Seismic Surface Wave Testing for Investigating the Shallow Soil Profile

Abstract:

This research explores the use of the seismic surface wave technique which is called as a spectral analysis of surface wave (SASW) for investigating the shallow soil profile. The testing was conducted on soft ground located at Universiti Tun Hussein Onn Malaysia (UTHM). The testing was conducted using a new developed in-house seismic surface wave testing system. An impact source using 5 kg hammer is used to generate seismic energy and four differencesarrangement of the source to receiver distances to produce soil profile. The profile of phase velocity was obtained at a depth of 0.15 m to 1.8 m were between 68 m/s and 95 m/s. The results were calibrated with the hand vane shear test which is used to obtain the undrained shear strength and thus converted empirically to seismic velocity at 45 m/s and 95 m/s. The result shows good agreement between velocity obtained from the surface wave testing system and hand vane shear test. Therefore, the new developed in-house seismic surface wave system has been proven can be used to determine the seismic velocity at shallow depth.

• Periodical: Applied Mechanics and Materials (Volumes 773-774)
• Pages: 1565-1568
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.773-774.1565
• Online since: July 2015
• Authors: Zainudin Siti Zuraidah*, Aziman Madun, Joret Ariffuddin, L.A. Mohammad Faiz
• Keywords: Non Destructive Testing, Seismic Surface Wave, Surface Wave

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