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Jurnal Teknik dan Science (JTS)
Published by Asosiasi Dosen Muda Indonesia
ISSN : 28287002     EISSN : 28286871     DOI : https://doi.org/10.56127/jts.v1i2
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Jurnal Ilmiah Teknik adalah jurnal yang ditujukan untuk publikasi artikel ilmiah yang diterbitkan oleh Asosiasi Dosen Muda Indonesia dan di payungi Oleh Yayasan Dosen Muda Indonesia. Jurnal ini adalah jurnal Ilmu Teknik yang bersifat peer-review dan terbuka. Bidang kajian dalam jurnal ini termasuk sub rumpun Ilmu Teknik Mesin, Elektro, Kimia, Sipil, Metalurgi dan Teknik Industri. Jurnal Ilmu Teknik menerima artikel dalam bahasa Inggris dan bahasa Indonesia dan diterbitkan 3 kali setahun: Januari, Mei, September.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 108 Documents
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Utilization of Sugarcane Bagasse Fiber in Composite Board Mixtures as a Sound Absorber Ihat Solihat; Yusuf Sopian
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2135

Abstract

An Noise occurring in a room can be reduced or dampened in intensity by installing composite boards on the walls. Composite board material is made from a mixture of resin and sugarcane bagasse fiber. Sugarcane bagasse is a by-product of sugarcane juice extraction, commonly found around sugar factories or as waste from sugarcane juice processing. The utilization of this bagasse as a mixture in composite boards with resin was carried out using board dimensions of 30 × 30 × 1 cm. The composition ratios between bagasse and resin were 60:40, 70:30, 75:25, and 80:20.Based on sound wave testing at frequencies of 250 Hz, 500 Hz, and 750 Hz, the best sound absorption performance was found at the 60:40 composition at a frequency of 750 Hz, where the initial sound intensity was 95.5 dB and was reduced by 62.8 dB. This result indicates a sound absorption coefficient of 0.408, which is relatively good. The lowest absorption was observed at the 80:20 composition with a coefficient of 0.0296 at a low frequency of 250 Hz. This phenomenon occurs because a higher resin content results in a denser structure that reduces sound absorption, whereas a higher fiber content leads to increased porosity, enhancing the composite's ability to absorb sound.
Prototype Design of InMed (Information Medicine) Application Using Goal-Directed Design (GDD) Method with Figma Tri Sulistyorini; Muhammad Achsan Isa AL Anshori; Nelly Sofi; Dwi Widiastuti
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2144

Abstract

In the world of health, a platform is needed to make it easier for a person to find information, especially related to drugs practically. To realize this, this research was carried out to produce an application called InMed (Information Medicine). This research aims to analyze, design, and evaluate matters related to telemedicine and make it easier for users to find information about medicines. The method used in this study is Goal Directed Design (GDD) which consists of several steps, namely Research, Modeling, Requirements, Framework, Refinement, Support. The results of the Likert Scale test of the InMed application prototype received a score of 92%.
DISAIN MODUL PRAKTIKUM SISTEM KENDALI DUA MOTOR INDUKSI DENGAN TEKNIK FUNCTION BLOCK MENGGUNAKAN PLC, MAD11 DAN VFD Raden Hernadi; Pandi Sutardi; Siti Fatimatul Zuhro; Adelia Dwi Valentin
Jurnal Teknik dan Science Vol. 4 No. 1 (2025): Februari : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i1.1946

Abstract

The control and monitoring system for induction motor speed is widely used in industrial environments, specifically in the cable industry. The use of two working induction motors is for driving two extrusion machines that produce cables. Each machine operates according to a specific formula uploaded to the program. The main machine produces molten plastic in larger volumes, while the smaller machine applies coloring to the surface of the cable. However, the limited number of experts in this field often makes the industry experience difficulties when designing, modifying or when problems occur in the production machine control system program, so that foreign experts often have to be called in to handle it. To overcome this challenge, Educational Institutions need to prepare engineering students to be equipped with automation knowledge and practical experience through practical modules that enable them to design and implement HMI and PLC. This research aims to design a learning medium for industrial automation lab practice to enhance students' skills by mastering the concept of controlling two induction motors in the cable industry, where the motor speeds follow a formula similar to a linear equation uploaded to the Programmable Logic Controller (PLC) program.
Perancangan Alat Centrifuge Balance Berbasis Arduino Nano Untuk Mengetahui berat Kedua Sampel Darah Sudah Seimbang Ramadhani Ariya Saputra; Andi Kurniawan Nugroho; Bayu Wahyudi
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2164

Abstract

A balance centrifuge is a tool to weigh two different samples to determine the balance of the two samples before proceeding to the centrifugation process. The electronic circuit consists of 2 Load Cells and other supporting components, which aim to measure and process heavy data from both samples. In the development of this tool, the Arduino Nano served as the main microcontroller. The Arduino Nano receives data from the load sensor and the tare button to remove the load on the sample container and then processes the data to display the measurement results on the LCD layer. The LED as a balanced indicator when both samples are being weighed. The results of the experiment showed that the developed tool had an average error rate of 1% in the measurement of the weight of the right load cell. Then in the weight measurement of the load cell on the left has an average error rate of 0.3%.
Rancang Bangun Alat Surgical Smoke Evakuator dengan Hepa Filter sebagai Penyaring Udara Muhammad Adham Fathurozi Ramadhan; Andi Kurniawan Nugroho; Patrisius Kusi Olla
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2165

