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All Journal ComEngApp : Computer Engineering and Applications Journal Sinergi JETT (Jurnal Elektro dan Telekomunikasi Terapan) Journal of Information Technology and Computer Engineering Journal of Electronics, Electromedical Engineering, and Medical Informatics Electrices : Jurnal Otomasi Kelistrikan dan Energi Terbarukan Journal of Engineering and Applied Technology International Journal of Economy, Education and Entrepreneurship (IJE3) Manabia: Journal of Constitutional Law Promotion and Prevention in Mental Health
Sulis Setiowati
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Nursing Social Sciences Other

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Journal : journal of engineering and applied technology

 1 
Building settlement measurement system and reporting on LabVIEW-based soil liquefaction simulator Pratama, Bagas Adha; Zahrah, Dian Fajria; Setiowati, Sulis
Journal of Engineering and Applied Technology Vol. 5 No. 2 (2024): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v5i2.65486

Abstract

A one-axis shaking table soil liquefaction simulator is utilized to study soil behaviour and characteristics, enabling efforts to mitigate liquefaction-indicated soil behaviour. Traditionally, the process of measuring and documenting building settlement, which is a soil variable that indicates liquefaction, involves the use of a pen, paper, and measuring instrument. Therefore, build a measurement system consisting of LVDT displacement sensors and NI cRIO-9025 as the main components, along with LabVIEW software as a novel medium to acquire, process, display, and record measurement data to provide increased measurement accuracy equivalent to traditional instruments. The soil used as material in the test was represented by silica sand with a density percentage of 40-70%. By utilizing the measurement system uses a linear regression scaling method with a sampling time implemented during testing with 100 ms or 10 data/second and descriptive statistical analysis, the soil liquefaction simulator achieves precision with an average measurement error of ±0.89 mm and a reporting operational time efficiency rate of 95.80%. Thus, the accuracy rate of the simulator with the method used in the system is 96.31%.
Soil liquefaction measurement and adjustment system on shaking table for seismic simulation Abdul Karim, Mahmud; Aulia Sakinah, Dea; Nugroho Nuradryanto, Dimas; Setiowati, Sulis; Novita Wardhani, Rika; Salimah, A'isyah; Yelvi, Yelvi
Journal of Engineering and Applied Technology Vol. 5 No. 1 (2024): (March)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v5i1.65479

Abstract

The liquefaction simulator tool uses a one-axis shaking table model to determine soil features and behaviour that indicate liquefaction. This helps in implementing measures to mitigate its effects. The research system incorporates a frequency regulation system to control the speed of the 3-phase motor and a measurement system that monitors various variables associated with liquefaction. The variables include displacement, rocking table motion, acceleration, vibration frequency, and pore water pressure. This study used LabVIEW for frequency adjustment, data acquisition, processing, and presentation. LabVIEW improved the observations' accuracy using the linear regression method and descriptive statistical analysis at the data processing stage. The error value for the frequency adjustment without load was 1.65%, which increased to 8.75% when a load was applied. This study achieved a displacement measurement accuracy of 99.03% and an average pore water pressure measurement accuracy of 95.69%. The measurement accuracy of the accelerometer and accelerometer vibration frequency reached 66.98%.
PID Control System for Shaking Table and Bearing Capacity Measurement on Soil Liquefaction Simulator Setiowati, Sulis; Sanubari, Agung; Nuraulia Rahmah, Firly; Salimah, A'isyah; Yelvi
Journal of Engineering and Applied Technology Vol. 6 No. 02 (2025): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v6i02.84749

Abstract

Liquefaction occurs when soil that was previously stable and solid suddenly loses its strength and stiffness within a short period. This research develops a model for testing soil liquefaction using a 1-g shaking table. The system, based on LabVIEW, is designed to measure and analyze the performance of foundations during soil liquefaction tests. It enables the evaluation of soil characteristics before, during, and after an earthquake that could induce liquefaction, while also considering foundation reinforcement. In this study, the Ziegler-Nichols PID tuning method was employed to improve control accuracy and stability during seismic vibration simulations and to measure soil bearing capacity. The results indicate that the system achieved a rise time of 8 seconds, a delay time of 13 seconds, an overshoot of 0.06%, a settling time of 13 seconds, and a steady-state error of 0.02%. Compared to the Trial Error method, the Ziegler-Nichols method achieves faster rise time, delay time, and settling time but results in higher overshoot and steady-state error. The sensor data provides detailed information about the helical pile's ability to support vertical loads, with an average bearing capacity of 3.99 kPa.
Co-Authors Abdul Karim, Mahmud Andriansyah, Noval Aprilianto , Runo Anang Ari Wardayani, Ari Arnelis Djalil Aulia Sakinah, Dea Chumaedi Sugihandardji Erni Widiyastuti Gunawan Gunawan Hilmy , Abdurrahman Igi Ardiyanto Iwa Sudradjat Jaka Wijaya Kusuma Jusoh, Mohd Taufik M. Coesamin Mukaromah, Indah Novita Wardhani, Rika Nugroho Nuradryanto, Dimas Nuraulia Rahmah, Firly Pratama, Bagas Adha Purwanti, Indah Luthfiyyah Riandini, Riandini Rika Novita Wardhani Rinto Priambodo Salimah, A'isyah Sanubari, Agung Sari, Via Arsita Teguh Bharata Adji Trie Maya Kadarina Umardani, Achmad Widiatie, Wiwik Yelvi Yelvi Yelvi Zahrah, Dian Fajria Zendi Iklima