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http://dx.doi.org/10.4334/JKCI.2016.28.2.129

Cyclic Lateral Loading Test for Cast-In-Place Concrete-Filled Hollow PC Columns Using Permanent Inner form  

Lee, Ho-Jun (Dept. of Architecture & Architectural Engineering, Seoul National University)
Park, Hong-Gun (Dept. of Architecture & Architectural Engineering, Seoul National University)
Kim, Chang-Soo (School of Civil Engineering, Shandong Jianzhu University)
Hwang, Hyeon-Jong (College of Civil Engineering, Hunan University)
Publication Information
Journal of the Korea Concrete Institute / v.28, no.2, 2016 , pp. 129-139 More about this Journal
Abstract
Cast-in-place concrete-filled hollow PC (HPC) columns are used to reduce lifting load of heavy-weight PC columns and to improve the structural integrity of joints. In the present study, a new type of HPC column was proposed to improve the productivity and structural integrity of the concrete. To form the hollow PC columns, a permanent inner form was prefabricated using structural deck plates and penetrated lateral bars. Half-scale specimens of four HPC columns were tested under combined axial compression and lateral cyclic loading to evaluate the seismic resistance. In the design of test specimens, various parameters such as the spacing of lateral re-bars, the use of steel fiber, and the thickness of PC cover were considered. The test results showed that the proposed HPC columns generally exhibited satisfactory load-carrying capacity and deformation capacity without brittle failure of PC. If closely spaced hoops or fiber reinforcements are used for PC, the deformation capacity can be improved further by restraining PC spalling.
Keywords
hollow PC column; mega column; deck plate; FRC; cyclic loading test;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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