CN110984250A - Retaining wall monitoring system - Google Patents
Retaining wall monitoring system Download PDFInfo
- Publication number
- CN110984250A CN110984250A CN201911329620.9A CN201911329620A CN110984250A CN 110984250 A CN110984250 A CN 110984250A CN 201911329620 A CN201911329620 A CN 201911329620A CN 110984250 A CN110984250 A CN 110984250A
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- Prior art keywords
- retaining wall
- water
- storage tank
- water storage
- pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Environmental Sciences (AREA)
- Fluid Mechanics (AREA)
- Sewage (AREA)
Abstract
According to the retaining wall monitoring system provided by the embodiment of the invention, when the retaining wall is positioned in a dry area and rains in the dry area, rainwater falls on the retaining wall, rainwater in the water storage tank arranged at the top of the retaining wall is collected and transmitted to the water storage tank through the first drainage pipeline, when the detection device detects that the water level in the water storage tank does not reach the peak, the controller controls the automatic switch to be switched off, and at the moment, water led into the water storage tank through the first drainage pipeline is stored, so that water supply of plants planted in the basic seed culture layer is ensured, and further, the normal growth of the plants is ensured.
Description
Technical Field
The invention relates to the technical field of retaining walls, in particular to a retaining wall monitoring system.
Background
The retaining wall is a structure for supporting roadbed filling or hillside soil and preventing the filling or soil from deforming and destabilizing. In the cross section of the retaining wall, the part which is directly contacted with the supported soil body is called a wall back; the part facing the wall back and being empty is called the wall surface; the part directly contacting with the foundation is called a substrate; the top surface of the wall opposite the base is called the wall top; the front end of the base is called a wall toe; the rear end of the base is called a butt.
The greening vegetation on the existing retaining wall is planted by manpower usually when the retaining wall is installed, and after planting, the survival situation of the vegetation can not be considered, and when the area where the retaining wall is located is dry for a long time, the vegetation planted on the retaining wall 1 can die due to water shortage, and then water and soil loss is caused.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a retaining wall monitoring system, which is used for supplying water to plants planted on a retaining wall normally, so that the plants grow normally. The specific technical scheme is as follows:
the embodiment of the invention provides a retaining wall monitoring system, which comprises: the device comprises a retaining wall, a supporting wall, a water storage tank, a first drainage pipeline, a second drainage pipeline, an irrigation pipeline, an automatic switch, a reinforcing structure, a foundation seed ploughing layer, a drainage channel, a detection structure, a communication structure and a controller;
the soil retaining wall is in contact with a soil layer, the inverted triangle of the soil retaining wall is arranged on a slope of the soil layer, the supporting wall is of a right-angle triangular prism structure, the side surface corresponding to one right-angle side of the supporting wall is fixedly connected with the soil retaining wall, and the side surface corresponding to the other right-angle side of the supporting wall is fixed on a horizontal ground;
the water storage tank is arranged at the top of the retaining wall, the water storage tank is arranged in the retaining wall, and the water storage tank is communicated with the water storage tank through the first drainage pipe;
the foundation plough layer is arranged on the side surface corresponding to the inclined edge of the supporting wall in a terrace shape, one end of the irrigation pipeline is communicated with the reservoir, and the other end of the irrigation pipeline supplies water for the foundation plough layer;
the reservoir is communicated with the drainage groove through the second drainage pipeline;
the automatic switch is arranged at the opening of the second drainage pipeline and is used for controlling the second drainage pipeline to be switched on or off;
the detection structure is arranged in the retaining wall and is used for detecting the water level in the water storage tank; the communication structure is arranged on the side surface of the retaining wall, and the detection structure is connected with the communication structure;
the controller is arranged in the detection structure and is connected with the automatic switch;
the reinforced structure is used for fixing the retaining wall on a soil layer.
