Experimental Study on the Mechanical Behavior of Yunnan Limestone in Natural and Saturated States

Figure 3

Testing apparatus. (a) RLW-2000 rigid servo rock mechanical test machine. (b) Specimen for conventional triaxial compression. (c) Microcomputer-controlled electronic universal test machine. (d) Specimen for direct tensile test. 1- axial strain sensor. 2- radial strain sensor. 3- fixture used for direct tensile test.

(a)

(b)

(c)

(d)