Research Article

Investigation on Crack Coalescence Behaviors for Granite Containing Two Flaws Induced by Cyclic Freeze-Thaw and Uniaxial Deformation in Beizhan Iron Mining, Xinjing, China

Table 1

Summarization of the basic physical and mechanical parameters of granite after F-T treatment.

Number of F-T cyclesSample
ID
Flaw inclination angle (°)
(mm × mm)
Mass
(g)
Density
(g/cm3)
Peak strength (MPa)P-wave velocity

0 F-TG0-20-120546.12.74255.474456
G0-20-220545.62.74156.214598
G0-50-150546.62.71278.164473
G0-50-250545.42.74375.654435
G0-70-170550.32.75586.084456
G0-70-270545.12.81184.874402

20 F-TG20-20-120540.62.81042.274210
G20-20-220540.32.76644.454205
G20-50-150542.82.82752.844289
G20-50-250540.62.79251.254242
G20-70-170543.82.83764.324198
G20-70-270543.52.77567.094202

50 F-TG50-20-120536.42.72744.344032
G50-20-220538.12.80246.874112
G50-50-150534.82.77846.604065
G50-50-250534.22.80947.244165
G50-70-170533.42.73655.894034
G50-70-270531.62.76858.414087

100 F-TG100-20-120530.72.66028.153854
G100-20-220530.82.66526.253812
G100-50-150527.42.63235.213902
G100-50-250526.22.61137.453785
G100-70-170529.52.66741.353854
G100-70-270530.32.72539.783845