Rock Burst is one of the main engineering geology problems of deep-lying long tunnels.
岩爆是深埋长隧道的主要工程地质问题之一。
High stress rock burst and water outburst occurred in Erlangshan and Huayingshan road tunnels separately.
对二郎山和华蓥山隧道在建设过程中的高地应力岩爆与岩溶涌突水问题进行了研究。
Investigating valley stress field is of importance to the researches on mechanism and prediction of rock burst.
深入研究沟谷应力场的一般规律对于岩爆机理和岩爆预测研究是重要的。
The disaster comes days after another mine in Henan province experienced a rock burst, which trapped pit workers.
灾难发生的前几天,河南省一煤矿发生煤矿倒塌,很多工人被困。
The computed result indicates the acceleration curve and the speed curve appears change suddenly in the rock burst.
计算结果表明,发生岩爆时,巷道围岩的速度曲线和加速度曲线出现突变。
The results show that non-uniform thin-walled stress is the main reason of the frequent rock burst in driving roadway.
结果表明:非均匀薄壁应力现象的存在,是掘进工作面岩爆频发的重要原因;
According to the field observation data, mining pressure and rock burst tendency in deep mining condition are studied.
根据现场观测数据,对深部开采条件下工作面采动压力和冲击矿压倾向进行了研究。
The prevention and control of rock burst are of great significance for safely exploiting deep deposit in high-stress area.
岩爆的预防和控制对深部高应力区矿床的安全开采具有十分重要的意义。
The theory about intensity, rigidity, power and impacting direction of rock burst occurrence is introduced and briefly assessed.
介绍了冲击地压发生的强度、刚度、能量、冲击倾向和失稳理论,并对其进行了简单评价。
It is unavoidable to encounter with geological disasters, such as water gushing, collapse or rock burst during tunnel construction.
隧道在施工中不可避免地会遇到诸如涌水、塌方、岩爆等地质灾害问题。
Based on the occurring mechanism of slough rock burst, the mechanism to weaken shock with bolt support in coal roadway is analyzed.
从片帮型冲击矿压发生的机理出发,分析了煤层煤巷采用锚杆支护减冲的机理。
Meanwhile, by comprehensive considering of the influence factors of rock burst risk, a new evaluation model of rock burst was built.
通过综合考虑冲击地压危险性影响因素,建立了新的冲击地压危险性评价模型;
The monitoring principle and rule of classification forecasting rock burst have been studied aiming at the rock burst in coal mining.
针对煤矿冲击矿压灾害,研究了冲击危险性的监测原理和冲击矿压危险的分级预测准则。
It is necessary to research into the burst failure and rock burst tendency of combined sample which is made up of roof, coal and floor.
研究顶板-煤体-底板所构成的组合煤岩体试样变形破裂规律及冲击倾向性对于预测冲击矿压具有非常重要的实践意义。
The electromagnetic radiation (EMR) technology can forecast coal or rock dynamic disaster, such as coal and gas outburst, rock burst etc.
煤岩电磁辐射监测技术可以预测、预报矿井冲击地压和煤与瓦斯突出等煤岩动力灾害。
Mine CT include KJ550 Coal mine microseismic monitoring system (KJ550 CMS) and KJ551 Coal mine rock burst monitoring system (KJ551 CRMS).
矿山CT包括煤矿微震监测系统(KJ550)和煤矿冲击地压监测系统(KJ551)。
Aiming at the influence effects of roof stratum on rock burst, the research methods of physical simulation experiment in laboratory, UDEC 4.
针对顶板岩层对煤体冲击的影响作用机理,采用实验室物理模拟试验、UDEC4。
The area of 30m which is influenced by fault is a sudden change area in stress, and 90% of all rock burst frequencies take place in this area.
断层影响30米的范围内为应力陡变区,该范围内冲击地压发生的次数占全部次数的90 %。
Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.
煤矿生产中存在着大量的动力扰动,常导致采矿巷道和采场围岩局部失稳,诱发冲击矿压发生。
This model can be directly applied in underground rock projects to predict whether the rock burst will happen and how intensified the rock burst is.
此模型可以直接应用于岩石地下工程,对岩爆的发生与否及烈度大小进行预测。
The theory studies have showed that, rock burst is a kind of dynamic phenomenon of mining rock, and is a kind of dynamic disaster coming from mining.
理论研究表明,冲击地压实质为一种矿山岩体的动力现象,是矿山开采带来的一种动力学灾害。
The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough.
冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
Through the analysis of Huaiyushan tunnel rock burst engineering, summarized that this tunnel in the rock belongs to the ejection type rock burst type.
通过怀玉山隧道岩爆段的工程实例的分析,得出该隧道所遇岩爆类型为弹射型岩爆。
The research results will play a great role in understanding the mechanism of time lag of rock burst and establishing the prediction method of rock burst.
研究结论对于深入认识岩爆的时滞性机制以及建立时滞性岩爆的预测方法具有重要的意义和启示。
Due to high in situ stress in the powerhouse area, important deformation of local surrounding rock, rock burst, shotcrete spalling occur during excavation.
由于场区地应力比较高,在开挖期间出现了局部围岩的大变形及岩爆、喷混凝土层剥落等不良现象。
Critical sanding prediction model with perforated well completion was established using the theory and method of rock mechanics based on rock burst criterion.
以岩石破坏准则为基础,采用岩石力学的理论和方法,建立了射孔完井临界出砂预测模型。
Rock burst normally refers to the craze of the terrane with crepitation when the rock slices or rock pieces shoot off along with a certain direction or fall down.
岩爆一般是指在隧道开挖后,发生的一种带有爆裂声响的岩层开裂,岩片或岩块沿一定方向弹射出或坠落下来。
Considering the dynamic character of rock burst, a time serial model of rock burst is constructed by evolutionary neural network based on immunized evolutionary program.
考虑到冲击地压时序的特点,采用基于免疫进化规划的进化神经网络进行了冲击地压非线性系统的建模研究。
Finally, combined with the engineering practices, the paper discusses the problems concerned with the axial selection of the tunnel, the rock burst during construction, etc.
文章最后,结合工程实际,对隧道轴向的选择和施工中的岩爆问题进行了探讨。
Finally, combined with the engineering practices, the paper discusses the problems concerned with the axial selection of the tunnel, the rock burst during construction, etc.
文章最后,结合工程实际,对隧道轴向的选择和施工中的岩爆问题进行了探讨。
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