CN117071502B - Shallow water river bank protection and construction method thereof - Google Patents
Shallow water river bank protection and construction method thereof Download PDFInfo
- Publication number
- CN117071502B CN117071502B CN202311060627.1A CN202311060627A CN117071502B CN 117071502 B CN117071502 B CN 117071502B CN 202311060627 A CN202311060627 A CN 202311060627A CN 117071502 B CN117071502 B CN 117071502B
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- river
- warning
- water level
- pontoon
- river course
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 238000005188 flotation Methods 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 16
- 239000002023 wood Substances 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004308 accommodation Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/16—Buoys specially adapted for marking a navigational route
- B63B22/166—Buoys specially adapted for marking a navigational route comprising a light
Abstract
The application relates to the technical field of river protection, be 3.28m for the average water level, 4.40m for many years average high water level, 3.12m for many years average low water level, the highest water level of history is 5.43m, the lowest water level of history is 2.61 m's river course and is administered, a shallow water river course shore protection and construction method thereof is disclosed, including the shore protection main part that sets up at the river course side, the bottom of shore protection main part is located under the water level, the side that the shore protection main part is close to the river course center still is provided with buffer area, be provided with the stake on the buffer area, the stake sets up with river course side to river course center direction interval, and along the river course array arrangement, be provided with the filter screen plate between the adjacent two stake, form the ecological planting unit groove that is used for planting aquatic plant between the filter screen plate, be connected with the warning flotation pontoon through the connecting unit in the middle of the stake of being closest to the river course. The river sand fixing device can achieve a river sand fixing effect, meanwhile, can give channel indication, and reduces the risk of stranding of the ship during channel navigation.
Description
Technical Field
The application relates to the technical field of river protection, in particular to a shallow water river bank protection and a construction method thereof.
Background
River bank protection needs to be designed based on actual river conditions, and is generally arranged in a shallow water area of a river.
Taking a river channel in the south area as an example, taking the water level data of the station for monitoring for nearly 70 years, wherein the average water level of the station for many years is 3.28m, the average high water level for many years is 4.40m, the average low water level for many years is 3.12m, the highest historical water level is 5.43m, and the lowest historical water level is 2.61m.
Based on such river course, can satisfy light navigation requirement, but because the power of flowing of river course side rivers weakens, just relatively easily silted up silt at the side of river course itself, especially the wave that the ship produced when sailing in the middle of the river course can take the silt to wash to the side, leads to more silt silts up.
Disclosure of Invention
In order to solve the problem of silt and silt in the shallow water area of the current river channel, the application provides a shallow water river channel revetment and a construction method thereof.
In a first aspect, the present application provides a shallow water river bank protection, which adopts the following technical scheme:
the utility model provides a shallow water river bank revetment, includes the revetment main part that sets up at the river course side, the bottom of revetment main part is located under the water level, the side that the revetment main part is close to the river course center still is provided with buffer zone, be provided with the stake on the buffer zone, the stake sets up with river course side to river course center direction interval, and arrange along the river course trend and form the array and arrange, adjacent two set up the filter screen board between the stake, a plurality of the filter screen board be the array arrange and in form a plurality of ecological planting unit groove between the filter screen board, ecological planting unit groove fills river course silt and plants aquatic plant, be closest to the river course centre be connected with the warning flotation pontoon through connecting unit on the stake, connecting unit is including setting up stay cord on the stake and setting up the location rope in the warning flotation pontoon outside, the both ends of location rope with the position at both sides wall middle part links to each other, just the length of location rope is greater than the axial length of warning flotation pontoon is so that the warning flotation pontoon can be in the interval that the location rope forms, the one end of stay cord is connected on the stake is in the water level, and is in the same with the water level when the level is in the level is perpendicular to the level, and is in the level of the level is at the level.
