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I Putu Elisa Sarassantika
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jipe.mril.unwar@gmail.com
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Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University, Denpasar-Bali, Indonesia, 80235
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INDONESIA
Journal of Infrastructure Planning and Engineering
Published by Universitas Warmadewa
ISSN : -     EISSN : 28295153     DOI : https://doi.org/10.22225/jipe
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering
Journal of Infrastructure Planning and Engineering (JIPE) is a peer-reviewed and open-access journal that was launched by the Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University, Denpasar, Bali in 2022. This journal publishes regularly twice a year in April and October however, it is possible to publish a supplement issue. Supplements are not mandatory publishing and are only issued if deemed necessary. JIPE welcomes submissions across a range of disciplines and publishes both theoretical and practical studies.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 57 Documents
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SUSTAINABLE URBAN DRAINAGE SYSTEMS AND INTEGRATED WATER RESOURCES MANAGEMENT: A PATHWAY TO ACHIEVING SUSTAINABLE WATER MANAGEMENT Arne Finger; Jonas Lutz; Putu Aryastana
Journal of Infrastructure Planning and Engineering Vol. 3 No. 2 (2024)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.3.2.2024.69-72

Abstract

Integrated Water Resources Management (IWRM) is an essential approach for achieving the United Nations’ Sustainable Development Goals (SDGs), particularly Goal 6: “Clean Water and Sanitation.” This study explores the role of IWRM in supporting sustainable water management in Germany, a country renowned for its advanced environmental policies and innovative water management systems. By aligning with the European Union’s Water Framework Directive (WFD), Germany implements comprehensive strategies that integrate environmental protection, stakeholder collaboration, and transboundary water management. Key initiatives such as the Rhine River Restoration Project and the Danube Floodplain Restoration demonstrate Germany’s success in applying IWRM principles to improve water quality, restore ecosystems, and enhance flood resilience. Despite its progress, challenges remain, including agricultural runoff, industrial impacts, and climate change-induced risks. Recommendations for improving Germany’s IWRM include expanding data collection systems, strengthening pollution controls, promoting circular water economies, enhancing climate resilience, and increasing public engagement. Ultimately, Germany’s IWRM framework provides a model for sustainable water management globally, illustrating how collaborative governance, innovation, and adaptive strategies can support the achievement of SDG 6 and broader sustainable development objectives.
THE INFLUENCE OF AGGREGATE GRADATION PROPERTIES ON THE CHARACTERISTICS OF COLD MIX ASPHALT EMULSION I Putu Chandra Wibawa; I Nyoman Arya Thanaya; I Made Agus Ariawan
Journal of Infrastructure Planning and Engineering Vol. 4 No. 1 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.1.2025.23-38

Abstract

Cold Mix Asphalt Emulsion (CMAE) has the potential to serve as an environmentally friendly, efficient, and accessible alternative for road construction, as it eliminates the need for heating during production and can be compacted at low temperatures. One of the key factors affecting CMAE performance is the aggregate gradation used in the mixture. This study aims to analyze the effects of aggregate gradation on the volumetric characteristics, mechanical properties, and durability of CMAE. Laboratory experiments were conducted using several aggregate gradation types. The results indicate that the middle-limit gradation (G. L2) produced the highest dry density, while the lowest air void content was found in gradation G. L1. The mechanical properties, including soaked stability and Indirect Tensile Strength (ITS), were positively correlated with dry density, as they are influenced by aggregate structure, the asphalt emulsion content, and its asphalt adhesion quality. CMAE durability measured through moisture susceptibility (TSR) and mass loss (Cantabro loss test) was affected by the gradation type, asphalt–aggregate bonding, and water content in the mixture. Overall, aggregate gradation plays a critical role in determining CMAE performance. Notably, optimal performance is achieved when the mixture has fully lost its moisture, allowing for maximum asphalt binding efficiency. These findings highlight the importance of selecting appropriate aggregate gradation in CMAE design to enhance performance outcomes.
VALIDATION CONTROL IN FINITE ELEMENT ANALYSIS OF WIDE BEAM-COLUMN CONNECTIONS USING CONCRETE DAMAGE PLASTICITY UNDER CYCLIC LOADING Putu Ayu Priska Dewi; I Ketut Sudarsana; I Gede Adi Susila
Journal of Infrastructure Planning and Engineering Vol. 4 No. 1 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.1.2025.1-9

