中深孔爆破广泛地应用于公路路堑开挖、机场整平等基础建设中。
Medium-length blasting is widely applied to the basis construction, such as the cutting excavation of the highway and the land leveling of the construction of airport.
经过优化研究,得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine , was obtained.
在立井井筒施工中,采取中深孔爆破施工方法,是立井快速施工的有效途径。
In shaft construction, using the method of middle-deep hole explosion can fast and effective build shaft.
中深孔爆破的各项技术参数之间存在着相互关联性,寻找他们之间的内在联系,可以合理地优化爆破方案。
There exists connection among the technical parameters and the explosion program can be optimized if the inner relation among them can be found out.
降低深孔爆破落矿大块率是矿山凿岩中的一个重要课题。
To lower blasted boulder yield is one of the most important technical considerations in deep-hole blasting operations of mine.
提出了中深孔抛掷爆破分段空场法,并阐明其对采场地压的适应性。
Medium and deep hole casting blast sublevel open stoping method is suggested and its suitability to the stope ground pressure is expounded.
在理论上和利用实验室模型实验对深孔控制卸压爆破中的控制孔的作用进行了研究分析。
The effect of control holes of the blasting method was analyzed theoretically and the blasting mechanism of it was discussed and tested by lab and in field.
而合理的硬岩巷道中深孔掘进爆破参数则一直是需要研究解决的技术难题。
But appropriate the blasting parameters of medium deep blasting in hard rock tunnel is always a technical problem need to be solved.
大红山铜矿地下中深孔采矿中,采用系列爆破漏斗试验方法确定中深孔采矿凿岩爆破参数,取得了较好的效果。
Serial blasting crater test method was used in underground medium and deep hole mining of Dahongshan copper mine for determining drilling and blasting parameters, and good results were obtained.
本文论述了水垫层在深孔爆破中的作用。
This paper describes the effects of bottom water cushion on long hole blasting.
在石料开采工程中,应用深孔毫秒延时挤压爆破技术,减少爆破震动危害,石料块度比较理想,取得良好的爆破效果。
Deep hole millisecond compression blasting was applied to stone quarrying, resulting in reduced harmful blasting vibration, anticipated blasting fragment size and ideal blasting effect.
通过对柳钢屯秋矿开采中的爆破工作进行总结研究,提出采用露天开采深孔爆破的技术条件与安全保障措施。
The technical requirements adopted for open long-hole blasting and its insurance countermeasures were put forward by summarizing the blasting operation during exploiting the Tunqiu Mine of Liugang.
张店钢铁总厂湖田石矿为缓倾斜露天矿,在由上而下顺倾向采矿的缓倾斜台阶深孔爆破中,下一台阶对爆区有夹制作用,给爆破工作带来很大难度。
In step long-hole blasting in gently inclined open-mine, which mining along slope direction from top to bottom, the press from next step result great difficult in blasting work.
阐述了水平深孔爆破在城区石方开挖中的应用,并初步探讨了水平孔爆破的破岩机理。
The paper elaborated the application of level deep-hole blasting for excavation project in city.
介绍了大孤山铁矿在矿石三期破碎系统的建设过程中,采用垂直深孔爆破技术挖掘破碎峒室,使挖掘工期大幅度缩短。
Dagushan's iron mine whose iron ore is in its third fragmentation system is in the construction process, in which the vertical deep-hole blasting technology was adopted to excavate the fragment room.
在露天煤矿开采中,近距离的深孔爆破对于邻近单位建筑物会产生震动影响。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
提出了露天矿深孔爆破中降低大块率的技术措施。给出了矿山应用的实例。
Besides some measures for reducing BYof borehole blasting application in open pits are provided here.
以两个工程为例,介绍了在城镇基坑开挖工程中采用了大孔径深孔爆破技术。
Taking two of projects as examples, the paper discussed the technology of large diameter borehole blasting applied in the excavation of footing groove in city.
采场切割井用中深孔一次爆破技术,采场周边及上盘则采用光面爆破技术,确保采场稳定。
One time blasting of deep and medium holes was applied for the cut through raise and smooth surface blasting was used for the stope periphery and upper wall to ensure the stope safety.
煤层深孔预裂爆破近年来在瓦斯抽放中运用日益增多,但目前对其爆破理论研究较少。
The technique of deep-hole presplitting blasting in coal bed is widely used for gas predrainage recently; but its blasting theory is not clear up to now.
煤层深孔预裂爆破近年来在瓦斯抽放中运用日益增多,但目前对其爆破理论研究较少。
The technique of deep-hole presplitting blasting in coal bed is widely used for gas predrainage recently; but its blasting theory is not clear up to now.
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