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Classe rouge
Classe rouge
Niamey, Niger
Finalist, 2025 A+Awards, Concepts - Architecture +For Good
Project Featured on Sep 09, 2025
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Other Projects by ACTA - Action through architecture
Classe rouge
Niamey, Niger
Finalist, 2025 A+Awards, Concepts - Architecture +For Good
Project Featured on Sep 09, 2025
Type
STATUS
Built
YEAR
2023
SIZE
0 sqft - 1000 sqft
BUDGET
$10K - 50K
The design project aims to create sustainable, cost-effective, and quickly realizable educational structures in Niger. This initiative addresses the urgent issues of climate change and educational infrastructure needs.
Key Features and Objectives:
Innovative Materials: The project utilizes SEB (Stabilised earth blocks), a bioclimatic material made from locally sourced laterite-rich soil stabilized with 6-7% cement. This offers excellent thermal insulation, reducing classroom temperatures by 5-6 degrees compared to traditional cement buildings.
Structural Design: The project employs a catenary arch design, optimizing material usage while maintaining structural integrity. This design choice allows for a lightweight structure that distributes load efficiently, reducing the need for additional materials and costs.
Sustainability and Replicability: The construction process is designed to be simple and quick, enabling widespread replication without requiring specialized labor. The use of a mobile formwork system further facilitates rapid and economical construction.
Educational Impact: The classrooms are designed as educational tools themselves, demonstrating sustainable building practices to students and encouraging future adoption of these methods.
Overall, the project exemplifies harmony between people, society, and the environment by creating resilient, sustainable, and replicable educational infrastructure in Niger.
The creative approach centers on the catenary arch design and the mobile formwork system. The catenary arch uses minimal materials while ensuring structural integrity and thermal efficiency, reducing costs and environmental impact. The mobile formwork system allows for quick, easy construction by moving the formwork after each section is completed. This method facilitates rapid, widespread replication without needing specialized labor. This combination of innovative design and construction efficiency addresses both the immediate need for durable classrooms and long-term sustainability, making it a practical solution for various regions in Africa and/or globally.
Key Features and Objectives:
Innovative Materials: The project utilizes SEB (Stabilised earth blocks), a bioclimatic material made from locally sourced laterite-rich soil stabilized with 6-7% cement. This offers excellent thermal insulation, reducing classroom temperatures by 5-6 degrees compared to traditional cement buildings.
Structural Design: The project employs a catenary arch design, optimizing material usage while maintaining structural integrity. This design choice allows for a lightweight structure that distributes load efficiently, reducing the need for additional materials and costs.
Sustainability and Replicability: The construction process is designed to be simple and quick, enabling widespread replication without requiring specialized labor. The use of a mobile formwork system further facilitates rapid and economical construction.
Educational Impact: The classrooms are designed as educational tools themselves, demonstrating sustainable building practices to students and encouraging future adoption of these methods.
Overall, the project exemplifies harmony between people, society, and the environment by creating resilient, sustainable, and replicable educational infrastructure in Niger.
The creative approach centers on the catenary arch design and the mobile formwork system. The catenary arch uses minimal materials while ensuring structural integrity and thermal efficiency, reducing costs and environmental impact. The mobile formwork system allows for quick, easy construction by moving the formwork after each section is completed. This method facilitates rapid, widespread replication without needing specialized labor. This combination of innovative design and construction efficiency addresses both the immediate need for durable classrooms and long-term sustainability, making it a practical solution for various regions in Africa and/or globally.
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