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Assesment of Load and Resistance Factored Design Value for PHC Driven Pile
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 Title & Authors
Assesment of Load and Resistance Factored Design Value for PHC Driven Pile
Park, Jong-Bae; Park, Yong-Boo; Lee, Bum-Sik; Kim, Sang-Yeon;
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Driving a prefabricated pile is the efficient construction method with low cost and excellent bearing capacity charateristics. But pile drinving method has often been changed to bored pile method with mechanical boring due to the unexpected problems occurred in the various domestic ground condition with landfill. So, pile driving method has more uncertainty than the Bored Pile method. This paper proposed LRFD design value which is one of limit states design method for the PHC driven pile used as building foundation to guarantee the reliable design with reduced uncertainty. This paper analysed 221 dynamic load test results(E.O.I.D : 93, Resrike : 128) and the different methods of estimating bearing design(Meyerhof method & SPT-CPT conversion method), and proposed LRFD value for each design reliability Index 2.33 and 3.0 for PHC driven pile. LRFD value of PHC driven pile represents 0.43~0.55 for Meyerhof method and 0.40~0.49 for SPT-CPT conversion method according to the deign reliability index.
PHC Pile;Driven Pile;Limit States Design Method;LRFD(Load and Resistance Factored Design Method);Deign Reliability Index;
 Cited by
국토해양부(2010), 도로교 설계기준 해설, 한국도로교통협회, 838-848.

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