Parking garage made with prestressed floor slabs

An ambitious project at Audi AG

Fig. 1 The parking garage of Audi can be reached directly from the district road via the access ramps made of precast concrete elements.
Abb. 1 Über Rampenauffahr-
ten aus Betonfertigteilen lässt sich das Audi-Parkhaus direkt von der Kreisstraße erreichen.

Fig. 2 The prestressed floor slabs allow bridging of up to
8.5 meters without any supports.
Abb. 2 Die vorgespannten Elementdecken lassen sich bis zu
8,5 Meter unterstützungsfrei überbrücken.

 274,000 cubic meters of enclosed space, 73,000 square meters of total floor space, 4,577 car spaces on five parking levels: The new parking garage of the factory of Audi AG in Neckarsulm (Germany) offers an impressive view. For this project Klebl Group, awarded with the turnkey realization of the same, relied on a well-proven internal development of the company - the S-dec^® floor slabs with pretensioning.

The elaborate overall concept required a number of extraordinary measures. For instance, it was required not to disturb the traffic flow of the district road going past the factory. Today, two new ramps as well as a roundabout enable an intersection-free access from the district road to the parking garage. For the project with a total value of about 23.5 million Euros Klebl did not only produce the 16.3-meter long reinforced-concrete external columns as customized components but also the bridge girders having a weight of 44 tons each for the access ramps.

The company manufactured more than...