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Geothermal Gridshell Embracing Tectonic Landscapes as a Visitor Center

Author:
Yannick Datzer
Geothermal Gridshell Embracing Tectonic Landscapes as a Visitor Center
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A self-stiffening gridshell mirrors the contours of Iceland's tectonic landscape, providing sustainable geothermal heating for a visitor center that enhances the experience of the region's natural hot springs.
5 key facts about this project
01
Self-stiffening gridshell structure reduces material use while providing stability.
02
Geothermal heating system utilizes natural hot springs for energy efficiency.
03
Negative outline of a cave enhances integration with the surrounding landscape.
04
Fragmented exterior patterns reflect local geological features.
05
Visitor center designed to facilitate educational engagement with local geology.

The Iceland Cave Tower, known as "2Friends," is located in a unique volcanic region of Iceland where two tectonic plates meet. The building serves as a visitor center and café, providing an opportunity for guests to connect with the natural beauty around them. The design concept centers on integrating the look of caves and the unique geological features of the area, inviting visitors into a space that feels part of the landscape.

Design Integration
The tower takes on the negative shape of a cave, allowing it to rise naturally without overpowering the surroundings. This design choice creates a connection with the environment, guiding visitors from the hot springs to the tower with ease. The building’s form shifts and adapts, enhancing the experience as people move through the space.

Functional Spaces
Inside the tower, a café and information center welcome visitors, offering a place to learn about the local geology and culture. These areas encourage interaction and engagement, providing valuable insights into the region's natural features and historical context. Visitors can easily access bathing areas and an open cave, while a viewing platform showcases stunning views of the surrounding landscape.

Sustainability Considerations
The building embraces an environmentally friendly approach through geothermal heating sourced from the hot springs. This method not only warms the interior but also ensures that filtered water is available for drinking. This commitment to sustainability reflects an awareness of the environment and the importance of preserving natural resources.

Materiality
Constructed using a self-stiffening gridshell, the tower remains stable while maintaining a lightweight structure. The exterior showcases fragmented patterns that mirror the area's geological characteristics, visually linking the building with its environment. This attention to detail emphasizes the relationship between the natural and built landscapes, grounding the project in its Icelandic context.

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Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

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