Method for directly replacing fly ash in concrete with power plant ash residues
A power plant ash and concrete technology, applied in the field of building materials, can solve the problems of complex treatment process and high cost, and achieve the effect of reducing costs and simplifying the ash and slag treatment process.
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Embodiment 1
[0009] Embodiment 1: The method of directly using power plant ash to replace fly ash in concrete is to first determine the basic mix ratio of a common C30 concrete, and then use the control variable method to use power plant ash , Through grinding and screening methods, ash with appropriate particle size can be obtained to directly replace fly ash in concrete, and then concrete can be obtained by conventional methods. The substitution amount of power plant ash slag to replace fly ash is 20%. For the grinding and screening of power plant ash, the power plant ash is first ground with a common grinder, and then sieved with a common sieve to obtain power plant ash with a particle size of 0.1 mm, which is used to replace fly ash in concrete.
Embodiment 2
[0010] Embodiment 2: The method of directly using power plant ash to replace fly ash in concrete is to first determine the basic mix ratio of a common C30 concrete, and then use the control variable method to use power plant ash , Through grinding and screening methods, ash with appropriate particle size can be obtained to directly replace fly ash in concrete, and then concrete can be obtained by conventional methods. The replacement amount of power plant ash slag to fly ash is 60%. For the grinding and screening of power plant ash, the power plant ash is firstly ground with an ordinary grinder, and then sieved with an ordinary screen to obtain power plant ash with a particle size of 0.5mm, which is used to replace fly ash in concrete.
Embodiment 3
[0011] Example 3: The method of directly using power plant ash to replace fly ash in concrete is to first determine the basic mix ratio of a common C30 concrete, and then use the control variable method to use power plant ash , Through grinding and screening methods, ash with appropriate particle size can be obtained to directly replace fly ash in concrete, and then concrete can be obtained by conventional methods. The substitution amount of power plant ash slag for fly ash is 100%. For the grinding and screening of power plant ash, the power plant ash is first ground with a common grinder, and then sieved with a common sieve to obtain power plant ash with a particle size of 0.8mm, which is used to replace fly ash in concrete.
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Abstract
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