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All Journal Jurnal RAP JKMS : Jurnal Ilmu Komunikasi Jurnal Sains dan Teknologi DEDIKASI JURNAL MAHASISWA Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Pseudocode FIKRI : Jurnal Kajian Agama, Sosial dan Budaya RACIC : Rab Construction Research Jurnal Serambi Engineering Jurnal Agroecotania : Publikasi Nasional Ilmu Budidaya Pertanian Unes Law Review Jurnal Daur Lingkungan Jurnal Surya Teknika Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks International Journal of Humanities Education and Social Sciences Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) Jurnal Talenta Sipil Prosiding Seminar Nasional Universitas Serambi Mekkah Tuturan: Jurnal Ilmu Komunikasi, Sosial dan Humaniora Anggaran: Jurnal Publikasi Ekonomi dan Akuntansi Moneter : Jurnal Ekonomi dan Keuangan Jurnal Ekonomi dan Pembangunan Indonesia Observasi: Jurnal Publikasi Ilmu Psikologi Mikroba: Jurnal Ilmu Tanaman, Sains dan Teknologi Pertanian Jurnal Sains & Kesehatan Darussalam Jurnal Ekonomi, Manajemen, Akuntansi
Rinaldi Rinaldi
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Analisis Debit Banjir Sungai Daik Dengan Berbagai Kala Ulang Rahman Wahidin Miatullah; Manyuk Fauzi; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Daik River in Lingga Regency is one of the flood prone rivers. To overcome this, information about the capacity that can be accommodated by the Daik River is needed. Therefore, the researcher simulated the water surface profile intended to provide information about the flood discharge into the Daik river. Theflood discharge plans were calculated with a return period of 2 years, 5 years, 10 years, 20 years, 25 years, 50 years, 100 years by using Hesper method. The simulation results show that in most parts of the DaikRiver at the time of the return of 2 years there has been a flood inundation with an flood discharge of 159,3909 m3/s, while the cross-section of Daik River capacity of 57,53 m3/s.Keywords: daik river, flood discharge plans, HEC-RAS.
Model Fisik Fenomena Terbentukn Ya Tidal Flat Pada Lahan Gambut Kepulauan Adri Patria Ganda; Rinaldi Rinaldi; Sigit Sutikno
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The phenomenon of the formation of tidal flats is a unique phenomenon which is very interesting to study. The purpose of this study was to analyze the wave characteristics of the island peatlands and the tidal flat formation process. The method used in this research is bed load simulation and one-way waves with variations in wave period, wave height and wavelength. Simulations were carried out in the Hydrotechnic Laboratory using a flume measuring 500cm x 7.6cm x 25cm, Motoric Wave Generator, and Velocimeter. The results showed that the bed profile changed dynamically moving back and forth, and tidal flats were formed at the 5th and 6th hours with a length of 9.9 cm offshore then the tidal flat was abrasive. Keywords: Bed Load, Tidal Flat, Wave characteristics
Kajian Karakteristik Profil Pantai Dengan Menggunakan Metode Equilibrium Beach Profile Di Kecamatan Sinaboi Kabupaten Rokan Hilir Erwin Satria Anugrah; Rinaldi Rinaldi; Ferry Fatnanta
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Coastal area is a very vulnerable to changes, because dynamic movement which are cause by the wave. A wave move bring a very easy basic particle coast and make errotion andaccresion in some area of coast. But, a coast will be return into a basic form if they had a balance character. Equilibrium Beach Profile (EBP) method is empirical correlation a scale parameter and the sediment size or fall velocity allow computation z = Ax2/3. Thismethod first time applicated by Robert G Dean in the beach California, United States. A purpose of research is want to know a balance of the coast in Sinaboi, Rokan Hilir with Equilibrium Beach Profile method. From analysis cross section data in some area, a slope formed by Equilibrium Beach Profile method almost approaching existing slope. A some cross section data which has a difference with existing slope and then justified a parameter.Keyword: coast, slope, equilibrium beach profile, coast change.
