Thermal-insulation steel fiber concrete and application and preparation method thereof
A technology of thermal insulation concrete and steel fiber, which is applied in the field of steel fiber thermal insulation concrete, can solve the problems of poor tensile, bending and thermal insulation performance, and achieve the effects of good durability and fatigue resistance, light weight and good crack resistance
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Embodiment 1
[0026] A kind of steel fiber thermal insulation concrete, including raw materials with the following weight distribution ratio: 10 parts of steel fiber, 20 parts of vitrified microspheres, 500 parts of cement, 1150 parts of stone, 560 parts of sand, 170 parts of water, 6 parts of admixture, and externally mixed 50 servings;
[0027] It is prepared according to the following steps: first, put the vitrified microbeads and 1 / 3 of the water in the blender into the mixer, and after mixing for 30 seconds, then add the external admixture in the ratio, and after stirring fully and evenly, finally put the Proportional cement, gravel, sand, steel fiber, admixture and remaining water are evenly put into the mixer, and stirred for 3.5 minutes to obtain steel fiber thermal insulation concrete.
[0028] During specific implementation, the effective length of the steel fiber is 10-60mm, and the diameter or equivalent diameter is ≥0.08mm; the particle size of the vitrified microbeads is 0.1-2...
Embodiment 2
[0030] A kind of steel fiber thermal insulation concrete, including raw materials with the following weight distribution ratio: 20 parts of steel fiber, 30 parts of vitrified microspheres, 300 parts of cement, 1400 parts of stone, 460 parts of sand, 230 parts of water, 3 parts of admixture, and externally mixed 60 parts of materials; wherein, the admixture is a retarder commonly used in the art, and the admixture is slag.
[0031] It is prepared according to the following steps: first, put the vitrified microbeads and 1 / 3 of the water in the blender into the mixer, and after mixing for 30 seconds, then add the external admixture in the ratio, and after stirring fully and evenly, finally put the Proportional cement, gravel, sand, steel fiber, admixture and remaining water are evenly put into the mixer, and stirred for 3 minutes to obtain steel fiber thermal insulation concrete.
Embodiment 3
[0033] A kind of steel fiber thermal insulation concrete, including raw materials with the following weight distribution ratio: 30 parts of steel fiber, 30 parts of vitrified microspheres, 410 parts of cement, 1250 parts of stone, 500 parts of sand, 200 parts of water, 0.2 parts of admixture, and 80 servings;
[0034] It is prepared according to the following steps: first, put the vitrified microbeads and 1 / 3 of the water in the blender into the mixer, and after mixing for 30 seconds, then add the external admixture in the ratio, and after stirring fully and evenly, finally put the Proportional cement, gravel, sand, steel fiber, admixture and remaining water are evenly put into the mixer, and stirred for 5 minutes to obtain steel fiber thermal insulation concrete.
[0035]During specific implementation, the effective length of the steel fibers is 10-60 mm, and the diameter or equivalent diameter is ≥0.08 mm; the admixture is a water reducer commonly used in the field, and the ...
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Abstract
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