Through adopting above-mentioned technical scheme, the aquatic plant planted in the buffer area can play the effect of fixed river sand, and the filter screen board can avoid the loss of river sand, and the warning flotation pontoon can play navigation instruction's effect simultaneously, and under normal water level state, the warning flotation pontoon can transversely float on the surface of water, and when the water level risees, the warning flotation pontoon can rotate into vertical state still can play the effect of channel warning.
Optionally, the stake is arranged along river course interval staggered arrangement, the filter screen board includes by river course side to river course center to the first filter plate of river course flow direction slope and by river course side to river course center back to the second filter plate of river course flow direction slope, wherein the height of first filter plate is higher than the height of second filter plate.
By adopting the technical scheme, as the height of the first filter plate is higher than that of the second filter plate, water waves generated by ship navigation and the flow direction of the river course are combined to form oblique flow, and river sand brought by the water waves can be well intercepted by the first filter plate; meanwhile, when the ship is not in use, under the action of water flow, after the water flow passes through the guide of the first filter plate, the disturbance force towards the central direction can be formed, and the flow force of the warning pontoon towards the central direction of the river channel can be given, so that the warning pontoon can move towards the central direction of the river channel when the low-water-level stay rope and the positioning rope are not vertically straightened, the water level at the center of the river channel can be higher, the navigation boundary can move along with the change of the water level, and the navigation safety can be ensured.
Optionally, the height of the wood piles extending out of the river bottom is lower than the height of the first filter plate
Through adopting above-mentioned technical scheme, can play the supporting effect through the stake to first filter plate.
Optionally, the pull rope and the positioning rope are of an integrated structure.
By adopting the technical scheme, the stability between the pull rope and the positioning rope can be kept.
Optionally, positioning rings are fixed on two sides of the warning pontoon, and the positioning rope is fixed on the positioning rings.
By adopting the technical scheme, the stability of the positioning ring fixed on the warning buoy is improved.
Optionally, be provided with the rolling pressure ball in the warning flotation pontoon, the warning flotation pontoon is inside to be offered along the axial and supplies the rolling interval that the pressure ball removed, the one end in the warning flotation pontoon is provided with the prying plate, the prying plate sets up and is being close to one side of reference column, the prying plate middle part rotates to be connected in the warning flotation pontoon, the one end of prying plate is located in the rolling interval, the other end of prying plate is provided with the touch-control piece, still be provided with in the warning flotation pontoon the touch-control piece lift the back with the switch that the touch-control piece switches on and be controlled by the warning light source of switch.
By adopting the technical scheme, the warning pontoon can rotate under the buoyancy effect due to the limitation of the length of the positioning rope and the stretching after the water level rises; after the water level rises to a certain extent, the warning pontoon is in a vertical state, and the pressure ball in the warning pontoon can push the prying plate so as to enable the touch control sheet to be in contact with the switch to start the warning light source.
Optionally, a magnet is further disposed in the warning buoy, and when the pressing ball does not push the prying plate to rotate, the magnet and the touch control sheet attract each other to enable the touch control sheet to be separated from the switch to close the warning light source.
Through adopting above-mentioned technical scheme, the setting of magnet can make under normal condition, and warning light source can not by the mistake be opened.
Optionally, the rolling section is inclined to the axial of warning cylinder, and the inclination can make the warning cylinder float on ordinary water level the pressure ball can keep away from the prying plate.
By adopting the technical scheme, the warning pontoon can be rotated to a certain bottom
In a second aspect, the present application provides a water river bank protection construction method, which adopts the following technical scheme:
a shallow water river bank protection construction method comprises the following specific steps:
s1, cleaning a river channel, namely cleaning the side edges of the river channel;
s2, piling, namely driving the wood piles into the river bottom according to the set position;
s3, inserting a filter screen plate between the wood piles to form an ecological planting unit groove;
s4, filling river sand in the ecological planting unit groove and planting aquatic plants;
and S5, connecting a warning pontoon on the wood pile closest to the middle of the river channel.
By adopting the technical scheme, the problem of silt and silt in the shallow water area of the current river channel can be solved.
