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Aswar Amiruddin
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INDONESIA
Borneo Engineering: Jurnal Teknik Sipil
Published by Universitas Borneo Tarakan
ISSN : 25811134     EISSN : 26857553     DOI : https://doi.org/10.35334/be.v9i3
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Focus and Scope Borneo Engineering : Structural Engineering, Transportation Engineering, Water Resources, Geotechnical Engineering and Construction Management
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 12 Documents
 1   2 
Search results for , issue "Volume 7 Nomor 1 Tahun 2023" : 12 Documents clear
Efektifitas Penambahan Semen Pada Stabilitas Tanah Lokal Samarinda Syahrul, Syahrul
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.2659

Abstract

Soil stability is the mixing of soil with certain materials, in order to improve the mechanical properties of the soil in order to meet technical requirements, cement stability aims to reduce shrinkage properties and high soil plasticity so as to increase the bearing capacity of the soil. The laboratory test parameters include testing the physical properties of the soil and the mechanical properties of the soil using type I cement with variations in the cement content of 0%, 5%, 10% and 15%. The study was conducted to determine the effectiveness of the percentage addition of cement, laboratory tests stated the effectiveness of stabilizing the addition of cement was 10% with the results of the free compression test of 5.446 kg/cm2 on the unconditioned sample, and 4.76 kg/cm2 of the conditioned for 3 days, the test results CBR was 145.38% without conditioned, and conditioned for 3 days was 141.96%.
Kinerja Pozzolan Glasspowder Pada Karakteristik Mekanis dan Fisis Paving Blok Geopolimer Muhammad Sofyan; Amry Dasar; Ade Okvianti Irlan; Irma Wirantina K; Rr Mekar Ageng Kinasti; Velizar Sujanes; Aswar Amiruddin
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3318

Abstract

  Fly ash merupakan salah satu bahan pozzolan yang diperoleh dari limbah hasil pembakaran batu bara. fly ash pada dasarnya tidak memiliki kemampuan mengikat seperti semen portland. Dibutuhkan larutan aktivator agar fly ash dapat memiliki daya ikat seperti semen portland. Selain fly ash, limbah kaca dari industri maupun rumah tangga dapat diolah untuk dapat dimanfaatkan sebagai material yang dapat memperbaiki kinerja bahan geopolimer karena mengandung  senyawa silica (SiO2) dan zat kapur (CaO) yang cukup signifikan. Penelitian berfokus pada glass powder yang digunakan sebagai subtitusi fly ash pada paving blok geopolimer dengan persentase 0%, 15%, 30%, 45% dan 60%. Kinerja paving blok diuji berdasarakan kuat tekan dan penyerapan air. Pengujian dilakukan pada saat sampel berumur 7 hari. Hasil penelitian menunjukan bahwa nilai kuat tekan optimum terdapat pada paving block geopolymer dengan variasi glass powder 15% dan fly ash 85% yaitu 30,67 MPa yang termasuk paving block mutu B. Penyerapan air terendah terdapat  pada paving block geopolymer variasi glass powder 15%, paving block yang dihasilkan pada penelitian ini adalah paving block dengan mutu B.
Pemetaan Daya Dukung Lingkungan Lahan Basah Desa Tanjung Buka Dalam Penyediaan Air dan Pangan Adi Sutrisno
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3601

Abstract

Changes in land cover caused by development activities carried out by humans have occurred a lot in Indonesia. It can cause a decrease in the carrying capacity of the environment. Therefore, this study aimed to assess the status of the environmental carrying capacity of the Tanjung Buka Village wetland, geographically located at 117°21'0" - 117°40'0" EL and 2°50'0" - 3°0'0" NL, where the land cover has changed many times due to development activities. The status assessment uses an ecosystem service approach with a simple, weighted approach to mathematical modeling, by using landscape, vegetation type, and land cover parameters. The results showed that: (1) The Tanjung Buka Village wetland ecosystem is dominated by the "very low" category (26,968.70 or 62.31%) of its ecosystem services as a provider of fresh water. It means its carrying capacity is "very low" in the fresh water supply, used continuously. At the same time, Food providers tend to be in the "high" category (20,917.47 ha or 48.33%), which means that in general, the carrying capacity of the Tanjung Buka Village wetland environment is "high" as a food provider that is used continuously. It indicated that the Tanjung Buka Village wetland had changed the land cover, becoming secondary mangroves, secondary swamp forests, ponds, open land, built-up land, mixed gardens, and shrubs, so that its carrying capacity becomes “very low” as a provider of fresh water, but in providing food tends to be “high”.
Studi Pemilihan Moda Angkutan Barang Kapal Kayu dan Kapal Fery Rute Kota Tarakan-Kabupaten Tana Tidung Muhammad Djaya Bakri; Septa Utami Dewi; Iif Ahmad Syarif
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3622