Optionally, the system further comprises a water pump, a power supply, a water pumping pipeline and an automatic valve;
one end of the water pumping pipeline is connected with underground shallow water, the other end of the water pumping pipeline is connected with a water inlet of the water pump, and a water outlet of the water pump is connected with the reservoir; the automatic valve is arranged in the water pumping pipeline and used for controlling the switching on or off of the water pumping pipeline, and the automatic valve is connected with the controller.
Optionally, a fixing structure is arranged between the support wall and the ground, and the fixing structure is used for fixing the support wall on the ground.
Optionally, the detection structure includes a housing, a water level sensor, and a crack sensor; the water level sensor and the crack sensor are respectively connected with the controller, and the shell is welded in the retaining wall.
Optionally, the controller is connected to the communication structure through a data transmission line.
Optionally, the system further comprises a client, the communication structure is wirelessly connected to the client, and the client is configured to display data detected by the detection structure in real time.
Optionally, the client is any one of a notebook computer, a smart phone and a computer.
In practical application, when the retaining wall is located in a dry area and when the dry area rains, rainwater falls on the retaining wall, rainwater in a water storage tank arranged at the top of the retaining wall is transmitted to a water storage tank through a first drainage pipeline, when a detection device detects that the water level in the water storage tank does not reach a peak, a controller controls an automatic switch to be switched off, at the moment, water led into the water storage tank through the first drainage pipeline is stored, on the other hand, water in the water storage tank flows to a basic plough layer through an irrigation pipeline to supply water for the basic plough layer, and as the water storage tank is located in the retaining wall, the volatilization amount of the stored water is greatly reduced, long-term water storage is facilitated, water supply for the basic plough layer is further realized, and when the detection structure detects that the water level in the water storage tank reaches a highest value, the retaining wall monitoring system provided by the embodiment of the invention is provided with the water storage tank, the excessive water quantity in rain is stored in the water storage tank, and the water stored in the water storage tank can be used for supplying water to the basic seed ploughing layer in drought so as to ensure that the plants planted in the basic seed ploughing layer supply water and further ensure the normal growth of the plants.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a retaining wall monitoring system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a detection structure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In order to normally supply water to plants planted on a retaining wall so that the plants can normally grow, the embodiment of the invention provides a retaining wall monitoring system.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a retaining wall monitoring system, including: the soil retaining wall 1, the support wall 2, the water storage tank 3, the water storage tank 4, the first drainage pipe 5, the second drainage pipe 6, the irrigation pipe 7, the automatic switch 8, the reinforcing structure 9, the foundation seed ploughing layer 10, the drainage channel 11, the detection structure 12, the communication structure 13 and the controller 14;
the retaining wall 1 is in contact with a soil layer 15, the inverted triangle of the retaining wall 1 is arranged on a slope of the soil layer 15, the supporting wall 2 is of a right-angle triangular prism structure, the side surface corresponding to one right-angle edge of the supporting wall 2 is fixedly connected with the retaining wall 1, and the side surface corresponding to the other right-angle edge of the supporting wall 2 is fixed on a horizontal ground;
the water storage tank 3 is arranged at the top of the retaining wall 1, the water storage tank 4 is arranged inside the retaining wall 1, and the water storage tank 3 is communicated with the water storage tank 4 through the first drainage pipe 5;
the foundation plough layer 10 is arranged on the side surface corresponding to the inclined edge of the supporting wall 2 in a terrace shape, one end of the irrigation pipeline 7 is communicated with the reservoir 4, and the other end of the irrigation pipeline supplies water for the foundation plough layer 10;
the reservoir 4 is communicated with the drainage groove through the second drainage pipe 6;
the automatic switch 8 is arranged at the opening of the second water drainage pipe 6, and the automatic switch 8 is used for controlling the second water drainage pipe 6 to be switched on or off;
the detection structure 12 is arranged in the retaining wall 1, and the detection structure 12 is used for detecting the water level in the reservoir 4; the communication structure 13 is arranged on the side surface of the retaining wall 1, and the detection structure 12 is connected with the communication structure 13;
the controller 14 is arranged in the detection structure 12, and the controller 14 is connected with the automatic switch 8;
the reinforcing structure 9 is used to fix the retaining wall 1 to the soil 15.
