Evaluation of water saturation effect on mechanical properties and hydraulic fracturing behavior of granite

David, 2015, Mechanical instability induced by water weakening in laboratory fluid injection tests, J Geophys Res Solid Earth, 120, 4171, 10.1002/2015JB011894 Henao, 2017, The effect of saturating fluids on tensile and compressive strength of quarzitic sandstones Zhang, 2017, Influence of water saturation on the mechanical behaviour of low-permeability reservoir rocks, Energies, 10, 236, 10.3390/en10020236 Song, 2000, Hydraulic fracturing experiments in highly porous Berea sandstone, 1185 Moore, 1995, The role of microcracking in shear-fracture propagation in granite, J Struct Geol, 17, 95, 10.1016/0191-8141(94)E0018-T Xia, 2008, Effects of microstructures on dynamic compression of Barre granite, Int J Rock Mech Min Sci, 45, 879, 10.1016/j.ijrmms.2007.09.013 Lim, 2012, In-situ stress and microcracking in granite cores with depth, Eng Geol, 147–148, 1, 10.1016/j.enggeo.2012.07.006 Song, 2016, Granite microcracks: structure and connectivity at different depths, J Asian Earth Sci, 124, 156, 10.1016/j.jseaes.2016.04.023 Nasseri, 2007, Coupled evolutions of fracture toughness and elastic wave velocities at high crack density in thermally treated Westerly granite, Int J Rock Mech Min Sci, 44, 601, 10.1016/j.ijrmms.2006.09.008 Chen, 2008, Observation of microcracks patterns in Westerly granite specimens stressed immediately before failure by uniaxial compressive loading, Chin J Rock Mech Eng, 27, 2440 Nasseri, 2008, Fracture toughness anisotropy in granitic rocks, Int J Rock Mech Min Sci, 45, 167, 10.1016/j.ijrmms.2007.04.005 Mohamad, 2016, Effects of moisture content on the strength of tropically weathered granite from Malaysia, Bull Eng Geol Environ, 75, 369, 10.1007/s10064-015-0749-2 Jung, 2001, Effects of water saturation and strain rate on the tensile strength of rocks under dynamic load, Dob Gakkai Ronbunshu, 673, 53, 10.2208/jscej.2001.673_53 Hashiba, 2015, Effect of water on the deformation and failure of rock in uniaxial tension, Rock Mech Rock Eng, 48, 1751, 10.1007/s00603-014-0674-x Lajtai, 1987, The effect of water on the time-dependent deformation and fracture of a granite, Int J Rock Mech Min Sci Geomech Abstr, 24, 247, 10.1016/0148-9062(87)90179-3 Vásárhelyi, 2006, Influence of water content on the strength of rock, Eng Geol, 84, 70, 10.1016/j.enggeo.2005.11.011 Kim, 2016, Effect of water saturation and loading rate on the mechanical properties of Red and Buff Sandstones, Int J Rock Mech Min Sci, 88, 23, 10.1016/j.ijrmms.2016.07.005 Zhou, 2016, Influence of water content on mechanical properties of rock in both saturation and drying processes, Rock Mech Rock Eng, 49, 3009, 10.1007/s00603-016-0987-z Zhou, 2016, Strength characteristics of dry and saturated rock at different strain rates, Trans Nonferrous Met Soc China, 26, 1919, 10.1016/S1003-6326(16)64314-5 Roy, 2017, Correlating the mechanical and physical properties with mode-I fracture toughness of rocks, Rock Mech Rock Eng, 50, 1941, 10.1007/s00603-017-1196-0 Detournay, 1992, Influence of pressurization rate on the magnitude of the breakdown pressure Schmitt, 1993, Infiltration effects in the tensile rupture of thin walled cylinders of glass and granite: implications for the hydraulic fracturing breakdown equation, Int J Rock Mech Min Sci Geomech Abstr, 30, 289, 10.1016/0148-9062(93)92731-5 Xie, 2018, Simulating hydraulic fracturing in low permeable rock with consideration of fluid infiltration into rock matrix Zhuang, 2019, Effect of water infiltration, injection rate and anisotropy on hydraulic fracturing behavior of granite, Rock Mech Rock Eng, 52, 579, 