CN105064276A - Combined ecological revetment structure and construction method thereof - Google Patents
Combined ecological revetment structure and construction method thereof Download PDFInfo
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- CN105064276A CN105064276A CN201510558205.6A CN201510558205A CN105064276A CN 105064276 A CN105064276 A CN 105064276A CN 201510558205 A CN201510558205 A CN 201510558205A CN 105064276 A CN105064276 A CN 105064276A
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Abstract
A combined ecological revetment structure comprises a first-stage revetment (1) and a second-stage revetment (2), wherein the first-stage revetment (1) is of a ground frame gabion structure and comprises frame bodies (11) which are square plate frames with openings in the upper and lower portions, and the frame bodies (11) are made of concrete. The frame bodies (11) are regularly placed on a river bank, the tops of the frame bodies (11) are located below a normal water level, and the bottoms of the frame bodies (11) extend to a riverbed. Aquatic plants (13) are planted inside holes in the frame bodies (11), the second-stage revetment (2) is of a coconut fiber blanket structure (21) and is in a net shape, and a seed layer (22) and nutrient soil (23) are sequentially arranged on the upper surface of the second-stage revetment (2) from bottom to top. The coconut fiber blanket structure (21) is fixed to the normal water level and the part, flush with or higher than the normal water level, of the riverbank. The revetment structure is reasonable in structure, economical and practical. The construction method is simple, rapid to implement and capable of being widely applied to shore protection engineering of river channels, lakes and landscape water bodies.
Description
Technical field
The present invention relates to the revetment protection field of a kind of river course, lake and other landscape water bodies, in particular in a kind of ecological revetment structure, particularly river course Introduction of The Comprehensive Regulating Works can the combined biological revetment structure of planting aquatic plants and construction method thereof.
Background technology
Revetment is positioned at the junction on waters and land, is a kind of water conservancy project structure riverbank being played to protective action.The object that revetment is built is poised stream, stops bank slope collapse or sluicing.The protection of river revetment as the pith of river course comprehensive improvement, its safety and appearance view being directly connected to whole river whether reasonable in design, and for the prosperity in city and the lifting of surrounding enviroment significant.
Waterfront construction Special attention will be given to water conservancy function in the past and safety, usually all with safety, economy preferentially, the main consideration stability in river course and the flood control capacity in river course.Therefore general is main building materials with hard materials such as cement, building stones, concrete, adopts cast-in-situ concrete shore protection more, grouts or the rigidity revetment form such as placed rockfill shore protection, precast concrete block shore protection or geotechnical fabric bag.Said structure serves certain effect in keeping the structural stability of bank slope, preventing erosion and control flood and drain flooded fields etc., but construction costs is relatively high, subaqueous construction difficulty is larger, and need periodic maintenance, continuous reparation, and destroy river channel ecology system, accelerate the destruction to environment for human survival.Riverbank has been transformed into steel concrete, stone shore protection by this kind of revetment structure, the enclosure wall that picture one is stifled airtight, lack the passage of soil and water environment mass exchange, intercept the communication of water and bank, making originally to grow biology on bank slope can not continued growth, destroy the integrality of the ecosystem, harmful effect is caused to environment and ecology.
Summary of the invention
Technical problem to be solved by this invention is ecological functions, the welding that existing bank protection structure destroys bank slope.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of combined biological revetment structure, comprises one-level revetment and secondary revetment.One-level revetment is ground frame gabion structure, and ground frame gabion structure comprises framework, and framework shape is the square sheet frame of upper and lower opening, and material is concrete.Framework is laid on riverbank regularly, and its top is positioned at below ordinary water level, and bottom extends to riverbed; Planting aquatic plants in the hole of framework.Secondary revetment is coir fibre blanket structure, and its shape is netted, and its upper surface is followed successively by Seed Layer and Nutrition Soil from bottom to top; Coir fibre blanket structure is fixed on ordinary water level and above riverbank.
Preferably, the framework of one-level revetment is grid-shaped in riverbank planar alignment.
Preferably, secondary revetment for being fixed with many row's coir fibre blanket structures on riverbank; Wherein, the coir fibre blanket structure in same row is arranged side by side, interlaced arrangement between the coir fibre blanket structure of adjacent two rows.
Preferably, closely engaged between one-level revetment with secondary revetment, interlocking is overlapped.
Preferably, the material of the framework in the ground frame gabion structure of one-level revetment is eco-concrete or reinforcement ecological concrete; The cross section of framework is square single hole, and upper and lower end and the riverbank of framework are positioned at same level, are placed on river levee.
