2) high geo-stress
高地应力
1.
Research of diamond weak combined bit for high geo-stress stratum drilling;
弱包镶金刚石钻头在高地应力地层中的应用研究
2.
Dynamic emulation analysis on tunnel excavating effect in high geo-stress zone;
高地应力区隧洞开挖效应动态仿真分析
3.
Xiabandi Water Control project is located at Pamirs,near an active seismic zone and within a high geo-stress area;for which the maximum embedded depth of the power tunnel is up to 1 400 m with the problem of high geo-stress.
下坂地水利枢纽地处帕米尔高原,临近地震活动带并处于高地应力区,引水隧洞的最大埋深达1 400 m,高地应力问题较为突出。
3) high ground stress
高地应力
1.
Destruction characteristic analysis of rock mass under high ground stress
高地应力下岩体的破坏特征分析
2.
Through site investigation and relevant study,the roadway deformation characteristic and the cause,the factors of inflencing roadway stability,and the instability model of Jinchuan high ground stress roadway were analysed in this paper.
通过现场调查及相关研究,本文分析了金川高地应力碎胀蠕变岩体巷道围岩的变形破坏特征、巷道变形破坏原因、影响巷道稳定性因素以及巷道失稳模式。
3.
Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.
高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使得该类巷道的开挖与支护极为困难。
4) high in-situ stress
高地应力
1.
The vibration characteristics of surrounding rock induced by the excavation of tunnel under high in-situ stress are studied with combined method of theoretical analysis,numerical simulation by dynamic finite element method(FEM) and verification with monitored field vibration data.
采用理论分析、动力有限元数值模拟和振动监测数据对比等综合方法,研究高地应力条件下隧洞钻爆开挖诱发围岩振动的特征。
2.
Based on rock geological data of a large cavern under high in-situ stress,the effects of three arch shapes,single center arch and three-center arch and elliptical arch,of large caverns under high in-situ stress on stress effect in rockmass of arch are analyzed by the elastoplastic finite element;The results reveal that this effect is very obvious,and some stress concentration factor reaches 3.
以某高地应力洞区岩体地质资料为依托,用弹塑性有限元分析在高地应力下大型地下3种洞室拱形(即单心圆拱、三心圆拱和椭圆拱)对拱部围岩应力的影响,计算结果表明,这种影响是非常明显的,有的应力集中系数达到3。
3.
Combined with a special engineering project, numerical simulation analysis of tunnel s stability under high in-situ stress is done.
结合具体工程实例对高地应力地区隧洞的稳定性以及支护系统进行模拟施工过程的有限元仿真分析。
5) high geostress
高地应力
1.
Stability analysis of 1000m-deep-buried tunnel under high geostress entironment and its engineering application;
千米深埋隧洞高地应力稳定分析及其工程应用
2.
In the practice of tunneling in hard rock stratum under high geostress,mostly,two phenomena can be observed:(1) the rock has the activity of brittle breakage induced by the unloading;and(2) the parameters of surrounding rock in the excavation damage zone(EDZ) have changed,including elastic modulus E,cohesion c and friction angle φ.
鉴于高地应力环境下洞室开挖过程中围岩脆性破损行为和破损区内岩体力学性质发生改变的工程事实,并认为岩体破损劣化过程是岩体力学参数降低的过程,提出考虑高地应力硬岩地层中开挖扰动下围岩劣化的硬岩本构模型。
3.
In response to the limitation of conventional index for stability and optimal design of underground rockmass engineering with high geostress and the drawbacks of conventional energy release rate(ERR)rockburst index based on linear elastic theory without brittle failure phenomenon,local energy release rate(LERR),a new rockburst index is proposed.
针对地下工程稳定性分析与优化的常规指标在高地应力条件下的局限性及传统的能量释放率岩爆指标把岩体看成不发生脆性破坏线弹性体的不足,提出局部能量释放率新指标。
6) high crustal stress
高地应力
1.
Surrounding Rock Stability of Highway Tunnel in High Crustal Stress Area-Geology Monitor &. Forecast System;
高地应力区域公路隧道围岩稳定性及施工地质监测预报系统
2.
Once deep-buried long tunnel is constructed in soft rock under high crustal stress,rheology of soft rock is an outstanding engineering geology problem.
在高地应力环境下的软弱围岩中修建深埋长隧道,软弱围岩流变一是个突出的工程地质问题。
3.
The major engineering geology problems cover regional tectonic stability, high crustal stress of the dam area, stability of high steep rock slope, and stability of powerhouse cavern.
拉西瓦水电站主要工程地质问题包括区域构造稳定性、坝区高地应力场、高陡岩质边坡稳定性、厂房洞群围岩稳定性等。
补充资料:高地
地势高的地方,军事上特指地势较高能够俯视、控制四周的地方:无名~。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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