Abstract:In order to address the issue of the utilization of structural cavities resulting from the intensive construction of urban underground space, taking the Guangzhou Nansha New District Mingzhu Bay Start-up Area Underground Loop Road and Public Underground Space (Phase II) Project as an example, combined with the large-scale complex municipal complex projects in China, and under the constraints of project location, layout rules, functional systems and surrounding environment, the feasibility of five schemes, namely treasure houses, sponge cities, all-vanadium redox flow batteries, intelligent transportation facilities and unmanned logistics warehousing is analyzed. The discussion is conducted from aspects such as setting requirements and the difficulties faced by the application. And the evaluation index table is proposed. The analysis shows that the treasure house has strict setting specifications, and the concentration and integrity of the cavity are required to be relatively high, making it difficult to adapt to scattered cavity forms. The sponge city scheme is in line with the ecological development needs, requiring the centralized setting of cavities and having a high complexity of reconstruction. All-vanadium redox flow batteries have potential impacts on the surrounding environment and need to meet the strict fire prevention, explosion prevention and environmental protection requirements. The intelligent transportation facilities can be set up in areas with corresponding site conditions. The unmanned warehousing and logistics scheme has high layout flexibility, conforms to the development needs of the low-altitude economy, and has the stronger application feasibility.
