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《Journal of Tongji University(Natural Science)》 2008-12
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Aircraft Load Repetition Calculation Methods Based on Pavement Responses

LI Qing,ZHAO Hongduo,YAO Zukang(Key Laboratory of Road and Traffic Engineering of the Ministry of Education,Tongji University,Shanghai 201804,China)  
Methods of aircraft repeat load analyses are discussed in this paper, which are used in mechanistic-empirical pavement design procedure.According to the general pavement design concept advanced by Monismith,the load repetition calculating methods for fatigue and rut analysis are put forward based on a study of the spatial pavement responses.For fatigue analyses,the specific formulas of single axle about stress and strain repetition are put forward,along with the load repetition calculating methods under the impact of mutiple axles.Based on a study of A380's complex gear,the calculating methods for the new generation large aircraft are proposed.The load repetition calculating methods of flexible pavement for rut analyses are similar to that for fatigue analysis.For the semi-rigid asphalt pavement,its load repetition calculating methods can be established according to the maximum trace trip and total loading time.
【Fund】: 国家“八六三”高技术研究发展计划资助项目(2006AA11Z111);; 教育部高等学校博士学科点专项科研基金资助项目(20050247009)
【CateGory Index】: V216.3
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