CN217601349U - River dredging and supporting structure for drainage of waterlogging in coastal city - Google Patents
River dredging and supporting structure for drainage of waterlogging in coastal city Download PDFInfo
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- CN217601349U CN217601349U CN202221916124.0U CN202221916124U CN217601349U CN 217601349 U CN217601349 U CN 217601349U CN 202221916124 U CN202221916124 U CN 202221916124U CN 217601349 U CN217601349 U CN 217601349U
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- 239000002131 composite material Substances 0.000 claims abstract description 123
- 239000011210 fiber-reinforced concrete Substances 0.000 claims abstract description 74
- 239000000835 fiber Substances 0.000 claims abstract description 48
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000011065 in-situ storage Methods 0.000 claims description 41
- 239000011380 pervious concrete Substances 0.000 claims description 38
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 241001464837 Viridiplantae Species 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000004567 concrete Substances 0.000 abstract description 11
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- 239000004568 cement Substances 0.000 description 2
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- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
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- 239000011150 reinforced concrete Substances 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a supporting construction is dredged in coastal city waterlogging drainage river course, including the dry stone bank protection, one side of dry stone bank protection is provided with the drilling and fills basalt composite fiber reinforced concrete pile, and the drilling fills the top of basalt composite fiber reinforced concrete pile and is equipped with cast-in-place basalt composite fiber reinforced concrete cushion cap, the top of cast-in-place basalt composite fiber reinforced concrete cushion cap is connected with prefabricated basalt composite fiber muscle vegetation concrete bucket that permeates water, and prefabricated basalt composite fiber muscle vegetation concrete bucket and cast-in-place basalt composite fiber reinforced concrete cushion cap and the junction of dry stone bank protection all are provided with the bed of fill. According to the coastal city waterlogging drainage river channel dredging support structure, after the supporting layer is poured in a single-pile drilling and basalt composite fiber reinforced concrete pile form, the pile body is good in vertical and lateral stress, the stability of a bank slope can be greatly improved, and the dredging depth can be remarkably increased.
Description
Technical Field
The utility model relates to an urban drainage waterlogging technical field specifically is a supporting construction is dredged in coastal urban drainage waterlogging river course.
Background
The urban river channel is an important component of a river network water system, and has multiple functions of flood control, flood drainage, shipping and the like, in the long-term flood drainage and flood drainage process of the river channel, water impurities and silt are continuously precipitated to cause serious river channel silting, the river bed is continuously raised, the stability of the bank slope of the existing river channel is reduced, the ecological environment of the river channel is damaged, the flood drainage and flood drainage safety of the river channel is seriously influenced, and the normal production and life of residents on two sides of the river bank are threatened. Dredging the river channel, effectively removing river bottom sludge, improving flood discharge and waterlogging discharge capacity of the river channel, and being an effective method for treating river channel siltation. Before sludge in the river channel is cleaned, water in the river channel is drained, then the sludge in the river channel is dug out by a dry-digging method and an excavator and stacked in a proper place, and the sludge can be timely transported away by using a muck truck under the condition. When dredging a river channel, the basic appearance of the river channel is kept, and the stability and the safety of buildings near two sides of a river bank in the construction process are ensured. The city river course is peripheral more buildings, and the building has applyed relatively great load to the river course bank slope, will fully guarantee the stability of bank slope and just need carry out effectual strut to it, and the mode of strutting needs select according to the actual conditions of bank slope. In the dredging of river channels, the commonly used supporting methods include cement mixing piles, prefabricated reinforced concrete piles, wooden piles and the like.
