Optimization Design of Urban Road Based on the Concept of Sponge City

Abstract

Based on the concept of accord with nature, natural accumulation, natural infiltration, natural purification, the design of urban road was optimized mainly from permeable pavement, subgrade, bio-retention facilities, and vegetation guardrail by Low Impact Development (LID). Optimization design of urban road based on the concept of sponge city can alleviate the problems of Chinese urban water resources shortage, frequent occurrence of waterlogging, water ecological deterioration, and urban heat island effect. And it has great significance and role to improve the urban living environment and promote the healthy development of the town.