Volume 3, Issue 2 (June 1980)

    Sclerograph Measurements on Rock Materials


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    Theoretical analysis of the sclerograph test for rock materials shows that a considerable and unknown amount of the sclerograph piston's impact energy is converted to internal vibration in the piston after impact. Nevertheless experimental results show that the piston recoil factor κ correlates remarkably well with other, more easily understandable rock strength data, such as the tensile strength index #x03C3;PLT obtained from the point load test; σPLT ⋍ σPLT* exp (4κ) where σPLT* ⋍ 1.0 MPa.

    Author Information:

    Wijk, G
    Manager, Atlas Copco MCT Central Laboratory, Stockholm,

    Stock #: GTJ10903J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10903J

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    Title Sclerograph Measurements on Rock Materials
    Symposium , 0000-00-00
    Committee D18