codelco el teniente copper mine, cl
Transcription
codelco el teniente copper mine, cl
Un appui au sol CODELCO EL TENIENTE COPPER MINE, CL CODELCO EL TENIENTE COPPER MINE Un appui au sol Project Place Country/Region Codelco El Teniente Copper Mine Sewell, Rancagua Chili Year of installation 2016 Customer Subcontractor Codelco - the National Copper Corporation of Chile / El Teniente mine Salfa Montajes (Salfacorp S.A.) / Züblin International GmbH Chile SpA Situation El Teniente in Chile is the world largest underground copper mine. Due to specific rock conditions, the risk of rock bursts is very high. Since security standards at Codelco are amongst the highest worldwide, margins for failure from rock bursts are very low. In the past, several rock bursts have affected personnel and operations. Description To protect people and equipment at El Teniente, a combination of shotcrete with MINAX® 65/4 and/or MINAX® 80/4 was used. This solution was successfully tested at Geobrugg's dynamic test center in Walenstadt, Switzerland. Results were above satisfactory. In addtion to the MINAX® mesh, installation was completely mechanized with ® ® Geobrugg's handler called, MESHA . MESHA increases safety and the efficiency of the ground. Objet protégé Systems Carrière / Mines MINAX® 80/4, MESHA®, MINAX® 65/4 Corrosion protection GEOBRUGG SUPERCOATING ® Zone stabilisée 300000 m² Longueur de clou Schéma de clou a 4m 1m/1m Un appui au sol | Codelco El Teniente Copper Mine, CL 2/5 MINAX® mesh during Installation works with Geobrugg's MESHA® handler - no miners are exposed to work under unsupported hanging walls Atlas Copco Boltec with MESHA® handler by Geobrugg Tunnel walls covered with MINAX® 65/4 - thanks to knotted mesh ends, overlapping is minimized Un appui au sol | Codelco El Teniente Copper Mine, CL 3/5 Detail of the ground support with MINAX® mesh, which is nicely following tunnel contour and can be pre-tensioned to minimize deformations during eventual rockbursts View of the ventilation tunnel at the New Mine Level being supported with MINAX® 65/4 and MINAX® 80/4 Un appui au sol | Codelco El Teniente Copper Mine, CL 4/5 Pour toute question, contactez votre spécialiste Geobrugg le plus proche : Eberhard Gröner Project Manager North-West Germany, Regional Manager UK Phone +41 71 466 81 57 Mobile +41 79 421 17 01 [email protected] Geobrugg AG Aachstrasse 11 | 8590 Romanshorn | Suisse [email protected] | www.geobrugg.com A company of the BRUGG Group | Certified to ISO 9001 Un appui au sol | Codelco El Teniente Copper Mine, CL 5/5