Impact-resistant and wear-resistant concrete for rapid road repair and preparation process thereof
A preparation process and concrete technology, which are applied in the field of impact-resistant and wear-resistant concrete and its preparation, can solve the problems that aggregate affects concrete performance, the wear rate of impact-resistant materials is high, and the impact-wear resistance is low, so as to avoid concrete sand and gravel. The effect of running off, improving early strength, and improving workability
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Embodiment 1
[0036] The invention provides the following technical proposal: a kind of anti-impact and wear-resistant concrete for rapid repair of roads, the raw materials of which include the following components:
[0037] 150 parts of water, 230 parts of cement, 70 parts of fly ash, 20 parts of silica fume, 80 parts of medium sand, 70 parts of aggregate, 20 parts of acrylic fiber, 10 parts of expansion agent, 3 parts of anti-abrasion agent, high polycarboxylate Performance water reducer 5 parts, retarder 7 parts, anti-scourrence agent is a compound admixture, the main function is to improve the performance of the mixture, reduce the loss of slump over time, and stimulate the potential volcanic ash of fly ash Activity, increase the amount of hydration products, improve the early strength of large-volume fly ash concrete, the anti-abrasion agent contains a small amount of water-reducing agent, which can improve the construction performance of the mixture, and the anti-abrasion agent contain...
Embodiment 2
[0044] The invention provides the following technical proposal: a kind of anti-impact and wear-resistant concrete for rapid repair of roads, the raw materials of which include the following components:
[0045] 180 parts of water, 260 parts of cement, 80 parts of fly ash, 40 parts of silica fume, 100 parts of medium sand, 90 parts of aggregate, 30 parts of acrylic fiber, 20 parts of expansion agent, 7 parts of anti-abrasion agent, high polycarboxylate 10 parts of performance water reducer and 10 parts of retarder. The anti-scouring agent is a composite admixture whose main function is to improve the working performance of the mixture, reduce the loss of slump over time, and stimulate the potential of fly ash. Pozzolanic activity, increase the amount of hydration products, and improve the early strength of large-volume fly ash concrete. The anti-scouring agent contains a small amount of water-reducing agent, which can improve the construction performance of the mixture. The anti...
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