Mathematical Modeling‐Based Management of a Sand Trap throughout Operational and Maintenance Periods (Case Study: Pengasih Irrigation Network, Indonesia)
Penulis/Author
Ansita Gupitakingkin Pradipta, S.T., M.Eng. (1); Dr. Murtiningrum, S.T.P., M.Eng. (4); Prof. Dr. Ir. Sigit Supadmo, M.Eng. (8)
Tanggal/Date
30 2022
Kata Kunci/Keyword
Abstrak/Abstract
Surface irrigation networks in Indonesia are damaged by several factors, and sedimentation is among the most severe challenges. Sand traps play a substantial role in improving irrigation system efficiency by reducing sedimentation. There are two periods in sand trap operation: the operational and maintenance periods. Pengasih is one of the irrigation schemes implemented in the Progo Opak Serang (POS) River Basin, which has a high level of erosion. This study aimed to propose an appropriate management strategy for the Pengasih sand trap as the first barrier in irrigation network sedimentation based on mathematical modeling. The HEC‐RAS simulation software was used to simulate the sand trap hydraulic behaviour. The results show that the validated Manning’s coefficient was 0.025. The optimal transport parameters were Laursen for the potential function, Exner 5 for the sorting method, and Rubey for the fall velocity method. The recommended flushing timeframe is 315 min, with a discharge of 2 m3/s. We suggest that the sand trap flushing frequency be performed twice a year, and it can be performed at the end of March and October. This coincides
with the end of the first and third planting seasons of the irrigation scheme.
Bahasa Asli/Original Language
English
Level
Internasional
Status
Dokumen Karya
No
Judul
Tipe Dokumen
Aksi
1
Full Dokumen (Mathematical Modeling).pdf
[PAK] Full Dokumen
2
Mathematical Modeling?Based Management of a Sand Trap throughout Operational and Maintenance Periods (Case Study_ Pengasih Irrigation Network, Indonesia).pdf
