| 曹妃甸某大型工程钻孔灌注桩试桩施工及检测结果分析 |
| 投稿时间：2010-12-24 修订日期：2010-12-24 点此下载全文 |
| 引用本文：王文鹏,张小东.曹妃甸某大型工程钻孔灌注桩试桩施工及检测结果分析[J].钻探工程,2011,38(7):57-62.WANG Wen-peng,ZHANG Xiao-dong. Pile Test Construction for Bored-grouting Pile of a Large Engineering in Caofeidian and the Analysis on Testing Result[J]. Drilling Engineering, 2011,38(7):57-62. |
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| 中文摘要:曹妃甸某大型工程在工程桩施工前进行试桩，通过对后压浆钻孔灌注桩、三岔双向挤扩桩、支盘灌注桩3种试桩的竖向承载力试验、桩身内力试验、低应变检测、超声波检测及水平承载力试验等项目进行分析，检验成桩的可能性与可靠性，为工程桩桩型的选择及施工提供有效依据。 |
| 中文关键词:钻孔灌注桩 后压浆 三岔双向挤扩 支盘 竖向承载力 水平承载力 |
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| Pile Test Construction for Bored-grouting Pile of a Large Engineering in Caofeidian and the Analysis on Testing Result |
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| Abstract:The paper introduced the pile test in advance of a large engineering in Caofeidian. By the analysis on vertical bearing capacity test, internal force of pile test, low strain dynamic testing, ultrasonic testing and horizontal bearing capacity test of post grouting bored-grouting pile, 3-branch bidirectional squeezed pile and squeezed branch grouting pile, the possibility and reliability of pile completion was tested, which could provide the effective proof for the pile type selection and the construction of engineering pile. |
| keywords:bored-grouting pile post grouting 3-branch bidirectional squeezing squeezed branch vertical bearing capacity horizontal bearing capacity |
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