Preferably, coir fibre blanket structure is fixed on the riverbank above one-level revetment by U-shaped rivet.
Preferably, it is the ground frame gabion structure of one-level revetment under ordinary water level, in the inside aperture of its framework, be filled with cobble or building castoff, be geotextiles between ground frame gabion structure and river levee soil matrix, infiltrates ground frame gabion structure affect stability of foundation to prevent soil.
Preferably, the ground frame gabion structure of one-level revetment, the water plant in the hole of its framework is at least seed plantation or tooth branch is planted or sprigging.
A construction method for foregoing combined biological revetment structure, comprises the following steps:
Step one: smooth location, removes river and carries and impurity on riverbed; The framework of the ground frame gabion structure be prefabricated in the factory is transported to job site;
Step 2: on the river levee soil matrix of one-level revetment position, lays geotextiles;
Step 3: on the geotextiles laid, effluent dike by regularly arranged for the framework of ground frame gabion structure, and makes the top of framework be positioned at below ordinary water level to direction, riverbed;
Step 4: after framework has all been put, fills cobble or building castoff and planting aquatic plants in the inside aperture of framework;
Step 5: on the river levee soil matrix of secondary revetment position, lays coir fibre blanket structure, has laid the U-shaped rivet of rear use and fixed;
Step 6: to lay and the coir fibre blanket body structure surface fixed lays Seed Layer and Nutrition Soil successively.
Step 7: inspect for acceptance.
Foregoing construction method, step 2 to four can be carried out with step 5 to six simultaneously.
One-level revetment is with ground frame gabion reinforcing underwater structure; fill stone inside; the shore protection of this loose structure is while meeting channel water delivery discharge capacity; both the connectedness of water body and soil had been strengthened; the naughty erosion of water body to riverbank can be reduced again; playing the effect on protection riverbank, is the reserved more spaces of bank slope in ordinary water level, to ensure the stability of coir fibre blanket structure in secondary revetment.Replace wall-retaining structure simultaneously, reduce engineering and drop into.Gentle slope, ordinary water level top adopts coir fibre blanket structure can reduce water body to washing away and soil erosion above riverbank, can reduce washing away of storm runoff and ship wave simultaneously.Ground frame gabion structure and stone fillers can be fry, zoobenthos provides habitat, and do not affect shore protection overall structure stability and Riparian Zone view, again for aquatile existence provides necessary condition.In addition, due in one-level revetment and secondary revetment structure all containing vegetable seeds, therefore can be formed by the collocation of seed, form good landscape effect, and reach the effect of shore protection further by root system of plant.
The construction method of this revetment structure, step is simple, and difficulty of construction is low, and speed of application is fast.
According to ecological revetment structure of the present invention, rational in infrastructure, economical and practical; Its construction method simple and fast, can be widely used in the bank protection work of river course, lake and landscape water body.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic cross-sectional view of combined biological revetment structure of the present invention.
Accompanying drawing 2 is one-level revetment ground frame gabion structure schematic diagram.
In figure:
1---one-level revetment, 2---secondary revetment, 11---framework, 12---cobble or building castoff, 13---water plant, 14---geotextiles, 21---coir fibre blanket structure, 22---Seed Layer, 23---Nutrition Soil, 24---U-shaped rivet.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1-2, a kind of combined biological revetment structure, comprises one-level revetment 1 and secondary revetment 2.One-level revetment 1 is ground frame gabion structure, and ground frame gabion structure comprises framework 11, and framework 11 shape is the square sheet frame of upper and lower opening, and material is concrete.Framework 11 is laid on riverbank regularly, and its top is positioned at below ordinary water level, and bottom extends to riverbed; Planting aquatic plants 13 in the hole of framework.Secondary revetment 2 is coir fibre blanket structure 21, and its shape is netted, and its upper surface is followed successively by Seed Layer 22 and Nutrition Soil 23 from bottom to top; Coir fibre blanket structure 21 is fixed on ordinary water level and above riverbank.
Preferably, the framework 11 of one-level revetment 1 is grid-shaped in riverbank planar alignment.
Preferably, secondary revetment 2 for being fixed with many row's coir fibre blanket structures 21 on riverbank; Wherein, the coir fibre blanket structure 21 in same row is arranged side by side, interlaced arrangement between the coir fibre blanket structure 21 of adjacent two rows.
Preferably, closely engaged between one-level revetment 1 with secondary revetment 2, interlocking is overlapped.
