Publikasi Riset Orientasi Teknik Sipil (Proteksi)
Publikasi Riset Orientasi Teknik Sipil (Proteksi), ISSN No. 2655-6421 is a venue for publicizing scientific research activities in the field of Civil Engineering, necessarily restricted to structures, geotechnic and earthquakes, transportation, highway and railway, construction materials, water resources, hydrology and hydraulic, environment, surveying, monitoring and control systems, health and safety in construction. Proteksi is a peer-reviewed journal that is published by Universitas Negeri Surabaya or the State University of Surabaya in collaboration with Himpunan Ahli Teknik Tanah (HATTI) Cabang Jatim or Soil Engineering Expert (HATTI) East Java Branch. Proteksi is published by the Department of Civil Engineering, Faculty of Engineering, State University of Surabaya - Indonesia with publishing period twice in a year. The articles published in Proteksi been through the editing process and rigorous assessment of third parties who joined as a mitra bebestari. This editing process aims to ensure the accuracy of the content of the article as well as guarantee the accuracy of information as expected by the reader. The article published in Proteksi be accessible online and can be downloaded without charge (free of charge). We invite researchers, academics, and practitioners to publish research results in this journal. The language used in this journal is English and Bahasa Indonesia. Proteksi published by the Department of Civil Engineering, Faculty of Engineering, Universitas Negeri Surabaya (Unesa), Surabaya, East Java, Indonesia. Proteksi published twice a year, in Juni and December, Proteksi includes research in the field of Structures, Geotechnic and Earthquakes, Construction Management, Transportation, Highway and Railway , Construction Materials, Water Resources, Hydrology and Hydraulics, Environment, Surveying, Monitoring, and Control Systems, Health and Safety in Construction. Editors invite research lecturers, the reviewer, practitioners, industry, and observers to contribute to this journal.
Articles
167 Documents
<![CDATA[Analysis of Changes in the Coastal Dynamics of Watu Gedek and Muara Gede in Lumajang Regency Using Multi-Temporal Satellite Data and Spatial Analysis: Analisis Perubahan Dinamika Garis Pantai Watu Gedek dan Muara Gede Kabupaten Lumajang Menggunakan Data Satelit Multi-Temporal dan Analisis Spasial ]]>
<![CDATA[Anna Rosytha]]>;
<![CDATA[Zainal Abidin]]>;
<![CDATA[Arifien Nursandah Nursandah]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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<![CDATA[The southern coastal area of Lumajang Regency experiences high shoreline dynamics due to Indian Ocean waves, ocean currents, river mouth sedimentation, and human activities. Shoreline changes in the form of erosion and accretion affect coastal geomorphology, ecosystem stability, and socio-economic activities. This study aims to analyze shoreline dynamics in the Watu Gedek and Muara Gede areas, Tempursari District, Lumajang Regency, using Landsat imagery from 2020–2025. The methods include shoreline extraction using MNDWI, quantitative analysis with the Digital Shoreline Analysis System (DSAS), and prediction approaches using QSCAT and Random Forest machine learning. The analyzed parameters include NSM, EPR, LRR, and SCE. The results show that erosion dominates approximately ±74% of the transects, with a maximum rate of -11.49 m/year. The most severe erosion occurs in the central segment, while limited accretion occurs in the eastern and western parts with rates up to +2.45 m/year due to local sediment supply. QSCAT and Random Forest results show consistent patterns with DSAS. These findings highlight the importance of adaptive and spatial-data-based coastal management.]]>
<![CDATA[The Relationship Between Liquid Limit and the Fully Softened and Residual Friction Angles in High-Plasticity Stiff Overconsolidated Clays: Hubungan Antara Liquid Limit dan Sudut Geser Fully Softened dan Residual pada High Plasticity Stiff Overconsolidated Clay ]]>
<![CDATA[Muhammad Nafi' Mulyono]]>;
<![CDATA[Kresno Wikan Sadono]]>;