Abstract

This study investigates the validation of a finite element model for exterior wide beam–column connections using the Concrete Damage Plasticity (CDP) approach under reversed cyclic loading. The research focuses on identifying optimal CDP parameters—mesh size, dilation angle, and viscosity—through a structured trial-and-error process to enhance simulation accuracy. Using the SPWWS specimen as a benchmark, the final model configuration (40 mm mesh, 40° dilation angle, and 0.005 viscosity) produced peak load errors of 3.47% (positive) and 8.73% (negative) compared to experimental data. The simulation also replicated key damage mechanisms including diagonal, flexural, and torsional cracking observed in the laboratory test. These results validate the effectiveness of the calibrated CDP model in capturing both global and local nonlinear behaviors of RC joints under seismic loading. The validated model offers a reliable basis for future studies on reinforced concrete joints under modified loading conditions or strengthening interventions.
ASSESSING THE ROLE OF SATELLITE PRECIPITATION PRODUCTS IN URBAN FLOOD RISK MANAGEMENT IN GERMANY Arne Finger; Jonas Lutz; Putu Aryastana
Journal of Infrastructure Planning and Engineering Vol. 4 No. 1 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.1.2025.45-53

Abstract

Urban areas in Germany face increasing hydrological challenges due to climate change, extreme precipitation events, and the expansion of impervious surfaces. Traditional rainfall monitoring systems, such as rain gauges and radar networks, often fall short in capturing the spatiotemporal variability of urban precipitation, particularly in regions with complex topography or during high-intensity events. Satellite precipitation datasets such as IMERG, TRMM, CMORPH, GSMaP, and PERSIANN have emerged as essential tools for enhancing urban flood risk management. This paper evaluates the performance, limitations, and future prospects of these datasets in the context of Germany's urban environments. Key limitations include resolution constraints, latency, and accuracy issues related to orographic and winter precipitation. Nonetheless, recent advancements in machine learning, data fusion with ground-based systems like RADOLAN, IoT sensor integration, and downscaling techniques show significant promise in overcoming these challenges. The study highlights the potential of multi-sensor satellite systems and real-time data assimilation to improve predictive accuracy in urban hydrology. The findings emphasize the need for continued technological innovation and inter-operable data infrastructures to support climate-resilient urban water management strategies.
PRIORITIZING FLOOD MITIGATION IN VILLAGES AFFECTED BY THE PALASARI DAM BREAK USING TOPSIS Ni Luh Putri Prabandari; I Putu Gustave Suryantara Pariartha; Silvia Gabrina Tonyes
Journal of Infrastructure Planning and Engineering Vol. 4 No. 1 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.1.2025.10-15

Abstract

Dam collapse is a disaster that has the potential to have a significant impact on communities in downstream areas. This study aims to determine priorities for handling villages affected by flooding due to the collapse of the Palasari Dam in Jembrana Regency, Bali, using the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method. The data used was obtained from the results of hazard classification analysis based on InaSAFE software which includes four main parameters, namely the area of inundation, length of affected roads, number of affected buildings and number of affected populations. Each parameter is grouped by village and given a weight based on the principle of disaster vulnerability by placing life safety as the main priority. The results of the analysis show that the villages of Nusasari, Candikusuma, and Tuwed are the villages with the highest treatment priority, each with a preference value of 0.760; 0.605; and 0.524. The TOPSIS method has proven effective in combining spatially based quantitative data to support objective and systematic disaster mitigation decision making. This research also provides a basis for preparing a more adaptive Emergency Action Plan (EAP).
BAMBOO SHELTER STRUCTURAL DESIGN OPTIMIZATION: TOWARD SUSTAINABLE DISASTER RELIEF HOUSING I Ketut Yasa Bagiarta; I Nengah Sinarta; Putu Didik Sulistiana
Journal of Infrastructure Planning and Engineering Vol. 4 No. 1 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.1.2025.16-22

