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The purpose of research is to build a set of direct shear
testing apparatus.The apparatus can be connected to MTS one-
hundred-ton material testing machine and ELE pressure system to
form a set of rock direct shear testing system.The good testing
results can be obtained by MTS super servo- control and data-
acquisition ability. A series of direct shear tests were
performed to understand the mechanical behavior of intact rock
marble,intact sepentinite, intact sandstone and jointed marble
in the study.The shear strength parameters(c , φ),shear stress
vs. shear displacement, normal displacement vs. shear
displacement,normal stress vs. normal displacement curves were
analyzed.The effect of temperature, anisotropy,jointed
properties were also investigated, and some curve fitting
equation were suggested.
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