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http://dx.doi.org/10.4334/JKCI.2007.19.4.433

Experimental Study on the Static Behavior of the Spliced PSC Box Girder  

Chung, Won-Seok (Track & Civil Engineering Dept., Korea Railroad Research Institute)
Kim, Jae-Hueng (Sampyo E&C)
Chung, Dae-Ki (Daewoo Construction & Engineering)
Publication Information
Journal of the Korea Concrete Institute / v.19, no.4, 2007 , pp. 433-439 More about this Journal
Abstract
The main objective of the paper is to investigate the static behavior of a prestressed concrete (PSC) girder that has been spliced with precast box segments. A 20 m long full-scale spliced PSC girder is fabricated and tested to compare its static performance against a monolithic girder. The monolithic girder has the same geometric and material properties with respect to the spliced girder. This includes infernal strain, deflections, neutral axis position, and crack patterns for both girders. The test also consists of monitoring relative displacements occurring across the joints. Both the horizontal displacement (gap) and vertical displacement (sliding) are measured throughout the loading procedure. All results have been compared to those obtained from the monolithic girder. It has been demonstrated that the spliced girder offers close behavior with respect to the monolithic girder up to the crack load. Both girders exhibits ductile flexural failure rather than abrupt shear failure at joints.
Keywords
prestressed concrete; spliced girder; behavior; connection;
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