High-durability concrete
A technology of durable concrete and mixed fibers, applied in the field of concrete, can solve the problems of complex service environment of concrete structures, inability of concrete durability to meet social requirements, low dosage and overall technical level, etc., and achieves good frost resistance and service life. Long, high-strength effects
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Embodiment 1
[0015] The high durability concrete of the present invention, its raw material comprises the following components by weight: 100 parts of cement, 350 parts of river sand, 350 parts of crushed stone, 120 parts of water, 15 parts of fly ash, 80 parts of nano beads, natural 5 parts of zeolite superfine powder, 18 parts of alumina, 2 parts of sodium sulfate, 6 parts of diethanolamine, 1 part of sodium hydroxide, 1.6 parts of methyltrichlorosilane, 2 parts of ethanol, 6 parts of air-entraining agent, lignosulfonic acid 1 part of salt water reducer, 4 parts of polyvinyl alcohol, 5 parts of mixed fiber, 1.2 parts of sodium nitrite, 0.5 part of polyvinylpyrrolidone; the mixed fiber is carbon fiber, steel fiber, polypropylene fiber, polyvinyl alcohol fiber The combination of parts by weight is 1:5:7:3.
Embodiment 2
[0017] The high durability concrete of the present invention, its raw material comprises the following components by weight: 200 parts of cement, 150 parts of river sand, 700 parts of gravel, 50 parts of water, 35 parts of fly ash, 30 parts of nano beads, natural 35 parts of zeolite superfine powder, 10 parts of alumina, 5 parts of sodium sulfate, 3 parts of diethanolamine, 2.5 parts of sodium hydroxide, 1 part of methyltrichlorosilane, 5 parts of ethanol, 3 parts of air-entraining agent, lignosulfonic acid 2.8 parts of salt water reducer, 2 parts of polyvinyl alcohol, 20 parts of mixed fiber, 0.3 part of sodium nitrite, 1.6 parts of polyvinylpyrrolidone, 0.5 part of curing agent; the mixed fiber is carbon fiber, steel fiber, polypropylene fiber , The combination of polyvinyl alcohol fibers in a ratio of 1:2:3:6 by weight;
[0018] Wherein, the air-entraining agent is uniformly stirred by 30 parts by weight of sodium dodecylbenzene sulfonate, 30 parts by weight of stearic acid...
Embodiment 3
[0020] The high durability concrete of the present invention, its raw material comprises the following components by weight: 120 parts of cement, 263 parts of river sand, 400 parts of gravel, 95 parts of water, 19.3 parts of fly ash, 43 parts of nano beads, natural 11.6 parts of zeolite superfine powder, 15 parts of alumina, 3.9 parts of sodium sulfate, 5.46 parts of diethanolamine, 2.3 parts of sodium hydroxide, 1.4 parts of methyltrichlorosilane, 2.68 parts of ethanol, 4.9 parts of air-entraining agent, lignosulfonic acid 2.1 parts of salt water reducer, 3.2 parts of polyvinyl alcohol, 13.5 parts of mixed fiber, 0.94 part of sodium nitrite, 1.4 parts of polyvinylpyrrolidone, 1.2 parts of curing agent; the mixed fiber is carbon fiber, steel fiber, polypropylene fiber , The combination of polyvinyl alcohol fibers in a ratio of 1:4:6:5 by weight;
[0021] Wherein, the air-entraining agent is uniformly stirred by 55 parts by weight of sodium dodecylbenzene sulfonate, 20 parts by...
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