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- Title
A study on the flexural behavior of lap-spliced cast-in-place joints under static loading in ultra-high performance concrete bridge deck slabs.
- Authors
Hoonhee Hwang; Sung Yong Park
- Abstract
In this paper, the results of basic tests conducted to evaluate the flexural behavior of lap-spliced joints that exploit the remarkable bonding performance of ultra-high performance concrete (UHPC) are presented. The effects of varying the lap-spliced length and joint length on the flexural behavior of the test members were examined. The failure pattern, load–deflection relationship, and load–strain relationship obtained by the static loading test were then analyzed with respect to the details of the joints. The results suggest lower bounds for the major test variables. A modified model, which considers the bonding performance of UHPC at the joint interface and the yield behavior of the reinforcement, is suggested on the basis of analytical models proposed for UHPC sections in previous studies. The corresponding results for this model are then compared with the test results.
- Subjects
FLEXURAL strength; JOINTS (Engineering); CONCRETE bridges; CONCRETE slabs; HIGH strength concrete; DEAD loads (Mechanics); CAST-in-place concrete; FAILURE mode &; effects analysis
- Publication
Canadian Journal of Civil Engineering, 2014, Vol 41, Issue 7, p615
- ISSN
0315-1468
- Publication type
Article
- DOI
10.1139/cjce-2013-0281