<![CDATA[Sri Prabadiyani Retno Wardani]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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<![CDATA[Landslide in high plasticity stiff overconsolidated clays frequently occur despite high safety factors obtained from analyses based on undrained shear strength. This is because the parameters used in such analyses do not adequately represent slope conditions subjected to repeated deformation and weathering. This study aims to identify the fully softened and residual shear strength parameters, to examine their relationship with the liquid limit (LL) for this soil type, and to find out the suitability of the relationship graph with that developed by Stark & Hussain. Fully softened and residual shear strengths were obtained from direct shear slow reversal test. Remoulded specimens prepared using the slurry method and consolidated under normally consolidated conditions were used. Soil samples were collected from three landslide sites in Semarang. The test results indicate very high LL values (94-105%) with clay fractions exceeding 50% at all sampling locations. Overall, the results show consistency with the regression bounds relating LL to fully softened and residual friction angles developed by Stark & Hussain. The correlation demonstrates good agreement and is applicable to local clayshales.]]>
<![CDATA[A Sudy of the Occupational Safety and Health Management System (SMK3) in Construction Companies (Case Study: Occupational of the Viar or TosaShowroom Building): Kajian Sistem Manajemen Keselamatam dan Kesehatan Kerja (SMK3) pada Perusahaan Konsruksi Bangunan (Studi Kasus: K3 Pembangunan Gedung Showroom Viar) ]]>
<![CDATA[Maulidya Octaviani Bustamin]]>;
<![CDATA[Wisnu Abiarto Nugroho]]>;
<![CDATA[Petrus Para Mite]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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DOI: 10.26740/proteksi.v8n1.p89-95
<![CDATA[This study aims to examine the occupational safety and health (OSH) management system in a construction company, specifically in the Viar or Tosa showroom construction project. It also analyzes workplace accident prevention efforts and the impact of occupational health on work quality. The study employs an observational approach with a descriptive method, while data were analyzed quantitatively using SPSS software. The findings reveal that most workers (92.3%) understood the implementation of the OSH management system, supported by the availability of personal protective equipment (PPE) such as helmets, vests, gloves, and safety shoes. In terms of accident prevention, 88.4% of workers were involved in planning OSH programs, reflecting the company’s commitment to workplace safety. The study further shows that all workers consistently applied the use of PPE during construction activities. Moreover, occupational health practices were found to have a significant influence on work quality, as the majority of workers recognized the importance of the OSH management system in ensuring safety and improving productivity.]]>
<![CDATA[Removal of Ampicillin Resistance Genes using Activated Carbon in Drinking Water Treatment: Penghilangan Ampicillin Resistance Genes dengan Karbon Aktif pada Pengolahan Air Bersih ]]>
<![CDATA[Sri Anggreini]]>;
<![CDATA[Ade Jaya Saputra]]>;
<![CDATA[Syaiba Suci Ramadhini]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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<![CDATA[The presence of antibiotic resistance genes (ARGs) in raw water has become a major concern in water treatment due to their role in accelerating the spread of antimicrobial resistance. Conventional treatment processes are often unable to effectively remove these genetic contaminants. This study aimed to evaluate the adsorption behavior and capacity of plasmid-encoded ampicillin resistance genes (ampR) using various types of activated carbon. Batch adsorption experiments were conducted using ten types of activated carbon, consisting of five coal-based and five wood-based carbons. Adsorption kinetics were analyzed using pseudo-first-order and pseudo-second-order models. The results showed that ampR adsorption on activated carbon followed the pseudo-second-order model. The adsorption rate constants ranged from 8.10 × 10⁻¹² to 6.19 × 10⁻¹¹ copies mg⁻¹ min⁻¹ for coal-based activated carbon and from 3.32 × 10⁻¹¹ to 2.66 × 10⁻¹⁰ copies mg⁻¹ min⁻¹ for wood-based activated carbon. The findings demonstrate that activated carbon has strong potential as an adsorbent for removing ampR in water treatment systems and support the development of more effective water treatment technologies.]]>
<![CDATA[Analysis of Priority Scale for Post Hydrometeorological Disaster Housing Reconstruction in West Aceh Regency: Analisis Skala Prioritas Pembangunan Rumah Pasca Bencana Hidrometeorologi Kabupaten Aceh Barat ]]>
<![CDATA[Hilma Erliana]]>;
<![CDATA[Ade Dwinta]]>;
<![CDATA[Cut Liliiza Yusra]]>;
<![CDATA[Raina Parmitalia Dinda]]>;
