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Design Method For Composite Ground To Resist Unequal Settlement

机译：复合地基抗不均匀沉降的设计方法

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摘要

Making composite ground is one of methods to reinforce soft soil ground Design method based only on the bearing capacity demanded to composite ground is usually used to reinforce soft soil ground with equal thickness. If soft soil ground with variable thickness is reinforced with above method, unequal settlement deformation of composite ground will occur. In this paper, a new design method based both on the bearing capacity and unequal settlement deformation was put forward. The formula of computing area permuting ratio and deformation of composite ground was deduced. It shows that settlement deformation of the composite ground formed based on old method increases linearly with thickness of the soft soil ground, but that of the composite ground formed according to new method is constant. When new method was applied to reinforce a filling soft soil ground, deformation measured on the composite ground corresponds with that calculated with formula.
机译：制作复合地基是加固软土地基的方法之一。通常仅基于对复合地基要求的承载力来设计方法，以加固厚度相等的软土地基。如果用上述方法加固厚度可变的软土地基，将导致复合地基的不均匀沉降变形。提出了一种基于承载力和不均匀沉降变形的新设计方法。推导了复合地基面积置换率和变形计算公式。结果表明，旧方法形成的复合地基的沉降变形随软土地基的厚度线性增加，而新方法形成的复合地基的沉降变形是恒定的。当采用新方法来加固软土地基时，在复合地基上测得的变形与公式计算的相对应。

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