在考虑裂纹受压闭合与滑动摩擦的基础上，给出了损伤张量、损伤应变及有效弹性常数。
Considering the crack-closing and friction between crack-surface under compression, the damage tensor, damage strain and effective elastic moduli are formulated.
从而为识别混凝土坝体和岩石基础弹性常数提供了一条新的有效途径。
Therefore it provides a new effective way for discerning elastic parameters of concrete dam body and rocky foundation.
用此种实验方法来确定粘弹性模型的元件数和元件常数，其拟合度较高，是一种行之有效的方法。
Using the experimental method to determine the elements and element constants of the viscoelasticity model has resulted in high fit degree. It is an effective method.
侧偏松弛长度是由轮胎的侧向弹性决定的。在大侧偏下，侧偏松弛长度不再是个常数，而是随着侧向有效滑移率的改变而改变，而且它们之间呈现非线性特性。
The relaxation length depends on tire lateral elasticity and is not a constant but varies with slip rate, displaying a non-linear feature under large slip angle.
侧偏松弛长度是由轮胎的侧向弹性决定的。在人侧偏角下，侧偏松弛长度不再是一个常数，而是随着侧向有效滑移率的改变而改变，而且它们之间呈现非线性特性。
The relaxation length depends on tire lateral elasticity and is not a constant but varies with slip rate, displaying a non -linear feature under large slip Angle.
弹性常数的研究及其应用得出：动态参数对解决岩石力学问题更为有效。
From the study and application of elastic parameter, it is found that the dynamic factors put large effects on the solution of rock mechanics.
从而为识别混凝土坝体和岩石基础弹性常数提供了一条新的有效途径。
Consequently a new reliably approach to identify dynamic elastic modulus of dam concrete and that of rock basement.
从而为识别混凝土坝体和岩石基础弹性常数提供了一条新的有效途径。
Consequently a new reliably approach to identify dynamic elastic modulus of dam concrete and that of rock basement.
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