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- Wavelet theory was used to monitor the debond and crack damage in an FRP(fiberglass-reinforced plastics) composite sandwich beam respectively. 探索采用小波分析方法,对FRP(玻璃钢)夹层梁的脱层损伤和裂纹损伤检测分别进行试验研究。
- Wavelet theory was used to monitor the debond and crack damage in an FRP (fiberglass-reinforced plastics) composite sandwich beam respectively. 摘要探索采用小波分析方法,对FRP(玻璃钢)夹层梁的脱层损伤和裂纹损伤检测分别进行试验研究。
- A great deal of analysis and research indicates that the crack damage is controlled by the key stratum in the overburden strata. 大量研究表明,这种裂缝损害受覆岩中关键层的控制。
- Therefore, it is concluded that crack damage of steel beams can be identified by monitoring the variations of piezoelectric impedance measurements. 由此可见,通过测量钢梁损伤前后压电陶瓷片的电阻抗变化能够识别梁中的裂纹损伤。
- Introducing the time-dependent damage variable into the constitutive equations of the crack zone, we modified the Dugdale model of crack damage zone around crack-tip. 对裂尖银纹损伤区的Dugdale模型进行了修正,将时间、位置、应变相关的损伤变量引入到银纹区的本构方程中。
- This can be a basis for eliminating the case crack damage by restraining the occurrence of the dangerous bending moments through improving the mounting conditions of the power-train system. 这为通过改进传动系的支承条件,避免壳体出现早期破裂损坏提供参考依据。
- The results show that the acting planes of the bending moments which cause such a stress field that the maximum stress appears in the crack damage area of the case have an angle range of 0o to 20o against the longitudinal symmetric plane of the car. 研究结果表明,最大应力出现在离合器壳体裂纹萌发区域的弯矩载荷,其作用平面相对于汽车纵向垂直平面朝左倾斜约为0o至20o。
- It has caused large money consumption around the world in past decades.Because the crack damage caused by the AAR is hard to control, the AAR is called the "cancer" of the concrete. 半个世纪以来已在世界范围内造成了数以亿计美元的巨大损失,因由AAR反应造成的开裂破坏难以阻止其继续发展和修补而被称为混凝土的“癌症”。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- The results show that thermal cracking damage of rock is a general phenomenon highly affecting mechanical properties of rock. 结果表明,岩石的热开裂损伤是一种普遍现象,并对岩石的力学性质等有显著影响。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去,身体会吃不消的。
- The flood did a lot of damage to the crops. 洪水毁坏了大量农作物。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
- He collected on the damage to his house. 他收到房屋损坏赔偿费。
- She made a crack about his fatness. 她取笑他肥胖。
- The damage to the painting was the work of vandal. 毁坏这幅画的事是恣意破坏公物的人干的。
- There is a crack in this window. 这扇窗户上有个裂纹。