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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 This journal accepts unpublished research and review papers in the areas of Mechanical and Manufacturing Engineering, Structural and Civil Engineering, also Informatics and Information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 51 Documents
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Using MDA to Improve Naïve Bayes Classification for Students Performance Prediction Rofilde (AU) Hasudungan
JSE Journal of Science and Engineering Vol. 1 No. 2 (2020): 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.v1i2.2205

Abstract

Adoption of information technology in education sector made data grow exponentially in this field. There are lot of data produce by education institution such as registration, teaching and learning, administration, and examination. Those data can be more useful if we can turn them into knowledge. Data mining is tools used to uncover pattern hidden in data and turn them into knowledge. Naïve bayes classifier is a classification algorithm based on naïve theorem. This algorithm has high accuracy and fast. However, Naïve bayes has no ability of select the best features since all attributes in this naïve bayes theorem consider as equal. However, it is common in the real data that there are attributes that higher dependency degree than others and many data have attributes that considered as superfluous or redundant, hence this paper proposes Maximum Dependency Attribute (MDA) to tackle that problem. MDA is feature selection technique based on rough set that is used to select the best features and Naïve bayes is used to predict student performance. Based on the experiment show that this proposed model has accuracy 79%. The result has improvement compare to Naïve bayes without MDA with accuracy 68%.
The Prediction of Late Tuition Fees at Muhammadiyah University of East Kalimantan Using the Logistic Regression Method Taufiqurrahman, Taufiqurrahman; Siswa, Taghfirul Azhima Yoga
JSE Journal of Science and Engineering Vol. 2 No. 1 (2023): 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.v1i1.3435

Abstract

Muhammadiyah University of East Kalimantan in carrying out its operational activities relies on funds from students, one of which is tuition fees (SPP). This creates problems if students are late in making tuition payments, because tuition payments can improve the quality of education and facilitie. Therefore, the purpose of this study is to determine indicators, then implement the logistic regression algorithm by dividing the data into 70:30 and evaluating the performance results of the algorithm using the confusion matrix. The data obtained are sourced from the Academic Administration Section and the Financial Administration Section as many as 12,408 data with several attributes such as the faculty, study program, class, gender, father's income, mother's income, father's education, mother's education and label (late or not late). From the results of the data test that has been carried out, it gets the results of an accuracy of 55.89%.
Latent Dirichlet Allocation Utilization as a Text Mining Method to Elaborate Learning Effectiveness Rahmi, Netri Alia; Rudiman, Rudiman
JSE Journal of Science and Engineering Vol. 2 No. 1 (2023): 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.v1i1.3680

Abstract

Learning method is a way to explain the lesson materials to students so that the learning process can occur in students as an effort to achieve the goals. Learning methods can be said to be a success if students are active, both physically, mentally, and socially in the learning process, in addition to showing high enthusiasm for learning and having self-confidence. The purpose of this study is to classify the opinions of Indonesian students regarding the existing learning methods and what learning methods they expected. In order to evaluate existing learning methods using the latent dirichlet allocation method. The data used comes from tweets of Twitter users within the range of January to March 2022. The data is taken using the scrapping method through the help of the python twisel library and totaled to 3778 data, then preprocessed through the nltk and Sastrawi libraries. The results of this analysis stated that student opinions can be classified into 3 major topics which state students' opinions regarding effective learning methods, student difficulties in applicable learning methods, and high cross-departmental interest.
Multilayer Perceptron and TF-IDF in the Classification of Hate Speech on Twitter in Indonesian Syahrandi, Akmal; Latipah, Asslia Johar; Verdikha, Naufal Azmi
JSE Journal of Science and Engineering Vol. 2 No. 1 (2023): 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.v1i1.3773

