건조수축에 의한 철근콘크리트 부재의 곡률과 처짐Curvature and Deflection of Reinforced Concrete Member Due to Shrinkage

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Deflections due to warping are frequently ignored in design calculation. For thin member, shrinkage deflection results in important and objectionable additions to the dead load deflection. Thus it may be desirable to consider warping effects due to shrinkage for thin member. Some methods for computing shrinkage curvature have been proposed by many researchers. The approximate methods widely used in the recent years are the equivalent tensile force method. Miller's method and Branson's method (an empirical method based on Miller's approach extended to include doubly reinforced beams). These method were somewhat oversimplified and could be too conservative in the case of well cured concrete structure. In this paper, the approximate method for computing shrinkage curvature are reviewed and new approximate method based on the Age-Adjusted Effective Modulus method is proposed.
Publisher
한국콘크리트학회
Issue Date
1998-04
Language
KOR
Citation

1998 한국콘크리트학회 봄 학술대회, pp.333 - 338

URI
http://hdl.handle.net/10203/124967
Appears in Collection
CE-Conference Papers(학술회의논문)
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