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Chemical Admixtures for Concrete
accelerating agents adhesives admixtures airentraining agents
Chapter 6Miscellaneous admixtures p 212 3R22 and grout so as
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accelerators achieve added addition admix agents aggregate air content air-entraining admixture amount ASTM batch bleeding calcium chloride carbon cause cement content changes characteristics chemical combination Committee concrete mixture containing corrosion crete decrease depending desirable determine discharge dispensing dosage drying early effects entrainment evaluated expansion factors finely flowing concrete freezing and thawing given greater grout hardened heat high-range water reducers higher hydration improved increase Institute less limits liquid loss lower materials ment methods mixer mixing mortar normally obtained operator organic paste percent placed plant plasticizing portland cement powder Practice present procedures produce proper properties proportions protection pumping range recommended reduce reinforced reported Research resistance to freezing result retarding salts setting shrinkage slump solution specific Standard steel strength tank temperature tests tion tures Type usually various volume water content water-reducing admixtures weight mass