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In small sizes of sewer pipe, 4 in. to 10 in. incl., material should pass through 3/8 in. screen, then be broken on No. 8 screen; complete compaction is necessary both to eliminate percolation and to insure dense concrete; best results are obtained by using maximum amount of rock, wet mix and comparatively large tamp shoe.
In small sizes of sewer pipe, 4 in. to 10 in. incl., material should pass through 3/8 in. screen, then be broken on No. 8 screen; complete compaction is necessary both to eliminate percolation and to insure dense concrete; best results are obtained by using maximum amount of rock, wet mix and comparatively large tamp shoe.
Grading materials for making pipe
Concrete
Howard, C.M. (author)
Concrete ; 50
1947
Article (Journal)
English
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