... horizontal stress stress measurement gradient Upstream Oil & Gas Stephansson Waste Management Co stress field Forsmark stress model swedish nuclear fuel frictional strength principal stress Magnitude reservoir geomechanics pore pressure SKB repository depth situ stress field stress...

... This study presents a newly suggested test method called "Punch through Shear Test" which was originally proposed by Backers and Stephansson. The purpose of this study is to check the validity of the suggested test method by performing Mode II fracture toughness test for Daejeon granite...