Benyamin Tanan
Universitas Kristen Indonesia Paulus

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Potensi Hidrologi Dan Tenaga AIR PLTA/PLTM Sungai Maros, Sulawesi Selatan Yelvius Data; Sitampang Bato’ Sau; Erni Rante Bungin; Benyamin Tanan
Paulus Civil Engineering Journal Vol 1 No 1 (2019): Volume 1 No.1, September 2019
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1448.525 KB) | DOI: 10.52722/pcej.v1i1.50

Abstract

Pembangkit Listrik Tenaga Air (PLTA) adalah alternatif pembangkit energi listrik dengan memanfaatkan potensi tenaga air. Pada penelitian ini dilakukan analisis hidrologi untuk mengetahui potensi tenaga air pada Sungai Maros. Metode penelitian yang digunakan adalah metode analisis data sekunder berupa data curah hujan dan data AWLR. Debit terbesar didapat pada alternatif 1 dengan rata-rata sebesar 16,43 m3/detik dengan Q90 sebesar 1,819 m3/det dan Q95 sebesar 1,482 m3/det, pada alternatif 2 debit rata-rata sebesar 10,41 m3/det dengan Q90 sebesar 1,152 m3/det dan Q95 sebesar 0,938 m3/det, dan pada alternatif 3 debit rata-rata sebesar 9,56 m3/det dengan Q90 sebesar 1,059 m3/det dan Q95 sebesar 0,862 m3/det.Untuk tenaga air potensi terbesar didapat pada alternatif 2 dengan potensi bangkitan untuk Q90 sebesar 150 Kw dan Q95 sebesar 122 Kw, pada alternatif 1 potensi bangkitan untuk Q90 sebesar 119 Kw dan Q95 sebesar 97 Kw, dan pada alternatif 3 potensi bangkitan untuk Q90 sebesar 138 Kw dan Q95 sebesar 113 Kw. Sehingga dapat dikatakan bahwa untuk lokasi 1, 2, dan 3 dapat dibangun PLTA Mini. Kata Kunci : pembangkit listrik tenaga air; daerah aliran sungai; Sungai Maros.
Analisis Volume Sedimen Berdasarkan Hasil Pengukuran Dengan Echosounder Dalam Waduk Bili-bili Kabupaten Gowa Elisa Trinofri Sanjaya; Melly Lukman; Benyamin Tanan
Paulus Civil Engineering Journal Vol 2 No 3 (2020): Volume 2, No.3, September 2020
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (370.689 KB) | DOI: 10.52722/pcej.v2i3.140

Abstract

The Bili-Bili Reservoir, Gowa Regency, South Sulawesi Province is a multipurpose reservoir built-in 1994. The Bili-Bili Reservoir was built with the aim of the management and utilization of water resources, as well as to prevent flooding in the rainy season. During its development, there has been a decline in the use of the reservoir service function due to the presence of sediment in the reservoir. From the results of measurements in 2017, at an elevation of +99.5 m (normal water level), the reservoir capacity decreased from 347.81 million m3 to 239.76 million m3 over 20 years due to a large amount of sediment in the Bili-Bili Reservoir. The total volume of sediment from 1997 - 2017 was 108,050 million m3. If this continues, the remaining useful life of the Bili-Bili Reservoir will not be effective. The purpose of this study is to determine the volume of sediment in the Bili-Bili Reservoir, Gowa Regency, South Sulawesi Province in 2019. This research is a field measurement using an Echosounder and secondary data collection in the form of a contour map of the Bili-Bili Reservoir. 1997. From the results of Echosounder measurements, a basic contour map of the Bili-Bili Reservoir in 2019 was made with the 1997 reservoir map, and cross-sections were made as to the basis for calculating the volume of sediment. Based on the results of research and calculations, the total volume of sediment in the Bili-Bili reservoir from 1997 to 2019 was 110,371 million m3 and in 2017 the total volume of sediment was only 108,050 million m³. The total sediment rate in 2017 to 2019 is 2,321 million m³.
Perancangan Pemecah Gelombang di Pantai Auki Kabupaten Biak Numfor, Papua Ixsus Alexander Sappetau; Benyamin Tanan; Erni.R. Bungin
Paulus Civil Engineering Journal Vol 2 No 3 (2020): Volume 2, No.3, September 2020
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (934.329 KB) | DOI: 10.52722/pcej.v2i3.145

