Crack Risk Evaluation of Early Age Concrete Based on the Distributed Optical Fiber Temperature Sensing

Table 5

Temperature and thermal stress prediction cases at abnormal weather.

Prediction cases number	Temperature; drop amplitude/°C	Protection material	Thickness/cm	Equivalent thermal exchange coefficient/[kJ/(m^2·d·°C)]
4	16	None	None	1450
5	16	Polyethylene benzene plate	2	624.8
6	16	Polyethylene benzene plate	4	371.2
7	16	Polyethylene benzene plate	6	264.0