THE EFFECT OF THE BOND STRENGTH BETWEEN LAYERS ON COMPRESSIVE MECHANICAL PROPERTIES OF THE COMPOSITE ROCK
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Abstract:
In this paper, on the basis of the compressive tests of composte rock, the different kinds of mechanical properties of composite rock under different bond states are discussed. Authers found that all mechanical properties of composite rock relate to the bond strength between layers and are dilferent when the layers' bond strength is changed. With increasing the bond strength between layers of the composite rock, the limiting strength, elastic modulus, and breaking energy increase, and this phenomenon is to be stability gradually when they reach some volue, with increasing the layers' bond strength, the poson ratio reduces.
