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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/106569

    Title: Direct measurement of the contact normal stress distribution between two smooth joint surfaces
    Authors: Yang, Z.Y.;Chiu, W.C.
    Keywords: Contact Stress;Joint Surface;Normal Stress;Pressure Measurement Film
    Date: 2014-06-30
    Issue Date: 2016-04-27 11:17:18 (UTC+8)
    Abstract: The shear strength of rock joints is highly depended upon the failure mode of joint asperity. At lower normal stress slide-up of one asperity up over another mode, however at high normal stress the joint asperities are sheared off at the base. This research uses pressure measurement film to directly measure the contact normal stress between smooth joint surfaces. It demonstrates that the density of color impression is capable of capturing the normal stress distribution behavior. The contact normal stress distribution during shearing is changed. After shearing, the contact stress becomes large. This increase in contact normal stress is to fracture the joint wall material.
    Relation: Applied Mechanics and Materials 638-640, pp.427-432
    DOI: 10.4028/www.scientific.net/AMM.638-640.427
    Appears in Collections:[Graduate Institute & Department of Civil Engineering] Proceeding

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