Influence of Utility Tunnel on the Lower Part of the Existing Double-Track Shield Tunnel in Loess Soil

Figure 11

Variation of the maximum peak of additional tensile stress with H/D and I/D, respectively. (a) Variation of the maximum peak of additional tensile stress with I/D under different H/D. (b) Variation of the maximum peak of additional tensile stress with H/D under different I/D conditions.

(a)

(b)