1) surrounding rock stabilization
围巷稳定
1.
Study by the fact that mining stride over for the first time rule in fully-mechanized coal winning caving roof face and surrounding rock stabilization,we can direct coal winning mangangment and support parameter,this afford new thinking way for analysis surrounding rock structural.
通过进行综放工作面仰斜开采顶板初跨规律及围巷稳定性研究,可合理指导回采工作面在初采老顶跨落期间的顶板管理以及合理确定风运两巷超前支护参数、排水巷与切眼间煤柱,为首采工作面围岩结构分析提供了新的思路和方法。
2) surrounding rock stability of coal tunnel
煤巷围岩稳定性
1.
The results showed that the method of weighted average evaluation for surrounding rock stability of coal tunnel can reflect the stability characteristic of surrounding rock scientifically and provide a reliable basis for rock control and support design.
煤巷围岩稳定性评价是判断巷道支护难易程度和进行支护设计的依据。
3) the stability classification of roadway surrounding rock
巷道围岩稳定性分类
1.
The artificial neural network provides us a new theoretical method on the stability classification of roadway surrounding rock.
人工神经网络理论的出现为人们研究巷道围岩稳定性分类提供了一种新的理论方法。
5) stability of the roadway surrounding
巷道围岩失稳
6) Roadway stability
巷道稳定性
1.
Numerical experiment on effect of circular roadway stability by intermittent joint in deep rock mass;
深部岩体中断续节理对巷道稳定性影响的数值试验
2.
Based on orthogonal design,several numerical simulation schemes of roadway stability controlled by connected fissures were built according to actual status of Lu'an mining district.
研究表明:1)贯通裂隙间距(2~4 m)小于巷宽(4 m)时,巷道围岩稳定性受裂隙控制,反之主要受巷道围岩强度的影响;2)单组裂隙间距小于3 m,倾角30°~70°巷道围岩收敛量较大,巷道稳定性较差;3)双组裂隙控制岩体,巷道顶底板稳定性随裂隙倾角(0~70°)增大而提高;裂隙倾角70°时,巷道围岩稳定性相对来说较好;裂隙间距增加使巷道稳定性提高,裂隙间距大于巷宽时,巷道稳定性已趋于恒定,主要受围岩强度的控制;4)双组裂隙切割围岩体巷道比单组裂隙更易失稳破坏;5)巷道围岩内最易出现塑性区部位是巷道顶角、巷帮及巷道顶底板中央,双组裂隙围岩的塑性区远超过单组裂隙围岩;6)裂隙倾角在45°~70°时,塑性屈服的弱面单元数量剧增,巷道围岩体易沿弱面滑动而导致破坏失稳。
3.
On the basis of analysis of the 5 underlying roadways,which were bestrided by No 4403 isolated fully mechanized mining face with sublevel caving in Dongtan Coalmine,the influence factors and evaluation method of the over extraction roadway stability are discussed in this paper;the structure theory and control principles of the roadway's internal and external layer strata are also presented in it.
在分析东滩煤矿 430 3“孤岛”综放面跨采下部 5条软岩巷道的基础上 ,探讨了跨采巷道稳定性的影响因素及其评价方法 ,研究提出了巷道围岩内外层结构理论及其控制原则 ,为有效控制跨采巷道附加变形 ,保证工作面生产时巷道的正常使用提供了依
补充资料：甘谷酥围围
甘肃的一道地方小吃，是以精细白面、上等胡麻油配以香料等精工细作，并用适宜的火候在上下都有炭火的一种称锆的平底锅内烙烤而成。它具有色泽金黄、香酥可口、油而不腻之特点，还具有耐存耐放之长处，即使在炎夏，存放月余也是光干不馊，常被人们购捎给省内外的亲朋好友。据传酥圈圈是满清时由城关蒋家独庄一姓李的厨师创制成的。如今第五代传人李朱迅正在继承先祖遗业，服务于民众。
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