Sensitivity Analysis of Temperature Control Parameters and Study of the Simultaneous Cooling Zone during Dam Construction in High-Altitude Regions

Table 5

Effect of pouring intervals on temperature stress.

Interval (day)	Maximum temperature in the high restraint zone (°C)	Maximum tensile stress in; the high restraint zone			Maximum tensile stress in the low; restraint zone and the free zone
		(Mpa)	Elevation; (m)	Safety coefficient	(Mpa)	Elevation; (m)	Safety coefficient
10	26.3	1.45	3263	1.74	0.79	3283.0	3.00
15	26.1	1.57	3263	1.61	0.77	3343.5	3.08
20	25.9	1.75	3264.5	1.45	0.94	3316.5	2.52
28	25.7	1.78	3264.5	1.42	1.07	3286.5	2.21