ABSTRACT

Influence of freezing and thawing on rock slope stability is investigated by carrying out the laboratory test. The rocks used for the examination are granite and tuff. The difference between the intact and degraded specimens is investigated for mechanical parameters and distribution of strain by uniaxial compression test. The strain distribution is observed through the image processing As the results of the test, it is found that the change in mechanical behaviors of granite is quite different from that of tuff. Granite becomes brittle with degradation while tuff becomes hard rock. It is inferred that the volumetric strain distribution may be good measure for failure because the area of expansive strain becomes larger closing to the failure.