Investigation of mechanical performance of prestressed steel arch in tunnel

In the traditional tunneling method, the steel arch are often adopted to support surrounding rock to ensure the structural stability. If the steel arch is prestressed in time, tunnel support can effectively prevent the development of rock crack, thereby increasing the overall strength of tunnel supp...

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Veröffentlicht in:	Frontiers of Structural and Civil Engineering 2017-09, Vol.11 (3), p.360-367
Hauptverfasser:	WANG, Yaqiong, XIN, Yunxiao, XIE, Yongli, LI, Jie, WANG, Zhifeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Arches Cities Civil Engineering Computer simulation Construction methods Countries Deformation Engineering Mathematical models Mechanical properties numerical analysis prestressing force Prestressing steels Regions Research Article Rocks Steel steel arch Steel structures Strain distribution Stress concentration Stress distribution Structural stability Structural steels Submarines Tunnel construction tunnel support 力学性能围岩变形应力分布应变分布规律数值模拟方法钢拱隧道支护预应力钢
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