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All Journal Jurnal Teknik Sipil Borneo Engineering: Jurnal Teknik Sipil Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Journal of Research and Inovation in Civil Engineering as Applied Science Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil Journal of Green Science and Technology
Purnomo, Julyan
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Environmental Science Transportation Other

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The Effect of Adding Wire Mesh on the Compressive Strength of Concrete Using Peat Water and Sea Water Faisal, M.Hanif; Kamil, Firmanilah; Purnomo, Julyan
Journal of Green Science and Technology Vol 10 No 1 (2026): Journal of Green Science and Technology Vol. 10 No.1 March 2026
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v10i1.10884

Abstract

Concrete is a widely used construction material due to its strength and durability, but its quality is greatly influenced by its constituent materials and the environment. In West Kalimantan, people use scrap wire from building demolition as an additive in concrete, while clean water is limited, so peat water or seawater is often used as a mixer. This study aims to determine the effect of wire mesh usage and mixing water type on concrete compressive strength at 7, 14, and 28 days. Test specimens in the form of cubes were made with variations: normal concrete (clean water), concrete with peat water, concrete with seawater, and concrete with 1% wire mesh added to each type of water, and compressive strength testing was conducted using a compression testing machine. The results showed that peat-water concrete achieved the highest strength (119.50, 207.37, and 247.73 kg/cm² at 7, 14, and 28 days), seawater concrete produced the lowest (92.87, 182.27, and 225.90 kg/cm²), and the addition of 1% wire mesh increased early-age strength up to 186.57 kg/cm² at 7 days but its effect diminished at later ages. Thus, the type of mixing water plays a dominant role in concrete quality, while steel tie wire  is more effective in increasing strength during the early stages of hardening.
Tinjauan Ulang Struktur Pelat Lantai Jembatan Girder di Desa Kepuluk Kecamatan Sungai Melayu Rayak Novelia, Risma; Purnomo, Julyan; Aida, Nur
Borneo Engineering: Jurnal Teknik Sipil Volume 9 Nomor 1 Tahun 2025
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v9i1.24

Abstract

Telah dilaksanakan pembangungan jembatan girder dengan profil I di Desa Kepuluk Kecamatan Sungai Melayu Rayak. Kabupaten Ketapang, sebagai salah satu alternatif dalam meningkatkan infrastruktur daerah yang baik. Pelat lantai jembatan menjadi dalah satu bagian penting karena menerima beban secara langsung baik beban hidup maupun beban mati. Oleh karena itu, dilakukan tinjauan ulang pada pelat lantai jembatan untuk mengetahui apakah terdapat perbedaan antara perencanaan dan pelaksanaan di lapangan. Tujuan penelitian ini yaitu untuk mengetahui beban maksimum yang bekerja, mengetahui momen yang terjadi, dan mengetahui desain struktur pelat lantai jembatan. Data dimensi jembatan dan data lalu lintas harian rata-rata menjedi data primer, sedangkan data faktor pembebanan pelat lantai jembatan, tabel jenis tumpuan, dan as built drawing menjadi data sekunder. Hasil perhitungan struktur pelat lantai diperoleh beban maksimum yang bekerja sebesar 6,57 kN/m2 pada alternatif 1 dan 2, nilai momen yang terjadi dari beban maksimum terdiri dari tipe VI A, III, II, dan VI B, serta dari perhitungan tulangan 16 mm arah lapangan x dan y memiliki jarak 250 mm dan tulangan berdiameter 13 mm arah tumpuan x memiliki jarak 120 mm dan y memiliki jarak 230 mm, sedangkan untuk penggunaan di lapangan diameter 16 mm dan 13 mm memiliki jarak 150 mm yang masih termasuk kategori aman karena tidak melebihi nilai kontrol tulangan.  
Potensi Pemanfaatan Limbah Industri Sebagai Material Konstruksi Berkelanjutan: Kajian Tailing Bauksit, Red Mud, Fly Ash, dan Bottom Ash Purnomo, Julyan; Kamil, Firmanilah
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 14 No 1 (2026): Jurnal Konstruksi dan Infrastruktur Vol 14 No.1 : April 2026
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v14i1.10833

Abstract

Ketapang Regency, West Kalimantan, is one of the regions with intensive industrial activity, particularly bauxite mining and coal-fired power plants (CFPPs), which generate large amounts of industrial waste such as bauxite tailings, red mud, fly ash, and bottom ash. To date, most of this waste has not been optimally utilized and has the potential to cause environmental issues. This study aims to conduct basic physical characterization of the four types of waste and assess their potential for utilization in concrete construction for sustainable transportation infrastructure. The methodology employed includes testing for moisture content, particle size distribution, bulk density, specific gravity, water absorption, and clay content. Test results indicate that fly ash exhibits pozzolanic properties, bauxite tailings have potential as an alternative fine aggregate, bottom ash approaches sand gradation though it requires preliminary treatment, while red mud is more suitable for use as a filler or cement substitute in limited quantities after chemical stabilization. These findings indicate that the utilization of industrial waste in Ketapang can serve as a strategic solution in supporting environmentally friendly infrastructure development while reducing dependence on conventional natural resources.
Co-Authors Alan Putranto Anggreni, Sri Faisal, M.Hanif Hanif Faisal, Muhammad Harahap, Saima Putrini R Iswandi, Agung Jayawarsa, A.A. Ketut Kalsum, Syf Umi Kamil, Firmanilah Kamil, Firmanillah Khairul Muttaqin, Khairul Kurnila, Nely Larasati, Chindy Mastura, Syf Mastura, Syf. Novelia, Risma Nur Aida Nur Aida, Nur Putrini R. Harahap, Saima Putrini, Saima Rabiya, Rabiya Ravi, Ahmad Rosalia, Devi Suratmin Suryansyah, Suryansyah Umi Kalsum, Syf. ‘Ain, Hurul