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Study of the Behavior of Beam due to the Variation in Strength of Concrete and Steel Bars

Received: 29 October 2017     Accepted: 1 December 2017     Published: 19 January 2018
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Abstract

RCC structures are primarily based with beams and columns. In general, the compressive strength of concrete and the yield strength of steel are specified in the design process. Compressive strength of concrete depends on a number of factors and generally shows some degree of variation from the desired strength. On the other hand, reinforcing bars with higher yield strength than that recommended in the Bangladesh National Building Code is available in the market and being used in construction. So, in practical cases, after casting the compressive strength as well as the tensile strength are not generally achieved as desired. Therefore, increase in yield strength of steel and decrease in compressive strength of concrete may have adverse effects on the flexural behavior of beams. This study includes the behavior of reinforced concrete beam due to this variation in strengths. This study shows that how certain beam behaves due to the variation of strength. Besides, reduction in ductility is also observed due to strength variation in the properties of the major constituent materials. A complete theoretical analysis along with some experimental investigation is presented in this paper.

Published in Urban and Regional Planning (Volume 3, Issue 1)
DOI 10.11648/j.urp.20180301.12
Page(s) 6-10
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Ductility, High-Strength Steel, Bangladesh National Building Code (BNBC), Beam Behavior

References
[1] ACI Committee 318. (2005). Building Code Requirements for Structural Concrete (ACI 318-05) and Commentary, American Concrete Institute, Farmington Hills, MI.
[2] ASTM A615/A615M-09. (2009). Standard Specifications for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement, ASTM International, West Conshohocken, PA.
[3] Bangladesh National Building Code. (1993). Housing and Building Research Institute. Dhaka, Bangladesh.
[4] Islam, M. (2010). "Thermo Mechanically Treated Advanced Steels for Structural Applications." Proceedings of 2010 MARTEC International Conference of Merine Technology in Dhaka, December 11th-12th, Bangladesh.
[5] Nilson, S. H., Darwin, D., & Dolan, C. (2004). Design of Concrete Stuctures, Thirteenth edition, McGraw Hill.
[6] Pam, H., Kwan, A., & Islam, M. (2001). “Flexural Strength and Ductility of Reinforced Normal- and High-Strength Concrete Beams.” Proceedings of the Institution of Civil Engineers: Structures and Buildings, 146(4), 381-389.
[7] Sarkar, S., Adwan, O., & Munday, J. (1997). “High Strength Concrete: An Investigation of the Flexural behaviour of High Strength RC Beams.” Structural Engineer, 75(7), 115-121.
[8] S.H. Alsayed & A.M. Alhozaimy (1999). Ductility of concrete beams reinforced with FRP bars and Steel fibers, J. Compos. Mater. 33(19), 1792-1806.
[9] M.A. Aiello, L. Ombres. (2002). Structural performances of concrete beams with hybrid fiber-reinforced polymer steel reinforcements, J. Compos. Constructr. 6, 133-140.
[10] A. Nanni, A. De Luca and H.J. Zadeh (2014). Reinforced concrete with FRP bars mechanics and design, Taylor and Francis Group, USA.
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  • APA Style

    Al Amin, Md. Shamim Al Razib. (2018). Study of the Behavior of Beam due to the Variation in Strength of Concrete and Steel Bars. Urban and Regional Planning, 3(1), 6-10. https://doi.org/10.11648/j.urp.20180301.12

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    ACS Style

    Al Amin; Md. Shamim Al Razib. Study of the Behavior of Beam due to the Variation in Strength of Concrete and Steel Bars. Urban Reg. Plan. 2018, 3(1), 6-10. doi: 10.11648/j.urp.20180301.12

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    AMA Style

    Al Amin, Md. Shamim Al Razib. Study of the Behavior of Beam due to the Variation in Strength of Concrete and Steel Bars. Urban Reg Plan. 2018;3(1):6-10. doi: 10.11648/j.urp.20180301.12

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  • @article{10.11648/j.urp.20180301.12,
      author = {Al Amin and Md. Shamim Al Razib},
      title = {Study of the Behavior of Beam due to the Variation in Strength of Concrete and Steel Bars},
      journal = {Urban and Regional Planning},
      volume = {3},
      number = {1},
      pages = {6-10},
      doi = {10.11648/j.urp.20180301.12},
      url = {https://doi.org/10.11648/j.urp.20180301.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.urp.20180301.12},
      abstract = {RCC structures are primarily based with beams and columns. In general, the compressive strength of concrete and the yield strength of steel are specified in the design process. Compressive strength of concrete depends on a number of factors and generally shows some degree of variation from the desired strength. On the other hand, reinforcing bars with higher yield strength than that recommended in the Bangladesh National Building Code is available in the market and being used in construction. So, in practical cases, after casting the compressive strength as well as the tensile strength are not generally achieved as desired. Therefore, increase in yield strength of steel and decrease in compressive strength of concrete may have adverse effects on the flexural behavior of beams. This study includes the behavior of reinforced concrete beam due to this variation in strengths. This study shows that how certain beam behaves due to the variation of strength. Besides, reduction in ductility is also observed due to strength variation in the properties of the major constituent materials. A complete theoretical analysis along with some experimental investigation is presented in this paper.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Study of the Behavior of Beam due to the Variation in Strength of Concrete and Steel Bars
    AU  - Al Amin
    AU  - Md. Shamim Al Razib
    Y1  - 2018/01/19
    PY  - 2018
    N1  - https://doi.org/10.11648/j.urp.20180301.12
    DO  - 10.11648/j.urp.20180301.12
    T2  - Urban and Regional Planning
    JF  - Urban and Regional Planning
    JO  - Urban and Regional Planning
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    EP  - 10
    PB  - Science Publishing Group
    SN  - 2575-1697
    UR  - https://doi.org/10.11648/j.urp.20180301.12
    AB  - RCC structures are primarily based with beams and columns. In general, the compressive strength of concrete and the yield strength of steel are specified in the design process. Compressive strength of concrete depends on a number of factors and generally shows some degree of variation from the desired strength. On the other hand, reinforcing bars with higher yield strength than that recommended in the Bangladesh National Building Code is available in the market and being used in construction. So, in practical cases, after casting the compressive strength as well as the tensile strength are not generally achieved as desired. Therefore, increase in yield strength of steel and decrease in compressive strength of concrete may have adverse effects on the flexural behavior of beams. This study includes the behavior of reinforced concrete beam due to this variation in strengths. This study shows that how certain beam behaves due to the variation of strength. Besides, reduction in ductility is also observed due to strength variation in the properties of the major constituent materials. A complete theoretical analysis along with some experimental investigation is presented in this paper.
    VL  - 3
    IS  - 1
    ER  - 

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Author Information
  • Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh

  • Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi, Bangladesh

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