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Program Studi Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan Jl. Amal Lama No.1 Kota Tarakan Kalimantan Utara
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Civil Engineering Scientific Journal
Published by Universitas Borneo Tarakan
ISSN : 29623308     EISSN : 29631335     DOI : https://doi.org/10.35334/cesj.v1i2
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Mechanical Engineering
Civil Engineering Scientific Journal (CESJ) is a scientific journal published by the Civil Engineering Study Program, University of Borneo Tarakan. CESJ is a forum for civil engineering students to publish scientific works, research results, literature, and analytical studies that focus on the field of civil engineering. CESJ published three times a year (January, May, and September). The focus and scope of this journal are structural engineering, concrete & building material, transportation engineering, geotechnical engineering, water resources engineering & coastal engineering, construction engineering & management
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 62 Documents
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PERSEPSI MASYARAKAT TERHADAP TRANSPORTASI UMUM BERBASIS ONLINE DI KOTA TARAKAN Kurnia, Muhammad
Civil Engineering Scientific Journal Vol 3, No 3 (2024): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v3i3.6115

Abstract

ABSTRACT: The development of information technology has had a significant impact on various sectors, one of which is the emergence of application-based transportation modes which are technological innovations to meet people's needs for fast and efficient transportation, especially in the face of declining quality of public transportation. The existence of online transportation services has a positive impact on society in various activities. This research analyzes the public's perception of using online public transportation services in Tarakan City. This research uses a population of consumers who have used online motorcycle taxi services with a sample of 100 respondents selected through an online questionnaire distributed via social media. Respondents have different ages and work backgrounds. The analytical method used is quantitative descriptive, describing data and facts related to public perceptions. The research results show that public perception of the use of online motorcycle taxi services has a significant and positive influence. The success of this transportation service is greatly influenced by the driver's performance in providing services to the public.Keywords: public perception, online based, public transport ABSTRAK: Perkembangan teknologi informasi telah membawa dampak besar dalam berbagai sektor, salah satunya adalah munculnya moda transportasi berbasis aplikasi yang merupakan inovasi dari teknologi untuk memenuhi kebutuhan masyarakat akan transpotasi yang cepat dan efisien, terutama dalam menghadapi penurunan kualitas tranpsortasi umum. Keberadaan layanan transportasi online memberikan dampak positif bagi masyarakat dalam berbagai aktivitas. Penelitian ini bertujuan untuk menganalisis persepsi masyarkat terhadap penggunaan layanan tranpsortasi umum berbasis online di Kota Tarakan. Penelitian ini menggunakan populasi konsumen yang telah menggunakan layanan ojek online dengan sampel sebanyak 100 responden yang dipilih melalui kuisioner online yang disebar melalui media sosial. Responden memilki latar belakang usia dan pekerjaan yang berbeda. Metode analisis yang digunakan adalah deskriptif kuantitatif, yang bertujuan untuk menggambarkan data dan fakta terkait persepsi masyarakat. Hasil penelitian menunjukkan bahwa persepsi masyarakat terhadap penggunaan layanan ojek online memiliki pengaruh yang signifikan dan positif. Kesuksesan layanan transportasi ini sangat dipengaruhi oleh kinerja pengemudi dalam memberikan pelayanan kepada masyarakat.Kata kunci: persepsi masyarakat, berbasis online, transportasi umum
REVIEW DESAIN STRUKTUR PORTAL BAJA KONSTRUKSI PASAR KOTA TARAKAN Pongsinoran, Regina; Utomo, Edy
Civil Engineering Scientific Journal Vol 3, No 3 (2024): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v3i3.5755

