Perret tower, Observation tower in Paul Mistral Park, Grenoble, France.
Perret tower is an observation tower made of reinforced concrete located in Grenoble's Paul Mistral Park. The structure stands on eight solid pillars with a circular viewing platform positioned at approximately 60 meters above ground.
The tower opened in 1925 as part of the International Exhibition of Hydropower and Tourism, marking a turning point for concrete construction in Europe. Its design introduced new standards for using reinforced concrete in monumental structures at that time.
The construction represents a significant advancement in architectural methods as the first reinforced concrete tower built in Europe during the 1920s.
Access to the viewing platform is provided by two elevators or a spiral staircase that both lead to the terrace. Visitors should plan time for going up and down, as visibility depends on weather conditions.
The prefabricated concrete elements used during construction came from the church of Notre-Dame du Raincy, showing early examples of material reuse in architecture. This recycling approach was uncommon in the building industry at that time.
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