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JSE Journal of Science and Engineering
Published by Universitas Muhammadiyah Kalimantan Timur
ISSN : 27233944     EISSN : 27233944     DOI : -
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Engineering Mechanical Engineering Transportation
JSE Journal of Science and Engineering is an open-access and peer-reviewed scholarly international journal for engineers and technologist. This journal accepts unpublished research and review papers in the areas of Mechanical and Manufacturing Engineering, Structural and Civil Engineering, also Informatics and Information Technology. Potential authors are invited to submit articles in English.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 11 Documents
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Search results for , issue "Vol. 2 No. 2 (2024): Journal of Science and Engineering" : 11 Documents clear
Analysis of Mini Pile Foundation in Istiqlal Mosque Loa Bakung Samarinda Construction Project Based on CPT and SPT Data Liana, Ulwiyah Wahdah Mufassirin; Yatnikasari, Santi; Siregar, Adde Currie; Syahrul, Muhammad
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3798

Abstract

Transportation as an activity of moving something from one place to another. The existence of various community activities causes the emergence of traffic movements. The more activities that take place, the more traffic generated. So that adequate infrastructure is needed to create a smooth movement. As the number of vehicles increases, the strength of the pavement decreases which results in road damage. Pavement in good condition in Samarinda City in 2020 decreased by around 6.3%, while roads in severely damaged conditions increased by almost 100% from 2015. Damage to pavement reduces the capacity of the previously planned roads. This affects the level of service on these roads, so it is necessary to compare the analysis of service levels with and without any damage. The research was conducted by surveying Ir. Sutami road, City of Samarinda with a length of 150 m. Primary data include the number of vehicles, road geometric data and documentation of road damage. The analytical method uses MKJI 1997. The volume of vehicles passing through Ir. Sutami as much as 1228.4 smp/hour on holidays and 3510.35 smp/hour on weekdays which are dominated by motorbikes. Road capacity Ir. Sutami in a condition without any damage, namely 6079.92 smp/hour which produces a V/C ratio of 0.58 with a service level of A, while currently the Ir. Sutami road with some damage such as holes and peeling so that the capacity decreased to 5251.067 smp/hour with a V/C ratio of 0.67.
Overview Implementation of Precast U-Ditch Drainage Construction on Jalan Otto Iskandardinata Tama, Brian Ricki; Yatnikasari, Santi; Handayani, Elvira; Umi, Zulfikar; Agustina, Fitriyati
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3833

Abstract

The increasing use of transportation infrastructure in Indonesia demands the development of facilities and infrastructure to enhance the quality of public services. Kalimantan Timur is a rapidly growing province. The rising population of Kalimantan Timur necessitates the construction of supportive facilities and infrastructure. Drainage refers to the action or process of draining/disposing of water, resulting from human activities like household wastewater, industrial wastewater, as well as natural processes such as rain, water accumulation, floods, and groundwater level reduction. The Drainage Project aims to improve the drainage system to reduce flood and waterlogging risks while preserving water quality, accommodating the growth of the population and the need for supporting infrastructure like housing, schools, and healthcare facilities. In the Drainage Development Project on Jalan Otto Iskandardinata, the precast concrete method with dimensions of 100x70x20 is used. The implementation of the U-Ditch Precast Drainage Project on Jalan Otto Iskandardinata is expected to alleviate flood issues. Before commencing the work, various tests such as the Slump Test, Compressive Strength Test, Hammer Test, and Tensile Strength Test are conducted to ensure compliance with the required specifications. Occupational Health and Safety (OHS) measures have been applied to the Drainage Project. Each stage of the project's implementation must be supervised by field inspectors to ensure the project runs smoothly and meets the required quality standards.
Review of implementation of rigid pavemant cement clamping work on the reconstruction of the road access to Tol Palaran Putri, Pooja Hemalia; Agustina, Fitriyati; Ardian, Yuli Arianto
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3834