In practical application, when the retaining wall 1 is located in a dry area and rain falls in the dry area, rainwater falls on the retaining wall 1, a water storage tank 3 arranged at the top of the retaining wall 1 stores the rainwater in the water storage tank 4 through a first drainage pipe 5, and the collected rainwater is transmitted to the water storage tank 4 through a first drainage pipe 5, and when a detection device detects that the water level in the water storage tank 4 does not reach the peak, a controller 14 controls an automatic switch 8 to be closed, at the moment, the water led into the water storage tank 4 through the first drainage pipe 5 is stored, on the other hand, the water in the water storage tank 4 flows to a basic plough seed layer 10 through an irrigation pipe 7 to supply water to the basic plough seed layer 10, and the water storage tank 4 is located in the retaining wall 1, so that the volatilization amount of the stored water is greatly reduced, water storage for a long time is facilitated, and water supply to the basic plough seed layer 10 is further realized, after the detection structure 12 detects that the water level in the water storage tank 4 reaches the highest value, the controller 14 controls the automatic switch 8 to be opened, at the moment, the second water drainage pipe 6 drains the water in the water storage tank 4 into the water drainage channel 11 for drainage, so that the excess water in the water storage tank 3 is ensured to be drained, the damage to the basic seed-ploughing layer 10 caused by the overflow of the water in the water storage tank 3 is avoided, the retaining wall 1 monitoring system provided by the embodiment of the invention is adopted, the water storage tank 4 is arranged, the excess water during raining is stored in the water storage tank 4, and during drought, the water stored in the water storage tank 4 can be used for supplying water to the basic seed-ploughing layer 10, so that the water supply of plants planted in the basic seed-ploughing layer 10 is ensured, and the normal growth of the.
Further, the device also comprises a water pump 16, a power supply 17, a water pumping pipeline 18 and an automatic valve 19;
one end of the water pumping pipeline 18 is connected with the underground shallow water, the other end of the water pumping pipeline 18 is connected with a water inlet of the water pump 16, and a water outlet of the water pump 16 is connected with the water storage tank 4; the automatic valve 19 is arranged in the water pumping pipeline 18, the automatic valve 19 is used for controlling the conduction or the closing of the water pumping pipeline 18, and the automatic valve 19 is connected with the controller 14.
Specifically, in practical application, when the region where the retaining wall 1 is located is dry for a long time, the detection structure 12 monitors the water level in the reservoir 4 in real time, the controller 14 receives the monitoring data, when the water level in the reservoir 4 is low, the controller 14 controls the water pump 16 to operate, and simultaneously opens the automatic valve 19, the water pump 16 pumps shallow groundwater into the reservoir 4, and when the detection structure 12 detects that the water level in the reservoir 4 is at the maximum, the controller 14 controls the automatic valve 19 to close, and controls the water pump 16 to stop operating.
It should be noted that, in the above-mentioned scheme for pumping the shallow groundwater layer, the existing groundwater mining technology may be used, and the small-sized pipeline may be conducted to the shallow groundwater layer, so that the technical scheme for pumping the shallow groundwater layer to the reservoir 4 by using the water pump 16 according to the embodiment of the present invention is implemented.
It should be noted that the automatic valve 19 is an existing product and can be purchased directly.
Further, a fixing structure 20 is disposed between the support wall 2 and the ground, and the fixing structure 20 is used for fixing the support wall 2 on the ground. The fixing structure 20 is adopted to fix the support wall 2 with the ground, so that the connection degree of the support wall 2 and the ground is further improved, and the stability of the retaining wall 1 is indirectly improved.
Further, the detection structure 12 comprises a housing 21, a water level sensor 22, a crack sensor 23; the water level sensor 22 and the crack sensor 23 are respectively connected with the controller 14, and the shell 21 is welded in the retaining wall 1.
