A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CEMENT SHEET EXCELLENT IN DURABILITY AND CEMENT COMPOSITION THEREFOR
PROBLEM TO BE SOLVED: To provide a cement sheet manufactured by autoclave curing and having enhanced strength even after curing, and a cement composition.SOLUTION: There are provided a cement composition and a cement sheet thereof containing a hydraulic material consisting of cement and a siliceous powder, an aggregate, a fiber and a mixing agent and for manufacturing a cement sheet by extrusion molding to a sheet shape and autoclave curing, where the hydraulic material consists of fine particle powder having Blaine specific surface area of 2000 cm/g or more and coarse particle powder having 1500 cm/g or more and less than 2000 cm/g and total amount of the cement coarse particle and siliceous coarse particle powder is 1.0 mass% to 15.0 mass%.SELECTED DRAWING: None
【課題】オートクレーブ養生して製造されるセメント板について、養生後も強度が増進するようにしたセメント板とそのセメント組成物を提供する。【解決手段】セメントと珪酸質粉末からなる水硬性材料と、骨材、繊維および混和剤を含み、これらを板状に押出成形し、オートクレーブ養生してセメント板を製造するセメント組成物において、上記水硬性材料がブレーン比表面積２０００cm２/ｇ以上の微粒粉と、１５００cm２/g以上〜２０００cm２/g未満の粗粒粉とからなり、セメント粗粒粉と珪酸質粗粒粉の合計量が１.０質量％〜１５.０質量％であることを特徴とするセメント組成物、およびそのセメント板。【選択図】なし
CEMENT SHEET EXCELLENT IN DURABILITY AND CEMENT COMPOSITION THEREFOR
PROBLEM TO BE SOLVED: To provide a cement sheet manufactured by autoclave curing and having enhanced strength even after curing, and a cement composition.SOLUTION: There are provided a cement composition and a cement sheet thereof containing a hydraulic material consisting of cement and a siliceous powder, an aggregate, a fiber and a mixing agent and for manufacturing a cement sheet by extrusion molding to a sheet shape and autoclave curing, where the hydraulic material consists of fine particle powder having Blaine specific surface area of 2000 cm/g or more and coarse particle powder having 1500 cm/g or more and less than 2000 cm/g and total amount of the cement coarse particle and siliceous coarse particle powder is 1.0 mass% to 15.0 mass%.SELECTED DRAWING: None
【課題】オートクレーブ養生して製造されるセメント板について、養生後も強度が増進するようにしたセメント板とそのセメント組成物を提供する。【解決手段】セメントと珪酸質粉末からなる水硬性材料と、骨材、繊維および混和剤を含み、これらを板状に押出成形し、オートクレーブ養生してセメント板を製造するセメント組成物において、上記水硬性材料がブレーン比表面積２０００cm２/ｇ以上の微粒粉と、１５００cm２/g以上〜２０００cm２/g未満の粗粒粉とからなり、セメント粗粒粉と珪酸質粗粒粉の合計量が１.０質量％〜１５.０質量％であることを特徴とするセメント組成物、およびそのセメント板。【選択図】なし
CEMENT SHEET EXCELLENT IN DURABILITY AND CEMENT COMPOSITION THEREFOR
耐久性に優れたセメント板とそのセメント組成物
KAMIYA KIYOSHI (author) / FUKUSHIMA YUICHI (author) / KAWABATA HIDEKAZU (author) / KIDO RYUICHI (author)
2016-09-05
Patent
Electronic Resource
Japanese
CEMENT COMPOSITION AND CEMENT COMPOSITION PRODUCTION METHOD, AND DURABILITY-ENHANCING ADMIXTURE
| European Patent Office | 2021
CEMENT ADMIXTURE, CEMENT COMPOSITION AND PRODUCTION METHOD THEREFOR
| European Patent Office | 2019
Durability of Cement Sheet Reinforced with PVA Fiber
| British Library Conference Proceedings | 1993