Hesperia Tower hotel Atrium

Hospitalet de Llobregat, Barcelona (Spain) - 2005

The glass atrium at the Hotel Hesperia Tower. The atrium completes the new hotel project. The whole project is composed of a 105m tall tower, coronated by the magnificent glass dome designed and constructed by Bellapart.

The atrium is composed of two facades and an insulated low heat emission glass roof with solar photovoltaic control that wraps around a well-lit/clear floor space of 30.5m x 20m. The glass roof part boasts a height of 10 meters above the floor and it is elevated at an angle of 39 degrees up to a height of 24 meters to reach the 6th floor of the tower. The structure is very lightweight and it is composed of a grid of rectangular tubular frameworks in small-caliber steel, interiorly supported by a Tensegrit structural system, using prestressed struts and compressed bars in circular tubular section steel.

Three principle nodes are held in space at 12m above ground, forming a very complex bracing structure for a large number of bars. In order to compose this structure and the nodes that receive the bars se we manufactured large mechanized steel parts.

During the assembly of the structure we performed the delicate process of stressing the bracing system, an operation that is performed in phases. At the end of each phase, new bars were installed and the shift of structural nodes was constantly controlled. In addition, the strain suffered by the bracing system was checked using an extensometer.

  • ClientHesperia Hoteles
  • Architect Rogers Stirk Harbour + Partners
  • Project Manager Construcciones Castro
  • Category Steel & Glass Structures

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