The Influence of Different Flow Parameter on the Abrasion Resistance of Fiber-reinforced Hydraulic Concrete
In order to improve the abrasion resistance of hydraulic concrete,the influence of different flow parameters on the anti-abrasion performance was systematically explored through indoor simulation tests.The results indicate that the tensile and compressive strength of concrete mixed with 1%steel fiber can be increased by 32.60%and 16.80%compared with the reference concrete,while the tensile and compressive strength mixed with 0.60%polyester fiber can be increased by 8.40%and 4%.The high velocity flow might lead to high abrasion degree.The abrasion rate of flow with velocity of 10m/s is 130.80%higher than that at 6 m/s.The impact angle and flow distance also significantly affect the abrasive characteristics,with the highest abrasion depth at the impact angle of 90° and the highest abrasion rate at the impact flow distance of 0.30m.By optimizing the fiber content and adjusting the flow parameters,the abrasion resistance of hydraulic concrete can be effectively improved.
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