Size effect in RC deep beams: Experimental investigation and STM verification

Engineering Structures

Volumn 29, Issue 12, 2007, Pages 3241-3254

  Zhang, Ning ^a   Tan, Kang Hai ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Deep beam; Reinforced concrete; Size effect; Strut and tie; Ultimate strength

Indexed keywords

BOUNDARY CONDITIONS; COMPRESSIVE STRENGTH; COMPUTATIONAL GEOMETRY; REINFORCED CONCRETE; SHEAR STRENGTH; STRUTS;

BEAM STRENGTH; REINFORCED CONCRETE DEEP BEAMS; ULTIMATE SHEAR STRENGTHS;

CONCRETE BEAMS AND GIRDERS;

BOUNDARY CONDITIONS; COMPRESSIVE STRENGTH; COMPUTATIONAL GEOMETRY; CONCRETE BEAMS AND GIRDERS; REINFORCED CONCRETE; SHEAR STRENGTH; STRUTS;

BOUNDARY CONDITION; CONCRETE STRUCTURE; FLEXURE; GEOMETRY; LOADING; REINFORCED CONCRETE; REINFORCEMENT; SHEAR STRENGTH; STANDARD (REGULATION);

EID: 36148981870     PISSN: 01410296     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.engstruct.2007.10.005     Document Type: Article

References (29)

1. Kani G.N.J. How safe are our large reinforced concrete beams. ACI J 64 3 (1967) 128-141
2. Walraven JC. Influence of member depth on the shear strength of lightweight concrete beams without shear reinforcement. Stevin Laboratory report no. 5-78-4. Delft University of Technology; 1978
3. Reinhardt HW. Similitude of brittle fracture of structural concrete. In: Advanced mechanics of reinforced concrete, IABSE colloquium, 34, Delft. 1981. p. 175-84
4. Bazant Z.P., and Kim J.-K. Size effect in shear failure of longitudinally reinforced beams. ACI J 81 5 (1984) 456-468
5. Bazant Z.P., and Kazemi M.T. Size effect on diagonal shear failure of beams without stirrups. ACI Struct J 88 3 (1991) 268-276
6. Rios R.D., and Riera J.D. Size effects in the analysis of reinforced concrete structures. Eng Struct 26 8 (2004) 1115-1125
7. ACI Committee 318. Building code requirements for structural concrete (ACI 318-05) and commentary (ACI 318R-05). Farmington Hills (MI): American Concrete Institute; 2005
8. Walraven J., and Lehwalter N. Size effects in short beams loaded in shear. ACI Struct J 91 5 (1994) 585-593
9. Kotsovos M.D., and Pavlovic M.N. Size effects in beams with small shear span-to-depth ratios. Comput & Structures 82 2-3 (2004) 143-156
10. Collins M.P., and Kuchma D. How safe are our large, lightly reinforced concrete beams, slabs, and footings. ACI Struct J 96 4 (1999) 482-490
11. Tan K.H., and Lu H.Y. Shear behaviour of large reinforced concrete deep beams and code comparisons. ACI Struct J 96 5 (1999) 836-845
12. Yang K.-H., Chung H.-S., Lee E.-T., and Eun H.-C. Shear characteristics of high-strength concrete deep beams without shear reinforcements. Eng Struct 25 10 (2003) 1343-1352
13. Lertsrisakulrat T., Watanabe K., Matsuo M., and Niwa J. Experimental study on parameters in localization of concrete subjected to compression. J Mater Conc Struct Pavements, JSCE 50 669 (2001) 309-321
14. Soltani M., An X., and Maekawa K. Localized nonlinearity and size-dependent mechanics of in-plane RC element in shear. Eng Struct 27 6 (2005) 891-908
15. Tan K.H., and Cheng G.H. Size effect on shear strength of deep beams: Investigating with strut-and-tie model. J Struct Eng 132 5 (2006) 673-685
16. Tan KH, Cheng GH, Zhang N. Experiment to mitigate size effect on deep beams. Mag Concrete Res (in press)
17. Bazant Z.P., and Hsu-Huei S. Size effect in diagonal shear failure: Influence of aggregate size and stirrups. ACI Mater J 84 4 (1987) 259-272
18. Kong F.K., Garcia R.C., Paine J.M., Wong H.H.A., Tang C.W.J., and Chemrouk M. Strength and stability of slender concrete deep beams. The Struct Engineer 64 15 (1986) 49-56
19. Kotsovos M.D., and Pavlovic M.N. A possible explanation for size effects in structural concrete. Arch Civ Engg 40 2 (1994) 243-261
20. Tan K.H., Tong K., and Tang C.Y. Direct strut-and-tie model for prestressed deep beams. J Struct Eng 127 9 (2001) 1076-1084
21. Tan K.H., Tang C.Y., and Tong K. A direct method for deep beams with web reinforcement. Mag Concrete Res 55 1 (2003) 53-63
22. Zhang N, Tan KH. Direct strut-and-tie model for single and continuous deep beams. Eng Struct 2007 (in press)
23. Kotsovos M.D., and Pavlovic M.N. Size effects in structural concrete: A numerical experiment. Comput Structures 64 1-4 (1997) 285-295
24. Tan K.H., Cheng G.H., and Cheong H.K. Size effect in shear strength of large beams-behaviour and finite element modelling. Mag Concrete Res 57 8 (2005) 497-509
25. Maekawa K., Pimanmas A., and Okamura H. Nonlinear mechanics of reinforced concrete (2003), Spon Press p. 711
26. Tsuchiya S., Mishima T., and Maekawa K. Shear failure and numerical performance evaluation for RC beam members made with high-strength materials. Concrete Library Internat 40 (2002) 227-252
27. An X., Maekawa K., and Okamura H. Numerical simulation of size effect in shear strength of RC beams. J Mater Conc Struct Pavements 35 564 (1997) 297-316
28. Zhang N, Tan KH. Single-span deep beams subjected to unsymmetrical loads: STM and FEM modelling. J Struct Eng; 2006 (manuscript under review)
29. Canadian Standards Association. Design of concrete structures: Structures design. Rexdale (ON): Canadian Standards Association; 1994