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Noerman Adi Prasetya
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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 2 Documents
 1 
Search results for , issue "vol 5, no 1 (2026): civil engineering scientific journal" : 2 Documents clear
PENGARUH SUBSTITUSI VARIASI FLY ASH TERHADAP KUAT TEKAN BATA RINGAN FOAM AGENT CLC (CELLULAR LIGHTWEIGHT CONCRETE) Chelsea Chelsea; Erwin Sutandar; Asep Supriyadi
Civil Engineering Scientific Journal Vol 5, No 1 (2026): 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.v5i1.7308

Abstract

ABSTRACT: The West Kalimantan region is dominated by low-bearing capacity peatlands and soft soils, which means that heavy construction loads have the potential to cause significant land subsidence and building cracking. Therefore, lighter structural solutions are needed to reduce the load on the ground. One alternative is the use of CLC (Cellular Lightweight Concrete) bricks, which are made from a mixture of cement, sand, water, and foam agent as the main construction material. The research method used experimental studies at the Materials and Construction Laboratory of Tanjungpura University. The results of this study show that fly ash substitution increases the compressive strength of lightweight bricks by 9,218% at a substitution variation of 4%; 18,244% at a variation of 8%; 29,036% at a variation of 12%; and then decreased again but remained higher by 3,765% at a variation of 17%. The optimum substitution was found to be 9.5% fly ash. This type of fly ash substitution has been proven to improve the performance of CLC lightweight bricks.Keywords: Fly ash; CLC lightweight brick; Compressive strength; Optimum variation ABSTRAK: Wilayah Kalimantan Barat didominasi oleh lahan gambut dan tanah lunak dengan daya dukung rendah, sehingga beban konstruksi yang besar berpotensi menyebabkan penurunan tanah signifikan dan risiko keretakan bangunan. Oleh karena itu, diperlukan solusi struktural yang lebih ringan guna mengurangi beban terhadap tanah. Salah satu alternatifnya adalah penerapan bata ringan CLC (Cellular Lightweight Concrete) yang terbuat dari campuran semen, pasir, air, dan foam agent sebagai material utama konstruksi. Metode penelitian menggunakan studi eksperimental di Laboratorium Bahan dan Konstruksi Universitas Tanjungpura, hasil penelitian ini menunjukkan bahwa substitusi fly ash meningkatkan kuat tekan bata ringan sebesar 9,218% pada variasi 4% substitusi; 18,244% pada variasi 8%; 29,036% pada variasi 12%; dan kembali mengalami penurunan namun tetap lebih tinggi sebesar 3,765% pada variasi 17%. Substitusi optimum terjadi pada penambahan 9,5% fly ash. Substiusi fly ash jenis ini terbukti meningkatkan kinerja bata ringan CLCKata kunci: Abu terbang; Bata Ringan CLC; Kuat Tekan; Variasi Optimum
EVALUASI KAPASITAS RUAS JALAN TERHADAP KINERJA PELAYANAN JALAN (STUDI KASUS: RUAS JALAN P. DIPONEGORO KOTA TARAKAN) Kurnia, Muhammad; Handayani, Ririn; Rukiah, Siti; Silvana, Yeti
Civil Engineering Scientific Journal Vol 5, No 1 (2026): 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.v5i1.7345

Abstract

ABSTRACT: Road safety in school areas is a crucial aspect in supporting safe student mobility, particularly in developing cities such as Tarakan City. Diponegoro Road is one of the corridors with high traffic activity and intense interaction between motorized vehicles and pedestrians, especially during school arrival and dismissal hours. This study aims to evaluate traffic performance and examine its implications for pedestrian safety through a Road Safety Audit approach. A descriptive quantitative method was applied by collecting primary data in the form of traffic volume surveys, side friction observations, and pedestrian facility conditions, as well as secondary data including road geometric characteristics and technical guidelines. Road capacity analysis was conducted based on the Indonesian Road Capacity Guidelines (PKJI) 2023. The results indicate that the effective road capacity is 1,841.62 pcu/hour with a degree of saturation (DS) of 0.63, reflecting stable traffic conditions. However, high side friction activities and limited pedestrian facilities in the school area potentially increase accident risks for students. Therefore, despite acceptable traffic performance, improvements in pedestrian safety facilities are necessary to enhance safety for vulnerable road users in school zones. Keywords: road safety, road capacity, road safety audit, pedestrians, school area ABSTRAK: Keselamatan jalan di kawasan sekolah merupakan aspek penting dalam mendukung mobilitas pelajar yang aman, khususnya di kota berkembang seperti Kota Tarakan. Ruas Jalan Diponegoro merupakan salah satu koridor dengan aktivitas lalu lintas tinggi dan interaksi intens antara kendaraan bermotor dan pejalan kaki, terutama pada jam masuk dan pulang sekolah. Penelitian ini bertujuan untuk mengevaluasi kinerja lalu lintas serta mengkaji implikasinya terhadap keselamatan pejalan kaki melalui pendekatan Audit Keselamatan Jalan. Metode yang digunakan adalah deskriptif kuantitatif dengan pengumpulan data primer berupa survei volume lalu lintas, hambatan samping, dan kondisi fasilitas pejalan kaki, serta data sekunder berupa karakteristik geometrik jalan dan pedoman teknis. Analisis kapasitas dilakukan berdasarkan Pedoman Kapasitas Jalan Indonesia (PKJI) 2023. Hasil penelitian menunjukkan bahwa kapasitas efektif ruas jalan sebesar 1.841,62 smp/jam dengan nilai derajat kejenuhan (DS) sebesar 0,63 yang menandakan kondisi lalu lintas masih stabil. Namun demikian, tingginya aktivitas hambatan samping dan keterbatasan fasilitas pejalan kaki di kawasan sekolah berpotensi meningkatkan risiko kecelakaan bagi pelajar. Oleh karena itu, meskipun kinerja lalu lintas tergolong baik, diperlukan rekomendasi peningkatan keselamatan pejalan kaki melalui penyediaan fasilitas pendukung yang memadai di kawasan sekolah. Kata kunci: keselamatan jalan, kapasitas jalan, audit keselamatan jalan, pejalan kaki, kawasan sekolah

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