| abstract |
The present invention provides a residual mold that is excellent in strength and durability, and further, a residual mold that can avoid an increase in total CO 2 emission. A precast cement panel for a remaining mold is made of a hardened cement body obtained by curing and carbonation curing a cement composition containing cement material, aggregate, glass fiber, and sepiolite, The cement material comprises Portland cement and γ-C2S, the proportion of γ-C2S in the cement material is 5% by mass or more and 50% by mass or less, and the content of the sepiolite in the hardened cement body Is a precast cement panel having a content of 0.5% by mass or more and 2% by mass or less. [Selection figure] None |