Abstract

This study aims to prevent abrasion with a breakwater at Auki Beach. This research can be used as a consideration for the construction of breaking waves around the coast. The too big waves on Auki Beach caused the retreat of the coastline due to abrasion that threatened the lives of residents in the area. Wind data were analyzed with the Wind Rose application to determine the direction of the dominant wind. Forecasting waves based on dominant wind and fetch length refers to the Shore Protection Manual (SPM) 1984. The determination of the plan wave uses the Gumbell’s distribution method (Fisher Tipped Type I) with a return period of 2 - 100 years and for the breakwater planning refers to the equation - equations in the Beach Building Planning book. The results showed that the dominant wind direction came from the Southwest with a speed of 18 knots. The design wave height for the 50 years return period is 2.464 m. The breakwater is planned at a distance of 152.5 m from the coastline with a depth of -3.195 m. The type of breakwater used is an oblique sided breakwater with a height of 7.186 m and a thickness of 4.531 m of protection layer to prevent coastal abrasion.
Analisis Permeabilitas Menggunakan Metode Falling head pada Tanah dengan Penambahan Abu Serabut Kelapa Sisilia Mira Tangdiombo; Benyamin Tanan; Irwan Lie Keng Wong
Paulus Civil Engineering Journal Vol 3 No 3 (2021): PCEJ, Vol.3, No.3, 2021
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (441.181 KB) | DOI: 10.52722/pcej.v3i3.285

Abstract

This study was to determine the physical properties of the soil and the effect of adding coconut ash to the permeability coefficient using the fall method. Soil sampling was carried out in Bolu Village, Rantepao District, North Toraja Regency and the added material used coconut fiber from community waste located on Biring Romang Street, Kapasa Village, Makassar City with the proportion of added material being 0%, 5%, 10%, and 15%. The structure in this research is to use research on the physical properties of the soil and then compile the composition of the alloy to the soil permeability test so that it can produce a coefficient of soil permeability. The results of this study indicate that the soil meets the characteristics as clay soil. The effect of adding fiber ash to the soil is a decrease in the permeability value where the higher the proportion of coconut fibers, the smaller the permeability until the addition of 15%.
Pengaruh Penambahan Pasir Sungai Terhadap Permeabilitas Tanah Lempung Gabriel Rasinan; Benyamin Tanan; Irwan Lie Keng Wong
Paulus Civil Engineering Journal Vol 3 No 4 (2021): Volume 3 No.4 Desember 2021
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (400.949 KB)

Abstract

This study aims to seek the effect of sand on clay soil permeability. Because the problem that often happened in road construction is the characteristics of clay that are unstable to be used as the basis for road construction. It can be damaged such as cracks, holes, and puddles. Therefore, there must be some solution to take to fix the seepage value. The research method used constant head to calculate the water flow through the soil sample in units of time that have been formulated in Darcy’s law. The experiment was tested in the Soil Mechanics Laboratory UKI Paulus Makassar with the soil samples from North Toraja and the sand from the Jenebarang River. The experiment result found that after adding 15% of sand from points 1, 2, and 3 have increased up the permeability value. After all, this study shows that the higher addition of sand, the higher the permeability.
Analisis Kekasaran Dan Kapasitas Penampang Sungai Galang-Galang Kabupaten Polewali Mandar Greistin Anggiani; Benyamin Tanan; Herman Welem Tanje
Paulus Civil Engineering Journal Vol 4 No 1 (2022): Volume 4 No.1, Maret 2022
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (361.507 KB) | DOI: 10.52722/pcej.v4i1.372

Abstract

Galang-Galang River or Binanga Karaeng River is a research site where this river is a border river between polewali mandar regency and Pinrang regency. In April 2020 there was a flood that damaged irrigation buildings on the right side of the bend downstream of the Galang-Galang River. This research aims to analyze the roughness and cross-sectional capacity of the Galang-Galang River. The data used consists of primary data and secondary data. The methods used in survey methods and location points are determined based on observation points that can represent the upstream, middle, and downstream sections. Analysis of roughness coefficients using manning equations. The coefficient of the galang-galang river upstream is 0.037, the middle is 0.015, and the downstream is 0.037. The difference in the coefficient value of roughness is influenced by cross-sectional irregularities, the size of the sediment grains that differ from each point, and the narrowing of the channel. Cross-sectional capacity in segments 1-1, 2-2, and 3-3 is unable to accommodate Q50 and Q100 flood discharges.
Tinjauan Perencanaan Pintu Pengambilan (Intake) Dan Kantong Lumpur Pada Bendung Paku Kabupaten Polewali Mandar Jenrisari Datu Bakka’; Benyamin Tanan; Herman Welem Tanje
Paulus Civil Engineering Journal Vol 4 No 1 (2022): Volume 4 No.1, Maret 2022
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (490.918 KB) | DOI: 10.52722/pcej.v4i1.401

