1 Overview
In the tunnel widenings for the Lungern bypass/CH, sprayed concrete was applied directly onto the flexible polymer waterproofing-membrane (PWM) in the arch area instead of inner lining...
1 Motivation and Background
The recorded geological situation represents the basis for planning geotechnical construction measures alongside the structural-specific demands on utilisation,...
1 Introduction
Segments represent the bearing structure for the finished product in mechanised tunnelling. This fact results in high demands both on manufacturing as well as on transporting and...
At 44.6 km long below mountainous hard rock, hot springs, and fault zones, Malaysia’s Pahang Selangor Raw Water Tunnel is no easy excavation. A tireless workforce, hailing from Indonesia, Thailand,...
1 Introduction
During the last decades, operational safety of underground structures has received increased public attention mainly after the disastrous fires in alpine road tunnels, fires in the...
For the Crossrail project a new rail link (approx. 30 km) is to be driven beneath central London involving 2 single-track tunnel bores roughly 7 m in diameter using a total of 8 tunnel boring...
By revamping the Schaffhausen-South hub the A4 motorway is to be linked up with the local highway network. The 1,138 m long Galgenbuck Tunnel between Engi and Bahntal with 2 lanes featuring 2-way...
In recent decades the major portion of the investments poured into underground construction has been earmarked for infrastructure. However, what is known as upgrading existing structures is also...
Sandvik Mining has launched 2 new underground trucks in the market. The new TH550 and TH540 are the first in the underground mining world to offer energy-efficient and low-emission EPA Tier 4i/EURO...
The International SOLIT Conference (Safety of Life in Tunnels) is due to be held in Berlin on June 27 + 28, 2012: its topic – “Integration of stationary Fire Suppression Systems in Tunnels”. At...