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Artificial ecological lake construction method for karst landform

A technology of artificial ecology and construction methods, applied in chemical instruments and methods, marine engineering, water conservancy projects, etc., can solve the problems of long construction period and easy pollution of lake water, and achieve the effect of stable ecological environment and good anti-seepage performance.

Pending Publication Date: 2018-12-18
CHENGDU HUANMEI GARDEN ECOLOGICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing artificial lake construction scheme has a long construction period and does not include the transformation process of the ecological environment. After the construction is completed, the lake water is easily polluted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A method for constructing an artificial ecological lake for karst landforms, comprising the following steps in sequence:

[0039] S1. Clean up the area where the artificial lake is built, and level the soil at the bottom of the lake;

[0040] S2. Improve the ecological environment of the lake bottom soil;

[0041] S3, injecting water into the area where the artificial lake is built;

[0042] S4. Construct the biome in the lake.

[0043] Further, the method for leveling the soil at the bottom of the lake in the step S1 includes the following steps:

[0044] S101. After excavating the lake base earthwork to the designed lake bottom elevation, continue to dig 0.5-0.7m;

[0045] S102, leveling and compacting the base soil excavated in step S101, backfilling with 0.25-0.35m of clay, and compacting with mechanical rolling;

[0046] S103, paving waterproof material on the clay backfilled in step S102;

[0047] S104. After the waterproof material is laid, backfill the wate...

Embodiment 2

[0065] The method for improving the lake bottom soil ecological environment in the step S2 comprises the following steps:

[0066] S201. Disinfect the bottom mud to eliminate the benthic harmful biological flora;

[0067] S202. After the bottom mud is not disinfected in S201, the bottom mud is activated to build beneficial microbial flora necessary for the ecosystem.

[0068] In the water ecosystem construction project, the first thing is to disinfect the bottom mud, to eliminate the benthic harmful biological flora, choose high-quality Chinese herbal medicine non-toxic disinfectant or use dichloride effervescent tablets, and spray evenly on the entire pool bottom with a knapsack sprayer . After the bottom mud is disinfected, the bottom mud activation work is carried out to build the beneficial microbial flora necessary for the ecosystem, and at the same time increase the activity of the bottom mud, which can improve the survival rate of aquatic plants.

Embodiment 3

[0070] The difference between this embodiment and Embodiment 1 is that the step S401, the method of planting aquatic plants at the bottom of the lake includes:

[0071] A. Preparation before planting

[0072] Plant selection: Selecting plants that meet the design requirements and are free from pests and diseases is the key to ensuring the quality of the project. For example, the main key plants of this project, such as the evergreen underwater bitter grass, choose the modules that grow vigorously, have no pests and diseases, and have well-developed root systems.

[0073] B. Plant Qualitative and Positioning

[0074] The main plant shall be constructed according to the drawings, and if the adjustment is caused by special reasons, it shall be subject to the approval of the designer or the technical change order. Because the planting work is carried out underwater, the water body is easy to cause planting deviation due to turbidity. The construction adopts the method of marking...

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Abstract

The invention discloses an artificial ecological lake construction method for the karst landform. The artificial ecological lake construction method for the karst landform sequentially comprises the following steps that S1, the area where an artificial lake is built is cleaned, and soil on the lake bottom is leveled; S2, the ecological environment of the soil on the lake bottom is improved; S3, water is injected into the area where the artificial lake is built; and S4, biocenoses are established in the lake. The phenomena of blue algal bloom, water stench and the like are completely eradicated, and ecological landscapes of clear water, clean air, beautiful sceneries and swimming fishes are created. Except for rainstorms, the water transparency reaches 1.5 m or above, and the ' oligotrophicgrass type clear water status' water is built comprehensively. The aquatic plant coverage rate is equal to or greater than 80%, the water bottom always keeps green at all seasons, the water surface is embellished with flowers, and the water landscapes are improved remarkably. An aquatic ecosystem food chain is perfected, an aquatic ecosystem with an integrated structure and perfect functions is built, and the water achieves self-purification and has certain anti-pollution capacity.

Description

technical field [0001] The invention relates to the field of garden construction, in particular to an artificial ecological lake construction method used in karst landforms. Background technique [0002] In order to achieve the main water quality indicators of the year-round (except for rain and flood periods and severe natural disasters) to meet the goal of Class III of the "Surface Water Environmental Quality Standard (GB3838-2002)", maintain good water transparency and water quality, and realize the sponge city effect and natural The long-term stability of the ecological functions of water storage and natural water purification will comprehensively enhance the influence and attractiveness of the park, making it a demonstration ecological management and landscape project in Guizhou and even the whole province. Through the "in-situ construction of water ecological restoration technology", a stable and complete water ecological self-purification system will be built in the l...

Claims

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Application Information

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IPC IPC(8): E02B1/00E02B3/00E02B3/12C02F11/00C02F11/02
CPCC02F11/004C02F11/02E02B1/00E02B3/00E02B3/12E02B3/126
Inventor 王理琼王友林
Owner CHENGDU HUANMEI GARDEN ECOLOGICAL CO LTD
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