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Analysis on the Traffic Load Adaptability of Semi-Rigid Base Asphalt Pavement

Author: HangFei
Tutor: HouXiangShen
School: Harbin Institute of Technology
Course: Road and Railway Engineering
Keywords: Semi - rigid asphalt pavement Traffic loads Pavement Performance Suitability
CLC: U416.217
Type: Master's thesis
Year: 2007
Downloads: 117
Quote: 1
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Abstract


Semi - rigid asphalt pavement is one of the main forms of the pavement structure . In recent years, with the large-scale semi- rigid asphalt pavement structure construction and put into operation , and found that some of the pavement structure , traffic load carrying capacity and design values ??there are large differences in the actual use . Remains a lot of the road in a large area of ??damage , failed to meet the design traffic load Tianjin Wai Road withstand the cumulative equivalent standard axle loads of up to one hundred million times in better performance . For the above phenomenon , from actual observations of pavement performance data , the analysis of the traffic load of the semi- rigid asphalt pavement adaptability . The paper first analyzes Tianjin road network traffic characteristics and the overall use of the road , according to the road conditions over the years in Tianjin detection , maintenance and repair information and axle load testing station survey data , analysis of six typical pavement structure pavement damaged condition PCI flatness standard deviation σ , the pavement strength SSI with the accumulated equivalent of the law between the axle Ne ; Jinwei highway the two pavement structure different use in the same traffic conditions , performance , Jinwei highway good use performance underlying reasons. Pavement specification quality evaluation indicators and evaluation methods , and the road surface is divided into five levels . Combined with the six typical pavement structure , the use of performance variation , respectively pavement damaged condition , flatness , strength index analysis pavement structure is able to withstand traffic loads within five levels . Determine the semi - rigid asphalt pavement traffic load adaptability. Recommended structure is given based on the performance of the actual use of the six typical pavement structure , new construction, renovation pavement under various traffic level conditions .

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering > Road : use of the material points > Asphalt Pavement
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