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Analisis Debit Banjir Rancangan Sub DAS Air Bengkulu Menggunakan Analisis Frekuensi dan Metode Distribusi Gusta Gunawan Gunawan; Besperi Besperi; Liza Purnama
Jurnal Ilmiah Rekayasa Sipil Vol 17 No 1 (2020): April 2020
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.326 KB) | DOI: 10.30630/jirs.17.1.298

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Abstract The Design discharge is the important data needed for design of the water infrastructure. The purpose of this study is to estimate the design discharge with a variety of times using a frequency analysis in the Air Bengkulu Sub-watershed. Rain fall data were obtained from the BMKG of Bengkulu province, its starting from 2009 to 2018 years. The design flood estimation method used a statistical method. It is using the distribution method. The initial stage of the research is to process rain data and then conduct frequency analysis. The mathematical equation for frequency analysis includes statistical equations to determine the average value, standard deviation, coefficient of variation, skewness coefficient and kurtosis coefficient. The method used in determining the type of distribution for frequency analysis in this study uses the Gumbel Type I distribution method, Pearson Log Type III, Normal, and Normal Log. Distribution fit test was performed with chi square test and Kalmogorof Smirnov test. The results of estimated design discharges for the 2 years return period, 5 years return period, 10 years return period, 25 years return period, 50 years return period and 100 years returns period in the Air Bengkulu down stream Sub-watershed are respectively 125.16 m3 / sec (2 years return period), 145.24 m3 / sec (5 years return period), 157.59 m3 / sec (10 years return period), 172.43 m3 / sec (25 years return period), 183.03 m3 / sec (50 years return period) and 193.34 m3 / sec (100 years return period). Keywords: watershed, Air Bengkulu, Design Discharge, Frequency Analysis, Distribution Analysis
Kajian Kondisi Jalur Pejalan Kaki di Dalam Kawasan Kampus Universitas Bengkulu Panji Anom Ramawangsa; Atik Prihatiningrum; Besperi Besperi
NALARs Vol 19, No 2 (2020): NALARs Volume 19 Nomor 2 Juli 2020
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/nalars.19.2.89-96

Abstract

ABSTRAK. Berjalan kaki merupakan kegiatan yang esensial dalam menikmati suatu wilayah sekaligus moda transportasi yang alami dan tanpa emisi. Berdasarkan observasi awal peneliti, ditemukan pada kawasan Universitas Bengkulu tidak tersedia jalur pejalan kaki, jalur pejalan kaki yang terputus, serta  jalur pejalan kaki yang tidak memenuhi standar. Sehingga untuk mewujudkan jalur pejalan kaki yang memenuhi standar dan mendorong aktivitas berjalan kaki di dalam kampus maka dibutuhkan jalur pejalan kaki yang sesuai standar dan walkable. Teknik pengumpulan data dan informasi primer pada penelitian ini meliputi teknik observasi dan kuesioner untuk mengkaji tingkat aktifitas pejalan kaki di kawasan kampus. Berdasarkan penilaian yang telah dilakukan, ditemukan bahwa pada segmen 1 merupakan area dengan kondisi jalur pedestrian yang telah tersedia sesuai standar dan berfungsi dengan baik dan pada segmen 2 merupakan area yang memiliki permasalahan jalur pejalan kaki yang tidak sesuai standar sehingga perlu beberapa solusi yang tepat untuk meningkatkan kondisi jalur pejalan kaki. Kata kunci: Kampus, Observasi, Jalur Pejalan Kaki ABSTRACT. Walking is an essential activity in enjoying an area as well as a mode of transportation that is natural and without emissions. Based on the researchers' preliminary observations, it was found that there were no pedestrian paths in the University of Bengkulu area, broken pedestrian paths, and pedestrian paths that did not meet standards. To realize pedestrian paths that meet the criteria and encourage walking activities on campus, pedestrian paths appropriate to the standard and walkable are needed. This study's primary data and information collection techniques include observation and questionnaire techniques to assess the level of pedestrian activity in the campus area. Based on the assessment that has been done, it was found that in segment 1 is an area with pedestrian track conditions that have been available according to the standard and functioning correctly. Segment 2 is an area with pedestrian path problems that are not following standards, so it needs some appropriate solutions to improve pedestrian path conditions. Keywords: Campus, Observation, Pedestrian Way
PREDIKSI PERUBAHAN GARIS PANTAI BENGKULU (STUDI KASUS PANTAI ZAKAT KOTA BENGKULU) Fadli Arif Maulana; Khairul Amri; Besperi Besperi
RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi Vol. 9 No. 1 (2021): RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi
Publisher : Universitas Bina Taruna Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.382 KB) | DOI: 10.37971/radial.v9i1.216

