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Bridge modeling on the backwater effect due to arrangement and type of piers

The existing of bridge piers in river waterways causes backwater effect where there is an increase in water level at upstream. During monsoon season at East Coast of Malaysia, the amount of water flow in upstream of bridge increases due to long duration and high intensity of rainfall that effective...

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Main Author: Yap, Chee Kien
Format: Undergraduates Project Papers
Language:English
Published: 2013
Subjects:
TG Bridge engineering
Online Access:http://umpir.ump.edu.my/id/eprint/12387/1/FKASA%20-%20YAP%20CHEE%20KIEN.PDF
http://umpir.ump.edu.my/id/eprint/12387/
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spelling my.ump.umpir.123872021-07-28T04:36:32Z http://umpir.ump.edu.my/id/eprint/12387/ Bridge modeling on the backwater effect due to arrangement and type of piers Yap, Chee Kien TG Bridge engineering The existing of bridge piers in river waterways causes backwater effect where there is an increase in water level at upstream. During monsoon season at East Coast of Malaysia, the amount of water flow in upstream of bridge increases due to long duration and high intensity of rainfall that effectively increases the backwater amount. Hence, the excessive amount of backwater resulted in flooding to vicinity area. Therefore, a research was carried on the basis of laboratory experimental as to analyse the hydraulic profile and the significance of the backwater effect. The models incorporated different types and arrangements of piers for bridge model in three channel conditions (rectangular, floodplain and embankment channels) in subcritical flow. The results from this research suggested that the backwater measured was relatively higher than that computed backwater from equation where these values need to be reduced by considering the absolute surface roughness value for concrete material. In addition, it is shown that Ay/y3 values for square pier and a of 0.167 are relatively higher than circular pier and a of 0.083, respectively. With such findings enhance the knowledge of engineer by considering backwater effect in designing bridge which eventually reduces the flood events due to excessive backwater effect. 2013-06 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/12387/1/FKASA%20-%20YAP%20CHEE%20KIEN.PDF Yap, Chee Kien (2013) Bridge modeling on the backwater effect due to arrangement and type of piers. Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TG Bridge engineering
spellingShingle TG Bridge engineering
Yap, Chee Kien
Bridge modeling on the backwater effect due to arrangement and type of piers
description The existing of bridge piers in river waterways causes backwater effect where there is an increase in water level at upstream. During monsoon season at East Coast of Malaysia, the amount of water flow in upstream of bridge increases due to long duration and high intensity of rainfall that effectively increases the backwater amount. Hence, the excessive amount of backwater resulted in flooding to vicinity area. Therefore, a research was carried on the basis of laboratory experimental as to analyse the hydraulic profile and the significance of the backwater effect. The models incorporated different types and arrangements of piers for bridge model in three channel conditions (rectangular, floodplain and embankment channels) in subcritical flow. The results from this research suggested that the backwater measured was relatively higher than that computed backwater from equation where these values need to be reduced by considering the absolute surface roughness value for concrete material. In addition, it is shown that Ay/y3 values for square pier and a of 0.167 are relatively higher than circular pier and a of 0.083, respectively. With such findings enhance the knowledge of engineer by considering backwater effect in designing bridge which eventually reduces the flood events due to excessive backwater effect.
format Undergraduates Project Papers
author Yap, Chee Kien
author_facet Yap, Chee Kien
author_sort Yap, Chee Kien
title Bridge modeling on the backwater effect due to arrangement and type of piers
title_short Bridge modeling on the backwater effect due to arrangement and type of piers
title_full Bridge modeling on the backwater effect due to arrangement and type of piers
title_fullStr Bridge modeling on the backwater effect due to arrangement and type of piers
title_full_unstemmed Bridge modeling on the backwater effect due to arrangement and type of piers
title_sort bridge modeling on the backwater effect due to arrangement and type of piers
publishDate 2013
url http://umpir.ump.edu.my/id/eprint/12387/1/FKASA%20-%20YAP%20CHEE%20KIEN.PDF
http://umpir.ump.edu.my/id/eprint/12387/
_version_ 1706957231820374016
score 13.211869

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