Abstract

ABSTRACT: The construction of a steel portal structure (gable frame) is one of the market buildings in Tarakan City that uses steel structure construction. Naturally, components that support the strenght of the structure include rafters, columns, beams, curtains, base plates, and welded bolt connections. Since the strength factor is the primary consideration when planning a building structure, its is necessary to review the strength of capacity of the steel portal structure in accordance with SNI 1729:2020, SNI 1727:2020, and SNI 1726:2019. The three-dimensionally modelled SAP2000 version 23 program helped with the steel portal structure study. One of the structural components, the curtains, provides dangerous recommendations for bending forces and deflections, according to the findings of the structural capacity loading design analysis. But because the real operating load is lower than the SNI 1727:2020 design load, the curtains are still safe under actual circumstances. Thus, a proposal for the same curtain profile shape with a different geometry is provided based the loading design requirements.Keywords: Construction, Market, Steel Portal Structure ABSTRAK: Salah satu bangunan pasar di Kota Tarakan yang menggunakan konstruksi struktur baja adalah Pasar Kota Tarakan. Konstruksi tersebut adalah konstruksi struktur portal baja (gable frame), yang tentunya memiliki komponen-komponen yang berperan dalam menunjang kekuatan strukturnya, seperti rafter, kolom, balok, gording, base plate dan sambungan baut las. Faktor kekuatan merupakan hal yang utama dalam perencanaan suatu struktur gedung, sehingga perlu dilakukan suatu review terhadap kekuatan atau kapasitas dari struktur portal baja tersebut sesuai SNI 1729:2020, SNI 1727:2020, SNI 1726:2019. Dalam analisis struktur portal baja ini dibantu dengan aplikasi SAP2000 versi 23, yang dimodelkan dengan 3-dimensi. Berdasarkan hasil analisis kapasitas struktur yang telah dilakukan yang mengacu pada ketentuan analisis desain pembebanan SNI 1727:2020, menunjukkan bahwa salah satu komponen struktur yaitu gording memberikan rekomendasi yang tidak aman terhadap gaya lentur dan juga lendutan. Akan tetapi, pada kondisi aktualnya, gording masih dalam kondisi yang aman dikarenakan beban aktual yang bekerja lebih kecil dibandingkan dengan beban desain SNI 1727:2020. Sehingga, berdasarkan ketentuan desain pembebanan diberikan rekomendasi bentuk profil gording yang sama dengan geometri yang berbeda.Kata kunci: Baja, Konstruksi, Pasar, Struktur Portal Baja
PENGARUH PENGGUNAAN FLY ASH DAN BOTTOM ASH TERHADAP CAMPURAN BETON ASPAL LAPIS PONDASI (AC-BASE) Adhima, Nur Fauziah; Syarif, Iif Ahmad
Civil Engineering Scientific Journal Vol 3, No 3 (2024): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v3i3.6190

Abstract

ANALISIS KARAKTERISTIK SEDIMEN BERDASARKAN BUTIR SEDIMEN PADA KAWASAN SUNGAI SELOR ATAU SUNGAI BUAYA DI KABUPATEN BULUNGAN Singal, Rachel Zandra; Maharani, Larasati Nur
Civil Engineering Scientific Journal Vol 4, No 1 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i1.6307

