Concrete internal curing micro-ceramsite and preparation method thereof

The invention discloses a concrete internal curing micro-ceramsite and a preparation method thereof. The internal curing micro-ceramsite comprises the following components in parts by weight: 20-40 parts of glass powder, 40-70 parts of sinking beads, 10-20 parts of silica fume, 1-2 parts of a foamin...

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Bibliographische Detailangaben
Hauptverfasser: TAN YANBIN, ZHONG XINHUA, QU YANAN, QIU ZHIHUI, LI HUAJIAN, SU WANYU, XIE YONGJIANG, LI LIANJI, LI XIANGTAO, WANG JIAHE, KONG QINGXIN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a concrete internal curing micro-ceramsite and a preparation method thereof. The internal curing micro-ceramsite comprises the following components in parts by weight: 20-40 parts of glass powder, 40-70 parts of sinking beads, 10-20 parts of silica fume, 1-2 parts of a foaming agent and 1-2 parts of a reinforcing agent. The invention also discloses a preparation method of the concrete internal curing micro-ceramsite, which comprises the following steps: stirring the raw materials of glass powder, sinking beads and silica fume to prepare slurry, adding a foaming agent and a reinforcing agent, carrying out shear foaming, preparing a micro-ceramsite blank by a spray drying method, and sintering by a stacking sintering method to obtain the concrete internal curing micro-ceramsite. The internal curing micro-ceramsite is small in particle size, provided with holes in the surface and controllable in hole structure. The micro-ceramsite prepared by the method has the advantages of small particl