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- W2386472607 abstract "Evaluation of Erd(relatively dynamic modulus of elastically) ,ultrasound amplitude and compressive strength verse corrosion time of concretes were conducted. Four sets of concretes,the one was plain concrete,and others were concretes with GGBS in different addition. The corrsion solution was 5.0%Na2SO4(in mass) .The corrosion system was drying-immersion cycles. Experiments show that the value of Erd decreases firstly,then increases with corrosion time,after that the value of Erd keeps steady,finally it declines to failure. And the value of ultrasound amplitude is stable before 100 times of corrosion cycles,then decreases to failure. The damage degree of concrete due to sulfate corrosion reduces with increased GGBS replacement level,and the compressive strength loss rate of concretes with GGBS decreases by 28%～62% comparing to plain concrete. Additionally,the gypsum and ettringite are main corrosion products of concrete,which attacked by sulfate solution and drying-immersion cycles. And the expanded corrosion products lead to cracks in paste and in interface of paste and aggregate,finally cause the deterioration of concrete." @default.
- W2386472607 created "2016-06-24" @default.
- W2386472607 creator A5036720538 @default.
- W2386472607 date "2009-01-01" @default.
- W2386472607 modified "2023-09-23" @default.
- W2386472607 title "Damage of Concretes with GGBS Attacked by Sulfate Salt" @default.
- W2386472607 hasPublicationYear "2009" @default.
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