Study on the Effect of Vibration Loads Induced by Bridge Pile Foundation Construction on Adjacent Buried Pipeline

Abstract:

Building up the 3D numerical analysis and computing model, force properties of buried pipelines under vibration loads induced by bridge pile foundation construction were researched, to evaluate and control the influence of construction vibration on adjacent buried pipeline. It was concluded that the most adverse position of impact loads effect on pipeline appeared in the upper right and lower left parts of the pipeline closed to the side away from the pile hole about a quarter of an arc. And the peritubular stress distribution curve with the change of the vibration source location were approximately sinusoidal line, parabola and the cosine line changes. Another, under the same conditions, the vibration velocity of ground above the pipeline was significantly greater than the pipeline itself vibration velocity, so through a reasonable assessing and controlling the vibration velocity of ground above the pipeline, it could be made security decisions for buried pipelines. Finally, according to the horizontal spacing of the buried pipeline and shock vibration source, the pipeline grading protection measures were proposed, with achieving better results in engineering application. Research results could provide some evidence both for the force calculation and design construction of the pipeline project, and support for scientific decision-making of the bridge pile foundation construction. It has an important social and economic efficiency.

• Periodical: Applied Mechanics and Materials (Volumes 353-356)
• Pages: 191-197
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.353-356.191
• Online since: August 2013
• Authors: Yan Hua She*
• Keywords: Buried Pipeline, Construction-Induced Vibration, Control Measure, Dynamic Response, Numerical Simulation

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