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In this paper, orthogonal test is used to optimize the mix ratio of ceramsite foam concrete and improve the strength of ceramsite foam concrete with ceramsite content, water-cement ratio and fly ash content as the research parameters, and the compressive strength is taken as the main investigation index.The experimental results show that the content of fly ash has the greatest influence on the compressive strength of ceramsite foam concrete, the content of ceramsite is the second, and the ratio of water to cement is the smallest.Through experiment and analysis, the recommended mix ratio is as follows: the content of ceramsite is 10% ∼20%, the amount of fly ash is 10% ∼15%, and the ratio of water to cement is 0.4 ∼0.5.

Study on influencing factors of mechanical properties of ceramsite foam concrete based on orthogonal test