Abstract

The smoke generated from surgery contains harmful particles, including carcinogenic substances and microorganisms, which can endanger the health of medical personnel and patients. To reduce this risk, the design and testing of a Surgical Smoke Evacuator tool equipped with a HEPA filter as an air filter media is carried out. This tool utilises an Arduino Uno microcontroller as the main controller, an MQ-2 sensor to detect smoke, a DC motor as a suction system, and an I2C LCD to display information. The tool is also equipped with a button to adjust the motor speed level manually. Testing is done by evaluating the voltage and RPM of the motor in various conditions.
Analisis Statis Spacer Adaptor pada Kendaraan Berdisain Khusus M-V3 Seri Komersial Christofel Jarot Yudaputranto
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2173

Abstract

Spacer Adaptor is an essential component in vehicle suspension systems, functioning to create space between two mechanical elements to ensure stable and precise connections. This study aims to analyze the structural strength of the Spacer Adaptor on M-V3 vehicle manufactured, using static analysis with SolidWorks software. The simulation was conducted to evaluate the maximum stress and the Factor of Safety (FOS) of the 20 mm design. The results show that the maximum stress is 51.171 N/m², with a FOS value of 13.2. These results indicate that the component has a high safety margin against potential failure due to loading. Therefore, the Spacer Adaptor design is considered highly safe and reliable for tactical vehicle applications.
Working Method of Column Casting In Residential House Construction Project at Jl. Martimbang No.2 Rifaldi Adi Saputra; Agung Sakti Meldian; Lutfi Hanafi; Aep Saepuloh
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2227

Abstract

Column work is one of the important stages in constructing a residential house structure, functioning as the main element supporting the load. In the house construction project at Jalan Martimbang No. 2, South Jakarta, the column implementation method is designed to prioritize the accuracy, strength, and durability of the structure. The stages of work include material preparation, formwork manufacture, assembly and installation of reinforcement, and concrete casting according to the established technical specifications. The entire process is carried out by paying attention to quality standards and work safety procedures, as well as considering the conditions of the surrounding environment. With a systematic approach and the use of quality materials, it is expected that the column structures will be able to support the building optimally and meet the planned lifespan of the building.
Calculation of Steel Reinforcement Needs for Beams and Prestressed Beams: Case Study on a Residential Project in South Jakarta Rifaldi Adi Saputra; Agung Sakti Meldian; Riris Setiyowati; Arman Jayadi
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2228

Abstract

This study aims to analyze the need for reinforcement in conventional and prestressed beams in a residential project in South Jakarta. A quantitative descriptive approach is used, allowing for the systematic and measurable presentation of numerical data. Data were collected through direct field surveys, focusing on the analysis of work execution methods and the calculation of steel reinforcement requirements, particularly for ground floor structural elements. The case study was conducted on a conventional beam of type As 4' ; E - I with a span of 22.40 meters, which resulted in an iron demand volume of 991.77 kg for 25 mm diameter and 472.37 kg for 13 mm diameter. Meanwhile, for the prestressed beam As J; 3 - 8 with a cross-sectional size of 400 x 500 mm and a span of 14.30 meters, an iron requirement of 526.96 kg for a diameter of 22 mm and 295.00 kg for a diameter of 13 mm was obtained. The results of this study provide a detailed estimation of the material requirements for reinforcing the residential structure, which can serve as a reference for planning and controlling construction costs.
Implementation Methods for Shearwall SW2 Casting in Institutional Buildings Reynold Andika Pratama; Asri Winita; Al Hapizd Muhamad Rizky; Kartika Setiawati
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2229

Abstract

Each building must be built as best as possible to meet the feasible technical criteria in terms of quality, ethics, and aesthetics. In addition, the building must also meet the cost and administrative criteria for dormitory buildings and supporting facilities. The STAN Bintaro student dormitory building construction project consists of the lower structure (foundation), upper structure, and finishing work. In this practical work report, it focuses on one of the superstructure works, namely the work of the sliding wall or shear wall and the special purpose is to know the casting method of the shear wall in the construction project of the STAN Bintaro student dormitory building. Based on the results of observations during the practical work, the method in the implementation of the shear wall casting work itself starts from the determination of the axle, fabrication of reinforcement, installation of reinforcement, installation of formwork, casting, removal of formwork and then ends with shear wall maintenance. The data obtained regarding the dimensions of the shear wall in type SW2 is 5700 mm long with a thickness of 400 mm, for the reinforcement used, namely 6D16 reinforcement and D16-100 rebar. The quality of the concrete used is K-350. Future methods of casting implementation must continue to explore innovative solutions, such as the use of sophisticated materials and potimalized schemes, to further improve the performance of these structural components.
Application of Earned Value Method for Analysing Cost and Time Performance in the Construction of the Bank Mandiri Flat in Pare-Pare, South Sulawesi Yuli Sulistiyohadi; Agung Sakti Meldian; Ervina Yuliyanti; Vikar Kurniawan
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2230

Abstract

The Bank Mandiri Pare-Pare Sulawesi flat construction project is scheduled to be completed within 43 weeks with a contract value of Rp. 17,117,245,280. With time and cost constraints, good and thorough control is needed. The purpose of this study is to determine the cost and time performance at the end of the project completion. The method used in this study is the Earned Value method, which combines cost, time, and physical work performance elements. Data obtained from the project include the project schedule, Cost Estimate (RAB), weekly project reports, and actual costs. An analysis of costs, schedules, variances, and performance indices was conducted, highlighting issues that arose during the study. The Project Schedule Performance Index (SPI) at the 39th week review was 1.076, indicating that the project was ahead of schedule. The Project Cost Performance Index (CPI) from week 30 to week 38 showed values below 1, indicating that project expenditures exceeded the budget due to suboptimal progress weighting, as purchased materials were still in transit to the project site and had not yet been counted as progress by the owner. while in week 39, the index began to rise above 1 because progress weighting has become optimal, as the ordered goods have arrived and are now being accounted for in progress.

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