Abstract

The East Kalimantan Provincial Government carried out reconstruction work on the Palaran Toll access road (Palaran Main Stadium). This work is very strategic considering that the route is one of the accesses to national vital objects (obvitnas) of the Samarinda - Balikpapan Toll Road. In addition to providing comfort for road users, the path will be a storefront for Samarinda City. This path will be an access in and out of and to the Palaran Toll Gate. Previously, the two-lane road section was only used for one lane on the right side of the Palaran Main Stadium. The lane was partially destroyed, scrubbed and only became a parking office for trucks and containers. But considering that this road is a provincial road, the existing road conditions are considered unable to accommodate the capacity of vehicles going through this route. So it is necessary to rebuild and improve roads on the East Kalimantan Main Stadium Road Section at Sta. 1+644 – Sta. 3+405 to facilitate economic traffic and also avoid traffic accidents in the area. The methods used to obtain data are direct observation methods of activities that occur in the field and secondary data collection in the form of test result data, and work plan drawings. The purpose of writing this article is to find out the stages of implementation and supervision of cement concrete pavement road work, especially in ironing work. Palaran Toll Access Road Reconstruction Project using iron 32 mm for dowel rods with a length of 450 mm and a distance of 300 mm, iron 16 mm for tie bars with a length of 700 mm and a distance of 750 mm, as well as iron 12 mm for dowel fulcrum reinforcement and tie bar.
Implementation of Mini Piles and Retaining Wall in the Construction of the North Kalimantan Provincial DPRD Building in Bulungan Regency Hendi, Madrotin Noer; Liana, Ulwiyah Wahdah Mufassirin; Onaya, Gariel; Yatnikasari, Santi; Pitoyo, Pitoyo; Ilpandari, Ilpandari
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3836

Abstract

Piles are used as the foundation for a building's construction when the underlying soil beneath the structure lacks sufficient bearing capacity to support the weight of the construction and its load, or when hard soil with enough bearing capacity lies at a significant depth. Retaining walls are a type of civil construction built to withstand the lateral active pressure of soil or water. Therefore, the construction of a retaining wall must be planned and designed to safely counter potential forces that could cause structural failure. The purpose of this writing is to understand the implementation of mini pile foundations and retaining walls concerning the stability control of the retaining wall against sliding, overturning, and soil-bearing capacity. The observational method used involves collecting secondary and primary data. The mini pile foundations are driven to a specified depth, with each pile segment being 4.0 meters long, and this piling activity aligns with the plan. The retaining wall used is a cantilever retaining wall with concrete quality K-300 f’c 25 MPa, where the successive heights, upper width, and bottom width of the retaining wall are 4.5 m, 0.3 m, and 2.7 m, respectively.
Comparative Analysis of the Application of AHP and SAW in the Selection of the Best Employees at the Main Samsat Office, Samarinda City. Darmawan, Dwiki Adi; Arbansyah, Arbansyah; Latipah, Asslia Johar
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3838

Abstract

Employees are a supporting factor in a company or agency, because with employeeswho have company qualification standards, the company's productivity will be maintained and will increase. The AHP and SAW methods can be used to determine the best employees. There are 3 criteria and 16 alternatives that are given a value based on the scale of importance and weight for each criterion that has been determined by the Samarinda City Samsat Main Office which will be processed to find a sensitivity value using two methods, namely AHP and SAW. By carrying out the calculation process as much as 6 times the weight addition experiment where each weight is added to the value of 0.5 and 1 which is applied to the two AHP and SAW methods produces the sensitivity values of the two methods and uses two experiments with the first formula (XA – XB) and ( XA + XB ) then the sensitivity value obtained from the first trial of the AHP method is - 2.592705356 and the sensitivity value of the SAW method is -4.522690058. The second experiment added the value (XA + XB) so that the results of the sensitivity values of the two methods were obtained, namely AHP 5.952672848 and SAW method 8.358567251. From the calculations of these two methods, the SAW method was chosen which is more sensitive, so the best employee with the highes score at the Samsat Main Office, Samarinda City, was A1, namely the Selvi Salamah alternative, with a priority value of0.944444444.
Indonesian Automated Essay Scoring with Bag of Word and Support Vector Regression Verdikha, Naufal Azmi; Dwiagam, Junianda Haris; Hasudungan, Rofilde
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3841

Abstract

Essay is one of the test questions to measure students' understanding of learning. Respondents can organize the answers to each question in their own language style, so it takes time to make corrections. It takes a system that can assess essay answers automatically quickly and accurately. Auto Essay Scoring (AES) is a tool that can assign grades or scores to answers in the form of essays automatically. In giving grades automatically, AES requires machine learning with training data that contains answer data that has been given a value by the assessor. In this study, AES was used to assess the Indonesian language midterm exams using the Bag of Word extraction feature and using Support Vector Regression. The Root Mean Square Error value obtained when evaluating AES is 1.99.
Review of The Existing Drainage Channel Development Method (Case Study: Semani Road Environment (Sentosa-Remaja-Ahmad Yani) Norhayati, Norhayati; siregar, adde currie; Carlina , Evi
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3842

