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2009年02 期
| 標(biāo)題 |
| 配制高性能粉煤灰隧道混凝土的正交試驗(yàn)研究(49 卷) |
| 英文標(biāo)題 |
| 摘要 |
| 采用正交試驗(yàn)方法，研究了水膠比、膠凝材料用量、粉煤灰摻量、超量取代系數(shù)4個(gè)因素對(duì) 隧道二次襯砌粉煤灰混凝土抗壓強(qiáng)度和抗?jié)B性的影響規(guī)律。研究結(jié)果表明，水膠比和 粉煤灰摻量對(duì)混凝土的7 d抗壓強(qiáng)度影響比較顯著，水膠比和超代系數(shù)對(duì)混凝土的28 d抗壓 強(qiáng)度影響比較顯著 |
| 作者 |
| 新聞作者:王永海，柯國炬，李北星，周明凱 |
| 關(guān)鍵字 |
