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Repurposed Bridge Structure Featuring Hexagonal Modules and Vertical Gardens in Urban Environment

Authors:
PhẠm HoÀi TÂm NgÔ, Tường Nguyễn, Hà Minh An Châu, Tai Le
Repurposed Bridge Structure Featuring Hexagonal Modules and Vertical Gardens in Urban Environment

Project in-detail

Transforming an existing bridge into a residential complex with hexagonal modular units and integrated vertical gardens addresses urban housing needs while fostering community connectivity.
5 key facts about this project
01
Transforms a bridge structure into a vibrant residential community.
02
Utilizes hexagonal modular units for efficient space and social interaction.
03
Incorporates vertical gardens to enhance urban biodiversity and aesthetics.
04
Features significant voids for natural light and airflow, improving living conditions.
05
Employs sustainable materials like reinforced concrete and glass for durability.

### Overview
Located in Hanoi, Vietnam, the project addresses the pressing challenge of urban population density by providing innovative and sustainable housing solutions. It reinterprets the Vinh Tuy Bridge, transforming traditional infrastructure into a multifaceted residential complex that aims to fulfill diverse community needs while fostering environmental and social connectivity.

### Spatial Strategy and Community Integration
The project creatively adapts the bridge structure into residential units, focusing on accessibility and community engagement. By developing hexagonal modules that serve as individual living spaces, the design facilitates both privacy and interaction among residents. Significant voids within the structure enhance airflow and natural light, while also providing communal gathering areas that encourage social activities and enhance neighborly interactions.

### Materiality and Sustainability
The architectural design employs a range of materials chosen for their functionality and environmental impact. Reinforced concrete ensures structural stability, while glass panels maximize natural light and offer views of the surrounding landscape. Wood accents introduce warmth, enhancing the overall aesthetic. Additionally, green roofs and vertical gardens contribute to biodiversity and reduce the ecological footprint, exemplifying a commitment to sustainable urban living through the integration of biophilic elements. This adaptive reuse of the bridge structure not only maximizes the use of existing urban infrastructure but also promotes a model of responsible development that prioritizes sustainability and community well-being.

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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

Enter an open architecture
competition now

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