Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 30075
Influence of Flexural Reinforcement on the Shear Strength of RC Beams without Stirrups

Authors: Guray Arslan, Riza S. O. Keskin

Abstract:

Numerical investigations were conducted to study the influence of flexural reinforcement ratio on the diagonal cracking strength and ultimate shear strength of reinforced concrete (RC) beams without stirrups. Three-dimensional nonlinear finite element analyses (FEAs) of the beams with flexural reinforcement ratios ranging from 0.58% to 2.20% subjected to a mid-span concentrated load were carried out. It is observed that the load-deflection and loadstrain curves obtained from the numerical analyses agree with those obtained from the experiments. It is concluded that flexural reinforcement ratio has a significant effect on the shear strength and deflection capacity of RC beams without stirrups. The predictions of diagonal cracking strength and ultimate shear strength of beams obtained by using the equations defined by a number of codes and researchers are compared with each other and with the experimental values.

Keywords: Finite element, flexural reinforcement, reinforced concrete beam, shear strength.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1107824

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 2043

References:


[1] G. Arslan, “Shear strength of reinforced concrete slender beams”, Proceedings of the ICE – Structures and Buildings, vol. 163, no. 3, pp. 195-205, June 2010.
[2] G. Arslan, “Cracking shear strength of RC slender beams without stirrups”, Journal of Civil Engineering and Management, vol. 14, no. 3, pp. 177-182, 2008.
[3] M. P. Collins, and D. A. Kuchma, “How safe are our large, lightly reinforced concrete beams, slabs, and footings?”, ACI Structural Journal, vol. 96, no. 4, pp. 482-490, July 1999.
[4] P. D. Zararis, and G. C. Papadakis, “Diagonal shear failure and size effect in RC beams without web reinforcement”, ASCE Journal of Structural Engineering, vol. 127, no. 7, pp. 733-742, July 2001.
[5] TS-500, Requirements for Design and Construction of Reinforced Concrete Structures, Turkish Standards Institute, Ankara, Turkey, 2000 (in Turkish).
[6] ACI Committee 318, Building Code Requirements for Structural Concrete (ACI 318-M11) and Commentary, American Concrete Institute, Farmington Hills, MI, 2011.
[7] NZS 3101, New Zealand Standard Code of Practice for the Design of Concrete Structures, Standard Association of New Zealand , Wellington, New Zealand, 1995.
[8] Eurocode 2, Design of Concrete Structures, Part 1-1: General rules and rules for buildings, CEN, Brussels, 2004.
[9] Comité Euro-International du Béton, CEB-FIP Model Code 2010, Lausaane, Switzerland, 2010.
[10] British Standards Institution, BS8110 Structural Use of Concrete, Part 1, Code of Practice for Design and Construction, London, 1997.
[11] T. C. Zsutty, “Shear strength prediction for separate categories of simple beam tests”, ACI Journal Proceedings, vol. 68, no. 2, pp. 138–143, Feb. 1971.
[12] H. Okamura, and T. Higai, “Proposed design equation for shear strength of RC beams without web reinforcement”, Proceedings of the Japan Society of Civil Engineering, vol. 1980, no. 300, pp. 131–141, 1980.
[13] Z. P. Bazant, and H. H. Sun, “Size effect in diagonal shear failure: influence of aggregate size and stirrups”, ACI Materials Journal, vol. 84, no. 4, pp. 259-272, July 1987.
[14] J. K. Kim, and Y. D., Park, “Prediction of shear strength of reinforced concrete beams without web reinforcement”, ACI Materials Journal, vol. 93, no. 3, pp. 213-222, May 1996.
[15] K. S., Rebeiz, “Shear strength prediction for concrete member”, ASCE Journal of Structural Engineering, vol. 125, no. 3, pp. 301–308, Mar. 1999.
[16] M. Khuntia, and B. Stojadinovic, “Shear strength of reinforced concrete beams without transverse reinforcement”, ACI Structural Journal, vol. 98, no. 5, pp. 648–656, Sep. 2001.
[17] A. Cladera, and A. R. Marí, “Shear design procedure for reinforced normal and high-strength concrete beams using artificial neural networks. Part I: beams without stirrups”, Engineering Structures, vol. 26, no. 7, pp. 917–926, June 2004.
[18] J. K. Kim, and Y. D., Park, “Shear strength of reinforced high strength concrete beams without stirrups”, Magazine of Concrete Research, vol. 46, no. 166, pp. 7–16, Mar. 1994.
[19] R. V. Rodrigues, A. Muttoni, and M. F. Ruiz, “Influence of shear on rotation capacity of reinforced concrete members without shear reinforcement”, ACI Structural Journal, vol. 107, no. 5, pp. 516-525, Sep. 2010.
[20] J. Y. Lee, and U. Y. Kim, “Effect of longitudinal tensile reinforcement ratio and shear span-depth ratio on minimum shear reinforcement in beams”, ACI Structural Journal, vol. 105, no. 2, pp. 134-144, Mar. 2008.
[21] CSA Committee A23.3, Design of Concrete Structures CSA-A23.3-04, Canadian Standards Association, Ontario, Canada, 2004.
[22] Z. Omeman, M. Nehdi, and H. El-Chabib, “Experimental study on shear behavior of carbon-fiber-reinforced polymer reinforced concrete short beams without web reinforcement”, Canadian Journal of Civil Engineering, vol. 35, no. 1, pp. 1–10, Jan. 2008.
[23] A. S. Lubell, E.C. Bentz, and M. P. Collins, “Influence of longitudinal reinforcement on one-way shear in slabs and wide beams”, ASCE Journal of Structural Engineering, vol. 135, no. 1, pp. 78-87, Jan. 2009.
[24] E. Garip, Shear strength of reinforced concrete beams without stirrups, MSc Thesis, Yildiz Technical University, Istanbul, Turkey, 2011 (in Turkish).
[25] SIA Code 262 for Concrete Structures, Swiss Society of Engineers and Architects, Zürich, Switzerland, 2003.
[26] C. Bedard, and M. D. Kotsovos, “Fracture process of concrete for NLFEA methods”, ASCE Journal of Structural Engineering, vol. 112, no. 3, pp. 573–587, Mar. 1986.
[27] Z. P. Bazant, and B. Oh, “Crack band theory for fracture of concrete”, Materials and Structures, vol. 16, no. 3, pp. 155–177, May 1983.
[28] A. Muttoni, and M. Fernandez Ruiz, “Shear strength of members without transverse reinforcement as a function of the critical shear crack width”, ACI Structural Journal, vol. 105, no.2, pp. 163-172, Mar. 2008.