Research on Evaluation and Optimization of Campus-City Boundary Space Based on Symbiosis Theory

With the development of urbanization and transformation of educational philosophy of universities, the relationship between the campus and the city become much closer. As an important public space embedded in the city, the campus boundary space plays a vital role in the connection and communication between campus and city. The high-quality boundary space can produce a strong boundary effect to realize the benign interaction between campus and city, and can also promote the common development of each other. Therefore, how to effectively deal with the boundary isolation and penetration relationship is a valuable issue. This research takes the symbiosis theory as the breakthrough point, takes campus space and urban space as a complete symbiosis system, and combines typology to study the organic integration and connectivity of boundary spaces. This research summarizes the literature and campus case data, and analyzes under the combination of multi-source big data such as traffic data and poi data. Based on the above research, the boundary space is analyzed and summarized in terms of its constituent elements, spatial form, functional structure, and business distribution. Finally, based on the symbiosis theory, we propose four optimization strategies: 1) Breaking the closed campus form and transforming the traditional linear boundary form to form a multi-dimensional organic boundary, thereby constructing a soft and penetrating boundary; 2) Campus space and city space are organically mixed to create a boundary integrating scientific research, life, commerce, and leisure function, and is shared by teachers, students and citizens; 3) Combine the slow transportation with the cultural heritage in campus, dredge the connection path, connect and transplant campus culture, continue the cultural context, and promote the diffusion of cultural values; 4) Integrate the green space around the boundary and construct a green space system from a regional perspective, build a comfortable and pleasant space to realize the ecological connection between campus and city. The boundary space is an important carrier for the interaction and communication between campus and city. The organically integrated interface can effectively stimulate the vitality of the boundary space and create a positive and effective cultural atmosphere. This research conducts an in-depth study on the penetration, integration and connection of boundary space, aim to add more potentiality and vitality to public spaces in city.