地下连续墙开挖技术早已在基础工程中有着广泛的应用,但槽壁稳定问题一直没有很好地解决。
The slurry trench excavation technique has been widely used in Foundation Engineering for a long time, but the trench stability always is not being resolved well.
本文通过对裂缝修补机理和修补时机的分析,得出了裂缝修补时对裂缝的开槽槽壁和灌缝材料的要求以及最佳的灌缝时间。
According to analyze cracks repair mechanism and repair time, obtain the request of the cracks slot wall and patching material when crack patching and the best patching time.
为了找到一种理论最优的控制方案,本文以槽道湍流为例对壁湍流减阻的最优控制方案进行了相关研究。
To find an optimal control strategy in theory, the optimal control in turbulent channel flow has been studied by direct numerical simulations in present paper.
通过对轴承结构中的滚子尺寸、滚子数量、外圈滚道直径、止动槽直径公差及有效壁厚的改进,提高其使用的可靠性。
By the way of improving roller dimensions, roller number, outer roller path diameter, stop groove diameter and the effective thickness, the using reliability of the bearing is advanced.
这个槽将有助于线了舱壁时,甲板上是安装到他们。
This groove will help to line up the bulkheads when the deck is installed onto them.
结果证明绳槽参与承载,能够改变卷筒应力分布规律,减小筒壁应力。
The results proved that the grooves took part in the bearing , could verify the distributing rule of drum stress and reduce the stress of drum wall .
采用三维有限元模型对液体火箭发动机铣槽推力室进行了壁温分布计算。边界条件按一维经验公式处理。计算中比较了不同冷却剂流量。
A calculation of the wall temperature distribution in liquid propellant rocket engine chamber with milled grooves was completed by the aid of three-dimensional finite element method.
其次,计算并描述了槽型舱壁在侧向水压力作用下的弹性变形与弹性应力分布,以及舱壁局部与总体弹性屈曲模式。
Second, the elastic deformation, the elastic stress distribution, and the local and global elastic buckling modes were calculated and presented.
作为可选方案,所述齿能够从所述栓延伸,而且所述槽能够形成在所述第一部件的壁内。
As an alternative, the teeth can extend from the peg, and the groove can be formed in the wall of the first component.
在类似湿壁塔的扩散槽中研究醋酸在正己烷和水之间的传递。
The transfer process of acetic acid from the hexane phase to the water phase was studied in a diffusional cell which is similar to a wetted wall column.
至少一个具有宽度不小于障壁宽度的0.1倍并且不大于障壁宽度的0.8倍的槽形成在所述障壁上。
At least one groove having a width no less than 0.1 times and no more than 0.8 times the width of the barrier rib is formed on the barrier rib.
所述侧壁具有与所述前壁分隔并围绕所述栓横向地延伸的槽。
The sidewall has a groove that is spaced from the front wall and that extends transversely about the peg.
并成功进行了实践应用,为进一步完善松软厚煤层长壁综放工作面顺槽稳定性控制理论技术体系进行了有益探索。
It was succeeded in practical application. It is an useful exploration for the roadway stability control of fully-mechanized top-coal caving long-wall face in soft and thick coal seam.
所述连接部设有与罗拉座相配合的卡槽、和作为卡槽两侧边壁的两个连接板。
The connecting part is connected with a clamping groove matched with the roller stand and two connecting plates as two side walls of the clamping groove.
在支撑臂定位座的上壁顶口处对应支撑臂的滑动槽设置凸形滑动块;
The location slider of the support arm is cooperated to the sliding-groove of the sliding column to form to sliding mechanism.
在支撑臂定位座的上壁顶口处对应支撑臂的滑动槽设置凸形滑动块;
The location slider of the support arm is cooperated to the sliding-groove of the sliding column to form to sliding mechanism.
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