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2011年04 期
| 标题 |
| CRTS Ⅱ型轨道板混凝土技术与养护制度(51 卷) |
| 英文标题 |
| Concrete pouring technology and curing system of CRTS II-type track slab |
| 摘要 |
| CRTS Ⅱ型轨道板生产时为提高生产效率，要求16 h左右混凝土强度达到48 MPa以上。本文分析了混凝土材料中超细水泥和特殊掺合料的影响，以满足早期强度和耐久性要求为目标，提出了以采用非缓凝型聚羧酸减水剂为提高早期强度的主要手段，由硅酸盐水泥、普通的粉煤灰和矿粉作为掺 |
| 作者 |
| 新闻作者:马春生，谷永磊 |
| 关键字 |
