Study on Design of Asphalt Bridge Deck Pavement with Drainage and Low Heat Absorption for Large Overpass
Based on the miniaturization of construction machinery and the development of new asphalt materials,the construction technology has been fully improved,and the construction performance of asphalt mixture has been greatly improved,which lays a foundation for the development of overpass asphalt deck pavement.Relying on an air corridor project,on the basis of fully considering the existing asphalt construction technology,and combined with the heat shielding materials,OGFC drainage asphalt,warm mix technology,etc.,the asphalt bridge deck pavement with the cooling,drainage,landscaping and other special functions is designed.The waterproof and drainage design are fully considered for this bridge deck pavement,which can protect the steel bridge structure below the pavement.After engineering verification,the construction is feasible,the durability is good,the user experience has been greatly improved,and it has the functions of no water accumulation in rainy days and the obvious cooling in summer.
large overpassOGFC drain asphaltheat shielding layerasphalt bridge deck pavement
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