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隧道建设(中英文) ›› 2012, Vol. 32 ›› Issue (4): 561-565.DOI: 10.3973/j.issn.1672-741X.2012.04.023

• 施工技术 • 上一篇    下一篇

无线自组网式钢支撑应力监测系统在地铁车站深基坑施工中的应用

黄卫华   

  1. (中铁隧道集团四处有限公司, 南宁 530003)
  • 收稿日期:2012-03-21 修回日期:2012-05-20 出版日期:2012-08-20 发布日期:2012-10-16
  • 作者简介:黄卫华(1978—),男,广西贺州人, 2000年毕业于上海同济大学起重运输与工程机械专业,本科,工程师,现从事设备管理与技术工作。

Application of Wireless Adhoc Network in Monitoring of Steel Support Stress: Case Study on Construction of Deep Foundation Pit of Guangxi University Metro Station

HUANG Weihua   

  1. (The 4th Engineering Co., Ltd. of China Railway Tunnel Group, Nanning 530003, China)
  • Received:2012-03-21 Revised:2012-05-20 Online:2012-08-20 Published:2012-10-16

摘要: 为保证地铁车站深基坑施工开挖过程中钢支撑施工安全和工程质量,根据现场深基坑的实际情况,采用了无线自组网式钢支撑应力监测系统。首先,介绍了自组网式系统的组成和工作原理;其次,对钢支撑轴力重点部位合理布设WSN(无线传感器网络)协调器、WSN路由器、WSN采集器以及应力传感器进行实时监测;最后,介绍了无线自组网式钢支撑应力监测系统与普通系统的优缺点,发现该系统能够及时反馈信息,并且在一定程度上降低了人员的劳动强度,可以有效避免支撑轴力超过设计强度导致支承破坏而引起的整个支护体系失稳。

关键词: 地铁车站, 深基坑, 钢支撑应力, 无线自组网式, 监测系统

Abstract: Wireless adhoc network is used in the monitoring of the steel support stress so as to guarantee the construction safety and quality of steel support of deep foundation pits of Metro stations. The components and working principles of adhoc network system are presented. The key points of axial force of steel support are monitored by means of WSN coordinator, WSN router, WSN data acquiring device and stress sensor. The advantages and disadvantages of wireless adhoc network in monitoring of steel support stress are presented. Due to the application of the wireless adhoc network, timely information feedback can be achieved, the labors’ working intensity can be reduced and the loss of the stability of the support system induced by overrunning of the axial force of the support can be avoided.

Key words: Metro station, deep foundation pit, steel support stress, wireless adhoc network, monitoring system