Study of Tensile Strength of Marble Stone (Indian White) and Black Granite Stone (Indian Black) With Ring Test by Varying Inner to Outer Diameter of A Disc
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 11
Abstract
Rocks are weaker in tension compared to compression so tensile strength plays a very important role in rock engineering. Basically, rock structure designer avoid the tensile stresses in construction of tunnel & underground mines etc. Therefore it is very important to calculate the tensile strength of rock material before execution the project then it proofs economical. We can measure the tensile strength by various methods i.e by Direct method or Indirect methods. To measure the direct tensile strength is very difficult due to problem in gripping the rock specimens & applying a load parallel to the longitudinal axis. In other side we can measure tensile strength indirectly by various indirect methods. The indirect methods for measuring tensile strength are: Brazilian test, ring test. The drawback of brazilian test is that along the tensile stresses, shearing stresses also developed in the sample so for exclude this drawback we use ring test. This ring test gives the tensile stresses value with excluding the shear stresses. So in this report the tensile strength is calculated by ring test indirect method.
Authors and Affiliations
Sanjeet . , Dr. Rajesh Goyal
Keywords
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