Sponge city construction and innovation in Shenzhen

This paper briefly introduces the background and achievements of the sponge city construction in Shenzhen, China, and summarizes the experience and lessons in the construction of sponge city and discusses the innovation achievements of the sponge city in Shenzhen, combining the policy documents and engineering cases. The organizational innovation mainly comprises the formation of leading teams of municipal and district sponge city construction work, establishment of sponge city construction technology alliance and setting up academician workstation; the management innovation includes the policy making and establishment of technology standards; and the technological innovation mainly discusses the innovation of sponge city facility and mixing soil. Considering the application scope of the sponge city facilities, this paper introduces the innovative sponge city facilities, which are suitable for building district, urban road, metro depot and urban renewal projects. The case studies include: ① sponge city facilities of the civil engineering experimental building in Shenzhen University; ② sponge city facilities on the Dengliang Road in Nanshan District; ③ sponge city facilities of the Changzhen Depot of Shenzhen Metro Line 6 in Guangming District; ④ sponge city facilities of comprehensive renovation project in Jiazitang Village, Guangming District.