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Çѱ¹µµ·ÎÇÐȸ / v.10, no.4, 2008³â, pp.171-180
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( Experimental Analysis of Curling Behavior of Concrete Slabs on Grade under Temperature Loading and Underlying Layers' Effects ) |
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| This study was conducted to analyze the curling behavior of concrete slabs on grade under temperature loading through the laboratory tests and to investigate the effects of the support conditions of underlying layers on the curling behavior of the slab on grade systems. For the laboratory tests, the concrete slabs were fabricated and the temperature measurement sensors were installed. The temperature loading was applied intentionally and the time histories of the vertical displacements of the slab at several different positions were measured. One-layered underlying layers were made using different materials and different thicknesses. Two-layered underlying layers were also made to have the same composite stiffness each other, but the material of the upper layer was designed to be different The experimental analysis results showed that the trend of the displacement time histories of the slab was basically the same as that of the temperature gradient time histories. The characteristics of the curling behavior of the slab were analyzed by separating the regions of curling up and curling down. The difference in the vertical displacements at the center and comer decreased as the stiffness of the underlying layer became larger, and the upper layer's material of the underlying layers affected the curling behavior of the slab. |
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| Ű¿öµå |
| ÄÜÅ©¸®Æ® ½½·¡ºê;Äøµ;Äþ÷;Äôٿî;ÇϺÎÃþ;¿Âµµ±¸¹è;concrete slab;curling;curl up;curl down;underlying layer;temperature gradient; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.4, 2008³â, pp.171-180
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806135607950)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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