高应力区的小煤柱已充分预发育裂隙,且水平位移大,应力水平降低。
Small coal pillar in high stress area has pre-developed splits and large horizontal displacement, and its stress concentration degree is lower.
岩爆的预防和控制对深部高应力区矿床的安全开采具有十分重要的意义。
The prevention and control of rock burst are of great significance for safely exploiting deep deposit in high-stress area.
这样我们能够直接观察高应力区的三维图象,即高应力区的表面形状及其深度。
In this way, the 3d image of high stress zone, both the shape on surface and the depth of the zone, can be observed directly.
结果表明,高应力区主要集中在钢液罐罐壁,在罐底温度梯度较大的部分会产生较大的热应力。
The results show that the high stress is main concentred on the wall of the ladle, and high thermal stress appears at the ladle bottom with high thermal gradient.
然后,根据试验结果得到的大量数据,经分析找出节点环板的高应力区及其大致的应力分布情况。
Subsequently, the high stress areas and the stress distribution of the joint have been found out by handling and analyzing the large quantity data.
剪切应力还控制翡翠绿色色相和绿色空间的分布。绿色一般分布在韧性变形区的中心部位,高应力区有利于铬的富集。
In general, the green color is distributed in the center place of ductile deformation area, the high stress is of great advantage to the concentration of chrome.
过大的间隙长度以及不当的间隙位置会导致胶层靠近间隙端应力集中明显加剧,成为新的高应力区,可能导致接头破坏模式的改变。
Oversize recessing or improper position results in sharp stress concentration near the recessing to be a new higher stress zone, which may lead to the alternation of failure mode of joints.
采用轴对称模型和有限元方法,模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场,结果表明车轮高应力区出现在辐板上,现行制动条件下车轮强度满足使用要求。
The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.
研究表明,在硐室的周边拉应力区和应力集中程度高的区域易产生裂纹扩展。
The study makes clearly that the crackle spreads are easily produced in the perimeter tension stress area and the area with the high stress central level of the caves.
与大中型铜钨钼铅锌银矿相对应,出现差应力高值区。
The higher differential stress values are distributed in the large-medium scale Cu, Wo-Mo, Pb-Zn-Ag ore districts.
一组叫做表面破坏模式的S-N曲线,它发生在高应力幅短寿命区,是由试样表面晶体滑移引起的。
One is called the S-N curve of surface fracture mode. It is governed by a crystal slip on the specimen surface, which occurs in the region of short fatigue life and high stress amplitude level.
研究结果表明,在塑性区掘进回采巷道引起的应力转移比在高应力的弹性区掘进回采巷道引起的应力转移要小得多,减轻水采矿压显现的关键是在低应力区掘进回采巷道和实行区段间交替回采。
The research results show that the stress change caused by excavating roadways in the plastic zone is much less than that in the elastic zone with high stress. The key for reducing mining press...
高预应力锚杆支护对构造应力区巷道有较好的适应性。
The high stressed bolt support technology would have a good suitability to the mine roadway in the structural stress zone.
高预应力锚杆支护对构造应力区巷道有较好的适应性。
The high stressed bolt support technology would have a good suitability to the mine roadway in the structural stress zone.
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