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Based on the stress-strain relationship established from tri-axial tests, the tangent modulus and secant modulus are derived from the unified mathematical expression.

以三轴剪切试验测得的应力-应变关系为基础，从统一的表达式推出了割线模量和切线模量表达式。

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study on some problems of settlement calculation with secant modulus method and its modification

割线模量法在沉降计算中存在的问题及改进探讨

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On the Comparison of the Modified Secant Modulus Method and Duncan-Chang Tangent Modulus Methed

修正割线模量法与邓肯切线模量法的对比分析

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both the tangential modulus and secant modulus are exponential with axial strain.

松散岩块的切线模量和割线模量均与轴向应变呈指数相关性。

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The secant modulus is linear with axial stress.

而其割线模量与轴向应力则呈线性关系；

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study on constitutive relation of loess moistening deformation based on secant - modulus method

基于割线模量法的黄土增湿变形本构关系研究

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an undisturbed-soil secant modulus method for calculation of nonlinear settlement of soil foundations

地基非线性沉降计算的原状土割线模量法

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secant modulus method (smm) is a new method to calculate foundation settlement in recent years.

割线模量法是近几年获得青睐的计算地基沉降的新方法。

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Secant modulus method ( SMM) is a new method to calculate foundation settlement in recent years.

割线模量法是近几年获得青睐的计算地基沉降的新方法。

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the secant modulus of soil is usually larger than the tangent one, but the value of differences decreases with the increasing strain.

土体割线模量值大于切线模量值，其差值随应变的增加逐渐减小；

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so the secant modulus from zero stress can not describe the deformation property of the practical rock mass.

因此，从原点计算的割线模量不能反映实际岩体的变形特征。

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