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对于连拱隧道而言 ,其整体的稳定性、衬砌的稳定性和强度都比单拱隧道要差。通过对筲箕湾连拱隧道进行二维线弹性平面应变计算 ,分析其结构的稳定性。对连拱隧道的设计和开挖施工工艺优化提出几点认识与看法。
For the multi-arch tunnel, its overall stability, lining stability and strength than single-arch tunnel worse. Through the two-dimensional elastic plane strain calculation of Shau Kei Wan arch tunnel, the structural stability is analyzed. How to design and excavate the construction technology of multi-arch tunnel?