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- The unstable rock body with syncline structure on the right abutment of Danjiang arch dam are analyzed under the thrust from arch dam. 单江拱坝右坝肩存在一个向斜岩体结构,在拱坝推力作用下,有可能滑动破坏。
- unstable rock body 危岩体
- In thesis some special -minings were analysesed and discussed for the unstable rock -surrounded ore body under well in baoshan lead zinc silve r mine. 针对湖南宝山铅锌银矿井下不稳固围岩内矿体,就几种特殊采矿方法进行分析和探讨。
- Application of caving mining technology with bottom under condition of flat dipping mid-thick body and unstable rock caused the most of trench and bottom drift, located in abutment , to be destroyed and low recovery in south area, Xishimen Iron Mine. 摘要在缓倾斜中厚矿体底板岩性不稳固的条件下,采用有底柱崩落法,由于电耙道大多处于空区边部应力集中的部位,致使堑沟及底部结构巷道破坏严重而使回收率极低,采用无底柱崩落卸压则可有效解决上述难题。
- The biotite adamellite is the main metallogenetic rock body in the orefield. 晋宁晚期的岩浆活动强烈,黑云二长花岗岩是矿区主要成矿岩体。
- Irruptive rock body reservoir is one of important volcanic rock reservoirs. 摘要侵入岩体油气藏是火成岩油气藏的重要类型之一。
- Abstract This paper presents the transformation situation of the hoist system for service shaft and the successful experience of driving hoist room in the break and unstable rock mass near to surface. 本文介绍了金厂峪金矿副并提升系统改造概况和在破碎不稳固的近地表岩体中开挖卷扬机硐室获得成功的经验。
- Ore-bearing rock body is located at the top of" magma tree" within the belt of dimicaceous granite-granitic pegmatite. 含矿岩体位于“岩浆树”顶端-二云母花岗岩-花岗伟晶岩带。
- The Yuhuashan rock body in Jiangxi is a high-level composite plutonic complex,which hascompositional and structual evolutiOnary sequences. 玉华山岩体是一个高位复式深成杂岩体,具成分和结构演化序列。
- For the laminated rock body it can be determined as horizontally isotropic continuous media in FEA. 对于层状岩体,在有限元方法中可将其当成横观各向同性的连续介质进行计算。
- The forebay of the Wokahe First cascade Hydro Station is located in the deformation rock body with a bad quality. 沃卡河一级水电站前池位于变形体上,岩体质量较差,具有不均性和强透水的特性,是西藏地区比较典型的地质条件之一,其基础处理难度较大。
- Dynamic mechanical phenomena such as rock bursting in colliery are necessarily related to micro-seism of rock body. 煤矿冲击矿压、矿震等煤岩动力现象,与岩体的微震事件有着必然联系。
- Ningshan rock body and Hannan rock body, They have differenf characteristic and mineral rescue. 汉中地区主要发育宁陕与汉南2个大型岩体,各具不同的特征与矿产资源。
- To control the unstable rock, a thorough study is needed as to the geological status of the road's side slope and the causes of the rock's unstableness. 在治理过程中,需要对公路边坡的地质情况,危岩的发育成因,做出较为透彻的研究。
- The rock body in Tongshan is a composite one consisted of quartz diorite,granodiorite and adamellite,all of which were of the same magma source and epoch. 铜山岩体是在同一岩浆源,同一时期内由岩浆演化形成的石英闪长岩、花岗闪长岩和二长花岗岩组成的复式岩体。
- The time slice of coherent data body can unveil geological phenomena of fault,rock body margin,subsided column and unconformity. 对相干数据体作水平切片图,可揭示断层、岩性体边缘、陷落柱、不整合等地质现象。
- Traditionally,various subphase belts for irruptive rock body are studied and analyzed by mainly drilling well and coring. 传统上对侵入岩体各亚相带的研究和判断,主要通过钻井取心来认识。
- Traditionally, various subphase belts for irruptive rock body are studied and analyzed by mainly drilling well and coring. 传统上对侵入岩体各亚相带的研究和判断,主要通过钻井取心来认识。
- Through researches on porphyre rock body,alteration zoning and ore indicators and the ore-searching model are established in the area. 通过对斑岩体、蚀变分带及找矿标志研究,建立了红卓斑岩型铜矿找矿模型。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。