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http://dx.doi.org/10.7843/kgs.2016.32.9.5

Calculation of Base Load Capacity of Bored Pre-cast Piles Using New PHC PIles with Steel Pipe at Pile Toe  

Paik, Kyu-Ho (Dept. of Civil Engrg., Catholic Kwandong Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.32, no.9, 2016 , pp. 5-16 More about this Journal
Abstract
New PHC piles, where short steel pipes are attached to the pile toe, are developed to increase the base load capacity of bored pre-cast piles embedded in weathered rock. In this study, new bored pre-cast piles using the new PHC piles are installed at 7 test sites with different soil conditions, and static and dynamic pile load tests are performed to investigate quantitative characteristics on the base load capacity of new bored pre-cast piles. In addition, based on the static pile load test results, a new empirical equation for estimating the base load capacity of new bored pre-cast piles is proposed. A comparison between predicted and measured base load capacities shows that the proposed empirical equation produces conservative predictions for the new bored pre-cast piles. However, the existing design criterion significantly underestimates the base load capacity of new bored pre-cast piles.
Keywords
Base load capacity; Bored pre-cast pile; Empirical equation; Full-scale pile load test; New PHC pile;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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