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2010年10 期
| 標(biāo)題 |
| 線橋過渡段用水泥碎石的收縮特性及其影響分析(50 卷) |
| 英文標(biāo)題 |
| Shrinkage performance and its influence analysis of cement-crushed stone used in transition zone of railway |
| 摘要 |
| 鐵路過渡段采用摻水泥的級(jí)配碎石進(jìn)行填筑，以形成路基與橫向構(gòu)筑物之間剛度的均勻變化。由于水泥碎石具有自身干燥收縮和溫度收縮的特點(diǎn)，往往導(dǎo)致水泥碎石層產(chǎn)生收縮裂縫，影響其正常使用功能。特別是公路上水泥碎石作為基層具有較長的使用經(jīng)驗(yàn)，其收縮裂縫帶來的路面反射裂 |
| 作者 |
| 新聞作者:魏 強(qiáng)，趙國堂，劉俊飛 |
| 關(guān)鍵字 |
