实验数据表明：大编织角复合材料在单向拉伸作用下的破坏形式较为复杂，其应力-应变曲线呈现非线性特性。
The experiment results show that composites with large braiding Angle have complex crack forms under uniaxial tensile loading and the tensile stress-strain curves take on nonlinear characters.
依据交联橡胶的统计理论，讨论了弹性密封防水材料的非线性应力、应变特性。
On the basis of the statistical theory of cross linked rubber, this paper analyses the non linear stress deformation characteristics of elastic waterproof materials.
现有的反算理论大多建立在弹性层状体系和拟静力分析方法的基础之上，忽略了路面材料应力应变非线性特性。
Most back-calculation theories are based on the linear elastic layer system and quietude analysis method, which neglected the nonlinear peculiarity of the pavement material.
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