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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 507 Documents
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Optimizing Reinforcement Requirements for Inspection Road Works Using Cutting Optimization Pro Software on the SANUR Port Project Astariani, Ni Kadek; Partama, I Gusti Ngurah Eka; Kamasan, Anak Agung Ngurah Mayun Pradnya Putra
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17201

Abstract

Construction project is a long process, where in its implementation there are many problems that must be resolved. One of the problems that is often encountered is uncontrolled use of materials, resulting in construction waste. This condition occurs because the control system implemented still uses a conventional system, namely relying only on the performance of craftsmen in the field without any control over the possible patterns of cutting the remaining reinforcing waste with the type of rebar that will be used next manually. So the method for reinforcing steel work that is suitable to be carried out in the field is to prepare a Bar bending schedule (BBS). BBS is a calculation method to determine the length of each iron required, the amount of reinforcing iron to be used and the total weight of all the iron to be installed in a structure. As in the Sanur Port Project, specifically on the South Breakwater Inspection Road sub-work, where based on the calculation results, it was found that the waste level value produced based on the Bar bending schedule (BBS) method using the Cutting Optimize Pro application was smaller when compared to the manual waste level value. . Where optimization using the cutting optimization pro software compared to the manual method can optimize the use of rebar rods by 9.88% with a waste level value of 0.58%.
The Analysis of Bale Banjar Shifted Function: Socio-Cultural and Economy Implications in Kuta, Bali Mahastuti, Ni Made Mitha; Adhika, I Made; Dwijendra, Ngakan Ketut Acwin; Susanta, I Nyoman
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17202

Abstract

This research analyzes the shift in the function of bale banjar in Kuta District, Bali, in the context of modern tourism development. This shift in function includes a transformation from a center for social and cultural activities into a commercial and multifunctional space. This research also examines the socio-cultural and economic implications of these changes. Data was obtained through qualitative methods with in-depth interviews, observation and documentation studies. The research results show that modern tourism has a significant impact on changes in the function and form of bale banjar, as well as changing the social and economic dynamics of local communities. These changes affect traditional cultural values ​​and the social identity of communities, necessitating appropriate conservation and adaptation strategies to maintain a balance between tourism development and preservation of traditional values. This research provides an important contribution in understanding the dynamics of bale banjar transformation and its implications for Balinese society in the modern tourism era.
Application of the Six Sigma Method in Railway Level Crossing Construction using Concrete Level Crossing in Gedebage-Haurpugur, West Java Silvano, Verian Gustam; Pontan, Darmawan; Zaki, M.; Kurniyaningrum, Endah
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17204

Abstract

The public interest in trains makes train traffic increasingly dense, resulting in congestion at railroad and highway intersections. Intersections between railways and highways are divided into level and non-level crossings. The potential impact or risk of the existence of a level crossing can cause several problems, one of which is the wheels of vehicles (motorbikes) which often slip when crossing the tracks. To reduce the potential risk of the existence of level crossings in the form of vehicle tires slipping between the rail gaps, PT. In 2022, KAI develop solutions to the problems that occur, one of the methods is by adding a concrete product in the form of Concrete Level Crossing, which is a prestressed concrete plate made with a knock down system so that it can be easily dismantled and assembled in the field without having to disrupt train travel schedules. This research was conducted to determine the most important factors in improving the quality of CLC plate construction at railway level crossings, to determine the application of the Six Sigma method to CLC plates at railway level crossings, and to determine the effect of applying the Six Sigma method to plates. CLC for railway crossings. The independent variable (X) in this research is the Six Sigma method, while the dependent variable (Y) in this research is the implementation of railroad crossing construction using Six Sigma-based Concrete Level Crossing (CLC). The questionnaire survey was carried out via an online survey. The number of respondents who provided assessments on this research questionnaire was 33 respondents from 5 related companies. The respondents taken in this research consisted of 4 experts with the expert criteria being personal experience in the field of planning and operational implementation in Concrete Level Crossing (CLC) installation work. The most important variable in improving the quality of CLC installations is the Quality Control variable. Only the Quality Control variable has an influence on the implementation of Six Sigma in CLC installations. The results of the DPMO calculation show a defect value of 31,250 per million or the equivalent of 3.59 sigma, where the quality still needs to be improved to reach a value of 6 sigma.
The Production of Space and Resilience Strategies in Sanur Traditional Village: A Case Study in Denpasar's Tourism Context Wijaatmaja, Arya Bagus Mahadwijati; Putra, I Dewa Gede Agung Diasana; Dwijendra, Ngakan Ketut Acwin; Yudantini, Ni Made
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17233

