In the application of elastoplastic medium theory, the rock and soil are assumed to be elastoplastic medium, and the stress change due to tunnel excavation can be calculated, too.
应用弹塑性介质的本构理论，视岩体为弹塑性体，得到隧道开挖引起的地层应力变化计算公式、计算程序。
Based on the analysis of tunnel convergence in Xieyi coal mine, HuainanMine Bureau, the rock mass of coal mine is considered to be a discontinuous in-homogeneous linear viscoelastic medium.
根据对淮南矿务局谢一矿巷道移近量观测资料的分析，将煤矿岩体视为不连续非均质线性粘弹性介质。
Wave motion response of tunnel lining embedded in unbounded nonuniform soil medium is studied.
研究了不均匀岩土介质中隧洞衬砌的波动响应。
Based on stochastic medium model, The formulas have been derived for predicting ground surface movement and deformation due to near-surface tunnel excavation.
本文应用随机介质模型，导出近地表表土及风化层中开挖圆形隧道引起地表移动及变形的有关预计公式。
All tunnels have complex cross section with circular, rectangle, arch, ellipse shape, in accordance with the length of the tunnel is divided into short, medium length of the tunnel, long tunnel.
隧道按截面分为圆形、矩形、拱形、椭圆等形状，按照长度分为短隧道、中等长度隧道、长隧道。
The adaptability of random medium theory is discussed in estimating surface movement and deformation caused by excavation of urban tunnel and underground space.
分析了地下矿山、露天矿山开采 ，铁路、公路、基坑、隧道和地下工程开挖引起的周围地表移动与变形的特点。
The adaptability of random medium theory is discussed in estimating surface movement and deformation caused by excavation of urban tunnel and underground space.
将浅埋隧道开挖所引起的地表下沉视为一随机过程 ，应用随机介质理论 ，对隧道施工所引起的纵横向地表移动与变形进行了分析探讨。
The effects of bagging fruit at different fruiting seasons on micro-environment, growth and quality of fruit were investigated in spring cucumber cv. Jinyou No. 2 in medium plastic film tunnel.
以津优2号黄瓜为试材，分析了中棚春黄瓜不同时期套袋对果实袋内微环境、果实发育及品质的影响。
But appropriate the blasting parameters of medium deep blasting in hard rock tunnel is always a technical problem need to be solved.
而合理的硬岩巷道中深孔掘进爆破参数则一直是需要研究解决的技术难题。
In wind tunnel test, the base bleed ratio of higher accuracy is obtained by measuring and controlling the total pressure of the bleed medium in front of flowmeter.
在风洞中模拟底排实验，通过测量和控制流量计前介质总压，获得了较高准确度的底部排气率。
So the rock cuttabilities are divided into three levels as soft, medium soft and medium hard, based on which the rock cuttabilities along the tunnel is recognized.
因此，将岩石可切割性划分为软、中软及中硬三个级别，对掘进过程中岩石的可切割性进行识别。
So the rock cuttabilities are divided into three levels as soft, medium soft and medium hard, based on which the rock cuttabilities along the tunnel is recognized.
因此，将岩石可切割性划分为软、中软及中硬三个级别，对掘进过程中岩石的可切割性进行识别。
应用推荐