Abstract

ABSTRACT: Based on field observations, Sungai Buaya/Sungai Selor has a problem, namely sediment piles where the sediment piles are overgrown with water hyacinth and other aquatic plants, thus inhibiting the flow of river water. As a result, the river does not function properly. The formulation of the problem in this study is how are the characteristics of sediment grains in the waters of Sungai Selor/Sungai Buaya. The purpose of the study was to determine the size of sediment grains, the shape of sediment grains and the specific gravity of sediment grains in the waters of Sungai Selor/Sungai Buaya. The method used in this study was to take samples in the field by random sampling at 6 points in the location of Sungai Selor/Sungai Buaya. Sediment characteristic analysis was conducted in the laboratory, namely testing the size of sediment grains using the sieve analysis method in accordance with the ASTM D 422 standard, determining the shape of sediment grains using a microscope and testing the specific gravity of sediment based on SNI 1964: 2008. The results of the analysis showed that the type of sediment in the Selor River/Buaya River consisted of coarse sand with a grain size of 0.850 mm and medium sand with a size between 0.250 mm - 0.425 mm. The shape of sediment grains that dominate the waters of the Selor River or Buaya River is sub-angular with high sphericity, angular with medium sphericity; sub-rounded with medium sphericity; rounded with high sphericity; rounded with low sphericity. The specific gravity test that has been carried out obtained the results of the specific gravity of sediment in the Selor River/Buaya River between 2.128 - 2.609.Keywords: Sediment Characteristics, Sediment Grain Size, Sediment Form, Sediment Specific Gravity, Selor River/Buaya River. ABSTRAK: Berdasarkan pengamatan di lapangan bahwa Sungai Buaya/Sungai Selor memiliki permasalahan yaitu tumpukan sedimen dimana tumpukan sedimen itu ditumbuhi enceng gondok dan tanaman air lainnya,  sehingga menghambat aliran air sungai. Akibatnya sungai tidak berfungsi dengan baik. Rumusan masalah pada penelitian ini adalah bagaimana karakteristik butir sedimen pada perairan  Sungai Selor/Sungai Buaya. Tujuan penelitian adalah untuk mengetahui ukuran butir sedimen, bentuk butir sedimen dan berat jenis butir sedimen di perairan Sungai Selor/Sungai Buaya. Metode yang digunakan pada penelitian ini adalah dengan pengambilan sampel di lapangan dengan cara random sempling pada di 6 titik di lokasi Sungai Selor/Sungai Buaya. Analisa karakteristik sedimen dilakukan di laboratorium yaitu pengujian ukuran butir sedimen dengan menggunakan dengan metode analisa saringan yang sesuai dengan standar ASTM D 422, penentuan bentuk butir sedimen dilakukan menggunakan mikroskop dan pengujian berat jenis sedimen dilakukan berdasarkan SNI 1964 : 2008. Hasil analisa didapatkan jenis  sedimen di Sungai Selor/Sungai Buaya terdiri dari pasir kasar dengan ukuran butir 0,850 mm dan pasir sedang dengan ukuran antara 0,250 mm – 0,425 mm. Bentuk butir sedimen yang mendominasi perairan Sungai Selor atau Sungai Buaya adalah berbentuk menyudut tanggung dengan kebulatan tinggi (sub-angular with high sphericity berbentuk menyudut dengan kebulatan sedang (angular with medium sphericity); berbentuk membundar tanggung dengan kebulatan sedang (sub-rounded with medium sphericity); berbentuk membundar dengan kebulatan tinggi (rounded with high sphericity); berbentuk membundar dengan kebulatan rendah (rounded with low sphericity). Uji berat jenis yang telah dilakukan mendapatkan hasil berat jenis sedimen di Sungai Selor/Sungai Buaya antara 2.128 – 2,609.Kata kunci: Karakteristik Sedimen, Ukuran Butir Sedimen, Bentuk Sedimen, Berat Jenis Sedimen, Sungai Selor/Sungai Buaya
SIMULASI HIDRAULIK ELEVASI MUKA AIR SALURAN RAWASARI MENGGUNAKAN HEC-RAS Amiruddin, Aswar; Widiyanti, Aneza Ferdani
Civil Engineering Scientific Journal Vol 4, No 1 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i1.4951

Abstract

The Rawasari Channel is one of the channels in the West Tarakan Subdistrict that supplies water for the availability of water in the city of Tarakan. However, the Rawasari Channel sometimes experiences overflow during high rainfall intensity. The purpose of this research is to determine the water level in the Rawasari Channel through hydraulic simulation using HEC-RAS software. The repeated flood discharge periods used as parameters for this research are 50 years and 100 years, calculated using the Rational method. The flood discharge analysis results using the Rational method for a 50-year recurrence period are 21,098 m3/s, and for a 100-year recurrence period, it is 21,399 m3/s. Based on the HEC-RAS simulation, there is no significant difference in water surface elevations due to the 50 and 100-year floods. From the HEC-RAS simulation, it is also known that due to the flood discharge of 50 and 100 years, overflow occurs in the Rawasari Channel at stations STA 350, 325, 300, 150, and 125. The water surface elevation due to the 50-year flood at STA 350 is 20.38 m, and for STA 300, the water surface elevation for the 50-year flood is 20.29 m. The elevation of the land surface around STA 350 and STA 300 ranges from 19.99 m to 20.19 m, so the height of the inundation due to the overflow of the Rawasari Channel is known to be between 11 cm and 30 cm.
ANALISIS HIRAULIKA TAMPUNGAN SUNGAI SESANIP KOTA TARAKAN SEBAGAI SUMBER CADANGAN AIR BAKU Handayani, Rosmalia; Asta, Asta; Hakim, Hasyim Lukman
Civil Engineering Scientific Journal Vol 4, No 2 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i2.6615

