Study on the Factor of Underground Public Space System Design at the Stage of Detail Planning

It is known that in underground space there is lack of natural light and direction-sense,which makes people feel unsafe.In order to solve these problems,so as to improve the quality of environment and create a comfortable and beautiful underground space,as well as a civilized environment,the detailed concept of underground public space design is put forward;based on the theory of five urban design of Kevin,study of the public underground space design is carried out from the factors as path,landmark,node,district and edge.