Several common cable models and their features are presented, of which the principle of the equivalent elastic modulus method is described in detail.
为此，讨论了斜拉索的非线性特征，建立斜拉索的状态方程，并介绍了几种常见的索模型及其特点，其中详细介绍了等效弹性模量法的原理。
The paper studied the calculation method of equivalent modulus of elasticity of foundation under principles of different equivalence by elastic multi-layer theory.
应用弹性层状理论，研究了不同等效方法对基层顶面当量回弹模量换算结果的影响。
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