10.1007/s00603-018-1431-3 Zhuang, 2019, Cyclic hydraulic fracturing of Pocheon granite cores and its impact on breakdown pressure, acoustic emission amplitudes and injectivity, Int J Rock Mech Min Sci, 122, 10.1016/j.ijrmms.2019.104065 Zoback, 1975, The effect of microcrack dilatancy on the permeability of Westerly granite, J Geophys Res, 80, 752, 10.1029/JB080i005p00752 Zhuang, 2016, Laboratory study on cyclic hydraulic fracturing of Pocheon granite Zhuang, 2017, Laboratory evaluation of induced seismicity reduction and permeability enhancement effects of cyclic hydraulic fracturing Zhuang, 2018, Cyclic hydraulic fracturing of cubic granite samples under triaxial stress state with acoustic emission, injectivity and fracture measurements Jung, 2016, Influence of the cleavage anisotropy of Pocheon granite on hydraulic fracturing behaviour, Tunnel and Underground Space, 26, 327, 10.7474/TUS.2016.26.4.327 Park, 2004, Characteristics of the rock cleavage in Jurassic granite, Pocheon, J Petrol Soc Korea, 13, 133 Zhuang, 2016, Cleavage dependent indirect tensile strength of Pocheon granite based on experiments and DEM simulation, Tunnel and Underground Space, 26, 316, 10.7474/TUS.2016.26.4.316 Diaz, 2016, Effect of cleavage anisotropy on hydraulic fracturing behavior of Pocheon granite, 135 Diaz, 2016, Tensile strength anisotropy of Pocheon granite and roughness evaluation of its failure planes 1988, Suggested methods for determining the fracture toughness of rock, Int J Rock Mech Min Sci Geomech Abstr, 25, 71, 10.1016/0148-9062(88)91871-2 Thill, 1973, Velocity anisotropy in dry and saturated rock spheres and its relation to rock fabric, Int J Rock Mech Min Sci Geomech Abstr, 10, 535, 10.1016/0148-9062(73)90004-1 Masuda, 1993, Laboratory study of effects of in situ stress state and strength on fluid-induced seismicity, Int J Rock Mech Min Sci Geomech Abstr, 30, 1, 10.1016/0148-9062(93)90171-9 Gregory, 1976, Fluid saturation effects on dynamic elastic properties of sedimentary rocks, Geophysics, 41, 895, 10.1190/1.1440671 Kahraman, 2007, The correlations between the saturated and dry P-wave velocity of rocks, Ultrasonics, 46, 341, 10.1016/j.ultras.2007.05.003 Nur, 1969, The effect of saturation on velocity in low porosity rocks, Earth Planet Sci Lett, 7, 183, 10.1016/0012-821X(69)90035-1 Cai, 2004, Generalized crack initiation and crack damage stress thresholds of brittle rock masses near underground excavations, Int J Rock Mech Min Sci Geomech Abstr, 41, 833, 10.1016/j.ijrmms.2004.02.001 Karakul, 2013, Empirical correlations for predicting strength properties of rocks from P-wave velocity under different degrees of saturation, Rock Mech Rock Eng, 46, 981, 10.1007/s00603-012-0353-8 Martin, 1966 Chang, 2007, Effect of fluid pressure on rock compressive failure in a nearly impermeable crystalline rock: Implication on mechanism of borehole breakouts, Eng Geol, 89, 230, 10.1016/j.enggeo.2006.10.006 Zhang, 2002, An empirical relation between mode I fracture toughness and the tensile strength of rock, Int J Rock Mech Min Sci, 39, 401, 10.1016/S1365-1609(02)00032-1 Guo, 1993, Interpretation of hydraulic fracturing breakdown pressure, Int J Rock Mech Min Sci Geomech Abstr, 30, 617, 10.1016/0148-9062(93)91221-4 Patel, 2017, Laboratory studies of hydraulic fracturing by cyclic injection, Int J Rock Mech Min Sci, 95, 8, 10.1016/j.ijrmms.2017.03.008 JCMS-IIIB5706, 2003, 23 Tomac, 2014 Zang, 2019, How to reduce fluid-injection-induced seismicity, Rock Mech Rock Eng, 52, 475, 10.1007/s00603-018-1467-4 Stephansson, 2019, Laboratory pulse test of hydraulic fracturing on granitic sample cores from Äspö HRL, Sweden, Rock Mech Rock Eng, 52, 629, 10.1007/s00603-018-1421-5