The Experimental Study of Optimum Thickness on Riprap Layer Design

Dea Lidya, Robby Tallar, Alexander Suwono

2021

Abstract

Flow velocity in rivers may have significant effects on flow pattern and velocity distribution, especially for horizontal flow. In river engineering, hydraulics engineering, and river restoration project, it is essential to consider in the analysis if there is a change or modification in the waterway such as the pier of the bridge. The existence of a bridge pier causes a change in the pattern of river flow to vertical water flow, this can cause local scouring. Riprap is one of the protection methods concerning local scouring. Therefore, the main purpose of this study is to determine the optimum thickness of the riprap layer within a certain diameter in the flow under clear water conditions and under sediment-based riprap layer. The experimental study was used to inquire the resulted optimum thickness on the riprap layer design. This study used a cylindrical-shaped of bridge pier to study the scouring pattern, failure mechanism, and riprap stability. This study offered several scenarios. The result indicated that the thickness of the riprap layer affected the depth of local scouring. Further study, it is essential to investigate the relationship among variables of riprap, pier, hydraulics characteristics. The application of the riprap design method is very useful for the long-term protection of river structures.

Paper Citation

in Harvard Style

Lidya D., Tallar R. and Suwono A. (2021). The Experimental Study of Optimum Thickness on Riprap Layer Design. In Proceedings of the 1st International Conference on Emerging Issues in Technology, Engineering and Science - Volume 1: ICE-TES, ISBN 978-989-758-601-9, pages 180-183. DOI: 10.5220/0010747700003113

in Bibtex Style

@conference{ice-tes21,
author={Dea Lidya and Robby Tallar and Alexander Suwono},
title={The Experimental Study of Optimum Thickness on Riprap Layer Design},
booktitle={Proceedings of the 1st International Conference on Emerging Issues in Technology, Engineering and Science - Volume 1: ICE-TES,},
year={2021},
pages={180-183},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010747700003113},
isbn={978-989-758-601-9},
}

in EndNote Style

TY - CONF

JO - Proceedings of the 1st International Conference on Emerging Issues in Technology, Engineering and Science - Volume 1: ICE-TES,
TI - The Experimental Study of Optimum Thickness on Riprap Layer Design
SN - 978-989-758-601-9
AU - Lidya D.
AU - Tallar R.
AU - Suwono A.
PY - 2021
SP - 180
EP - 183
DO - 10.5220/0010747700003113