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Jurnal Sains dan Teknologi
Published by Global Scients Publisher
ISSN : -     EISSN : 30639980     DOI : https://doi.org/10.62379/jsit
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Physics Transportation
Jurnal Sains dan Teknologi adalah jurnal yang diterbitkan oleh Global Scients Publisher dengan Nomor ISSN : 3063-9980 (Online - Elektronik) dengan yang bertujuan untuk mewadahi penelitian di bidang Sains dan Teknologi. Jurnal Sains dan Teknologi merupakan wadah informasi berupa hasil penelitian, studi kepustakaan, gagasan, aplikasi teori dan kajian analisis kritis dibidang Penelitian,
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 56 Documents
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Analisis Perbandingan Penggunaan Borepile Dan Spunpile Terhadap Biaya Dan Waktu Pada Pembangunan Flyover Di Proyek Pembangunan Jalan Tol Betung – Tempino – Jambi Seksi 4 Gusty, Ega Oktarian; ., Harmes; Kusuma Whardani, Putri Nurul
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

Toll road infrastructure development plays a strategic role in enhancing regional connectivity and economic growth, including in the Proyek Pembangunan Jalan Tol Betung – Tempino – Jambi Seksi 4. During the construction of the flyover at STA 161+650, a foundation design change was implemented from bore pile to spun pile based on updated soil investigation results indicating medium to hard soil layers at a depth of 26 meters. This study aims to analyze the comparison of cost and construction time between bore pile and spun pile foundations to determine the more efficient and economical method. This research employs a quantitative approach using a case study method. Secondary data were obtained from the Detail Engineering Design (DED), shop drawing review, 2024 Unit Price Analysis (AHSP), 2024 Standard Unit Price (SSH) of Jambi Province, and project S-curve. The analysis includes work volume calculation, Budget Plan (RAB) preparation, and time analysis using equipment productivity and the Critical Path Method (CPM). The results show that the total cost of the bore pile foundation is IDR 8,324,502,821.16 with a duration of 50 days, while the spun pile foundation costs IDR 6,150,004,815.25 with a duration of 44 days. Therefore, the spun pile foundation is 35% more cost-efficient and 14% faster than the bore pile method. The foundation design modification has proven to improve project effectiveness without compromising structural safety and technical requirements.
Analisis Kestabilan Model Selwr Dinamika Burnout Pada Mahasiswa Syahrul , Maya Sari; Putri, Nurweni; Dwitari, Riolin
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

Academic burnout is a condition of physical, emotional, and mental exhaustion caused by prolonged academic pressure that may affect students’ well-being and performance. This study aims to analyse the stability of student burnout dynamics using the SELWR (Susceptible–Exposed–Light–Weight–Recovered) compartmental mathematical model as an extension of the SIR model. The model is formulated as a system of nonlinear differential equations representing the transition of students from susceptible to recovered conditions. The analysis reveals the existence of two equilibrium points, namely the burnout-free equilibrium and the endemic burnout equilibrium. Stability analysis is carried out by linearising the system using the Jacobian matrix and eigenvalue analysis around the equilibrium points.
Tinjauan Yuridis Mengenai Batasan Pertanggungjawaban Profesi Notaris Terkait Dengan Penerapan PMPJ Azhari, Fadhillah; Gregorius, Junior B.; ., Khalimi
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

This study examines the juridical limits of notary professional liability in implementing the Know Your Customer Principle (PMPJ). The issue arises from normative conflicts between the notary’s obligation to apply PMPJ under Ministerial Regulation No. 9 of 2017 and the confidentiality principle mandated by the Law on Notary Office (UUJN). This research addresses two main questions: (1) the legal boundaries of notary responsibility concerning client identity verification, and (2) legal protection mechanisms for notaries against unlawful acts committed by clients. This research applies a normative juridical method using statutory and conceptual approaches, supported by theories of justice, contract theory, and legal liability theory. The findings indicate that notarial responsibility is limited to formal verification (formal truth), and notaries cannot be held liable for material falsifications conducted by clients beyond their knowledge and authority. Furthermore, regulatory reconstruction is necessary to provide professional immunity and legal certainty to prevent criminalization risks.
Analisis Yuridis Kewenangan Pengadilan Hubungan Industrial Dalam Penanganan Kasus Union Busting Vimelita, Kleine Fitri; Widyaningrum, Tuti; ., Wagiman; Saputera, Januar Agung
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

This study aims to analyze the legal authority of the Industrial Relations Court (PHI) in handling union cases in Indonesia and to identify the ideal regulatory concept for protecting workers’ freedom of association. Using a normative juridical research method with statutory and conceptual approaches, this research examines the disharmony between Law Number 21 of 2000 regarding Trade Unions and Law Number 2 of 2004 concerning Industrial Relations Dispute Settlement. The results indicate a significant enforcement gap where union busting action, which are criminally sanctioned under Article 43 of Law 21/2000, are often reduced to individual civil disputes in the PHI. Furthermore, court decisions frequently prioritize formal procedures over substantive justice, failing to provide structural recovery for labor unions. This study recommends a legislative reform to include “freedom of association disputes” as a distinct category in the PHI’s absolute competence and the implementation of a reverse burden of proof to effectively safeguard constitutional rights.
Analisa Teknis Penggunaan B20, B30, dan B40 Pada Kapal Penumpang 2000 GT Partahi Oloan, Aldyn Clinton; Febrian, Shahrin
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

This study provides an in-depth review of the technical and economic aspects of using B40 fuel and B30in 2000 GT motor passenger ships. Identifying patterns of diesel fuel consumption in ship operations is crucial for ferry fleets, especially in relation to efforts to achieve fuel efficiency during ship operations. In resolving existing problems, the efficiency study was completed through the application of technical, correlational-predictive, and comparative analytical approaches. The technical analytical approach was specifically applied in calculating engine characteristics related to fuel consumption, while the correlational-predictive approach was used to examine the correlation between engine characteristics and fuel variations and ship operating patterns. Meanwhile, the comparative approach was used to present a more comprehensive picture of the case study on the use of diesel fuel as fuel for the main engine on a 2000 GT ferry operating on the Padang Bai - Lembar route.
Perancangan Inverter Satu Fasa 12V DC KE 220V AC Berbasis IC TIMER NE555 Hermawan, Angga; Tambunan, Andre Jonatan; Stefany, Triniti; Parhusip, Sofian
Jurnal Sains Dan Teknologi | E-ISSN : 3063-9980 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

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Abstract

An inverter is an electronic device that functions to convert direct current (DC) into alternating current (AC). In this design, a single-phase inverter is created that is capable of converting 12V DC voltage to 220V AC by utilizing the NE555 timer IC as a square wave signal generator in astable mode. The frequency is set using a resistor, potentiometer, and capacitor. The output signal is then amplified by the S8050 transistor and used to control two IRFZ44 MOSFETs as switching switches on the center tap transformer. The transformer functions to increase the voltage up to 220V AC. This circuit uses supporting components such as resistors and capacitors to maintain work stability. Test results show that the inverter is capable of producing AC voltage with a frequency close to 50 Hz in the form of a square wave, making it suitable for use with simple loads such as lamps and low-power electronic devices.

Page 6 of 6 | Total Record : 56

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