目前在我国城市的基建项目中,地下工程的数量及面积较以前有了明显的增加.尤其在民用建设项目的建设中,由于土地价格的上升,为了提高土地的利用率,高层建筑随之增多,而一般的高层建筑均设置地下室,另外利用公园、广场、绿地等修建地下人防工程、地下停车场工程也将成为一种发展趋势. At present, in the infrastructure projects of our cities, the number and area of ​​underground projects have increased significantly compared with before. Especially in the construction of civil construction projects, due to the increase in land prices, high-rise buildings have increased in order to increase land utilization. , While general high-rise buildings are set basement, in addition to the use of parks, plazas, green areas and other underground civil air defense projects, underground parking projects will also become a trend.