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地下水的存在和变化是地基基础设计计算中重要的影响因素,影响最大的就是天然地基和复合地基承载力。由于地下水降低了地基土的承载力,而且降低力度会随着地下水水位的变高而加重。实际工程中分析地基土受到地下水的影响时,一项重要的研究内容就是地下水对地基土容重的影响。本文首先具体介绍了地基土承载力的理论公式,详细的分析了地下水对地基土容重造成的影响,并提出了如何在计算地基土承载力的时候正确的考虑地下水的影响以及在设计建筑结构时应该如何考虑地下水的浮力作用,以供参考。
The existence and change of groundwater are important influence factors in foundation design and calculation. The most influential factor is the bearing capacity of natural foundation and composite foundation. As groundwater reduces the bearing capacity of the foundation soil, and reducing the intensity will increase as the groundwater level aggravates. In the actual project, when groundwater is influenced by groundwater, an important research content is the influence of groundwater on the soil bulk density. This paper firstly introduces the theoretical formula of the bearing capacity of foundation soil, analyzes the influence of groundwater on the weight of foundation soil in detail, and puts forward how to correctly consider the influence of groundwater when calculating the bearing capacity of foundation soil and how to design the structure of the foundation How to consider the buoyancy of groundwater for reference.