Abstract

This study explores the optimization of bamboo shelter design for emergency housing by integrating technical, implementation, and sustainability aspects in Karangasem Regency, Bali. Using a literature review approach combined with comparative and evaluative analysis, the research examines the structural properties of bamboo compared to conventional materials, assesses joint systems, and evaluates the proposed shelter design from a sustainability perspective. The findings highlight bamboo’s key advantages, including rapid construction time (approximately one week per unit) and cost efficiency (Rp1,500,000–Rp4,500,000 per shelter). The proposed design results in a low carbon footprint of 22 kg CO2/year/m2 and demonstrates a CO2 absorption capacity of 3,260 kg/year. Sustainability assessment indicates strong performance in technical reliability (score 4) and shelter habitability (score 4), moderate results in CO2 emission mitigation and affordability (score 3), and room for improvement in material efficiency (score 2) and tree protection (score 1). This research provides a foundation for developing sustainable bamboo shelters that balance structural performance, environmental impact, and socio-economic feasibility in post-disaster contexts.
Evaluation of multimodal transportation integration facilities at Serang station Anggun Nur Oktaviani; Muhammad Oka Mahendra
Journal of Infrastructure Planning and Engineering Vol. 4 No. 2 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.2.2025.72-82

Abstract

This study aims to evaluate the performance of multimodal transportation integration facilities at Serang Station, a major transportation hub in the Jakarta-Merak corridor serving 15,000 passengers per day. Key issues identified include fragmented pedestrian paths, a 450 m intermodal distance exceeding the 300 m TOD standard (SNI 03-7065-2005), limited covered waiting areas, and a lack of directional signs. This evaluation addresses the urgent need to improve travel efficiency and user satisfaction, contributing to sustainable urban development and reducing economic losses due to congestion. The Customer Satisfaction Index (CSI) was used to measure user perceptions of 16 facility attributes, and Importance-Performance Analysis (IPA) was used to prioritize improvements based on the gap between expectations and performance. The results showed very low levels of satisfaction with disabled access (CSI = 20%), lighting, zebra crossings, and bus stops (CSI = 20–46%), far below the average CSI of 52.52%, making them top priorities for improvement. Meanwhile, cleanliness, public restrooms, and gentle slopes meet user expectations. Recommendations include improved lighting, a microtransit hub within a 500-meter radius, additional trash bins, improved access for the disabled, improved markings/signage, and the construction of protected bus stops to support equitable, efficient, and sustainable urban mobility.
Analysis of unconfined compressive and shear strength of clay mixed with a based combination of rice husk ash and NaOH Ance Fungki Manik; Nahesson Panjaitan; Suhairiani Suhairiani; Febryani Gabriella
Journal of Infrastructure Planning and Engineering Vol. 4 No. 2 (2025)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.4.2.2025.54-62

Abstract

Clay is a type of soil that is generally characterized by its low load-bearing capacity. Due to the nature of clay minerals, which easily absorb and store water, clay soil is not generally considered suitable for use as a basic building material. This study analyzes changes in the unconfined compressive strength and shear strength of clay soil mixed with rice husk ash (RHA), NaOH, and a combination of rice husk ash and NaOH. The research method involves laboratory tests on original soil samples and soil samples that have been stabilized with varying levels of additives. The results showed that adding rice husk ash, NaOH, or both changed the properties in all tested samples. Unconfined compressive strength testing with varying amounts of rice husk ash (8%, 17%, 25%) showed the highest compressive strength increase of 28.19% at 8% RHA. Meanwhile, adding different amounts of solid NaOH (10%, 14%, and 25%) did not increase the soil's unconfined compressive strength. Mixing rice husk ash and NaOH also did not increase the soil's unconfined compressive strength; rather, it decreased the original soil's rigidity. Direct shear strength tests with RHA variations (8%, 17%, and 25%) showed the greatest increase at 8% of the original soil content, reaching 28.9%. This value decreased with an increased RHA percentage. Adding solid NaOH at different ratios (10%, 14%, and 25%) showed the greatest increase at 10%, with an increase of 14.68%; however, it decreased with increasing NaOH content. The mixture of RHA and NaOH increased in all variations. The highest direct shear strength value occurred in the 25% RHA + 25% NaOH mixture, which increased by 54.13% compared to the original soil. This study showed that RHA can increase soil strength through reactions with water and soil particles. However, these results emphasize the importance of selecting the appropriate types and ratios of stabilizer materials in accordance with engineering requirements.
Comparative analysis of cost and time for beam, slab, and column formwork using conventional and aluminum formwork methods Matildah Pretty Putri Alkassa; Sudarno P Tampubolon; Agnes Sri Mulyani
Journal of Infrastructure Planning and Engineering Vol. 5 No. 1 (2026)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.5.1.2026.33-42

