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Astonjadro
Published by Universitas Ibn Khaldun Bogor
ISSN : 23024240     EISSN : 26552086     DOI : http://dx.doi.org/10.32832/astonjadro
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Astonjadro: Jurnal Rekayasa Sipil adalah jurnal ilmiah dibidang teknik sipil p-ISSN : 2302-4240 dan e-ISSN : 2655-2086. Jurnal Rekayasa Sipil Astonjadro diterbitkan untuk mengapresiasi dan memberikan informasi ilmiah bagi peneliti, dosen serta para profesional. termasuk dalamnya pengembangan model dan konsep penelitian yang mengacu secara berkesinambungan. Jurnal Astonjadro diterbitkan oleh Fakultas Teknik dan Sains Universitas Ibn Khaldun Bogor, terbit dua kali dalam satu tahun yaitu bulan Juni dan Desember.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 30 Documents
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Search results for , issue "Vol. 14 No. 2 (2025): ASTONJADRO" : 30 Documents clear
Analysis of Signalized Intersection Performance Improvement on PHH. Mustofa Road Section, Bandung City Based on Coordination Intersection Modeling Akbardin, Juang; Hendrawan, Priandhany; Ma’soem, Dadang Mohamad
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.15715

Abstract

The rapid population growth in the city of Bandung has an impact on increasingly complex problems, especially the increase in traffic flow that is not balanced with the availability of road capacity. This will certainly cause congestion, one of which is at the intersection point. On Jalan PHH. Mustofa several signalized intersections are close to each other which often cause congestion. Data was collected through direct surveys in the field and obtained from third parties. The calculation of signalized intersection performance was carried out using Microsoft Excel, PTV Visum and PTV Vissim software. The vehicle growth rate that occurred in the city of Bandung in 2040 was 3.133%. And the number of vehicles in the city of Bandung in 2040 was 3,339,659 vehicles. The most effective cycle time in improving intersection performance on Jalan PHH. Mustofa with coordination modeling is 51 seconds. Based on the results of the development of signalized intersections on the PTV Vissim application, the results obtained decreased queue length and delay so that the level of service at the North Cikutra Intersection received a class A service level, the South received a class B service level and the West received a class C service level. For the Cimuncang Intersection, the North arm service level received a class A service level, the South received a class C service level and the West received a class C service level. And for the Padasuka Intersection, the North arm service level received a class B service level and the West received a class C service level.
Value for Money-at-Risk Analysis Model for Green Batching Plant Benefit based National Ready Mix Co Association (NRMCA) Method Husin, Albert Eddy; Rohman, Muhammad Nur
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17051

Abstract

The current green concept trend in Indonesia is contributing to the advancement of sustainability across all industries, including the construction materials sector. The concrete business is crucial because it provides the fundamental components for concrete, which is a critical role it performs in the building process. Throughout the production process, ready-mix concrete has a very negative effect on the environment. Planning and constructing a green concept will be 10-20% more expensive than conventional development. Researchers will use the value for money (VfM)-at-risk analysis model technique to cost-effectively apply the concept of the green concrete industry to statistical analysis and case studies. To improve cost performance, this research updates the knowledge on the green concept for concrete industrial objects and searches for factors that affect its application using partial least square (SEM-PLS) analysis and green concept modeling based on the value for monet at risk analysis model. "10 factors that influence the performance of green costs in the concrete industry" were identified by the research, and they include the following: the risk analysis model, the planning stage, internal costs, production, value for money, the bidding stage, the implementation stage, product use, the operation stage, and maintenance. The application of the VfM-at-risk analysis model was able to increase the green cost performance by 8.66% with a return of 9 years and 2 months by gaining benefits as an environmentally friendly and sustainable concrete industry.
Comparison of Design and Cost of Reinforced Concrete Structures in Buildings with Brick, Brick and Light Brick Walls in front of SD No. 9 Benoa Astariani, Ni Kadek; Sudika, I Gusti Made; Triatmaja, Putu Arif Prabawa
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17207

Abstract

In building structures, the accepted dead load is the load of the elements in the building, including reinforced concrete, rebated concrete, specs, ceramics, tiles, ceilings, MEP, walls and others. The wall load depends on what material is used on the wall. Bricks with half masonry provide a load of 250 kg/m2 (PPIUG, 1983). A pair of hollow brick walls weighs 120 kg/m2 (PPIUG, 1983) for HB 10. Light brick is concrete where air bubbles are caused by chemical reactions, AAC (Autoclaved Aerated Concrete) mixture generally consists of quartz sand, cement, lime, a little gypsum, water, and aluminum paste as a developer. Has a weight of 60 kg/m2 for the type with a thickness of 10 cm. Research is needed to compare the calculation results and structural costs of sloofs, beams, columns, ring beams and foundations in structures that use brick walls, concrete blocks and lightweight bricks. In this research, three structural models were created, namely those using brick walls, concrete blocks and lightweight bricks. Analysis was assisted using the SAP2000 Version 14.2.2 computer program. which refers to SNI-1726-2012 and SNI-2847-2013. In this research, a three-story school building located in Benoa, South Kuta Badung was studied. The results of the analysis resulted in a comparison of material requirements for the structural model with brick walls: In the overall structure, it was found that the concrete requirement in the model with brick walls was 15.71% smaller, while in the model with lightweight bricks it was 16.50% smaller. And the iron requirement for the model with bricks is 5.85% smaller, while for the model with lightweight bricks it is 6.69% smaller. The comparison of structural costs to the structural model with brick walls was found to be 8.67% smaller for the model with brick walls, and 9.26% smaller for the model with lightweight brick walls.
The Impact of Local Culture-Based Design Innovation on Sustainable Tourism in Kintamani Widiyani, Desak Made Sukma; Putra , I Dewa Gede Agung Diasana; Dwijendra, Ngakan Ketut Acwin; Bharuna S, Anak Agung Gde Djaja
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17234

