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Paper Information

Journal:   GEOSCIENCES   SPRING 2007 , Volume 16 , Number 63; Page(s) 86 To 91.
 
Paper: 

INVESTIGATION AND MODELING OF JOINTS DIPPING EFFECTS ON DRILLING RATE IN OPEN PIT MINES

 
 
Author(s):  HOSSEINI SEYED HADI*, AGHA BABAEI HAMID, POURRAHIMIAN Y.
 
* FACULTY OF MINING ENGINEERING & GEOPHYSICS, SHAHROOD UNIVERSITY OF TECHNOLOGY, SHAHROOD, IRAN
 
Abstract: 

Drilling is one of the most expensive stages of open pit mining and has more complexity. In drilling process many Parameters influence simultaneously, where studying each parameter requires recognition of the effects of the characteristics of the rock mass and its material.

In this paper, the main aim was directed to investigate the joints dipping among the structural parameters of the rock mass. In the course of study, geometrical condition of penetration and transition of drill bit from joint surface were analyzed and different conditions of dips considered mathematically. This was followed by physical modeling of each of the geometrical conditions and penetration rate of cross bit measured by using rotary drilling system. Based on the numerical results obtained from experiments, mathematical equation between angles of joint dip with respect to drilling prolongation and penetration rates was presented. Furthermore, in conformity with the presented equation, by decreasing relative angle of joints dip, penetration rate of drill bit in jointed rock masses decreases linearly.

 
Keyword(s): DRILLING, ROCK MASS, JOINTS, DIPPING, PENETRATION RATE OF DRILL BIT
 
 
References: 
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Citations: 
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APA: Copy

HOSSEINI, S., & AGHA BABAEI, H., & POURRAHIMIAN, Y. (2007). INVESTIGATION AND MODELING OF JOINTS DIPPING EFFECTS ON DRILLING RATE IN OPEN PIT MINES. GEOSCIENCES, 16(63), 86-91. https://www.sid.ir/en/journal/ViewPaper.aspx?id=102509



Vancouver: Copy

HOSSEINI SEYED HADI, AGHA BABAEI HAMID, POURRAHIMIAN Y.. INVESTIGATION AND MODELING OF JOINTS DIPPING EFFECTS ON DRILLING RATE IN OPEN PIT MINES. GEOSCIENCES. 2007 [cited 2021September26];16(63):86-91. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=102509



IEEE: Copy

HOSSEINI, S., AGHA BABAEI, H., POURRAHIMIAN, Y., 2007. INVESTIGATION AND MODELING OF JOINTS DIPPING EFFECTS ON DRILLING RATE IN OPEN PIT MINES. GEOSCIENCES, [online] 16(63), pp.86-91. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=102509.



 
 
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