Development of Applicability of Distribution Factor for Single Cell Box Girder Bridges by Modifying Bakht and Mufti Method

Authors

  • Sreevar Ramesh  M. Tech, Department of Applied Mechanics, Visvesvaraya National Institute of Technology Nagpur, India
  • R K Ingle  Professor, Department of Applied Mechanics, Visvesvaraya National Institute of Technology Nagpur, India

DOI:

https://doi.org//10.32628/IJSRSET229216

Keywords:

Single Cell Box Girder, Simply Supported, Distribution Factor

Abstract

Live load distribution factors for simply supported single cell box girder by manual method has been studied. The distribution factor allows the designer to consider the transverse effect of wheel loads in determining the shear and moments of each beam for live load. The increased need of transporting very heavy loads by road haulage has given rise to the need for an easily applied and accurate method of calculating the division of loads between the main girders of highway bridge decks. The bridge is loaded with IRC 70 R and Class A loading so as to obtain maximum bending moment. Bakht and Mufti is close representation of semi-continuum idealization to obtain distribution factors for slab on girder bridges where shear deformation or more correctly cell distortion is neglected. An attempt is made to obtain distribution factor for single cell box girders by modifying the formula of Bakht and Mufti method with Cusens and Pama formula to consider distortional effects. Results are compared with spine beam method using Midas Civil Software which shows good agreement between both the methods.

References

  1. Bakht, B., and A. Mufti. (2015). Bridge, Analysis, Design, Structural Heath Monitoring and Rehabilitation. Singapore: Springer.
  2. Bakht, B., and L. G. Jaeger. (1985). Bridge Analysis Simplified. New York: McGraw-Hill Book
  3. Cusens, A. R., and R.P. Pama. (1975). Bridge Deck Analysis. New York: Wiley.
  4. IRC (Indian Road Congress). 2017. Standard Specifications and Code of Practice for Concrete Road Bridges-Loads and Stresses. IRC 6, New Delhi, India: IRC.
  5. Jaeger, L. G., and B. Bakht. (1989). Bridge Analysis by Microcomputer. Singapore: McGraw Hill.

International Journal of Scientific Research in Science, Engineering and Technology

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Published

2022-04-30

Issue

Volume 9, Issue 2, March-April-2022

Section

Research Articles

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
Sreevar Ramesh, R K Ingle, " Development of Applicability of Distribution Factor for Single Cell Box Girder Bridges by Modifying Bakht and Mufti Method, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 9, Issue 2, pp.143-148, March-April-2022. Available at doi : https://doi.org/10.32628/IJSRSET229216