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Paper Information

Title: 

A MATHEMATICAL EQUATION FOR DETERMINATION OF PIT SLOPE OF SONGUN COPPER MINE

Type: PAPER
Author(s): MONJEZI M.*,GOSHTASBI K.,REZAKHAH M.
 
 *
 
Name of Seminar: SYMPOSIUM OF EARTH SCIENCES
Type of Seminar:  SYMPOSIUM
Sponsor:  ORGANIZATION OF GEOLOGICAL OF IRAN
Date:  2006Volume 24
 
 
Abstract: 

Determination of slope angle is one of the important parameters in designing open pits. Selection of high slope angle may reduce safety and cause slope failure. On the other hand, with low slope angle, stripping ratio is increased considerably. Therefore, preventing failure and excessive stripping, a compromise is necessary to choose an optimum angle for pit slope. There are several methods for analyzing stability of open pit slopes such as limit equilibrium methods, physical modeling and numerical simulation. In this paper, a relative critical section of Songun copper mine in which geo-mechanical characteristics of constituents rocks are low, has been selected and analyzed with the help of numerical method (software FLAC). In the static loading conditions, for different slope angles, safety factor was determined; thereafter by regression analysis, a relationship between these parameters was developed. This equation can be used for prediction of stable angle of slope for this section and the other similar sections.

 
Keyword(s): 
 
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