The Analysis Appraisal And Guiding Strategy Of The Informal Commercial Phenomenon On The Street

There is a long history of informal commercial activities appeared on the street. However, the research on informal commercial activities is insufficient. On this account, this thesis attempts to use the method of qualitative analysis and quantitative analysis to do research on informal commercial activities and to explore their causes, business format, spatial distribution and their influence on the street space and psychological feelings of street users. On the basis of this, the thesis trys to explore the feasible method of street design.This thesis mainly focuses on three aspects which are informal commercial activities, street physical form and psychological perception of the street space. Firstly, the research does the survey on informal commercial status, such as the quantity, business format and spatial distribution. After that, the thesis collects a great deal of the street object indices and using statistical method to explore the correlation between informal commercial activities and object indices of the street and find out which index is closely related to informal commercial activities. Finally, the thesis trys to use Semantic Differential Method to capture the quantitative value of street space perception and sets up a "physical form --cognitive psychology" model by using statistical analysis method. By establishing the quantitative relationship between psychological perception and object indices of the street which is closely related to informal commercial activities, planners can take walkers’ psychological feelings into account during the process of design and treat it as one of the standards of street planning in the future.