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Камнепады, обвалы, осыпи - South African Open Pit Mine 2018

The first ATT-20 attenuator system in Africa, rockfall interception area

Камнепады, обвалы, осыпи - South African Open Pit Mine 2018

The posts of this attenuator rockfall barrier are 3 meters high, the mesh goes down to the ground (50 meters)

Камнепады, обвалы, осыпи - South African Open Pit Mine 2018

Falling rocks will be directed behind the «fence» to the designated runout zone

Камнепады, обвалы, осыпи - South African Open Pit Mine 2018

Rolled out chain link mesh covering the rockface, system width is 20 meters

 

Системы

 

Длина системы

20 m

 

Год установки

2018

Ситуация

The open-pit mine is located in the Republic of South Africa. The life of mine (LOM) is planned to the end of 2021. Two ore bodies will be mined at a combined rate of 5.9 Mtpa, using sub-level cave mining techniques. The resulting ground subsidence will affect operations at the surface.

Therefore, the customer required the installation of ground support and rockfall protection systems to improve the safety of people, of machines and equipment.

Описание

Based on attenuator 1:1 testing in 2017, a system was designed based on calculated impulse. The impulse decided on the chosen type of attenuator. The rotational component defined the mesh type.

Rockfall attenuators are an exciting new protection system, especially for open-pit mines. They are a protection solution combining rockfall drapes and flexible rockfall barriers. The system is a passive protection measure: The barrier intercepts the falling rocks, the drape guides them into the designated runout zone.

  • Post height: 3 meters
  • System width: 20 meters
  • Mesh length: 50 meters

Клиент

Undisclosed Mine

Подрядчик

Marshall Development

Защищаемый объект

Дорога, Kарьер / Шахта

Защита от коррозии

GEOBRUGG SUPERCOATING

Проектировщик

Geobrugg

Другие конструкции

Горнодобывающая промышленность / Туннели

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Kevin H. Coyle
 

Kevin H. Coyle

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Saleh Feidi

Regional Manager California

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Bob Lyne

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Pierce Runnels, Civil Engineer
   

Pierce Runnels

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Tim Shevlin

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