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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 29 Documents
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Search results for , issue "Vol. 12 No. 1 (2023): ASTONJADRO" : 29 Documents clear
Analysis of Financing Schemes From Land Value in Transit Oriented Development at Bubulak Terminal Alvian, Novan
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.4319

Abstract

Oriented areas are often known as Transit Oriented Development (TOD) requiring financing, which is absolutely necessaryto accommodate developing activities and encouraging regional growth and land use plans in accordance with TOD regulations,Bubulak Terminal is one of the terminals in Bogor City because has a variety of economic activities be it bus companies (PO), public transport, trade and services. This study plans land use in accordance with PermenATR/KaBPN No. 16 of 2017 concerning TOD Development Guidelines and using a financing scheme for the Bubulak Terminal Area using analysis calculations with the Financial and Economic Calculation Methods, the results of these calculations that are in accordance with data from internet literature studies of scientific papers and books. The results of the analysis of the TOD area of Bubulak Terminal with a mix use designation of 1606 pcu/hour. The results of the calculation of the Financial Calculation value of NPV (Net Present Value) are RP 38.144.000.000,00 and the results of the IRR calculation for the Bubulak Terminal area show an IRR value of 14.92 %, so the project is feasible to run/choose with a capital cost (WACC) of 11.56%. While the calculation result of the Economic Net Present Value (ENPV), the calculation result is RP 325.848.272.000,00 and the result of the Economic internal rate of return (EIRR) is 31.19%, the project will benefit and is feasible to run with revenue in 2023 Stakeholders involved in the TOD area at Bubulak Terminal, namely BPTJ as the regulator as well as the Responsible Agency for Cooperation Projects (PJPK) in developing TOD in Jabodetabek.
Analysis of Determination Transit Oriented Development Areas (TOD) at Light Rail Transit (LRT) Stations in Palembang City Review on Environmental Aspects Ramanda Muhammad, Ifan; Widyaningsih, Nunung
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8587

Abstract

The concept of Transit Oriented Development (TOD) at the Light Rail Transit (LRT) station in Palembang City in terms of Environmental Aspects. This study discussed the city of Palembang which already has several transit-based transportation such as Bus Rapid Transit (BRT) and Light Rail Transit (LRT) as a solution to overcome existing congestion. The several areas that still have congestion points and have not been able to be minimized, namely; (1) Bumi Sriwijaya, (2) Cinde Market, (3) 16 Ilir Market, and (4) Jakabaring. At this location, there were several problem phenomena that are still faced in the implementation of the existing TOD where the community does not use an integrated transportation system, This research used Process Hierarchy Analysis (AHP) method. This research was the preparation of evaluation and analysis of the determination of the Transit Oriented Development (TOD) area in the city of Palembang in terms of environmental aspects based on the AHP decision-making method. The research locations reviewed in this study are densely populated areas. In this study using a quantitative research approach. A quantitative approach used to analyze the determination of the Transit Oriented Development (TOD) area in Palembang City in terms of environmental aspects using AHP decision-making analysis techniques in compiling research discussions. The potential as location of the Transit Oriented Development (TOD) area in Palembang City was the Pasar 16 Ilir area (location 3). This area had the highest potential from other areas after the AHP data processing was carried out against the three main criteria for determining the TOD area.
Management of Artesian Wells at Bumi Purnawira Housing Sukabumi City with Water Distribution Application Jatmika, Bambang; Paikun, Paikun; Resdiawan, Wisnu
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8187

Abstract

The problem of clean water supply to meet the needs of the community is the main obstacle experienced by residents of Bumi Purnawira housing. Water management is completely left to the residents starting from installation of pipes to each house, installation of water meters, calculation of the cost of water usage per cubic meter, as well as administration and maintenance of the artesian well. Some problem that arise include: frequent miscalculation of cost to be paid; monthly meter recapitulation records in the form of paper prone to damage and data lost; meter recapitulation records is only kept by the treasurer, so if the residents want to know the history of meter records and the payment, they have to see the treasurer; the meter's monthly status is vulnerable to manipulation whether done by the residents or the treasurer; There is often a discrepancy between the financial recapitulation recorded and the physical cash; and financial expenditures are sometimes not properly recorded, so that it triggers the discrepancy between the recorded amount and the physical cash. Seeing the existing reality, an idea to make an application for the management of artesian well administration has arisen. The initial step is to form two teams, namely the development team and the socialization team. The development team is responsible for developing the management system of the artesian well's administration and finance. Meanwhile, the socialization team is responsible for conducting the socialization and the application training. The result of this project is an application and socialization that can help both the administrators and the residents in managing the administration and finance of the artesian well.
Mix Design Programming for Normal Concrete using Cubic Equation Yudhistira Baggio, Eugene; Hartono Bagio, Toni; Tistogondo, Julistyana
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.7143