In summary, the present application includes at least one of the following beneficial effects:
1. the ecological planting unit groove is formed by enclosing the filter screen plates, and aquatic plants planted in the ecological planting unit groove can play a role in fixing sand;
2. the warning pontoon is guided by the first filter plate when the water level is low, can deviate to the center of the river channel, and moves to a deeper water position to play a role in sailing warning; the warning light source can be sent out after rotating at high water level, thereby reminding the navigation ship.
Drawings
FIG. 1 is a top view of the overall structure of a river course revetment;
FIG. 2 is a side view of a river revetment;
FIG. 3 is a schematic view of the structure of the buffer area;
FIG. 4 is an internal cross-sectional view of the warning buoy as it floats laterally on the water surface;
figure 5 is an internal cross-sectional view of the alert buoy in a vertical arrangement.
Reference numerals illustrate: 1. a revetment main body; 2. a buffer region; 3. a wood pile; 4. an ecological planting unit groove; 5. a filter screen plate; 51. a first filter plate; 52. a second filter plate; 6. a warning pontoon; 61. ball pressing; 62. a rolling section; 63. a limit clamping hook; 64. prying the plate; 65. a touch control sheet; 66. a switch; 67. a warning light source; 68. a magnet; 7. a pull rope; 8. positioning ropes; 81. and a positioning ring.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
Example 1
Referring to fig. 1 and 2, a shallow water river revetment is disposed on two sides of the river, and includes a revetment main body 1 and a buffer area 2 disposed on one side of the revetment main body 1 near the center of the river. The bottom of the bank protection main body 1 is positioned below the river water level, and aquatic plants are planted in the buffer area 2 to play a role in fixing sand.
Referring to fig. 3, specifically, a plurality of piles 3 are disposed on the buffer area 2, and the piles 3 are disposed at intervals along the direction from the side of the river to the center of the river, and are disposed along the direction of the river to form an array arrangement. A filter screen plate 5 is arranged between every two adjacent wood piles 3, and a plurality of ecological planting unit grooves 4 are formed by enclosing and separating the filter screen plates 5. The ecological planting unit groove 4 is filled with river sand and then aquatic plants are planted, so that the sand fixing effect can be achieved.
The filter screen plate 5 comprises a first filter plate 51 and a second filter plate 52, the first filter plate 51 and the second filter plate 52 are arranged in a crossing manner, wherein the first filter plate 51 is inclined from the side edge of a river to the center of the river to the flow direction of the river, the second filter plate 52 is inclined from the side edge of the river to the center of the river back to the flow direction of the river, and the ecological planting unit groove 4 is formed by encircling the first filter plate 51 and the second filter plate 52.
Further, the wood pile 3 closest to the center of the river is connected with the warning pontoon 6 through the connecting unit, the warning pontoon 6 is a red cylindrical hollow pontoon, and the warning pontoon 6 floats on the surface of the river to play a role in warning the navigation channel, so that the situation that the navigation ship is too close to a shallow water position close to the shore and is stranded is avoided.
The connecting unit comprises a pull rope 7 arranged on the wood pile 3 and a positioning rope 8 arranged outside the warning pontoon 6, positioning rings 81 for connecting the positioning ropes 8 are arranged on two sides of the middle part of the warning pontoon 6, and two ends of the positioning rope 8 are connected with the positioning rings 81. The positioning rope 8 and the pull rope 7 are of an integral structure, and the whole is approximately Y-shaped. The length of the positioning rope 8 is larger than the axial length of the warning buoy 6, and the warning buoy 6 can rotate in the space formed by the positioning rope 8. At normal water level, the pull rope 7 and the positioning rope 8 are in vertical straightening state, and the warning pontoon 6 floats on the water surface transversely.
