Civil air defense system major of Army Engineering University can be read. However, if you join the army to serve the country, you will not take the civil air defense test, but you will have the command and non-command categories of the military. Lugong University welcomes every enthusiastic young person. Civil air defense system is a civil air defense system to defend against enemy air strikes, mobilize and organize urban residents to take protective measures, protect people's lives, avoid or reduce national economic losses, and preserve war potential.

Tunnel civil air defense engineering

In terms of construction method, tunnel civil air defense project refers to the civil air defense project constructed by underground excavation (excavation and blasting). Structurally speaking, the pit and tunnel project is a load-bearing structural project composed of the upper covering layer and the supporting (cover) structure of the project.

Pit and tunnel engineering can be divided into tunnel engineering and tunnel engineering according to different types of construction openings. Tunnel engineering refers to the use of mountains, hills and platforms above the ground, which are cut from the natural ground or above the natural ground at a horizontal inclination angle of 5o), and is divided into vertical shaft engineering and inclined shaft engineering.