光纤光栅式设备在滇中引水工程安全监测中的应用  

Application of fiber grating equipment in safety monitoring of Central Yunnan Water Diversion Project

作　　者：王和芬 马敏艳 牟晋民 WANG Hefen;MA Minyan;MU Jinmin(Yunnan Institute of Water&Hydropower Engineering Investigation,Design and Research,Kunming 650021,China;Yunnan Water Conservancy and Hydropower Construction Engineering Technology Development Co.,Ltd.,Kunming 650021,China;China Geokon Instrument Co.,Ltd.,Beijing 100080,China)

机构地区：[1]云南省水利水电勘测设计研究院,云南昆明650021 [2]云南水利水电建设工程技术开发有限公司,云南昆明650021 [3]基康仪器股份有限公司,北京100080

出　　处：《水利建设与管理》2022年第1期6-11,共6页Water Conservancy Construction and Management

摘　　要：海东隧洞为滇中引水工程中具有代表性的隧洞,隧洞监测设备种类齐全、数量繁多、线缆牵引传输超长。为了达到安全监测的目的,设备选择采用振弦式与光纤光栅组合的方式,不仅确保了施工质量、安全及进度,而且提高了监测成果的准确性和可靠性,同时有效地减少了传输线缆工程量,降低了经济指标。目前,国内尚无专门针对长距离输水工程安全监测方面的设计规范,海东隧洞安全监测选择合理的组网布置方式可为同类工程监测设计提供参考和借鉴。Haidong Tunnel is a representative tunnel in Central Yunnan Water Diversion Project.The monitoring equipment of the tunnel is characterized by complete categories,large number and super-long cable traction transmission.The combination of vibrating wire equipment and fiber grating equipment is selected in order to meet the purpose of safety monitoring,thereby ensuring the construction quality,safety and progress on the one hand,and improving the accuracy and reliability of monitoring results on the other hand.Meanwhile,transmission cable engineering quantities are effectively reduced,and the economic index is reduced.There is no special design specification for safety monitoring of long-distance water conveyance projects in China nowadays,the selection of reasonable networking layout mode in safety monitoring equipment of Haidong Tunnel can provide reference for monitoring design of similar projects.

关 键 词：线缆牵引 光纤光栅 组网 信号衰减 成活率 

分 类 号：TV672.1[水利工程—水利水电工程]