Mathematical models for determining the radius of r-wave propagation due to pile driving using dimensional analysis

Duong Hong Tham ()
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Duong Hong Tham: Ho Chi Minh City Open University, Vietnam

HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, 2013, vol. 3, issue 1, 72-79

Abstract: This paper represents a method of establishing a mathematical model for determining the radius of R-wave propagation during pile driving. It is necessary to point out the relation between the pile driving energy, duration of pile driving, soil medium, damping and other factors. Dimensiol Matrix Method has been used specifically to create two groups of dimensionless π-terms, i.e mathematical expressions regarding these variables or factors. Results indicates the radius of R-wave propagation: a) is proportioning to the square root of Energy; b) inversely varies to density of soil medium; and c) fastly decrease with distance to the power (-3/2) of distance. Power form of dimensionless products π-terms may be suitably studied to find out which variable affects most to predictor using sensitivity analysis.

Keywords: Dimensional analysis; R-wave; pile driving energy (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:bjw:techen:v:3:y:2013:i:1:p:72-79

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