However, solitary pile body supports the river course and appears easily, and the slope initiation bank slope unstability very easily takes place for the pile body to prefabricated single pile wholeness is poor, and under the effect of both sides soil pressure, the inward and condition that leans out of pile body all can take place, and the bank slope roughness after leading to strutting is great and the smooth nature of surface of overflowing is relatively poor, can produce great influence to flood passage and drainage, for this reason, we provide a coastal city drainage river course dredging supporting structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a supporting construction is dredged in coastal city drainage river course to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a supporting construction is dredged to coastal city drainage waterlogging river course, includes:
the dry masonry slope protection method comprises the following steps of (1) forming a dry masonry slope protection, wherein one side of the dry masonry slope protection is provided with a drill hole filling basalt composite fiber reinforced concrete pile, the top of the drill hole filling basalt composite fiber reinforced concrete pile is provided with a cast-in-situ basalt composite fiber reinforced concrete bearing platform, the top of the cast-in-situ basalt composite fiber reinforced concrete bearing platform is connected with a prefabricated basalt composite fiber bar vegetation pervious concrete barrel, the joints of the prefabricated basalt composite fiber bar vegetation pervious concrete barrel, the cast-in-situ basalt composite fiber reinforced concrete bearing platform and the dry masonry slope protection are provided with soil filling layers, one side of the drill hole filling basalt composite fiber reinforced concrete pile is provided with a dredging elevation line, and a silting elevation line is arranged above the dredging elevation;
and the hydrophobic green plants are arranged on the top of the filling layer and the top of the prefabricated basalt composite fiber bar vegetation pervious concrete barrel.
Preferably, the cast-in-situ basalt composite fiber reinforced concrete bearing platform is further provided with:
and the access door is arranged inside the cast-in-situ basalt composite fiber reinforced concrete bearing platform.
Preferably, the height difference range between the top of the drill hole perfusion basalt composite fiber reinforced concrete pile and the deposition elevation line is 0.5-1.0m, the drill hole perfusion basalt composite fiber reinforced concrete pile is of a cylindrical structure, and the distance between the two sets of drill hole perfusion basalt composite fiber reinforced concrete piles is 50cm.
Preferably, the prefabricated basalt composite fiber bar vegetation pervious concrete barrels are uniformly distributed along the interior of the cast-in-situ basalt composite fiber reinforced concrete bearing platform at equal intervals, and the thickness range of the other end of the cast-in-situ basalt composite fiber reinforced concrete bearing platform is 30-50cm.
Preferably, the height difference range between the bottom of the cast-in-situ basalt composite fiber reinforced concrete bearing platform and the silting elevation line is 0.8-1.0m, the cast-in-situ basalt composite fiber reinforced concrete bearing platform is of an L-shaped structure, and the thickness range of one end of the cast-in-situ basalt composite fiber reinforced concrete bearing platform is 15-20cm.
Preferably, the prefabricated basalt composite fiber bar vegetation pervious concrete barrel is formed by prefabricating pervious concrete, and basalt composite fiber bars with the diameter range of 5-8mm are arranged inside the prefabricated basalt composite fiber bar vegetation pervious concrete barrel along the circumference and the vertical direction.
Preferably, a round hole with the aperture range of 10-15cm is formed in the prefabricated basalt composite fiber bar vegetation pervious concrete barrel, and a hole matched with the inner round hole of the prefabricated basalt composite fiber bar vegetation pervious concrete barrel is formed in the cast-in-situ basalt composite fiber bar concrete bearing platform.
Compared with the prior art, the utility model provides a supporting construction is dredged to coastal city drainage waterlogging river course possesses following beneficial effect:
1. after the basalt composite fiber reinforced concrete pile is poured into the bearing stratum in a single-pile drilling and pouring mode, the pile body is well stressed vertically and laterally, the stability of a bank slope can be greatly improved, and the dredging depth can be remarkably increased; meanwhile, the pile bodies are connected in a cast-in-place mode, the integrity and the overflowing smoothness of the supporting structure are strengthened, the stability of the supporting structure is greatly improved, and flood discharge and waterlogging drainage of a river channel are facilitated; 2. the cast-in-situ basalt composite fiber reinforced concrete bearing platform is arranged at the top of the pile which is filled with basalt composite fiber reinforced concrete in the drill hole, so that the connection between the pile body and the pile body is firmer, and the upper part of the pile can be planted with hydrophobic green plants, so that the space of an urban river channel is fully utilized, and the river channel is beautified; the prefabricated basalt composite fiber rib vegetation pervious concrete barrel has good water permeability and is beneficial to plant growth; 3. basalt composite fiber bars are adopted for replacing steel bars in the supporting structure and the pervious concrete barrel, so that the risk of corrosion damage of chloride ions is greatly reduced, the durability of the supporting structure is greatly improved, and the service life of the structure is prolonged; under the condition that the dry masonry revetment in the original city is not changed, transition platforms are arranged on two sides of the river channel and are supplemented through a filling layer, so that the aquatic organisms inhabit and the activities of other hydrophilic organisms are facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a side view structure of the cast-in-situ basalt composite fiber reinforced concrete bearing platform of the utility model;
FIG. 3 is a schematic view of the overlooking structure of the prefabricated basalt composite fiber reinforced plant-growing pervious concrete bucket of the present invention;
fig. 4 is a schematic view of a overlooking structure of the prefabricated basalt composite fiber bar vegetation pervious concrete bucket of the utility model;
fig. 5 is the overlooking structure schematic diagram of the prefabricated basalt composite fiber bar vegetation pervious concrete bucket of the utility model.
