In recent years, rapid energy development in Texas has caused significant damage to many farm-to-market (FM) roads, which traditionally have a thin asphalt surface layer plus a stabilized base directly over the sub-grade. These roadways were often rehabilitated with full-depth reclamation (FDR), and often 2 to 3 percent cement was added to the pulverized existing materials. These roadways performed well under normal traffic loads but failed dramatically under the energy-sector truck loads. Figure 1 shows the damaged FM roads. The impact of overloading traffic on pavement damage is not only limited to FM roads; it also has significant influence on the pavement life of state highways and even interstate highways. There is an urgent need to repair many of these badly damaged roadways in all energy development areas. This project: (1) Determined traffic conditions (in terms of actual-axle load level) for pavement designs in the energy development areas. (2) Developed material options for handling the early trafficking requirement. (3) Recommended improved pavement designs for overloaded vehicles.
Designing Pavements to Support the Heavy Loads in the Energy Development Areas, Project Summary
2018
2 pages
Report
Keine Angabe
Englisch
Road Transportation , Transportation & Traffic Planning , Construction Equipment, Materials, & Supplies , Highway Engineering , Civil Engineering , Construction Management & Techniques , Construction Materials, Components, & Equipment , Ablative Materials & Ablation , Composite Materials , Miscellaneous Materials , Concrete pavement , Flexible pavement , Thin asphalt surface , Full-Depth Reclamation (FDR) , Roadways , Pavement damage , Traffic conditions , Overload , Load spectrum , Heavy loads , Recommendation , Trafficking requirement , Highways , State highways
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