Abstract

ABSTRACT: Tarakan is an area that does not have a source of raw water so that it uses rainfall for raw water needs for the population, and vice versa, when the city of Tarakan is subjected to heavy rain, it will experience flooding in several places with low elevation so that a long storage hydraulic study on the Sesanip River needs to be done.   This study aims to examine the long storage hydraulics of the Sesanip River as a source of raw water reserves. Long storage is a water structure that is one of the efforts to accommodate and distribute domestic rainwater runoff with a large discharge. To conduct a study study on the long storage of the Sesanip River, the HEC-RAS program is needed so that it can model the flow front in the long storage, if there is a flood overflow that crosses the height limit of the cross section of the embankment, then redesign is done by excavating the soil and then reassessing it using HEC-RAS. so that the long storage section does not experience flood overflow  From the results of a long storage study using a rational method for a 5-year return period, a discharge of 135,515 m3 / second was obtained, in the HEC-RAS program a simulation of water flow in a long storage length of 780 m with a total station of 156 sections of long storage occurred. flood outflow along 200 m from upstream to mid-downstream with many stations, namely 56 long storagesections.Keywords: Long Storage, Raw Water, Hydraulics, Rational Methods, Simulation, Cross-section, HEC-RAS, Discharge  ABSTRAK: Tarakan merupakan daerah yang tidak memiliki sumber air baku sehingga memanfaatkan curah hujan untuk kebutuhan air baku bagi penduduk, dan sebaliknya Kota Tarakan ketika diguyur hujan yang deras akan mengalami banjir di beberapa tempat yang elevasi datarannya rendah sehingga studi kajian hidraulika long storage pada Sungai Sesanip perlu dilakukan.Penelitian ini bertujuan untuk mengkaji hidraulika long storage Sungai Sesanip sebagai sumber cadangan air baku. Long storage merupakan bangunan air yang menjadi salah satu upaya untuk menampung serta ,menyalurkan limpasan air hujan domestik dengan debit yang besar. Untuk melakukan kajian studi pada long storage Sungai Sesanip diperlukan program HEC-RAS agar dapat memodelkan muka aliran  pada long storage, jika terjadi luapan banjir yang melewati batas ketinggian tanggul penampang, maka dilakukan desain ulang dengan pekerjaan galian tanah kemudian di kaji lkembali menggunakan HEC-RAS hingga penampang long storage tidak mengalami luapan banjir.Dari hasil kajian long storage menggunakan metode rasional untuk periode kala ulang 5 tahun di dapatkan debit sebesar 135.515 m3/detik, pada program HEC-RAS dilakukan simulasi aliran air pada long storage sepanjang 780 m dengan dengan total stasiun sebanyak 156 penampang long storage, dan terjadi luapan banjir sepanjang 200 m dari titik hulu menuju pertengahan hilir dengan banyak stasiun yaitu 56 penampang long storage.Kata Kunci: Long Storage,   Air Baku,   Hidraulika,   Metode Rasional, Simulasi, Penampang, HEC-RAS, Debit
ANALISIS KAPASITAS SALURAN PADA DRAINASE JALAN IMAM BONJOL KELURAHAN PAMUSIAN DENGAN STORM WATER MANAGEMENT MODEL (SWMM) Zunifa, Afara; Amiruddin, Aswar
Civil Engineering Scientific Journal Vol 4, No 2 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i2.6252

