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Published in:

Volume 4 Issue 11
November-2017
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1711099


Registration ID:
170922

Page Number

576-584

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Title

Influence of Skew on Design Live Load Shear and Design Live Support Reaction

Authors

Abstract

Research has shown that skew bridges designed as straight bridges are unsafe with respect to shear force and support reaction while they are conservative with respect to bending moment. At obtuse corners of skew bridge shear force and support reaction increases while at acute corner, they decrease. This deters the practicing engineers from designing skew bridges. For small skew angle (< 100 ), skew bridge is analyzed as right bridge, ignoring skew angle. But for large skew angle, skew bridges are avoided and straight bridges are provided with long approach roads. This solution is not always feasible due to soaring land acquisition cost in metros and congested cities. This makes the skew bridge imperative in such conditions. Inspite of lot of research done in this area, this not hold much relevance in Indian perspective. Design live load standards and type of bridges built in India are different than that available in research publication. Moreover the work done in this filed does not provide any direct help to practicing engineers in calculating the design forces. In this paper an effort has been made to investigate the effect of skew directly on design live load shear force and design live load reaction in simply supported 2 lane reinforced concrete bridges. Skew angle and span of bridges considered in the study vary from 00 to 400 and 12 m to 21 m respectively. These spans and skew angles are mostly encountered in practical situations. Hence the study covers almost whole range of RC T beam bridges for Indian scenario. Charts are presented to directly obtain the design live load shear and design live load reaction to help engineers in designing skew bridges without struggling with software analysis.

Key Words

Design shear, design reaction, skew bridge, grillage analogy, RC bridge, IRC loading.

Cite This Article

"Influence of Skew on Design Live Load Shear and Design Live Support Reaction", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.4, Issue 11, page no.576-584, November-2017, Available :http://www.jetir.org/papers/JETIR1711099.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Influence of Skew on Design Live Load Shear and Design Live Support Reaction", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.4, Issue 11, page no. pp576-584, November-2017, Available at : http://www.jetir.org/papers/JETIR1711099.pdf

Publication Details

Published Paper ID: JETIR1711099
Registration ID: 170922
Published In: Volume 4 | Issue 11 | Year November-2017
DOI (Digital Object Identifier):
Page No: 576-584
Country: Jodhpur, RAJASTHAN, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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