Optimization of Construction Parameters and Deformation Characteristics of Large-Section Loess Tunnel: A Case Study from Xi’an Metro

<div>Xi’an Metro Line 4 and double-sides heading method. (a) Direction of Xi’an Metro Line 4. (b) Subsection construction process of double-sides heading method. (c) Construction sequence of the longitudinal section of tunnel excavation.</div>

Advances in Civil Engineering

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Figure 1

Figure 1: Optimization of Construction Parameters and Deformation Characteristics of Large-Section Loess Tunnel: A Case Study from Xi’an Metro 