Search results
Results From The WOW.Com Content Network
A rockfall protection embankment is an earthwork built in elevation with respect to the ground to intercept falling rock fragments before elements at risk such as roads and buildings are reached. This term is widely used in the rockfall community but the terms bunds and walls are sometimes used as alternatives.
The rockfall still takes place but an attempt is made to control the outcome. In contrast, active mitigation is carried out in the initiation zone and prevents the rockfall event from ever occurring. Some examples of these measures are rock bolting , slope retention systems, shotcrete , etc.
Talus cones produced by mass moving, north shore of Isfjord, Svalbard, Norway Mass wasting at Palo Duro Canyon, West Texas (2002) A rockfall in Grand Canyon National Park. Mass wasting, also known as mass movement, [1] is a general term for the movement of rock or soil down slopes under the force of gravity.
In March 2006, Governor of California, Arnold Schwarzenegger, allocated $667,000 for a scientific study to determine control measures to be taken to prevent future landslides. [ citation needed ] In 2008, family members of those killed and or who suffered loss of property in the 2005 La Conchita Landslide filed a lawsuit against the La Conchita ...
Scree is formed by rockfall, [3] [6] which distinguishes it from colluvium. Colluvium is rock fragments or soil deposited by rainwash, sheetwash, or slow downhill creep, usually at the base of gentle slopes or hillsides. [7] However, the terms scree, talus, [2] [3] and sometimes colluvium [8] tend to be used interchangeably.
A family in San Carlos, California, is facing an impossible decision: spend more than $40,000 to remove a nearly 500-year-old heritage white oak tree in their backyard or find new homeowners ...
Deposits of slow periglacial solifluction compromise poorly stratified diamicton and diamicton where stratification is wholly lacking. When stratification can be seen it is often distinguished by a buried organic soil. [3]
Rock shed on Nagano Prefectural Road, Japan Rock shed on Niigata Prefectural Road, Japan. A rock shed is a civil engineering structure used in mountainous areas where rock slides and land slides create highway closure problems.