Accession Number:
AD0787043
Title:
Torsional Shear Measurements of the Frictional Properties of Westerly Granite
Descriptive Note:
Final rept. 1 Sep 1972-31 Jul 1974
Corporate Author:
UTAH UNIV SALT LAKE CITY DEPT OF MECHANICAL ENGINEERING
Personal Author(s):
Report Date:
1974-05-31
Pagination or Media Count:
49.0
Abstract:
Laboratory tests were conducted to measure the frictional properties of Westerly granite with ground surfaces. Torsional shear tests were conducted under confining pressure and axial stress. A strong dependency of the coefficient of friction on the state of stress was established, in addition to the usual dependency on normal stress. A three decade increase in the rate of shearing deformation showed no increase in coefficient of friction.
Descriptors:
Subject Categories:
- Geology, Geochemistry and Mineralogy