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Rammed Earth Structure Embracing Geothermal Energy With Elevated Viewing Platforms

Authors:
Femke Verheyen, Yves Dupont
Rammed Earth Structure Embracing Geothermal Energy With Elevated Viewing Platforms

Project in-detail

Constructed from rammed earth and integrating geothermal systems, this structure offers elevated platforms for panoramic views, creating a multifunctional space that fosters a deep connection with Iceland's unique landscape.
5 key facts about this project
01
Constructed using local rammed earth to enhance thermal efficiency and site integration.
02
Incorporates geothermal energy systems for sustainable heating and energy use.
03
Features multiple elevated platforms for unobstructed panoramic views of the landscape.
04
Utilizes natural stone in landscaping to maintain environmental harmony.
05
Designed to minimize ecological impact while encouraging visitor engagement with nature.
The Iceland Cave Tower represents a significant architectural exploration within the unique geological context of Iceland. This structure is designed as an observational and experiential platform, inviting visitors to engage with the dramatic natural landscape. The project integrates seamlessly into the rugged terrain, emphasizing a sustainable approach to building design by utilizing locally sourced materials.

The primary function of the Iceland Cave Tower is to provide visitors with immersive experiences through various levels that facilitate interaction with the surrounding environment. The design encompasses multiple functional spaces including entry points, relaxation areas, and elevated viewing platforms that enhance visibility of Iceland’s captivating vistas. Structured pathways and bridges connect the tower to its landscape, ensuring navigability while maintaining an unobtrusive footprint.

Unique Material Integration and Environmental Consideration

The architectural design emphasizes materiality, utilizing reinforced rammed earth, concrete, glass, and natural stone. The use of reinforced rammed earth not only contributes to the tower’s thermal efficiency but also reinforces its connection to the earth, mirroring the geological characteristics of the site. Concrete serves as a durable structural element, capable of supporting the sculptural forms of the design, while glass elements are strategically placed to optimize natural light and provide panoramic views without compromising energy efficiency. Additionally, natural stone is incorporated in landscaping to create a seamless connection between built and natural forms.

A unique aspect of this project lies in its sustainable design framework. By integrating renewable energy systems such as geothermal heating, the tower minimizes its environmental impact. The architectural approach demonstrates sensitivity to Iceland's climate through careful consideration of insulation and passive solar design.

Innovative Spatial Organization and Visitor Engagement

The spatial organization within the Iceland Cave Tower is intentionally designed to facilitate visitor engagement. The ground level serves as the primary entry point, featuring multifunctional spaces that can accommodate gatherings and administrative functions. Moving upward, the first level offers relaxation areas that capitalize on striking views, encouraging contemplation of the surrounding landscape. The upper levels are dedicated to viewing platforms, creating elevated perspectives that enhance the visitor experience.

Incorporating vertical elements that echo the natural landscape, the design enhances the interplay of light and shadow, creating dynamic visual effects as visitors ascend. This verticality is balanced with horizontal pathways that ensure accessibility, allowing for a comprehensive exploration of the site's natural features.

The Iceland Cave Tower exemplifies a thoughtful architectural response to its environmental context. The integration of local materials, sustainable technologies, and innovative spatial planning showcases a commitment to creating a meaningful interaction between architecture and nature. For more detailed insights into the architectural plans, sections, and design elements, readers are encouraged to explore the project presentation further.
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100,000 € Prize Fund / Kingpsan Edition #10
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100,000€ Prize / 2025

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

Microhome

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € PRIZE FUND / KINGPSAN EDITION #10 IDEAS COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Early bird registration deadline 22 May 2025
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