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Experimental study of shear behavior of planar nonpersistent joint
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  • Journal title : Computers and Concrete
  • Volume 17, Issue 5,  2016, pp.639-653
  • Publisher : Techno-Press
  • DOI : 10.12989/cac.2016.17.5.639
 Title & Authors
Experimental study of shear behavior of planar nonpersistent joint
Haeri, Hadi; Sarfarazi, Vahab; Lazemi, Hossein Ali;
The present article discusses the effect of the ratio of bridge surface to total shear surface, number of bridge areas and normal stress on the failure behavior of the planar non-persistent open joints. Totally, 38 models were prepared using plaster and dimensions of . The bridge area occupied , and out of the shear surface. The number of rock bridges increase in fixed area. Two similar samples were prepared on every variation in the rock bridges and tested for direct shear strength under two high and low normal loads. The results indicated that the failure pattern and the failure mechanism is mostly influenced by the ratio of bridge surface to total shear surface and normal stress so that the tensile failure mode change to shear failure mode by increasing in the value of introduced parameters. Furthermore, the shear strength and shear stiffness are closely related to the ratio of bridge surface to total shear surface, number of bridge areas and normal stress.
bridge area;jointed specimen;crack propagation;indirect shear loading;shear-fracture behavior;
 Cited by
Crack analysis of pre-cracked brittle specimens under biaxial compression, Journal of Mining Science, 2015, 51, 6, 1091  crossref(new windwow)
Ayatollahi, M.R. and Sistaninia, M. (2011), "Mode II fracture study of rocks using Brazilian disk specimens", Int. J. Rock Mech. Min. Sci., 48(5), 819-826. crossref(new window)

ASTM (1971), Standard method of test for splitting tensile resistance of cylindrical concrete specimens, ASTM designation C496-71.

ASTM (1986), Test method for unconfined compressive resistance of intact rock core specimens, ASTM designation D2938-86.

Barragan, B., Gettu, R., Agullo, L. and Zerbino, R. (2006), "Shear failure of steel fiber-reinforced concrete based on push-off tests", ACI Mater. J., 103(4), 251-257.

Bobet, A. and Einstein, H.H. (1998), "Fracture coalescence in rock-type materials under uniaxial and biaxial compression", Int. J. Rock Mech. Min. Sci., 35(7), 863-888. crossref(new window)

Eberhardt, E., Kaiser, P.K. and Stead, D. (2002), "Numerical analysis of progressive failure in natural rock slopes", ISRM International Symposium-EUROCK 2002, International Society for Rock Mechanics.

Dai, F., Xia, K., Zheng, H. and Wang, Y.X. (2011), "Determination of dynamic rock mode-I fracture parameters using cracked chevron notched semi-circular bend specimen", Eng. Fract. Mech., 78(15), 2633-2644. crossref(new window)

Einstein, H.H., Veneziano, D., Baecher, G.B. and O'reilly, K.J. (1983), "The effect of discontinuity persistence on rock slope stability", Proceedings of the International journal of rock mechanics and mining sciences & geomechanics abstracts., 20(5), 227-236, Pergamon.

Gehle, C. and Kutter, H.K. (2003), "Breakage and shear behaviour of intermittent rock joints", Int. J. Rock Mech. Min. Sci., 40(5), 687-700. crossref(new window)

Ghazvinian, A., Nikudel, M.R. and Sarfarazi, V. (2007), "Effect of rock bridge continuity and area on shear behavior of joints", 11th congress of the International Society for Rock Mechanics, Lisbon, Portugal.

Ghazvinian, A., Nikudel, M.R. and Sarfarazi, V. (2007), "Effect of rock bridge continuity and area on shear behavior of joints", Proceedings of the Second Half Century of Rock Mechanics, Three Volume Set: 11th Congress of the International Society for Rock Mechanics, 1, 247, CRC Press.

