Table 4 Eight horizontal pseudo-acceleration coefficients applied in the calculation in eight cases
Case | Horizontal pseudo-acceleration coefficient, keq | Remark |
|---|---|---|
1 | 0 | without seismic loading |
2 | 0.1 | Seed (1979) |
3 | 0.15 | great earthquake, Corps of Engineers (1982) |
4 | 0.2 | Seed (1979) |
5 | 0.238 | 1/3 of PHGA, Marcuson and Franklin (1983) |
6 | 0.358 | 1/2 of PHGA, Marcuson and Franklin (1983); Hynes-Griffin and Franklin (1984) |
7 | 0.477 | 2/3 of PHGA |
8 | 0.5 | catastrophic earthquakes, Terzaghi (1950) |