Abstract

The primary purpose of this bulletin is to provide instruction to Indiana county road personnel on rating the quality of soils and pit-run materials used in the construction and maintenance of county roads. A system of soil classification is presented which provides the county highway engineer, road supervisor and inspector alike, with a common language for identifying soil types, properties and problems.

Keywords

soil, aggregates, field identification, plasticity, fines, gradation, drainage, frost, compaction

Date of this Version

12-1971

Report Number

County Highway Series—No. 13

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