Increased airplane weights are necessitating rebuilding of many existing runways; compacting subgrade material to considerable depth permits reduction in thickness of pavement or base course with attending reduction in cost; sheepsfoot roller with feet 18 in. in length out from drum which compacts 21 in. in one operation is illustrated and described; heavy pneumatic roller for top surface also described.
Giant rollers for heavy-duty runways
Roads Streets
Roads and Streets ; 87 , n 12 ; p 80-81 + 84
1944
Article (Journal)
English
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Soil-cement runways for heavy bombers
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