深孔预裂爆破,deep-hole presplitting explosion英语短句,例句大全

深孔预裂爆破,deep-hole presplitting explosion
1)deep-hole presplitting explosion深孔预裂爆破
1.Numerical simulation of improving permeability by deep-hole presplitting explosion in loose-soft and low permeability coal seam;高瓦斯低透气性煤层深孔预裂爆破增透数值模拟
2.In this dissertation, several researching methods, such as theory analysis and numerical simulation and on-field experiment as well as practical engineering application, are used to systematically study the promoting permeability effect of deep-hole presplitting explosion as well as action mechanism of promoting gas drainage and preventing coal-gas outburst.深孔预裂爆破为高瓦斯低透气性煤层增透,进而解决高瓦斯低透气性煤层瓦斯抽采难题提供了一条新的有效的途径。

英文短句/例句

1.Technic Study on Increasing Permeability of Deep-hole Presplitting Blasting and Its Application in Low Permeability Coal Seam;低透气煤层深孔预裂爆破增透技术研究及应用
2.Numerical simulation on increase of permeability using deep-hole pre-splitting explosion in coal seam高瓦斯煤层深孔预裂爆破增透数值模拟试验
3.The Application of Deep Hole Presplitting Blasting Technology in Rock Crosscut Coal Uncovering深孔预裂爆破技术在石门揭煤中的应用
4.Study on Effect of Intensified Increasing Permeability by Deep-hole Presplitting Blasting in High Gas and Low Permeability Coal Seam高瓦斯低透气性煤层深孔预裂爆破强化增透效应研究
5.Probe into Improving Recovery Ratio of Caving Coal at π Steel Beam Caving Coal Face by Deep Hole Pre-Fracture Blasting深孔预裂爆破提高π型钢梁放顶煤回采率可行探讨
6.Application of Roof Deep-hole Pre-splitting Blasting Technology While Working Face Crossing Coal Pillar顶板深孔预裂爆破在回采工作面过煤柱中的应用
7.Study on the Technology of Long-hole Pre-splitting Blast Controlling in High Gas Coal Seam to Increase Permeability;高瓦斯煤层深孔控制预裂爆破增透技术研究
8.A Practice of Presplitting Blast for Long Hole Benching in Multi-Governing Factor Condition多控制因素条件下深孔台阶预裂爆破的实践
9.INFLUENCE OF DEEP-HOLE CONTROLLED PRE-CRACKING EXPLOSION ON MICROSTRUCTURE OF COAL深孔控制预裂爆破对煤体微观结构的影响
10.Research on splitting technical of coal bed deep-hole cumulative blasting to improve permeability煤层深孔聚能爆破致裂增透工艺研究
11.Study on Fragmentation Forecasting for Length Hole Bench Blasting;中深孔台阶爆破块度分布预测的研究
12.On the Application of Outer-hole Blast in Medium Length Hole孔外延期爆破在中深孔爆破中的应用
13.Experimental Research on Long Hole Loose Blasting Mechanized Kaolin Mining高岭土矿机械化开采预先深孔松动爆破试验
14.Research and application of deep hole advance pre-blasting in hard roof of steeply dipping seam mining大倾角坚硬顶板深孔超前预爆破研究与应用
15.The Calculating and Testing Research on the Fractural Range of Bench Shooting of Loading Emulsion Explosive in Deep Hole;混装乳化炸药车深孔梯段爆破破裂范围计算分析及试验研究
16.long hole raising深孔爆破法天井掘进
17.The application of MS-delay pre-splitting blasting and MS-delay close-drilling pre-splitting blasting in the high rock slope excavation for CMICT dock was introduced.介绍了微差预裂爆破和微差密孔预裂爆破在CMICT码头高边坡开挖工程中的应用。
18.Research on Mechanics of Charging Structure of Bottom Gas-Space in Deep-hole Blasting Engineering;中深孔爆破孔底空腔装药机理的研究

相关短句/例句

deep-hole pre-splitting blasting深孔预裂爆破
1.The vibration testing analysis of blasting in Tai-Chang freeway show that it is chamber & deep-hole pre-splitting blasting that can strikingly drop the seismic effect of chamber blasting,so it effectively solves some problems of slope stability,slope quality and safety of building & structure that blasting vibration brings about.硐室加深孔预裂爆破能够显著地降低硐室爆破所带来的地震效应,有效地解决爆破振动所造成的边坡稳定性、边坡质量和爆区附近建(构)筑物的安全问题,适用范围比较大。
2.The vibration testing analysis of blasting in Tai Chang Exprassway shows that chamber & deep-hole pre-splitting blasting can strikingly drop the seismic effect of chamber blasting,so it effectively solves some problems of slop stability,slop quality and safety of building structures caused by blasting vibration.太长高速公路的爆破振动测试分析表明硐室加深孔预裂爆破能够显著地降低硐室爆破所带来的地震效应,有效地解决爆破振动所造成的边坡稳定性、边坡质量和爆区附近建(构)筑物的安全问题。
3)chamber & deep-hole pre-splitting硐室加深孔预裂爆破
1.The vibration testing analysis of blasting in Tai Chang Exprassway shows that chamber & deep-hole pre-splitting blasting can strikingly drop the seismic effect of chamber blasting,so it effectively solves some problems of slop stability,slop quality and safety of building structures caused by blasting vibration.太长高速公路的爆破振动测试分析表明硐室加深孔预裂爆破能够显著地降低硐室爆破所带来的地震效应,有效地解决爆破振动所造成的边坡稳定性、边坡质量和爆区附近建(构)筑物的安全问题。
4)deep-hole-presplit blasting深孔梯段预裂爆破
5)deep-hole and pre-shear blasting technology深孔预裂爆破技术
1.Through adopting the deep-hole and pre-shear blasting technology,the per unit yield of working face and extraction rate are raised,the problems of difficult caving of roof coal and low extraction rate caused by coal hard and inserting gangue at the fully mechanized face with caving of roof coal in the huge thick coal seam are solved.通过采用深孔预裂爆破技术,提高了工作面单产和回采率,解决了巨厚煤层综放工作面因为煤质硬及夹矸导致顶煤难放回采率低的问题,为工作面高产、高效创造了良好条件。
6)long-hole pre-splitting controlling blast深孔预裂控制爆破
1.In view of the low permeability and high gas-outburst coal seam of the excavating working faces, this dissertation advances a new technology that uses long-hole pre-splitting controlling blast worked along with long borehole draining.本论文主要针对低透气性高瓦斯突出煤层采掘工作面,提出了采取深孔预裂控制爆破配合长钻孔抽放的技术。