The formation of a normal blasting crater for the break blasting of a roadway in rock with high residual stress was investigated based on the theory of cylindrical blasting crater.
以柱装药爆破漏斗理论为基础,对高地应力巷道崩落爆破标准漏斗形成进行研究,导出了高应力条件下形成崩落爆破标准漏斗的判断准则,进而导出了相应条件的巷道崩落爆破参数计算式。
The blasting crater curves of two different charges,the relationship between blasting crater volume and charge embedment depth and crater radius,the optimum blasting crater embedment depth,the critical blasting crater embedment depth and the unit consumption of explosives were disc.
根据利文斯顿爆破能量平衡准则,在安庆铜矿生产现场,进行了系列单孔爆破漏斗试验以及变孔距多孔同段爆破漏斗试验。
By employing the VCR mining method,the experiment of blasting funnel must be carried out on the spot in order to ensure the parameters in mining by globular dynamite charge.
使用VCR采矿法进行采矿时,必须就地进行爆破漏斗实验,以确定利用球状药包落矿时的爆破参数。
To optimize the existing blasting parameters of medium-length hole drilling,a series of blasting funnel tests are carried out to provide reasonable parameters of unit wastage of explosive,the least resist distance and the most hole-bottom distance for mining design so as to improve the blasting effect and reduce mining cost.
为了优化现有的中深孔凿岩爆破参数,通过系列爆破漏斗试验,为采矿设计提供合理的炸药单耗、最小抵抗线和最大孔底距参数范围,从而改善爆破效果,降低采矿成本。
On the basis of blasting funnel test on inverted bench,using microcomputer,a blasting CAD system of underground mine fan-shaped middle-deep holes is developed,and a method of explosive optimization is potsented.
利用ＣＡＤ技术，在完成倒台阶爆破漏斗试验的基础上，在微机上研制了地下矿扇形中深孔ＣＡＤ智能系统，并对中孔装药量进行优化。
Based on the theory of similarity and explosion crater of C.
根据相似理论和利文斯顿爆破漏斗理论进行了冻结粘土、砂土在－７，－１２，－１７℃３个温度水平下的爆破漏斗模型试验，对爆破漏斗几何参数及块度进行了回归分析，冻结砂土的爆破漏斗参数回归效果比粘土高度显著，冻结粘土的爆破碎块较好地服从Ｒ－Ｒ分布，冻结砂土较好地服从Ｇ－Ｇ－Ｓ分布。
A number of explosion crater tests on ice-rich frozen soil were carried out along Qinghai—Tibet railway.
对青藏高原沱沱河地区某一高含冰量冻土爆破漏斗的试验和爆破试验方法进行了研究。
The paper describes a few explosion craters carried out in certain place of Qing Zang railway,the optimum depth and maximum volume are obtained,and the optimum blasting parameters are also found out.
本文在青藏线某一高含冰量冻土地段 ,进行了爆破漏斗试验 ,在此基础上得出单位药包的最佳埋深、最大体积 ,进而推出最佳爆破参
The experiential study has researched the question how blasting cone and the improvement of throwing crest change when concentrated charge has been prolonged to linear charge, and whether the theory of the concentrated charge can be used to replace the blasting crater design of linear charge and the parameter of blastiing cone and empitical method can be used in the designing work.
把集中药包拉成条形药包之后,其爆破漏斗变化有多大?条形药包能否改善抛掷堆积?可否用集中药包的爆破漏斗参数(n、R、R′、P)及经验方法来设计条形药包的爆破漏斗?本试验研究将回答这些问题。
The methed of testing q in blasting cone experiments is introduced in details.
本文介绍了爆破漏斗q值测定试验方法，并用多因素评判的加权平均法对落矿的炸药单耗作出确定。
Then experiments were conducted on explosive funnel in different masses in order to analyze the influence of joints and fractures on the propagation of shock wave in the rock mass,crushing of rock mass and the formation of explosive funnel.
利用超声波探测法对节理裂隙岩体进行了声波测试,对不同的节理裂隙岩体进行了质量评估,通过对节理裂隙岩体进行爆破漏斗试验,分析了节理裂隙对岩体中爆炸应力波传播、岩石破碎及爆破漏斗形成的影响。
Secondly, experiments on explosive funnel are conducted, and the paper discusses the influences of the joints on propagation of shock wave, the rock breaking and formation of explosive funnel.
然后通过对节理裂隙岩体进行爆破漏斗试验,分析了节理裂隙对岩体中爆炸应力波传播、岩石破碎及爆破漏斗形成的影响,得出了一些有益结论,对节理裂隙岩体理论研究和指导工程实践具有一定的参考价值。
The experimental scheme of combining bench balsting with crater blasting technique has been used according to the Livingston Crater Theory and the real blasting technique condition in Holinhe coal mine.
从霍林河煤矿的实际爆破技术条件出发，基于利文斯顿爆破漏斗理论，采用台阶爆破和漏斗爆破相结合的爆破方案进行现场试验。