Load-Settlement (Q-s) Curves Fitting and Bearing Capacity Forecast of Piles with Expanded Branches and Plates

Meng Hua Fan

doi:10.4028/www.scientific.net/AMR.926-930.729

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 926-930Load-Settlement (Q-s) Curves Fitting and Bearing...

Load-Settlement (Q-s) Curves Fitting and Bearing Capacity Forecast of Piles with Expanded Branches and Plates

Abstract:

118 Q-s curves of piles cast-in-situ with expanded branches and plates bearing pressure load were fitted via trendline of Excel. Bearing capacities on 51 of the 118 piles were forecasted. 12 Q-s curves of anti-pulls piles cast-in-situ with expanded branches and plates were fitted. Through the above work, the author found that order 3 polynomial fitting model is the most reliable model for fitting Q-s curves of piles with expanded branches and plates when bearing pressure or uplift load. In order to improve the accuracy and reliability of the fitting and forecasting, multi-model should be used.

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Periodical:

Advanced Materials Research (Volumes 926-930)

Pages:

729-732

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.926-930.729

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Online since:

May 2014

Authors:

Meng Hua Fan*

Keywords:

Bearing Capacity, Excel, Fitting, Forecast, Pile Cast In Situ with Expanded Branches and Plates, Q-s Curve, Trendline

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* - Corresponding Author

References

[1] Information on http: /office. microsoft. com/en-us/excel-help/add-change-or-remove-a-trendline-in-a-chart-HP010007461. aspx.

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[2] X.J. GAO, X.L. ZHU: Forecasting Ultimate Bearing Capacity of Single Squeezed Branch Pile by Hyperbola Method, Rock and Soil Mechanics, Vol. 27 (2006) 1596-1600.

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[3] Zh.J. Xu, X.L. Zhang, G.D. Zhang, Design and Construction and Engineering Applications of New Type Pile with expanded branches and plates, 2nd ed., Mechanical Industry Press, Beijing, (2007).

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