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1)  Response of Strain and Stress
应力应变变化
2)  stress variation
应力变化
1.
Numerical analysis of stress variation within geometrically unsymmetric samples before crack initiation;
非几何对称试件启裂前应力变化的数值分析
2.
Laser-experimental investigation of stress variation within geometrically unsymmetric samples before cracked;
几何不对称试件启裂前应力变化的激光实验研究
3.
Directed at complete study on the law of the overlying strata and the characteristics of stress distribution on mining in steeply dipping seams,this paper is focused on research on the law of overlying strata and the stress variation characteristics by simulating the exploitation of the fully mechanized coal mining face in steeply dipping seam of Xinzhuangzi mine.
为了全面研究大倾角煤层开采上覆岩层垮落特征和围岩应力分布规律,运用相似材料模拟新庄孜矿大倾角综采工作面的开采,研究开采后大倾角工作面上覆岩层移动规律及应力变化特征。
3)  stress change
应力变化
1.
The optimal algorithm is applied to determine the initial stress field of rock mass according to the stress changes around tunnel after excavation.
根据隧道开挖后其周围地应力变化的观测数据, 建立了基于优化算法的岩体初始应力场识别方法。
2.
Constant stress creep and stress change-strain transient creep of ZL109 alloy have been investigated at 350℃ .
研究了350℃下ZL109铝合金在外加应力变化条件下的瞬时蠕变行为。
4)  fluctuating stress
变化应力
5)  prestress variation
预应力变化
1.
Although the anchor cable is widely used in the geotechnical projects,the prestress variation rules of the anchor cables are still not clear,especially the prestress loss when being locked and lasting of prestress variation of cable in cracked rock are interesting issues.
在综合分析锚索预应力阶段变化特点的基础上,将影响锚索预应力变化的因素归结为可补救、长期作用和周期波动三类,并分别进行了定量和定性分析。
6)  the variation stresses charts
应力变化图
补充资料:动态应力-应变曲线
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性质: 在具有强迫正弦振荡的动态试验中,让黏弹性体作稳定振动,以力对变形作图,在十个周期中的轨迹为一封闭曲线,称之为动态应力-应变曲线。动态试验的结果取决于试验条件:试样形状、形变方式、应变振幅、应变历程、频率和温度。从动态应力-应变曲线可以求得黏弹性体的许多动态力学性能,如从封闭曲线面积可以求得在一个周期内材料内部的发热量。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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