Abstract

An effective drainage system in urban areas is essential to manage flooding caused by heavy rainfall. Inadequate drainage channels cannot accommodate excess water, leading to water stagnation and other negative impacts. Therefore, calculating the design flood discharge and designing drainage channels with sufficient capacity are crucial for stormwater management. This study aims to evaluate the capacity of existing drainage systems to handle design flood discharge and to design new drainage dimensions that can accommodate the largest discharge. The analysis shows that most existing drainage channels are unable to accommodate the design discharge (Qt) for return periods of 10, 20, 50, and 100 years, as the channel discharge (Qs) is smaller than the design discharge. Simulations using the Storm Water Management Model (SWMM) identified critical points at Junction 4 and Junction 10, where overflow occurs due to excess channel capacity. As a solution, new drainage dimensions were designed. A rectangular channel with a bottom width of 1.2 meters and a height of 1 meter can carry the discharge without overflow for a 100-year return period. Meanwhile, a trapezoidal channel with a bottom width of 0.25 meters, a height of 0.8 meters, and a side slope of 0.618 meters is also effective in accommodating the design discharge without overflow. This study recommends increasing the drainage capacity at critical points to reduce the risk of water stagnation
ANALISIS KEBUTUHAN AIR BERSIH IPA KAMPUNG BUGIS PADA DAERAH PESISIR KARANG REJO DAN KARANG ANYAR PANTAI KOTA TARAKAN Asta, Asta; Desrianingsih, Desrianingsih
Civil Engineering Scientific Journal Vol 4, No 2 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i2.6616

Abstract

ABSTRACT: Tarakan City is one of the developing cities with a population density reaching 968 people/km2. With the increase in population that continues to increase every year, it causes an increase in the use of clean water. Water is a very important need for the life of living things, therefore the water consumed must meet health requirements including chemical, biological, and physical requirements based on the reference of the Indonesian Minister of Health Regulation. This study aims to determine water quality and aims to determine the need for clean water for the Bugis Village IPA in Tarakan City, especially for the Karang Anyar Village and Karang Anyar Pantai Village areas. Based on the results of water quality analysis for physical parameters (color, odor, taste, temperature, turbidity, dissolved solids) and chemical parameters (pH (acidity), nitrite, hardness, iron (Fe), sulfate (SO4), chloride (Cl)), it shows that the water samples meet the quality standards set by the Minister of Health. The total clean water requirement in 2022 for the Karang Anyar Village area is 40,018 lt/sec and for the Karang Anyar Pantai Village it is 25,157 lt/sec. The total clean water requirement will increase every year until 2031 for the Karang Anyar Village it is 51,411 lt/sec while for the Karang Anyar Pantai Village it is 36,922 lt/sec.Keywords: Long Storage, Raw Water, Hydraulics, Rational Methods, Simulation, Cross-section, HEC-RAS, Discharge  ABSTRAK: Kota Tarakan merupakan salah satu kota yang berkembang dengan kepadatan penduduk mencapai sebesar 968 jiwa/km2. Dengan terjadinya penambahan jumlah penduduk yang setiap tahunnya terus meningkat sehingga menyebabkan terjadinya peningkatan penggunaan akan air bersih. Air merupakan kebutuhan yang sangat penting untuk kehidupan makhluk hidup oleh karena itu air yang dikonsumsi harus memenuhi persyaratan kesehatan yang meliputi persyaratan kimia, biologi, dan fisika dengan berdasarkan acuan Permenkes RI. Pada penelitian ini untuk menentukan kualitas air dan bertujuan untuk menentukan kebutuhan air bersih IPA Kampung Bugis Kota Tarakan khususnya untuk wilayah Kelurahan Karang Anyar dan Kelurahan Karang Anyar Pantai. Berdasarkan hasil analisis kualitas air untuk parameter fisika (warna, bau, rasa, suhu, kekeruhan, zat padat terlarut) dan parameter kimia (pH (derajat keasaman), nitrit, kesadahan, besi (Fe), sulfat (SO4), klorida (Cl)) menunjukkan bahwa sampel air memenuhi standar baku mutu yang ditetapkan oleh permenkes. Total kebutuhan air bersih pada tahun 2022 untuk wilayah Kelurahan Karang Anyar sebesar 40,018 lt/dtk dan untuk Kelurahan Karang Anyar Pantai sebesar 25,157 lt/dtk. Total kebutuhan air bersih tersebut akan mengalami peningkatan setiap tahunnya hingga di tahun 2031 untuk Kelurahan Karang Anyar sebesar 51,411 lt/dtk sedangkan untuk wilayah Kelurahan Karang Anyar Pantai sebesar 36,922 lt/dtk.Kata Kunci: IPA Kampung Bugis, Kualitas Air,  Kebutuhan Air
APLIKASI WebGIS UNTUK VISUALISASI KEKASARAN PERMUKAAN JALAN: PENINGKATAN MANAJEMEN INFRASTRUKTUR DAN PENGAMBILAN KEPUTUSAN Mansur, Achmad Zultan; Bagaskara, Johan Putra
Civil Engineering Scientific Journal Vol 4, No 2 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i2.6564

