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CONCRETE 600-800 MJ/ton

WOOD

Cut wood

Multilayer board

500 MJ/ton

4000 MJ/ton

GLASS 15700 MJ/ton

STEEL

(from scrap)

21000 MJ/ton

11000 MJ/ton

ALUMINUM

(recycled)

164000 MJ/ton

18000 MJ/ton

PLASTICS

HDPE 81000 MJ/ton

Data taken from a lecture by Prof. K. Scrivener, EPFL,Switzerland, 2005

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Wilma, Octubre2005, cat 5, wind

250 kph

Rita, Septiembre2005, cat 5, wind 250

k.p.h, No. 5

Dennis, Julio 2005,cat. 4, wind 240 kph

Ike, September 2008,cat. 4, wind 230 kph

Gustav, August 2008,cat. 4, wind 240 kph

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To design and builddisaster safe houses

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H2O ++

+

Normal concrete 15 35 MPa Up to 50% pozzolan

Medium strengthconcrete

35 60 MPa 15% - 35% pozzolan

SECONDARY REACTION

Since 1980 cement replacement materials have been used...

MAIN REACTION

Lime Pozzolan

(admixture)

CSH

CSH Portlandite (lime )Portland cement

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