Fig. 1. Response spectra of 20 ground motions
Fig. 2. Selected site profiles
Fig. 3. Peak horizontal displacement profiles at selected sites
Fig. 4. Cross sections of cut-and-cover box tunnel
Fig. 5. Boundary condition and loads to the box tunnel (after Lee et al., 2016)
Fig. 6. Proposed damage states and indices for single box tunnels (after Lee et al., 2016)
Fig. 7. Comparison of fragility curves of single tunnel in various soil profiles
Fig. 8. Comparison of proposed and published fragility curves for single box tunnel. The curves of ALA (2001), HAZUS (2004), and Syner-G (Pitilakis, 2011) for cut and cover tunnels are compared.
Table 1. Selected ground motion records
Table 2. Summary of site profiles
Table 3. Definition of damage states and corresponding damage indices (DIs)
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