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- Coarse gravel or crushed rock laid to form a bed for roads or railroads. 道碴用来铺公路或铁路路基的粗砂砾或碎石
- A foundation of crushed rock or a similar substance for a road or railroad; a roadbed. 路基碎石或类似物质做的道路或铁路的基础; 路基
- Unloading rock mass mechanics II. 卸荷岩体力学2。
- The rock mass produced by an intrusive process. 侵入岩浆岩浆侵入过程中生成的岩块
- The machine can crush rocks into powder. 那台机器能把石头碾成粉末。
- The geological conditions of Jiaojia Gold Mine are introduced,the types of engineering rock mass are classified and the methods of stope support are evaluated. 介绍了焦家金矿床的赋存地质条件,划分了工程岩体类型,介绍评价了矿山近年来应用的支护方法。
- His grasp was tight enough to crush rocks. 他的手握得紧紧的,足以把石头弄碎。
- Simultaneously, the displacements of the rock mass were monitored. 与此同时,还对矿房围岩的变形进行了监测;
- A fracture or crack in a rock mass along which no appreciable movement has occurred. 裂缝,裂口岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动
- A machine that crushes rock or ore. 颚形碎石机一种碾碎岩石或矿石的机器
- A foundation of crushed rock or a similar substance for a road or railroad;a roadbed. 路基碎石或类似物质做的道路或铁路的基础;路基
- Theory and practice of grouting drainage and anchorage of rock mass II. 岩体灌浆排水锚固理论与实践2。
- There is a large scale of dynam-relaxed rock mass lies in Daliushu dam site. 大柳树坝址区存在大面积、大范围的岩体松动破坏现象。
- Cleavage and fracture have a strong impact on blasted result for rock mass. 摘要节理裂隙对岩体爆破效果有很大的影响。
- The parameters for gas logging and ROP are different greatly from the parameter in normal drilling due to the effect of the crushed rock volume,the drilling fluid and so on. 取心井段由于受破碎岩石体积、钻井液等因素的影响,气测值和钻时与正常钻进时的录井值有较大差别。
- The formulas of rock mass displacements and deformations are devel... 通过工程实例分析表明,理论预计结果与现场实测结果吻合。
- Due to complicated burring conditions of the ore-bodies in the open-pit mines, the failure modes of the slope are closely related to geological structures and rock mass characteristics. 由于矿体赋存条件的制约性,矿山边坡的变形破坏模式与地质构造特徵、岩体结构特徵的关系极为密切。
- The slope rock mass where the left-bank shiplock of the Wuqiangxi Hydropower Station is located is characterized by soft and crumbling tectonics and complicated geological conditions. 五强溪水电站左岸船闸边坡岩体软弱破碎,地质条件复杂,该边坡变形机制一直是个有争议的问题。
- Accumulating sand can lead to great pressure on top of the grottoes and ponding in the rock mass. 积沙还能造成窟顶巨大压力和岩体积水。
- As the shallow depth and poor geological conditions, the surrounding rocks are always soft, fragmentized or intensively disintegrated rock mass with partial pressure. 在浅埋条件下,地层的条件也相对较差,一般为软岩、破碎岩体或高风化岩体且带有一定的偏压。