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水泥土多场耦合作用下的力学性能研究进展

Research Progress on Mechanical Properties of Cemented Soil under Multi-field Coupling

  • 摘要: 水泥搅拌桩加固技术是软土地基处理最常用也最有效的方法之一。水泥土的强度受多种因素影响,其在多场耦合作用下的强度劣化机制较为复杂。充分掌握水泥固化软土的力学特性及其劣化规律,是确保水泥搅拌桩软土地基在多场耦合作用下维持安全稳定的重要前提。然而,目前对水泥土在多场耦合作用下的力学性能研究仍然存在一些亟待解决的问题。本文对当前国内外水泥土在多场耦合作用下的力学性能研究进行综述,系统归纳和分析水泥土在温度场、环境场、应力场以及多场耦合作用下水泥土的固化机理和研究现状,讨论当前水泥土在多场耦合作用下的研究不足,探讨具有前沿性的潜在研究建议,为多场耦合作用下水泥土的后续科学研究和应用推广提供新的思考和思路。

     

    Abstract: Cement mixing pile reinforcement technology is one of the most commonly used and effective methods for soft soil foundation treatment. The strength of cemented soil is influenced by multiple factors, and the mechanism of its strength deterioration under coupling of multiple fields is rather complex. Fully grasping the mechanical properties of cement-stabilized soft soil and its deterioration laws is an important prerequisite for ensuring the safety and stability of cement mixing pile soft soil foundations under the coupling effect of multiple fields. However, at present, there are still some urgent problems to be solved in the research on the mechanical properties of cement soil under the action of multi-field coupling. This paper reviews the current research on the mechanical properties of cement soil under the coupling effect of multiple fields at home and abroad, systematically summarizes and analyzes the solidifying mechanism and research status of cement soil under the temperature field, environmental field, stress field and the coupling effect of multiple fields, and discusses the current research deficiencies of cement soil under the coupling effect of multiple fields. This study explores potential research suggestions with cutting-edge significance, providing new thoughts and ideas for the subsequent scientific research and application promotion of multi-field coupled action in cemented soil.

     

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