Large-scale geo-mechanical model tests for stability assessment of super-large cross-section tunnel

•Large-scale model tests of a double-hole tunnel with lining were conducted.•Failure behaviors under different burial depths were elucidated.•Failure areas of super-large cross-section tunnels were identified.•Safety factors were proposed for super-large cross-section tunnel. For ensuring safety dur...

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Veröffentlicht in:	Tunnelling and underground space technology 2021-03, Vol.109, p.103756, Article 103756
Hauptverfasser:	Li, Liping, Shang, Chengshun, Chu, Kaiwei, Zhou, Zongqing, Song, Shuguang, Liu, Zhenhua, Chen, Yanhao
Format:	Artikel
Sprache:	eng
Schlagworte:	Construction Cross-sections High burial depth Large cross-section tunnel Mathematical analysis Mathematical models Model testing Model tests Numerical simulation Occupational safety Overloading Rock masses Rocks Safety factors Safety management Stability analysis Tunnel stability Tunnels Underground construction
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