| 长螺旋钻机在粘性坚硬地层中的应用探讨 |
| 投稿时间：2015-12-04 修订日期：2016-07-05 点此下载全文 |
| 引用本文：阮小峰,敢峰,孙俊志.长螺旋钻机在粘性坚硬地层中的应用探讨[J].钻探工程,2016,43(8):72-76.RUAN Xiao-feng,GAN Feng,sun jun zhi. Application of Long Spiral Drill in Hard and Sticky Formations[J]. Drilling Engineering, 2016,43(8):72-76. |
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| 中文摘要:以许昌市三国大剧院桩基工程为例，从普通长螺旋钻机、液压动力头钻机、利用变频技术的高自重大扭矩动力头钻机在坚硬地层钻进中遇到的问题和应对措施等几方面，论述了各款型长螺旋钻机对地层的适应性，为以后类似工程施工选择施工机械提供参考。 |
| 中文关键词:灌注桩 坚硬地层 长螺旋桩钻机 液压动力头 变频 高自重大扭矩动力头 |
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| Application of Long Spiral Drill in Hard and Sticky Formations |
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| Abstract:Taking the example of pile foundation engineering of Sanguo Grand Theater of Xuchang City, the difficulties encountered in hard formations by ordinary long spiral drilling machine, hydraulic driving head drill and high weight and large torque dynamic head drill with frequency conversion technology are presented with the related countermeasures. The adaptability to formations are discussed for various models of long spiral pile hole drilling machine to provide reference for construction machinery selection in similar engineering. |
| keywords:bored grouting pile hard formation long spiral pile driver hydraulic dynamic head frequency high weight and large torque dynamic head |
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