Penyusunan Peta Indeks Resiko Banjir Dengan Teknologi Sistem Imformasi Geografis (SIG) Kecamatan Senapelan, Sukajadi Dan Lima Puluh Yudha Andestian; Bambang Sujatmoko; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Flood is a disaster that can cause a lot of disadvantage to society, from materials or people`s life. Based on the survey from Royal Haskoning Team (2011), Senapelan district had 3 (three) spots of puddles. Sukajadi with 7 (seven) spots and Limapuluh district with 4 (four) puddles. The issue was came from the existed drainage system was still depends and relying on the natural channel, like brooks, swamps, and the others. Nevertheless, the brooks or swamps which flows to Siak River isn`t always good and that can potentially let some puddles and flood in several spots happens.The preparation of flood risk index map was based on insecurity index, vulnerability index and capacity index. The insecurity index parameter was based on the high , the duration and the frequency of the puddles. The vulnerability index parameter was based on the number of peoples, the dense of buildings, the male ratio and the ratio for under 15 (fifteen) peoples. The capacity index parameter was based on the existed flood pump condition, water tunnel, levee and drainage. Those parameters were analyzed by using Geographic Information System Technology (GIS)Based on the flood risk map for those three districts had 2 (two) sub-districts with index III, 6 (six) sub-districts with index II, and 9 (nine) sub-districts with index I. Based on the insecurity index, they were 3 (three) sub-districts with index IV, 4 (four) sub-districts with index III, 1 (one) sub-district with index II, and 9 (nine) sub-districts with index I. Based on the vulnerability index, they were 6 (six) sub-districts with index IV, 9 (nine) sub-districts with index III, 2 (two) sub-districts with index II. Based on the capacity index, they were 3 (three) sub-districts with index V, 14 (fourteen) sub-districts with index IVKeywords : SIG, flood risk map , insecurity, vulnerability, capacity.
Identifikasi Potensi Erosi Dan Besar Sedimentasi Pada Das Kaiti Bima Saputra; Mudjiatko Mudjiatko; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Change of land use in the Kaiti watershed will influence to surface flow. This surface flow will increase the potential for land erosion and sediment transport capacity. This will have a major impact on the functional life of the Cipogas Lake reservoir. The USLE method is used to estimate erosion that occurs in watersheds with the help of GIS. GIS is used to predict the size of USLE parameters. The results of the analysis show that erosion occuring in the Kaiti river basin classified as heavy class (>480 Tons/Ha/Year) and the erosion potential that will enter the Kaiti reservoir is 216,273.387 tons/yr. Keyword:land erosion, USLE method, GIS, Cipogas lake reservoir
Simulasi Model Fisik Untuk Analisis Karakteristik Gelombang Pecah Pada Pantai Bergambut Milka Novita Manalu; Sigit Sutikno; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The coastal area of Bengkalis Regency, especially the one directly opposite the Malaka Strait has the characteristic of sea waves that are strong enough so that it can suffer quite severe damage such as abrasion and sedimentation. Abrasion and sedimentation on the coast is influenced by the characteristic wave conditions. The purpose of this research is to make a beach modeling to determine the characteristics of breaking waves and to compare the breaking waves on peat, clay and sandy beaches. The method used in this research is wave simulation by making peat beach modeling with scale variations of 2,3,4,5 and 6 on the wave generator. This simulation uses laboratory simulation. The results showed that the height of the breaking waves on a clay beach is 0.017 to 0.034 m, the depth of breaking waves is 0.003 to 0.033 m and the types of breaking waves that occurred were spilling and plunging. The height of the breaking waves of sand material is 0.012 to 0.033 m, the depth of breaking waves is 0.010 to 0.031 m and the types of breaking waves that occurred were spilling and plunging. The height of the breaking waves of the peat material is 0.008 to 0.025 m, the depth of breaking waves is 0.008 to 0.025 m and the types of breaking waves that occurred were spilling and plunging. Keywords : peat, coast, breaking wave
