한국콘크리트학회:학술대회논문집 (Proceedings of the Korea Concrete Institute Conference)
- 한국콘크리트학회 1998년도 봄 학술발표회 논문집(I)
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- Pages.327-332
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- 1998
부등건저수축으로 인한 콘크리트 구조물의 응력해석
The Analysis of Concrete Structures due to Differential Shrinkage
초록
Drying shrinkage means the reduction of volume of concrete because of the loss of water in concrete. This shirinkage can cause tensile stresses, crack formations at the exposure surfaces in concretes. The purpose of this paper is to apply differential shrinkage model which uses moisture diffusion equation and to calculate more reasonable shrinkage quantity, the stresses of concretes. The result of this papar is that the mean value of differential shrinkage is similar to the existing result but at exposures surface the shrinkage strains are more large. From this result the possiblility of crack formation can take place. Thus a resonable counterplan for tensile stresses in exposure surfaces is necessary.
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