High-strength active powder fiber concrete slab and manufacturing method thereof
A fiber-reinforced concrete and reactive powder technology is applied in the manufacture of the above-mentioned high-strength reactive powder fiber-reinforced concrete panels, and in the field of high-strength reactive powder-fiber concrete panels, to achieve the effects of speeding up construction, reducing weight, and facilitating transportation
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Embodiment 1
[0031] The high-strength active powder fiber concrete slab provided by this embodiment includes water and ingredients with a water-binder ratio of 0.28-0.36. The water-binder ratio can be selected from the most suitable value in the range of 0.28-0.36 according to different requirements to ensure The final product has the most suitable hardness and is easy to manufacture. For the same ingredients, the smaller the water-binder ratio, the greater the hardness of the final product, but the production efficiency is relatively reduced. The proportioning (weight ratio) of each composition of batching is: 40% of quartz powder, 30% of 42.5# cement, 3% of plant fiber, 3% of alkali-resistant glass fiber, 5% of nano-scale silicon powder, 18% of fly ash and Polyacrylic acid superplasticizer 1%; the concrete slab is a multi-layer structure, one surface of which is provided with a fibrous polymer mesh layer, this surface is the bottom surface of the concrete slab, and an alkali-resistant gla...
Embodiment 2
[0033] The high-strength reactive powder fiber concrete slab provided by the present embodiment differs from Example 1 in that the proportioning (weight ratio) of each ingredient of the batching is: 35% of quartz powder, 30% of 42.5# water, 3% of plant fiber, 3% of alkali-resistant glass fiber, 8% of nano-scale silica fume, 20% of fly ash and 1% of polyacrylic superplasticizer. The amount of fly ash used as a mineral additive. Fly ash has good fluidity, which can promote the uniform and full reaction of each component of the raw material during the reaction, improve the efficiency of the raw material reaction, and facilitate manufacturing.
Embodiment 3
[0035] The high-strength active powder fiber concrete slab provided by the present embodiment differs from Example 1 in that the proportioning (weight ratio) of each ingredient of the batching is: 35% of quartz powder, 35% of 42.5# water, 3% of plant fiber, 3% of alkali-resistant glass fiber, 5% of nano-scale silica fume, 18% of fly ash and 1% of polyacrylic superplasticizer. The products obtained by using this ratio can meet the general needs on the premise of ensuring other properties , has high strength, and is suitable for special environments that require high wall strength.
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