论文信息 - A note on brittle crack growth in compression

A note on brittle crack growth in compression

The growth of cracks in photoelastic material and glass under compression is being studied as part of an investigation of brittle fracture of rock. In compression the most severely stressed crack is inclined at about 30° to the axis of compression. Such cracks, when either isolated or placed in an array, grow along a curved path which becomes parallel with the direction of compression. When this direction is attained, growth stops, unless applied compression is increased considerably. Cracks in certain en echelon arrays start to grow at much smaller applied stress than that required to enlarge an isolated crack.

W. F. Brace | W. Brace | E. G. Bombolakis

[1] G. K. Gilbert. Studies of Basin Range structure , 1928 .

[2] C. Inglis. Stresses in a plate due to the presence of cracks and sharp corners , 1913 .

[3] E. Hoek,et al. EXPERIMENTAL STUDY OF ROCK-STRESS PROBLEMS IN DEEP-LEVEL MINING , 1963 .

[4] E. G. Bombolakis,et al. Photoelastic stress analysis of crack propagation within a compressive stress field , 1963 .

[5] E. Orowan,et al. Fracture and strength of solids , 1949 .

[6] A. A. Griffith. The Phenomena of Rupture and Flow in Solids , 1921 .

[7] H. Odé. Chapter 11: Faulting as a Velocity Discontinuity in Plastic Deformation , 1960 .

[8] W. Brace,et al. Some direct measurements of the surface energy of quartz and orthoclase , 1962 .