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| 1 | Top coal flows in an excavation disturbed zone of high section top coal caving of an extremely steep and thick seam显示文摘与轻轻的剧降相比长墙的探穴,在为极其陡峭、厚的缝接的充分使机械化的最高煤的探穴的一张工作的脸的长度是短的,当它的水平节与增加高时生产。但是探穴比率是低的,在一些灾难的力量结果例如房顶下降,在煤气的累积导致的一张工作的脸和危险由最高的煤的本地、大的区域倒塌导致了它。在裂缝的发展以后并且煤身体变弱,极其陡峭的缝接的最高的煤(小粒的媒介) 的高、破节(超过 60 掳) 表演清除非线性的运动的特征。我们彻底地分析了地质的环境,挖掘的采矿条件扰乱了地区。从大规模 3D 为最高的煤鈥搘a ter 鈥揼a s 的模拟建模并且联合的一个物理实验基于结果,我们断定削弱的最高的煤能被认为是间断媒介。我们使用了一个粒子流动代码程序高比较并且分析移植进程和 30 m 的运动节在在 Weihuliang 煤矿极其陡峭的缝接变弱前后随着时间的过去超过煤。我们的模拟,实验和监视表演的结果水的那注射前并且预先切开爆炸改进探穴能力和对称的探穴,为大区域减轻空间动态倒塌超过煤,延长有害气体的迁居时间并且外面免除他们 mined 区域并且那么在采矿完成安全。 | Miao Shengjun Lai Xingping Cui Feng | 2011 | Mining Science and Technology2011，21，1： | 7 |
| 2 | Evaluation on Stability of Stope Structure Based on Nonlinear Dynamics of Coupling Artificial Neural Network显示文摘The nonlinear dynamical behaviors of artificial neural network (ANN) and their application to science and engineering were summarized. The mechanism of two kinds of dynamical processes, i.e. weight dynamics and activation dynamics in neural networks, and the stability of computing in structural analysis and design were stated briefly. It was successfully applied to nonlinear neural network to evaluate the stability of underground stope structure in a gold mine. With the application of BP network, it is proven that the neuro-com- puting is a practical and advanced tool for solving large-scale underground rock engineering problems. | Meifeng Cai Xingping Lai | 2002 | Journal of University of Science and Technology Beijing2002，9，1： | 7 |
| 3 | Quantitative analysis of biotechnical reinforcement for a steep slope consisting of composite coal-gangue-soil medium adjacent to a mined-out area显示文摘The engineering and geological characteristics of a steep slope consisting of coal gangue, rock and soil medium in Hua- ting coal mine have been comprehensively investigated. Owing to humid weather, heavy rainfall, vegetation and porous characteris- tics of the soil and rock mass, the steep slope will be destabilized and induce mud-rock flow or derive hazard easily. Firstly, based on the classical slope reinforcement theory, some regularity between the shear and displacement in the destabilized zone of the slope with or without root strength contribution is presented. Then, based on the experimental and statistical analysis of root strength, hy- drological characteristics and stability status, etc., some possible biotechnical techniques for reinforcement of the steep slope have been suggested. These methods are important for quantitative analysis of destabilization of the slope and design of the biotechnical reinforcement. | Xingping Lai Mowen Xie Fenhua Ren Meifeng Cai | 2005 | Journal of University of Science and Technology Beijing2005，12，6： | 3 |
| 4 | Hybrid assessment of pre-blasting weakening to horizontal section top coal caving (HSTCC) in steep and thick seams显示文摘Horizontal section top-coal(HSTCC)caving offers a powerful method to efficiently excavate rude coal in steep and thick seams,and pre-blasting weakening has a profound effect on pursuing great production,high efficiency and good benefit under particular conditions like a small-scale working face with large-scale sectional caving height.+564-level HSTCC working face in B3–6coal seams of Jiangou Colliery in Urumqi was taken as study case for in situ industrial experiment.Total thickness of seams in the study case is about 50.0 m and average angel here is over 83°.In the industrial experiments,at first we adopted continuous charge machine and emulsion matrix explosive to substitute for traditional blasting schemes for specific geological settings in the study case.Hybrid analyses and assessments with blasting crack propagation analysis,abutment pressure monitoring prediction and economical benefit assessment were attributed to be able to attest pre-blasting weakening effects practically.Meanwhile crack propagation analysis after pre-blasting weakening showed that in all triple monitoring bore holes rock masses of top-coal would be fallen into three stages from the bottom up:fracture zone,plastic zone and elastic zone generally,and fracture toughness respectively in correspondent zones was calculated by the analytical formula:0.5616–0.8806,0.6403–0.9541 and0.7535–1.1900 MPa m1/2after pre-blasting weakening.Pressure monitoring prediction and economical benefit assessment also indicated that it was necessary to introduce the pre-blasting weakening with predominant blasting scheme from both views.For excavation in extremely steep and thick coal seams,relevant results would be a useful tool to study the mechanism of pre-blasting weakening both qualitatively and quantitatively. | Lai Xingping Shan Pengfei Cao Jiantao Sun Huan Suo Zhengyong Cui Feng | 2014 | International Journal of Mining Science and Technology2014，24，1： | 3 |
| 5 | Assessment of rock-mass characteristics and the excavation disturbed zone in the Linxin Coal Mine beneath the Xitian river, China 显示文摘 | Xingping Lai Meifeng Cai Fenhua Ren | 2006 | International Journal of Rock Mechanics and Mining Science2006，43，4： | 1 |
| 6 | Assessment of rock mass characteristics and the excavation disturbed zone in the Lingxin Coal Mine beneath the Xitian river显示文摘 | Xingping Lai Meifeng Cai Fenhua Ren | 2006 | International Journal of Rock Mechanics & Mining Sciences2006，43，： | 1 |
| 7 | Damage mechanics model of top coal in steep top caving coal显示文摘 | Shi Pingwu Lai Xingping | | 0，，01： | 1 |
| 8 | Assessment of rock- mass characteristics and the excavation disturbed zone in the Linxin Coal Mine beneath the Xitian river, China显示文摘 | Lai Xingping Cai Meifeng Ren Fenhua | 2006 | International Journal of Rock Mechanics and Mining Science2006，43，4： | 1 |
| 9 | Mechanism of dynamic destabilization of mined-out area during mining in Da liuta Coal Mine显示文摘 | CAI Meifeng LI Yumin LAI Xingping | 2009 | Journal of Liaoning Technical University(Natural Science)2009，28，1： | 1 |
| 10 | Assessment of rock mass characteristics and the excavation disturbed zone in the Lingxin Coal Mine beneath the Xitian river, China显示文摘 | Xingping Lai Meifeng Cai Fenhua Ren Mowen Xie Tetsuro Esaki | 2005 | International Journal of Rock Mechanics and Mining Sciences2005，，4： | 1 |
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