Haeri, H. (2015), "Influence of the inclined edge notches on the shear-fracture behavior in edge-notched beam specimens", Comput. Concrete, 16(4), 605-623. crossref(new window)

Janeiro, R.P. and Einstein, H.H. (2010), "Experimental study of the cracking behavior of specimens containing inclusions (under uniaxial compression)", Int. J. Fract., 164(1), 83-102. crossref(new window)

Jiang, Z., Wan, S., Zhong, Z., Li, M. and Shen, K. (2014), "Determination of mode-I fracture toughness and non-uniformity for GFRP double cantilever beam specimens with an adhesive layer", Eng. Fract. Mech., 128, 139-156. crossref(new window)

Lancaster, I.M., Khalid, H.A. and Kougioumtzoglou, I.A. (2013), "Extended FEM modelling of crack propagation using the semi-circular bending test", Constr. Build. Mater., 48, 270-277. crossref(new window)

Li, Y.P., Chen L.Z. and Wang Y.H. (2005), "Experimental research on pre-Cracked marble", Int. J. Solid. Struct., 42, 2505-2016. crossref(new window)

Mughieda, O.S. and Khawaldeh, I. (2004), "Scale effect on engineering properties of open non-persistent rock joints under uniaxial loading", Bolgesel Kaya Mekanigi Sempozyumu/ROCKMEC′2004-VIIth Regional Rock Mechanics Symposium, Sivas, Turkiye.

Mughieda, O.S. and Khawaldeh, I. (2006), "Coalescence of offset rock joints under biaxial loading", Geotech. Geol. Eng., 24(4), 985-999. crossref(new window)

Noël, M. and Soudki, K. (2014), "Estimation of the crack width and deformation of FRP-reinforced concrete flexural members with and without transverse shear reinforcement", Eng. Struct., 59, 393-398. crossref(new window)

Ozcebe, G., Ersoy, U. and Tankut, T. (1999), "Minimum flexural reinforcement for T-beams made of higher strength concrete", Can. J. Civil Eng., 26(5), 525-534. crossref(new window)

Sagong, M. and Bobet, A. (2002), "Coalescence of multiple flaws in a rock-model material in uniaxial compression", Int. J. Rock Mech. Min. Sci., 39(2), 229-241. crossref(new window)

Shen, B. (1995), "The mechanism of fracture coalescence in compression-experimental study and numerical simulation", Eng. Fract. Mech., 51(1), 73-85. crossref(new window)

Shen, B., Stephansson, O., Einstein, H.H. and Ghahreman, B. (1995), "Coalescence of fractures under shear stresses in experiments", J. Geophys. Res.-all series, 100, 5975-5975. crossref(new window)

Takeuchi, K. (1991), "Mixed-mode fracture initiation in granular brittle materials", M.S. Thesis, Massachusetts Institute of Technology, Cambridge.

Wang, Q.Z, Feng, F., Ni, M. and Gou, X.P. (2011), "Measurement of mode I and mode II rock dynamic fracture toughness with cracked straight through flattened Brazilian disc impacted by split Hopkinson pressure bar", Eng. Fract. Mech., 78(12), 2455-2469. crossref(new window)

Wang, Q.Z., Gou, X.P., Fan, H. (2012), "The minimum dimensionless stress intensity factor and its upper bound for CCNBD fracture toughness specimen analyzed with straight through crack assumption", Eng. Fract. Mech., 82, 1-8. crossref(new window)

Wang, T., Dai, J.G., Zheng, J.J. (2015), "Multi-angle truss model for predicting the shear deformation of RC beams with low span-effective depth ratios", Eng. Struct., 91, 85-95. crossref(new window)

Wong, R.H.C., Chau, K.T. Tang, C.A. and Lin, P. (2001), "Analysis of crack coalescence in rock-like materials containing three flaws-Part I: experimental approach", Int. J. Rock Mech. Min. Sci., 38(7), 909-924. crossref(new window)

Yoshihara, H. (2013), "Initiation and propagation fracture toughness of solid wood under the mixed Mode I/II condition examined by mixed-mode bending test", Eng. Fract. Mech., 104, 1-15. crossref(new window)