Smart monitoring device and method of shrinkage coefficient and temperature shrinkage coefficient of cement stabilized macadam

The invention discloses a smart monitoring device of the shrinkage coefficient and temperature shrinkage coefficient of cement stabilized macadam. The smart monitoring device comprises a fiber grating sensor, fiber grating demodulation equipment, a monitoring terminal, a concrete humidity meter and a support, wherein a cement stabilized macadam test piece is fixed on the support, a sensing fiber with fiber grating is arranged on the support, one end of the sensing fiber is connected with the fiber grating demodulation equipment, the fiber grating demodulation equipment can inject continuous light into the sensing fiber and receive reflected light, the fiber grating demodulation equipment is connected with the monitoring terminal, and the monitoring terminal can control the fiber grating demodulation equipment to work and receive, process and display information transmitted by the fiber grating demodulation equipment. By the smart monitoring device, the relation between the shrinkage quantity of the cement stabilized macadam and the temperature and humidity can be monitored conveniently and accurately.