Abstract: This paper introduces the controlled blasting techinque for stonework and preventive technique for existing lines in construction of depressed road's extension of double line railway.
Abstract: This paper introduces the controlled blasting techinque for stonework and preventive technique for existing lines in construction of depressed road's extension of double line railway.
文摘:本文介绍了铁路复线扩堑施工中的石方控制爆破技术及对既有线的安全防护技术。