Advances in Materials Science and Engineering / 2015 / Article / Tab 3

Research Article

Experimental Researches on Long-Term Strength of Granite Gneiss

Table 3

Results comparison of the three methods to confirm the long-term strength.

Specimen numberIsochronous stress-strain curve methodTangent method of steady creep rateIntersection method of steady creep rate
/MPa/MPa/%/MPa/%

A1157.8156.8~158.6−0.6~0.5158.40.4
A2152.4151.6~153.4−0.5~0.7153.20.5
A3147.6146.4~148.2−0.8~0.4148.40.5