越既有结构车站围护桩成桩综合施工技术

doi:10.3973/j.issn.1672-741X.2013.02.011

隧道建设（中英文） ›› 2013, Vol. 33 ›› Issue (2): 151-155.DOI: 10.3973/j.issn.1672-741X.2013.02.011

越既有结构车站围护桩成桩综合施工技术

邓珣

（中铁隧道集团三处有限公司，广东深圳 518052）

收稿日期:2012-08-29 修回日期:2012-11-28 出版日期:2013-02-20 发布日期:2013-03-05
作者简介:邓珣（1976—），男，湖南衡阳人，1999年毕业于郑州工业大学土木工程工民建专业，本科，高级工程师，主要从事施工现场技术管理工作。

Comprehensive Construction Technologies for Retaining Piles  Penetrating through Existing Structures

DENG Xun

(The 3rd Engineering Co., Ltd. of China Railway Tunnel Group, Shenzhen 518052, Guangdong, China)

Received:2012-08-29 Revised:2012-11-28 Online:2013-02-20 Published:2013-03-05

摘要/Abstract

摘要：

以哈尔滨地铁博物馆车站穿越既有地下商场及人防隧道结构为例，通过在施工过程中采用配截齿合金钻头的旋挖钻机穿越既有结构，同时对既有结构之间的空洞段采用钢护筒护壁的方法及钢筋混凝土密封措施，有效解决了穿越既有结构围护桩无法成桩的难题，达到了穿越既有结构围护桩快速简便成桩施工的目的。

关键词: 哈尔滨地铁, 穿越既有结构, 围护桩施挖钻机, 钢护筒

Abstract:

The retaining piles of Museum station of Harbin Metro penetrate through underground shopping street and civil air defense tunnels. Rotary drilling machines equipped with alloy drill bits with teeth are used to penetrate through the floor slabs of existing structures. For the cavities between the existing structures, steel cases are used to protect the borehole walls and reinforced concrete is used to seal the cavities. In the end, the target of rapid and easy construction of retaining piles penetrating through existing structures is reached. 

Key words: Harbin Metro, penetrating through existing structure, retaining pile, rotary drilling machine, steel sleeve

邓珣. 越既有结构车站围护桩成桩综合施工技术[J]. 隧道建设, 2013, 33(2): 151-155.

DENG Xun. Comprehensive Construction Technologies for Retaining Piles  Penetrating through Existing Structures[J]. Tunnel Construction, 2013, 33(2): 151-155.

越既有结构车站围护桩成桩综合施工技术

Comprehensive Construction Technologies for Retaining Piles  Penetrating through Existing Structures

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