CN214695414U - Full prefabricated square pile type ecological retaining wall revetment - Google Patents
Full prefabricated square pile type ecological retaining wall revetment Download PDFInfo
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- CN214695414U CN214695414U CN202120735085.3U CN202120735085U CN214695414U CN 214695414 U CN214695414 U CN 214695414U CN 202120735085 U CN202120735085 U CN 202120735085U CN 214695414 U CN214695414 U CN 214695414U
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Abstract
The prefabricated square pile type ecological retaining wall revetment is characterized in that pile top edge mortises (2) are correspondingly formed in two opposite side walls of the top section of a prefabricated concrete square pile (1); the edges of the two ends of the baffle plate (3) are respectively provided with a plate end tenon edge (4); the baffle plate (3) is embedded into the pile top edge mortise (2) of two adjacent precast concrete square piles (1) by the plate end tenons (4) at the edges of two ends respectively, and the length of the pile top edge mortise (2) is the same as that of the plate end tenons (4); the baffle plate (3) is provided with a plate hole (8). The components are prefabricated and formed in a factory, and the rigidity and the strength of the partition board are obviously improved. Wholly constitute self stability and antidumping ability reinforce, the anti-seismic performance is strong, permeates water and keeps off soil effectually, reduces the excavation degree of depth, prevents soil and water pollution, and construction convenience saves cost and resource, protects ecological environment, can shorten construction cycle, replaces reinforced concrete barricade or grouted block stone barricade, is showing the effect that promotes and keep off soil drainage.
Description
Technical Field
The utility model belongs to the technical field of water conservancy building wall facility material structure, a structural improvement technique, especially a prefabricated assembly barricade revetment of whole of prefabricated barricade revetment are related to.
Background
At the environmental improvement hydraulic engineering field, often need set up interim isolation structure or permanent isolation structure in order to solve the environmental pollution problem, isolation structure commonly used includes reinforced concrete barricade and grouted block stone barricade.
As is well known, most of the retaining walls and the retaining banks of the traditional water conservancy river channel engineering are reinforced concrete retaining wall and retaining bank structures or grouted blockstone retaining wall and retaining bank structures and the like. The construction method has the advantages that foundation earthwork excavation is needed during construction, the self weight of components is large, the construction occupies a large operation field, excavation, soil replacement or vibroflotation of piles and stirring piles are adopted during construction of the weak embankment foundation, the construction difficulty is large, the construction procedures are multiple, the construction period and the maintenance time are long, the apparent quality is poor, more waste materials are generated, the engineering cost is high, and the influence on the surrounding ecological environment is large.
As one of representative improvement techniques, a technique of using an assembled ecological permeable concrete retaining wall is also disclosed. The Chinese patent application 201820475653.9 discloses an assembled ecological permeable concrete retaining wall which is formed by prefabricating a wall body by ceramsite permeable concrete and reinforcing bars, and comprises a wall body, upright columns and a base, wherein slots for inserting the wall body are arranged on two sides of each upright column, the bottom of each upright column is connected with a foundation through the base, and bosses for planting plants are arranged on the wall surface of the wall body.
Although the assembled concrete retaining wall partially meets the application requirements, a larger space for continuous improvement still exists so as to further shorten the construction period and reduce water and soil pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a complete prefabricated square pile formula ecological retaining wall shore protection of assembling replaces reinforced concrete retaining wall or grouted block stone retaining wall, is showing the effect that promotes retaining soil drainage.
The purpose of the utility model is realized by the following technical measures: a fully-prefabricated square pile type ecological retaining wall revetment comprises a prefabricated concrete square pile and a retaining wall plate; pile top edge mortises are correspondingly formed in two opposite side walls of the precast concrete square pile top section; the edges of two ends of the retaining wall plate are respectively provided with a plate end tenon edge; the plate end tenons at the edges of two ends of the wall baffle plate are respectively embedded into the pile top edge mortises of two adjacent precast concrete square piles, and the length of the pile top edge mortises is the same as that of the plate end tenons; the baffle plate is provided with a plate hole.
Particularly, the rear side surface of the partition board is bonded with the composite geotextile into a whole.
In particular, a reserved slot gap formed between the inner wall of the pile top edge tenon slot and the outer wall of the board end tenon edge is filled and sealed by adopting self-leveling type two-component polysulfide sealant.
