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Dedi Purwanto Indra Kusuma
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RESWARA: Jurnal Riset Ilmu Teknik
Published by Lembaga Penelitian dan Pendidikan (LPP) Kalibra
ISSN : -     EISSN : 30259444     DOI : https://doi.org/10.70716/reswara
Core Subject : Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
RESWARA: Jurnal Riset Ilmu Teknik is a leading scholarly platform that examines the strategic role of engineering disciplines in advancing the Sustainable Development Goals (SDGs). The journal is dedicated to publishing recent research, innovations, and engineering solutions that support sustainable development. The editorial board welcomes manuscripts based on theoretical frameworks and empirical research. The journal scope covers scientific knowledge and research-based information, including applied research and recent developments in engineering research and development. The primary focus includes Civil Engineering and Spatial Planning, Industrial Engineering, Electrical Engineering and Informatics, Earth Science Technology, and Naval Architecture. All manuscripts published in RESWARA undergo a double-blind peer review process. The final decision on manuscript acceptance rests with the Editorial Board, based on recommendations from independent peer reviewers.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 55 Documents
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Performance Evaluation of Urban Drainage Systems Using Hydrological Modeling in Makassar City Panguriseng, Darwis; Syafaat, Muhammad; Chen, Wei
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 1 (2026): RESWARA: Jurnal Riset Ilmu Teknik, January 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i1.363

Abstract

Urban flooding remains a critical issue in rapidly growing coastal cities, including Makassar City, Indonesia. Inadequate drainage capacity, land use change, and increasing rainfall intensity contribute to frequent inundation events. This study evaluates the performance of the urban drainage system in Makassar City using hydrological and hydraulic modeling approaches. The objective is to assess channel capacity, flow behavior, and system reliability under design rainfall scenarios. The research applies a quantitative approach using secondary rainfall data, drainage geometry, and land use information. Hydrological analysis estimates peak runoff, while hydraulic simulation evaluates flow capacity and water level conditions within the drainage network. The results indicate that several primary and secondary channels operate beyond their design capacity during peak rainfall events. Flow overflow and backwater effects occur in densely populated areas, particularly near the Pannampu Canal. Comparative analysis with previous studies confirms that insufficient channel dimensions and limited storage capacity are the main causes of system failure. The findings highlight the need for drainage normalization, integrated modeling-based planning, and sustainable urban drainage strategies. This study provides empirical evidence to support data-driven drainage management and flood mitigation policies in Makassar City.
Effectiveness Analysis of Rooftop Solar Panels in Reducing Household Electricity Consumption Nainggolan, Ahmad Fajar; Martinez, Laura; Yamamoto, Kenji
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 1 (2026): RESWARA: Jurnal Riset Ilmu Teknik, January 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i1.364

Abstract

Household electricity consumption represents a significant share of total energy demand and contributes directly to greenhouse gas emissions. Rooftop solar photovoltaic systems have emerged as a decentralized solution to reduce dependence on grid electricity. This study analyzes the effectiveness of rooftop solar panels in reducing household electricity consumption by synthesizing empirical evidence from recent international and national studies. A quantitative descriptive approach was applied through systematic comparison of measured and modeled household energy data before and after photovoltaic installation. The analysis focused on self-consumption rates, peak load reduction, and overall grid electricity displacement. The results indicate that rooftop solar panels reduce household grid electricity consumption by 20 to 60 percent, depending on system capacity, demand profile, and occupant behavior. Studies consistently show daytime load shifting and peak shaving effects as key contributors to effectiveness. Behavioral adaptation and policy support further enhance performance outcomes. This study confirms that rooftop solar panels are an effective instrument for household energy transition and provides empirical support for residential solar policies in both developed and developing contexts.
Performance Study of High-Strength Concrete with Fly Ash Waste Substitution as Admixture Juhandri, Juhandri; Vinay, Ravi Kumar; Amran, Youssef H. M.
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 1 (2026): RESWARA: Jurnal Riset Ilmu Teknik, January 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i1.365

