Study on Reliability of Bracing Structure for Foundation Pit by Excel Optimization Algorithm

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Abstract:

On the basis of the theory of structure reliability, the optimization algorithm according to the geometric significance of the reliability index and the checking point method are studied to calculate the reliability of the bracing structure for foundation pit. Combined with a soil nailed wall engineering example, the primary data calculation table is established to solve the non-linear programming problem adopting the embedded planning solving method of Excel software and the results indicate that the reliability index and the coordinates of the checking point are same nearly using the checking point method and Excel planning solving method, but the latter is more efficient and convenient than the former, it means that it is feasible to calculate the reliability index of the bracing structure for foundation pit by Excel optimization algorithm.

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1722-1725

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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