In the figure: 1. drilling and pouring basalt composite fiber reinforced concrete piles; 2. casting basalt composite fiber reinforced concrete bearing platform in situ; 3. prefabricating a basalt composite fiber bar planting pervious concrete barrel; 4. filling a soil layer; 5. an access door; 6. hydrophobic green plants; 7. dry masonry revetment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1, a river dredging support structure for drainage of stagnant water in coastal cities comprises: the dry masonry slope protection method comprises the following steps that a dry masonry slope protection 7 is arranged, one side of the dry masonry slope protection 7 is provided with a drill hole poured basalt composite fiber reinforced concrete pile 1, the top of the drill hole poured basalt composite fiber reinforced concrete pile 1 is provided with a cast-in-place basalt composite fiber reinforced concrete bearing platform 2, the height difference range between the top of the drill hole poured basalt composite fiber reinforced concrete pile 1 and a siltation elevation line is 0.5-1.0m, the drill hole poured basalt composite fiber reinforced concrete pile 1 is of a cylindrical structure, the distance between two sets of drill hole poured basalt composite fiber reinforced concrete piles 1 is 50cm, after the pile body is poured to a bearing layer in a single pile drill hole poured basalt composite fiber reinforced concrete pile 1 mode, the vertical and lateral stress of the pile body is good, the stability of a bank slope can be greatly improved, the siltation depth can be remarkably increased, one side of the drill hole poured basalt composite fiber reinforced concrete pile 1 is provided with a siltation elevation line, and a siltation elevation line is arranged above the siltation elevation line; meanwhile, the pile body and the pile body are connected in a cast-in-place mode, the integrity and the flow smoothness of the supporting structure are strengthened, the stability of the supporting structure is greatly improved, flood running and waterlogging drainage of a river channel are facilitated, the hydrophobic green planting 6 is arranged on the top of a filling layer 4 and the top of a prefabricated basalt composite fiber bar vegetation permeable concrete barrel 3, the cast-in-place basalt composite fiber reinforced concrete bearing platform 2 is arranged on the top of a drilling and pouring basalt composite fiber reinforced concrete pile 1, connection between the pile body and the pile body is firmer, the hydrophobic green planting 6 can be planted on the upper portion of the pile body, the space of the urban river channel is fully utilized, and the river channel is beautified.
As shown in fig. 2 to 5, a coastal city waterlogging draining river channel dredging supporting structure comprises: the top of the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is connected with a prefabricated basalt composite fiber bar vegetation pervious concrete barrel 3, the prefabricated basalt composite fiber bar vegetation pervious concrete barrel 3 has good water permeability and is beneficial to plant growth, the prefabricated basalt composite fiber bar vegetation pervious concrete barrel 3 is prefabricated by pervious concrete, basalt composite fiber bars with the diameter range of 5-8mm are circumferentially and vertically arranged inside the prefabricated basalt composite fiber bar vegetation pervious concrete barrel 3, the joints of the prefabricated basalt composite fiber bar vegetation pervious concrete barrel 3, the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 and the dry masonry protection slope 7 are respectively provided with a filling layer 4, the prefabricated basalt composite fiber bar vegetation pervious concrete barrels 3 are uniformly distributed along the interior of the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 at equal intervals, the thickness range of the other end of the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is 30-50cm, the height difference range of the bottom of the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 and a silted elevation line is 0.8-1.0m, the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is of an L-shaped structure, the thickness range of one end of the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is 15-20cm, reinforcing steel bars are replaced by basalt composite fiber bars in the supporting structure and the permeable concrete barrel, the risk of corrosion damage of chloride ions is greatly reduced, the durability of the supporting structure is greatly improved, the service life of the structure is prolonged, round holes with the aperture range of 10-15cm are formed in the prefabricated basalt composite fiber bar plant-growing permeable concrete barrel 3, and round holes matched with the round holes in the prefabricated basalt composite fiber bar plant-growing permeable concrete barrel 3 are formed in the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 The holes are provided with transition platforms on two sides of the river channel under the condition of not changing the dry masonry revetment 7 in the original city, and are supplemented by the filling layer 4, so that the water biological inhabitation and the activities of other hydrophilic organisms are facilitated; the access door 5, its inside of installing at cast-in-place basalt composite fiber reinforced concrete cushion cap 2, the setting of access door 5, not only the flood period plays the manger plate effect, when overhauls such as cushion cap and staving, can supply the staff to pass through moreover.