Abstract

A computer programming requires inputs and processes to produce output, good data processing requires a formula, in programming when using tables is very inefficient, so an approach is needed in this case the existing table tables are converted into formulas, making it easier to process programming. Mix Design for normal concrete, in general, always use tables that have SNI (ACI), the tables are modified with Polynomial Regression to be equations, tables in SNI (ACI) that are transformed into equations. The equation produced, using polynomial regression, with a value of R² ≈ 1. The equation to find weight of mixing water (Ww) = y1j, y2j, with main variable aggregate maximum, additional variables are slump, the second equation is volume air content (VAC) = y3i, additional variables are exposures, water cement ratio (WCR) = y4i, with aggregate maximum variables, while additional variables are air requirements in concrete (non-air entrained/air entrained),weight of coarse aggregate (WCA) = y5i, with two variables aggregate maximum and FM (Finest Modulus), and initial estimates of fresh concrete weight (WFC) = y6i
Optimization with Crashing Method and Linear Programming Application on Type 36 Housing Projects Iq'bal Khairul Amar, Tsulis; Nurcahyo, Adi; Jenar Bagaskara, Gilang; Safta Wijaya, Arif
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8436

Abstract

The growth of housing in Indonesia has been very significant in recent years.   The most found type of house is type 36. One of the areas with high purchasing power for housing is the Kendal Regency, which became the object of this study. Often housing projects experience delays caused by internal and external factors that can interfere with the duration of the initial planning. The effort that can be made to maintain the level of progress of the project is by acceleration. The optimal cost of the project due to the reduction in duration can be completed by acceleration techniques (Crashing) as linear programming models.   In this study, Crashing and Linear Programming methods were chosen to optimize the value of adding costs to accelerate three samples of housing. Housing A, Housing B, and Housing C. The data collected is in the form of RAB, scheduling, and other supporting documents. Linear programming in this study using LINDO software. The plan to accelerate the construction of type 36 housing is carried out using alternative overtime working hours, adding 1, 2 and 4 working hours on critical activities of each project. The optimum time is selected based on the smallest cost slope value from the program crashing calculation. The result is shown that in housing A the most optimal addition was 2 hours of overtime with a total extra cost of Rp.   54,643,600 and a total acceleration of 15 days. In housing B, the optimum value of time and cost is by adding 4 hours of overtime with a total additional cost of Rp.   21,644,140 with a 27-day acceleration. In housing C, the development optimizes by adding 4 hours of overtime at an additional cost of Rp.   74,587,900 with a 29-day acceleration.
Analysis of Clean Water Needs, Quality and Availability Projections in 2032 (Case Study: SMK Negeri 2 Manokwari) Johra, Johra; Ritnawati, Ritnawati; Marzuki, Ismail
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8136

Abstract

SMK Negeri 2 Manokwari West Papua Province is one of the vocational high schools that foster 12 competencies in the field of Technology and Engineering with 1,567 people active in 2022. To support daily activities at school, the availability of clean water in the school environment is necessary for washing hands, defecating, and urinating. The availability of clean water is at least balanced with the need for clean water, this is intended to ensure that school needs are fulfilled. This study aims to analyze the need for clean water and clean water quality by quality standards. Clean water needs are analyzed using a mathematical approach based on clean water planning criteria, while the clean water quality analysis is carried out by testing clean water samples through the Manokwari City BPOM laboratory. The results showed that the need for clean water in schools was 17,280 liters/day. Water distribution to bathrooms/toilets, sinks, and public face, uses a piping network sourced from 2 reservoirs with a capacity of 40,400 liters. The source of raw water used is groundwater and pumping systems. For the analysis of clean water quality, the data shows that the temperature parameter = 0.05 oC, pH = 7.88, TDS = 0.3060 mg/L, and coliform number = 27.09 x 10^1 CFU/100 mL, so that the water quality microbiologically does not meet the requirements for sanitary hygiene. While the results of the study showed that the need for clean water in SMK Negeri 2 Manokwari until 2032 reached 33,276 L/day (47.21%). The results of this study are expected to be useful for the development of science for academics in universities, government and society. E, especially for students at SMK Negeri 2 Manokwari, hopefully, it will be interesting reading material in the school library.
Dissipating the Earthquake Lateral Base Force of Structure Using Sliding Plate and Link Beam Base Isolation Argoanto, Yoesoep; Hartono Bagio, Toni; Kusumastuti, Dyah
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.5289

