Concrete composition |
|||||||
| 申请号 | EP92110651.4 | 申请日 | 1992-06-24 | 公开(公告)号 | EP0520413A3 | 公开(公告)日 | 1994-04-20 |
| 申请人 | JDC CORPORATION; | 发明人 | Haruyuki, Takeshita, c/o JDC Corporation; Haruya, Sawara, c/o JDC Corporation; Shohei, Hoshino, c/o JDC Corporation; Yoshiyuki, Shoji, c/o JDC Corporation; | ||||
| 摘要 | A concrete composition which has superior fluidity and filling property and from which a concrete structure having high quality and durability and being excellent in resistance to freezing and thawing can be made without compaction by vibration. The composition comprises cement, water, aggregate, at least one admixture selected from the group consisting of a water reducing agent, an air entraining agent, an air entraining water reducing agent and a superplasticizer, and at least one viscosity improver of a cellulose type of viscosity improver having a low foaming property which shows specific viscosity and an acrylic type of viscosity improver having a low viscosity which shows specific viscosity in a specified amount. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