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A platform for research: civil engineering, architecture and urbanism
Concrete spiral stairway connects parkway bridges
Illustrated description of reinforced concrete spiral stairway connecting two parkway bridges that carry Figueroa St. over Los Angeles River at beginning of Arroyo Seco Parkway; essentially, design consists of hollow reinforced concrete cylinder that supports spiral stairway by use of keys and bars. (See also Eng News-Rec v 136 n 22 May 30 1946 p 845)
Concrete spiral stairway connects parkway bridges
Illustrated description of reinforced concrete spiral stairway connecting two parkway bridges that carry Figueroa St. over Los Angeles River at beginning of Arroyo Seco Parkway; essentially, design consists of hollow reinforced concrete cylinder that supports spiral stairway by use of keys and bars. (See also Eng News-Rec v 136 n 22 May 30 1946 p 845)
Concrete spiral stairway connects parkway bridges
Concrete Constr Eng
1946
Article (Journal)
English
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Concrete spiral stairway connects parkway bridges
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