A platform for research: civil engineering, architecture and urbanism
Precast piles form box culvert walls
Precast concrete piles were used by Iowa State Highway Commission for box culvert thus avoiding costly excavation; when all piles are driven, steel forms are erected and parapets and slab are concreted; description of pile manufacturing.
Precast piles form box culvert walls
Precast concrete piles were used by Iowa State Highway Commission for box culvert thus avoiding costly excavation; when all piles are driven, steel forms are erected and parapets and slab are concreted; description of pile manufacturing.
Engineering Index Backfile | 1950
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