Wisconsin_Rockslide_WXOW
Geologic Hazards

Video: Rockslide Damages Wisconsin Home

Wisconsin_Rockslide_WXOW A 50-ton boulder caused severe damage to a La Crosse, Wisconsin home after a rockslide event near the appropriately named Cliffwood Lane.  Residents in some adjacent houses were asked to evacuate as well.  Click through for the news coverage of the rockslide. [Source and Image: WXOW. Hat tip to USGS]

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Weekend CUP

Weekend CUP March 15, 2010

Death toll in NW China landslide rises to 23 – China Daily Italian Team Repairing Collapsed Head-Race Tunnel at Ethiopian Dam – ENR: Engineering News Record OSHA Cites Company Following Trench Fatality – KPVI NEWS […]

Sea to Sky Highway
Project Related

Geotechnical Engineering Challenges of British Columbia’s Sea-to-Sky Highway, gateway to the 2010 Vancouver Olympic Games

Sea to Sky Highway I don’t know about you, but I’ve been enjoying watching the 2010 Olympic Winter games over the past few days. If you have, you know that Whistler is the venue for many of the sports including alpine skiing, luge, skeleton, bobsled, ski jumping, biathlon and cross-country skiing among others. The Whistler area is located about 50-miles or so North of Vancouver. In order to get to Whistler, you need to drive along Highway 99, better known as the Sea-to-Sky Highway.  This highway has a long history of geotechnical problems, including some significant structurally controlled rockslides and landslides.  In the years leading up to these Olympic Games a fair amount of work was done on the highway with some significant geotechnical innovations.

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Frame grabs from a video of a rockslide on US Highway 64 in the Ocoee River gorge in Tennessee on November 10, 2009
Geologic Hazards

Video: Rockslide on U.S. Highway 64 in Tennessee

Amazing video of a rockslide as it happened yesterday along U.S. Highway 64 in the Ocoee River gorge in Tennessee. TDOT crews had almost finished removing rockslide debris from an event earlier in the day when a second slide occurred, blocking the road again. That looks like a pretty planar joint set dipping right into the roadway and everything was wet from the recent rains. Click through for the video.

Frame grabs from a video of a rockslide on US Highway 64 in the Ocoee River gorge in Tennessee on November 10, 2009

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rockslide_north_carolina_i40
Geologic Hazards

Rockslide Closes I-40 in Western North Carolina

rockslide_north_carolina_i40

A massive rockslide closed a busy interstate route last week near the border between Tennessee and North Carolina in Pigeon River Gorge. This area has had landslide problems in the past. In 1997 a rockslide in the same area closed the freeway for approximately 3 months. (Photo from Landslides Under a Microscope Blog, original source not cited)

I have yet to see volume estimates, but The Charlotte Observer quoted a highway patrol officer who was at the scene:

He said the roadway is covered by a gigantic mound of debris, from pebbles up to house-sized boulders. The pile is 40 to 50 feet high, Williamson estimated, and hundreds of feet long.

More info and video after the break. […]