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Foundation Depth for Bridge Piers

Foundation Depth for Bridge Piers The safety of bridge piers built in rivers having the bed is one of the prime aspects in the study of scouring process around bridge piers. The stability of bridge piers depends on the depth of foundation provided below maximum scour level. The stability analysis of bridge piers is carried based on moment of forces acting on the caisson pier when the pier slides and tilts slightly in downstream from its position. The experiments are conducted for three pier shapes on two sediment beds and for different flow conditions. The curves indicating the stability limits are compared with Lacey’s recommendations which are used in present day practice in India. The analysis presented here indicates that the Lacey’s recommendation for railway bridges is safe and for some cases of the road bridges depends on grip length, angle of tilt and weight of caisson. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Foundation Depth for Bridge Piers

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References (20)

Publisher
Springer Journals
Copyright
Copyright © 2014 by The Institution of Engineers (India)
Subject
Engineering; Civil Engineering
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-014-0055-1
Publisher site
See Article on Publisher Site

Abstract

The safety of bridge piers built in rivers having the bed is one of the prime aspects in the study of scouring process around bridge piers. The stability of bridge piers depends on the depth of foundation provided below maximum scour level. The stability analysis of bridge piers is carried based on moment of forces acting on the caisson pier when the pier slides and tilts slightly in downstream from its position. The experiments are conducted for three pier shapes on two sediment beds and for different flow conditions. The curves indicating the stability limits are compared with Lacey’s recommendations which are used in present day practice in India. The analysis presented here indicates that the Lacey’s recommendation for railway bridges is safe and for some cases of the road bridges depends on grip length, angle of tilt and weight of caisson.

Journal

Journal of The Institution of Engineers (India): Series A – Springer Journals

Published: Mar 11, 2014

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