摘要
研究了基于光纤光栅位移传感器的地铁隧道沉降安全预测方法,利用光纤光栅传感系统对地铁隧道沉降数据进行在线监测,并结合BP神经网络算法对数据进行分析,能够准确而有效地预测地铁隧道的沉降发展趋势。在地铁的长期营运过程中,系统可为地铁隧道的运行环境状态提供及时的预警信息和安全建议。
The fiber grating displacement sensor technology applied in the subway tunnel settlement safety prediction was introduced in this article.We could use the FBG sensingonline-monitoring system for the subway-tunnel settlement data.The developing trend could be accurately and effectively predicted by utilizing the BP neural network algorithm.This system could provide timely forecast information and safety suggestion for the operating environment state of subway tunnel.
出处
《交通科技》
2015年第4期98-101,共4页
Transportation Science & Technology
关键词
光纤传感
沉降监测
神经网络
optical fiber sensing
settlement monitoring
neural network