Preferably, the material of the framework 11 in the ground frame gabion structure of one-level revetment 1 is eco-concrete or reinforcement ecological concrete; The cross section of framework 11 is square single hole, and upper and lower end and the riverbank of framework 11 are positioned at same level, are placed on river levee.
Preferably, coir fibre blanket structure 21 is fixed on the riverbank above one-level revetment 1 by U-shaped rivet 24.
Preferably, it is the ground frame gabion structure of one-level revetment 1 under ordinary water level, in the inside aperture of its framework 11, be filled with cobble or building castoff 12, be geotextiles 14 between ground frame gabion structure and river levee soil matrix, infiltrates ground frame gabion structure affect stability of foundation to prevent soil.
Preferably, the ground frame gabion structure of one-level revetment 1, the water plant 13 in the hole of its framework 11 is at least seed plantation or tooth branch is planted or sprigging.
A construction method for foregoing combined biological revetment structure, comprises the following steps:
Step one: smooth location, removes river and carries and impurity on riverbed; The framework 11 of the ground frame gabion structure be prefabricated in the factory is transported to job site;
Step 2: on the river levee soil matrix of one-level revetment 1 position, lays geotextiles 14;
Step 3: on the geotextiles 14 laid, effluent dike by regularly arranged for the framework 11 of ground frame gabion structure, and makes the top of framework 11 be positioned at below ordinary water level to direction, riverbed;
Step 4: after framework 11 has all been put, fills cobble or building castoff 12 also planting aquatic plants 13 in the inside aperture of framework 11;
Step 5: on the river levee soil matrix of secondary revetment 2 position, lays coir fibre blanket structure 21, has laid the U-shaped rivet 24 of rear use and has fixed;
Step 6: to lay and coir fibre blanket structure 21 surface fixed lays Seed Layer 22 and Nutrition Soil 23 successively.
Step 7: inspect for acceptance.
Foregoing construction method, during construction, step 2 to four can be carried out with step 5 to six simultaneously.
One-level revetment 1 is with ground frame gabion reinforcing underwater structure; fill stone inside; the shore protection of this loose structure is while meeting channel water delivery discharge capacity; both the connectedness of water body and soil had been strengthened; the naughty erosion of water body to riverbank can be reduced again; playing the effect on protection riverbank, is the reserved more spaces of bank slope in ordinary water level, to ensure the stability of coir fibre blanket structure 21 in secondary revetment 2.Replace wall-retaining structure simultaneously, reduce engineering and drop into.Gentle slope, ordinary water level top adopts coir fibre blanket structure 21 can reduce water body to washing away and soil erosion above riverbank, can reduce washing away of storm runoff and ship wave simultaneously.Ground frame gabion structure and stone fillers can be fry, zoobenthos provides habitat, and do not affect shore protection overall structure stability and Riparian Zone view, again for aquatile existence provides necessary condition.In addition, due in one-level revetment 1 and secondary revetment structure 2 all containing vegetable seeds, therefore can be formed by the collocation of seed, form good landscape effect, and reach the effect of shore protection further by root system of plant.
The construction method of this revetment structure, step is simple, and difficulty of construction is low, and speed of application is fast.
According to ecological revetment structure of the present invention, rational in infrastructure, economical and practical; Its construction method simple and fast, can be widely used in the bank protection work of river course, lake and landscape water body.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., be all included within protection scope of the present invention.
Claims (10)
1. a combined biological revetment structure, comprises one-level revetment (1) and secondary revetment (2), it is characterized in that:
Described one-level revetment (1) is ground frame gabion structure, and described ground frame gabion structure comprises framework (11), and described framework (11) shape is the square sheet frame of upper and lower opening, and material is concrete; Described framework (11) is laid on riverbank regularly, and its top is positioned at below ordinary water level, extends to riverbed bottom it; Planting aquatic plants (13) in the hole of framework (11);
Described secondary revetment (2) is coir fibre blanket structure (21), described coir fibre blanket structure (21) shape is netted, and its upper surface is followed successively by Seed Layer (22) and Nutrition Soil (23) from bottom to top; Described coir fibre blanket structure (21) is fixed on ordinary water level and above riverbank.
2. combined biological revetment structure according to claim 1, is characterized in that:
The framework (11) of described one-level revetment (1) is grid-shaped in riverbank planar alignment.
