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Çѱ¹µµ·ÎÇÐȸ / v.6, no.2, 2004³â, pp.37-45
¼¶À¯º¸°­ ¾Æ½ºÆÈÆ® Æ÷ÀåÀÇ Á¡Åº¼º °Åµ¿¿¬±¸
( Viscoelastic Behaviors of Geosynthetic-Reinforced Asphalt Pavements )
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The asphalt concrete pavement takes various advantages of better riding quality, serviceability and easier maintenance. At the same time, it addresses a weak point of the premature failures due to rapid increasement of traffic volume, heavy vehicles and high temperature in summer. It increases the expenditure of maintenance and repair. In order to improve the performance of asphalt pavement avoiding this premature failure, the use reinforcements with geosynthetics have been considered. Geosynthetics are known as an effective reinforcement to restrain fatigue and reflective cracks in asphalt pavements. In this study, a comprehensive parametric study is conducted to capture the efficiency of geosynthetic-reinforcements using viscoelastic properties of the asphalt concrete(AC) layer. The investigated parameters were reinforcement location, AC layer thickness, temperature distribution across the AC layer and modulus of AC and base layer. As a result of observations, that reinforced asphalt concrete could be used effectively for improving resistance against fatigue cracks and permanent deformation. Especially, when a geogrid was placed at the interface between the asphaltic base and the subbase, tensile stress in the horizontal direction was significantly reduced.
 
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¾Æ½ºÆÈÆ® Æ÷Àå;Á¡Åº¼º;Åä¸ñ¼¶À¯;º¸°­Àç;flexible pavement;viscoelasticity;geosynthetics;reinforcements;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.6, no.2, 2004³â, pp.37-45
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200415637508309)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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