Experimental study on the strain contribution of horizontal and vertical web reinforced bar of HSSCC deep beams

Mohammadhassani, M. and Jumaat, Mohd Zamin and Jameel, M. and Hakim, S.J.S. and Abdollahi, N. (2012) Experimental study on the strain contribution of horizontal and vertical web reinforced bar of HSSCC deep beams. In: 5th International Conference on Emerging Technologies in Non-Destructive Testing, NDT, 2012, Ioannina.

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Deep beams are structural elements loaded as beams in which a significant amount of the load is transferred to the supports by a compression strut trajectory joining the loads and the reactions. A comparative study is performed to predict the strain contribution of horizontal and vertical web bar located at compression strut trajectory from support points to load points. For investigation in this purpose, three high strength self compacted concrete (HSSCC) rectangular-section deep beams with the length to depth ratio less than three were designed based on American Concrete Institute (ACI) code with variation of tensile bar percentage and casted and loaded in laboratory. The longitudinal, web steel strains and concrete strains were measured for every incremental load. Before of first crack occurrences, the vertical bar strain is more than horizontal bar strain. When first crack happened, strain in vertical and horizontal web bar was same and by load increasing the strain in horizontal increased more than vertical. The strain became more than two times in horizontal bras comparison to strain in vertical bar when tensile bar yielded. At ultimate load the strain contribution of horizontal bar was more than four times in comparison by vertical bars.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 88391 Export Date: 6 January 2013 Source: Scopus Language of Original Document: English Correspondence Address: Mohammadhassani, M.; Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia References: Aguilar, G., Matamoros, A.B., Parra-Montesinos, G.J., Ramirez, J.A., Wight, J.K., Experimental evaluation of design procedures for shear strength of deep reinforced concrete beams (2002) Structural Journal, 99 (4), pp. 539-548; Ahmad Shuaib, H., Khaloo, A.R., Poveda, A., Shear capacity of reinforced high strength concrete beams (1986) Journal of the American Concrete Institute, 83 (2), pp. 297-305; Ahmad Shuaib, H., Lue, D.M., Flexure-shear interaction of reinforced high-strength concrete beams (1987) ACI Structural Journal, 84 (4), pp. 330-341; Ashour, A.F., Yang, K.H., Application of plasticity theory to reinforced concrete deep beams: A review (2008) Magazine of Concrete Research, 60 (9), pp. 657-664. , doi:10.1680/macr.2008.00038; (1997) Structural Use of Concrete, , British Standards Institution (BSI), Milton Keynes: BSI; BS8110: Part 1; Chemrouk, M., Kong, F.K., Diagonal cracking and ultimate shear strength of slender high strength concrete deep beams (2004) Advances in Structural Engineering, 7 (3), pp. 217-228; Chemrouk, M., Kong, F.K., High strength concrete continuous deep beams-with web reinforcement and shear-span variations (2004) Advances in Structural Engineering, 7 (3), pp. 229-243; Elzanaty, A.H., Nilson, A.H., Slate, F.O., Shear capacity of reinforced high strength concrete (1986) ACI Journal, 83 (2), pp. 290-296; Kong, F.K., Robins, P.J., Cole, D.F., Web reinforcement effects on deep beams (1970) Am. Concr. Last. J., 67, p. 1010; Mohammadhassani, M., (2011) Experimental and Analytical Study on HSC Deep Beam with Particular Reference to the Stress/strain Distribution and to the Evolution of the Neutral Axis, , PhD Thesis., University of Malaya, Kuala Lumpur, Malaysia; Mohammadhassani, M., Jumaat, M.Z., Ashour, A., Jameel, M., (2011) Failure Modes and Serviceability of High Strength Self Compacting Concrete Deep Beams, , 10.1016/j.engfailanal.2011.08.003; Mphond, A.G., Frantz, G.C., Shear tests on high and low strength concrete beams without stirrup (1984) ACI Journal, 81 (4), pp. 350-357; De Paiva, R.H.A., Siess, C.P., Strength and behaviour of deep beams in shear (1965) J. Struct. Div. Am. Soc. Civ. Engrs., 91, p. 19; Smith, K.N., Vantsiotis, A.S., Shear strength of deep beams (1982) Am. Concr. Inst., 79, p. 201; Tan, K.-H., Kong, F.-K., Teng, S., Weng, L.-W., Effect of web reinforcement on high-strength concrete deep beams (1997) ACI Structural Journal, 94 (5), pp. 572-582; Yang, K.-H., Chung, H.-S., Ashour, A.F., Influence of section depth on the structural behaviour of reinforced concrete continuous deep beams (2007) Magazine of Concrete Research, 59 (8), pp. 575-586. , http://www.atypon-link.com/TELF/doi/pdf/10.1680/macr.2007.59.8.575, DOI 10.1680/macr.2007.59.8.575
Uncontrolled Keywords: American Concrete Institute, Bar strain, Comparative studies, Compression struts, Concrete strain, Deep beam, Experimental studies, High strength, Length-to-depth ratios, Load points, Steel strain, Structural elements, Tensile bar, Ultimate loads, Columns (structural), Nondestructive examination, Struts, Cracks.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 22 Apr 2013 01:37
Last Modified: 05 Feb 2020 04:23
URI: http://eprints.um.edu.my/id/eprint/5876

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