Abstract
In recent years, China has vigorously promoted the construction of sponge cities and achieved good results. The university campus is a relatively independent existence in the city. Due to historical planning and construction reasons, it is easy to accumulate water when the city has a large amount of precipitation. Taking Wuhan Polytechnic University as an example, this paper analyzes the causes of waterlogging on campus from the aspects of urban precipitation, campus planning, rainwater harvesting and utilization, and proposes a series of low-impact development (LID) measures, such as increasing the permeability of paving area, building vegetative ditch, setting up infiltration green belt, and renovating the artificial lake in the school. The author adopted the SWMM model of urban stormwater management developed by the U.S.EPA as a carrier to construct a low-impact rainwater system model, The SWMM model which funded by the US Environmental Protection Agency was used to construct a low-impact development rainwater system model to evaluate the effect of low-impact development measures on ground runoff control.
Highlights
In the past few decades, China has started a rapid urbanization process due to economic prosperity
This paper will use Wuhan Polytechnic University as the research object to carry out low impact development (LID) facility layout and effectively control the peak runoff
This article will simulate the effect after the establishment of Low Impact Development (LID) measures on campus using Storm Water Management Model (SWMM)
Summary
In the past few decades, China has started a rapid urbanization process due to economic prosperity. A large number of vegetation and green landscapes in the city were excavated and replaced by high-rise buildings and hard paved roads These factors have led to rainwater accumulation cannot be discharged in many cities in China in recent years after heavy rains. The United States proposed the best management practice (BMP) in the 1970s This method was originally applied to the use of engineering measures and artificial means to drain flood control [1]. The guide states: “Sponge city means that the city can be like a sponge and has good ‘elasticity’ in adapting to environmental changes and coping with natural disasters When it rains, water storage facility absorbs water, accumulates water, seeps water, and cleans water. The transformation of the “sponge campus” on the campus will be a matter of real significance
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