Particularly, the filtering material is filled in layers within 30cm of the backwater side of the retaining wall plate.
Particularly, the distance between the central lines of two adjacent square piles is 1.0-1.5 m.
Particularly, strip-shaped plate end tenon edges respectively protruding from the middle parts of the left and right side edges of the retaining wall plate, plate edge tenons lower than the same side surface of the retaining wall plate are respectively arranged on the front and rear sides of the plate end tenon edges, and 75-105-degree turnover plate edge tenon shoulders are arranged between the plate edge tenons and the outer wall of the same side surface of the retaining wall plate; the depth of the top edge mortise is 20-30 mm greater than the embedding length of the board end tenon edge, and the board end tenon edge, the board edge tenon cheek and the board edge tenon shoulder are all embedded into the top edge mortise.
Especially, the plate holes are distributed in a quincunx shape, the diameter of each plate hole is 2-3 cm, and the distance between every two plate holes is not smaller than 10 cm.
Particularly, at least one side surface of the tenon edge of the plate end is provided with a plate rubber groove, and the corresponding side wall of the tenon groove of the pile top edge is provided with a pile rubber groove; after the pile top edge tenon groove and the plate end tenon edge are inserted, the plate glue groove is aligned with the pile glue groove, and the self-leveling type two-component polysulfide sealant is injected into the plate glue groove and the pile glue groove.
The utility model discloses an advantage and effect: the components are prefabricated and formed in a factory, and the rigidity and the strength of the partition board are obviously improved. The whole structure has strong self stability and anti-overturning capability, strong anti-seismic performance, good water and soil retaining effect, reduced excavation depth, water and soil pollution prevention, easy operation, less construction procedures, convenient construction, no need of on-site electric welding and on-site concrete pouring, on-site quick assembly can be realized through conventional construction machinery, cost and resources are saved, the ecological environment is protected, the construction period can be shortened, the daily maintenance is avoided, the steel plate retaining wall is not rusted and corroded, the service life is long, the environment is protected, the steel plate retaining wall is free of pollution, the temporary land use is less, the appearance is novel in shape, the retaining wall shore protection quality can be improved, and the appearance is attractive.
Drawings
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent application; some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the embodied product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; for a person skilled in the art, it is possible to derive from the figures in the following description only individual embodiments of the invention and to derive further figures without inventive effort.
FIG. 1 is a schematic view of the mounting structure of embodiment 1.
Fig. 2 is a schematic view of the whole structure of the baffle plate in embodiment 1.
FIG. 3 is a schematic diagram showing a detailed structure of a mortise-tenon joint part between a precast concrete square pile and a retaining wall plate in example 1.
Fig. 4 is a detailed structure diagram of two tenon ends of the wall board in the embodiment 1.
Fig. 5 is a detailed structure diagram of two tenon ends of the wall panel in embodiment 2.
FIG. 6 is a schematic diagram showing a detailed structure of a mortise-tenon joint part between a precast concrete square pile and a retaining wall plate in example 2.
The reference numerals include:
the self-leveling type double-component polysulfide sealant comprises a precast concrete square pile 1, a pile top edge mortise 2, a retaining wall plate 3, a plate end tenon edge 4, a plate edge tenon cheek 5, a plate edge tenon shoulder 6, a composite geotextile 7, a plate hole 8, a reserved slot gap 9, a self-leveling type double-component polysulfide sealant 10, a reverse filter material 11, a pile glue slot 12 and a plate glue slot 13.
Detailed Description
It will be understood by those skilled in the art that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The principle of the utility model is that the baffle plate 3 is closely embedded with the tongue-and-groove 2 at the top of the precast concrete square pile 1 through the tenon edges 4 of the two head plates; a hole 8 is reserved on the plate body of the retaining wall plate 3, and retaining and drainage are carried out through the composite geotextile 7 adhered to the backwater side of the retaining wall plate 3 and the sand and stone filter material 11 filled behind the wall; gaps 9 formed after the tenon edges 4 at the two head plate ends of the retaining wall plate and the tenon grooves 2 at the top edge of the square pile 1 are embedded are filled and sealed by self-leveling type double-component polysulfide sealant 10.
