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Type: Conference paper
Title: HVSR recording duration for regolith sites: an experimental approach
Author: Setiawan, B.
Jaksa, M.
Griffith, M.
Love, D.
Citation: Proceedings of the 10th Pacific Conference on Earthquake Engineering - Building an Earthquake-Resilient Pacific, 2015, pp.1-6
Publisher: Australian Earthquake Engineering Society
Issue Date: 2015
Conference Name: 10th Pacific Conference on Earthquake Engineering (10PCEE2015) (6 Nov 2015 - 8 Nov 2015 : Sydney, NSW)
Statement of
B. Setiawan, M. B. Jaksa, M. C. Griffith, D. Love
Abstract: The application of the horizontal vertical spectral ratio (HVSR) technique using microtremor measurement to quantify the natural period of sites in urban areas is widely used around the world. However, this technique is still under development in regions with low impedance contrast between the top layer and the underlying bedrock, such as regolith. This paper investigates the recording duration of the aforementioned method for quantifying the site fundamental frequency in regolith environments. An experimental study has been carried out at a regolith site where two days of continuous data acquisition are used to investigate the HVSR technique measurement duration. A series of reliability tests were applied to the HVSR analysis results. The analyses suggest that at least 20 minutes duration is required for more reliable HVSR analysis results at regolith sites.
Rights: Copyright status unknown
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Appears in Collections:Aurora harvest 7
Civil and Environmental Engineering publications

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