cross sectionof the Camp Humphreys Road is shown, the location ofthe four cells used in making this test being indicated.This road had an 8-in. concrete slab of great strength,which naturally has the effect of distributing the con-centrated wheel load over an extended area of subgrade.In spite of… … /a T ... * JL ^ ■ Z r>otecf/ng Fipe.Ws&T Concrete 0&se.
Automobiles · Aeronautics
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