According to the site Geotechpedia, this tunnel failure occurred on November 29, 2016 around 9am (local time?). The tunnel is located in Yusufeli district of Erzurum in northeastern Turkey. It is somehow related to the Yusufeli dam. There were no reports of fatalities. [Source: YouTube via Geotechpedia. Image: YouTube]
This is a pretty remarkable 4-year time-lapse video of the construction of a new spillway as part of the Calaveras Dam replacement project. [Source: SFWater Power and Sewer YouTube Channel via Hat tip to my […]
I know this video made the rounds by email and on Geoengineer a while back, but I haven’t posted it here. It shows a novel way of installing piles in softer soil. Those guys have […]
The Seattle Tunnel Partners JV announced last month that tunneling on the Alaska Way Viaduct Replacement project will resume a month later than originally planned. The Bertha TBM will resume mining on December 23 after […]
Copyright © 2007-2020 by Randy Post