掘金基本知识(国外英文资料).doc

掘金基本知识(国外英文资料) Basic knowledge of driving I. position and function of tunneling Mining simultaneously, tunneling first, to dig, protect mining, mining to promote excavation. Coal mining in driving the premise, driving and services in coal mining. Two, the basic concept of roadway From the ground to the underground excavation engineering mainly includes wellbore, roadway and chamber of three parts. 1, wellbore According to the slope: shaft, shaft, adit. According to the function: usually the main shaft (coal), auxiliary (materials, personnel transport etc.), ventilation (ventilation), mixed well (coal, transportation etc.) etc. 2, roadway 1), according to the slope of horizontal roadway (drift, Shimen), inclined roadway (up and down); Shimen: a vertical (or oblique) horizontal tunnel facing a seam. 2) according to the coal rock Division: rock lane (in the section of rock accounted for 4/5 and above), coal roadway (cross section of coal seam accounted for 4/5 and above), half coal roadway 3) according to the roadway categories: open the roadway, prepare the roadway, mining roadway 4), according to the role of transport (such as working face roadway lane, belt rail hill hill, etc.), ventilation roadway (such as wind, wind up working face etc.), drainage (such as drainage lane water warehouse, etc.) and other roadways. 3, chamber Mine main pump room, transformer substation, winch room, depots, charging chamber, signal chamber, waiting room, avoid cave etc.. 4. Section shape There are two major categories of broken lines (such as rectangular, trapezoidal, oblique, trapezoidal, etc.) and curvilinear (arch, circle, horseshoe, ellipse, etc.). There are mainly arched, trapezoidal, rectangular (oblique, rectangular), circular, and other horseshoe shaped, oval shaped, oblique trapezoidal, and so on. Mine uses mainly arched, trapezoidal, rectangular (oblique, rectangular). The shape of each section is in order: The stability of roadway and the force bearing pressure are circula