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- W83026806 abstract "SYNOPSISThe Chuquicamata mine, located at elevation 2700 m. in the Andean desert in northern Chile, is a porphyry copper deposit mined by the open-pit method. Annual copper production, at 560,000 tonnes, requires movement of an average 450,000 tonnes/day of ore and waste. Current dimensions of the open pit are approximately 3800 m. long by 1800 m. wide and 560 m. deep, with slope angles variable between 30° and 45° depending on the mining plan in effect.An ample program of rock mechanics and geomechanics has been implemented for mine design optimization from 1968 to date, which has required development of a series of mathematical and physical tools, among which are noteworthy the following: twh and three dimensional finite elements algoritms, ROD-based geostatistics, in-situ tectonic stresses recording, microseismic and strain-gauge instrumentation (MPBX, TDR), blast vibration control, etc.These developments have made possible the providing of adequate responses to a series of slope stability problems, such as the sudden slide of approximately 14 × 106 tonnes of rock in 1968 and the controlled slide involving 80×106 tonnes of rock during the 1980 - 1986 period.This paper presents a brief description of the work methods used in design of mine slopes, with an emphasis on stability control for critical slope sectors on the mine perimeter." @default.
- W83026806 created "2016-06-24" @default.
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- W83026806 date "1988-01-01" @default.
- W83026806 modified "2023-09-27" @default.
- W83026806 title "GEOMECHANICS FOR SLOPE DESIGN AT THE CHUQUICAMATA MINE, CHILE" @default.
- W83026806 doi "https://doi.org/10.1016/b978-0-08-035894-9.50057-3" @default.
- W83026806 hasPublicationYear "1988" @default.
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