查询词典 surrounding rock

The calculating results indicate that surrounding rock initial stress has an obvious influence on interior force of invert center, interior force increases with the vertical force increasing in both side of invert center, and decrease with horizontal force increasing in interior side , unchangeable in outer ...

计算结果表明，围岩初始应力场对仰拱受力有明显影响，随着竖向压力的增大，仰拱中心的内、外侧应力均增大；随着水平压力的增大，仰拱中心内侧应力减小、外侧应力基本不变；减小复合衬砌结构中初期支护厚度以及变刚性接头为柔性接头均会改善仰拱受力。

In order to determine the size of coal pillar scientifically and reasonably, we mainly studied the law of stress distribution of the surrounding rock and the mechanism of narrow pillar drift and high strength bolt support and so on, indicating that using the narrow pillar drift and high strength bolt support can effectively guarantee the stability of gob-side entry in deep mine.

为科学合理地确定煤柱尺寸，保证沿空巷道的稳定，研究了沿空巷道的围岩应力分布规律、小煤柱护巷机理以及高强锚杆支护。从理论上证明了采用小煤柱护巷及高强锚杆支护方式理论上能够有效地保证深井沿空巷道的稳定。

With the construction of large water-power engineering projects in alpine and canyon area,the stability of surrounding rock,stress and deformation of lining under outer and inner water pressure become important.

随着高山峡谷地区大型水电工程的兴建，深埋地下水工隧洞的围岩稳定和内外水压力作用下衬砌应力变形等成为重点关注问题。

1 Bring displacement impact analysis for the orthogonal law surrounding rock mechanics parameters and initial tests to stress Quzhi changes will lead to varying degrees of influence displacement volume changes, we can make this change, as the parameters for the impact of displacement.

2.1 巷道位移影响度分析的正交试验法围岩力学参数和初始地应力取值的变化将会导致巷道位移量不同程度的变化，我们可以把这一变化，看作是各参数对位移的影响度。

Based on the in-situ monitoring of Gonghe Tunnel and numerical simulation, the failure feature of layered rockmass was analyzed; and the results show that the surrounding rock deformation and displacement, contact pressure and fracture zone mainly exist on the right side of the tunnel vault, that is, the side near the river is larger than that near the mountain.

结合共和隧道现场监测和数值模拟相结合的方法对层状岩体的破坏特征进行了分析，研究结果表明：围岩的变形位移、破坏区都主要集中隧道拱顶右侧，即靠河侧大于靠山侧。

This paper introduces the CRD method and the auxiliary measures of pre - grouting for the shallow - buried soft surrounding rock of the entrance section of Yangpeng Right Tunnel on Beijing -Zhuhai Expressway.

文章介绍了在京珠高速公路洋碰隧道右线进口浅埋软弱围岩段施工中采用中隔墙交叉台阶施工的主要工法及长短结合超前预注浆的辅助工法。

A general program using APDL(ANSYS parametric design language),which is applicable to arbitrary lining sections of the three-centered circular arch with different surrounding rock pressure distributions,was developed for the calc.

利用ANSYS的参数化高级设计语言，编制了适合任意三心圆拱衬砌断面和不同围岩压力分布形式的隧道衬砌内力和偏心距的通用计算程序。

The modeling test was carried out in a big water tank. The iron block was used to simulate the water-bearing body in working face and the water to simulate the surrounding rock mass of the roadway.

采用物理模拟方法，实验模拟是在大型水槽中进行，利用铁块模拟含水体，水模拟围岩。

The measurement results of the hydraulic splitting test for the bearing capacity of surrounding rock of the air-cushion surge tank are presented in this paper.

本文给出了该气垫调压室勘探平洞的水力劈裂测试结果。

This paper studies the second Ventilated Shaft of Qinling Zhongnanshan tunnel in Xi an-Ankang freeway, and makes a research of the stability of the shaft surrounding rock through the construction process in different depth.

本文以西安-安康高速公路秦岭终南山隧道2#通风竖井为研究实例，以竖井开挖过程中围岩稳定性为主要研究对象，主要分析了开挖过程中，不同深度下竖井开挖对竖井同岩稳定性的影响。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。