Reservoir fluctuating zone rock side slope vegetation concrete slope protection method

Abstract

The invention discloses a reservoir fluctuating zone rock side slope vegetation concrete slope protection method, and belongs to the technical field of ecological protection. The repairing method comprises the steps that (1), when the impounding water level of a reservoir is lowest, a rock side slope of a fluctuating zone is repaired, leveled, cleaned and tamped; and (2), vegetation concrete laying is conducted on the rock side slope located in a half-exposed half-submerged area, specifically, a cement layer is laid on the slope surface of the rock side slope and provided with through holes, then reinforcement cages are fixed to the cement layer, a vegetation concrete substrate containing cattail seeds and scirpus tabernaemontani seeds is poured, a vegetation concrete layer is obtained, lastly a plain soil layer is laid on the surface of the vegetation concrete layer, holes are dug in the plain soil layer, and bamboo reeds are planted. According to the repairing method, the half-exposed half-submerged area in the reservoir fluctuating zone rock side slope can be effectively repaired, and water and soil loss brought in the alternate period of the wet season and the dry season can bereduced.

Description

technical field [0001] The invention belongs to the technical field of ecological protection, and in particular relates to a method for protecting a rock slope with vegetation and concrete in a water-fluctuating zone of a reservoir. Background technique [0002] At present, the reservoir drawdown zone refers to a special area where the submerged land around the reservoir is periodically exposed to the water surface due to seasonal water level fluctuations. The reservoir ebb and flow zone forms a huge ecological isolation zone around the reservoir between the water body and the land bank in the reservoir area. It is a special water and land staggered wetland ecosystem. The periodic fluctuation of the water level will lead to soil erosion, vegetation destruction, geological disasters, etc. These hazards threaten the normal function of water conservancy and hydropower projects and the sustainable development of the ecosystem in the reservoir area. The ecological environment of...

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Problems solved by technology

The ecological environment of the water-fluctuating zone is characterized by long submersion time and large fluctuations in water level. Especially in some river sections with steep slopes, rapid water flow, and difficult soil deposition, vegetation often disappears completely and becomes bare land. The resulting landscape The lack of coordination will also restrict the development of tourism in the reservoir area, and there are great difficulties in governance

The rocky slope is a common type of water-fluctuation zone of the reservoir, but the weathering of the rock will be accelerated under the environment of heavy humidity exposed for a long time, and rockfall or small-scale collapses will occur, which will intensify the water and soil loss of the rocky slope

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