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论文类型：期刊论文

发表时间：2009-06-01

发表刊物：ACTA MECHANICA SOLIDA SINICA

收录刊物：SCIE、EI

卷号：22

期号：3

页面范围：261-266

ISSN号：0894-9166

关键字：air-entrained concrete; freeze-thaw cycles; mechanical properties; the dynamic modulus of elasticity; weight loss

摘要：The experimental study of air-entrained concrete specimens subjected to different cycles of freeze-thaw was completed. The dynamic modulus of elasticity, weight loss, the cubic compressive strength, compressive strength, tensile strength and cleavage strength of air-entrained concrete were measured after 0, 100, 200, 300, 400 cycles of freeze-thaw. The experimental results showed that the dynamic modulus of elasticity and strength decreased as the freeze-thaw was repeated. The influences of freeze-thaw cycles on the mechanical properties, the dynamic modulus of elasticity and weight loss were analyzed according to the experimental results. It can serve as a reference for the maintenance, design and the life prediction of dams, hydraulic structures, offshore structures, concrete roads and bridges in northern cold regions.