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Çѱ¹µµ·ÎÇÐȸ / v.9, no.3, 2007³â, pp.135-143
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( Behavior of Precast Prestressed Concrete Pavements under Post-Tensioning ) |
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| The pavement system constructed by tieing a number of precast concrete slabs employing prestressing techniques is called the precast prestressed concrete pavement. The behavior of this type of pavement system under post-tensioning was analyzed using a finite element model. First, the optimal number of anchors was determined by investigating the distribution of compressive stresses in the pavement system due to post-tensioning. Then, the effects of the parameters such as the horizontal resistance of underlying layers, the pavement length, the slab thickness, and the bearing area of the anchorage on the distribution of compressive stresses were analyzed. The horizontal resistance of underlying layers induced the loss of compressive stresses, and the loss increased in the middle of the pavement. As the pavement length increased or the slab thickness decreased, the stress loss due to the horizontal resistance of underlying layers became larger. However, the bearing area of the anchorage where the compressive forces were applied did not much affect the distribution of compressive stresses. |
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| Ű¿öµå |
| ÇÁ¸®Ä³½ºÆ® ½½·¡ºê;ÄÜÅ©¸®Æ® Æ÷Àå;ÇÁ¸®½ºÆ®·¹½Ì;À¯ÇÑ¿ä¼Ò;¾ÐÃàÀÀ·Â;¼öÆòÀúÇ×;precast slab;concrete pavement;prestressing;funite element;compressive stress;horizontal resistance; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.9, no.3, 2007³â, pp.135-143
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200735836675874)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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