Study on Construction of Underground Urban Complex in Core Area of Coastal City

The development and utilization of complex underground space is an important way to establish the comprehensive transportation system and city disaster prevention space system in modern city. It is also one of the most important methods for building modern city infrastructure construction. This paper takes the city underground urban complex construction as the research object, studies the proper schematic of underground urban complex in core area of coastal city. The approach of making ground space into the underground approach in Qinhuangdao City is proposed. The target is to alleviate the city center area and create a good urban landscape.