The stable point of the ship when sailing is changed due to the change of the water level, and particularly when the water level is lowered, the warning buoy 6 needs to be positioned closer to the high water level in the center of the river channel to ensure the sailing safety. Therefore, the present application is further configured so that the warning buoy 6 can be positioned at the center of the river at a low water level. Wherein the height of the first filter plate 51 is higher than that of the second filter plate 52, and the height of the wood piles 3 extending out of the river bottom is lower than that of the first filter plate 51. Since the first filter plate 51 is disposed obliquely along the flow direction of the river, drainage of the river water in the center direction of the river is generated when the river water passes through the first filter plate 51. When the water level is lowered, the pull rope 7 and the positioning rope 8 are not tensioned vertically, so that the warning pontoon 6 can be driven to move towards the deep water level in the center of the river channel.
Referring to fig. 3, 4 and 5, in addition, since the positioning ropes 8 are connected to both ends of the warning buoy 6 at a high water level, the warning buoy 6 is pulled to rotate by the positioning ropes 8 and the pulling ropes 7 at the high water level. The warning pontoon 6 is internally provided with a rolling ball 61, and the warning pontoon 6 is internally provided with a rolling zone 62 for the rolling ball 61 to move along the axial direction. When the warning pontoon 6 floats transversely on the water surface, the pressing ball 61 is positioned at the lower end of the warning pontoon 6, and the gravity of the pressing ball 61 is equivalent to a balancing weight, so that the warning pontoon 6 can stably maintain a fixed transverse floating position. Meanwhile, in order to ensure the rotation stability of the warning buoy 6, the pressing ball 61 and the rolling zone 62 are both positioned on one side of the warning buoy 6 in the axial direction of the warning buoy 6, so that the weight of the side is heavy, and the side of the warning buoy 6 can face downwards at a high water level.
The rolling section 62 is formed by a cylinder built in the warning buoy 6, the rolling section 62 is arranged obliquely as a whole to avoid the free rolling of the press ball 61 in the rolling section 62, and the press ball 61 starts rolling only after being inclined to a certain angle. The rolling interval 62 is provided with the accommodation space of the pressure ball 61 of accomodating in being close to the one side at warning flotation pontoon 6 center, and accommodation space's open position is provided with spacing trip 63 to the random roll of pressure ball 61 is restricted, and the both sides of spacing trip 63 all have the chamfer in order to make pressure ball 61 still can roll in or roll out.
The warning pontoon 6 is also provided with a prying plate 64, and the middle part of the prying plate 64 is rotationally connected in the warning pontoon 6 and has a distance from the bottom of the rolling interval 62. One end of the prying plate 64 is positioned at one end, far away from the accommodating space, in the rolling section 62, and the other end of the prying plate 64 is provided with a touch control sheet 65 and positioned outside the rolling section 62, and the prying plate 64 can be rotated by pushing the prying plate 64 through the pressing ball 61. The warning pontoon 6 is internally provided with a switch 66 controlled by a touch control sheet 65 and a warning light source 67 controlled to be opened and closed by the switch 66, and after the prying plate 64 is pushed by the pressing ball 61, the touch control sheet 65 can be connected with the switch 66 to close the switch 66 so as to start the warning light source 67.
In addition, in order to maintain the stability of the prying plate 64 at the normal water level, the prying plate 64 is prevented from touching the switch 66 at will to start the warning light source 67. The touch control sheet 65 is made of magnetic metal, a magnet 68 is arranged in the warning buoy 6, and the magnet 68 is positioned on one side of the prying plate 64, which is opposite to the touch control sheet 65. When the warning buoy 6 floats transversely on the water surface, the magnet 68 can magnetically attract the touch control sheet 65 to enable the touch control sheet 65 to be far away from the switch 66.
The implementation principle of the shallow water river bank protection is as follows:
when the ship runs in the river course, water waves are generated to drive river sand to flow to the side of the river course, and as the filter screen plates 5 are enclosed to form the ecological planting unit groove 4, the aquatic plants planted in the ecological planting unit groove 4 can play a role in fixing sand.