Abstract

Link beam and sliding plates is used to isolate structure against lateral base shear of the foundation due to earthquake forces, the link beam element made from steel wide flange act as a metallic damper, combined with sliding plates become as base isolation. Analysis with the Etabs program results in significant differences in internal moment, shear and axial forces between structures that using link beam base isolation and those without, as well as the results for drift and deformation of the structure. The first step of analysis is estimate the dimensions of the structural elements. Base on the loads of the structure, the lateral base force of the structure can be calculated manually, so that, by applying the dynamic balance equation, the size of steel wide flange that will be used as the link beam. can be found. Furthermore, the analysis of internal forces, deformation, and structural drifts are calculated using the Etabs program for structural systems that with or without base isolation. The both results are compared so that it can be concluded that by using the base isolation link beam there is a significant decrease in the magnitude of the internal forces, drift and displacement, so that by using this base isolation, the elements of the structure will be reduced significantly, and the cost of structure can be saved, the safety and comfort of the building can be further improved too.
Air Conditioning System Analysis for Two Floors Electronic Industrial Building Size 40 X 25 X 10 Meters At PT. CI. In Jakarta Srihanto, Srihanto; Widarmadi, Indra; Anam, Sahidul; Sinaga, Parman; Yulianto, Sigit
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8626

Abstract

Air fresheners or AC (Air Conditioning) systems are increasingly becoming a necessity for urban communities and the industrial world in Jakarta. AC functions to cool industrial rooms, offices and homes. The PT CI Electronic Industry Building, has not yet installed an air conditioning system so that the production room is not comfortable for its employees. The purpose of installing air conditioning in the industrial building is to increase employee comfort and productivity. In installing an air conditioning (AC) system in the industrial building, design data and cooling load analysis are required. Therefore it is necessary to study the design of industrial air conditioners at PT CI by calculating the cooling load, calculating the required electrical power in order to determine the size and type of air conditioner needed. The research methodology starts from determining industrial building data, such as what tools and machines are in the room, the area of the room and the room wall materials, then analyzing the cooling load, determining the power of the cooling machine and determining the cooling system used. From the results of the cooling load analysis in the Electronics Industry building at PT CI, the total load on floors 1 and 2 was 709 kW, or 201,6 TR, including sensible load: 705.83 kW and Latin load: 3.03 kW. The refrigerant used by the AC R 134a engine. The compressor power is 356 HP. Medium large COP 2.8. The cooling system chosen is the central air conditioning system.
Effect of Compaction Temperature Variations on the Characteristics of Marshall Asphalt Concrete-Wearing Course [AC-WC] using Modified Asphalt (Asphalt Pertamina PEN 60/70 with Addition of 1.5% Styrofoam) Sakti Wibowo, Ramadhan
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8277

Abstract

The road is one of the transportation infrastructures which is a basic need in community activities. Along with the development of road construction, road construction materials are needed that are more environmentally friendly and can improve the quality of the asphalt mixture. Styrofoam is one of the materials that can be added because styrofoam is a thermoplastic material. The compaction temperature is also a factor that it must consider during the implementation in the field because it will determine the level of asphalt stability. This research was conducted by an experimental method using modified asphalt with a mixture of 1.5% styrofoam. The optimum asphalt content used is 6%, with compaction temperatures of 80°C, 90°C, 100°C, 110°C, and 120°C based on the plot of the Bitumen Test Data Chart (BTDC). The data analysis is based on the results of the Marshall parameter values. The test uses asphalt inspection test equipment and Marshall test equipment. The results of this study are that the lower the compaction temperature, the smaller the Marshall parameter value, and the higher the compaction temperature, the higher the Marshall parameter value. Asphalt parameters decreased. Based on the Marshall test carried out, the compaction temperature that meets the requirements of the 2018 Highways specification from a temperature range of 80°C to 120°C with an interval of 10 C is at a temperature of 110ËšC and 120ËšC.
Ciliwung River Normalization Analysis using HEC-RAS Application (TB. Simatupang Bridge to Bidara Cina) Imammuddin, Mohammad; Priyo Andi Wicaksono, Dwi
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.7796

Abstract

Ciliwung River area which starts from TB. Simatupang Bridge to Bidara Cina is one of the areas that experienced severe flooding.This is caused by changes or conversion of land functions which were originally a water catchment area into settlements. Buildings that stand along the river body makes the current cross section of the Ciliwung River unable to function optimally in accommodating flood discharges. In addition, there is no public awareness in protecting the environment, it can be seen from the large piles of garbage on the riverside of the Ciliwung River.One of the efforts made by the government in flood control is river normalization, but in practice the normalization of the Ciliwung River can be said to be not running optimally. The purpose of this research is : the Author want to know how big the capacity of Ciliwung River existing cross section (starting from TB Simatupang Bridge to Bidara Cina) using Hec-Ras software application to modeling the river's cross section existing and so does recording and mapping ofpotentialflood locations. Based on the hydrology calculation, known that flood discharge plan Q25is 404.3m3/s, while the hydraulic Q is only 79.03 m3/s, the Q total is 483,38 m3/s. The results of modeling using the Hec-Ras river cross section existingcannot accommodate the planned flood discharge so that river normalization efforts are needed. Recording and mapping flood locations are useful to get the effectivity of River's normalization according to flood controlling at Ciliwung River (specific at TB Simatupang Bridge to Bidara Cina).

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