Buildings, Commerce & Service

Glass roof Bosch area

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The courtyards of the Bosch-Areal in Stuttgart are enclosed by a flowing, transparent glazed roof.
The flowing form of the roof is created by a grid shell structure with spans of up to 26 m. By exploiting the curvature of the structure, the profile of grid elements can be minimized, leading to a grid of slender steel bars with a cross sections of only 40 mm x 60 mm. These members are spaced at approximately 1.25 m on center. The shear stiffness required for such a four sided grid is provided by cable cross bracing from high-strength, pre-stressed double ropes, each of 8 mm diameter. The total length of the skewed and trapezoidal barrel-shaped roofs have a length of approximately 71 m in east-west direction and about 60 m in north-south direction.

Location
Stuttgart, Germany
Architect
Prof. Ostertag + Vornholdt, Stuttgart
Owner
Schweiz-Deutschland-USA Dreiländerbeteiligung, DLF 98 / 29, Walter Fink KG
Project Responsibility
scho

Insights

Technical Data

Length
71.5 m (East - West)
60 m (North - South)
Span
max. 26 m
Grid
rectangular mesh 1.25 m x 1.25 m
Grid members
60 mm x 60 mm full section
Diagonal cables
2 x 8 mm
Nodes
welded
Glass
Single glazing

Lectures

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