In windy, dry and torrid regions, early-age cracking severely threatens airfield pavement durability. In the light of the analysis of drying shrinkage mechanism of pavement concrete, a model for drying shrinkage deformation of early-age pavement concrete was designed. Besides, the model was validated with experimental data. The result of experiment shows: as to the pavement concrete of w/c=0.35, drying shrinkage strain can approximately reach 1.8 mm/m during 20 days after casting, and the shrinkage strain rate is relatively high in early 7 days; drying shrinkage strain of pavement concrete is an exponential function of time.
Drying Shrinkage Model of Airfield Pavement Concrete in Windy, Dry, and Torrid Regions
Second International Conference on Transportation Engineering ; 2009 ; Southwest Jiaotong University, Chengdu, China
2009-07-29
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Highways and roads , Airport and airfield runways , Information technology (IT) , Transportation management , Construction , Concrete pavements , Freight transportation , Cracking , Water transportation , Shrinkage , Air transportation , Rail transportation , Optimization , Public transportation , Dewatering , Traffic management
Drying Shrinkage Model of Airfield Pavement Concrete in Windy, Dry, and Torrid Regions
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