River channel ecosystem reconstruction structure and construction and operation method thereof
A river ecosystem and ecological technology, applied in botany equipment and methods, construction, river regulation, etc., can solve the problems of natural anti-seepage layer damage, leakage, etc., to improve biodiversity, pollution purification ability and material The effect of increasing the circulation rate and improving the self-healing ability of the water body
Pending Publication Date: 2019-03-15
BEIJING ORIENT LANDSCAPE
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Problems solved by technology
At the same time, dredging is very easy to cause leakage due to the damage of the natural anti-seepage layer formed by historical accumulation due to the change of the physical structure of the bottom.
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[0027] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0028] The invention provides a river course ecosystem reconstruction structure, such as Figure 1 to Figure 4 As shown, a preferred embodiment of the present invention is shown therein. The present invention makes full use of the dredged sediment resources, quickly rebuilds the dredged river bed and bank structure through the method of combining engineering and ecological means, and quickly rebuilds its ecological system by taking the natural formation as the main part and man-made disturbance as the supplementary way to achieve Integrate to complete the purpose of ecological restoration of water bodies, and finally build a sustainable ecological system suitable for the local ecological environment, self-sustaining and normal natural succession.
[0029] Specifically, the reconstruction structure of the river channel...
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The invention relates to a river channel ecosystem reconstruction structure. The river channel ecosystem reconstruction structure comprises a permeable impervious layer, an ecological reconstruction layer and an intersection adsorption layer arranged on a riverbed base in sequence, and further comprises a slope revetment and / or a vertical revetment. The topography of the riverbed base is set as anoriginal underwater topography. The riverbed base is provided with a deep pool topography, a shoal topography and / or a central beach topography. The slope revetment comprises a gravel heap, a skeleton and a first planting matrix layer, and the vertical revetment comprises a backfill retaining wall, a constant water level submerged revetment and a step revetment. The river channel ecosystem reconstruction structure and the construction and operation method thereof make full use of native sediment and biological resources in the native sediment, and the method with natural selection and naturalsuccession as the main method and artificial assistance as the auxiliary method is applied, so that the self-repairing capacity of water body is improved, the pollution purification capacity and therate of the material circulation are improved, accordingly, the comprehensive construction of the structures and functions of river channel and river bank systems are achieved, and the biodiversity isenhanced.
Description
technical field [0001] The present invention relates to the fields of river regulation and water ecological restoration, in particular to a river ecosystem reconstruction structure and a construction and operation method thereof. Background technique [0002] In recent years, my country has intensified efforts to control water pollution, and has paid special attention to the remediation of urban black and odorous water bodies. Sediment is the central link in the circulation of various substances in rivers, and it is also the main accumulation pool of these substances. A large number of nutrients, organic pollutants, heavy metals and other pollutants in the water body can enter the sediment through various channels such as sedimentation, adsorption, and biological absorption, and the pollutants in the sediment will be redistributed from the sediment under certain conditions. Released into overlying water bodies. Therefore, in the treatment of urban water bodies, the treatme...
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IPC IPC(8): E02B3/02E02B3/06A01G9/02
CPCA01G9/02E02B3/02E02B3/06E02B3/066Y02A20/402
Inventor 樊蓓莉梁威崔晨晨
Owner BEIJING ORIENT LANDSCAPE