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Abstrak: Prediksi Perubahan Garis Pantai Bengkulu (Studi Kasus Pantai Zakat Kota Bengkulu). Kota Bengkulu merupakan daerah pantai yang berpotensi menjadi objek wisata salah satunya Pantai Zakat yang akan menjadi lokasi penelitian. Penelitian ini dimulai pada koordinat 3°47’4,71” Lintang Selatan - 102°15’26,88” Bujur Timur sampai dengan 3°46’38,52” Lintang Selatan - 102°15’43” Bujur Timur bertujuan untuk mengetahui proses perubahan garis pantai, dan proses sedimentasi-abrasi di pantai Zakat Kota Bengkulu. Penelitian ini memprediksi perubahan garis pantai 5 tahun. Prediksi perubahan garis pantai didekati dengan pendekatan model dengan GENESIS (Generalized Model for Simulating Shoreline Change). Hasil penelitian menunjukkan dalam kurun waktu 5 tahun (2020-2025) mengalami abrasi sebesar 2,823 m dan sedimentasi sebesar 1,677 m. Dengan demikian pantai Zakat Kota Bengkulu dalam kurun waktu 5 tahun akan mengalami sedimentasi dan abrasi. Kata kunci : Perubahan Garis Pantai, Sedimentasi, Abrasi, GENESIS Abstract: Prediction of Changes in Bengkulu Beach Line (Case Study Zakat Beach City of Bengkulu City). Bengkulu City is a coastal area that has the potential to become a tourist attraction, one of which is Zakat Beach which will be the study location. This study begins at coordinates 3°47'4,71" S 102°15'26,88" E to 3°46'38,52" S, 102°15'43" E to conducted to find out the process of shoreline change, and the process of sedimentation-abrasion at the Zakat beach of Bengkulu City. This study predicts the shoreline changes over the next 5years. The prediction of shoreline changes is approached with GENESIS (Generalized Model for Simulating Shoreline Change) approach model. The results showed within 5 years (2020-2025) the shoreline will experience abrasion of 2.823 m and sedimentation of 1,677 m. Thus Zakat beach of Bengkulu city in period 5 years will experience abrasion and sedimentation. Key words: Shoreline Change, Sedimentation, Abrasion, GENESIS
Sosialisasi Tanggap Darurat Dan Keselamatan Bagi Masyarakat Daerah Rawan Gempa Annisa Fitria Edriani; Lindung Zalbuin Mase; Besperi Besperi
Jurnal Pengabdian Masyarakat Vol 1 No 2 (2020): Jurnal Pengabdian Masyarakat
Publisher : LP2M Institut Teknologi dan Bisnis Asia Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/jpm.v1i2.304

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Melihat masifnya kerugian yang diderita manusia akibat gempa bumi, maka peningkatan kualitas infrastruktur semakin intensif dilakukan. Peningkatan tersebut dilakukan dengan penelitian-penelitian yang dilakukan demi meningkatkan ketahanannya terhadap gempa, seperti penemuan-penemuan material dan metode konstruksi alternatif. Gencarnya peningkatan ketahanan bangangun-bangunan ini, sayangnya kurang diimbangi dengan peningkatan pemahaman masyarakat terhadap bencana gempa bumi dan sikap tanggap dalam menghadapi bencana gempa bumi. Provinsi Bengkulu, sebagai wilayah yang mengalami gempa bumi perlu mempersiapkan warganya dengan pengetahuan dalam menghadapi gempa bumi. Kejadian gempa bumi pada tahun 2007 ternyata masih menimbulkan trauma bagi masyarakat Provinsi Bengkulu. Tim Pengabdian Pada Masyarakat Program Studi Teknik Sipil, Fakultas Teknik, Universitas Bengkulu, memilih SMA Negeri 1 Kabupaten Seluma dengan sasaran kegiatan ini adalah siswa, guru, dan pengguna gedung sekolah lainnya. Kegiatan ini diharapkan dapat meningkatkan kiprah tim pengabdian masyarakat dari Universitas Bengkulu di bidang mitigasi bencana serta meningkatkan pemahaman mengenai gempa bumi dan kesiapsiagaan masyarakat menghadapi gempa bumi.
PERENCANAAN TUBUH BENDUNGAN AIR PADANG GUCI KABUPATEN KAUR PROVINSI BENGKULU Bagus Prasetya; Besperi Besperi; Muhammad Fauzi
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (632.612 KB) | DOI: 10.33369/ijts.8.2.1-16