Abstract

High-strength concrete plays a crucial role in modern infrastructure development due to its superior mechanical performance and durability. However, its high cement consumption raises environmental concerns related to carbon emissions and resource depletion. This study investigates the performance of high-strength concrete incorporating fly ash waste as a partial cementitious admixture to enhance sustainability while maintaining structural performance. The research employed an experimental approach by preparing concrete mixtures with varying fly ash substitution ratios and evaluating compressive strength, durability indicators, and microstructural behavior. Laboratory tests were conducted following standardized procedures, and results were analyzed using comparative and descriptive statistical methods. The findings indicate that optimal fly ash substitution significantly improves long-term compressive strength and durability due to enhanced pozzolanic reactions and refined pore structures. The performance trends observed in this study align with previous findings on high-volume fly ash concrete reported in international literature. The results confirm that fly ash waste can effectively function as a supplementary cementitious material in high-strength concrete, contributing to reduced cement usage and improved environmental performance. This study provides empirical evidence supporting the adoption of fly ash-based concrete for sustainable construction practices and offers practical insights for future high-performance concrete design.
Evaluation of River Water Quality Using the Pollution Index Approach in the Brantas River Basin Wulandari, Fitria; Diep, Nguyen Thi Hong
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 1 (2026): RESWARA: Jurnal Riset Ilmu Teknik, January 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i1.366

Abstract

The Brantas River Basin plays a strategic role in supporting domestic, agricultural, industrial, and ecological functions in East Java, Indonesia. Rapid urbanization, land-use change, and increasing anthropogenic activities have exerted significant pressure on river water quality, necessitating comprehensive and reliable assessment methods. This study aims to evaluate the water quality status of the Brantas River using the Pollution Index (PI) approach, which has been widely adopted for river quality assessment in Indonesia and other countries. Secondary water quality data were analyzed, encompassing key physical and chemical parameters, including biochemical oxygen demand, chemical oxygen demand, dissolved oxygen, total suspended solids, nutrients, and selected heavy metals. The PI values were calculated based on Indonesian water quality standards and interpreted according to established classification criteria. The results indicate that most monitoring points along the Brantas River fall into the moderately to heavily polluted categories, reflecting cumulative pollution loads from domestic wastewater, industrial discharges, and agricultural runoff. Comparative analysis with previous studies confirms the consistency of PI-based assessments and highlights spatial variability influenced by land use and human activities. This study demonstrates that the Pollution Index method is an effective and practical tool for evaluating river water quality and provides a scientific basis for pollution control strategies and sustainable river basin management in the Brantas River Basin.
Analysis of Production System Automation Effects on Energy Efficiency in Manufacturing Industry Pratama, Ahmad Fauzan; Rachman, Gede Arya; Wilson, Paul R.
RESWARA: Jurnal Riset Ilmu Teknik Vol. 4 No. 1 (2026): RESWARA: Jurnal Riset Ilmu Teknik, January 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v4i1.367

Abstract

The Brantas River Basin plays a strategic role in supporting domestic, agricultural, industrial, and ecological functions in East Java, Indonesia. Rapid urbanization, land-use change, and increasing anthropogenic activities have exerted significant pressure on river water quality, necessitating comprehensive and reliable assessment methods. This study aims to evaluate the water quality status of the Brantas River using the Pollution Index (PI) approach, which has been widely adopted for river quality assessment in Indonesia and other countries. Secondary water quality data were analyzed, encompassing key physical and chemical parameters, including biochemical oxygen demand, chemical oxygen demand, dissolved oxygen, total suspended solids, nutrients, and selected heavy metals. The PI values were calculated based on Indonesian water quality standards and interpreted according to established classification criteria. The results indicate that most monitoring points along the Brantas River fall into the moderately to heavily polluted categories, reflecting cumulative pollution loads from domestic wastewater, industrial discharges, and agricultural runoff. Comparative analysis with previous studies confirms the consistency of PI-based assessments and highlights spatial variability influenced by land use and human activities. This study demonstrates that the Pollution Index method is an effective and practical tool for evaluating river water quality and provides a scientific basis for pollution control strategies and sustainable river basin management in the Brantas River Basin.
Comparative Study of Rigid and Flexible Pavement Performance in Urban Roads Kurniawan, Andri; Petronio, Maicon Christian da Silva; Sharma, Sunil
RESWARA: Jurnal Riset Ilmu Teknik Vol. 2 No. 1 (2024): RESWARA: Jurnal Riset Ilmu Teknik, January 2024
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v2i1.372

