The Research on Sponge City Design Strategy of Typical Substations
Under the background of carbon peaking and carbon neutrality,the construction of different level substations is rapidly developing in many regions to support electricity supply.Considering the requirement of systematic and full-field promotion of sponge city construc-tion,it is prominent and important to further promote the sponge city design of substations.Based on the site layout and operating character-istics of substation projects,the suitability of applying different sponge city measures in substations is analyzed.Taking a typical substation project in southern China as an example,the sponge city design strategy is proposed by applying green infrastructures in priority to control stormwater,and adopting efficient disconnection and drainage method to organize site runoff.Regarding the situation that cable trenches or cable tunnels may obstruct the stormwater pipelines,it is proposed to construct drainage ditches and control vertical elevations to discharge overflow.By conducting research on sponge city design strategies of typical substations,valuable references can be provided for the design and construction of similar projects.
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