Rock Mech Rock Eng (2017) 50:2235–2242 DOI 10.1007/s00603-017-1243-x TECHN ICAL NO TE Establishing Empirical Relationships for the Effects of Water Content on the Mechanical Behavior of Gosford Sandstone 1 1 1 • • Hossein Masoumi James Horne Wendy Timms Received: 4 August 2016 / Accepted: 23 May 2017 / Published online: 31 May 2017 Springer-Verlag Wien 2017 Keywords Gosford sandstone Uniaxial compressive r Nominal strength such as UCS, E, PLI, TS strength Point-load index Tensile strength Water a, b and Material constants in Hawkins and McConnell content c (1992) model List of symbols UCS Uniaxial compressive strength 1 Introduction E Young’s modulus PLI Point-load index Mechanical properties of intact rocks, such as uniaxial compressive strength (UCS), Young’s modulus (E) and TS Tensile strength x Water content tensile strength (TS), are the key factors in rock engi- neering and are commonly the ﬁrst parameters to be M Mass of rock sample under partially saturated ps condition characterized for any designing process. In many projects, M Mass of dry rock sample point-load index (PLI) is measured to indirectly estimate r Radius of the sample the UCS of the intact rock. The inﬂuence of water on the H
Rock Mechanics and Rock Engineering – Springer Journals
Published: May 31, 2017
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