Abstract
According to the engineering features of higher pile-column bridge pier in mountainous area, a clamped beam mechanical model was set up by synthetically analyzing the higher pile-column bridge pier buckling mechanism. Based on the catastrophe theory, the cusp catastrophe model of higher pile-column bridge pier was established by the determination of its potential function and bifurcation set equation, the necessary instability conditions of high pile-column bridge pier were deduced, and the determination method for column-buckling and lateral displacement of high pile-column bridge pier was derived. The comparison between the experimental and calculated results show that the calculated curves agree with testing curves and the method is reasonable and effective.
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Foundation item: Project(50578060) supported by the National Natural Science Foundation of China
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Zhao, Mh., Jiang, C., Cao, Wg. et al. Catastrophic model for stability analysis of high pile-column bridge pier. J Cent. South Univ. Technol. 14, 725–729 (2007). https://doi.org/10.1007/s11771-007-0138-5
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DOI: https://doi.org/10.1007/s11771-007-0138-5