The nanogranular nature of shale

Brittan J, Warner M, Pratt G (1995) Short note: anisotropic parameters of layered media in terms of composite elastic properties. Geophysics 60(4):1243–1248

Buckle H (1873) In: Westbrook JW, Conrad H (eds) The science of hardness testing and its applications. Am Soc Metals, Metal Park OH, pp 453–491

Cheng Y-T, Cheng C-M (2004) Scaling, dimensional analysis and indentation measurements. Mater Sci Eng R 44:91–149

Constantinides G, Ulm F-J (2006) The nanogranular nature of C-S-H. J Mech Phys Solids (in review)

Coussy O (2004) Poromechanics. Wiley, Chichester

Delafargue A, Ulm F-J (2004) Explicit approximations of the indentation modulus of elastically orthotropic solids for conical indenters. Int J Solids Struct 41:7351–7360

Donev A, Cisse I, Sachs D, Variano EA, Stillinger FH, Connely R, Torquato S, Chaikin PM (2004) Improving the density of jammed disordered packings using ellipsoids. Science 303:990–993

Dormieux L, Molinari A, Kondo D (2002) Micromechanical approach to the behaviour of poroelastic materials. J Mech Phys Solids 50:220–223

Elliot HA (1949) Axial symmetric stress distributions in aelotropic hexagonal crystals: The problem of the plane and related problems. Proc Camb Phil Soc 45:621–630

Galin LA (1961) Contact problems in theory of elasticity. In: Sneddon IN (ed) Translated by H. Moss. North Carolina State College

Gmira A, Zabat M, Pellenq RJ-M, Van Damme H (2004) Microscopic physical basis of the poromechanical behavior of cement-based materials. Mater Struct 37(265):3–14

Hanson MT (1992) The elastic field for conical indentation including sliding friction for transverse isotropy. J Appl Mech 59:S123–S130

Hellmich Ch, Ulm F-J, Dormieux L (2004) Can the diverse elastic properties of trabecular and cortical bone be attributed to only a few tissue-independent phase properties and their interactions?—Arguments from a multiscale approach. Biomech Model Mechanobiol 2:219–238

Hornby B (1998) Experimental laboratory determination of the dynamic elastic properties of wet, drained shales. J Geophys Res 103(B12):29945–29964

Hornby B, Schwartz L, Hudson J (1994) Anisotropic effective medium modeling of the elastic properties of shales. Geophysics 59-10:1570–1583

Jaeger HM, Nagel SR (1992) Physics of granular state. Science 255(5051):1523–1531

Jones LEA, Wang HF (1994) Ultrasonic velocities in Cretaceous shales from the Williston basin. Geophysics 46:288–297

Marion D, Nur A, Yin H, Han D (1992) Compressional velocity and porosity in sand–clay mixtures. Geophysics 57(4):554–563

Mavko G, Mukerji T, Dvorkin J (1998) The rock physics handbook. Cambridge University Press, Cambridge

Oliver WC, Pharr GM (1992) An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments. J Mater Res 7(6):1564–1583

Oliver WC, Pharr GM (2004) Measurement of hardness and elastic modulus by instrumented indentation: advances in understanding and refinements to methodology. J Mater Res 19:3–20

Prasad M, Kopycinska M, Rabe U, Arnold W (2002) Measurement of Young’s modulus of clay minerals using atomic force acoustic microscopy. Geophys Res Lett 29(8):1172, 13-1–13-4

Pratson LF, Stroujkova A, Herrick D, Boadu F, Malin P (2003) Predicting seismic velocity and other rock properties from clay content only. Geophysics 68(6):1847–1856

Sayers C (1999) Stress-dependent seismic anisotropy of shales. Geophysics 64(1):93–98

Scott TE, Abousleiman Y (2005) Acoustic measurements of the anisotropy of dynamic elastic and poromechanics moduli under three stress/strain path. J Eng Mech ASCE 131(9):937–946

Sneddon IN (1965) The relation between load and penetration in the axi-symmetric Boussinesq problem for a punch of arbitrary profile. Int J Eng Sci 3:47–57

Thomsen L (1986) Weak elastic anisotropy. Geophysics 52(10):1954–1966

Thomsen L (2001) Seismic anisotropy. Geophysics 66:40–41

Tsvankin I (1996) P-wave signatures and notation for transversely isotropic media: an overview. Geophysics 61(2):467–483

Ulm F-J, Constantinides G, Delafargue A, Abousleiman Y, Ewy R, Duranti L, McCarty DK (2005) Material invariant poromechanics properties of shales. In: Abousleiman Y, Cheng AH-D, Ulm F-J (eds) Poromechanics III. Biot centennial (1905–2005), A.A. Balkema Publishers, London, pp 637–644

Ulm F-J, Delafargue A, Constantinides G (2005) Experimental microporomechanics. In: Dormieux L, Ulm F-J (eds) Applied micromechanics of porous materials. CISM Courses and lectures No. 480, Springer, Wien New York

Vanorio T, Prasad M, Nur A (2003) Elastic properties of dry clay mineral aggregates, suspensions and sandstones. Geophys J Int 155:319–326

Vlassak JJ, Ciavarella M, Barber JR, Wang X (2003) The indentation modulus of elastically anisotropic materials for indenters of arbitrary shape. J Mech Phys Solids 51:1701–1721

Wang Z (2002) Seismic anisotropy in sedimentary rocks. Part 1: A single plug laboratory method; Part 2: Laboratory data. Geophysics 67(5):1415–1422 (part I); 1423–1440 (part II)

Wang Z, Wang H, Cates ME (2001) Effective elastic properties of solid clays. Geophysics 66(2):428–440

Willis JR (1966) Herztian contact of anisotropic bodies. J Mech Phys Solids 14:163–176