Abstract

There are problems that are often experienced in bends such as problems with sediment transport disorders, flow tapping disorders, problem of eroding until the destruction of building. The pick-up door at Bendung Paku is only able to serve 100 ha, so it takes re-planning the pick-up door to meet the needs of an irrigation area of 466 ha. To reduce the sediment that goes into the irrigation canals are planned mud bags. The study aimed to calculate the dimensions on intake doors and mud bags. The specifications used in this study are the KP-01 and KP-02 Irrigation Planning Standards. In this study, the results of wide openings of intake doors of 1,000 m and a height of 1,670 m. For mud bags with a rinsing time of 7 days can accommodate sediment as much as 254 m3 with a base width dimension of 4,000 m, length of 86 m, flow depth of 0.700. Sediment reservoir depth 0.660 m and downstream depth 0.820 m.
Pengaruh Penambahan Abu Serabut Kelapa Terhadap Permeabilitas Tanah Lempung Evidelis Kala'lembang; Irwan Lie Keng Wong; Benyamin Tanan
Paulus Civil Engineering Journal Vol 4 No 3 (2022): Paulus Civil Engineering Journal Volume 4 No.3
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (425.259 KB) | DOI: 10.52722/pcej.v4i3.500

Abstract

The purpose of this study is to determine the physical properties of the soil and to determine the impact that occurs as a result of the addition of coconut fiber ash to the permeability coefficient of clay soils. The test was carried out by the falling head method. Soil samples were obtained from Rantebua village, Rantebua district, North Toraja regency and coconut fibers used as added material obtained from community waste in Makassar City with a percentage of added materials of 0%,15%,20% and 25%. This study used a series of studies on the physical properties of the soil then to obtain the coefficient of soil permeability, it was arranged to the composition of the alloy against the soil permeability test. Sample testing was carried out at the Soil Mechanics Laboratory of UKI Paulus Makassar. From the results of the research conducted, it has shown that the soil that has been tested meets the characteristics, namely as clay soil. There is a decrease in the permeability value caused by the addition of coconut fiber ash, namely the higher the percentage of coconut fiber ash, the smaller the permeability tilapia up to the addition of 25%.
Alternatif Perencanaan Bangunan Pengaman Pantai Tipe Groin di Desa Hatu Kabupaten Maluku Tengah Lusiasmianti; Benyamin Tanan; Herman Welem Tanje
Paulus Civil Engineering Journal Vol 4 No 3 (2022): Paulus Civil Engineering Journal Volume 4 No.3
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (600.144 KB) | DOI: 10.52722/pcej.v4i3.502

Abstract

This study aims to prevent abrasion and restrain sediment transport along the coast with a groyne type in Hatu village. This research is used as consideration for the construction of other coastal protection constructions around the sea. The high waves on the Hatu beach result in the erosion of the coastline due to the erosion that occurs, thus endangering the safety of the lives of local residents. Wind data analysis uses WindRose software to understand the dominant wind direction. According to the forecast, the majority of the wind waves used the fetch length according to the Shore Protection Manual (SPM) 1984. The planning wave was determined using the Fisher Tipped Type I method using a two-hundred year return period. Determination of sedimentation along the coast and planning of buildings in the book Planning of Coastal Buildings by Bambang Triatmodjo and Wilson's Method by Kiyoshi Horikawa. Obtained from the study, the majority of the wind direction is from the southeast. The design wave height in the 50-year return period is 2,605 m. The base of the groyne is planned to start from the elevation ( + 0.00 HWL) from the sea line using a depth of -2.894 m. The planned groyne type is type I which has two layers.
Pengaruh Penambahan Abu Limbah Kulit Kakao Terhadap Koefisien Permeabilitas Tanah dan Piping Voniyanti Arungtasik; Irwan Lie Keng Wong; Benyamin Tanan
Paulus Civil Engineering Journal Vol 4 No 3 (2022): Paulus Civil Engineering Journal Volume 4 No.3
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.311 KB) | DOI: 10.52722/pcej.v4i3.505

Abstract

This study was carried out to determine the effect of cocoa shell waste ash on soil permeability and piping. This is because clay soil has a poor carrying capacity where the condition of the soil does not allow for road construction to be built on it. Therefore, it is necessary to make efforts to improve the condition of the soil, one of the most common ways is to stabilize the soil. Soil sampling was carried out in Lambanan Village, Mamasa District, Mamasa Regency, and added materials using cocoa shell waste ash located in Lambara Harapan, Burau District, East Luwu Regency with the percentage of added material at the soil permeability coefficient, namely 0%, 5%, 10%, 15% and in piping used percentages of 0% and 15%. The achievement structure in this study is to use a series of studies on the physical properties of the soil so that it can produce soil permeability coefficients and piping. Testing of soil physical properties was carried out at the Uki Paulus Soil Mechanics Laboratory in Makassar. The results of this study showed that the soil meets the characteristics as loamy soil. The effect of adding cocoa shell waste ash to the soil is that there is a decrease in permeability where the higher the percentage of cocoa shell waste ash, the smaller the permeability value to the addition of 15%, while in piping there is an increase in the addition of 15%.