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.
Roads and Bridges magazine has a new poll out regarding rockfall mitigation funding for the Colorado DOT. According to the magazine, limited funds are forcing the agency to prioritize and be creative when tending to […]
In Walenstadt, Switzerland, on October 16, 2017, a rockfall barrier from the Swiss company Geobrugg, stops the impact energy of 10,000 kilojoules – a new world record! The barrier system was tested using a 25-ton […]