The theory and construction method to deal with and protect the tunnel collapse in arch are studied.
进一步研究了处理和防治塌拱的施工措施和原理。
During construction of the middle drift of a multi-arch tunnel, collapse accident occurred.
某连拱隧道在中导洞施工时出现坍方。
The collapse model of the steel tubular arch is of the second stability problem, in which the material nonlinear influence is obvious.
结构破坏属于以材料非线性影响为主的二类稳定问题。
No infection, breakage, loosening of internal fixator, nonunion or longitudinal arch collapse was found.
无感染、断钉、内固定松动、骨不连和足弓塌陷等并发症。
No infection, breakage, loosening of internal fixator, nonunion or longitudinal arch collapse was found.
无感染、断钉、内固定松动、骨不连和足弓塌陷等并发症。
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