Method for producing cement-based composite material for injection reinforcement from waste incineration fly ash
A technology for waste incineration fly ash and composite materials, which is applied in the field of cement-based composite materials for injection reinforcement using waste incineration fly ash, can solve problems such as the decrease in strength of magnesium phosphate cement, and achieve the effects of efficient disposal and temperature reduction.
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[0039] The main raw materials used in the test are magnesite (MgCO 3 ) It is calcined and ground in a high-temperature furnace at 1100℃. The relevant chemical composition and specific surface area are shown in Table 1. The chemistry and specific surface area of waste incineration fly ash, metakaolin are shown in Table 1. Potassium dihydrogen phosphate, ammonium dihydrogen phosphate, and boric acid are chemical reagents.
[0040] Table 1 Chemical composition of raw materials / %
[0041]
[0042] 1. The setting time is carried out according to GB / T 1346-2011 "Cement Standard Consistency Water Consumption, Setting Time, Stability Test Method". Since the development of high-performance cement-based composites has the characteristics of fast setting and early strength, the final setting time is recorded as the test result ; The compressive strength test process of cement-based materials is carried out in accordance with GB / T 17671-1999 "Cement Mortar Strength Test Method", the sample ...
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