采矿工程英语3.ppt

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1、2.2 Open Pit Blasting Technology露天爆破技术露天爆破技术v一、重点专业词汇和词组一、重点专业词汇和词组 by far 到目前为止到目前为止 depend on 取决于，依据取决于，依据 fragment 碎裂碎裂 relative to 相对于，涉及相对于，涉及 hardness 硬度硬度 vibration 震动震动 field control 现场控制现场控制 vIn order to 为了为了vQuantitative data 数据资料数据资料vWell-designed 精心巧妙设计的精心巧妙设计的vAdequate to 足以足以vOvercome

2、克服克服vTensile strength 抗张强度抗张强度vSequence 顺序，序列顺序，序列vSpacing 间距间距vDimensions 规模，大小规模，大小 vAdjacent 相邻的相邻的vBorehole diameter 钻孔直径钻孔直径vNegative 负面的，反向的负面的，反向的vRectangular 矩形的矩形的vBroken rock pile 爆堆爆堆vAs well as 不但不但而且而且vEmpirical approach 经验法，实证研究法经验法，实证研究法vnever-ending 不停的，不断的不停的，不断的vBe taken in 采用采用vdu

3、e to 归因于归因于vbe set by 由由决定决定vmatched to 与与相匹配相匹配vParticle size distribution 粒度分布粒度分布vDeck 分层的分层的vRule of thumb 经验法则经验法则vYield 收益；产量收益；产量vEvenly 平均地平均地vUsed to 惯于；过去经常惯于；过去经常 vDesirable 值得的，必要的值得的，必要的vDictates 决定决定vDividing into 把把分成分成vInitiated 引爆，起爆引爆，起爆vtime delays 延时延时vInert 惰性的惰性的vStemming 堵塞物堵塞

4、物vadjacent to 邻近的邻近的vFaults 断层断层vclay seams 土缝土缝vsympathetic ,simpetik 共鸣，共振共鸣，共振vDetonation 爆炸爆炸vArray 阵列阵列vPlugged 堵塞堵塞vPreventfrom 防止，阻止防止，阻止vPrior to 在在之前之前vVoids 空洞，间隙空洞，间隙vsafety precautions 安全保护措施安全保护措施vAbandoned 废弃废弃vnoncap-sensitive 雷管非敏感的雷管非敏感的vagent eidnt 药剂，制剂药剂，制剂vTamping pole 捣棍，捣棒捣棍，捣

5、棒va pair of 一副，一对一副，一对vwater-resistant 防水的防水的vDensity 密度密度vexcess water 过多水分过多水分vdetonating cords 导爆索，引爆线导爆索，引爆线vin accordance with 根据，依据根据，依据vmanufacturers recommendations 出厂说明出厂说明vmeasuring tape 卷尺卷尺vmillisecond mili,seknd 毫秒毫秒vresultant rizltnt 合力；结果；生成物合力；结果；生成物 vechelon eln 梯形；梯阵；阶层梯形；梯阵；阶层vdia

6、gonal dainl 对角线；对角线的；斜对角线；对角线的；斜的的vPlacement 布置布置 vrestricted ristriktid 受限制的；保密的，受限制的；保密的，限制限制vparallel prlel n. 平行线；对比平行线；对比, vt. 使使与与平行平行, adj. 平行的；类似的，相同的平行的；类似的，相同的vperpendicular ,p:pndikjul垂直的，正交垂直的，正交 的；直立的；陡峭的的；直立的；陡峭的 ,垂线；垂直的位置垂线；垂直的位置v configuration kn,fijurein 结构；外结构；外形形v respectively ris

7、pektivli 分别地；各自地，分别地；各自地，独自地独自地 vEffectiveness 效力效力 vmultiple-hole blasting 多孔爆破多孔爆破vstress wave 应力波应力波vRadial reidil cracking 放射状裂隙放射状裂隙,径向裂径向裂隙隙vcontributing to 有助于有助于vdetachment dittmnt 分离，拆开；分裂分离，拆开；分裂vin the vicinity of 在在附近，在附近，在上下上下vsympathetic detonation 殉爆，感应爆炸殉爆，感应爆炸 vinteract with 相互作用相互作

8、用vreflection 反射反射 vrelief rili:f 减轻，解除；救济；安减轻，解除；救济；安慰慰 vDrilling Equipments Surface drill rigsSurface drill rigs are used for blast hole drilling in construction, quarrying, and open-pit mining, covering a hole range between 23-203 mm.AirROC D40Drilling Equipments-Surface drill rigsAirROC D40 is a

9、small pneumatic down the hole drill rig. With a compact design, it is perfect for drilling in inaccessible and narrow places, and an efficient choice for quarries and construction. It is easy to transport - light enough to be lifted by a helicopter - and very easy to set up and operate. It has a goo

10、d drilling capability. High operational efficiency from the rig is achievable with its easy handling and interchangeable features. The machine is compact enough for convenient transportation over long distances. It is most suitable for blast-hole production drilling in quarries, open-pit mining and

11、construction work.Drilling Equipments-Surface drill rigsEasy to maneuver. High traction AirROC D40 is a one-man operated machine. It maneuvers rough terrain with ease, operating smoothly, thanks to its two independent hydraulic motors and dynamic braking system. Quick interchangeabilityExact positio

12、ningThe well positioned, manual type swing control panel allows the operator to see the hole clearly and position the rig with precision.Easy to maintainThe design of the machine is simple. Main components are conveniently accessible for service and maintenance, when required.Drilling Equipments-Sur

13、face drill rigsTechnical SpecificationsHole diameter85 - 115 mmProduct seriesAirROCDrilling methodDTH(down-the-hole )Cabin (Y/N)NoTechnical datav二、复合难句二、复合难句v1、The initial blast design depends mainly on the hardness of the rock , the geologic structure of the rock mass , the location of the mine rel

14、ative to vibration sensitive structures , available drilling equipment and the excavation rate and capacity of the mining equipmentv最初的爆破方案主要取决于岩石的硬度、岩层最初的爆破方案主要取决于岩石的硬度、岩层的地质构造、的地质构造、涉及涉及震动敏感构筑物的矿藏的位震动敏感构筑物的矿藏的位置、有效的钻孔设备和掘挖率以及采矿设备生置、有效的钻孔设备和掘挖率以及采矿设备生产力（容量）等因素。产力（容量）等因素。 v2、A high level of field co

15、ntrols must be continuously maintained in order to gain reliable quantitative data that can then be used to refine the blast designv为了获得能够改善爆破设计的可靠数据资为了获得能够改善爆破设计的可靠数据资料，我们必须不断地保持高水平的现场控料，我们必须不断地保持高水平的现场控制制 v3、To begin , a well-designed blast consists of a quantity of explosives placed into a series

16、 of blastholes drilled into a rockmass 开始的时候，一次精心设计的爆破包括放开始的时候，一次精心设计的爆破包括放置在钻在岩层上的一系列炮眼中的若干炸置在钻在岩层上的一系列炮眼中的若干炸药。药。v4、The amount of explosive energy generated by the explosives must be adequate to overcome the tensile strength of the rockmassv炸药产生的爆破能量的总和必须足以克服岩炸药产生的爆破能量的总和必须足以克服岩石的石的抗张强度抗张强度。 v5、This series of blastholes must then be detonated in a controlled sequence as to control the burden and spacing dimensions between adjacent holes.v必须按照一个控制抵抗线和孔间距的控制顺必须按照一个控制抵抗线和孔间距的控制顺序来引爆这一系列的炮孔。序来引爆这一