Loess has a unique structure and water sensitivity. and the immersion of loess leads to many tunnel lining problems in shallowly buried tunnels. Based on a tunnel in Gansu Province in China. two failure glide planes of a shallowly buried loess tunnel and their immersion modes are summarized. https://www.jmannino.com/best-price-Charge-Disposable-5000-Puffs-12mL-hot-choice/