Analisis Perubahan Garis Pantai Pesisir Pantai Dumai Tiurma Monalisa Siahaan; Manyuk Fauzi; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Dumai Coast is directly facing Malacca Strait that its prone to damage. Coastal vulnerability analysis was carried out to know the coastal vulnerability index of Dumai Coast and useful as a first step to cope with the damage.The paper presents a method for integrating Coastal Vulnerability Index (CVI), and Geographic Information system (GIS) technology to map the coastal vulnerability.Emphasize has been made to the method-ological aspect, essentialy which is linked to:The use of GIS technique for constructing, interpolation, filtering, and resampling the data for shoreline gird. This research was conducted on the Coast Dumai along 107 km with the coordinates 101º 0’ 38” - 101º 43’ 33” East Longitude, 01º 26’ 50” - 02º 15’ 40” North Latitude. Coastal vulnerability index is calculated with the value of the physical variables such as shoreline changes, the length and width of the damage, the width of the green belt, wave height, tidal range, land use, and coastal slope. The analysis of satellite imagery is to analyze shoreline changes, the length and width of the damage, the width of the green belt, tidal range, and land use. The hydro-oceanography data is used for tha analysis of wave height and bathymetry data is used for tha analysis of coastal slope. Results of analysis showed that Pelintung Village, Mundam Village, Teluk Pulau Hilir Village, Village Bangko kanan, Basilam Baru Village, and Batu Teritip Village have low coastal vulnerabilty (0 < CVI < 25). Guntung Village and Dumai have moderate coastel vulnerability (25 < CVI < 50)Keywords: Satellite Imagery, Hydro-oceanography, Bathymetry, Coastal vulnerablity Index (CVI). Dumai Coast
Model Laboratorium Gerusan Lokal Pada Pilar Jembatan Tipe Cylinder Grouped Dengan Pengaman Pilar Tipe Tirai Pada Sungai Berbelok Michael Chrisyie Daniel Bintang; Mudjiatko Mudjiatko; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Cylinder grouped pillars on meander experienced hydrodynamic and helicoidal force. Laboratory model with 7 testing variations wich are the test withouth pillars (Fr2Tp), 3 variations without curtains (Fr1P, Fr2P, Fr3P) dan 3 variations using curtains (Fr1Pp, Fr2Pp, Fr3Pp) are used to identify the phenomenon of local scouring of grouped cylinder type pillar with curtain protector on meander. The materials used in this research are Kampar River’s sand passing no.10 shieve with Gs value of 2,66 and grain size of d35 = 0,247 mm; d50 = 0,298 mm; dan d65 = 0,352 mm as well as flume with meander index of 1,009. Shield graphic of subcritical flow with characteristic froude numbers 0,4249; 0,6460; and 0,6981 and reynolds numbers Fr1, Fr2, Fr3 wich are 1658,416 (transition), 3081,683 (turbulence) and 4381,188 (turbulence) showed that the grain moved. The equilibrium of scouring occured on 75th minutes for Fr1 and Fr2, and 150th minutes for Fr3. The bigger of froude number showed helicoidal force that occured was smaller, and the grain size wich is transported was also bigger. The result of this research showed that the curtains can reduce local scouring on Fr1, Fr2, and Fr3 at about 53,33 %, 45,55%, and 60,00% respectively.Keyword : Local Scouring, Cylinder Grouped Pillars, Curtain Protector, Depth Ratio.
