壤的可压缩性行为。分别与解析解和数值解比较,检验了SCS在小应变和大应变情况下的精度。使用多个 SCS 模拟研究了影响土壤结构的主要因素对结构化土壤固结过程的影响。最后,
更新日期:2021-11-12
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