seams相关论文
Subsoil Natural Physico-chemical Reactor: The Property of Deep Abiogenic Methane-Containing High-The
For the first time,the property of deep abiogenic methane-containing high-thermobaric fluid to decompose organic residue......
A Comparative Study of the Coal-forming Characteristics of Marginal Sea Basins and Epicontinental Se
The coal-forming characteristics,as well as the similarities and differences between epicontinental sea basins and conti......
In order to investigate the behaviors and stability of rock strata surrounding an entry with bolt supporting in large di......
In multi-seam mining,the interlayer rock strata between the upper coal seam(UCS)and the lower coal seam(LCS)appear damag......
杜儿坪矿73903工作面付巷位于上煤层区段煤柱下方,围岩应力较高,变形严重,现有支护方案不能有效维护巷道围岩稳定。本文利用理论分......
依托成都双流国际机场西跑道沥青加铺改造工程,开展机场复合道面结构响应现场试验。在加铺层中埋设光纤光栅沥青应变计,实测飞机荷......
Experimental Study on the Feasibility of Methane Drainage in Coal Seams with Compound Technique of P
穿孔并且断裂的复合技术能有效地控制穿孔方向和断裂的扩大。在折断煤缝接使用的这种技术的可行性被分析。在这份报纸，穿孔并且断裂......
提出了求解飞行器表面结构缝隙电磁散射的方法，由场等效原理及场连续条件，运用矩量法解关于缝隙口面上等效磁流为未知数的方程，由此得......
随着国民经济的发展,公路建设得到了大力发展。沥青混凝土路面是公路建设常见的路面形式,做好质量控制对于路用性能有着直接的影响......
In light of the severe deformation and destruction of the district raise tunnel in the mining area at the northern part ......
由多个结构层构成的组合体钢桥面铺装需要根据钢桥的不同体系选择不同的结构层,通常为主体铺装和防锈两部分,这与桥面铺装形式没有......
瓦斯的赋存与成煤时的沉积环境、含煤地层岩性组合、构造、煤层与煤质等诸多因素有关系。袁村井田在钻孔中采集了大量的瓦斯样品进......
期刊
Numerical Study on an Applicable Underground Mining Method for Soft Extra-Thick Coal Seams in Thaila
The EGAT Mae Moh Mine is the largest open pit lignite mine in Thailand and it produces lignite about 16 million tons ann......
Study on the Theory and Method on Identification of the Mobile Block in the Face-Contacted Blocks St
In mining the left-over coal above the gob,stope wall rock of mining area have hard limestone.through field observation,......
