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All Journal Jurnal Scientia Jurnal Teslink : Teknik Sipil dan Lingkungan Innovative: Journal Of Social Science Research
Mas’ud Sar
Universitas Muslim Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Public Health Transportation Other

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Model Sedimentasi Dengan Menggunakan Aplikasi Hec-Ras” (Studi Kasus : Sungai Pappa Kab. Takalar) Andi Haikal; Ratna Musa; Mas’ud Sar
Innovative: Journal Of Social Science Research Vol. 3 No. 3 (2023): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v3i3.3092

Abstract

“Model Sedimentasi Dengan Menggunakan Aplikasi HEC-RAS” (Studi Kasus : Sungai Pappa Kab. Takalar). Sungai Pappa berada di Kabupaten Takalar sering mengalami banjir pada musim penghujan, yang disebabkan tingginya intensitas curah hujan, ditambah dengan penyempitan dan pendangkalan penampang sungai akibat sedimentasi dari hulu, aliran air mengangkut material-material sedimen yang berasal dari proses erosi yang terbawa oleh aliran air. Sedimen yang dihasilkan oleh proses erosi dan terbawa oleh aliran air akan diendapkan pada suatu tempat yang kecepatan alirannya melambat atau terhenti. Penelitian ini melihat model perubahan dasar sungai akibat sedimentasi dan mengetahui besarnya angkutan sedimentasi. sehingga dapat dibuat rencana penanganan yang dapat mengurangi dan mereduksi akibat-akbat yang ditimbulkannya, perilaku transport sedimen, besarnya angkutan sedimen dan terjadinya perubahan dasar sungai pada area studi. Hasil simulasi menggunakan HEC-RAS 6.0 pada cross section 1, 2, 3, dan 11 mengalami degradasi, dan di cross section 4 dan 5 terjadi agradasi, sedangkan pada cross section 6, 7, 8, 9 dan 10 terjadi eqilibrum. Besarnya volume sedimen yang terdegradasi pada ruas sungai Pappa yang di teliti sebesar 16.225,47 m3 dan volume sedimen yang teragradasi sebesar 9.291,56 m3, sehingga volume sedimen yang akan mengalir kearah hilir Sungai Pappa sebesar 6.933,91 m3.
Evaluasi Kinerja Jaringan Pipa Distribusi Air Bersih Menggunakan Aplikasi Epanet (Studi Kasus Perumnas Wekkee Kota Pare-Pare) Abdul Malik Amrullah Abu Bakar; Ratna Musa; Mas’ud Sar
Jurnal TESLINK : Teknik Sipil dan Lingkungan Vol 5 No 2 (2023): Next Issue on, September 2023
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/teslink.v5i2.302

Abstract

Air bersih merupakan salah satu kebutuhan yang sangat vital bagi semua manusia dan mahluk hidup, karena segala aktivitas masyarakat di berbagai aspek kehidupan memerlukan air bersih. Sistem penyediaan air bersih menggunakan sistem perpipaan, Pengelolaan sistem ini biasanya dilakukan oleh pemerintah setempat melalui Perusahaan Daerah Air Minum, Sistem distribusi air bersih di Perumnas Wekkeé Kota Parepare tidak mampu memenuhi kebutuhan air seluruh pelanggan. Debit pengambilan dari sumber air tidak maksimal sehingga tidak mampu mencukupi kebutuhan pelanggan. Tujuan dari penelitian ini adalah untuk mengetahui kinerja jaringan pipa air bersih dengan menggunakan program Epanet 2.0 dan mengetahui faktor- faktor yang mempengaruhi kinerja jaringan pipa air bersih. Berdasarkan hasil penelitian dengan menggunakan Epanet 2.0 bahwa hasil kinerja jaringan pipa di Perumnas Wekke’e adalah 68% rumah yang dapat terpenuhi dan 42% tidak mendapatkan air (Perumnas Blok H dan Blok E). Faktor yang mempengaruhi kinerja jaringan pipa Distribusi Air Bersih di Perumnas Wekkeé Kota Parepare adalah ukuran pipa, pompa, dan kapasitas instalasi pengolaan air yang tidak cukup sehingga mengakibatkan ada beberapa rumah yang tidak mendapatkan air.
Olak pool capacity study on ameroro dam overflow building Sukma Ma’ri Fatullah; Ratna Musa; Ali Mallombasi; Mas’ud SAR
Jurnal Scientia Vol. 13 No. 01 (2024): Education, Sosial science and Planning technique, 2024
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v13i01.2299

