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Arbi, Yaumal
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Civil Engineering, Building, Construction & Architecture Education Engineering

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Journal : Jurnal Applied Science in Civil Engineering

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PERENCANAAN SALURAN DRAINASE PRIMER DI KAWASAN UNIVERSITAS NEGERI PADANG Herza, Habil Abdilah; Arbi, Yaumal
Jurnal Applied Science in Civil Engineering Vol 5 No 1 (2024): Jurnal Applied Science in Civil Engineering
Publisher : Teknik Sipil Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/asce.v5i1.101183

Abstract

Abstract : The primary drainage channel capacity of Universitas Negeri Padang (UNP) proves inadequate for managing the substantial discharge due to sedimentation thickness and the deteriorating functionality of the existing channel. Consequently, this leads to the overflow of the drainage channel, resulting in instances of flooding and standing water. The objective of this research is to analyze and re-plan the primary channel to ensure optimal functionality. In the research methodology, hydrological data is processed using the Log-Pearson II method to derive rainfall intensity values for specific return periods. These values are subsequently simulated using HEC-HMS software to ascertain the design discharge. Hydraulic simulation is then conducted utilizing HEC-RAS software to evaluate the capacity of the existing channel to accommodate the design discharge. Through the processing of hydrological data and simulation employing HEC-HMS, the design discharge for a 100-year return period is determined to be 83 m3/s. The hydraulic simulation utilizing HEC-RAS, incorporating input values of the design discharge and existing channel dimensions, indicates that the existing drainage channel's capacity falls short of the design discharge. This signifies that the current dimensions are insufficient to handle the design discharge, necessitating a redesign of the channel dimensions. The redesigned channel dimensions and simulation outcomes reveal that the planned channel capacity exceeds the planned discharge, indicating that the proposed channel dimensions can effectively accommodate the intended discharge.
ANALISA SALURAN DRAINASE (STUDI KASUS : SALURAN DRAINASE FMIPA UNP) Fajri, Gilang Dwi; Arbi, Yaumal
Jurnal Applied Science in Civil Engineering Vol 5 No 1 (2024): Jurnal Applied Science in Civil Engineering
Publisher : Teknik Sipil Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/asce.v5i1.103883

Abstract

Secara umum, drainase merupakan bagian penting dari infrastruktur perkotaan, kegagalan sebuah drainase dapat mengganggu kegiatan penduduk sekitar. Kawasan yang bermasalah terhadap saluran drainase terdapat di kampus Universitas Negeri Padang berada di kawasan FMIPA. Faktor yang menyebabkan genangan air di FMIPA adalah lahan terbuka hijau, terdapatnya sedimentasi dan rusaknya drainase. Untuk itu perlu dilakukan analisa banjir dengan software HEC-RAS guna mengetahui tinggi air. Maka diperlukan data primer, sekunder, curah hujan rancangan,dan beberapa metode distribusi untuk mendapatkan hasil. Analisa curah hujan diambil dari BPS data curah hujan 10 tahun terakhir. Perhitungan curah hujan rencana dan debit menggunakan metode Log Pearson Type III dan sudah memenuhi uji kecocokan distribusi Chi Kuadrat dan Smirnov Kolmogorov. Hasil analisa hidrologi pada intensitas adalah 794,813 mm/jam pada PUH 100 tahun dan debit adalah 4,972 m3/s pada PUH 100 tahun. Hasil hidrolika dengan HEC-RAS menunjukkan elevasi pada 3,15 m dan debit 4,97 m3/s. Hasil analisa hidrolika menggunakan HEC-RAS bahwa drainase saluran tidak mampu mengalirkan debit hujan pada periode 100 tahun.
Co-Authors Adfuza, Gloria Poppy Akmal, Ikhsanul Aldri Frinaldi Andi Irawan Arifin, Ari Syaiful Rahman Dasman Lanin Fajri, Gilang Dwi Fitrianti, Rahma Herza, Habil Abdilah Intan Purnama Sari Mardizal, Jonni Nofriya Nofriya, Nofriya Putri, Widia Rembrandt, Rembrandt Rizki Aziz Taufiq Ihsan Umar, Genius Yandra, Muvi