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Test and model of high strength hydraulic concrete materials

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Document pages: 18 pages

Abstract: This paper studies the comprehensive sensitivity of medium and high strength hydraulic concrete to the content of fly ash and silica fume. Four fly ash powder addition schemes (100, 120, 140 and 160   kg m3) and four silica powder addition schemes (12.5, 17.5, 22.5 and 27.5   kg m3) are considered respectively. The effects of curing age were included in this study. The sensitive feedback is analyzed, including creep development, temperature rise process and strain stress composition. The simulation and test results show that 140   kg m3 fly ash and 22.5   kg m3 silicon powder have excellent strength, durability and creep stability.

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