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2009年07 期
| 標(biāo)題 |
| CFG樁樁頭預(yù)留高度的確定及截樁設(shè)備效果分析(49 卷) |
| 英文標(biāo)題 |
| Determination of preserved heigh of CFG piles top and analysis on effect of using pile-cutting equipment |
| 摘要 |
| 對(duì)李窯路基試驗(yàn)段長螺旋鉆孔管內(nèi)泵壓法施工的CFG樁預(yù)留50 cm樁頭，進(jìn)行了不同段落的質(zhì)量調(diào)查并抽芯取樣進(jìn)行了強(qiáng)度試驗(yàn)。結(jié)果表明，僅需去除20～30 cm樁頭即可保證樁頂混合料強(qiáng)度。同時(shí)，為減少鑿樁頭施工對(duì)CFG樁成品質(zhì)量的影響，分析了幾種截樁設(shè)備的施工效果，研制出專用截 |
| 作者 |
| 新聞作者:劉紅峰，雷勇鋒 |
| 關(guān)鍵字 |