Abstract

The study aims to examine the impact of design innovations based on local culture on sustainable tourism in Kintamani. Known for its natural beauty and cultural richness, Kintamani has great potential for sustainable tourism development. Design innovations that incorporate local cultural elements can enhance tourist attractions, enrich visitor experiences, and support the preservation of local culture. The research methods used include both qualitative and quantitative approaches, with data collection through interviews, observations, and questionnaires to gain a deep understanding of the impact of culturally-based design innovations on sustainable tourism in Kintamani. SWOT analysis was applied to identify strengths, weaknesses, opportunities, and threats in the development of tourism in Kintamani. The results of the study indicate that culturally-based design innovations can significantly contribute to sustainable tourism in Kintamani. Development strategies involving collaboration between the government, local communities, and creative industry players are crucial to achieving tourism sustainability in the area. The study concludes that culturally-based design innovations have great potential to support sustainable tourism in Kintamani, provided there is support and active participation from all stakeholders.
Risk Management Study in Smart City Development: Challenges and Opportunities in Bali Sanjaya, I Putu Ari; Sudarsana, Dewa Ketut; Yana, Anak Agung Gde Agung; Dewi, Anak Agung Diah Parami; Dwijendra, Ngakan Ketut Acwin
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17243

Abstract

The development of smart cities in Bali is a significant initiative aimed at enhancing the quality of life for residents through the application of advanced information and communication technology (ICT). As a prominent tourism destination, Bali faces unique challenges in integrating modern technology with its cultural heritage and natural environment. Effective project risk management is crucial in mitigating potential failures and ensuring the success of these complex and high-investment smart city projects. This study examines the challenges and opportunities in implementing risk management for smart city development in Bali. The research employs a mixed-methods approach, combining qualitative and quantitative data collection and analysis. Primary data were gathered through in-depth interviews with key stakeholders, including local government officials, project developers, and community members. Secondary data were obtained from relevant literature, project reports, and policy documents. The findings identify key technical, non-technical, and environmental risks that may impede the success of smart city projects. Technical risks include technology failures and design errors, while non-technical risks involve regulatory changes and community resistance. Environmental risks pertain to the negative impacts on the local ecosystem. The study reveals that these risks significantly affect the critical dimensions of smart city development, such as economic, social, and environmental aspects. To address these challenges, the research proposes several mitigation strategies, including enhancing technical capacity, regulatory socialization, and community engagement in the planning and implementation processes. The developed risk management model offers practical insights for policymakers, project developers, and stakeholders in managing risks and leveraging opportunities to ensure the successful development of smart cities in Bali. This study contributes to the literature by providing a comprehensive analysis of the unique context of Bali, highlighting the importance of an effective risk management framework tailored to local conditions. The findings and recommendations serve as a practical guide for improving the resilience and sustainability of smart city projects, ultimately benefiting the broader community.
Identifying Inhibiting and Enabling Factors for Design-Build Method Adoption in Local Government Projects in Indonesia Armaeni, Ni Komang; Triswandana, I Wayan Gde Erick; Sanjaya, I Putu Ari
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17244

Abstract

A design and build (DB) is a method that offers several advantages, including accelerated implementation time and reduced costs. Nevertheless, the implementation of the DB method in local government projects in Indonesia is still constrained by a number of factors. The objective of this study is to identify the inhibiting and enabling factors in the adoption of the DB method in local government. This research approach employed a Delphi survey, which involved experts and practitioners. The data was collected through the administration of questionnaires. The study identified 15 key barriers to DB implementation, including a lack of supportive regulations, low literacy in risk management, and a lack of staff knowledge and experience in implementing DB methods. Furthermore, distrust and a preference for more familiar methods represent significant obstacles. In contrast, there were 20 enabling elements, which were divided into four main factors. These were regulatory adjustment, capacity building of users and service providers, effective management, and external support. Regulatory adjustments included adjustments to the DB tendering and contracting system and shared perceptions with the legislature. The capacity building of users and service providers encompasses pilot projects, individuals who possess a comprehensive understanding of DB, and the provision of sufficient financial resources. Effective management encompasses inter-organisational communication and knowledge transfer, as well as DB-related socialisation and training. External support encompasses public acceptance, stakeholder support, and favourable political, economic, and cultural conditions. The findings of this research indicate that in order to enhance the utilisation of the DB method within local government, it is essential to address the identified obstacles and to capitalise on the identified opportunities.
Route Warning System for Monitoring and Accident Prevention in Road Transport Anjelina, Deby Triana; Humami, Faris; Tsani, Mokhammad Rifqi
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17246