The warning pontoon 6 plays a role in warning navigation, prevents the ship from being too close to the river bank when sailing, and can reduce the flow direction of river sand to the side. The warning pontoon 6 is guided by the first filter plate 51 to deflect towards the center of the river channel when the water level is low, and moves to a deeper water position to play a role in sailing warning; the warning light source 67 can be rotated to give out warning when the water level is high, thereby reminding the sailing ship.
Example two
The application also discloses a construction method of the shallow water river bank protection, which comprises the following specific steps:
s1, cleaning garbage and stones on two sides of a river channel, and constructing a revetment main body 1.
S2, driving the wood piles 3 at intervals on two sides of the river channel, so that the wood piles 3 are distributed in an array mode at intervals.
S3, inserting a filter screen plate 5 between the wood piles 3 to form ecological planting unit grooves 4, wherein the ecological planting unit grooves 4 are preferably diamond-shaped.
S4, filling river sand into the ecological planting unit groove 4 and planting aquatic plants, wherein the depth of the filled river sand is not higher than the height of the second filter plate 52.
S5, connecting a warning pontoon 6 on the stake 3 closest to the middle of the river, wherein the pull rope 7 can be fixed on the stake 3 through screws or fixed on the stake 3 through binding.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The utility model provides a shallow water river course shore protection, is including setting up shore protection main part (1) at the river course side, its characterized in that: the bottom of the bank protection main body (1) is positioned below the water level, one side of the bank protection main body (1) close to the center of a river is also provided with a buffer area (2), the buffer area (2) is provided with wood piles (3), the wood piles (3) are arranged at intervals along the direction of the center of the river, the wood piles are arranged along the trend of the river to form array arrangement, a filter screen plate (5) is arranged between every two adjacent wood piles (3), a plurality of filter screen plates (5) are arranged in array arrangement and form a plurality of ecological planting unit grooves (4) between the filter screen plates (5), the ecological planting unit grooves (4) are filled with river sediment and planted with aquatic plants, the wood piles (3) closest to the center of the river are connected with a warning pontoon (6) through a connecting unit, the connecting unit comprises a pull rope (7) arranged on the wood piles (3) and a positioning rope (8) arranged on the outer side of the warning pontoon (6), two ends of the positioning rope (8) are connected with the positions of the middle parts of two side walls of the warning pontoon (6), the positioning rope (8) is larger than the length of the positioning rope (6) in the axial direction of the water level tank is connected with the wood piles (6) to form a rotary motion zone, the length of the pull rope (7) extending out of the wood pile (3) is equal to the average water level of the river, and the length of the warning pontoon (6) is larger than the difference value between the highest water level of the river and the average water level of the river;
the wood piles (3) are arranged at intervals along the trend of the river, the filter screen plates (5) comprise first filter plates (51) which incline towards the flow direction of the river from the side edge of the river to the center of the river, and second filter plates (52) which incline away from the flow direction of the river from the side edge of the river to the center of the river, wherein the height of each first filter plate (51) is higher than that of each second filter plate (52), and the height of each wood pile (3) extending out of the river bottom is lower than that of each first filter plate (51);
stay cord (7) with locating rope (8) structure as an organic whole, warning flotation pontoon (6) both sides are fixed with holding ring (81), locating rope (8) are fixed on holding ring (81), be provided with in warning flotation pontoon (6) and roll pressure ball (61), supply is offered along the axial in warning flotation pontoon (6) inside pressure ball (61) removal roll interval (62), one end in warning flotation pontoon (6) is provided with prying plate (64), prying plate (64) middle part rotation is connected in warning flotation pontoon (6), the one end of prying plate (64) is located in roll interval (62), the other end of prying plate (64) is provided with touch-control piece (65), still be provided with in warning flotation pontoon (6) after lifting touch-control piece (65) with switch (66) that touch-control piece (65) switched on and be controlled light source (67) of switch (66).