Abstract

Dams, constructed using various materials such as earth fill, stone fill, concrete, and/or stone masonry, serve the primary function of water storage. However, they can also be designed to retain sediment, forming reservoirs. Central to dam infrastructure is the spillway, tasked with regulating water release downstream. This research aims to assess the magnitude of outflow discharge by conducting flood tracing calculations through the spillway and evaluating the effectiveness of stilling ponds in channeling design flood discharge at Ameroro Dam. Employing HEC-RAS for stilling pond modeling, the study reveals that the stilling pond effectively manages flood discharges corresponding to Q100, Q1000, and QPMF events. Analysis using HEC-RAS further indicates that while the stilling pond adequately handles flow conditions during the Q100 return period, it proves ineffective in reducing the flow from the launch channel. Notably, the resulting Froude number of 6.40 signifies supercritical flow, prompting the inclusion of a beacon at the end sill. Consequently, the modified stilling pond configuration reduces flow velocity, transitioning the launch channel flow to subcritical with a Froude value of 0.18.
Study of the addition of overflow doors as flood control (study of ameroro dam case) Anwar Sanusi; Ratna Musa; Ali Mallombasi; Mas’ud SAR
Jurnal Scientia Vol. 13 No. 01 (2024): Education, Sosial science and Planning technique, 2024
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v13i01.2300

Abstract

Floods are a natural phenomenon that can cause damage to people, property and lives. Floods become a cause for concern when losses are incurred, as rivers usually take up their channel space before they reach human habitation. Floods can be caused by a variety of factors, including the state of the rain-catchment area, the length and intensity of the rainfall, soil cover, topographical conditions and the drainage network's storage capacity. One of the structures that can be used for flood control and prevention is a dam. This study aimed to analyze the return flood discharge and flood tracing through the spillway with the addition of 2 spillway gates at the Ameroro Dam. The study was carried out by analyzing secondary data and primary data obtained through data collection and field surveys. The data analysis stage determines the size of the Design Watershed Hydrograph from the design rainfall calculation using the Snyder Unit Hydrograph method in HEC-HMS 4.11 software. The return period flood discharge in the Ameroro dam for the return period Q 2th = 224.26 m3/s, Q 5th = 270.26 m3/s, Q 10th = 301.73 m3/s, Q 25th = 340.71 m3/s, Q 50th = 369.65 m3 /s, Q 100th = 398.34 m3/s, Q 1000th 493.21 m3/s, and Q PMF = 1222.66 m3/s. When two spillway gates are used to trace floodwaters through the spillway, the outflow discharge is less or the flood is reduced when there are no spillway gates used. Therefore, it is safer for the structure of the dam body and more effective to reduce floods at the Ameroro Dam to use two spillway gates.
Numerization model for calculating irrigation water requirements Agus Lasse; Ratna Musa; Mas’ud SAR
Jurnal Scientia Vol. 13 No. 01 (2024): Education, Sosial science and Planning technique, 2024
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v13i01.2301

Abstract

Water is an important resource in supporting the survival of all living things. The Indonesian government seeks to develop the water sector with the aim of directly influencing the water needs of society through the use of water, especially in agriculture, to meet food needs and encourage regional development. The aim of this research is to calculate irrigation water requirements manually using KP-01 and Cropwat 8.0 software. This research uses the Research and Development (R & D) research method. Data collection techniques in this research were observation, interviews and literature study. Modified Penman climatology analysis was used, with irrigation water requirements derived from KP-01 and Cropwat 8.0 software. The research results show that starting from the second period in September when land preparation begins, the analysis of irrigation water requirements for the rice-paddy-palawija cropping pattern shows that for alternative I, the maximum value of irrigation water requirements is 2.32 L. /second/ha; in alternative II it is 2.00 L/second/ha; and in alternative III it is 1.99 L/second/ha. Using Cropwat 8.0 software, the highest irrigation water requirement value was obtained in February of the third decade of 1.99 L/second/ha, while the smallest maximum irrigation water requirement value was 1.6 L/second/ha in the second period of October.
Co-Authors Abdul Malik Amrullah Abu Bakar Agus Lasse Ali Mallombasi Andi Haikal Anwar Sanusi Ratna Musa Sukma Ma’ri Fatullah