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Form costs halved by sepcial design
Form design and pumped concrete in decking upper level of bridge for Wacker Drive extension in Chicago; structure is carried upon subpiers 4 ft in diam; concrete caissons were extended down to hardpan; mold for columns made of 3/16 in. plate by Universal Form Clamp Co; made up in eight sections and bolted together on ground, forms were raised to upright position.
Form costs halved by sepcial design
Form design and pumped concrete in decking upper level of bridge for Wacker Drive extension in Chicago; structure is carried upon subpiers 4 ft in diam; concrete caissons were extended down to hardpan; mold for columns made of 3/16 in. plate by Universal Form Clamp Co; made up in eight sections and bolted together on ground, forms were raised to upright position.
Form costs halved by sepcial design
Roads Streets
Roads and Streets ; 100
1957
Article (Journal)
English
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