Ccat greenshed
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Transcript of Ccat greenshed
CCAT GREENSHEDReviewed by: Everett Williams,
Jacquelynn Dufour
GREENSHED WALLS• Engineering 305 class –Spring
2010• Building with natural materials/
Low embedded energy• Shared constraints• Breathable materials• Minimum upkeep
Cob Wall• Act as a heat battery for the shed• 2:1 ratio of clay/soil• Mixed materials using burrito
method• Issues with bulging clay
Cob Wall• Cracks forming along edges
Clay-Straw slip Wall• Maximize sunlight and provide
insulation• 4:1 ration of clay/water and 3
bales of straw• Clay-straw pressed in forms • Issues with preexisting top beam
and crossbeam
Clay-Straw slip Wall
Cordwood Wall
• Provide insulation to shed• Western cedar used for local
availability and rot resistance• Mortar recipe included
Portland cement, sand, saw dust, and hydrated lime
• Big issue was lack of labor help
Cordwood Wall• Apply new mortar• Wood has shrunken
causing gaps
THANKS!!!!Questions/more information
• http://www.appropedia.org/CCAT_greenshed_west_wall
• http://www.appropedia.org/CCAT_greenshed_cob_wall
• http://www.appropedia.org/CCAT_greenshed_cordwood_wall