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Padang Guci Hulu Subdistrict has potential to meet the needs of sizeable water supply. It is supported by geographical location of Padang Guci Hulu Subdistrict which is in the tropical region where there are hight enough rainfall. However in general the problem arising in Padang Guci Hulu Subdistrict during dry season is the availability of raw water and irrigation water that very limited. The purpose of this research is to design a strong and safe dam body construction againts its stability control. Planning dam body uses design flood from synthetic hydrograph gamma I with a return period 1000 years of 224,66 meter3/second. This dam isplanned as high as 31,3 meter, with dam base elevation of + 405 meter, peak elevation + 436,30 meter, high surveillance 2,8 meter, the width of the dam crest 8,5 meter, upstream sloop 1 : 3, downstream sloop 1 : 2,25. The body design of the Air Padang Guci Dam has qualified for its stability control.
PERENCANAAN SUMUR RESAPAN AIR HUJAN UNTUK KONSERVASI AIR TANAH DI DAERAH PERMUKIMAN (STUDI KASUS DI PERUMAHAN RT. II, III, DAN IV PERUMNAS LINGKAR TIMUR BENGKULU) Kurnia Iriani; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (689.057 KB) | DOI: 10.33369/ijts.5.1.9-22

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The increasing of development for supporting facilities in public life triggers transformation of land use and decreasing of open space for infiltration area. This causes surface flow (run-off) and some rainwater infiltrating into land. Therefore, it is necessary made a patch like the infiltration well which is used to patch and then infiltrate rainwater into soil slowly. The purpose of this research was to determine amount and construction of infiltration well. This research was executed in housing RT. II, III, and IV Lingkar Timur at Bengkulu City that hasnumber of house 153. This study used survey methods such as measuring,questionnaire/interviewing, and percolation test to obtain the required data. Based on the data and analysis of calculation according to SK SNI 03-2453-2002, was determined that for individual infiltration well, the form of infiltration well was circle with a diameter of 1 m and a depth of 3 m, while for communal infiltration well was circle with a diameter of 1.4 m and a depth of 3 m (by 92 pieces). The others alternative form for individual infiltration well was square with a width of 1.2 m and a depth of 1.5 m, while for communal infiltration well was square with a width of 1.4 m and a depth of 3 m (by 72 pieces). Construction of infiltration well according to Technical Instruction Applying Drainage Method with Environmental Concept In Residence Area (2002) was brick wall or red brick pair without plastered and among it given hole.
PERENCANAAN TUBUH BENDUNGANAIR LUAS KABUPATEN KAUR PROVINSI BENGKULU Robet Firmansyah; Besperi Besperi; Muhammad Fauzi
Inersia: Jurnal Teknik Sipil Vol. 9 No. 1 (2017)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.413 KB) | DOI: 10.33369/ijts.9.1.23-37

