| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cement composition capable of generating stiffening of a hardened cement material in a short time. <P>SOLUTION: The cement composition includes a clinker containing 11CaO/7Al<SB POS="POST">2</SB>O<SB POS="POST">3</SB>/CaX<SB POS="POST">2</SB>(wherein X represents a halogen element), calcium hydroxide, and sodium sulfate. Total of the calcium hydroxide and the sodium sulfate contains 2.0 to 3.5 mass% and 11CaO/7Al<SB POS="POST">2</SB>O<SB POS="POST">3</SB>/CaX<SB POS="POST">2</SB>(wherein X represents a halogen element) contains 10 to 30 mass%. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
