Overall Stability Analysis of Xiluodu High Arch Dam Based on Fine Three-Dimension Numerical Modeling

Table 8

Yield and cracking state of each elevation of the dam under overload conditions.

Position		Load times
		1P0	2P0	3P0	4P0	5P0
EL 610 m	Upstream dam surface	Compressive stress, no yield zone	No yield zone		Yield	Transfixion
	Downstream dam surface	Compressive stress, no yield zone	No yield zone		Yield	Transfixion
EL 560 m	Upstream dam surface	Compressive stress, no yield zone			Yield	Yield
	Downstream dam surface	Compressive stress, no yield zone	No yield zone	Local yield	Cracking	Split
EL 52 0m	Upstream dam surface	Compressive stress, no yield zone	No yield zone
	Downstream dam surface	Compressive stress, no yield zone	No yield zone	Surface yield	Cracking	Split
EL 460 m	Upstream dam surface	Compressive stress, no yield zone	No yield zone
	Downstream dam surface	Compressive stress, no yield zone	Yield	Yield	Yield	Yield
EL 420 m	Upstream dam surface	Compressive stress, no yield zone	No yield zone
	Downstream dam surface	Compressive stress, no yield zone	No yield zone		Yield	Yield
EL 380 m	Upstream dam surface	Compressive stress, no yield zone	No yield zone		Yield	Yield
	Downstream dam surface	Compressive stress, no yield zone	Yield	Yield	Yield	Yield
Bottom of arch crown beam	Upstream dam heel	Compressive stress, no yield zone	No yield zone	Split
	Downstream dam toe	Compressive stress, no yield zone	No yield zone

Note. “” refers to the thickness of the dam body.