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Reticulated Concrete Sphere Integrating Flexible Fabric and Community Hub Functions

Authors:
Ryo Kawamoto, Haruka Taharasako, Kazuma Yoshinaga
Reticulated Concrete Sphere Integrating Flexible Fabric and Community Hub Functions

Project in-detail

A reticulated concrete sphere, designed to facilitate community interactions through adaptable spaces and integrated ventilation, stands as a multifunctional hub within an urban context.
5 key facts about this project
01
Spherical form promotes inclusivity and natural flow of movement within the space.
02
Reticulated concrete walls employ a lightweight design to maximize structural efficiency.
03
Integrated ventilation openings enhance air circulation while maintaining aesthetic continuity.
04
Flexible fabric panels adapt the interior for various community functions and events.
05
Ground-level plaza connects public transit seamlessly, enhancing accessibility for users.
The Atmo-sphere project features a distinctive spherical architecture designed to foster community interaction while emphasizing functionality and sustainable design principles. The structure, with its 25-meter diameter, utilizes reticulated concrete walls that provide both aesthetic appeal and practical ventilation solutions. This architectural design serves as a multifunctional space intended for social gatherings, events, and artistic exhibitions, highlighting its versatility in urban spaces.

Spatially, the project incorporates a ground-level plaza that functions as a communal hub, encouraging gatherings among users. The integration of a tram station further enhances accessibility, positioning the project as a key node in promoting public transit use. The internal layout includes a multifunctional hall and a café, designed to facilitate various activities while allowing flexibility in use.

Unique Design Approaches
The Atmo-sphere project distinguishes itself through its innovative use of materials and geometry. The primary structure, a sphere, challenges conventional architectural forms by promoting inclusivity and openness. The reticulated concrete bands not only contribute to the visual character of the façade but also serve to reduce the weight of the structure, markedly enhancing its sustainability.

Moreover, the design prioritizes natural light and ventilation, employing strategically placed openings for airflow and illumination. This integration of environmental considerations reinforces the building’s functionality while creating a dynamic internal atmosphere.

Architectural Details and Functionality
The construction methodology further sets the Atmo-sphere project apart. The use of flexible concrete impregnated fabric allows for a seamless, lightweight design. The process involves inflating a large formwork that is subsequently layered with concrete bands. This technique not only reduces material waste but also enables precise shaping of the spherical structure.

Inside, the multifunctional hall is adaptable, catering to a range of events from exhibitions to workshops. The café space integrates into this hall, enhancing the social experience and providing a casual setting for interactions. The overall design ensures that every element serves a purpose, reflecting a commitment to efficiency and user engagement.

For those interested in exploring the detailed aspects of the Atmo-sphere project, including architectural plans, sections, and design ideas, further investigation reveals a comprehensive approach to contemporary architecture. The project exemplifies thoughtful integration of community-based functionality with innovative design methods, making it a relevant case study for modern architectural practice.
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100,000 € Prize Fund / Kingpsan Edition #10
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100,000€ Prize / 2025

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

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
Early bird registration deadline 22 May 2025
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