Abstract

The development of the construction industry in Indonesia has accelerated urbanization and population growth, demanding the implementation of efficient construction methods, particularly in the development of high-rise buildings that optimize both cost and project duration. In reinforced concrete construction, formwork plays a significant role in determining the overall cost and time of the construction project. Therefore, this study analysis the comparison of cost and time for formwork work on columns, beams, and slabs in the BSI Tower project. Conventional formwork, typically made of wood, is still widely used due to its relatively low initial cost and flexibility. However, this method has several drawbacks, including material waste, low durability, high labour intensity, long processing time, inconsistent concrete surface quality, and a short service life, which lead to higher maintenance and replacement costs. In contrast, aluminum formwork is lightweight, precise, and reusable. This research employs a quantitative approach and utilizes Microsoft Project software. Cost analysis is conducted by multiplying the work volume by unit prices obtained from the 2024 Jakarta Standard Unit Price Analysis (AHSP) and project documentation, while time analysis is developed through Microsoft Project to estimate the duration of formwork installation and removal from floors 14 to 22. The results indicate that aluminum formwork is more efficient than conventional formwork in terms of both cost and time. The total cost of the aluminum formwork system was IDR 6,262,395,602, while the total cost of the conventional formwork system was IDR 6,509,110,236. This indicates that the aluminum formwork system is more economical, with a cost reduction of IDR 246,714,634, equivalent to approximately 3.79% compared to the conventional formwork system. Regarding time, aluminum formwork requires 63 days to complete, whereas conventional formwork takes 108 days, resulting in a time saving of 45 days. This research provides a data-driven framework to assist contractors in optimizing project scheduling and cost budgeting when transitioning from conventional formwork to aluminum formwork systems.
Comparative analysis of the behavior of drop panel-slab system and beam-slab system using spectrum response method Satria Dayvano Mangelep; Sudarno P Tampubolon; Setyadi
Journal of Infrastructure Planning and Engineering Vol. 5 No. 1 (2026)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.5.1.2026.1-7

Abstract

The height of a building is influenced by the needs of the room. The height of a building can be reduced by planning the structural system to be used. The use of a structural system in a building will affect the behavior of the structure when given an earthquake load. The drop-panel slab is a structural system where the slab is directly connected to the column without resting on the beam. In this system, the load received by the floor slab is directly distributed to the column. The advantage of the drop-panel slab system is easier installation of formwork and reinforcement. In addition, the drop-panel slab system will reduce the clear height of the room because there are no beams protruding under the slab. However, the drop-panel slab system has disadvantages such as limited slab span and weak in resisting shear forces. While the slab-beam system is a structural system where the slab will rest on the beam to distribute the load. The slab-beam system has advantages such as a longer span and better strength to withstand shear because there are beams as components that resist shear forces. A comparison of the behavior of the beam-slab and drop panel -slab system will be analyzed using the spectrum response method ETABS V.22 software to determine the value of the structure vibration period, base shear, the story drift, and the deflection value that occurs on the floor slab. The slab-beam structural system demonstrates a higher fundamental period in the x-direction and a lower period in the y-direction when compared with the slab-drop panel system. The value of the base shear force on the beams is also smaller than in the panel drop-drop system due to the smaller effective weight of the building as well. Likewise, the story drift that occurred in the smaller slab-beam system was 17,39% in the x-direction and 20,50% in the y-direction compared to the slab-drop panel system. This shows that the slab-beam system can be more reliable in reducing the story drift value due to earthquake loads. The value of the deflection of the floor slab calculated on the floor that experienced the greatest moment showed that the system of slabs experienced an instantaneous deflection of 10.58 mm, 26.84% bigger than the drop panel-slab system that experienced an instantaneous deflection of 7,74 mm. So that the service ability of the slab-drop panel system is better than the slab-beam system.

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