Proceedings of the Korea Concrete Institute Conference (한국콘크리트학회:학술대회논문집)
- 2000.04a
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- Pages.303-308
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- 2000
Embeded-Steel Restraining Effects due to Differential Drying Shrinkage in SRC(Steel Reinforced Concrete ) Structures
매립형 철골합성구조의 부등건조수축에 따른 내부강재구속효과에 관한 연구
Abstract
During the past few decades, several composite steel-concrete structural systems have been used and the demand of SRC (Steel Reinforced Concrete) structure increases on the construction of coping structures. But drying shrinking of concrete which is not uniform and the additional restraining effects of encased steel in concrete may cause the crack which leads to harmful damage to structure. In this study, specimens were made to show the restraining effects of embeded-steel in concrete and the differential drying shrinkage strains at various position of concrete were measured and analysed by Compensation Line Method. The results showed that there were remarkable difference in the drying shrinkage according to 속 depth of the concrete, and the tensile stress of the concrete near to encased steel showed the significant amount of stress contrary to 속 specimen which has no embeded-steel.
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