The flow stress decreases with the increase of deforming temperature and increases with the increase of strain rate.
流变应力随着变形速率的增加而增加，随着变形温度的升高而降低。
Because of the passivity action of systematic bolts and the heterogeneity of rock mass deforming, systematic bolts have different stress in different position.
由于系统锚杆作用的被动性和边坡岩体变形的非均匀性，使得不同位置的锚件的应力出现较大的差别。
The former is similar to bulge, but the deforming mode of the latter is rolling in which the stress is tensile in generatrix direction and the wall thickness are mainly reduced in this zone.
前者的受力情况类似于胀形，后者为母线方向拉应力作用下的辗压变形，该区起主要减薄壁厚的作用。
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