ASTM C150
ASTM C150
ASTM C150
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Concrete<br />
Components<br />
• Admixtures<br />
– Retarders<br />
• Slows the rate of hardening to increase<br />
working time<br />
– Accelerators<br />
• Increase the rate of hardening<br />
– Pozzolans<br />
• Used to replace some of PC with var. benefits<br />
– Plasticizers<br />
• Increases workability of the mix
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