Channel Pattern Evolution Due To The Non-Migrating Mid-Bar

  • Zamsalwani Zamri Politeknik Sultan Idris Shah
  • Junaidah Ariffin Universiti Teknologi Mara Shah Alam
  • Jazuri Abdullah Universiti Teknologi Mara Shah Alam

Abstract

Channel evolution is a net outcome of erosion and deposition. It initiates and develops width adjustment and planform evolution. Structures such as bridges, highway, flood control contraptions and building are built within the vicinity of the river will be affected by river meandering and its distance. And at these structures area, mid-bar will be occurred that influence the hydraulic properties. Therefore, the aim of this paper is to determine the pattern of the of the bankline due to the non-migrating mid-bar. The morphology evolution is affected and influences expansion area of mid-bar, low-curvature degree in the channel planform and presence of obstacle This research was carried out on a physical river channel model measuring 10m long, 2.4m wide and 1.8m deep located at Universiti Teknologi MARA Puncak Alam. This paper presents bankline pattern with a different discharge. From the experiment, its shows that morphology of the river will be changed from straight to meander river and its effected to spatial patterns of rate of width change, cross-sectional of the profile and degree of deflection to lateral migration rate.

Published
2019-12-01
How to Cite
ZAMRI, Zamsalwani; ARIFFIN, Junaidah; ABDULLAH, Jazuri. Channel Pattern Evolution Due To The Non-Migrating Mid-Bar. Politeknik & Kolej Komuniti Journal of Engineering and Technology, [S.l.], v. 4, n. 1, p. 138-147, dec. 2019. ISSN 0128-2883. Available at: <https://myjms.mohe.gov.my/index.php/PMJET/article/view/7403>. Date accessed: 28 jan. 2022.

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