Latest from Tunnels and Tunnelling
Making Headway on Nepal Headrace
The Robbins double-shield TBM is making good progress despite tough geology and challenges in the Himalayas on the headrace tunnel for the Sunkoshi Marin multi-purpose project, in Nepal.
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Driving slurry rock tunnelling in small diameters
A discussion on the latest trends and technologies for small-diameter slurry mechanised tunnelling in rock. This article is based on two papers by Herrenknecht engineers – ‘Rock tunnelling in small diameter: latest trends and technologies’9, and ‘Slurry pipe jacking in hard rock: Pushing boundaries for sustainable infrastructure’
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Advancing with shields in India
Terratec machines are busy in India, including successfully advancing on the metro project in Chennai and on Mithi River water quality improvement project in Mumbai
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The Hampton Roads Bridge-Tunnel (HRBT) Expansion Project marked a major milestone yesterday when the TBM broke through on Virginia’s first bored road tunnel.
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Dredging completed for Fehmarnbelt tunnel trench
Dredging of the 18km-long trench for the Fehmarnbelt tunnel is now complete.
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NAT 2024 early registration open
Early bird registration is open for this year’s North American Tunneling Conference (NAT).
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Contract awarded for Dubai road tunnel
Dubai’s Roads and Transport Authority (RTA) has awarded a contract for construction of the Al Khaleej Street Tunnel Project.
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New tunnel proposed for NZ capital
The New Zealand government is considering building a 4km road tunnel under the country’s capital.
LATEST FEATURES
A tunneller with 100 million website hits? Unlikely, surely, but Arnold Dix is an unlikely tunneller. A tunneller is not supposed to be a successful barrister, a national icon, or be world famous. Dix has, accidentally, become the exception. He is, as well as all that, the current President of the International Tunnelling and Underground Space Association (ITA-AITES); this April he is to chair ITA’s annual Member Nations General Assembly meeting at the World Tunnel Congress (WTC 2024) in Shenzhen, China. Julian Champkin spoke to him
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Embrace challenges as catalysts for change
Hagerbach Test Gallery recently helped to host some of the high-level discussions of the World Systemic Forum, a key theme of which was the value of underground environments, with ITACUS taking part. Antonia Cornaro, Co-Chair of ITACUS, and also Expert Underground Space with Amberg Engineering and lecturer on Planning of Underground Space at ETH Zurich, explains how such strategic discussions help collaboration for sustainable urban development and resilience planning
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Shenzhen - Zhongshan Mega Sea Link
The Shen-Zhong fixed sea link is one of China’s most pivotal and challenging infrastructure undertakings, requiring a innovation in both the design and construction realms – including for the Steel-Concrete-Steel (SCS) composite structure of the long and wide immersed tube tunnel. The project is described by CHEN Weile, SONG Shengyou, LIU Jian, CHEN Yue, and JIN Wenliang of Shen-Zhong Link Management Center
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ITA on immersed & floating tunnels
Two of the many reports from ITA in the last two years have focused on immersed tunnels and floating tunnels, respectively, through the efforts of the expert team in the area, Working Group 11 (WG11)
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Innovation for major segmental tunnels
Bekaert’s Dramix® fibres have recently played significant roles for tunnel projects in two countries with major events coming soon – in France, where the Grand Paris Express subway is supporting the capital hosting the 2024 Summer Olympic Games, and in China, which will shortly host the World Tunnel Congress (WTC) 2024 and among its many large projects to be featured is Qingdao Second Road Tunnel at Jiaozhou Bay. The designs are discussed by Benoit de Rivaz, Global Technical Manager, Bekaert BP Underground Solutions
