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Study on Settlement Prediction of Highway Based on Gray-System

LIU Li-feng1,JIANG De-yi1,WANG Qing-zhen2,TIAN Jing3,LI lin1(1.Key Laboratory for the Exploitation of Southwestern Resources & the Environmental Disaster Control Engineering,Ministry of Education,Chongqing University,Chongqing 400044,China;2.Chongqing Highway Department,Chongqing 401147, China;3.Tianjing Highway Department,Tianjing 300170,China)  
A forecast model of settlement prediction of highway is established based on the sequence forecast theory of gray system,and the precision of the forecast model is analyzed by using factual data in project.By comparing the forecast data and original data,the rationality of the forecast result is shown.At last the characteristics and some problems in application of the forecast model are discussed.
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