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pro vyhledávání: '"Du Tianling"'
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 780:062020
Based on the tunnel between Junfeng road-Xiliuzhuang of Qingdao metro, the tunnel excavation model is established by FLAC3D software. The established calculation model mainly includes:(1) Free field boundary conditions are adopted around and at the b