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Rammed Earth Foundations and Recycled Steel Framework for Sustainable Community Living

Rammed Earth Foundations and Recycled Steel Framework for Sustainable Community Living
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Incorporating rammed earth foundations and recycled steel frameworks, this innovative housing solution adapts to the mountainous terrain of Sichuan, providing flexible living spaces that foster community engagement.
5 key facts about this project
01
Rammed earth construction enhances thermal mass and energy efficiency.
02
Recycled steel framing provides durability while minimizing environmental impact.
03
Modular design allows for flexible living arrangements tailored to user needs.
04
Integrated solar tiles generate renewable energy for the residences.
05
Courtyard layout fosters community interaction and social cohesion.

### Overview

Located in Mai Village, Meigu County, Sichuan Province, the Multi-Variable Housing project addresses the challenges of rural living in mountainous terrain. The design aims to create adaptable, sustainable, and community-centric living spaces, integrating local cultural elements and modern architectural principles. Acknowledging the socio-economic stagnation historically tied to the region's topography and limited transportation, the project focuses on reshaping living experiences to enhance environmental and social outcomes.

### Spatial Strategy

Central to the design is the concept of adaptability, allowing structures to change based on residents' needs and activities. Inspired by traditional Chinese courtyards, the layout facilitates interaction among community members, thereby reinforcing social ties. The architectural form employs an enclosed courtyard design that serves as a communal space, encouraging cultural practices and social gatherings. Various functional zones are introduced, including modes tailored for daily family use, social events, individual privacy, and workspaces, enabling versatile spatial configurations within the living environment.

### Material Selection and Sustainability

A commitment to sustainability is reflected in the careful choice of materials that prioritize local availability and environmental responsibility. The structural frame utilizes recycled steel for enhanced durability and reduced ecological impact, while solar tiles integrated into the roof promote renewable energy utilization. The use of QuadCore K1000RW lightweight composite wall panels optimizes thermal insulation, and eco-friendly bonded fiberboard contributes to a welcoming interior atmosphere. Additionally, rammed earth sheets in the foundation and interior walls improve thermal mass, while composite decking provides durable, low-maintenance outdoor surfaces. This thoughtful material palette aims to minimize the ecological footprint while maintaining modern living standards.

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

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Competition organisers

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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