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Assessment of Optimum Reinforcement of Rebar for Joint of PHC Pile and Foundation Plate
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 Title & Authors
Assessment of Optimum Reinforcement of Rebar for Joint of PHC Pile and Foundation Plate
Park, Jong-Bae; Sim, Young-Jong; Chun, Young-Soo; Park, Seong-Sik; Park, Yong-Boo;
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Method of protruding steel bar embedded in PHC pile for connecting with foundation plate is an intermediate form of fixed and hinged connection and has often been used in architectural structures such as apartment complex. However, mechanical properties of this method have not been proved and its construction process is not simple. In this study, therefore, by analyzing previous research and by considering ratio of steel bar and concrete in PHC pile, which is minimum reinforcement of rebar, the newly optimized method of reinforcing joint of PHC pile and foundation plate is suggested with respect to PHC pile type (PHC 450, PHC 500, and PHC 600). To assess mechanical properties (ultimate tensile and shear strength) of joint of PHC pile and foundation plate, full scale experimental tests are performed. As a result, all cases are satisfied with required design criteria and can be practically applied. Our results indicate that reduction of rebar reinforcement compared to previous method would lead cost saving in PHC pile construction.
Joint of PHC Pile;Minimum Reinforcement of Rebar;Tensile Strength Test;Shear Strength Test;
 Cited by
PHC말뚝과 확대기초 연결방법에 따른 접합부 거동,방진욱;오상진;이승수;김윤용;

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