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Excavated Soil and Modular Planters Uniting Community in Agricultural Space

Author:
Alana Tam
Excavated Soil and Modular Planters Uniting Community in Agricultural Space
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Utilizing excavated soil and modular planters, the pavilion fosters agricultural activity and community engagement in Chengzi Village, transforming the relationship between the built environment and its natural landscape.
5 key facts about this project
01
Utilizes excavated soil directly from the site for its primary construction material.
02
Features modular planters that adapt and expand as soil is excavated.
03
Integrates traditional rammed earth construction techniques with modern practices.
04
Encourages community involvement through agricultural activities like strawberry planting.
05
Design evolves over time, reflecting ongoing collaboration with local villagers.

The design titled "Un-earthing and Re-earthing the Strawberry Wall Garden" is located in Chengzi Village, Yunnan Province, China, a place recognized for its agricultural background and hilly landscape. The pavilion serves as a space for growing strawberries while also acting as a community hub that encourages interactions among villagers. The overarching concept merges sustainable practices with local traditions, creating a connection between the structure and its environment.

Excavation and Construction

The project begins with the excavation of soil, which is used as a primary building material for the pavilion. This approach ties the construction directly to the site’s natural resources and highlights the importance of the landscape. By carefully digging into the ground, the design creates the main walls of the pavilion from the soil it disrupts. This method not only reduces waste but also ensures that the building is in harmony with its setting.

Planter Walls

Another key feature of the pavilion is the planter walls, made from modular units formed by hammering the excavated mud into steel mouldings. This method reinforces the agricultural purpose of the pavilion while strengthening the bond between the structure and local farming practices. As the planter walls expand through additional excavation, they develop a flowing and organic shape that captures the ongoing relationship between the community and the land. The design, with its lack of defined edges, enhances the idea of growth and change.

Cultural Integration

Rammed earth construction is a traditional technique that has been used in the area for over 500 years. By incorporating this method, the design pays respect to local heritage and contrasts with modern building practices that often focus on speed and efficiency with contemporary materials. This integration of traditional techniques highlights the cultural significance of the methods while creating a functional space that is in line with historical practices.

Community Engagement

The pavilion also aims to foster community participation. It provides space for villagers to engage in activities such as planting strawberries and making jam, which encourages social connections and collective involvement. Through these activities, the pavilion becomes more than just a structure; it evolves into a shared space where local culture can thrive. The design invites a sense of ownership and collaboration among community members, shaping its use over time.

As the sun moves across the sky, sunlight streams through the planter walls. This creates a shifting play of light and shadow within the pavilion, enhancing the relationship between nature and the built form, and marking the passage of time.

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The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

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