At present, drilling and blasting method is mainly used in the shaft excavation.
目前，天井的掘进方法，主要采用钻爆法。
During different working conditions, we need repeated experiment and optimization for getting the best results of drilling and blasting method.
在不同的工作环境中，需经反复的试验与优化，才能使钻爆法施工获得最佳效果。
With the rapid development of railway engineering construction, drilling and blasting method will be widely used to excavation of railway tunneling.
随着铁路工程建设的迅猛发展，钻眼爆破法将会越来越多地被应用于铁路隧道的开挖。
For the frozen weathered bedrock, sandy gravel and pebble bed, it is more suitable to use drilling and blasting method than to use the frozen soil excavator.
对冻结风化基岩、砂砾层或卵石层，冻土挖掘机效率低，宜采用钻眼爆破法，采用抓岩机装载冻土。
The main methods for the construction of tunnel are usually both the traditional drilling and blasting method and the modern method of TBM, which have their own applicable conditions concerned.
隧洞施工的主要施工方法是传统的钻爆法和现代的掘进机法，各个方法均有其不同的适用条件。
Through example, applications of blasting technology in drilling construction are introduced, and provided method use for reference to resolve similar problems in drilling construction from now on.
通过实例，介绍了钻探施工过程中，爆破技术的应用，为解决今后钻探施工的类似问题，提供了可借鉴的方法。
The undermine method of well drilling technology once of blasting is put forward as well as the calculation of blasting parameters and the demand of implementation for hole.
介绍了爆破一次成井技术在漂塘钨矿的应用实践，提出了爆破一次成井的掏槽方式，爆破参数的设计计算方法和炮孔的施工要求。
Combining engineering, this article introduces blasting method and controlling process to reduce drilling vibration.
本文结合工程实例介绍减震爆破的控制过程和爆破方法。
Using drilling-and-blasting method and convenient highway transportation for afforestation on two sides of highway in mountain area, the efficiency of large-scale afforestation can be greatly raised.
利用钻孔爆破方法和公路运输的便利条件在山区公路两侧植树造林，能够大大提高大规模造林的效率。
On the other hand, drilling and blasting are main construction method of the underground project excavation, it can't be ignored that the vibration response of surrounding rocks on dynamical loads.
另一方面，钻爆法仍然是地下工程开挖的主要施工方法，围岩在动态荷载作用下的振动响应也是一个不可忽视的问题。
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.
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.
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。
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