The working principle is as follows: when the coastal city waterlogging drainage river channel dredging support structure is used, the stratum geological condition of a river channel bank slope support section is explored, a drilled basalt composite fiber reinforced concrete pile 1 is designed according to the stratum geological condition, the pile body is circular, the length is easy to be 3-20m, the lower part of the pile body is ensured to be positioned on a bearing layer, the upper structure is firmly supported, large force can be borne, the upper part of the pile body is about 0.5-1.0m higher than a siltation elevation line, and the cross section size of the pile body is determined according to force calculation; before construction, binding basalt composite fiber ribs, using a galvanized steel pipe as a concrete pouring mold, putting the pouring mold into a hole in the drilling process, putting the bound basalt fiber composite rib cage, then pouring concrete, easily adopting early strength type in cement to form a drilling and pouring basalt composite fiber reinforced concrete pile 1, wherein the distance between a pile body and the pile body is about 50cm, the pile bodies are connected by adopting the poured basalt composite fiber reinforced concrete, the pile bodies are connected by adopting the basalt composite fiber ribs, the basalt composite fiber rib joints in the wall body or the pile body respectively penetrate into the pile body or the wall body by 0.5-1.0m before the pouring, and are bound by using basalt composite fiber ropes soaked in epoxy resin, and then the concrete pouring is integrated into a whole; the thickness of a cast-in-situ basalt composite fiber reinforced concrete wall between pile bodies is about 15-20cm, the upper part of the cast-in-situ basalt composite fiber reinforced concrete wall is flush with the pile bodies, the lower part of the cast-in-situ basalt composite fiber reinforced concrete wall is about 0.8-1.0m below a desilting elevation, after the pile bodies and the wall bodies are poured, desilting work is started, and sludge at a supporting section is cleaned to the desilting elevation; a bearing platform is poured on the pile body and the wall body, one end of a cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is positioned on the pile body and the wall body, and the other end is connected with an existing retaining wall of a dry masonry revetment 7; before pouring, grouting is carried out at the joint of the retaining wall and the bearing platform of the existing dry masonry protection slope 7, so that the stability of the existing dry masonry protection slope 7 at the joint of the bearing platform is ensured; when the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is poured, a 10-15cm hole is reserved at the position where the prefabricated basalt composite fiber reinforced plant-growing pervious concrete barrel 3 is placed at the bottom of the bearing platform plate to provide a space for the subsequent plant root system growth to develop downwards, each 15-20 barrel intervals are a cast-in-situ bearing platform unit, and an access door 5 is arranged between the bearing platform units, so that the water retaining effect is achieved in the flood period, and workers can pass through the bearing platform and the barrel body during the maintenance; a cast-in-place concrete ridge with the height of about 30-50cm is reserved at the edge of the cast-in-place basalt composite fiber reinforced concrete bearing platform 2 towards the water side, so that the stability of the vegetation pervious concrete barrel under the action of high-speed water flow is improved; after the cast-in-situ basalt composite fiber reinforced concrete bearing platform 2 is poured, a prefabricated basalt composite fiber rib vegetation pervious concrete barrel 3 is placed on the cast-in-situ basalt composite fiber reinforced concrete bearing platform, the whole body material of the prefabricated basalt composite fiber rib vegetation pervious concrete barrel 3 is prefabricated by pervious concrete, the water permeability coefficient is 5-10 times of the filling water permeability coefficient, and in order to improve the integrity and the structural strength of the barrel, basalt composite fiber ribs with the diameter of 5-8mm are arranged inside the barrel body along the circumference and the vertical direction; the lower part of a 3 barrel body of a prefabricated basalt composite fiber bar vegetation pervious concrete barrel is provided with a hole, the hole diameter is about 10-15cm and corresponds to a bearing platform hole, a plane is reserved between the barrel and the side wall of the barrel, the width of the outer plane is about 1/3 of the diameter of the barrel, the whole body is tightly contacted, the barrel and the two sides of the bearing platform are filled with soil to form a filling layer 4, and finally the process is repeated until dredging work is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a supporting construction is dredged to coastal city drainage waterlogging river course which characterized in that includes:
