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Section IINTRODUCTION Paee
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airport Armco average backfill base bolts capacity capillary cent clay closed conduits computed construction corrugated metal pipe corrugated pipe cost cubic culvert curves dead load deflection depth determined Diam diameter discharge ditch earth embankment Engineering erosion excavation factor factor of safety feet field fill material flow foot formula foundation frost heaves gage gate grade ground water headwalls highway horizontal Improved Multi Plate inches inlet installed intercepting drain laying length length levee liquid limit live load maximum minimum Multi Plate Arches Multi Plate Pipe outlet pavement perforated pervious Pipe-Arch placed pounds pressure projection railway rainfall riveted road roadway runoff seepage sewage sheets shown side slide slope soil span square storm sewers stream strength struts subdrainage subdrains subgrade surface runoff surface water Table tamped tests tion track pans trench Unstrutted values various velocity vertical water table weight width