Journal of Advanced Concrete Technology
Online ISSN : 1347-3913
Scientific paper
Bearing Stiffness of UHPC; An Experimental Investigation and A Comparative Study of Regression and SVR-ABC Models
Amin KhazaeeuMansour Ghalehnovi
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Volume 16 (2018) Issue 3 Pages 145-158

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Abstract

In this paper results of an experimental investigation on the bearing stiffness (Kf) of Ultra-High Performance Concrete (UHPC) under dowel bars are summarized. The effect of concrete strength, bar diameter, and location of the bar in concrete were investigated. By considering these parameters as input variables, several linear and nonlinear regressions and also Support Vector Regressions (SVRs) by incorporating different kernels are constructed, trained and tested to predict the Kf of UHPC. Comparing the results show that in the regression models, quadratic polynomial is more feasi-ble in predicting the Kf of UHPC than other proposed functions and among the various kernels, SVR with radial basis function (RBF) kernel exhibits better results than other kernels.

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© 2017 by Japan Concrete Institute
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