Carbon curing cementing material, preparation method and application

The invention discloses a carbon-cured cementing material, a preparation method and application, and relates to the technical field of building materials. The method comprises the following steps: 1) uniformly mixing 45-60wt% of waste concrete micro powder and 55-40wt% of carbide slag, grinding the...

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Bibliographische Detailangaben
Hauptverfasser: RONG PENGJIE, ZHANG CHENG, SHI XINCHAO, GUAN XUEMAO, LIU SONGHUI, DENG PIN, FANG JINGRUI, CHEN GE
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a carbon-cured cementing material, a preparation method and application, and relates to the technical field of building materials. The method comprises the following steps: 1) uniformly mixing 45-60wt% of waste concrete micro powder and 55-40wt% of carbide slag, grinding the waste concrete micro powder and the carbide slag into raw material powder, and then tabletting to obtain raw material sheets; (2) placing the raw material sheets prepared in the step (1) at the temperature of 1150-1250 DEG C, and calcining for 1-2 hours to obtain a blocky cementing material; and (3) grinding the blocky cementing material prepared in the step (2) until the specific surface area is 350-450m < 2 >/kg to obtain the carbon-cured cementing material. The carbon-cured cementing material provided by the invention cannot be hydrated and hardened, but can obtain excellent mechanical properties through short-term carbonization maintenance. The early strength is high, the later strength is continuously increase