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The purpose of this study was to plan the dimensions of the dam body that is technically feasible to build, as well as secure the stability. Flood discharge plan used amounted to 1,152 meters cubic/ sec with a return period of 1000 years. Based on the analysis that has been done, get a plan of flood water level is + 303,22 meters, surveillance obtained high of 3,0 meters, the body of the dam crest elevation gained + 306,22 meters high dam that is obtained by subtracting the height elevation of the peak body dam with a base elevation of the dam is 56,16 meters, width of the dam crest beacon of 11.0 meters, rockfill the upstream slope of 1:3 and for rockfill downstream slope is 1: 2,.25. Using the scheme of depression line formation with drainage leg with a graphic way, do not occur out of the body dam seepage and flow filtration capacity value of the calculation, Q = 9,553 x 10-5 meters cubic / sec, smallest than 2% Qinflow mean = 5,785 mmeters cubic / sec, dam secure against flow filtration. The stability of the main dam of landslide with the value of safety factor in a variety of conditions, namely dams both empty and fully charged in a normal state or an earthquake, for rockfill dam by calculating the weight of the dam, sliding moment, pore water pressure and earthquake loads. Using the method of slices Fellenius glide plane, the value obtained above safe rate (1,2), the planneddam safety to landslides
SUMUR RESAPAN AIR LIMBAH KAMAR MANDI UNTUK KESEIMBANGAN PERMUKAAN AIR TANAH DI DAERAH PERMUKIMAN (Studi Kasus Di Perumahan RT. II, RT. III, dan RT. IV Perumnas Lingkar Timur Bengkulu) Anggun Lia Anestri; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (739.864 KB) | DOI: 10.33369/ijts.5.1.23-30

Abstract

omestic waste water from bathroom, that generally being a waste water, can be used to balance the ground water surface.Utilization of bathroom waste water is done by making the  infiltration well. This study aimed to quantify the debit of resulted bathroom waste water and to design the bathroom waste water infiltration well. The experiment was conducted in Housing RT. II, RT. III, and RT. IV Permunas Lingkar Timur of Bengkulu that has number of house of153 units and number of inhabitant as much as 701 people. The research used survey methods such as questionnaires / interviews and percolation test to obtain the required data. Based on the data and analysis of calculation according to the Sunjoto method, concluded that the debit of bathroom waste water for RT. II, RT. III, and RT. IV was consecutive 3.38x10-5 m3/s, 9.688x10-5 m3/s, 0.0001558 m3/s. The number of produced infiltration well total 33 wells whichis 4 wells for RT. II, 5 wells for RT. III, and 24 wells for RT. IV. Each of infiltration well haddifferent dimensions in accordance with the need.
ANALISIS EFISIENSI PENYALURAN AIR IRIGASI KAWASAN KEMUMU KABUPATEN BENGKULU UTARA (Tinjauan saluran sekunder) Aditta Setio Rahayu; Khairul Amri; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol. 9 No. 1 (2017)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (556.131 KB) | DOI: 10.33369/ijts.9.1.9-14

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Irrigation efficiency is a major determinant in the system of scheme irrigation . Irrigation efficiency is assumed as part of water would be lost either in the channel or at the rice terraces. Water loss estimate in efficiency include loss of water efficiency tertiary and secondary level, water loss is influenced by the length of the channel, the surface area of the channel, the wet cross section and the position of groundwater. The analysis in this study is to calculate thevalue of the efficiency the secondary and the tertiary canals of irrigation of Kemumu, North Bengkulu. Efficiency is accounted based on the length of the channel, sectional area of wet channel, water velocity, water loss, evaporation and seepage channel. The water loss average of secondary channel is 26,12 mm3/sec. seepage average for secondary channel is 5,06 x 10 mm/day. Evaporation in one year is 0,05 mm/day. The results of this study stated that the efficiency of the secondary channel efficiently deliver water from the primary channel to channel tertiary the average of efficiency  is about 11,92%. The result of this analysis is expected that not efficient channels in Kemumu North Bengkulu can be fixed, so thewater that rice field needed can be fulfilled. The channels can be fixed with some ways, such as making theconcrete irrigation and doing the rutine maintenance.
PENGARUH HUTAN BAKAU TERHADAP SEDIMENTASI Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 3, No 1 (2011)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.404 KB) | DOI: 10.33369/ijts.3.1.33-38

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The aim of this research is to contribute in engineering consideration especially to study the ability Rhizophora shrub to increase velocity of sedimentation. The research has done using phsycal modelling (prototype refer to Rhizophora aged 4 – 5 years old). Depht obtained by three time measuring with 10 minutes interval to obtain precision f measurement. Model has scale 1:10 base on facility.The result ofresearch shows that Rhizophora shrub can reduce velocity, the depth raise, and the velocity of sedimentation raise.