Abstract

This study examines the resilience and adaptation of the production of space in Sanur Traditional Village, Denpasar, amidst the pressures of tourism development. As tourism has become a key economic sector in Bali, traditional villages like Sanur face significant challenges in maintaining their socio-cultural identity while adapting to rapid changes. Using Henri Lefebvre's theory of the production of space as a conceptual framework, this research explores how Sanur negotiates between preserving traditional spatial practices and accommodating tourism demands. The study employs a qualitative case study approach, utilizing interviews, observations, and document analysis to investigate the dynamics of the production of space in Sanur. The research questions focus on: 1) How tourism development has influenced the production of space in Sanur; 2) Challenges To Traditional Spatial Planning; and 3) What resilience and adaptation strategies have been employed. The novelty of this research lies in its multidimensional approach to understanding spatial resilience in the context of a traditional Balinese village, integrating concepts of the production of space, cultural resilience, and tourism development. Preliminary findings suggest a complex interplay between traditional spatial concepts (e.g., Tri Hita Karana philosophy) and modern tourism-driven spatial transformations. The village demonstrates resilience through innovative spatial practices that balance cultural preservation with economic opportunities. This research contributes to the broader understanding of spatial resilience in traditional communities facing modernization pressures and offers insights for sustainable tourism development policies.
Evaluation of Kartini V Street Canal Capacity using HEC-RAS Imamuddin, Mohammad; Dewi, Firda Rachma
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17268

Abstract

The Kartini V Street channel in Central Jakarta plays a vital role in directing the flow of water to the main channel on Kartini Raya Street through the Kartini Pump House, thus effectively addressing water pooling issues in the Kartini neighborhood area. Evaluation of the capacity of the Kartini V Street channel is carried out by comparing the planned rainfall discharge with the existing channel discharge. Hydrological analysis calculations for the planned discharge with a 5-year return period yield planned discharges of 0.0214 m3/second for channel A-B, 0.0068 m3/second for channel B-C, and 0.0226 m3/second for channel B-D. Meanwhile, calculations for the existing channel discharge result in 6.9756 m3/second for channel A-B, 9.3690 m3/second for channel B-C, and 12.0398 m3/second for channel B-D. The analysis indicates that the existing channel capacity is sufficient to accommodate the planned rainfall discharge.
The Analysis of Changes in Calorific Value of Coal in the Coal Flow Coal Feeder and Net Plant Heat Rate (NPHR) Djaeni, Mohammad; Windarta, Jaka; Muqorrobin, Rifqi
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.18136

Abstract

This study to determine the effect in the difference of coal calori value on power plants. Currently, coal-fired power plants dominate power plants in Indonesia with 42.38%. With the dominance of coal-fired power plants, the need for coal in Indonesia remains high. In the electricity production process, calori value is an important in the electricity production process. This study discusses the effect of coal on power plants. In this study, coal received two types of treatment, namely by heating with sunlight and oven. Then in this study, research was conduct on the calori value of coal on several parameters such as Specific fuel consumption (SFC), coal flow, boiler efficiency and NPHR. From the results of the research conduct, the drying process in the sun for 10 days can reduce the water content by 28% and reduce the weight of coal from 150 grams to 108 grams. Changes in calories due to a reduction in the water content value in coal by 28% to 5414 kcal / kg. In the coal combustion test, the calorific value of coal is inversely proportional to the NPHR value and coalflow of the PLTU.
Analysis of Road Preservation on the Parung-Bogor Road Traffic Flow Wardhani, Asri Kusuma; Ngadimo, Ngadimo; Muhtadi, Adhi
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.18277

Abstract

Continuous waterlogging on the road surface accelerates deformation due to the erosion process of the road base material and weakening of the pavement layer. At the same time, water flowing along the side of the road also has the potential to increase damage by eroding the structure of the roadside. Road preservation is an effort to maintain and repair to maintain the condition and function of the road so that it remains suitable for use, safe, and comfortable for users. The objectives of this study are: 1) to identify the existing condition of the height of the drainage channel against road damage, 2) to obtain the results of the study of the criteria needed for road preservation at the time of the study, 3) to analyze the results of the road preservation study against field conditions. The method used is a literature study and expert opinions on road preservation, using the Analytical Hierarchy Process (AHP). The results of this study are 1) the existing condition of the Parung-Salabenda highway found that the condition in the field of the drainage channel is higher than the road surface, so that when it rains the road will flood, 2) based on the study that the technology criteria have a very large influence, namely 0.665. This means that technology plays a very important role compared to economic and environmental criteria, 3) the results of the paired comparison analysis of technology criteria with the highest road preservation sub-criteria of 0.546 and the economic criteria sub-criteria of reducing road maintenance costs of 0.538 and finally the environmental criteria sub-criteria of high rainfall of 0.630. So that more intensive handling is needed to prevent further damage.
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.

Page 42 of 51 | Total Record : 507

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