The Analysis of Liquefaction Phenomenam of The Flexible Pavement Using Seismic Monitoring Equipment


Rini Kusumawardani, - and Untoro Nugroho, FT Teknik Sipil and Sri Handayani, TEKNIK Pendidikan Teknik Bangunan and Aspirilia Fananda, - (2019) The Analysis of Liquefaction Phenomenam of The Flexible Pavement Using Seismic Monitoring Equipment. IIUM Engineering Journal, 20 (1). pp. 70-78. ISSN 1511-788x

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Abstract

Liquefaction phenomenon is generally caused by high dynamic vibrations in a very short duration. This article investigated the behavior of dynamic vibrations caused by vehicles on the road. This study employed the HVSR (Horizontal Vertical Spectral Ratio) with an accelerometer. The result of dynamic vibration generated by the passing vehicle or the micro tremor / micro seismic vibration was recorded by seismic monitoring devices. This seismic monitoring equipment converted vibration into natural frequency (f0) and amplification (A0) using Geopsy software. The result of HVSR (Horizontal Vertical Spectral Ratio) was the soil vulnerability index (Kg). The results of this study indicated that the three parameters above were then analyzed with the assumption that if the amplification value (A0) was higher and associated with a lower natural frequency value (ƒ0) with a high vulnerability index (Kg), then the area had potential liquefaction, with laboratory research results in the form of granular gradation testing as the supporting data. Therefore, the results of the analysis and the laboratory work lead to the conclusion that the study area of Majapahit street has potential for liquefaction

Item Type: Article
Uncontrolled Keywords: liquefaction; flexible pavement; soil vulnerability index (Kg); seismic monitoring; HVSR (Horizontal Vertical Spectral Ratio) method
Subjects: L Education > Special Education > Building Engineering Education
T Technology > TH Building construction
Fakultas: Fakultas Teknik > Pendidikan Teknik Bangunan, S1
Depositing User: mahargjo hapsoro adi
Date Deposited: 23 Dec 2020 01:57
Last Modified: 23 Dec 2020 01:58
URI: http://lib.unnes.ac.id/id/eprint/42291

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