Reply on topic: Construction of the tunnel that will connect the north and south of Tenerife begins
Drilling starts at the 5.1 kilometer Erjos tunnel which will complete the Tenerife island's ring road. It will be the longest tunnel on the Canary Islands. https://www.canarianweekly.com/posts/Drilling-starts-erjos-tunnel#ath #canarias #SpainChina Tunnelling Technology: Periodic: Modern Tunnel Technology
China academic periodic Modern Tunnelling Technology have many science article on tunnel technology. Please English abstracts for last issue. http://www.xdsdjs.com/EN/volumn/current.shtmlMaster Drilling’s innovative tunnel borer project has been cancelled
South Africa's Master Drilling had an agreement with the mining company Northam...tunnel borer project has been cancelled. Master Drilling received thbad news after the...#39;s Industrial Development Corporation, Master Drilling i...Day 11: Breakthrough imminent in Uttarakhand tunnel rescue op as pace of drilling picks up
While rescuers had started working on five operations simultaneously to rescue the men, the one on the Silkyara end is the most promising. https://indianexpress.com/article/india/uttarakhand-tunnel-rescue-operation-pace-of-drilling-picks-up-9038243/A patent from 1972: Method And Apparatus For Tunneling By Melting
...cially in these days we are stuck with 1950s technology in mechanized tunneling....ent reads: "A machine and method for drilling bore holes and tunnels by mel...ce can be electrical or nuclear but for deep drilling is preferably a nuclear reactor...Drilling completes on high-speed rail Gaojiaping tunnel through Hubei karst landscape
With a total length of 5,506 meters, Gaojiaping tunnel of Zhengzhou-Wanzhou high-speed railway (Zhengwan high-speed railway) completed drilling on Monday after 4 years. http://www.ecns.cn/video/2021-04-14/detail-ihakiuvi4581054.shtmlNATM technology being used to construct Zojila tunnel: Officials
“Advanced technology called the Austrian Tunnelling Method (NATM) is being used in this work. NATM is the first of its kind of technology being used anywhere in India. https://brighterkashmir.com/natm-technology-being-used-to-construct-zojila-tunnel-officials
cover tunnel photo by: Matt Brown from London, England / CC BY
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