摘要
对白岗岩、花岗岩、大理岩试样在扫描电镜下进行单轴压缩试验,即时观察分析岩石在受力过程中,其微裂纹的萌生—扩展—断裂破坏全过程。得到各试样的应力-应变曲线与相对应的微观结构变化的照片实录,很直观地揭示了岩石变形破裂的实质,比较满意地解释岩石变形破坏的机理。
Alaskite, granite and marble samples are observed in uniaxial compression test with SEM. The whole process of germination, evolution and fracture of micro-fractures is analyzed. Simultaneously, the stress-strain curves and photoes of microstructure alteration are obtained. The principle of rock deformation and failure has been shown and explained satisfactorily.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
1998年第1期1-8,共8页
Chinese Journal of Rock Mechanics and Engineering
基金
国家自然科学基金(19472076)
香港研究资助局(RGC)资助项目
关键词
单轴压缩试验
微裂纹
岩石断裂破坏
结构变形
uniaxial compression test, real-time observation, germination-spread-failure of microfracture
