A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Lime Treated Subgrade Soils: An Evaluation
The results of an evaluation of lime treated subgrade soils in Oklahoma are presented. The treated roadway extents ranged widely with respect to geographic area, climatic conditions, soil type, age, and contractor. Many laboratory test procedures were conducted on samples taken from untreated and treated subgrade soils. The effectiveness of the lime treatment after the roadways had been in service for at least 5 years varied widely. Typically plasticity, shrinkage, and swelling of subgrade soils were reduced, while apparent particle size, and pH were increased. The Oklahoma Subgrade Index, on which pavement thickness designs are based, was reduced sufficiently to justify the allowance of one-half inch of equivalent base thickness for one inch of lime treated subgrade.
Lime Treated Subgrade Soils: An Evaluation
The results of an evaluation of lime treated subgrade soils in Oklahoma are presented. The treated roadway extents ranged widely with respect to geographic area, climatic conditions, soil type, age, and contractor. Many laboratory test procedures were conducted on samples taken from untreated and treated subgrade soils. The effectiveness of the lime treatment after the roadways had been in service for at least 5 years varied widely. Typically plasticity, shrinkage, and swelling of subgrade soils were reduced, while apparent particle size, and pH were increased. The Oklahoma Subgrade Index, on which pavement thickness designs are based, was reduced sufficiently to justify the allowance of one-half inch of equivalent base thickness for one inch of lime treated subgrade.
Lime Treated Subgrade Soils: An Evaluation
1980
90 pages
Report
No indication
English
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