| 长螺旋钻孔压灌混凝土后插钢筋笼灌注桩工法在液化地层及厚砂层组合条件下施工可行性探讨 |
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| 引用本文： | 刘学亮,宋锦峰,曹凤学.长螺旋钻孔压灌混凝土后插钢筋笼灌注桩工法在液化地层及厚砂层组合条件下施工可行性探讨[J].探矿工程,2017,44(6):74-77. |
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| 作者姓名： | 刘学亮 宋锦峰 曹凤学 |
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| 作者单位： | 北京建工集团总承包部,北京建工集团总承包部,北京建工集团总承包部 |
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| 摘 要： | 通过哈尔滨市松花江边一个项目和北京市城市副中心一个项目的工程实例对比，对液化地层及厚砂层组合条件下长螺旋钻孔压灌混凝土后插钢筋笼灌注桩工法施工进行探索，总结出该工法在类似地质条件下的使用范围为桩长20 m以内，并介绍了施工关键技术措施，在工程中成功应用。对类似工程实施具有一定的借鉴意义。
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| 关 键 词： | 液化地层 厚砂层 长螺旋钻孔灌注桩 压灌混凝土 后插钢筋笼 |
| 收稿时间： | 2017/4/12 0:00:00 |
| 修稿时间： | 2017/5/5 0:00:00 |
Feasibility Study on Cast-in-place Piles Construction by Auger Bored Press Concrete Post-inserted Steel Reinforcement Cage under the Combined Condition of Liquefied Formation and Thick Sand Layer |
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| LIU Xue-liang,SONG Jin-feng and CAO Feng-xue.Feasibility Study on Cast-in-place Piles Construction by Auger Bored Press Concrete Post-inserted Steel Reinforcement Cage under the Combined Condition of Liquefied Formation and Thick Sand Layer[J].Exploration Engineering(Drilling & Tunneling),2017,44(6):74-77. |
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| Authors: | LIU Xue-liang SONG Jin-feng and CAO Feng-xue |
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| Institution: | Beijing Construction Engineering Group,Beijing Construction Engineering Group,Beijing Construction Engineering Group |
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| Abstract: | Abstract: By the comparison of 2 project cases at Songhuajiang riverside and in the sub-center of Beijing, the exploration is made on cast-in-place piles construction by auger bored press concrete post-inserted steel reinforcement cage under the combined condition of liquefied formation and thick sand layer, the application scope is summarized to be within 20m and the key technical measures of construction under similar geological conditions are introduced, which has been applied in the project with success and can be reference for similar engineering. |
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| Keywords: | liquefied formation thick sand layer auger bored cast-in-place pile press concrete post-insert reinforcement cage |
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