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现代隧道技术 2017, Vol. 54 Issue (3) :37-41    DOI:
研究与探讨 最新目录 | 下期目录 | 过刊浏览 | 高级检索 << Previous Articles | Next Articles >>
远程实时监测系统在隧道明洞结构中的应用
(1中铁西南科学研究院有限公司, 成都 611731; 2 成都铁路局工务处, 成都 610081)
Application of a Remote Real-Time Monitoring System in an Open-Cut Tunnel
(1 China Railway Southwest Research Institute Co. Ltd., Chengdu 611731; 2 Department of Maintenance and Repairing, Chengdu Railway Bureau, Chengdu 610081)
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摘要 针对川黔线某滑坡附近的隧道明洞结构, 采用远程实时监控系统对围岩压力、 钢筋应力、 混凝土应力进行连续监测。实时监测系统具有数据采集、 远程数据传输、 数据曲线实时显示、 监测预警等功能。明洞结构的监测数据显示, 在明洞结构覆土完成后, 结构内力随着施工荷载的减少及土体的固结, 结构受力逐步趋于稳定, 结构两侧边墙钢筋及混凝土表现为外侧受拉内侧受压, 表明结构受到偏压作用, 与实际情况相符。工程案例表明该实时监测系统既能及时掌握结构的受力情况, 又不会影响线路的正常运营, 特别适用于运营期隧道明洞结构的长期监测。
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Abstract: Focused on an open-cut tunnel structure near a landslide site on the Sichuan-Guizhou railway, a re? mote real-time monitoring system was applied to constantly monitor the rock stress, reinforcement stress and concrete stress. The monitoring system has such functions as data collection, remote data transmission, real-time display by data curves, monitoring and early-warning, etc. The monitoring data of the open-cut tunnel indicate: when the filling in of the soil above the open-cut tunnel is completed, the structural internal force tends to be stable along with a decrease of construction loading and a consolidation of the soil mass; additionally, the reinforcements and concrete on both side walls of the open- cut tunnel is presented as being tensioned outside and compressed inside,which means the structure is affected by an unbalanced pressure, and this conforms to the actual situation. Engineering practices show the force applied on an open-cut tunnel structure can be known in a timely manner by the realtime monitoring system, while the normal operation of the existing railway won′t be affected—thus it is suitable for the long-term monitoring of an open-cut tunnel structure during operation.
KeywordsReal-time monitoring,   Data analysis,   Open-cut tunnel,   Structure safety,   Early-warning     
基金资助:

基金项目: 铁道部科技研究开发计划项目 (2012G006-D); 中国中铁科学研究院有限公司青年基金项目 (2015-KJ010-Z010-XN)

作者简介: 作者简介: 高红兵 (1977-), 男, 高级工程师, 从事隧道及地下工程管理及研究方面的工作, E-mail: skygao2001@126.com
引用本文:   
.远程实时监测系统在隧道明洞结构中的应用[J]  现代隧道技术, 2017,V54(3): 37-41
.Application of a Remote Real-Time Monitoring System in an Open-Cut Tunnel[J]  , 2017,V54(3): 37-41
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