A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Granular Bases for Heavily Loaded Pavements
This research improves the understanding of the permanent deformation characteristics of granular materials under repeated, reversed shear loadings in flexible pavements. In the laboratory, triaxial tests provided vertical repeated loadings, and a hollow cylinder apparatus was used to apply reversing shear stresses and associated rotating principal planes. The laboratory tests were analogous to larger scale tests that were run, using vertical plate and tire loadings. It was found that higher material densities lead to large improvements in permanent deformation resistance, and permanent deformation is significantly more when stresses are reversed in both the laboratory and in the field. The findings were validated, using two fully-instrumented pilot scale trafficking tests.
Granular Bases for Heavily Loaded Pavements
This research improves the understanding of the permanent deformation characteristics of granular materials under repeated, reversed shear loadings in flexible pavements. In the laboratory, triaxial tests provided vertical repeated loadings, and a hollow cylinder apparatus was used to apply reversing shear stresses and associated rotating principal planes. The laboratory tests were analogous to larger scale tests that were run, using vertical plate and tire loadings. It was found that higher material densities lead to large improvements in permanent deformation resistance, and permanent deformation is significantly more when stresses are reversed in both the laboratory and in the field. The findings were validated, using two fully-instrumented pilot scale trafficking tests.
Granular Bases for Heavily Loaded Pavements
W. K. Chan (author) / S. F. Brown (author)
1993
170 pages
Report
No indication
English
Civil Engineering , Construction Equipment, Materials, & Supplies , Pavements , Granular materials , Deformation , Flexible materials , Shear stresses , Load distribution , Triaxial stresses , Tires , Axial loads , High density , Bituminous coatings , Test facilities , Compacting , Strain(Mechanics) , Cylindrical bodies , Computer programs , Strain rate , Structural response , Stress strain relations , Cyclic loads , Pavement bases , Foreign technology , Grading , Rutting , Slabs(Structural) , Hollow cylinders
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