静力水准在超深基坑中间柱沉降实时远程监测中的应用

马召林，李元海 ，李竹

doi:10.3973/j.issn.1672-741X.2012.05.020

隧道建设 >

2012 , Vol. 32 >Issue 5: 719 - 724

DOI: https://doi.org/10.3973/j.issn.1672-741X.2012.05.020

施工技术

静力水准在超深基坑中间柱沉降实时远程监测中的应用

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(1. 中铁隧道集团有限公司技术中心，河南洛阳 471009； 2. 中国矿业大学深部岩土力学与地下工程国家重点实验室，江苏徐州 221008； 3.天津城投建设有限公司，天津 300381)

马召林（1980—），男，山东滕州人，2003年毕业于石家庄铁道学院无机非金属材料专业，本科，工程师，主要从事隧道及地下工程技术管理工作。

收稿日期: 2012-05-11

修回日期: 2012-05-14

网络出版日期: 2012-10-30

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Application of Hydrostatic Leveling Technology in Realtime Remote Monitoring

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(1. Technology Center of China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China;  2. State Key Laboratory for Geomechanics & Deep Underground Engineering,  China University of Mining and Technology, Xuzhou 221008, Jiangsu, China;  3. Tianjin Urban Investment and Construction Co., Ltd., Tianjin 300381, China)

Received date: 2012-05-11

Revised date: 2012-05-14

Online published: 2012-10-30

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摘要

中间柱的稳定性是超深地铁车站盖挖逆作法成败的关键之一，中间柱的沉降监控对结构的安全施工至关重要。以天津站交通枢纽超深基坑工程信息化施工为背景，首次采用静力水准量测技术对超深基坑盖挖法中间柱的沉降与隆起进行了远程自动化监测，并通过对监测数据与实际工程的安全状况进行分析，提出了对中间柱沉隆控制基准值应根据开挖深度及分层开挖阶段进行适当增大的建议，解决了中间柱沉隆的连续远程监测技术难题。

关键词： 交通枢纽; 超深基坑; 中间柱; 静力水准; 远程实时监测

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马召林，李元海，李竹 . 静力水准在超深基坑中间柱沉降实时远程监测中的应用[J]. 隧道建设, 2012 , 32(5) : 719 -724 . DOI: 10.3973/j.issn.1672-741X.2012.05.020

Abstract

The stability of the intermediate column is the key of cutandcover construction of superdeep Metro station. The monitoring of the settlement of the intermediate column plays a very important role in the safe construction of the Metro station. Remote and automatic monitoring is made, by means of hydrostatic leveling technology, on the settlement of the intermediate column of the superdeep foundation pit constructed by cutandcover method. The monitoring data and the construction safety are analyzed. Suggestion is made on the control standard of the intermediate column. Continuous monitoring of the intermediate column is realized.

Key words： transportation hub; superdeep foundation pit; intermediate column; hydrostatic leveling; remote and realtime monitoring

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