Analisa Drainase Untuk Penanggulangan Banjir Menggunakan EPS SWMM (Studi Kasus : Perumahan Mutiara Witayu Kecamatan Rumbai Pekanbaru) M Rizal Zarkani; Bambang Sujatmoko; Rinaldi Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Flood is one of the negative effects that are often encountered during the rainy season. In addition to rain, flooding is also caused by tidal wave and poor management of drainage. Housing area of Mutiara Witayu located at Gotong Royong street Sri Meranti Village District of Rumbai Pekanbaru is an area that is prone to flooding so it is necessary to work on a solution that can cope with flooding. This study aimed to evaluate the capacity of drainage and determine the alternatives to address the problem of flooding. EPA SWMM application version 5.0 is used to evaluate the problems. The results showed that the application of EPA SWMM 5.0 quite reliable to evaluate the channel capacity in order to cope with the flooding. There are 4 simulations which were performed in this study. The simulation results of changing the slope of the channel is able to cope with the flood by 82,635%, simulation by changing the channel dimensions of 0,80,8 m, 1,01,0 m, and 1,01,2 m respectively can to cope with the flood by 89,295 %, 92,915% and 94,797%, while simulation by changing the dimension and slope can to cope with the flood by 100%. Simulations by operating the pump with 6 m3/s discharge is able to dispose the water that goes into the storage pool when the door is operated.Keywords: Flood, Drainage, EPA SWMM 5.0
Analisis Penyebab Keterlambatan Bongkar Muat Barang Akibat Faktor Peralatan (Studi Kasus : Dermaga A Pelabuhan Dumai) Muhammad Safrianda; Rinaldi Rinaldi; Ferry Fatnanta
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Port is defined as the intersection of land and water transportation nodes withloading and unloading activities of goods. The loading and unloading activities requiredecent equipments to support process. Any equipment that fails to function properly willgreatly delay the loading and unloading process in the port.Several factors that affect loading and unloading delay of goods are due to disabledequipment and human error which are classified into technical factors. These technicalfactors include broken equipment and human errors such as pending truck and operatorarrival.Based on the analysis on PT. Antarindo Wahana Cargo, the company that performsthe loading and unloading activities in Dumai Port A, the main factor which contributes tothe delay was broken equipments. The worst idle time that occurs due to the brokenequipments was 0,69% (5 hours) during February 2015. The offered solution to minimizethe idle time due to the broken equipments: 1) periodic maintenance especially for oldequipments, and 2) renting other equipment to replace the broken equipment so theloading and unloading process could be done timely.Keywords : port, idle time, loading and unloading, equipment, broken equipment
Co-Authors Abryan Rakasiwi Ade Nurdin Adri Patria Ganda Adriani, Azmalina Ahmad Ade Kurniawan Akhbar Putra Akhiar Junaidi akhir sabri harahap Alawi Parkindungan Hasibuan Aminuyati Andy Hendri, MT, Andy Annisa Anindya ANNISA HANDAYANI Bambang Sujatmoko Bima Saputra Buchori Buchori Cut Haliza Aklima Darnita, Yulia Dewi, Dian Kharisma Diego Diego Dina Aulia Fitri Doris Ade Widyarti Edison Sagala Elda Ariska Elfariyanti, Elfariyanti Elianora - Ermiyati Ermiyati Ernita Arif Erwin Indirwan Erwin Satria Anugrah Fahrul Rozi Fauzi, Manyuk Fauziah Fauziah Ferry Fatnanta Fitrah Maya Sari Hasugian Fitri Yuniar Handayani Frans Alfredo Hutapea Guntur Eko Saputro Hafidzilhaj Harys Hardiana Hardiana Hilda Febrina Husnah Husnah Ibnu Zafad Mahbubulhaq Imam Suprayogi Indah Fajarwati Ismeddyanto, Ismeddiyanto Jamaluddin Arifin Jeffi Annisa Jelita Simanungkalit Juliana Sugandi Lessy Maretha M Rizal Zarkani Mairiza Mairiza Melani Humairoh Michael Chrisyie Daniel Bintang Milka Novita Manalu Mudjiatko Mudjiatko Muhammad Kusairi Muhammad Randy Alfath Muhammad Safrianda Muhammad Wildan Pahlevi Nadila Safitri Nadira Nadira Nasution, Armin Rahmansyah Niken Astrya Murni Noor Insyiraah Abu Bakar Nuraini Nuraini Nurmalia Zakaria Putri Kemala Dewi Lubis Rafasiro Afriza Rahman Wahidin Miatullah Rahmayati Aprillia Putri Rahmi Surya Dewi Rakhmad Ramadhan Rangga Saputra Pratama Refri Fadillah Reski Daini Ramawilis Roza Wahyuni Rozali Toyib Sarman sarman Sarmiati Sarmiati Setia Dewi Nurza Silviana, Ernita Siswo Pranoto Soni Ade Sudirjo Sukendi Sukendi Sutikno, Sigit SUWITO SUWITO Tegar Efrahim Gilbert Teuku Ichsan Nurrady Tina Andriani Tina Angelia Tiurma Monalisa Siahaan Winny Laura Christina Hutagalung Wirna Rosmely Yan Septian Yohanna Lilis H Yosafat Sijabat Yudha Andestian Yulasni Astri Yulfa Lumbaa Yuliandre Darwis Yuni Dewi Safrida