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A platform for research: civil engineering, architecture and urbanism
Discussion of Coverage for Airport Asphalt Pavement Design
Coverage is an important parameter in the airport pavement design. Coverage calculating method in CBR pavement design method of FAA and UFC are detailed. In those methods the load repetitions can be considered using pass-to-coverage ratio. The ration is calculated base on the wheel-path distribution on pavement surface, which is not corresponding to the damage caused by the stress or strain within pavement depth. The calculating position is moved from surface to the top of subgrade in LEDFAA 1.3, while the lateral distribution of strain is considered as uniform not a normal distribution. There are no specific definitions of coverage in the specifications for asphalt concrete pavement design in China. For a pavement design method which can satisfy the New Generation Large Aircraft, such as A380, the coverage should be considered base on pavement spatial responses. The general pavement design concept advanced by Monismith gives a good idea to develop coverage calculation method.
Discussion of Coverage for Airport Asphalt Pavement Design
Coverage is an important parameter in the airport pavement design. Coverage calculating method in CBR pavement design method of FAA and UFC are detailed. In those methods the load repetitions can be considered using pass-to-coverage ratio. The ration is calculated base on the wheel-path distribution on pavement surface, which is not corresponding to the damage caused by the stress or strain within pavement depth. The calculating position is moved from surface to the top of subgrade in LEDFAA 1.3, while the lateral distribution of strain is considered as uniform not a normal distribution. There are no specific definitions of coverage in the specifications for asphalt concrete pavement design in China. For a pavement design method which can satisfy the New Generation Large Aircraft, such as A380, the coverage should be considered base on pavement spatial responses. The general pavement design concept advanced by Monismith gives a good idea to develop coverage calculation method.
Discussion of Coverage for Airport Asphalt Pavement Design
Zhao, Hongduo (author) / Ling, Jianming (author)
Seventh International Conference of Chinese Transportation Professionals Congress (ICCTP) ; 2007 ; Shanghai, China
2008-03-21
Conference paper
Electronic Resource
English
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