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Headed bars were developed to address the problems that arise from the use of conventional anchorage. Previous researchers evaluated anchorage capacity of headed bars in lap splice region and CCT node. However, anchorage tests in TTC node have not been conducted. TTC Node exists in an anchorage region of cut-off tensile bars. For a wide use of headed bar, anchorage tests in TTC node should be conducted. Therefore, in this research, anchorage capacity of headed bar in TTC node was evaluated. For this TTC node tests, which consider cut-off region, were conducted. The transverse reinforcement was considered as variables. Test results present that each specimen show different failure mode according to transverse bar. Failure of specimen without transverse bar is determined by tensile failure of concrete around the head. Failure of specimen with transverse bars is determined by yield of transverse bars. The transverse bars show effect on increase of anchorage capacity. Specimens with transverse bars present the greater anchorage capacity than specimens without transverse bars.This work was supported by the Nuclear Power of the Korea institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy. (No.2011T100200162

Publisher: Techno-Press
Year: 2013
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Provided by: HANYANG Repository
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