New Materials in ConstructionNew Materials in Construction
A substitute for concreteA substitute for concrete
PRESENTED BYPRESENTED BY
UDRA .BUDRA .B
What isWhat is PapercretePapercrete
This is a recently developed material . It isThis is a recently developed material . It is
made withmade with repulpedrepulped paperpaper--fiber with afiber with a
combination of Portland cement or claycombination of Portland cement or clay
This type of material is consideredThis type of material is considered
environmental friendly material.environmental friendly material.
It was discovered by Eric Patterson and MikeIt was discovered by Eric Patterson and Mike
First paper is gotten. The paper can beFirst paper is gotten. The paper can be
gotten form newspaper, junk, mail.gotten form newspaper, junk, mail.
Magazines, and books.Magazines, and books.
The paper may be soaked into waterThe paper may be soaked into water
A mixer is used to mix the material withA mixer is used to mix the material with
Portland Cement and maybe with otherPortland Cement and maybe with other
additives in a tow mixture. Add wateradditives in a tow mixture. Add water uptoupto
2/3 rd height of the mixture.2/3 rd height of the mixture.
Dried Concrete has very low tensile strengthDried Concrete has very low tensile strength
so can buildso can build uptoupto 1 storey.1 storey.
PapercretePapercrete provides good insulationprovides good insulation
RR--value is about 2.0 and 3.0 per inchvalue is about 2.0 and 3.0 per inch
Seven times Lightweight than concrete.Seven times Lightweight than concrete.
Its mold resistant material and can be used as aIts mold resistant material and can be used as a
soundsound--proofing material.proofing material.
Compressive strength of 140Compressive strength of 140--160 lb/sq in160 lb/sq in
Decrease CODecrease CO--2 content in concrete.2 content in concrete.
It is dimensionally very stable due to strongIt is dimensionally very stable due to strong
bonding of OH BONDS OF CELLULOSE.bonding of OH BONDS OF CELLULOSE.
Does not support flames and will smolder forDoes not support flames and will smolder for
The more cement and mineral material is usedThe more cement and mineral material is used
the more fire proof it becomes.the more fire proof it becomes.
Resist rodent and insect infestationResist rodent and insect infestation
Prevents landfills of paper waste.Prevents landfills of paper waste.
Economic in India, China, Africa.Economic in India, China, Africa.
SafetySafety factors. There are many variationsfactors. There are many variations
in creatingin creating papercretepapercrete that no one knowthat no one know
which one is the best.which one is the best.
There is no way to get a loan using it asThere is no way to get a loan using it as
PapercretePapercrete is still not classified asis still not classified as
anything and therefore it is hard to find aanything and therefore it is hard to find a
good creditor willing to give you a loan andgood creditor willing to give you a loan and
if one finds one the rates might be higher.if one finds one the rates might be higher.
Rainy & Marshy areas not suitable sinceRainy & Marshy areas not suitable since
water absorbing.water absorbing.