High-strength and high performance lightweight aggregate and preparation method thereof
A high-performance, lightweight aggregate technology, applied in the fields of ceramic products, climate sustainability, and other household appliances, can solve the problems of difficulty in preparing ultra-high-strength lightweight aggregate concrete, high energy consumption, high power consumption, and low cylinder compressive strength and other problems, to achieve the effect of low production cost, low water absorption and low energy consumption
Active Publication Date: 2009-06-17
CHINA STATE CONSTR READY MIXED CONCRETE CO LTD
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The invention belongs to the field of inorganic non-metallic material, and in particular relates to a light aggregate with high strength and high performance and a preparation method thereof. The light aggregate with high strength and high performance is characterized in that the light aggregate is prepared from solid raw materials and water glass solution, and the mass ratio of the water glass solution to the solid raw materials is 0.3-0.8:1, wherein the solid raw materials consist of metakaolin, steel slag, coal ash, mineral slag and foaming agent; each raw material in the solid raw materials by mass percentage comprises: 30 to 99.9 percent of the metakaolin, 0 to 30 percent of the steel slag, 0 to 50 percent of the coal ash, 0 to 70 percent of the mineral slag, and 0.1 to 0.5 percent of the foaming agent; and the sum of the each raw material in the solid raw materials by mass percentage is 100 percent. The method has the advantages of simple process and low production cost; and the light aggregate with high strength and high performance prepared by the method has the characteristic of high cylinder pressing strength.
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Property | Measurement | Unit |
Bulk density | 852.0 | kg/m³ |
Cylinder compressive strength | 15.6 | MPa |
Specific surface area | 4700.0 | cm²/g |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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