| National and provincial trunk highway playing a pivotal role,as an important economic corridor of regional economic development. However, The trunk roads built very early,its technical standards of design and construction are relatively low, Trunk Highway severely damaged, Due to financial restrictions and the strength uneven of the old road affect the conventional program of maintenance and reconstruction ineffective,especially in some lake areas,Pavement severely damaged during the initial period, In order to improve the level of Lake highway reconstruction,carrying out " Research on the Adaptability of Reconstruction Structure of Trunk Highway Asphalt Pavement under Heavy Loading in Lake Area " has great significance.In this paper, Based on the Hubei Highway bureau subsidized project of "The research on technology of structure and materials of Trunk highway asphalt pavement in Lake area" , The data was collected under investigation of field survey. A analysis of the causes of various diseases on asphalt pavement in exceptional topography, hydrological and meteorological geological conditions in lake area ; according to actual situation of 318 national highway,presented three kinds of structure schemes,that are semi-rigid, flexible and rigid asphalt pavement,to explore reasonable structure of the asphalt pavement in the Lakes area, and used large common software ANSYS10.0 to analyse the design of the three kinds of surface structure of the mechanical response, research the influence of internal stress on the road on Used-road Strength and Anisotropy of graded broken stone ,used our country design method and AASHTO method to verify the structure;on the trial road construction process, carried out a detailed analysis of the phenomenon of Aggregate Segregation, and suggest improvementsIn the end, according to structural design of three types, constructed the test section of 10.2 kilometre and tested the test section. |
