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SAINSTEK
Published by Sekolah Tinggi Teknologi Pekanbaru
ISSN : 23376910     EISSN : 24601039     DOI : https://doi.org/10.35583/js
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering
Sainstek e-Journal memiliki bidang keahlian yang terdiri dari : Teknik Sipil seperti teknik Struktur, Manajemen Konstruksi, Geoteknik, Sumber Daya Air, dan Transportasi. Teknik Elektro dan Teknik Mesin seperti Material Teknik Elektro, Pembangkitan Tenaga Listrik, Transmisi dan Distribusi, Elektronika Tenaga, Kualitas Daya, Ekonomi Daya, Energi Terbarukan, Kompatibilitas Elektromagnetik, Teknologi Isolasi Tegangan Tinggi, Perangkat Tegangan Tinggi, Pendeteksi Petir dan Proteksi, Analisis Sistem Tenaga, SCADA, Pengukuran Kelistrikan.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 12 Documents
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Search results for , issue "Vol. 9 No. 2 (2021)" : 12 Documents clear
Studi Kuat Geser Lahan Gambut dengan Uji Geolistrik dan Alat Dokenbo Dian Paramita; Muhamad Yusa; Lita Darmayanti
Sainstek (e-Journal) Vol. 9 No. 2 (2021)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract

Berkembangnya zaman dan meningkatnya jumlah penduduk mengakibatkan penggunaan lahan marginal seperti lahan gambut tidak dapat di hindari. Lahan gambut memiliki karakteristik kepadatan rendah dan konsistensi lunak-sangat lunak. Penentuan kekuatan geser gambut baik di laboratorium maupun di lapangan tidak mudah, alat yang biasa digunakan di lapangan seperti sondir dan SPT memiliki bobot alat berat dan rentang pengukuran yang terlalu besar. Penelitian ini bertujuan mengembangkan metode untuk menentukan kekuatan geser dari nilai resistivitas. Penelitian ini menggunakan alat dokenbo portabel dan uji resistivitas. Pengujian dilakukan di Meranti, daerah yang sebagian besar terdiri dari lahan gambut. Hasil penelitian menunjukkan bahwa rentang nilai resistivitas gambut dominan yang diperoleh adalah 61-70 ohm.m dengan rentang nilai resistivitas 6,7-140 ohm.m. Rentang nilai penetrasi gambut yang dominan adalah 401-500 kN/m2 dengan rentang nilai penetrasi 125-1800 kN/m2. Rentang kohesi gambut yang dominan adalah 0,1-0,5 kN/m2 dengan rentang nilai kohesi 0,1-6,5 kN/m2. Rentang nilai sudut geser dalam gambut dominan adalah 13p-20o dengan rentang nilai sudut geser dalam 13,76o-50,2o. Hubungan dilakukan antara resistivitas dan penetrasi, resistivitas dan kohesi, resistivitas dan sudut geser. Penelitian ini menghasilkan hubungan statistik paling tinggi terjadi pada hubungan resistivitas dan kohesi sebesar R2 = 0,1788.
Classification of Bus Driving Behaviour In Universiti Malaysia Sabah Campus Elsa Eka Putri; Lillian Gungat; Dewi Nur Atieqah Binti Baharun Alam
Sainstek (e-Journal) Vol. 9 No. 2 (2021)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract

Driving behaviour has been studied by numerous researchers for the past few years. It includes the instantaneous driving behaviour observations and the drivers speed which are said to be influenced by many factors, such as the demographic measure of the drivers, environmental, passenger effect, and road characteristics. This paper describes the recent analysis and classification of driver behaviour in actual driving scenarios among the bus drivers in Universiti Malaysia Sabah (UMS) Main Campus, Kota Kinabalu. This research focussed on determining the riderships of bus in UMS campus, to investigate the differences of instantaneous driving behaviours of bus drivers during the acceleration phase when leaving bus stops, and to poduce the classification of the bus driving behaviour in UMS based on the driver’s accelerations. In order to achieve the objective of this study, observations were made for determining the riderships and the differences in instantaneous bus driving behaviour several times for each bus stops. For drivers speed and accelerations, a mobile applications called Speedometer GPS was used to obtain the data. Interview was conducted to a total number of 10 respondents to obtain their demographic measure. The results obtained shows the ridership of UMS bus is the highest in the afternoon peak. The instantaneous driving behaviour produce the head movement as the highest percentage during peak hour, and inattentive behaviour as the highest during the off peak hour. The bus drivers in UMS were classified as Aggressive and Calm Behaviour Category.

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