The utility model discloses compare with traditional reinforced concrete barricade revetment structure or grout blockstone barricade revetment structure construction process, the goods is comparatively light, and drainage and retaining effect are all comparatively outstanding, are convenient for transport, reduce the construction manpower loss, can partially replace concrete engineering, are favorable to promoting hydraulic engineering lightweight, modernization and novel building industrialization process.
All prefabricated parts in the utility model are prefabricated and molded in factories, transported to the site for direct assembly, easy to operate, and can be rapidly assembled on site through conventional construction machinery without electric welding and concrete pouring on site; because all prefabricated parts are of reinforced concrete structures, the filling and sealing of the gap after the mortises are embedded are beneficial to enhancing the self-adaptive capacity and the deformation resistance. It is especially suitable for lake dike, river dike and water conservancy projects with revetment and soil-retaining structure required by ecological environment.
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Example 1: as shown in the attached figures 1-4, the fully-prefabricated square pile type ecological retaining wall revetment is formed by bonding a composite geotextile 7 and a retaining wall plate 3 into a whole, embedding two plate end tenons 4 at two opposite ends of the retaining wall plate 3 into two opposite pile top edge mortises 2 of two adjacent prefabricated concrete square piles 1 respectively to form a basic assembly unit, and connecting and extending a plurality of basic assembly units to form a complete retaining wall revetment; the method specifically comprises the following steps of sinking the pile body of two adjacent precast concrete square piles 1 to the lower end of the pile top edge mortise 2 under the condition that the edge distance between the two adjacent precast concrete square piles 1 is equal to the width of the baffle plate 3. At the moment, the retaining wall plate 3 is inserted downwards, after the mortises 2 at the two pile top edges at the two opposite ends of the retaining wall plate 3 are respectively embedded with the corresponding plate end tenon edges 4, the reserved slot gaps 9 formed between the inner walls of the mortises 2 at the pile top edges and the outer walls of the plate end tenon edges 4 are filled and sealed by adopting self-leveling type two-component polysulfide sealant 10; then, filling filter materials 11 in a layered manner within 30cm of the backwater side of the retaining wall plate 3 until the design elevation; the whole body forms a fully prefabricated formula pile type ecological retaining wall bank protection.
In the above, the distance between the central lines of two adjacent square piles 1 is 1.0 to 1.5 m.
In the foregoing, the earthwork between two adjacent square piles 1 is excavated to the bottom end of the pile top edge mortise 2, and the undisturbed soil base surface is tamped and leveled to the bottom end of the pile top edge mortise 2.
In the foregoing, the length of the pile top edge mortise 2 is the same as the length of the plate end edge mortise 4, and the top elevation of the plate end edge mortise 4 is the same as the top elevation of the pile top edge mortise 2.
In the foregoing, the size of the cross section of the precast concrete square pile 1 should not be less than 300mm × 300mm, the depth of the pile top side mortise 2 is 100mm, the width of the pile top side mortise 2 is 100mm, and the length of the pile top side mortise 2 should not be greater than 1000 mm.
In the foregoing, the middle parts of the left and right side edges of the retaining wall plate 3 are respectively provided with the strip-shaped plate end tenon edges 4 protruding from the middle parts of the left and right side edges, the front and rear sides of the plate end tenon edges 4 are respectively provided with the plate edge tenon cheeks 5 lower than the same side surface of the retaining wall plate 3, and the 75-105-degree folded plate edge tenon shoulders 6 are arranged between the plate edge tenon cheeks 5 and the outer wall of the same side surface of the retaining wall plate 3; the depth of the top edge mortise 2 is 20-30 mm greater than the embedding length of the board end tenon edge 4, and the board end tenon edge 4, the board edge tenon cheek 5 and the board edge tenon shoulder 6 are all embedded into the top edge mortise 2.
In the foregoing, the width of the pile top edge mortise 2 should be 2-3 mm greater than the thickness of the baffle plate 3.
In the foregoing, the precast concrete square pile 1 is of a reinforced concrete structure, and the strength thereof is C30; the partition wall 3 is a reinforced concrete structure, and the strength of the structure is not lower than C25.
In the foregoing, the minimum reinforcement ratio of the retaining wall plate 3 is 0.15, the longitudinal and transverse reinforcement is HRB 40020 Φ 150, and the reinforcement single layer is arranged in the center.
