For tunnels with a downhill slope the critical wind velocity is somewhat greater than for the corresponding horizontal tunnel.
下坡隧道临界风速会稍大于水平隧道的临界风速。
When estimated by inherent standard deviations of GPS receivers, the accuracy of lateral piercing can also meet the needs of a horizontal tunnel control network.
采用GPS接收机标称精度进行估算，其结果也满足隧道控制网的要求。
So we construct for the background by the Second Shizuishan Mining, tunneling of the coal road and rock drift, carried on research to single tunneling technique of the horizontal tunnel.
本文以石嘴山二矿煤、岩巷的掘进施工为背景，对水平巷道单巷掘进技术进行了研究。
Horizontal holes were drilled into the wet soil and liquid nitrogen was pumped in, freezing the water until the tunnel could be dug and cemented.
在湿的土壤中水平的打一些洞，然后泵入液氮对水进行冷冻，直到隧道可以被挖掘和用水泥封住。
It have proved the horizontal crustal stress far strong the vertical crustal stress in underground tunnel by a calculated example (that tallies completely with reality conditions).
通过计算实例证明了地下隧道水平地应力远大于其竖向地应力(这一点与实际情况是完全吻合的)。
The variation rule of wall stress of horizontal rotary cavity flow in an intemal energy dissipating tunnel is researched based on the experimental observation.
通过对典型的水平旋转内消能泄洪洞空腔环流的试验观测，研究了其壁面应力的变化规律。
The horizontal shear was taken as the main earthquake action in earthquake response analysis for subway tunnel.
在以往地铁隧道的地震反应分析中，地震作用一般以水平剪切为主；
This is a correlative report of "Wall pressure distribution of the horizontal vortex and inner energy dissipating tunnel with an inlet shaft" published earlier.
本文为“竖井进流水平旋转内消能泄水道的壁面压力分布”一文的相关篇。
The special characteristics of kinetic energy and momentum of horizontal rotary cavity flow in internal dissipating tunnel with an inlet shaft are analyzed.
研究了水平旋转内消能泄水道空腔环流特有的能动量特性。
According to the simulation result, in the condition of vertical stress greater than horizontal stress, the failure occurs in lateral wall of the tunnel.
根据模拟结果，在垂直应力大于水平应力的情况下，破坏主要在巷道侧面上发生。
This peper is based on the wind tunnel experiment data and studies the air dynamic performance of fuselage, horizontal stabilizer and fin under level wind in any direction.
本文以风洞试验数据为依据，对在任意方向水平作用下的机身、垂尾和尾桨气动特性进行了研究。
Freezing construction is an auxiliary method in soft and water-bearing ground. The horizontal freezing construction was firstly applied in Dabeiyao Station of Beijing metro tunnel.
冻结施工是软弱含水土层中施工的辅助方法之一，北京地铁大北窑车站区间隧道水平冻结施工工程是我国首例隧道水平冻结施工。
The overhead manned equipment in the gradient tunnel is such an equipment as can be used to transport continuously the personnel in the horizontal and gradient tunnels in the mine.
斜巷架空乘人装置是适用于矿井水平及倾斜井巷连续运送人员的装置。
In this paper, the variations in the horizontal and vertical velocities over 6 different transverse dune models are investigated in a wind tunnel by applying the particle image velocimetry (PIV).
通过风洞实验的方法，针对不同形态的6组横向沙丘模型，采用粒子图像测速系统，测量了模型沙丘周围气流水平速度和垂直速度的变化规律。
Establishment of GPS horizontal control network and the construction of Huangjingling Tunnel are introduced and data processing is analyzed t, o exemplify other similar projects to a great extent.
介绍了福厦铁路黄晶岭隧道GPS平面控制网的建立、施工情况，讨论了该隧道数据处理等方面的相关问题，以期对同类工程能有一定的借鉴作用。
Many mining venture build an anti-horizontal ramp as the subservient tunnel besides the main shaft. They use large tram to carry equipment and staff through the ramp.
很多矿山和大型企业在主运输巷道外单独修建一条负水平的斜坡道作为辅助运输巷道，利用大型矿用胶轮车通过井下斜坡道运送设备、人员。
Since the new tanks were installed on the opposite side of the field from the parking ramp, a horizontal micro-tunnel was drilled beneath the operating runway.
由于新的储油罐被安装在停机坪的对面，我们就在运营的飞机跑道底下挖了一条地下通道。
Based on surrounding environment, traffic requirement and construction experience, authors use horizontal freezing method to reinforce soil and mine method to excavate tunnel.
结合周边环境、交通要求及地铁旁通道施工经验，采用水平冻结法加固土体，矿山法开挖。
Therefore, the survey key of excavation line is to control horizontal and vertical deviations of tunnel axis.
因此，TB M掘进线路测量关键是控制轴线不发生横、竖向偏移。
Therefore, the survey key of excavation line is to control horizontal and vertical deviations of tunnel axis.
因此，TB M掘进线路测量关键是控制轴线不发生横、竖向偏移。
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