Abstract

ABSTRACT: Road infrastructure is crucial in supporting economic growth and community mobility. Good road conditions are essential for comfort, safety, and transportation efficiency. However, road damage is a common problem, including on Jalan P. Aji Iskandar, Juata Laut, Tarakan, and North Kalimantan. This research aims to develop a WebGIS application to visualize road surface roughness, hoping to improve infrastructure management and decision effectiveness. Road damage in Tarakan is exacerbated by the increase in heavy truck traffic related to the construction of PT Phoenix Resources International’s pulp mill, as identified in the Environmental Impact Analysis (EIA). Therefore, monitoring road conditions is essential. This study measures the International Roughness Index (IRI) as an indicator of road roughness, and IRI data is processed and integrated into WebGIS. The developed WebGIS application presents spatial visualization of road roughness through colour representation to facilitate the identification of improvement areas, detailed information on IRI values per segment, and query and data analysis features. The utilization of WebGIS offers the advantages of accessibility, interactivity, and the ability to display complex spatial data intuitively. The study results show the effectiveness of WebGIS applications in mapping and visualizing the roughness of the road surface. This information can be used by relevant parties, such as local governments and public works offices, to plan road maintenance efficiently and data-driven. It is hoped that this can improve the quality of road infrastructure in Tarakan, reduce the negative impact of industrial development, and improve the safety and comfort of road users. The development of this application also opens up opportunities for further research related to integrating other data, such as traffic data and visual road damage. Keywords: Road Infrastructure, Road Damage, WebGIS, Road Surface Roughness, Infrastructure Management ABSTRAK: Infrastruktur jalan krusial dalam mendukung pertumbuhan ekonomi dan mobilitas masyarakat. Kondisi jalan yang baik esensial untuk kenyamanan, keselamatan, dan efisiensi transportasi. Namun, kerusakan jalan adalah masalah umum, termasuk di Jalan P. Aji Iskandar, Juata Laut, Tarakan, Kalimantan Utara. Penelitian ini bertujuan mengembangkan aplikasi WebGIS untuk visualisasi kekasaran permukaan jalan, dengan harapan meningkatkan manajemen infrastruktur dan efektivitas keputusan. Kerusakan jalan di Tarakan diperparah oleh peningkatan lalu lintas truk berat terkait pembangunan pabrik pulp PT Phoenix Resources International, seperti yang teridentifikasi dalam Analisis Mengenai Dampak Lingkungan (AMDAL). Oleh karena itu, pemantauan kondisi jalan menjadi penting. Penelitian ini mengukur International Roughness Index (IRI) sebagai indikator kekasaran jalan, dan data IRI diolah serta diintegrasikan ke WebGIS. Aplikasi WebGIS yang dikembangkan menyajikan visualisasi spasial kekasaran jalan melalui representasi warna untuk memudahkan identifikasi area perbaikan, informasi detail nilai IRI per segmen, serta fitur query dan analisis data. Pemanfaatan WebGIS menawarkan keunggulan aksesibilitas, interaktivitas, dan kemampuan menampilkan data spasial kompleks secara intuitif. Hasil penelitian menunjukkan efektivitas aplikasi WebGIS dalam memetakan dan memvisualisasikan kekasaran permukaan jalan. Informasi ini dapat digunakan oleh pihak terkait, seperti pemerintah daerah dan dinas pekerjaan umum, untuk merencanakan pemeliharaan jalan secara efisien dan berbasis data. Diharapkan hal ini dapat meningkatkan kualitas infrastruktur jalan di Tarakan, mengurangi dampak negatif pembangunan industri, serta meningkatkan keselamatan dan kenyamanan pengguna jalan. Pengembangan aplikasi ini juga membuka peluang penelitian lanjutan terkait integrasi data lain seperti data lalu lintas dan kerusakan jalan visual.Kata kunci: Infrastruktur Jalan, Kerusakan Jalan, WebGIS, Kekasaran Permukaan Jalan, Manajemen Infrastruktur
ANALISIS ANGKUTAN SEDIMEN DASAR (BED LOAD) PADA SUNGAI SELOR DI KECAMATAN TANJUNG SELOR KABUPATEN BULUNGAN Singal, Rachel Zandra; Nur, Mardhawiah
Civil Engineering Scientific Journal Vol 4, No 2 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i2.6626

