Mathematical Models for Nonlinear Soil Behavior

IF 0.1 Q4 ENGINEERING, CIVIL Romanian Journal of Transport Infrastructure Pub Date : 2017-12-01 DOI:10.1515/rjti-2017-0059
Berevoescu Ileana Carmen
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Abstract

Abstract Actually, the seismic movement has an irregular cyclic character.This can be equivalent to a determined number of uniform cyclical stresses equivalent in terms of effect. Modeling the behavior of the soil to cyclical stress, is usually done, by establishing a relationship for primary loading like τ = f (γ) and after drawing the diagram “effortless strain curve”, in which τ is the stress, and γ is shear deformation. For modeling nonlinear behavior of the soil, we used like nonlinear models. The best known are the hyperbolic model and the Ramberg-Osgood model.
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非线性土壤行为的数学模型
摘要实际上,地震运动具有不规则的周期性。这可以等效于在效应方面等效的确定数量的均匀循环应力。通常通过建立一次荷载关系(如τ=f(γ)),并在绘制“轻松应变曲线”图后,对土壤对循环应力的行为进行建模,其中τ是应力,γ是剪切变形。为了模拟土壤的非线性行为,我们使用了类似的非线性模型。最著名的是双曲模型和兰贝格-奥斯古德模型。
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审稿时长
10 weeks
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