Design method for durable bituminous pavement with layer-by-layer progressively-increased structural layer life
A kind of asphalt pavement and durability technology, which is applied to the coagulation pavement paved on site, roads, roads, etc., can solve the problems of easy damage and unreasonable design of asphalt pavement, so as to improve the design level and service life, and improve road construction Quality and Service Levels, Effects of Reducing Life Cycle Costs of Asphalt Pavements
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[0036] 1. Strength criterion, resistance model and design method of durable asphalt pavement
[0037] Through the strength test of asphalt mixture under three-dimensional complex stress state, the strength theory and failure criterion of asphalt mixture under complex stress state are established. The strength theory and failure criterion are the closest to the actual situation of asphalt pavement. Intensity control parameters and standards.
[0038]According to the typical failure forms (such as deflection, rutting, cracking, etc.) of the existing representative expressway asphalt pavement in my country, through data collection, field tests and theoretical analysis, the main influencing factors of various typical failure forms are clarified and their evolution is revealed On this basis, re-understand the damage mode, failure criterion and damage source of asphalt pavement.
[0039] According to the different levels and functions of the surface layer and the base structure, the...
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