Abstract

Tana Tidung Regency as a new autonomous region in North Kalimantan in 2007 resulted in increased interactions between regions in support of the supply of food, and other social needs. Tarakan City is an essential region supporting the Tana Tidung Regency. Currently, public the primary transportation from the Tarakan-Tana Tidung is served by two modes of transportation; Ferry Boats and Wooden Boats. Researchers conducted a study to identify the trends and variables that affect the choice of Tarakan-Tana Tidung freight routes to enhance the performance of primary public transportation. Study used variable freight costs per coli, travel time, the timetable for departure, service convenience, and travel time to the Port of Tengkayu 1 or Juata Ferry Port adapted from the study of transportation mode selection by travelling persons. The survey, in the form of a questionnaire to 170 respondents, used the stated preference method and was conducted with multiple regression analysis to obtain the quantitative relationship between a collection of research variables and respondents to obtain utility and probability by modelling the binomial logit. The research results showed that the discrepancy between the Ferry Boats and Wooden Boats was in balance, with 65% of the patrons choosing the Wooden Boat to support the freight activities. All research variables have been influential in the choice of goods transport mode in the most dominant order, namely goods transportation cost per coli variables, travel time, the timetable for departure, service convenience, and travel time to port. 
Pengaruh Penambahan Lempung Terhadap Sifat Pemadatan dan Kuat Geser Pasir Bergradasi Buruk Marlinda Yamin; Nurly Gofar
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.2919

Abstract

Pasir halus bergradasi buruk diketahui rentan terhadap ketidakstabilan, keruntuhan dan likuifaksi. Oleh karena itu, perbaikan diperlukan untuk meningkatkan sifat pemadatan tanah. Studi ini berfokus pada peningkatan sifat pemadatan dan oleh karena itu kekuatan geser pasir bergradasi buruk. Pasir dicampur dengan lempung plastisitas tinggi 30% hingga 55% dan diuji karakteristik pemadatan dan kekuatan gesernya menggunakan Proctor standar dan peralatan tekan bebas. Hasil penelitian menunjukkan bahwa penambahan lempung 30% mengubah perilaku pasir gradasi buruk tak kohesi yang ditunjukkan dengan batas cair 48,08% dan indeks plastisitas (IP) = 11,29%. Plastisitas tanah meningkat dengan penambahan lempung hingga 55%. Uji Standard Proctor yang dilakukan pada campuran tanah menunjukkan penurunan berat isi kering maksimum (MDD) dan peningkatan kadar air optimum dengan penambahan lempung. Namun, hasil uji kuat tekan bebas menunjukkan peningkatan kohesi tak terdrainase dengan meningkatnya persentase lempung dalam campuran.
Micro-analysis Tanah Ekspansif yang Diperbaiki Secara Kimiawi Anita Setyowati Srie Gunarti; Fajar Prihesnanto
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3078

Abstract

Road construction on expansive soil faces many problems such as deflection, longitudinal cracks, circular cracks and spreading cracks in road construction due to the large nature of swelling and shrinkage. This study aims to identify changes in the mineralogy microstructure and chemical properties of the soil in chemically corrected expansive soils so that solutions for expansive soil improvement are obtained by utilizing local materials based on industrial waste, namely Fly ash and Waste Foundry Sand. The research method is in the form of laboratory experiments, namely Structure Electron Microscope and XRD tests on native soil and soil stabilized with Fly ash and Waste Foundry Sand to analyze mineral structure and chemical changes. The results of the analysis found that the effect of the two types of additives on expansive soils was descriptively significant. The addition of fly ash and WFS to the soil makes the pores and cracks filled with fly ash particles and some form of hydration. After the addition of Fly ash and WFS, ion exchange and pozzolanic reactions from fly ash occur to make the flake and flocculant structure of the soil cement into a crystal or block structure, thereby increasing the compactness and integrity of the soil sample.
Manajemen Risiko Keselamatan dan Lingkungan pada Bendungan Ir. H. Djuanda Jatiluhur Jawa Barat dengan Pendekatan Event Tree Analysis Atmaja, Adit Sri; Sugiarto, Sugiarto; Sukwika, Tatan
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3479

Abstract

Tingkat keasaman Bendungan Ir. H. Djuanda (Jatiluhur) sangat memprihatinkan selama lima tahun terakhir hingga sekarang. Salah satu dampak buruk dari air yang semakin asam adalah dapat menyebabkan korosi pada konstruksi bendungan dan pada akhirnya dapat menimbulkan risiko lingkungan dan keselamatan. Penelitian ini menganalisis manajemen risiko lingkungan dan keselamatan di Bendungan Ir. H. Djuanda. Metode survei menggunakan instrumen checklist dan kuisioner untuk mengumpulkan data. Analisa data faktor penyebab utama keselamatan dan risiko lingkungan bendungan menggunakan kriteria keselamatan struktural meliputi kegagalan struktural hidrolik, dan rembesan. Pengukuran probabilitas risiko dengan analisis pohon kejadian (event tree analysis). Penelitian menghasilkan probabilitas kegagalan: struktural (0,000032614), hidrolis (0,000015), dan rembesan (0,0000155). Evaluasi probabilitas manajemen risiko keselamatan struktural pada Annual Probability of Failure = 0,0006 dengan kategori lebih kecil dari 1x10-4 per tahun (Dapat diterima). Nilai total lost of life 2.499.850 dengan total manfaat yang diharapkan (E(TBt) adalah 0,856 jiwa per tahun. Penelitian ini menyimpulkan bahwa risiko keselamatan dan lingkungan dipengaruhi oleh kegagalan struktural, kegagalan hidrolis, dan kegagalan rembesan. Kondisi eksisting risiko lingkungan dan sosial berkategori “tidak dapat ditoleransi” dimana ada potensi risiko kehilangan harta benda dan mengancam jiwa 2,5 juta penduduk. Oleh karena itu, implikasi manajerialnya adalah pengelola Bendungan Jatiluhur perlu melakukan antisipasi dan pengendalian operasional yang disesuaikan dengan standar ALARP (As Low As Reasonably Practicable).
PENILAIAN RISIKO BENDUNGAN TILONG BERBASIS METODE INDEKS RISIKO Hotma Lamtio Purba; Sukamta Sukamta; Kresno Wikan Sadono
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3003

