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Experimental Study on Dynamic Modulus of Asphalt Concrete Reinforced by Polyester Fiber

Author: SunLueLun
Tutor: ZhaoYingHua
School: Dalian Maritime University
Course: Road and Railway Engineering
Keywords: Polyester fiber asphalt concrete Resilient Modulus Dynamic modulus Reasonable fiber content Dynamic parameter design
CLC: U414
Type: Master's thesis
Year: 2006
Downloads: 285
Quote: 6
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Abstract


Virtuous circle of mutual promotion and coordinated development in the economic and transportation process , China 's highway construction in the time of nearly a decade of rapid development , highway mileage rapid growth year after year , and has made remarkable achievements . However , while impressive to see China 's highway construction , and have to admit that a significant number of China's highways , the status quo of insufficient quality . Of highway road transport and annual temperature difference between a combination of factors such as the role overload , early damage is particularly serious . Polyester fiber asphalt mixture is a new road composites can effectively improve the the pavement high temperature stability , low temperature crack resistance , fatigue resistance , etc. pavement performance and extend the life of the road . This study was designed by the Research and Design of polyester fiber asphalt mixture dynamic modulus test for a deeper study of this new type of pavement . First, start from the static test methods resilient modulus fiber asphalt mixture , and in this way based on the determination of the dynamic modulus of the material under dynamic loads . Fiber asphalt concrete compressive strength test , resilient modulus , dynamic modulus , drawn a reasonable fiber content when only consider improving the road modulus factors with the variation of the fiber content of 0.2% to 0.25% . Finally, the reference to the relationship between static and dynamic modulus mixes by the AC-13 fiber asphalt tests , certain sections of Liaoning Province were static and dynamic parameters of the pavement design , considering the design modulus Designing Deflection and Deflection the impact of the correction factor and other factors , through the design process and the design results of these two methods are compared , raised pavement design method of dynamic parameters . And polyester fiber asphalt pavement pavement design of static and dynamic parameters , the design results show that the economy and practicality of this new material .

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CLC: > Transportation > Road transport > Road works > Road construction materials
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