Abstract

Urban road infrastructure plays a strategic role in supporting economic activity and mobility, making pavement performance a critical issue in infrastructure planning and management. The selection between rigid and flexible pavement systems has long been debated, particularly in urban environments characterized by mixed traffic loads, frequent utility cuts, and high maintenance demands. This study aims to comparatively analyze the performance of rigid and flexible pavements in urban roads by synthesizing empirical findings from international and national studies. A qualitative–quantitative literature-based comparative method was employed, drawing explicitly on peer-reviewed journal articles, conference proceedings, dissertations, and performance evaluation reports published between 1998 and 2025. The analysis focuses on structural performance, cost efficiency, construction time, maintenance requirements, environmental impact, and serviceability indicators such as PCI, IRI, and PSI. The results indicate that flexible pavements generally offer shorter construction periods and lower initial costs, whereas rigid pavements demonstrate superior long-term performance, lower life-cycle costs, and higher resistance to rutting and permanent deformation under heavy urban traffic. However, recent developments in perpetual flexible pavements and composite systems show competitive performance in terms of sustainability and environmental impact. This study concludes that pavement selection for urban roads should be based on life-cycle performance rather than initial cost alone, contributing to evidence-based decision-making for sustainable urban infrastructure development.
Flood Risk Mapping Based on Geographic Information System Analysis Putra, Ardiansyah; Rahmawati, Siti; Rincón, Daniela
RESWARA: Jurnal Riset Ilmu Teknik Vol. 2 No. 2 (2024): RESWARA: Jurnal Riset Ilmu Teknik, April 2024
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v2i2.373

Abstract

Flood events are increasing in frequency and severity worldwide due to climate change, rapid urbanization, and land-use transformation. Flood risk mapping has therefore become a critical tool for disaster risk reduction and spatial planning. This study aims to develop and analyze a flood risk mapping framework based on Geographic Information System (GIS) and multi-criteria decision analysis techniques. The research integrates physical, environmental, and socio-economic factors including rainfall intensity, slope, elevation, land use, soil type, drainage density, and population exposure. Analytical Hierarchy Process (AHP) and weighted overlay analysis were applied to derive flood risk indices and spatial risk zoning. The results classify the study area into very low, low, moderate, high, and very high flood risk zones. High-risk zones are primarily located in low-lying floodplains with dense settlements and poor drainage conditions. The findings are consistent with previous studies in Asia, Africa, and Europe, demonstrating the robustness of GIS-based multi-criteria approaches for flood risk assessment. This research contributes to the growing body of evidence that GIS-based flood risk mapping is an effective and scalable tool for supporting disaster mitigation, land-use planning, and policy formulation. The study recommends integrating GIS-based flood risk maps into regional planning frameworks to improve flood preparedness and resilience.
Sustainable Pavement Design Using Recycled Asphalt Materials Pratama, Ahmad Fikri; Zhao, Wei Feng; Oreto, Cristina
RESWARA: Jurnal Riset Ilmu Teknik Vol. 2 No. 4 (2024): RESWARA: Jurnal Riset Ilmu Teknik, October 2024
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v2i4.374