3. combined biological revetment structure according to claim 1 and 2, is characterized in that:
Described secondary revetment (2) for being fixed with many row'ss coir fibre blanket structure (21) on riverbank; Wherein, the coir fibre blanket structure (21) in same row is arranged side by side, interlaced arrangement between the coir fibre blanket structure (21) of adjacent two rows.
4. combined biological revetment structure according to claim 3, is characterized in that:
Closely engaged between described one-level revetment (1) with described secondary revetment (2), interlocking is overlapped.
5. the combined biological revetment structure according to claim 1 or 3, is characterized in that:
The material of the described framework (11) in the ground frame gabion structure of described one-level revetment (1) is eco-concrete or reinforcement ecological concrete;
The cross section of described framework (11) is square single hole, and upper and lower end and the riverbank of described framework (11) are positioned at same level, are placed on river levee.
6., according to the combined biological revetment structure in claim 1,2 and 4 described in arbitrary claim, it is characterized in that:
Described coir fibre blanket structure (21) is fixed on the riverbank of described one-level revetment (1) top by U-shaped rivet (24).
7., according to the combined biological revetment structure in claim 1,2 and 4 described in arbitrary claim, it is characterized in that:
It is the ground frame gabion structure of described one-level revetment (1) under ordinary water level, in the inside aperture of its framework (11), be filled with cobble or building castoff (12), geotextiles (14) is set between described ground frame gabion structure and river levee soil matrix.
8., according to the combined biological revetment structure in claim 1,2 and 4 described in arbitrary claim, it is characterized in that:
The ground frame gabion structure of described one-level revetment (1), the water plant (13) in the hole of its framework (11) is at least seed plantation or tooth branch is planted or sprigging.
9. a construction method for the combined biological revetment structure according to claim arbitrary in claim 1-8, is characterized in that:
Comprise the following steps:
Step one: smooth location, removes river and carries and impurity on riverbed; The framework (11) of the ground frame gabion structure be prefabricated in the factory is transported to job site;
Step 2: on the river levee soil matrix of one-level revetment (1) position, lays geotextiles (14);
Step 3: on the geotextiles laid (14), effluent dike by regularly arranged for the framework (11) of ground frame gabion structure, and makes the top of framework (11) be positioned at below ordinary water level to direction, riverbed;
Step 4: after framework (11) has all been put, fills cobble or building castoff (12) and planting aquatic plants (13) in the inside aperture of framework (11);
Step 5: on the river levee soil matrix of secondary revetment (2) position, lays coir fibre blanket structure (21), has laid the U-shaped rivet of rear use (24) and has fixed;
Step 6: to lay and coir fibre blanket structure (21) surface fixed lays Seed Layer (22) and Nutrition Soil (23) successively;
Step 7: inspect for acceptance.
10. the construction method of combined biological revetment structure according to claim 9, is characterized in that:
During construction, step 2 to four can be carried out with step 5 to six simultaneously.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862672A (en) * | 2016-06-02 | 2016-08-17 | 南京河川建设工程有限公司 | Novel anti-slide revetment |
| CN108729406A (en) * | 2018-08-22 | 2018-11-02 | 美丽国土（北京）生态环境工程技术研究院有限公司 | A kind of falling zone ecological restoration device and the method for repairing falling zone ecology |
| CN108755592A (en) * | 2018-04-27 | 2018-11-06 | 中国水利水电科学研究院 | In situ for hard slope formula shore protection plants raw formula ecology reconstruction structure and method |
| CN109113021A (en) * | 2018-09-18 | 2019-01-01 | 张小皎 | One kind being used for dredging waterway environment-friendly type river levee |
| CN112064574A (en) * | 2020-08-03 | 2020-12-11 | 杭州大禹水利工程咨询有限公司 | Embankment bank protection structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105862672A (en) * | 2016-06-02 | 2016-08-17 | 南京河川建设工程有限公司 | Novel anti-slide revetment |
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| CN108729406A (en) * | 2018-08-22 | 2018-11-02 | 美丽国土（北京）生态环境工程技术研究院有限公司 | A kind of falling zone ecological restoration device and the method for repairing falling zone ecology |
| CN109113021A (en) * | 2018-09-18 | 2019-01-01 | 张小皎 | One kind being used for dredging waterway environment-friendly type river levee |
| CN109113021B (en) * | 2018-09-18 | 2021-01-08 | 云南山川园林有限公司 | Be used for river course to renovate environment-friendly river levee |
| CN112064574A (en) * | 2020-08-03 | 2020-12-11 | 杭州大禹水利工程咨询有限公司 | Embankment bank protection structure |
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