Empirical Correlation of Shear Wave Velocity And N-Spt Value for Jakarta

Achmad Fauzi, Abdul Wahab and Irsyam, Masyhur and Fauzi, Usama Juniansyah (2014) Empirical Correlation of Shear Wave Velocity And N-Spt Value for Jakarta. International Journal of GEOMATE, 7 (1). pp. 980-984. ISSN 2186-2982 (print); 2186-2990(online). (Published)

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This paper proposes an equation representing shear wave velocity (Vs) as a function of SPT blow count (N-SPT). The equation is generated by statistical regression of site investigation data at many building project in Jakarta. The N-SPT values and Vs values were obtained from the same boreholes between 2005 and 2012. The Vs values were obtained by the downhole seismic survey. A total of 22 building and 35 borings provided 234 pairs of N-SPT and Vs values were used to get a regression equation. The new and previously suggested formulae have been compared and evaluated by using the same dataset. Wave propagation analysis require Vs as an input parameter, and the empirical equation may be useful for estimating Vs at site where only N-SPT data available. The information of empirical correlation can and perhaps should be considered in developing microzonation map of Jakarta as inputs in a continuous process of risk assessment and disaster mitigation risk reduction.

Item Type: Article
Uncontrolled Keywords: Downhole seismic survey; Shear wave velocity; Standard penetration test; Jakarta soil; In-situ test
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Noorul Farina Arifin
Date Deposited: 27 Jun 2014 05:39
Last Modified: 03 Mar 2015 09:27
URI: http://umpir.ump.edu.my/id/eprint/6014
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