Presentatie Houtbouw deel 2 Biobased Bouwen concept presentatie.pdf

HOUT - HET NIEUWE GOUD ir. Atto Harsta Aldus bouwinnovatie I De Bouwcampus Themaraad Houtbouw - Gemeente Edam Volendam – 27 januari 2022

Dutch Mountains | Eindhoven, the Netherlands | Studio Marco Vermeulen

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Credit: Studio Marco Vermeulen

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TIMBER MYTHS “there are not enough forests to build in timber” “a timber building is not sustainable” “a timber building is not strong” “a timber building is not durable” “a timber building is not firesafe”

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BOEKJE ‘HOUTBOUWMYTHES ONTKRACHT’ TOMORROW’S TIMBER

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#1 CLIMATE CHANGE

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39% OF GREENHOUSE GAS EMISSIONS are caused by the built environment

Source: IEA & UNEP (2019). 2019 global status report for buildings and construction. IEA & UNEP

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INCREASING IMPORTANCE MATERIALS

TOMORROW’S TIMBER Triodos Bank | Zeist, Netherlands | RAU

Photo: Bert Rietberg for J.P. van Eesteren

IF CONCRETE & STEEL WERE COUNTRIES...

Metals & plastics

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Credit: the Guardian (source: UNEP, Chatham house), figures for metals & plastics from Ellen MacArthur Foundation (2019)

#2 RESOURCE SCARCITY

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44% OF EXTRACTED MATERIALS are used in the built environment

Source: Circle Economy (2019). Circularity gap report 2019.

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THIS IS WHAT OUR CITIES COULD LOOK LIKE

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Photo: Ana Paula Hirima

Years left? Tropical hardwood

500 years

Oil (PVC)

75 years

Bauxite (Aluminium)

65 years

Iron (Steel)

48 years

Copper

25 years

2000

Source: Booming Bamboo

Photo: iStock TIMBER TOMORROW’S

2100

2200

2300

2400

2500

CIRCULAR ECONOMY: THEORY

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2050

CO2- en Materiaal neutraal

50%

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50%

2050

CO2- en Materiaal neutraal

50%

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<5%

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15%

THE SOLUTION LIES RIGHT IN FRONT OF YOU

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Photo: Nejc Mrezar for the PEFC photo contest

PHOTOSYNTHESIS

CO2 + H20 + solar energy → glucose + O2

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Photo: Slavko Hudak for the PEFC photo contest

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Woonstad Rotterdam Fundering blijft

Sawa Rotterdam 50 meter hoog

M’dam, Monnikendam TOMORROW’S TIMBER Industrieel

CLT Traditioneel

Eindhoven

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BUILDING AS CARBON STORE

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Photo: Ema Peter, courtesy of MGA | Michael Green Architecture

1 TON SOFTWOOD REPLACING 1 TON OF CONCRETE / STEEL SAVES 1.5 TONS OF CO2

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Photo: Ema Peter, courtesy of MGA | Michael Green Architecture

WOOD DESIGN & INNOVATION CENTER Location `Prince George, Canada Architect Michael Green Architecture Mass timber volume 1519 m3

CO2 stored for lifetime 1192 tons

Avoided CO2 (substitution) 1139 tons Total CO2 (benefit) 2231 tons TOMORROW’S TIMBER

Photo: Ema Peter, courtesy of MGA | Michael Green Architecture

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TRIODOS OFFICE Location Zeist, The Netherlands Architect RAU Mass timber volume 2620 m3

CO2 stored for lifetime 2062 tons

Avoided CO2 (substitution) 1965 tons Total CO2 (benefit) 4027 tons TOMORROW’S TIMBER

Photo: Bert Rietberg

MIDDLE AGES AND BEFORE

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STAVE CHURCH 12TH CENTURY

Location Norway, various locations

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Photo: Micha L. Rieser

STOLPHOEVEKERKJE Location Volendam, the Netherlands 1658

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WOODEN HOUSE Location Edam, the Netherlands Ca. 1500

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SAWING MILL 17TH CENTURY

Location ijlst, the Netherlands

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Photo: Martin Falbisoner