Title: Research on Structure Combination of Long Life Asphalt Pavement
Abstract: The paper advanced 3 indexes for the design of long life asphalt pavements: maximal tension strain at the bottom of asphalt pavement,maximal compression strain at the top of subgrade and rutting depth of asphalt pavements.Afterwards,it analyzed 5 long life asphalt pavement structures,including long life asphalt pavements with flexible base and long life asphalt pavements with semi-rigid base,and real parameters were used in the analysis.Finally,checking computations of the design indexes were done based on the results.The analysis indicated that,the location of maximum tension strain of long life asphalt pavements with semi-rigid base is near the top of asphalt pavement,but the location of maximum tension strain of long life asphalt pavements with flexible base is at the bottom of asphalt pavement;and the shear stress distribution is also different in the 2 kinds of pavements.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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