2012
DOI: 10.4028/www.scientific.net/amr.446-449.362
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Nature Frequency Identification of Prestressed Concrete Beam with RBF Network

Abstract: Abstract. The relationship of pre-stressed concrete (PSC) beam natural frequency and pre-stressed force is difficult to described accurately with mechanical model. The past experimental data are collected. Then five unbonded post-tensioned PSC beams are designed. Frequencies and damps are collected in the dynamic experiment of five PSC beams. Radial basis function neural network is constructed to identify the natural frequencies of prestressed beam with different levels prestressing force based on previous tes… Show more

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