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http://dx.doi.org/10.4334/JKCI.2014.26.1.035

Seismic Resistance of Cast-In-Place Concrete-Filled Hollow PC Columns  

Lim, Woo-Young (Dept. of Architecture & Architectural Engineering, Seoul National University)
Park, Hong-Gun (Dept. of Architecture & Architectural Engineering, Seoul National University)
Oh, Jung-Keun (Construction Technology Center, Samsung C&T Engineering and Construction Group)
Kim, Chang-Soo (Construction Technology Center, Samsung C&T Engineering and Construction Group)
Publication Information
Journal of the Korea Concrete Institute / v.26, no.1, 2014 , pp. 35-46 More about this Journal
Abstract
Two types of cast-in-place concrete-filled hollow PC (HPC1, HPC2) columns were developed to reduce lifting load of heavy-weight PC columns and to improve the structural integrity of joints. To form the hollow PC columns, a couple of prefabricated PC panels was used for HPC1, and special hoops were used for HPC2. Lateral pressure of wet concrete on PC faces was measured while placing the concrete inside the columns. To evaluate the seismic resistance, full scale specimens of two HPC columns and a conventional RC column were tested under combined axial compression and lateral cyclic loading. The test results showed that the structural performance of the proposed HPC columns such as intial stiffness, maximum strength, and displacement ductility was comparable to that of the conventional RC column, but the energy dissipation of HPC2 slightly decreased after rebar-buckling. However, all the test specimens satisfied the energy dissipation requirement specified in ACI 374.
Keywords
hollow PC column; cast-in-place concrete core; seismic resistance;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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