[5] [5] HO Y,HUANG A,LEE J.Development of a fiber Bragg grating sensor ground movement monitoring system［J］.Meas Sci Technol, 2006,17(7): 1733-1740.

[6] [6] ZHANG Q,WANG Y,SUN Y,et al.Using custom fiber Bragg grating-based sensors to monitor artificial landslides［J］.Sensors,2016,16(9):1417.

[7] [7] YOSHIDA Y,KASHIWAI Y,MURAKAMI E,et al.Development of the monitoring systemfor slope deformations［J］.Proc SPIE, 2002,4694:296-302.

[8] [8] TIAN C,WANG Z,SUI Q,et al.Design and optimization of FBG implantable flexible morphological sensor to realize the intellisense for displacement［J］.Sensors,2018,18:2342.

[9] [9] SIERRA-PREZA J,TORRES-ARREDONDO M,GEMES M.Damage and nonlinearities detection in wind turbine blades based on strain fieldpattern recognition.FBGs,OBR and Strain gauges comparison［J］.Composite Structures,2016,135(1):156-166.

[10] [10] XU D,YINJ.Analysis of excavation induced stress distributions of GFRP anchors in a soil slope using distributed fiber optic sensors［J］.Engineering Geology,2016,213: 55-63.

[11] [11] MOHAMAD H,SOGA K,BENNETT P J,et al.Monitoring twin tunnel interaction using distributed optical fiber strain measurements［J］.Journal of Geotechnical and Geoenvironmental Engineering.2012,138(8):957-967.

[12] [12] KLAR A,DROMY I,LINKER R.Monitoring tunneling induced ground displacements using distributed fiber optic sensing［J］.Tunneling and Underground Space Tech,2014,40:141-150.

[13] [13] LIU Q,WANG J,XIAO L.Application of OFDR-based sensing technology in geo-mechanical model test ontunnel excavation using cross rock pillar method［J］.Chinese Journal of Rock Mechanics and Engineering, 2017,5(36): 1063-1075.