Influence of Dynamic Loading Activation Time on Electro-osmotic Consolidation of Soft Soil
Influence of Dynamic Loading Activation Time on Electro-osmotic Consolidation of Soft Soil
复制标题
动荷载激活时间对软土电渗固结的影响
DOI：
10.1007/s12205-019-1098-7
复制
发表时间：
2019-10
影响因子：
2.2
通讯作者：
胡秀青
中科院分区：
文献类型：
--
作者：
李校兵;舒建宇;王军;符洪涛;王鹏;胡秀青
电渗是一种适用于软土加固的方法。然而，电渗后期电极附近土体开裂导致的显著电位损失阻碍了其效率的进一步提高。
最后一个“Dy”看起来是不完整的内容，如果还有遗漏的部分，请补充完整后继续提问。
Electro-osmosis is a suitable method for the consolidation of soft soil. However, the significant potential loss caused by the cracking of the soil near the electrode in the later stages of electro-osmosis hinders further improvement of its efficiency. Dynamic loading is applied to overcome this problem. The dynamic loading activation time is considered to strongly influence the performance of the combined electro-osmosis-dynamic loading process. In this paper, the maximum current ratio (MCR) is proposed as an index of the dynamic loading activation time. Laboratory tests were performed with different dynamic loading activation times to confirm the influence of the dynamic loading time on electro-osmosis consolidation. During the combined processes of dynamic loading and electro-osmosis, the current, electric potential, discharged water, and surface settlement were monitored. In the following testing, the water content and undrained shear strength were measured. Compared with the electro-osmosis method alone, electro-osmosis and dynamic loading was found to yield superior performance improvement. The method described in this paper to determine the optimal dynamic loading activation time as a function of the MCR, and electro-osmosis, exhibits potential as an improved approach for the consolidation of soft soil in engineering practice.
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