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通过集中力和均布力作用下地基中附加应力的计算,分析了深度和水平距离对集中力作用下地基中附加应力的影响,计算了矩形面积在均布荷载作用下地基中不同位置处附加应力的分布.结果表明,集中力作用下地基土中的附加应力存在最大值,均布荷载作用下矩形面积内的附加应力随着深度增加而下降,矩形面积外的点的附加应力随深度的增加先增加后减少,存在最大值.
Through the calculation of the additional stress in the foundation under the action of concentrated force and uniform force, the influence of depth and horizontal distance on the additional stress in the foundation under the concentrated force is analyzed. The effect of the additional stress on the foundation under the uniform load is calculated. The results show that there is a maximum of additional stress in the subsoil under concentrated load. The additional stress in the rectangular area decreases with increasing depth under the uniform load. The additional stress at the point outside the rectangular area varies with the depth Increases first and then decreases, there is a maximum.