Lectures and workshops on natural building
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This document summarizes a presentation on building with straw. It discusses the history of straw construction from early examples in Nebraska in the 1900s to modern projects. Benefits of straw building highlighted are its good insulation properties, low embodied energy, ability to store carbon, and sustainability. Examples of different straw construction methods are provided, including infill walls, prefabricated panels, and load-bearing straw. The presentation promotes straw construction and announces opportunities to get involved in natural building education programs.
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Lectures and workshops on natural building
- 1. Intro s4s
- 2. Lectures and workshops on natural building
- 3. Ilonka TEAM Don’t hestitate to contact us! Juan Max Rosan
- 4. Practicalities Graduate on natural building? Explore Lab offers 5 places, coming February Email Robert Nottrot: R.J.Nottrot@tudelft.nl Go to the explore lab meeting on Nov. 5th, 12:45, Room P Stay updated, like us on facebook : Natuurlijkbouwenkunjijook Ideas for future lectures? Please contact us.
- 5. Lecture of today Stobouw Nederland
- 6. Building with straw Your second skin, CO2 neutral
- 7. TU Delft Oct 27th 2015 Content of the presentation: - Why build with straw - Over a century of building with straw - Modern straw construction examples - Straw & Straw - Construction process for straw as infill (the Dutch way) - Working together . . YES
- 8. Short introduction Active with stro building since 2010: board Strobouw Nederland international contact construction supervision advice & construct Also biobased and natural building www.natuurlijk-thuis.nl sissy@natuurlijk-thuis.nl Sissy Verspeek
- 9. Short introduction Active with stro building since 2009: board Strobouw Nederland buildingmethodes & details training & workshops international contact construction supervision advice & construct thermograophy WWW.STROBOUWER.NL WOUTER@STROBOUWER.NL Wouter Klijn
- 10. It is a non-ending material has a low energy content can isnsulate well (heat and noise) has a reasonable thermal mass can give a healthy building Is in dry form very stable provides storage of large amounts of CO2 is good recyclable / compostable There are few materials that score better on all these points. Why build with straw?
- 11. Why build with straw? Primary energie needed and CO2 produced per m2 insulation materials
- 12. Why build with straw? Primary energie needed and CO2 produced per house
- 13. History 2 more reasons to build with straw: - The bale-press was invented in Amerika around 1893 - In Nebraska was, due to poor supply, in 1900 a lack of construction materials.
- 14. History Around 1900 arose in the area of Nebraska the first straw bale buildings. And some of these still exists…
- 15. History Around 1900 arose in the area of Nebraska the first straw bale buildings. And some of these still exists…
- 16. History Around 1900 arose in the area of Nebraska the first straw bale buildings. And some of these still exists… Sturtz Ranch House, Nebraska USA, 1905
- 17. History Around 1900 arose in the area of Nebraska the first straw bale buildings. And some of these still exists… Pilgrim Holiness Church, Arthur, Nebraska USA, 1928
- 19. History NL Heeze 1942 – 1944 the Netherlands The first 2 Straw bale houses J. Gubbels, Riels Hut en Huize Heivelden, Heeze 1942-44
- 20. Development in NL First house with a permit -construction: steel / condensation -ouside earth plaster: rain damage Fam Sonneveld, Ouwerkerk, 1998.
- 21. Development in NL Self build - Steel construction with straw - Clean finish Robert W. Jansen, Markelo, 2003.
- 22. Development in NL Self build - Steel construction with straw - Clean finish Robert W. Jansen, Markelo, 2003.
