Research Article

The Deformation Characteristics of Weak Foundation with High Back Siltation in the Immersed Tunnel

Table 2

Test scheme.

Test conditionTest index

Standard working condition① Foundation stress; ② foundation settlement; ③ foundation rebound deformation; ④ characteristics of pressure change at the bottom of the cushion; ⑤ immersed tunnel strain
Special working condition① Foundation stress; ② foundation settlement; ③ foundation rebound deformation; ④ immersed tunnel strain; ⑤ effect of cushion