Research Article

Seismic Fortification Analysis of the Guoduo Gravity Dam in Tibet, China

Table 1

Physical-mechanical parameters of the concrete dam, the rock mass, and faults.

Material Density (t/m3)Permit load (MPa)Elastic modulus (GPa)Poisson’s ratio Effective shear
strength
(MPa)

Dam (concrete)2.402.0220.1670.901.2
III2A2.613.48.80.320.700.80
III1A2.705.017.00.300.901.00
IV2B2.632.06.00.300.500.70
IV1B2.683.59.00.280.800.90
Weak rock layer of right bank2.41.01.50.300.050.40
Fault f22.41.01.50.300.050.35
Fault f32.41.01.50.300.050.35
Fault f42.41.01.50.300.050.35
Fault f52.41.01.50.300.050.35
Fault f72.41.01.50.300.050.35