A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Eddington Experimental Project, Eddington, Maine
This report describes the performance on frost-susceptible soils in a secondary road of (1) bituminous-envelope base for 3 sections of flexible pavement and (2) 8 culverts with various conditions of backfilling and bedding. The experimental installations were constructed in 1949-50. The bituminous envelopes were composed of mixtures of RT-6 and crushed gravel-sand aggregate, with a designed thickness of 2 inches, and covered with a 2-in. bituminous-gravel surfacing. Each of the 3 sections was approximately 400 feet long, about one-half of the length of each section having the enveloped base 24 in. thick, while the remaining half was 18 in. thick, with bituminous envelope extending full width beneath the surfacing and tapering to closure in the shoulder. The enveloped soil ranged from silty sand to silty sandy gravel, and the subgrade soil ranged from sandy silt to silty gravel. The performance of the treated sections was compared to adjacent sections having gravel base course of 'conventional' design, but the report does not describe the design of these adjacent sections.
Eddington Experimental Project, Eddington, Maine
This report describes the performance on frost-susceptible soils in a secondary road of (1) bituminous-envelope base for 3 sections of flexible pavement and (2) 8 culverts with various conditions of backfilling and bedding. The experimental installations were constructed in 1949-50. The bituminous envelopes were composed of mixtures of RT-6 and crushed gravel-sand aggregate, with a designed thickness of 2 inches, and covered with a 2-in. bituminous-gravel surfacing. Each of the 3 sections was approximately 400 feet long, about one-half of the length of each section having the enveloped base 24 in. thick, while the remaining half was 18 in. thick, with bituminous envelope extending full width beneath the surfacing and tapering to closure in the shoulder. The enveloped soil ranged from silty sand to silty sandy gravel, and the subgrade soil ranged from sandy silt to silty gravel. The performance of the treated sections was compared to adjacent sections having gravel base course of 'conventional' design, but the report does not describe the design of these adjacent sections.
Eddington Experimental Project, Eddington, Maine
J. G. Ault (author)
1966
160 pages
Report
No indication
English
Soil & Rock Mechanics , Civil Engineering , Roads , Soil mechanics , Construction , Traffic , Engineering geology , Pavements , Climatology , Gravel , Sand , Silt , Asphalt , Bituminous coatings
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