Steel frame

The steel frame is an original 1884 building construction, in which the structure of a building is built in the frame construction with steel beams. Then only the real walls and ceilings are made ​​of concrete applied to the supporting steel structure.

The steel frame construction is defined generally by the fact that the main structure, that is, posts and beams (horizontal support members ) are made of steel profiles. In this way is possible through the connection by means of bolt connections a very fast progress. The ceiling can composite floors are designed both as precast concrete, concrete semi-finished parts, or.

This design was very popular especially in the United States by the first high-rises. Early examples of the steel skeleton construction in Germany are Augsburg Glass Palace (1910 ), and Lübeck Handelshof (1924 ), the churches of the Holy Cross (1929, Martin Weber) and St. Joseph ( new part of 1931, Hans and Christoph Rummel ) in Frankfurt -Bornheim, the Zeche Zollverein in Essen (1932, Fritz Schupp and Martin Kremmer ) and the 1935-1937 built by Paul Hofer and Karl Johann Fischer building 7 of the former Munich Reichszeugmeisterei in the old McGraw Kaserne.

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