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2010年11 期
| 标题 |
| CRTSⅠ型轨道板张拉与水养顺序问题的探讨(50 卷) |
| 英文标题 |
| Discussion on sequence of tensioning and curing-in-water for CRTS I-type track slab |
| 摘要 |
| 分析了CRTS Ⅰ型轨道板生产中张拉与水养顺序对混凝土质量的影响，指出采用先张拉、后水养生产顺序需要脱模强度达到48 MPa，张拉、封锚时间较长容易导致混凝土收缩开裂；通过试验证明，先张拉、后水养容易使预应力钢棒与护套产生相对滑动，水更容易渗入，引起钢棒锈蚀。采用先 |
| 作者 |
| 新闻作者:赵国堂，李昌宁，钟海江 |
| 关键字 |