the dry masonry slope protection device comprises a dry masonry slope protection (7), wherein a drill hole filling basalt composite fiber reinforced concrete pile (1) is arranged on one side of the dry masonry slope protection (7), a cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) is arranged at the top of the drill hole filling basalt composite fiber reinforced concrete pile (1), a prefabricated basalt composite fiber bar vegetation pervious concrete barrel (3) is connected to the top of the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2), a soil filling layer (4) is arranged at the joint of the prefabricated basalt composite fiber bar vegetation pervious concrete barrel (3), the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) and the dry masonry slope protection (7), a dredging elevation line is arranged on one side of the drill hole filling basalt composite fiber reinforced concrete pile (1), and a siltation elevation line is arranged above the dredging elevation line;
and the hydrophobic green plants (6) are arranged on the top of the filling layer (4) and the prefabricated basalt composite fiber bar vegetation pervious concrete barrel (3).
2. The coastal city waterlogging drainage river channel dredging support structure of claim 1, wherein the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) is further provided with:
and the access door (5) is arranged inside the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2).
3. The coastal city waterlogging drainage river dredging support structure of claim 1, wherein the height difference between the top of the drill hole pouring basalt composite fiber reinforced concrete pile (1) and the silted elevation line is in the range of 0.5-1.0m, the drill hole pouring basalt composite fiber reinforced concrete pile (1) is of a cylindrical structure, and the distance between the two sets of drill hole pouring basalt composite fiber reinforced concrete piles (1) is 50cm.
4. The coastal city waterlogging drainage river dredging support structure of claim 1, wherein the prefabricated basalt composite fiber bar vegetation pervious concrete buckets (3) are uniformly distributed along the interior of the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) at equal intervals, and the thickness range of the other end of the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) is 30-50cm.
5. The coastal city waterlogging drainage river channel dredging and supporting structure as claimed in claim 1, wherein the height difference range between the bottom of the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) and the silting elevation line is 0.8-1.0m, the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) is of an L-shaped structure, and the thickness range of one end of the cast-in-situ basalt composite fiber reinforced concrete bearing platform (2) is 15-20cm.
6. The coastal city waterlogging drainage river dredging support structure of claim 1, wherein the prefabricated basalt composite fiber bar vegetation pervious concrete bucket (3) is prefabricated by pervious concrete, and basalt composite fiber bars with a diameter range of 5-8mm are circumferentially and vertically arranged inside the prefabricated basalt composite fiber bar vegetation pervious concrete bucket (3).
7. The coastal city waterlogging drainage river dredging and supporting structure of claim 1, wherein the prefabricated basalt composite fiber rib vegetation pervious concrete bucket (3) is internally provided with a round hole with the aperture range of 10-15cm, and the cast-in-situ basalt composite fiber rib vegetation pervious concrete bearing platform (2) is provided with a hole matched with the inner round hole of the prefabricated basalt composite fiber rib vegetation pervious concrete bucket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916124.0U CN217601349U (en) | 2022-07-25 | 2022-07-25 | River dredging and supporting structure for drainage of waterlogging in coastal city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916124.0U CN217601349U (en) | 2022-07-25 | 2022-07-25 | River dredging and supporting structure for drainage of waterlogging in coastal city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217601349U true CN217601349U (en) | 2022-10-18 |
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ID=83593319
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221916124.0U Expired - Fee Related CN217601349U (en) | 2022-07-25 | 2022-07-25 | River dredging and supporting structure for drainage of waterlogging in coastal city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217601349U (en) |
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2022
- 2022-07-25 CN CN202221916124.0U patent/CN217601349U/en not_active Expired - Fee Related
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Granted publication date: 20221018 |