ZHOU Guo-hua,GE Tong-gang,SHANG Wei,et al.Construction and Operation of Ganluxi Sponge Park in Sino-Singapore Tianjin Eco-city[J].China Water & Wastewater,2020,36(24):134-139.
中新天津生態(tài)城甘露溪公園海綿建設(shè)與運(yùn)行總結(jié)
- Title:
- Construction and Operation of Ganluxi Sponge Park in Sino-Singapore Tianjin Eco-city
- 關(guān)鍵詞:
- 海綿城市; 中新天津生態(tài)城; 甘露溪公園
- 摘要:
- 甘露溪公園是中新生態(tài)城海綿城市建設(shè)試點(diǎn)區(qū)內(nèi)的公園綠地類(lèi)標(biāo)志性項(xiàng)目之一。原方案目標(biāo)聚焦景觀功能，與濱海鹽堿區(qū)海綿城市建設(shè)要求相比，技術(shù)針對(duì)性不強(qiáng)。鑒于公園周邊市政道路圍繞的環(huán)境條件，明確其道路雨水污染控制與利用的海綿建設(shè)目標(biāo)；據(jù)此，將原方案分別設(shè)置在公園兩側(cè)兩個(gè)獨(dú)立的景觀水塘，通過(guò)生態(tài)溝渠連通，增設(shè)水循環(huán)及沿程分散式小型雨水凈化池，形成多類(lèi)型斷面的景觀水系；根據(jù)地形地貌，將東側(cè)的水塘設(shè)置成臺(tái)地式雨水濕塘等。工程建成后，區(qū)域人居環(huán)境得到根本改善，經(jīng)2019年4月—8月多場(chǎng)降雨過(guò)程實(shí)測(cè)，公園海綿設(shè)施系統(tǒng)可消納最大日55.6 mm的降雨，對(duì)周邊道路雨水徑流SS、COD的平均去除率分別達(dá)到81.6%、77.7%，基本實(shí)現(xiàn)了項(xiàng)目海綿城市建設(shè)要求。
- Abstract:
- Ganluxi Park is one of the landmark green space projects in the sponge city construction pilot area of Sino-Singapore Tianjin Eco-city. The objective of the original plan focused on the landscape function, and its technical pertinence was not sufficient compared with the construction requirements of sponge city in coastal saline alkali areas. Given that Ganluxi Park was surrounded by roads, the sponge construction objectives of pollution control and road runoff utilization was defined. Accordingly, the original scheme is respectively set up in two independent landscape ponds on both sides of the park and connected by ecological ditches. The water circulation and dispersed-type small stormwater purification ponds are added along the way, thus the landscape water system with multiple sections was formed. The pond on the east side is set up as a platform-type wet pond according to the topography. After the completion of the project, the regional human settlements have been fundamentally improved. According to the rainfall measurements from April to August 2019, the maximum daily rainfall of 55.6 mm can be absorbed by the sponge facility system in the park, and on average 81.6% of SS and 77.7% of COD were removed from runoff of the surrounding roads, which basically realizes the requirements of the sponge city construction project.
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