Drill and blast method of tunnel excavation on hard rock 硬岩地铁隧道钻爆法开挖结合盾构法衬砌的施工技术
Gprs 900 1800mhz tdma digital cellular mobile communication network gprs general packet radio service test methods of tunnelling protocol 900 1800mhz tdma数字蜂窝移动通信网通用分组无线业务
Moreover , the method of tunnel construction monitor is put up , which has a significant guide to the tunnel construction 指出随道施工监测对于隧道施工质量的提高和运营安全有着重要的指导意义。
The theory and its calculated methods of tunnel section design is researched in this paper , including the foundation and methods of the choice of profile and line types , and value and distribution of load , and the common calculated methods of lining structure 研究了水工隧洞断面设计的理论及其计算方法,包括断面选型和衬砌型式选择的依据和方法,荷载的取值和分布,衬砌结构常用计算方法的研究。