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http://dx.doi.org/10.7843/kgs.2009.25.9.29

A Study on the Development of Load Transfer Curves of the Driven Steel Pipe Piles by Soil  

Lim, Jong-Seok (Civil Eng., Division of Construction Eng., Collage of Eng., Mokpo National Univ.)
Choi, Yong-Kyu (Dept. of Civil & Environmental Eng., Kyungsung Univ.)
Sim, Jong-Sun (Civil Eng., Division of Construction Eng., Collage of Eng., Mokpo National Univ.)
Park, Jong-Hee (Civil Eng., Division of Construction Eng., Collage of Eng., Mokpo National Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.25, no.9, 2009 , pp. 29-43 More about this Journal
Abstract
As computational technologies have been developed, the load transfer analysis method using load transfer curves is widely performed. Now the load transfer analysis methods are widely used in our country. But most of the curves using in the analysis have been developed in foreign countries. In this study we gathered the data of in situ pile load tests on domestic nine sites in order to derive load transfer curves of driven steel pipe piles. Then we derived average lines of $f/f_{max}$-w/D curves for sandy and clayey soils respectively, which are expressed by hyperbolic function. And the results using these curves and the results using TZPile 2.0 (Analysis program of pile) were compared and analyzed with the results of pile load tests on domestic 3 sites in order to ascertain the applicability of the curves. The results show that the load-settlement relations using the curves in this study are more similar to the measured data and more conservative than those using TZPile 2.0.
Keywords
End bearing capacity; Load transfer curve; Load transfer function; Side friction; Steel pipe pile;
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