Thesis
Performance of reinforcement lap splices in concrete masonry
Washington State University
Master of Science (MS), Washington State University
2009
Handle:
https://hdl.handle.net/2376/103664
Abstract
This research investigated the performance of reinforcement lap splices in concrete masonry panels. Reinforcement lap splices in twelve concrete masonry panels were constructed and subjected to direct tension loading. The effects of reduced masonry cover, reinforcement distribution in the cells, and positioning of the transverse reinforcement inside or outside the spliced region were investigated. Results from the tests of the lap splices indicate that transverse reinforcement restrains tension cracking in the masonry and improves splice performance. The current Masonry Standards Joint Committee (MSJC) provisions are conservative in predicting the strength of the splices. The MSJC provisions including a modification factor recently proposed based on research at the National Concrete Masonry Association provided a reasonable prediction of lap splice performance when the transverse reinforcement is placed inside the spliced region. Accuracy of the prediction was reduced when the transverse reinforcement was placed outside the spliced region. The distribution of the spliced reinforcement has a significant effect on performance. For the same amount of reinforcement, the splices performed better when distributed in adjacent masonry cells rather than being concentrated in one cell.
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Details
- Title
- Performance of reinforcement lap splices in concrete masonry
- Creators
- Christophe De Vial
- Contributors
- David I. McLean (Degree Supervisor)
- Awarding Institution
- Washington State University
- Academic Unit
- Civil and Environmental Engineering, Department of
- Theses and Dissertations
- Master of Science (MS), Washington State University
- Publisher
- Washington State University; [Pullman, Washington] :
- Identifiers
- 99900525073501842
- Language
- English
- Resource Type
- Thesis