High-toughness anti-cracking cement concrete and preparation method thereof
A cement concrete and anti-cracking technology, which is applied in the field of building materials, can solve the problems of concrete durability decline, concrete cracking, and low tensile strength, and achieve the effects of increasing strength, improving toughness, and improving flexibility
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Embodiment 1
[0051] The high-toughness and anti-cracking cement concrete provided by the embodiment of the present invention has the mass ratio of raw materials as 3% of hydroxyethyl cellulose, 0.2% of cellulose ether, 4% of FRP fiber, 3% of PP polypropylene fiber, and 0.2% of pH-sensitive hydrogel ~0.8%, cement 20%, aggregate 45%, redispersible rubber powder 1%~2%, cellulose ether modified additive 0.5%~1%, water reducer 1%, coagulation regulator 0.1%, waste Glass 5% and fly ash 10%. Strength can reach Cc80.
Embodiment 2
[0053] The high-toughness anti-cracking cement concrete provided by the embodiments of the present invention has the mass ratio of raw materials as 8% of hydroxyethyl cellulose, 0.8% of cellulose ether, 4%-6% of FRP fiber, 3%-5% of PP polypropylene fiber, pH Sensitive hydrogel 0.8%, cement 25%, aggregate 55%, redispersible rubber powder 1%~2%, cellulose ether modified additive 0.5%~1%, water reducing agent 1%~2%, adjusting 0.1% to 0.2% coagulant, 5% to 10% waste glass and 115% fly ash. Strength can reach Cc85.
Embodiment 3
[0055] The high-toughness and anti-cracking cement concrete provided by the embodiments of the present invention has the mass ratio of raw materials as 5% of hydroxyethyl cellulose, 0.5% of cellulose ether, 5% of FRP fiber, 3% to 5% of PP polypropylene fiber, and pH-sensitive hydraulic coagulation Glue 0.2%~0.8%, cement 22%, aggregate 50%, redispersible rubber powder 1%~2%, cellulose ether modified additive 0.5%~1%, water reducing agent 1%~2%, adjusting 0.1% to 0.2% coagulant, 5% to 10% waste glass and 12% fly ash. Strength can reach Cc82.
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