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2011年04 期
| 標題 |
| CRTS Ⅱ型軌道板混凝土技術(shù)與養(yǎng)護制度(51 卷) |
| 英文標題 |
| Concrete pouring technology and curing system of CRTS II-type track slab |
| 摘要 |
| CRTS Ⅱ型軌道板生產(chǎn)時為提高生產(chǎn)效率，要求16 h左右混凝土強度達到48 MPa以上。本文分析了混凝土材料中超細水泥和特殊摻合料的影響，以滿足早期強度和耐久性要求為目標，提出了以采用非緩凝型聚羧酸減水劑為提高早期強度的主要手段，由硅酸鹽水泥、普通的粉煤灰和礦粉作為摻 |
| 作者 |
| 新聞作者:馬春生，谷永磊 |
| 關(guān)鍵字 |
