Invert Stress Characteristics of Highway Loess Tunnel with Different Invert Depths
The invert is a vital composition of the tunnel lining structure,and its different depth design greatly affects the bearing capacity,stability,and durability of the lining structure.The rational design of the invert structure for highway loess tunnels can not only reduce the diseases of the lining structure but also improve the durability of the lining structure and prolong the service life.This paper established 3D analysis models for the highway loess tunnels with different invert depths by the finite difference software to study the invert stress characteristics of two-lane highway loess tunnels.The research results are of great technical guiding significance for scientifically designing the invert depth of highway loess tunnels.
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