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该文以某风电项目为依托,对本场区内分布的膨胀土的物理力学性能进行室内土工试验,对其膨胀率、自由膨胀率、收缩系数、膨胀力进行分析,现场通过原位测试判别膨胀土的工程性能,综合室内试验、原位测试确定膨胀土地基承载力的经验公式,并与现场膨胀土荷载试验结果进行比较,验证承载力公式的正确性和可行性,用于研究本场地膨胀土的地基承载力,以指导合理的选择地基基础设计方案。
Based on a wind power project, this paper conducts an indoor geotechnical test on the physical and mechanical properties of expansive soils in this area, and analyzes its expansion rate, free expansion rate, shrinkage coefficient and expansive force. Soil engineering performance, comprehensive indoor test, in situ test to determine the bearing capacity of expansive soil foundation empirical formula, and with the field test results of expansive soil load comparison to verify the correctness and feasibility of bearing capacity formula for the study of the expansion of the field Soil foundation bearing capacity to guide the rational choice of foundation design.