Abstract

The purpose of this review study is to see the effectiveness of the method of implementing primary canals in the Semani environment (Sentosa-Remaja-Ahmad Yani) Management and Development of Drainage Systems that are Directly Connected to Rivers across Regency/City Areas and Provincial Strategic Areas. This condition shows the importance of handling drainage problems. Measurements use mechanical and manual, data collection is carried out in natural settings (natural conditions), primary data sources and data collection techniques involve more participant observation, in-depth interviews, and documentation. From the results of reviews and observations during practical work, I concluded that we can really learn the techniques and conditions for making good drainage. so that the desired results can be maximized. The benefit of this study review is that we know how effective the work of the Semani environmental drainage project (Sentosa-Remaja-Ahmad Yani) is. It is hoped that this will eliminate the problem of flooding in the area
Decision Support System for Selection of The Best Doctor at Ahmad Brahim Hospital Using the Simple Additive Weighting (SAW) Method Fahra, Reni; Rahim, Abdul; Latipah, Asslia Johar
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3852

Abstract

The selection of the best doctors at the Ahmad Brahim hospital was not only done once, but the selection of the best health workers at the Ahmad Brahim hospital was also carried out, but the selection of the best health workers was still done manually by the health department. Therefore, to help speed up the research process, a website-based decision support system was created to select the best doctors to provide rewards with several methods that can be used. One of the methods used in making decisions is simple additive weighting (SAW) which is done by weighting each of the criteria used. Decision support website created using the PHP and MYSQL programming languages for data storage. This study has criterion 3, namely absence, attitude and diligence then have 7 alternatives, the 7 alternatives have 4 ratings 1 where the average assessment is the same as the absence score 0.45, the attitude value is 0.35 and the diligence value is 0.12 with a total value of 1 so those who get the first rank score are dr. Audi Pirade, dr. Kesatria Putra Abadi, dr. Nurfitri Rahmani Awaliyah and dr. Riska Ruswanti. Then the second rank is dr. Christi Angelia Arung Labi with an absence score of 0.45, an attitude value of 0.35 and a diligence value of 0.12 with a total of 0.92
A Risk Analysis of Occupational Safety and Health (OSH) Using the Hazard And Operability Study (HAZOP) Method for the Semani Drainage Project (Sentosa-Remaja-A. Yani): Rekayasa Rusli, Rusli; Zulkarnain, Isnaini; Ekandari, Yeyen
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3883

Abstract

The purpose of this research is to analyze the risk of accidents in the construction project of drainage in Semani (Sentosa-Remaja-A. Yani) with the aim of assessing the level of accident risk that occurs. Occupational Safety and Health is an obligation mandated by the Labor Law and the Minister of Manpower Regulation, so that the risk of accidents can be minimized. In the implementation of the drainage project in Semani (Sentosa-Remaja-A. Yani), the Occupational Safety and Health System (K3) has been applied properly, but accidents often result from the negligence of the workers themselves. Therefore, an appropriate approach is needed to identify accident risks. Hazard and Operability Study (HAZOP) is a method that can be applied to identify and analyze the risks of work accidents. The research results show that high-risk conditions account for 32%, medium-risk for 54%, and low-risk for 14%, so improvement recommendations are more focused on high and medium-risk conditions
Optimizing Concrete Construction: Enhancing Strength and Durability through Proper Vibrator Utilization Latief, Awang Muhammad; Noor, Rusandi; Laksamana, Bagus
JSE Journal of Science and Engineering Vol. 2 No. 2 (2024): Journal of Science and Engineering
Publisher : LPPI Universitas Muhammadiyah Kalimantan Timur (UMKT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30650/jse.v1i2.3893

Abstract

Concrete, known for its high compressive strength and resistance to environmental degradation, proves ideal for durable building construction if implemented correctly. Mix designers, implementers, and supervisors must comprehend concrete properties to prevent errors in construction. Vibrators play a crucial role in enhancing concrete quality and strength during casting, facilitating air removal, ensuring even distribution, and increasing density. This research evaluates the impact of vibrators on mechanical properties and strength, utilizing a hammer test to compare unconfined compressive strength in samples cast with and without vibrators. Results indicate that vibrators significantly enhance concrete compactness, reduce cracking risk, and improve pressure resistance. Additionally, they positively influence aggregate distribution and reduce porosity. Integrating vibrators into the casting process is essential, offering tangible benefits for structural performance and building durability. Practical implications include guidance on optimal vibrator use in construction projects for superior outcomes. Concrete damage poses a common challenge in construction, affecting elements like columns, beams, plates, and walls. Conducting case studies on damage causes is crucial to identify and minimize potential issues, ensuring the long-term integrity of structures.

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