Grouting work done earlier in the week was a possible cause of a bulge in the lining of a train tunnel under the River Thames. Two trains hit the bulge before the line was closed, but neither train derailed. [Source: New Civil Engineer]
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Robbins EPBs Undercut Downtown Zhengzhou
The City of Zhengzhou is set to become a major rail crossroads for China, located at the intersections of China’s major North-South and East-West lines. Currently tunneling with tunnel boring machine (TBM) is taking place […]
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ASCE 2010 OCEA Award Finalist Projects Full of Geotechnical Engineering Challenges
I was reading the ASCE News, January edition which announced the 5 finalists for the 2010 Outstanding Civil Engineering Achievement (OCEA) Award and I was struck by the significant geotechnical engineering and geoengineering components of these projects. Read on as I highlight some of things hidden beneath the ground of these remarkable projects. […]
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Tunnel boring to begin on light-rail link in Seattle
This week, Seattle’s Sound Transit will start drilling a $2 billion, three-mile light-rail tunnel to connect the University of Washington, Capitol Hill and Westlake Center. The first TBM will be christened today near UW’s Husky […]