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Principles of subgrade design are adequate drainage, grade line at least 4 ft above water table, removal of pockets which develop frost heave, removal of deposits of soils high in organic matter, and Proctor compaction; increase in bearing capacity by compaction revealed by tests; curves are given for determining thickness of granular base course; method of determining thickness of flexible pavement. Before Can Good Roads Assn. (p 96-8, 100, 102,104, 176-7, 179-88) (see also Eng and Contract Rec v 61 n 10 Oct 1948 p 65-8, 142-4, 146, 148-50, 152-5)
Principles of subgrade design are adequate drainage, grade line at least 4 ft above water table, removal of pockets which develop frost heave, removal of deposits of soils high in organic matter, and Proctor compaction; increase in bearing capacity by compaction revealed by tests; curves are given for determining thickness of granular base course; method of determining thickness of flexible pavement. Before Can Good Roads Assn. (p 96-8, 100, 102,104, 176-7, 179-88) (see also Eng and Contract Rec v 61 n 10 Oct 1948 p 65-8, 142-4, 146, 148-50, 152-5)
Subgrade and base-course design
Roads Bridges
McLeod, N.W. (author)
Roads and Bridges ; 86
1948
Article (Journal)
English
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