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A platform for research: civil engineering, architecture and urbanism
Precast concrete manholes speed installation time
Description of manholes designed and constructed in separate parts; four walls are designed to be sunk as caisson and are cast as single unit to form rigid frame structure; other units are floor and roof slabs and precast sump; all of those units are constructed in shop using steel forms.
Precast concrete manholes speed installation time
Description of manholes designed and constructed in separate parts; four walls are designed to be sunk as caisson and are cast as single unit to form rigid frame structure; other units are floor and roof slabs and precast sump; all of those units are constructed in shop using steel forms.
Precast concrete manholes speed installation time
Elec World
Johnson, F.J. (author)
Electrical World ; 129
1948
Article (Journal)
English
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