| 桩端后压浆技术在京哈高速公路改扩建工程中的应用 |
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| 引用本文： | 朱宏志,薛冠超.桩端后压浆技术在京哈高速公路改扩建工程中的应用[J].辽宁交通科技,2014(1):16-18,22. |
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| 作者姓名： | 朱宏志 薛冠超 |
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| 作者单位： | [1]长春建业集团有限公司,长春130000 [2]机械工业部汽车工业天津规划设计研究院,天津300300 |
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| 摘 要： | 在京哈高速公路长春至四平段改扩建工程建设项目中,为有效控制新旧桥梁之间的沉降差,拼宽桥梁钻孔灌注桩基础采用桩端后压浆技术.阐述了桩端后压浆的施工工艺控制措施、施工控制要点、工艺流程等,总结了桩端后压浆技术的特点.
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| 关 键 词： | 高速公路 改扩建 桩端后压浆技术 新旧桥沉降差 |
The Application of Pile Tip Post Grouting Technique on the Reconstruction and Extension Project of Beijing-Harbin Expressway |
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| Abstract: | During the section from Changchun to Siping in the reconstruction and extension project of Beijing - Harbin Expressway, to effectively control the differential settlement between new bridge and old bridge, the post grouting technique behind pile tip shall be used in cast - in - situ bored pile foundation of widening bridge. The construction technological controlling measures of pile tip post grouting, construction controlling essentials and technological process are explained and the characteristics of pile tip post grouting technique are summarized. |
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| Keywords: | Expressway Reorganization and expansion Pile tip post grouting technique Differential settlement between new bridge and old bridge |
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