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Curved Concrete Plates over Fault Line with Geothermal Hearth for Visitor Engagement

Authors:
Andy Kikta, Jonathan Toonkel
Curved Concrete Plates over Fault Line with Geothermal Hearth for Visitor Engagement
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Two curved concrete plates, positioned above a tectonic fault line, create an interactive space that combines geological awareness with visitor functions such as observation and exploration.
5 key facts about this project
01
Two curved building plates are anchored directly above a tectonic fault line.
02
The design minimizes ground contact to accommodate geological movements.
03
Visitor pathways are aligned with the north-south axis of the fault.
04
A geothermally heated hearth serves as a focal point in the gathering space.
05
Rainwater is collected through a green roof for sustainable use.

The Ridgeline is set in the dramatic landscape of the Mid-Atlantic Ridge, where the North American and Eurasian tectonic plates meet. The design aims to create an engaging experience for visitors by connecting them to the geological features of the area. The concept centers around two curved building plates that mirror the movement of the fault line, bringing together architecture and nature in a meaningful way.

Structural Composition

Two curved building plates form the core of the design, referencing the area's tectonic activity and providing support for the structure. These plates sit directly above the fault line, allowing visitors to explore the geological forces that shape the landscape. A stairway is suspended between the plates, which minimizes contact with the ground and provides a pathway for movement through the space.

Spatial Organization

The layout supports easy movement for visitors, connecting them to observation points and geological sites. The stairway follows a north-south orientation along the fault line, guiding people to viewpoints that highlight the beautiful scenery. Openings in the building plates create framed views, enhancing the sense of connection between the inside and outside.

Functional Spaces

The enclosed area includes practical facilities such as a field office, café, restrooms, and storage. An information desk is placed outside to serve as the café counter, allowing for straightforward interaction. A covered outdoor space invites social gatherings, featuring a geothermally heated hearth that serves as a cozy focal point.

Sustainability Features

An important aspect of the design is its approach to sustainability. The green roof collects rainwater, which is stored in an underground cistern for use in irrigation and restrooms. This technique not only fits well with the local ecology but also nods to traditional Icelandic building practices. The structure is organized into simple bays, supported by concrete piers that give the appearance of floating forms, making the architecture feel connected to the geology.

A notable design detail is the reduced structural contact with the ground near the fault line. This careful consideration helps preserve the environmental integrity of the site while encouraging exploration of both the geological and architectural aspects of the project.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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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?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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