地基中附加应力是指建筑物建造后，基底接触压力与基底处土自重应力之差，一般将其作为作用于弹性半空间表面上的局部荷载，并根据弹性理论来求算地基中的附加应力。地基中的附加应力是使地基发生变形，引起建筑物沉降的主要原因。
基于土的连结强度，研究基础长宽比对基底附加应力和压缩层深度的影响。
Based on the connecting strength of soil, the effects of foundation length-width ratio on base additional stress and depth of compressed layer were discussed.
通过浅层掏土减少地基土支承面积，加大基底土中的附加应力的方法迫使基础沉降。
Cutting through the shallow area of soil to reduce soil support, increased shallow soil in the additional stress of the method to force the basis of the settlement.
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