The flexural strength of each age showed a trend of first decreasing and then increasing with the increase in the modulus of water glass, and it was the minimum when the modulus was 1.4.
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Influence of Different Parameters on the Performance of Alkali-Activated Slag/Fly Ash Composite System.
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The sentences
With the increase in solid content, the compressive strength of each age shows an increase first and then a decreasing trend.
With the increase in the modulus of water glass, the compressive strength of the material at 2 d age showed an increasing trend, and the maximum value was 15.2 MPa.