Preparation method of high-strength semi-recycled coarse aggregate concrete
A concrete, semi-recyclable technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of high porosity, high water absorption, low strength, etc., and achieve low porosity and low water absorption. , high-strength effect
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Embodiment 1
[0033] The weight ratio of concrete components includes: 6kg of granite, 6kg of gypsum, 8kg of broken bricks, 6kg of shale, 4kg of glass, 6.5kg of ceramics, 5kg of turf soil, 3kg of mineral waste, 6kg of pine needle soil, 6kg of cement, 1kg of strengthening agent, Water 8kg, water reducer 1.5kg.
[0034] Mineral soil crushing treatment, first pour granite, gypsum, broken bricks, such as shale, glass, ceramics into the pulverizer for sufficient crushing, the size of the raw materials is controlled at 8.5mm; the above raw materials are washed with water, drained and dried; Place in 1.5% concentration of hydrochloric acid solution, soak for 4 hours, then soak raw materials in alkaline solution, soak for 1.5 hours, and obtain regenerated coarse aggregate after intensive treatment; grind mineral waste, pine needle soil, and cement into powder shape, then slowly pour in 1 / 3 of the water, and stir evenly; mix granite, gypsum, broken brick, such as shale, glass, ceramic powder with th...
Embodiment 2
[0036] 3.5kg of granite, 3kg of gypsum, 4kg of broken bricks, 2kg of shale, 1.8kg of glass, 4kg of ceramics, 2kg of turf soil, 1kg of mineral waste, 2kg of pine needle soil, 3.5kg of cement, 0.5kg of strengthening agent, 3kg of water, and water reducing agent 0.5kg.
[0037] For ore soil crushing, first pour granite, gypsum, broken bricks, such as shale, glass, and ceramics into the pulverizer for sufficient crushing. The diameter of the raw materials is controlled at 4.85mm; the above raw materials are washed with water, drained and dried; Place in 1.5% concentration of hydrochloric acid solution, soak for 2 hours, then soak raw materials in alkaline solution, soak for 1 hour, and obtain regenerated coarse aggregate after strengthening treatment; grind mineral waste, pine needle soil, and cement into powder , then slowly pour in 1 / 3 of the water, and stir evenly; mix the powder of granite, gypsum, broken brick, such as shale, glass, and ceramics with the above-mentioned raw m...
Embodiment 3
[0039]The weight ratio of concrete components includes: 4 parts of granite, 5 parts of gypsum, 6 parts of broken brick, 3 parts of shale, 2 parts of glass, 5 parts of ceramics, 4 parts of turf soil, 2 parts of mineral waste, and 3 parts of pine needle soil , 5 parts of cement, 0.6 parts of strengthening agent, 6 parts of water, and 1 part of water reducing agent.
[0040] For ore soil crushing, first pour granite, gypsum, broken bricks, such as shale, glass, and ceramics into the crusher for sufficient crushing. The diameter of the raw materials is controlled between 6mm, and the above raw materials are washed with water, drained and dried. ; placed in a hydrochloric acid solution with a concentration of 1.5%, soaked for 3 hours, then soaked the raw materials in an alkaline solution, soaked for 1.2 hours, obtained regenerated coarse aggregate after intensive treatment, and ground mineral waste, pine needle soil, and cement into Powder, then slowly pour 1 / 3 of the water, and st...
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