Mechanical Characteristics of Self-Consolidating Concretes Exposed to Elevated Temperatures
作者： Kosmas K. Sideris
DOI: 10.1061/(ASCE)0899-1561(2007)19:8(648)
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摘要: Mechanical characteristics of self-consolidating concretes subjected to elevated temperatures up 700°C were experimentally investigated in this paper. Eight different [four (SCC) and four conventional (CC)] strength categories produced. At the age 120 days, specimens placed an electrical furnace heating was applied at a rate 5°C∕min until desired temperature reached. A maximum 100, 300, 500, maintained for 1 h . Specimens then allowed cool tested compressive strength, splitting tensile ultrasonic pulse velocity. Similar tests also performed room (20°C) reference specimens. Residual both SCC CC reduced almost similar tested. Explosive spalling occurred highest category greater than 380°C The residual compre...
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