All pavements leak during most of their life and when laid on soils, such as clays and gumbos, provision should be made for escape of water as rapidly as possible; to hasten exit of water, transverse drains are suggested to intercept longitudinal flow; it is also suggested that slope of bottom of these drains be greater than that of surface crown. (see also Roads and Bridges v 80 n 8 Aug 1942 p 27-9 and 91-2)
Wet subgrades their cause and cure
Roads Streets
Roads and Streets ; 85 , n 5
1942
Aufsatz (Zeitschrift)
Englisch
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