Ultra-high ductility cement-based materials for repair and reinforcement
A cement-based material, repair and reinforcement technology, applied in the field of building materials, can solve problems such as poor ductility and uncontrollable setting time, and achieve the effects of improving ductility, toughness and flexural strength
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Embodiment 1
[0023] This embodiment provides an ultra-high ductility cement-based material for repair and reinforcement, which consists of the following components by mass: 200 parts of cement, 200 parts of mineral powder, 100 parts of steel slag powder, 50 parts of lithium slag powder, and 50 parts of zeolite powder , 1400 parts of natural sand with a particle size of less than 1.25mm and a crushing value of less than 8%, 100 parts of water, 10 parts of nano-titanium dioxide, and 10 parts of microcapsules (the core material of the microcapsules consists of 20 parts of starch glue, 30 parts of silica sol, 10 parts of silane coupling agent and 40 parts of water), 20 parts of PVA fiber, 30 parts of titanium white slag, 60 parts of auxiliary agent solution composed of sodium hydroxide and sodium silicate solution (sodium hydroxide and sodium silicate solution The ratio is 4:6), 10 parts of glycerin modified pure acrylic emulsion, 50 parts of lightly burned nickel-iron slag at 500 °C.
Embodiment 2
[0025] This embodiment provides an ultra-high ductility cement-based material for repair and reinforcement, which is composed of the following components by mass: 50 parts of cement, 150 parts of mineral powder, 50 parts of steel slag powder, and 50 parts of lithium slag powder, with a particle size of less than 1.25 mm, 700 parts of quartz sand with a crushing value less than 8%, 600 parts of water, 2 parts of nano-alumina, and 2 parts of microcapsules (the core material of the microcapsules consists of 40 parts of starch glue, 10 parts of silica sol, and 15 parts of silane Coupling agent and 35 parts of water), 1 part of PE fiber, 10 parts of titanium white slag, 30 parts of auxiliary agent solution composed of sodium hydroxide and sodium silicate solution (the ratio of sodium hydroxide to sodium silicate solution is 3 :7), 50 parts of glycerol-modified pure acrylic emulsion, 10 parts of lightly burned nickel-iron slag at 900°C.
Embodiment 3
[0027] This embodiment provides an ultra-high ductility cement-based material for repair and reinforcement, which is composed of the following components by mass: 400 parts of mineral powder, 100 parts of steel slag powder, 100 parts of lithium slag powder, the particle size is less than 1.00mm, crushed 1000 parts of regenerated copper slag sand with a value of less than 8%, 400 parts of water, 3 parts of nano-titanium dioxide, 5 parts of nano-alumina, and 8 parts of microcapsules (the core material of the microcapsules consists of 10 parts of starch glue, 40 parts of silica sol, 5 parts of silane coupling agent and 45 parts of water), 18 parts of PVA fiber, 20 parts of titanium white slag, 50 parts of additive solution composed of sodium hydroxide, sodium carbonate, sodium formate and sodium silicate solution (sodium hydroxide, The ratio of sodium carbonate, sodium formate and sodium silicate solution is 3:1:1:5), 40 parts of glycerin modified pure acrylic emulsion, 30 parts o...
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