Abstract

ABSTRACT: Selor River is 6.7 km long, which passes through Buluh Perindu and Tanjung Rumbia areas in Kelurahan Tanjung Selor Hilir. The condition of Selor River is mostly sediment accumulation in several parts of the Selor River flow. The sedimentation problem that occurs continuously will cause shallowing which will affect the reduction in the flow capacity of the Selor River. The purpose of this study was to determine the bed load in the Selor River flow. Sediment data collection in the Selor River flow at four points using the purposive random sampling method. Sediment sampling at these four points was to fulfill the factors for sedimentation formation and to represent sediment conditions along the Selor River flow. Analysis of the large bed sediment load using the Mayer Petter Muller method using measurement data on one wet cross-section, average water depth, average speed, river bed slope and bed sediment grain diameter for bed sediment calculations. The sampling of bottom sediment was continued with sample testing at the Bina Marga DPUPR Kabupaten Bulungan laboratory, obtained data on sediment water content, sediment specific gravity and sieve analysis, resulting in a large bottom sediment grain diameter of D90 and from the sieve analysis it was produced that the diameter of grains passing sieve No. 4 (4,750 mm) was 98.4%; passing sieve No. 90 (0.175) was 23.33%. The results of the analysis of the large load of bottom sediment transport in the Selor River in the form of a bottom sediment discharge in a period of one day of 5.9616 Tons/day, a bottom sediment discharge in a period of one year of 2,175.984 Tons/year. Keywords: Bed Load Sediment, Sedimentation, Debit Sediment, Selor River, Mayer Petter Muller. ABSTRAK: Sungai Selor memiliki panjang 6,7 Km, yang melewati daerah Buluh Perindu dan Tanjung Rumbia wilayah Kelurahan Tanjung Selor Hilir. Kondisi Sungai Selor sebagian besar terjadi penumpukan sedimen pada beberapa bagian aliran Sungai Selor. Permasalahan sedimentasi yang terjadi tersebut secara terus menerus akan menyebabkan pendangkalan yang berpengaruh terhadap penurunan kapasitas aliran sungai Selor. Tujuan dari penelitian ini adalah untuk mengetahui debit sedimen dasar (bed load) pada aliran Sungai Selor. Pengambilan data sedimen di aliran Sungai Selor pada empat titik dengan metode pengambilan data adalah menggunakan metode purposive random sampling. Pengambilan sampel sedimen pada empat titik ini adalah untuk  memenuhi faktor- faktor terbentuknya sedimentasi dan dapat mewakili kondisi sedimen sepanjang aliran Sungai Selor. Analisis besar muatan sedimen dasar dengan mengunakan metode Mayer Petter Muller dengan menggunakan data ukur pada satu penampang basah, kedalaman air rata-rata, kecepatan rata-rata, kemiringan dasar sungai dan diameter butiran sedimen dasar (bed load) untuk perhitungan sedimen dasar (bed load). Pengambilan sampel sedimen dasar dilanjutkan dengan pengujian sampel di laboratorium Bina Marga DPUPR Kabupaten Bulungan diperoleh data kadar air sedimen, berat jenis sedimen dan analisa saringan, dihasilkan besar sedimen dasar diameter butiran D90 dan dari analisa saringan dihasilkan diameter butiran lolos saringan No.4 (4,750 mm) adalah 98,4% ; lolos saringan No.90 (0,175) adalah 23,33%. Hasil analisis besar muatan angkutan sedimen dasar pada sungai Selor berupa debit sedimen dasar dalam jangka waktu satu hari sebesar 5,9616 Ton/hari, debit sedimen dasar dalam jangka waktu satu tahun sebesar 2.175,984 Ton/tahun.Kata kunci: Sedimen Dasar, Sedimentasi, Debit Sedimen, Sungai Selor, Mayer Petter Muller.

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