CRCHI unveils the World's First Variable Diameter Inclined Shaft Tunnel Boring Machine
https://www.youtube.com/watch?v=YQT-vU3z618 The World's First Variabl...the ability to continuously operate horizontal...aused by the use of pilot shaft and drilling and blasting construction met...ng inclined shafts, the traditional drilling and blasting method has an av...CRCHI unveils the World's First Variable Diameter Inclined Shaft Tunnel Boring Machine
https://www.youtube.com/watch?v=YQT-vU3z618 The World's First Variabl...the ability to continuously operate horizontal...aused by the use of pilot shaft and drilling and blasting construction met...ng inclined shafts, the traditional drilling and blasting method has an av...CRCHI unveils the World's First Variable Diameter Inclined Shaft Tunnel Boring Machine
https://www.youtube.com/watch?v=YQT-vU3z618 The World's First Variabl...the ability to continuously operate horizontal...aused by the use of pilot shaft and drilling and blasting construction met...ng inclined shafts, the traditional drilling and blasting method has an av...Jakarta Bandung Fast Train 5th Tunnel Boring Finish. Railway progress at 64%
Jakarta Bandung Fast Train (KCJB) construction project built by PT Kerata Cepat Indonesi...ews/2020/12/17/jakarta-bandung-high-speed-railway-progresses-by-64-completes-drilling-of-fifth-tunnel.html  ...Australia: Tunnelling launch site under construction for the Melbourne's Suburban Rail Loop
Tunnelling launch site under construction for the S...k yet on SRL East. Excavators, cranes and pile-drilling rigs will dig a 19m deep, 38m...nabling TBMs to be launched in 2026. Crews are drilling holes around the edge of the...Turin - Lyion Tunnel: Breakthrough in the first section between Saint-Martin-la-Porte and La-Praz
https://www.youtube.com/watch?v=Z2FTHQPLo1s This is an important step of the Lyon-Tur...State for Transport, in office since September 3, is expected to witness the drilling of the last meters of the rec...China researchers produce TBM Cutter Ring higher quality than Germany
Universities in China produce high quality steel alloy hard rock TBM cutter ring. Tsinghua University, Yantai Universi...of high-quality alloy steel ingots with very very low gas content. Use multi-directio...
cover tunnel photo by: Matt Brown from London, England / CC BY
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