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Svojstva betona

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STRUKTURA BETONA<br />

Gotovo sva fizikalna i mehanička svojstva <strong>betona</strong> (čvrstoća, ispunjenost,<br />

vodljivost topline, vodljivost zvuka, otpornost na temperaturu, otpornost na<br />

mraz, otpornost na koroziju i sl.) ovise o strukturi, a osobito o<br />

gustoći -količini mase (tvari) po jedinici volumena.<br />

- Uobičajena gustoća <strong>betona</strong> (običan beton):<br />

ρ = 2000 - 2600 kg/m 3<br />

- Beton male gustoće (lagani beton):<br />

ρ = 800 - 2000 kg/m 3<br />

- Beton velike gustoće (teški beton):<br />

ρ>2600 kg/m 3<br />

- Za proračun se uzima prosječna gustoća <strong>betona</strong>:<br />

ρ = 2400 kg/m 3 (za nearmirani beton)<br />

ρ = 2500 kg/m 3 (za armirani beton)<br />

mr. sc. V. Herak-Marović, 2007/08 10

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