Abstract: Fire-new FBG temperature sensor technology is applied in sluice engineering for real-time monitoring of sluice pier's temperature.The sluice engineering's temperature and stress field are feedbacked and analyzed.Quasi-distributed system can be composed by splicing several FBG temperature sensors.It has advantages of distributed temperature system with high precision.Though the sluice pier is a thin-walled concrete structure,the air temperature in sluice pier placement highly influences the sluice pier's tem...