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Paper Information

Title: 

AN INVESTIGATION ON THE APPLICABILITY OF CRITERIA USED TO INVESTIGATE ROCK MASS STRENGTH

Type: PAPER
Author(s): GHAZVINIAN A.H.,BAGHERI M.,GHARACHEH M.
 
 
 
Name of Seminar: PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENCE
Type of Seminar:  CONFERENCE
Sponsor:  IRANIAN SOCIETY OF MINING ENGINEERING
Date:  2005Volume 1
 
 
Abstract: 

Rock mass strength is one of the most important parameters which used in underground structures design. Concerning complexity of rock mass, evaluation of its strength is very difficult. Some researchers such as Ramamurthy, Sitharam, Barton … tried to evaluate rock mass strength. Rock mass strength estimation is possible by using Joint Factor or Rock Mass classifications. In this paper the discussion will be continued on the applicability of equations proposed by Sitharam, Ramamurthy, Barton, Hoek and Brown and Kalamars to evaluate rock mass strength. The results are evident that Sitharam equation is over estimating to compare with others, whereas the Barton equation is under estimating. Ramamurthy and Kalamars equations are estimating almost the same strength for the rock masses. Finally, Using the Ramamurthy or Kalamars equation is suggested to evaluate the rock mass strength.

 
Keyword(s): ROCK MASS STRENGTH, JOINT FACTOR, ROCK MASS CLASSIFICATION
 
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