- 作者: 石作?
- 作者服務機構: 國立成功大學
- 中文摘要: Six hurdred and thirty seven cylindrical rock specimens were tested in thelaboratory for determining the physical properties of a group mine rocks from C.C. M. and K. T. F. M. Collieries, Taiwan. The testing results which were analysedstatistically by IBM-1130 computer in the way of various D. D. H. number and vari-ous work type are presented in this paper. Uniaxial loading gave the values of uniaxial compressive strength of both dryand wet specimens, modulus of elasticity and Poisson's ratio of these two coal minerocks. The modulus of rigidy was calculated from the modules of elasticity andPoisson's governed by the theory of elasticity. The effect of 24 hours wetting the specimen in water on uniaxial compressivestrength was studied. Stress-strain characteristics of different rock type of C. C. M.and K. T. F. M. for different loading conditions were also examined uuder uniaxialload. Flexural strength and shearing strength of the above mine rocks were obtainedfrom bending tests and direct double shear tests respectively, as well as the splittingstrength was given by applying Brazilian tests.
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