Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Strategies For Enhancing the Freeze-Thaw Durability of Portland Cement Concrete Pavements
Use of fly ash and ground granulated blast furnace slag as partial portland cement and simple initial cost economics. This laboratory study examined the freeze/thaw durability of concrete specimens containing these additives with water-cementitious material ratios ranging from 0.30 to 0.45 and air contents ranging from no entrained air to a target 7.0 percent air. ASTM 666 accelerated freeze-thaw testing in a sodium chloride solution with measurements of the dynamic modulus of elasticity and weight loss were the primary evaluation methods for the concrete. Because of the latest hydraulic activity imparted by the mineral additives, specimens were allowed to cure for 56-days before the testing regime began. Freeze-thaw testing then proceeded for an extended period up to 1500 cycle.
Strategies For Enhancing the Freeze-Thaw Durability of Portland Cement Concrete Pavements
Use of fly ash and ground granulated blast furnace slag as partial portland cement and simple initial cost economics. This laboratory study examined the freeze/thaw durability of concrete specimens containing these additives with water-cementitious material ratios ranging from 0.30 to 0.45 and air contents ranging from no entrained air to a target 7.0 percent air. ASTM 666 accelerated freeze-thaw testing in a sodium chloride solution with measurements of the dynamic modulus of elasticity and weight loss were the primary evaluation methods for the concrete. Because of the latest hydraulic activity imparted by the mineral additives, specimens were allowed to cure for 56-days before the testing regime began. Freeze-thaw testing then proceeded for an extended period up to 1500 cycle.
Strategies For Enhancing the Freeze-Thaw Durability of Portland Cement Concrete Pavements
S. M. Cramer (Autor:in) / R. A. Walls (Autor:in)
2001
64 pages
Report
Keine Angabe
Englisch
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