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United Steelworkers Building

Identification

United Steelworkers Building
IBM Building
121909

Map

Structure in General

high-rise building
existing [completed]
space truss
steel
aluminum
curtain wall
modernism

Usages

commercial office

Facts

  • First building to use steel of three different strength levels in its structure: 100,000 psi, 50,000 psi, & 36,000 psi quenched and tempered steels.
  • The wall structure is supported by only 8 ground anchors. Each is a downward triangular extension of the wall.
  • This was the first exterior space frame building ever constructed, with a diagonal-grid load-bearing steel wall.

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More Information

Location

60 Boulevard of the Allies
101-113 Stanwix Street
60 Boulevard of the Allies
15222
Golden Triangle
Pittsburgh
Pennsylvania
U.S.A.

Technical Data

172.40 ft
13
1963

Involved Companies

Curtis and Davis
construction company, structural engineering
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