<![CDATA[Intan Wulan Sari]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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<![CDATA[Hydrometeorological disasters, such as the flash flood in West Aceh Regency in November 2025, caused severe damage to the houses of affected residents. This study aims to analyze economic, social, physical, and livability conditions and to establish post‑disaster housing intervention priorities. A quantitative descriptive method with percentage analysis was used on 187 affected households. Results show that 51.3% have very low income (<Rp500,000), 71.1% never save, 58.3% own no land, and 55.1% own no livestock. Social conditions are vulnerable: 40.1% have a very crowded room ratio, 54.5% have elderly/children under five, and 56.1% have low education level. Physical house conditions are severely damaged: leaky roofs (68.4%), poorly installed walls (65.2%), and weak floors (63.1%). Livability is very low: inadequate waste disposal (76.5%), fire hazards (70.1%), and structural hazards (69.0%). Based on the integration of the four variables, three priority levels for housing intervention were established: high priority (50 households) require total house reconstruction, medium priority (30 households) require heavy rehabilitation, and low priority (107 households) require light repairs. Given budget constraints, priority is given to the 50 households with the worst conditions. This study provides an objective basis for post‑disaster housing intervention priorities.]]>
<![CDATA[ANALYSIS OF A DRINKING WATER DISTRIBUTION NETWORK USING EPANET 2.2 IN THE LOBUNTA HOUSING COMPLEX, BANJARWANGUNAN VILLAGE: ANALISIS JARINGAN DISTRIBUSI AIR BERSIH MENGGUNAKAN EPANET 2.2 DI PERUMAHAN LOBUNTA KELURAHAN BANJARWANGUNAN ]]>
<![CDATA[Helenadya Greennov]]>;
<![CDATA[Awliya Tribhuwana]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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<![CDATA[The clean water distribution network is a critical infrastructure for meeting the needs of the community. However, problems such as low water pressure, uneven distribution, and high water loss frequently occur in piping systems. This study aims to evaluate the performance of the clean water distribution network in the Lobunta Housing Complex, Banjarwangunan Village, using EPANET 2.2 software. The methodology employs quantitative descriptive analysis and hydraulic simulation based on pipeline network data, water demand, elevation, and customer usage patterns. The parameters analyzed include pressure, flow rate, flow velocity, and the level of water loss (Non-Revenue Water/NRW). The simulation results estimate that the network consists of 172 junctions with a total pipe length of approximately 9,988 meters. Water pressure ranges from 12.19 to 20.05 meters and meets the technical standards of Ministry of Public Works Regulation No. 18/PRT/M/2007. However, the maximum flow velocity of 0.27 m/s remains below the established minimum standard. Furthermore, the water loss rate of 40.75% indicates that the distribution system is not yet operating efficiently. Therefore, an evaluation and improvement of the network are necessary to enhance distribution efficiency and the quality of clean water service.]]>
<![CDATA[Analysis of Factors and Indicators Influencing Human Error Reduction in Construction Projects: Analisis Faktor dan Indikator yang Mempengaruhi Penurunan Human Error pada Proyek Konstruksi ]]>
<![CDATA[Cynthia Fadhila Diantoro Putri]]>;
<![CDATA[Mohammad Arif Rohman]]>
<![CDATA[ PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 8 No 1 (2026): Vol 8 No 1 Tahun 2026 ]]>
Publisher : <![CDATA[Universitas Negeri Surabaya ]]>
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DOI: 10.26740/proteksi.v8n1.p123-128
<![CDATA[Human error remains one of the leading causes of accidents in construction projects due to the complexity of work activities, dynamic working conditions, and various hazards present on construction sites. Safety knowledge, safety skills, and the work environment are recognized as important factors in reducing human error. However, studies that integrate these factors into a single validated framework remain limited. This study aims to identify and validate the factors and indicators influencing human error reduction in construction projects. Data were collected through questionnaire surveys administered to Occupational Safety and Health (OSH) personnel working in construction companies in Indonesia and were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The results identified four key factors, namely safety knowledge, safety skills, work environment, and human error reduction, represented by 17 valid and reliable indicators. The findings indicate that safety knowledge, safety skills, and the work environment contribute significantly to reducing human error in construction projects. This study provides an empirically validated framework of factors and indicators to support the development of safety management strategies aimed at reducing human error and improving safety performance in construction projects.]]>
