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

<div>The vertical displacement of each monitoring point of each case when <i>H</i>/<i>D</i> is 5. (a) Working condition 21 (<i>I</i>/<i>D</i> = 2.5) vertical displacement of monitoring point. (b) Working condition 26 (<i>I</i>/<i>D</i> = 5) vertical displacement of monitoring point.</div>

Advances in Materials Science and Engineering

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Figure 8

Figure 8: Influence of Utility Tunnel on the Lower Part of the Existing Double-Track Shield Tunnel in Loess Soil 