Surface Thermal Insulation and Pipe Cooling of Spillways during Concrete Construction Period

Table 4

Highest temperature and maximum stress of the spillway cast according to different programs in summer.

Program	Inside the concrete				Surface of the concrete
	Highest temperature [°C]	Maximum along-the-flow stress [MPa]	Age [day]	Safety factor	Maximum along-the-flow stress [MPa]	Age [day]	Safety factor
Program 1	41.75	3.89	207	1.15	3.37	201	1.33
Program 2	37.19	3.25	213	1.37	3.18	205	1.40
Program 3	37.60	2.87	225	1.56	2.73	219	1.64
Program 4	35.42	2.50	225	1.79	1.77	215	2.53