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Bamboo Office
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Other Projects by Barberio Colella Architetti
Bamboo Office
Type
STATUS
Concept
SIZE
5000 sqft - 10,000 sqft
Bamboo Office – A bioclimatic office building in Changzhou
In the Wujin Green Industrial District in Changzhou, the Chinese authorities organised the 1st International Green/Ecological Building Competition (IGEBC) to build a model neighbourhood of sustainable buildings. Barberio Colella Architetti, in collaboration with Angelo Figliola, won Lot 14 with a proposal that overturns the conventional relationship between building and nature: instead of adding greenery as decoration, they make it the heart of the bioclimatic system.
The design strategy stems from a precise observation: in conventional office buildings, workers lose all sense of time and the seasons. BCA’s solution is a fifteen-metre-high double-skin facade of structural glass, within which a continuous line of living bamboo grows. This ‘bamboo line’ is not merely an aesthetic feature: it is a bioclimatic device that controls the amount of solar radiation in a diffused manner, eliminating glare and reducing the thermal load on surfaces facing east, west and south.
Its operation is seasonal. In winter, the double-skin facade accumulates solar heat in the air cavity between the two glass walls, preheating the air before it enters the interior spaces. In summer, the system works in reverse: natural ventilation flows through the cavity, carrying away excess heat, whilst the bamboo shades the transparent surfaces. On the north side, a solid, well-insulated opaque building envelope protects against cold winds. The result is a building that drastically reduces dependence on mechanical systems, achieving a PMV (Predicted Mean Vote) of -0.01, practically neutral, the maximum possible thermal comfort.
The entire load‑bearing structure is made of glued laminated bamboo with concealed metal connections, prioritising the use of local renewable resources. The 816 m² building houses offices, meeting rooms, a conference room, lounge areas and a double‑height reception space spread over four floors, overlooking a 70 m² inner garden. The roof, covered with PV film, collects rainwater for reuse. The competition jury (which included Mario Cucinella and Stefan Behnisch) selected the project from among 147 teams from 11 countries, recognising BCA’s proposal as a replicable model of office architecture where sustainability is not an afterthought, but the principle that generates the form.
Technical details:
Location: Changzhou, Jiangsu, China
Year: 2018–2019
Client: Chinese Sustainable Design Centre / China New Building Materials Design & Research Institute
Typology: Office building
Area: 816 m²
Green space: 70 m²
Status: Winning concept in an international competition + professional commission
Designers: Maurizio Barberio, Micaela Colella (Barberio Colella ARC)
Contributors: Angelo Figliola (design and environmental analysis)
Awards: Winner of Lotto 14, the 1st International Green/Ecological Building Competition (IGEBC). Jury: Mario Cucinella, Stefan Behnisch. 147 teams from 11 countries.
Main materials: Glued laminated bamboo (structure), structural glass (double-skin facade), living bamboo (bioclimatic shading), photovoltaic film
In the Wujin Green Industrial District in Changzhou, the Chinese authorities organised the 1st International Green/Ecological Building Competition (IGEBC) to build a model neighbourhood of sustainable buildings. Barberio Colella Architetti, in collaboration with Angelo Figliola, won Lot 14 with a proposal that overturns the conventional relationship between building and nature: instead of adding greenery as decoration, they make it the heart of the bioclimatic system.
The design strategy stems from a precise observation: in conventional office buildings, workers lose all sense of time and the seasons. BCA’s solution is a fifteen-metre-high double-skin facade of structural glass, within which a continuous line of living bamboo grows. This ‘bamboo line’ is not merely an aesthetic feature: it is a bioclimatic device that controls the amount of solar radiation in a diffused manner, eliminating glare and reducing the thermal load on surfaces facing east, west and south.
Its operation is seasonal. In winter, the double-skin facade accumulates solar heat in the air cavity between the two glass walls, preheating the air before it enters the interior spaces. In summer, the system works in reverse: natural ventilation flows through the cavity, carrying away excess heat, whilst the bamboo shades the transparent surfaces. On the north side, a solid, well-insulated opaque building envelope protects against cold winds. The result is a building that drastically reduces dependence on mechanical systems, achieving a PMV (Predicted Mean Vote) of -0.01, practically neutral, the maximum possible thermal comfort.
The entire load‑bearing structure is made of glued laminated bamboo with concealed metal connections, prioritising the use of local renewable resources. The 816 m² building houses offices, meeting rooms, a conference room, lounge areas and a double‑height reception space spread over four floors, overlooking a 70 m² inner garden. The roof, covered with PV film, collects rainwater for reuse. The competition jury (which included Mario Cucinella and Stefan Behnisch) selected the project from among 147 teams from 11 countries, recognising BCA’s proposal as a replicable model of office architecture where sustainability is not an afterthought, but the principle that generates the form.
Technical details:
Location: Changzhou, Jiangsu, China
Year: 2018–2019
Client: Chinese Sustainable Design Centre / China New Building Materials Design & Research Institute
Typology: Office building
Area: 816 m²
Green space: 70 m²
Status: Winning concept in an international competition + professional commission
Designers: Maurizio Barberio, Micaela Colella (Barberio Colella ARC)
Contributors: Angelo Figliola (design and environmental analysis)
Awards: Winner of Lotto 14, the 1st International Green/Ecological Building Competition (IGEBC). Jury: Mario Cucinella, Stefan Behnisch. 147 teams from 11 countries.
Main materials: Glued laminated bamboo (structure), structural glass (double-skin facade), living bamboo (bioclimatic shading), photovoltaic film
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