Paper Title:
Current Use of Prestressed Concrete Pipe Piles Founded in Silty Geomaterials
  Abstract

Prestressed concrete pipe piles have been increasingly used as deep foundation structures for decades. Despite the availability of a limited number of well-instrumented load test results, pile designers would like to know the general performance of such piles in case of lacking adequate experience. An attempt is made in this study to establish a database composed of more than one thousand of pile tests. All piles are founded in silty soil that is one of the competent bearing geomaterials. Short and medium-length piles with slenderness ratios ranging from 20 to 80 are most widely used. The capacity of pile increases with increasing the pile slenderness ratio until a limiting value is achieved. Use of very long piles to reduce settlement is unfavorable and the rebound rates for piles with various lengths are similar. An independent case study is also conducted to witness the success of employing the empiricism-based analyses in the preliminary design of concrete pipe piles.

  Info
Periodical
Advanced Materials Research (Volumes 168-170)
Edited by
Lijuan Li
Pages
116-120
DOI
10.4028/www.scientific.net/AMR.168-170.116
Citation
F. Yu, J. Y. He, Z. M. Zhang, "Current Use of Prestressed Concrete Pipe Piles Founded in Silty Geomaterials", Advanced Materials Research, Vols. 168-170, pp. 116-120, 2011
Online since
December 2010
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Price
$32.00
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