Lufthansa Aircraft Hangar:
Frankfurt, Germany
Phillip Holzmann, architect
Georg Petry, engineer
Location
History
The Lufthansa Aircraft Hangar at Frankfurt was built between 1959 and 1961.
Physical Description
Overall Dimensions: 442 ft wide x 550 ft long x 75 ft tall
Unsupported span: 182 ft
Each bay: 182 ft x 69 ft
Doors: six 50 ft x 92 ft doors on each side providing up to 368 ft of opening
The hangar is a double-cantilever form with eight bays on each side of a central spine. Each bay consists of a slightly arched, 182 foot reinforced concrete shell that has a curved "w" shape in section. This concrete roof shell is supported by cables ru
nning from the outside edge of the shell to a triangulartrestle on top of the central core.
Daylighting is provided by glazed end walls hung from the end shells and by top lighting between the bays. In section the roof appears as a series of scalloped forms with glazing in the top of every other scallop.
Building Process
Structural Descripton/Aspects
Each roof shell is shaped with a gentle curve that matches the moment curve of the combined point and distributed forces. This converts all forces to compressive (axial) forces. The cable does not follow the line of support for the roof self-weight, but
is raised slightly to counteract the several kinds of bending moments that act on the roof: snow and wind loads, a ceiling crane, moveable doors and glazed end walls which are hung from the roof. Cross-wise stiffening bars are used on the end bay to dir
ect wind loads to the core.
Conclusions
Bibliography
Associated Buildings
Jason Roberts and Marie Raney
ARCH 461/561 Spring 1995
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