Checking

Extension Marie-Elisabeth-Lüders-Haus – check engineering

© Stephan Braunfels Architekten BDA

The expansion of the Marie-Elisabeth-Lüders-Haus, the office building of the German parliament in Berlin, presented a number of challenges for the structural engineers. The central hall of the building was constructed over an existing supply tunnel that was not designed for an increase in load. Consequently, the structural loads on both sides of the existing tunnel had to be transferred in a controlled manner into the foundations of the existing part of the building and into the newly constructed foundations. This required a sophisticated measurement and monitoring program to control the forces and deformations during construction. The new building foundations consist of a combined pile and raft foundation to minimize settlement in the adjoining existing building. The structure was planned as a monolithic reinforced concrete structure with high demands on the exposed concrete.

Categories
Checking
Location
Berlin, Germany
Architect
Stephan Braunfels Architekten, Berlin
Owner
Bundesamt für Bauwesen und Raumordnung
Project Responsibility
Mike Schlaich

Insights

Technical Data

Gross cubic capacity
189,000 m³
Gross floor area
44,000 m²
Width
approx. 59 m
Length
102 m
Ground area
6,000 m²
Height of 7 upper floors
22 m
Height of 3 basement floors
13 m

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