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Sumner Road in New Zealand reopens after repair of earthquake damage
Geologic Hazards

Earthquake Ravaged Sumner Road Reopens in New Zealand

May 6, 2019 rockman Geologic Hazards, News, Project Related Comments Off on Earthquake Ravaged Sumner Road Reopens in New Zealand

Sumner Road in Christchurch, New Zealand is a critical infrastructure link between Christchurch, the Port of Lyttleton, and the communities of Sumner and Lyttelton.  It was severely damaged in the 2010-2011 earthquakes that struck the […]

A plume of dust at Yosemite National park after a rock slide Wednesday, Aug. 26, 2009. Photo by National Park Service, Erik Skindrud.
Geologic Hazards

Rockfall in Yosemite causes hotel evacuation of all 300 guests

August 29, 2009 rockman Geologic Hazards Comments Off on Rockfall in Yosemite causes hotel evacuation of all 300 guests

A landslide in Yosemite National Park on Wednesday damaged three cars in the parking lot of the Ahwahnee Hotel and left rocks, one the size of two SUV’s in the parking lot. Park officials evacuated […]

Example of simple post base support used for high energy rockfall catchment fences consisting of a small concrete pad, two soil anchors and a micropile tube. Source: AGHP
Geologic Hazards

Rockfall Catchment Fence Foundations – Rigid or Flexible?

November 28, 2018 rockman Geologic Hazards, News Comments Off on Rockfall Catchment Fence Foundations – Rigid or Flexible?

An important part of a flexible net rockfall catchment fence system is the foundation.  Catchment systems have been growing in capacity, able to stop larger and higher energy rockfall events.  The trend for foundations has […]