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' • Pozmix Cements <br /> ' EFFECT ON CEMENT PROPERTIES <br /> X Minor Effect <br /> N Major Effect, or principal purpose for additive's use. <br /> ' Decreases Increases No Effect <br /> Densiry N <br /> Viscosity X <br /> ' Water for Mixing X <br /> Pumping Time or <br /> Thickening Time X <br /> I Early Strength X <br /> Final Strength X <br /> Water Loss X <br /> Durabilirv_ N <br /> CASE HISTORIES (Engineers' Report, etc.) <br /> REFERENCES <br /> ' Davis, R. E.: "Pozzolanic Materials and Their Use in <br /> Concrete," ASTM Special Tech. Pub. No. 99 <br /> (1949) <br /> 3-15. <br /> ' Davis, R. E.: "What You Should Know About <br /> Pozzolans," Engineering News Record (April 5, <br /> 1951) <br /> ' 146, No. 14, 37-40. <br /> Lea,F.M.,and Desch,C.H.:The Chemistry of Cement and <br /> Concrete, Arnold & Co., London (1935; re- <br /> print <br /> 1937; 1940). <br /> Halliburton Pozmix Cement Manual <br /> ' RANGE OF USAGE <br /> Normally, a 50-50 ratio by absolute volume. Some <br /> areas are using 40-60 Pozmix A Cement with accelerators <br /> for setting surface pipe. <br /> ' 7 <br />