Concrete
Concrete
Concrete
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<strong>Concrete</strong> Mixture Issues<br />
‣Quality of concrete depends on quality of<br />
aggregates & paste and<br />
the bond between the<br />
two<br />
• Paste quality ==> amou<br />
unt of water & admixtures &<br />
AGGREGATE CLEANLINESS<br />
‣Key properties of concr<br />
rete<br />
• Workability – easily placed, consolidated, finished<br />
• Durability – long term du<br />
urability under service<br />
conditions<br />
• Strength – required stre<br />
ength at desired time
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