The analyses of tunnels in clay were carried out taking into consideration twogreat important and effective categories. the time independent and time dependent. Timeindependent behaviours are used to represent the excavation stage while time dependentanalyses are used to represent the behaviour of the unlined tunnel after a long time. The finite element analyses were carried out using... https://fyzozbed8faw7.blog-kids.com/35125820/analysis-on-the-imbalance-of-population-flow-network-during-the-spring-festival-travel-rush-in-china-in-2015