In the foregoing, the width of the board end tenon edge 4 is 70-80 mm, the length of the board edge tenon shoulder 6 is 70-80 mm, and the width of the board edge tenon shoulder 6 is 10 mm.
In the foregoing, 3 board bodies of barricade board reserve pore 8, and pore 8 is plum blossom shape and distributes, and pore 8 diameter is 2 ~ 3cm, and 8 intervals in the pore must not be less than 10 cm.
In the above, the specification of the composite geotextile 7 is 250g/m2～300g/m2The polyester filament geotextile has the warp-wise breaking strength of not less than 65KN/m, the weft-wise breaking strength of not less than 58KN/m, the tearing strength of not less than 1.0KN, the bursting strength of not less than 5.5KN/m and the vertical permeability coefficient of 10-2～103cm/s, and the equivalent aperture phi 95 is between 0.1 and 0.2 mm.
In the foregoing, the size of the composite geotextile 7 should be the same as the size of the back water side vertical surface of the retaining wall plate 3, and the geotextile and the retaining wall plate are bonded into a whole by environment-friendly building glue.
The embodiment of the utility model provides an in, 1 pile sinking position precision of precast concrete square pile will be accurate, and the central line and the straightness that hangs down of square pile 1 must accord with the installation accuracy. The strength of the baffle plate 3 must meet the design requirement, and the geometric dimension error of the structure accords with the installation precision. The filtering material 11 is a fine sand layer, a coarse sand layer, a gravel layer and a rock block layer for slope drainage of the ecological bank protection structure, and can drain seepage water from the side slope body without losing earth and stone space of the filling embankment body.
In the embodiment of the utility model, the precast concrete square pile 1 and the retaining wall plate 3 are made by manufacturers with corresponding qualifications; the composite geotextile 7 is cut into a certain geometric size according to requirements, and then is bonded with the back surface of the partition plate 3 into a whole through environment-friendly building glue; the water-back side of the partition board 3 is filled with sand and stone filter materials 11 in a layered mode within the range of 30cm until the designed elevation is reached; before pouring, the self-flowing two-component polysulfide sealant 10 firstly ensures that the surface of a joint must be completely dry, clean and frost-free, and all dust and cement grout on the surface must be cleaned; after the self-flowing two-component polysulfide sealant 10 is prepared in proportion, the sealant is directly poured into gaps and used up within 2 hours as soon as possible, and the sealant can not be constructed after being cured, so that waste caused by curing of paste is avoided; the A, B component in the self-flowing two-component polysulfide sealant 10 must be uniformly mixed, no matter machine mixing or manual mixing, color difference cannot be caused, if the mixing is not uniform, the curing is slow or the curing is not carried out for a long time, or the adhesive force is lost, thereby affecting the engineering quality; the self-flow type double-component polysulfide sealant can not be constructed in 10 rainy days, is not suitable for construction at the temperature of below 5 ℃, and avoids water-washing rain within 48 hours after construction; adaptation of soil foundation: the prefabricated square pile can be sunk into soil by adopting steel sheath static pressure or vibration for general soil layers such as mucky soil, silt soil, backfill soil and the like.
In the embodiment of the utility model, the precast concrete square pile 1 is generally not suitable for pile cutting, and if the pile cutting is required in special situations, effective measures are adopted to ensure the quality after pile cutting; the pile cutting device is a pile sawing device such as a concrete cutter, a hydraulic hoop type square pile cutting machine and the like, and a sledge hammer is strictly forbidden to be used for transversely knocking and cutting the pile or forcibly pulling and pulling the pile.
Example 2: as shown in the attached fig. 5 and 6: at least one side surface of the board end tenon edge 4 is provided with a board rubber groove 13, and the side wall of the corresponding pile top edge tenon groove 2 is provided with a pile rubber groove 12; after the pile top edge mortise 2 and the plate end edge mortise 4 are inserted, the plate glue groove 13 is aligned with the pile glue groove 12, and the self-leveling two-component polysulfide sealant 10 is injected into the pile glue groove.
The meaning of "and/or" in the present invention means that the direction of the backwater side of the directional ecological retaining wall is inward, and outward, rather than to the material of the present invention is specifically limited, for the fully prefabricated assembled ecological retaining wall itself.
