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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

Project in-detail

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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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

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
Final registration deadline 25 September 2025

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