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[期刊论文] 作者：Jafarimoghaddam Alireza,Khademi Hamidi Jafar,Najaf Mohammad,,
来源：International Journal of Mining Science and Technology 年份：2013
So many potential risks can be identifed for application of trenchless technology especially using microtunneling methods.Unexpected changes in ground condition...
An estimation of the penetration rate of rotary drills using the Specific Rock Mass Drillability ind
[期刊论文] 作者：Cheniany Alireza,Hasan Khoshrou Seyed,Shahriar Kourosh,Khademi Hamidi Jafar,,
来源：International Journal of Mining Science and Technology 年份：2012
The main purpose of the present study was to provide a practical,convenient drillability prediction model based on rock mass characteristics,geological sampling...
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