2. A shallow water river bank revetment according to claim 1, wherein: and a magnet (68) is further arranged in the warning buoy (6), and when the pressing ball (61) does not push the prying plate (64) to rotate, the magnet (68) and the touch control sheet (65) are attracted to enable the touch control sheet (65) and the switch (66) to be separated to close the warning light source (67).
3. A shallow water river bank revetment according to claim 1, wherein: the rolling section (62) is obliquely arranged relative to the axial direction of the warning roller, and the oblique direction can enable the pressing ball (61) to be far away from the prying plate (64) when the warning pontoon (6) floats on a normal water level.
4. A shallow water river bank protection construction method is characterized in that: a method for constructing a shallow water riverway revetment as defined in any one of claims 1 to 3, comprising the specific steps of:
s1, cleaning a river channel, namely cleaning the side edges of the river channel;
s2, piling, namely driving the wood pile (3) to the river bottom according to the set position;
s3, inserting a filter screen plate (5) between the wood piles (3) to form an ecological planting unit groove (4);
s4, filling river sand in the ecological planting unit groove (4) and planting aquatic plants;
s5, connecting a warning pontoon (6) on the wood pile (3) closest to the middle of the river channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311060627.1A CN117071502B (en) | 2023-08-21 | 2023-08-21 | Shallow water river bank protection and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311060627.1A CN117071502B (en) | 2023-08-21 | 2023-08-21 | Shallow water river bank protection and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN117071502A CN117071502A (en) | 2023-11-17 |
| CN117071502B true CN117071502B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311060627.1A Active CN117071502B (en) | 2023-08-21 | 2023-08-21 | Shallow water river bank protection and construction method thereof |
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| CN101941777A (en) * | 2010-08-25 | 2011-01-12 | 常州大学 | Method for treating sewage and ecologically restoring water environment of villages and small towns in water network region |
| CN106639638A (en) * | 2016-11-09 | 2017-05-10 | 曹迎庆 | Positioning floating type warning fence for lake surface |
| CN109653113A (en) * | 2017-10-10 | 2019-04-19 | 浙江理工大学 | A kind of road water level caution system |
| CN110552318A (en) * | 2019-09-04 | 2019-12-10 | 上海勘测设计研究院有限公司 | Plank road type ecological revetment |
| CN211498735U (en) * | 2019-12-23 | 2020-09-15 | 河南省中陆工程技术有限公司 | Willow strip timber pile guardrail |
| CN212786790U (en) * | 2020-08-31 | 2021-03-26 | 上海同华建筑规划设计有限公司 | Device is planted to view river course pine stake |
| CN116564046A (en) * | 2023-04-14 | 2023-08-08 | 自然资源部第二海洋研究所 | Warning tide level alarm |
-
2023
- 2023-08-21 CN CN202311060627.1A patent/CN117071502B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941777A (en) * | 2010-08-25 | 2011-01-12 | 常州大学 | Method for treating sewage and ecologically restoring water environment of villages and small towns in water network region |
| CN106639638A (en) * | 2016-11-09 | 2017-05-10 | 曹迎庆 | Positioning floating type warning fence for lake surface |
| CN109653113A (en) * | 2017-10-10 | 2019-04-19 | 浙江理工大学 | A kind of road water level caution system |
| CN110552318A (en) * | 2019-09-04 | 2019-12-10 | 上海勘测设计研究院有限公司 | Plank road type ecological revetment |
| CN211498735U (en) * | 2019-12-23 | 2020-09-15 | 河南省中陆工程技术有限公司 | Willow strip timber pile guardrail |
| CN212786790U (en) * | 2020-08-31 | 2021-03-26 | 上海同华建筑规划设计有限公司 | Device is planted to view river course pine stake |
| CN116564046A (en) * | 2023-04-14 | 2023-08-08 | 自然资源部第二海洋研究所 | Warning tide level alarm |
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| Publication number | Publication date |
|---|---|
| CN117071502A (en) | 2023-11-17 |
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