Abstract

Twitter nowadays is one of the popular social media which currently has over 300millions accounts, twitter is the rich source to learn about people’s opion and sentimental analysis. However, this also brings new problems where the practice of hate speech. This research classifies of hate speech on social media. Evaluation using dataset from previous research Ibrohim&Budi (2019), then using classification method Multilayer Perceptron which combined with feature extraction to be able to detect negations and weighting uses Term Frequency – Inverse Document Frequency (TF-IDF). Results show that the F1 score gives an accuracy rate of up to 74.51%. This research has a reasonably good effectiveness from combining the TF-IDF and Multilayer Perceptron methods, considering the results obtained from the F1 Score evaluation value.
Assessing the Impact of PVC Pipe Diameter on Compressive Strength and Cracking in Hollow Prism Concrete Asnan, Muhammad Noor; Saputra, Sahrul Panji; Noor, Rusandi
JSE Journal of Science and Engineering Vol. 2 No. 1 (2023): 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.v1i1.3788

Abstract

In order to enhance the utilization of concrete, it is necessary to explore the impact of PVC pipes incorporated into hollow prism concrete, focusing on their effects on compressive strength and cracking. PVC pipes are commonly employed as reinforcements within concrete structures to bolster their stability. This research delves into the consequences of varying pipe diameters and PVC pipes within hollow prism concrete. The experimental process entails utilizing concrete prisms with 100 x 100 x 300 mm³ dimensions, possessing a compressive strength of 25 MPa. Research outcomes reveal that pipe diameter directly influences compressive strength, where larger diameters are associated with reduced compressive strength. Including pipes in the concrete does not yield a substantial discrepancy in compressive strength. Concrete prisms with incorporated pipes exhibit a Columnar-type collapse, indicative of dominant compressive stress, whereas prisms without pipes undergo a Shear-type collapse, signifying a shift in stress distribution. It emphasizes the pivotal role of reinforcements like PVC pipes in upholding the structural integrity of concrete, thereby mitigating potential damage.In order to enhance the utilization of concrete, it is necessary to explore the impact of PVC pipes incorporated into hollow prism concrete, focusing on their effects on compressive strength and cracking. PVC pipes are commonly employed as reinforcements within concrete structures to bolster their stability. This research delves into the consequences of varying pipe diameters and PVC pipes within hollow prism concrete. The experimental process entails utilizing concrete prisms with 100 x 100 x 300 mm³ dimensions, possessing a compressive strength of 25 MPa. Research outcomes reveal that pipe diameter directly influences compressive strength, where larger diameters are associated with reduced compressive strength. Including pipes in the concrete does not yield a substantial discrepancy in compressive strength. Concrete prisms with incorporated pipes exhibit a Columnar-type collapse, indicative of dominant compressive stress, whereas prisms without pipes undergo a Shear-type collapse, signifying a shift in stress distribution. It emphasizes the pivotal role of reinforcements like PVC pipes in upholding the structural integrity of concrete, thereby mitigating potential damage.
Review of the implementation of road preservation and road shoulder widening on SP. Lempake - SP3. Sambera - Santan Project Pratiwi, Dheka Shara; Albar, Albar
JSE Journal of Science and Engineering Vol. 2 No. 1 (2023): 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.v1i1.3794

Abstract

The main road is a crucial transportation facility that plays a significant role in various community activities in a region, both in urban and rural areas. The total length of this road improvement project is 52.71 km. The enhancement of the SP.Lempake-SP3.Sambera-Santan Road is expected to help improve services and facilitate upgrading road facilities for transportation purposes, benefiting the local community and existing industries. This study utilizes the participatory observation method. Participatory observation is a data collection method that directly involves a researcher in the research location, allowing them to participate in observational activities. The purpose of observation here is for the researcher to be directly engaged in supervising the road preservation and widening project of the SP. Lempake-SP3.Sambera-Santan road. Data collection involves primary data, including on-site observation methods, interviews, documentation, and secondary data used in this report, such as plan drawings, time schedules, and organizational structure. The widening of the SP.Lempake - SP3. Sambera-Santan road consists of several tasks, including preparatory work, excavation, spreading and compacting of Class A aggregates, structural work, and the final finishing work. Challenges faced during the project include weather conditions (rain) and material depletion.
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.

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