Abstract

Risk assessment aims to identify risks that may occur in various conditions, so that the necessary action plan can be carried out if the risk is unacceptable. In this study, the value of safety level in Tilong Dam, located at Kupang Regency, NTT is calculated.  The method used in this research is the risk index method. The method is based on a combination of importance of a dam factors, relative importance of physical conditions, and current condition from inspection. The result of this study shows that Tilong Dam has an importance of a dam factors (Idam) was 630, the total index risk was 116,55, and the safety level was 81,5. Tilong dam could be classified as satisfactory condition (safety level75), so that no action plan is needed because it is categorized as safe under normal and extraordinary load conditions.
Evaluasi Penggunaan Fondasi Bore Pile Pada Bangunan Gedung Pelayanan Madrasah Aliyah Negeri Insan Cendekia Bengkulu Tengah Reko Sopiyanto; Yudhia Pratidina Pestalozzi; Edito Dwi Antoro
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.2558

Abstract

Based on data from the Bengkulu Province Bappeda, there were 3,341 buildings collapsed due to the failure of the lower structure (foundation). In the Service Building of Madrasah Aliyah Negeri Insan Cendekia, the foundation used can be considered inefficient. The reason is that the number of foundations is the same at each point even though each point has a different load and floor height. This study aims to evaluate the bearing capacity and the need for bore pile foundations in the Service Building of Madrasah Aliyah Negeri Insan Cendekia using quantitative methods. Based on the calculation of the ultimate bearing capacity (Qu) and allowable bearing capacity (Qizin) of the foundation, obtained (Qu) 208,992 tons, (Qizin) 65, 234 tons (Mayerhoof Method) and (Qu) 208,992 tons, (Qizin) 62,775 tons (Method Guy Sanglerat). The evaluation of the need for foundation piles using the Mayerhof method is the largest at the point of foundation one (P1) 3 foundation piles and the smallest is at the point of foundation five (P5) 1 pile foundation. Based on Guy Sanglerat's method, the largest foundation needs are at foundation points one and two (P1 and P2) 3 foundation piles, the smallest at foundation point five (P5) 1 foundation pile. 
Identifikasi dan Klasifikasi Kerusakan Jalan Menggunakan Teknologi UAV – Quadcopters dengan Parameter Perubahan Tinggi Penerbangan Edy Utomo; Muhammad Djaya Bakri; Iif Ahmad Syarif
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 1 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v1i1.3429

Abstract

Jalan merupakan salah satu media transportasi penting bagi masyarakat Kota Tarakan. Jalan menyediakan aksesibilitas untuk meningkatkan perekonomian dan kegiatan sosial, selain menjaga kesinambungan distribusi barang dan jasa. Kinerja jalan sangat dipengaruhi oleh kondisi perkerasan jalan. Banyak jalan mengalami kerusakan sebelum masa layannya selesai. Oleh sebab itu, identifikasi terhadap kerusakan jalan sangatlah penting untuk dilakukan. Pada perkembangan teknologi saat ini, identifikasi kerusakan jalan dapat dilakukan dengan penerapan teknologi UAV-Quadcopters. UAV atau SPUKTA merupakan pesawat tanpa awak yang mampu memberikan informasi visual dari objek di permukaan bumi. Salah satu tipe UAV adalah Quadcopters atau Drone dengan empat baling-baling. UAV dapat diterbangkan pada beberapa ketinggian yang akan berpengaruh pada resolusi hasil foto udara. Resolusi yang tinggi akan memudahkan proses interpretasi dari kerusakan jalan. Oleh sebab itu, pada penelitian ini dilakukan studi terkait identifikasi dan klasifikasi kerusakan jalan dengan parameter perubahan tinggi terbang UAV. Hasil penelitian menunjukkan bahwa permukaan jalan pada objek penelitian telah mengalami kerusakan sebesar 1,67% dari luas permukaan jalan, dengan tingkat akurasi identifikasi dari klasifikasi kerusakan jalan sebesar 90%. Berdasarkan hal tersebut maka dinyatakan bahwa teknologi UAV dapat digunakan untuk melakukan identifikasi dari kerusakan permukaan jalan.

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