1-7 of 7
Keywords: abrasiveness
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-050
... Abstract Rock abrasiveness immediately affects the wear of cutting indenters of the drilling bits. Rock abrasiveness is ability of rock to wear down the cutting tool during the interaction between the indenter and the rock in the mechanical rock cutting process. There are several methods...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-051
... bit selection classification dark brownish grey flint grey flint abrasivity index strength variation Upstream Oil & Gas abrasiveness correlation rai flint material wear potential chalk dark flint Mineral Content VHNR flint hardness brownish grey flint drill wear...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-208
... in the Guadarrama tunnel, between Madrid and Segovia, and second in theVigo-Das Maceiras tunnel, in Galicia, have been compared. As a conclusion, a modification of the NTNU method to predict cutter wear in very strong and abrasive rock to take into account the compressive strength of the rock, is recommended. 1...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-053
... rates is abrasivity. Abrasivity is a property of geomaterials that quantifies their ability to cause wear on the tools interacting with them. There are several index tests (e.g. CAI) that are in use to quantify abrasivity. However, most of them are inappropriate when the tunnel operation passes through...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-034
... characterization, mechanical tests (punching, uniaxial compression…) to draw mechanical properties, and abrasiveness test (FPMs method). A database is created to emphasize the potential driving parameters in understanding the wear behavior and cutting efficiency of drill bits. We present the working method...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-057
... Abstract Cerchar Abrasivity Index test (CAI) is widely used for determining the abrasiveness of rocks. This test provides an index value that can be used as a gauge for the abrasiveness of rocks in order to estimation of bit life and wear in various mining and tunneling applications...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-095
... ABSTRACT: The abrasivity of rocks is often described by the Cerchar abrasivity index CAI. The state of stress of the rock sample with the standard CAI test in the laboratory is different from the state of stress of rock to be excavated at the face of any underground opening. This paper...

Product(s) added to cart

Close Modal