Abstract

The increasing environmental burden associated with conventional asphalt pavement construction has accelerated the need for sustainable alternatives. Recycled asphalt materials, particularly reclaimed asphalt pavement (RAP), have emerged as a promising solution to reduce virgin material consumption, greenhouse gas emissions, and lifecycle costs. This study aims to analyze the performance, environmental, and economic implications of sustainable pavement design incorporating recycled asphalt materials based on a systematic literature-based assessment.A qualitative systematic review and comparative synthesis were conducted using 25 peer-reviewed studies published between 2016 and 2025. The selected studies were analyzed to evaluate mechanical performance, durability, environmental impact, and cost efficiency of pavements incorporating RAP and other recycled materials such as waste polymers, steel slag, and fly ash.The results indicate that RAP contents between 30% and 50% provide optimal performance while significantly reducing carbon emissions and lifecycle costs. Advanced recycling techniques such as warm-mix asphalt and cold recycling further enhance sustainability by lowering energy demand and emissions. Life cycle assessment results consistently demonstrate environmental impact reductions ranging from 30% to 50% compared to conventional pavements.This study confirms that sustainable pavement design using recycled asphalt materials is technically feasible, environmentally beneficial, and economically viable. The findings support the wider adoption of recycled materials in pavement engineering and provide evidence-based guidance for policymakers and practitioners toward achieving carbon-neutral infrastructure development.
Evaluation of Reinforced Concrete Structural Performance under Earthquake Loads Based on Nonlinear Analysis in Lombok Pratama, Ahmad Fauzan; Zameeruddin, Mohd.
RESWARA: Jurnal Riset Ilmu Teknik Vol. 2 No. 3 (2024): RESWARA: Jurnal Riset Ilmu Teknik, July 2024
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v2i3.375

Abstract

Lombok is located in a highly seismic region of Indonesia, where reinforced concrete (RC) buildings dominate the urban built environment. However, the seismic performance of existing RC structures varies significantly depending on design practice, material quality, and structural configuration. This study evaluates the seismic performance of reinforced concrete buildings in Lombok using nonlinear structural analysis, with emphasis on nonlinear static pushover and nonlinear dynamic time history methods. The study adopts a comparative analytical approach by synthesizing findings from recent experimental, numerical, and field-based studies related to RC seismic performance in Indonesia and other seismic regions. Key performance indicators such as interstory drift, plastic hinge formation, displacement capacity, and performance levels (Immediate Occupancy, Life Safety, and Collapse Prevention) are examined. The analysis highlights that many existing RC structures in Lombok are vulnerable to moderate-to-strong earthquakes due to low material strength, inadequate detailing, and non-compliance with modern seismic codes. However, structures designed with proper ductility provisions and evaluated using performance-based methods show satisfactory behavior under seismic loads. The study concludes that nonlinear analysis is essential for realistic seismic performance evaluation and recommends systematic assessment and retrofitting of existing buildings in Lombok to enhance structural resilience and reduce seismic risk.
Analisis Kapasitas dan Kinerja Saluran Drainase terhadap Perubahan Tata Guna Lahan Perkotaan Cahyono, Christian; Miguez , Marcelo Gomes
RESWARA: Jurnal Riset Ilmu Teknik Vol. 2 No. 1 (2024): RESWARA: Jurnal Riset Ilmu Teknik, January 2024
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/reswara.v2i1.376

Abstract

Urban land use change increases impervious surfaces and directly affects the capacity and performance of urban drainage channels. Many drainage systems are designed based on outdated land use conditions and fail to accommodate increased runoff due to rapid urbanization. This study aims to analyze drainage channel capacity and performance in response to urban land use change using an integrated hydrological and hydraulic approach. The method involves design rainfall analysis, runoff discharge estimation, and hydraulic capacity modeling using commonly applied urban drainage software. Performance evaluation is conducted by comparing existing channel capacity with design discharge for various return periods. The results indicate that most channels are unable to convey design discharge due to increased runoff coefficients caused by land use change. These findings are consistent with empirical studies showing that uncontrolled urbanization significantly elevates flood and inundation risks. The study concludes that channel capacity upgrading, green infrastructure integration, and alignment between land use planning and drainage design are essential to improve urban drainage system performance.

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