- 23. Development in NL Prefab straw building: - Façade-wide panels - Outside covered with wood - Inside finished with loam Robert W. Jansen, Markelo, 2003. Fillie & Verhoeven, R.Dalmeijer, IJburg, 2008
- 24. Development in NL Straw infill in wood-structure: - Professional build - Straw building by owner - Finisched with lime-plaster
- 25. Development in NL Straw prefab panels: - Closed box construction - Roof and wall with reed - Professional build - Straw by sub-contractor
- 26. Development in NL Sociale housing (rent): - Professional build - Straw and plaster by tenants - Deffirent combinations of housing - Co-housing Iewan, Nijmegen Lent, 2014
- 27. Modern straw building Prefab straw building: - Laminated wooden frame - Low maintenace cost - 1500-1600 euro/m2 - 40kWh/m2/year - Social housing Robert W. Jansen, Markelo, 2003. Jules Ferry Residence, Frankrijk, 7 storeys in staw
- 34. Renovation straw building: - Façade and roof - Special carrier - Green roof - Façade with wooden cladding Schwerin, Germany, renovation old brauwerei. Modern straw building
- 35. Schwerin, Duitsland, renovatie oude brauwerei. Modern straw building
- 36. Schwerin, Duitsland, renovatie oude brauwerei. Modern straw building
- 37. Schwerin, Duitsland, renovatie oude brauwerei. Modern straw building
- 38. Schwerin, Duitsland, renovatie oude brauwerei. Modern straw building
- 39. Schwerin, Duitsland, renovatie oude brauwerei. Modern straw building
- 40. Prefab façade with straw - Office, 5 storeys - CO2 neutral - Directly on straw plastered Center for Sustainable Constructions, Verden, 2014 Modern straw building
- 45. Prefab façade with straw - Classrooms - Laboratories - Offices Make Archi. , Gateway building University of Nottingham Modern straw building
- 48. Prefab straw building - Façade and roof with straw - Construction of wood Elementary school, Montreuil, Paris Modern straw building
- 52. Infill straw building - Façade and roof with straw - Construction of wood - Straw building with volunteers Enno-Narten-Building, Youth Castle, Ludwigstein, Germany Modern straw building
- 58. Load barring srtaw construction - Straw building without construction - Large and small straw bales Load barring straw building, Wahlen, Switzerland Modern straw building
- 65. STRAW & STRAW - 48x36cm, length: 60-110cm (small bale) - 90-110 kg/m3 - RH: <15% - Weed: <0,5 % (mass) - Residual weat: <0,4 % (mass) - Conductivity (on edge): 0,04 – 0,05 W/mK - Conductivity (flat): 0,07 - 0,08 W/mK - Fire rating: B2 - Fire protection: F-30 tot F-90 - Biological degradation: classe 2-3
- 66. STRAW & STRAW Thermal conductivity is determined by the main direction of the straw itself, not by the density.
- 67. STRAW & STRAW A wall of straw can be is as thick as a standard wall with the same thermal quality. (Rc = 7)
- 68. STRAW & STRAW With a 10mm plaster layer the straw wall gives you fire resistance of 90 min. Modcel did successful tests with their straw module reaching over 2 hours of fire resistance.
- 69. STRO & STRO Wood-frame construction with straw may increase earthquake providence security.
- 70. STRO & STRO Straw gives increase attenuation of sound.
- 71. STRAW as infill Straw bale on-its-side Timber frame with two posts Inside: constructive Outside: wears the façade
- 72. SSTRAW as infill Straw bale on-its-side Timber frame with two styles Inside: constructive Outside: wears the façade Skirting construction
- 73. STRAW as infill Straw bale on-its-side Timber frame with two styles Inside: constructive Outside: wears the façade Skirting construction Timber framing
- 74. STRAW as infill Straw bale on-its-side Timber frame with two styles Inside: constructive Outside: wears the façade Skirting construction Timber framing Straw placing
- 75. STRAW as infill Straw bale on-its-side Timber frame with two styles Inside: constructive Outside: wears the façade Skirting construction Timber framing Straw placing Straw flattened
- 76. STRAW as infill Straw bale on-its-side Timber frame with two styles Inside: constructive Outside: wears the façade Skirting construction Timber framing Straw placing Straw flattened Straw protected with clay and covered with wood
- 77. STRAW airtight Continues to be a very importannt but often forgotten aspect.
- 78. STRAW airtight -design of wood structure needs to be based on straw -airtight tape between rigid parts -use softwoodboard as render support
- 79. Leonardo DaVinci partnership 2011-2015 Creating a framework for an international agreed: “professional education” www.strawleonardo.eu
- 80. ESBA European Straw Building Association (2015?) - Target is: Foundation of ESBA in Oct-Nov 2015 - Members are: The national “associations” - Main object is: To promote and develop the use of straw in the construction sector in the EU.
- 81. Straw tomorrow . . . . ? YES !
- 82. Coming Lecture
- 83. Graduate on natural building? Explore Lab offers 5 places, coming February Email Robert Nottrot: R.J.Nottrot@tudelft.nl Go to the explore lab meeting on Nov. 5th, 12:45, Room P
Editor's Notes
- Introductie S4S
- Welcome everybody to the first lecture of this year in a series of lectures and workshops about natural building methods. We find students with some experience with natural materials and we wanted to share knowledge about building with natural materials.