포스트텐션용 정착구의 하중전달 특성에 관한 연구Load Transfer Characteristics of Post-Tensioning Anchorage

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This paper presents the results from experimental study that investigated to explore the load transfer characteristics of post-tensioning anchorage zones. The experimental program investigated the primary variables which affect the ultimate load, lateral strains and crack width: concrete compressive strength, details of reinforcement and shape of anchorage. Through this research, it was found that the governing factor of the ultimate load was not compressive cylinder strength but tensile splitting strength. Ultimate load was increased and lateral strain was decreased as the ratio of spiral increased because the lateral expansion of th concrete inside the spiral was restrained by the spiral. Furthermore, the shape of anchorage which can diminish the wedge effect of anchorage and disperse the anchorage force in various depths was more effective.
Publisher
한국콘크리트학회
Issue Date
2000-04
Language
KOR
Citation

2000 한국콘크리트학회 봄 학술대회, pp.657 - 662

URI
http://hdl.handle.net/10203/138130
Appears in Collection
CE-Conference Papers(학술회의논문)
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