Sui And Tang Chang'an City Drainage System

Chang'an of Sui and Tang Dynasty was the world's largest city, population over a million, a huge pressure on urban infrastructure, while the carrying capacity of urban infrastructure is particularly important for the city's normal operation. Water and wastewater system of urban infrastructure as an integral part of, like blood vessels throughout the body, responsible for the normal metabolism of the city, for its study is extremely important, and for the construction of today's urban development has some enlightening.First, the city of Chang'an by analyzing the impact of water and wastewater system layout of factors inside and outside to show the characteristics of the system layout; Secondly, based on existing archaeological excavations and drilling data, combined with the relevant ancient literature, the water supply system and drainage systems were analyzed separately, and clearly outlined the water supply system from water source to the water-using units and the drainage system from Sewage discharge point to the aftertreatment; Last, it with the same period of Luoyang City compared to understand shortcomings.