The meaning of "both ends" or "both ends" in the present invention means the left and right sides of the reader when the reader is right facing the drawings, not the special limitation of the material of the present invention. The term "assembled" may mean either a direct connection between components or an indirect connection of components via other components.
It is obvious that the described embodiments are only some of the embodiments of the present application, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. The fully-prefabricated square pile type ecological retaining wall revetment comprises a prefabricated concrete square pile (1) and a retaining plate (3); the method is characterized in that: the two opposite side walls of the top section of the precast concrete square pile (1) are correspondingly provided with tenon grooves (2) at the top edge of the pile; the edges of the two ends of the baffle plate (3) are respectively provided with a plate end tenon edge (4); the baffle plate (3) is embedded into the pile top edge mortise (2) of two adjacent precast concrete square piles (1) by the plate end tenons (4) at the edges of two ends respectively, and the length of the pile top edge mortise (2) is the same as that of the plate end tenons (4); the baffle plate (3) is provided with a plate hole (8).
2. The fully-prefabricated square-pile ecological retaining wall revetment according to claim 1, wherein: the back side surface of the baffle plate (3) is bonded with the composite geotextile (7) into a whole.
3. The fully-prefabricated square-pile ecological retaining wall revetment according to claim 1, wherein: and a reserved slot gap (9) formed between the inner wall of the pile top edge tenon slot (2) and the outer wall of the plate end tenon edge (4) is filled and sealed by adopting a self-leveling type two-component polysulfide sealant (10).
4. The fully-prefabricated square-pile ecological retaining wall revetment according to claim 1, wherein: and (3) filling a filter material (11) in layers within 30cm of the backwater side of the partition board (3).
5. The fully-prefabricated square-pile ecological retaining wall revetment according to claim 1, wherein: the middle parts of the left and right side edges of the baffle plate (3) are respectively provided with a strip-shaped plate end tenon edge (4), the front side and the rear side of the plate end tenon edge (4) are respectively provided with a plate edge tenon cheek (5) which is lower than the same side surface of the baffle plate (3), and a 75-105-degree turnover plate edge tenon shoulder (6) is arranged between the plate edge tenon cheek (5) and the outer wall of the same side surface of the baffle plate (3).
6. The fully-prefabricated square-pile ecological retaining wall revetment according to claim 1, wherein: the plate holes (8) are distributed in a quincunx shape.
7. The fully-prefabricated square-pile ecological retaining wall revetment according to claim 1, wherein: at least one side surface of the board end tenon edge (4) is provided with a board rubber groove (13), and the side wall of the corresponding pile top edge tenon groove (2) is provided with a pile rubber groove (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120735085.3U CN214695414U (en) | 2021-04-12 | 2021-04-12 | Full prefabricated square pile type ecological retaining wall revetment |
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| CN202120735085.3U CN214695414U (en) | 2021-04-12 | 2021-04-12 | Full prefabricated square pile type ecological retaining wall revetment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753298A (en) * | 2022-04-20 | 2022-07-15 | 中国建筑第七工程局有限公司 | River channel slope protection pile plate supporting system and construction method thereof |
| CN115233745A (en) * | 2022-07-26 | 2022-10-25 | 中交三航局第三工程有限公司 | Geotextile wrapping method for preventing penetration around pile body of pipe pile of revetment structure |
| CN115419018A (en) * | 2022-10-11 | 2022-12-02 | 广东吴川建筑安装工程有限公司 | Ecological river course barricade protection machanism |
-
2021
- 2021-04-12 CN CN202120735085.3U patent/CN214695414U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753298A (en) * | 2022-04-20 | 2022-07-15 | 中国建筑第七工程局有限公司 | River channel slope protection pile plate supporting system and construction method thereof |
| CN115233745A (en) * | 2022-07-26 | 2022-10-25 | 中交三航局第三工程有限公司 | Geotextile wrapping method for preventing penetration around pile body of pipe pile of revetment structure |
| CN115233745B (en) * | 2022-07-26 | 2023-06-30 | 中交三航局第三工程有限公司 | Geotextile wrapping method for preventing permeation around pile body of pile in revetment structure |
| CN115419018A (en) * | 2022-10-11 | 2022-12-02 | 广东吴川建筑安装工程有限公司 | Ecological river course barricade protection machanism |
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