Abstract

Accidents in special vehicles transporting B3 are accidents with a higher risk compared to accidents in ordinary vehicles. Based on the news of accidents involving fuel tankers in Candisari Semarang and Karangpucung Cilacap, the accidents that occurred were caused by drivers who were not ready to face changes in the type of road contour. Therefore, additional features are needed on tank cars that can provide delivery route mapping and provide notifications (risk journey) when passing through accident-prone areas. By applying the fuzzy c-means method, route safety identification can be carried out through data grouping based on traffic condition factors as well as accident data. The results of this study are in the form of a route warning application that can detect accident-prone points and provide notifications at a distance of 600 meters before the vulnerable point. This application provides notifications at 20 points on the delivery route to PT Anugerah Makmur Sejahtera. This application can be monitored by the company using web monitoring that is integrated with the route warning application in real time. After going through three tests, this application is feasible to use for adding safety features to tank cars.
The Analysis of Rescheduling the Savanna Sumatera Bridge Project Using the Pert Method Panjaitan, Alfin Lambok Pascatama; Hasibuan, Gina Cynthia Raphita; Anas, M. Ridwan
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17302

Abstract

Project schedules are generally created manually, which may lead to delays during the implementation on-site. It is due to the non-inclusion of the uncertainty factor in planning the project schedule. Delays in accomplishing one activity will result in delays in the next one. This study was intended to conduct rescheduling process to minimize the delay in the implementation of the Savanna Sumatera Bridge Project. The study applied PERT method in the rescheduling exercise by using three times conjectures on each project work item, which are: optimistic duration, most likely duration, and pessimistic duration. The results showed that the project was completed in 162 working days with a probability of completion of 99.9%, 34 days faster than the target project duration of 196 working days.
Optimizing the Use of Recycled Materials in Environmentally Friendly Concrete Block Production Amar, Tsulis Iq'bal Khairul; Magfirona, Alfia; Rosadi, Dheaulhaq; Putri, Nabila Faisa
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17348

Abstract

The construction industry significantly impacts the environment through resource consumption and carbon emissions. This study explores environmentally friendly concrete block production using recycled materials to address these challenges. By incorporating waste materials such as Styrofoam (X1), HVS paper (X2), and Onggok Aren fiber (X3), this study aimed to reduce landfill waste and lower carbon emissions. Our research shows that these materials can be effectively used in concrete block production, meeting required standards. However, high initial production costs remain a barrier. Effective cost modeling and optimization, using linear programming, showed that production costs for blocks made from Styrofoam (X1), HVS Paper (X2), and Onggok Aren Fiber (X3) could be significantly reduced. The optimized costs were Rp 1,804.26 for Styrofoam (X1), Rp 3,500 for HVS Paper (X2), and Rp 4,000 for Onggok Aren Fiber (X3) per block. By incorporating a 30% profit margin, the selling prices were set at Rp 2,345.54 for Styrofoam (X1), Rp 4,550 for HVS Paper (X2), and Rp 5,200 for Onggok Aren Fiber (X3). This approach ensures market competitiveness and sustainable profitability, promoting the use of alternative materials in construction and advancing environmental sustainability.
Risk Analysis of Occupational Safety and Health Analysis Using the HIRARC Method at Building Construction Pramesthi, Shifa Ardhelia; Anwar, Ruslin; Susanti, Lilya
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17359

Abstract

Occupational health and safety in Indonesia are crucial for improving worker safety and reducing the high incidence of construction-related accidents. In the research conducted on the construction of the Joint Lecture Building at a University in Malang City, a comprehensive analysis will be carried out to manage OHS risks, minimize workplace accidents, and improve work safety. By identifying hazards from each task and determining risks, risk controls for this construction project will be obtained. The work to be studied includes lower structure and upper structure tasks of the project. The research results show that risk control using the HIRARC method identified 52 hazards and risks. The risk analysis for lower structure tasks revealed five extreme risks, ten moderate risks, and four low risks, while the risk analysis for upper structure tasks revealed eight extreme risks and twenty-five moderate risks. The dominant hazard identification factors were machine-related, with seventeen hazard identifications dominated by heavy equipment hitting workers. The second factor was material-related risks, with workers being struck by falling materials and stepping on sharp objects. The third factor was worker-related risks, with seven identified risks dominated by workers falling from heights, followed by work method-related risks with seven identified risks dominated by improper worker positioning causing health issues. The final factor was environmental, with seven identified hazards dominated by landslides. Risk control is divided based on the causes of hazards, namely man, machine, material, method, and environment. Risk control is carried out by identifying based on the five HIRARC control hierarchy levels: elimination, substitution, engineering control, administrative control, and PPE.

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