The water level sensor 22 is disposed in the reservoir 4 for detecting the water level in the reservoir 4, and the crack sensor 23 is disposed in the reservoir 4 for detecting the current state of the inner wall of the reservoir 4, it should be noted that the water level sensor 22 and the crack sensor 23 are both conventional sensors and can be purchased directly.
Further, the controller 14 is connected to the communication structure 13 through a data transmission line.
The data transmission line connection mode is adopted, the stability of data transmission is improved, and the problem that the limitation is more in wireless transmission is avoided, for example, when a network signal is poor, a wireless transmission signal is unstable.
Further, the system further comprises a client, wherein the communication structure 13 is wirelessly connected with the client, and the client is used for displaying the data detected by the detection structure 12 in real time.
Specifically, the retaining wall 1 provided by the embodiment of the invention is provided with the communication structure 13, the communication structure 13 receives monitoring data transmitted by the controller 14 and sends the monitoring data to the client in a wireless transmission manner, so that a user using the client can monitor the water level condition and the crack condition of the reservoir 4 in real time, remote monitoring is realized, the operation condition of the retaining wall 1 provided by the embodiment of the invention is known in time, and when the retaining wall 1 has a problem, a worker can find and make a solution corresponding to the problem in time.
Further, the client is any one of a notebook computer, a smart phone and a computer.
In practical application, when the retaining wall 1 is located in a dry area and rain falls in the dry area, rainwater falls on the retaining wall 1, a water storage tank 3 arranged at the top of the retaining wall 1 stores the rainwater in the water storage tank 4 through a first drainage pipe 5, and the collected rainwater is transmitted to the water storage tank 4 through a first drainage pipe 5, and when a detection device detects that the water level in the water storage tank 4 does not reach the peak, a controller 14 controls an automatic switch 8 to be closed, at the moment, the water led into the water storage tank 4 through the first drainage pipe 5 is stored, on the other hand, the water in the water storage tank 4 flows to a basic plough seed layer 10 through an irrigation pipe 7 to supply water to the basic plough seed layer 10, and the water storage tank 4 is located in the retaining wall 1, so that the volatilization amount of the stored water is greatly reduced, water storage for a long time is facilitated, and water supply to the basic plough seed layer 10 is further realized, after the detection structure 12 detects that the water level in the water storage tank 4 reaches the highest value, the controller 14 controls the automatic switch 8 to be opened, at the moment, the second water drainage pipe 6 drains the water in the water storage tank 4 into the water drainage channel 11 for drainage, so that the excess water in the water storage tank 3 is ensured to be drained, the damage to the basic seed-ploughing layer 10 caused by the overflow of the water in the water storage tank 3 is avoided, the retaining wall 1 monitoring system provided by the embodiment of the invention is adopted, the water storage tank 4 is arranged, the excess water during raining is stored in the water storage tank 4, and during drought, the water stored in the water storage tank 4 can be used for supplying water to the basic seed-ploughing layer 10, so that the water supply of plants planted in the basic seed-ploughing layer 10 is ensured, and the normal growth of the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A retaining wall monitoring system, comprising: the device comprises a retaining wall, a supporting wall, a water storage tank, a first drainage pipeline, a second drainage pipeline, an irrigation pipeline, an automatic switch, a reinforcing structure, a foundation seed ploughing layer, a drainage channel, a detection structure, a communication structure and a controller;
the soil retaining wall is in contact with a soil layer, the inverted triangle of the soil retaining wall is arranged on a slope of the soil layer, the supporting wall is of a right-angle triangular prism structure, the side surface corresponding to one right-angle side of the supporting wall is fixedly connected with the soil retaining wall, and the side surface corresponding to the other right-angle side of the supporting wall is fixed on a horizontal ground;
the water storage tank is arranged at the top of the retaining wall, the water storage tank is arranged in the retaining wall, and the water storage tank is communicated with the water storage tank through the first drainage pipe;
the foundation plough layer is arranged on the side surface corresponding to the inclined edge of the supporting wall in a terrace shape, one end of the irrigation pipeline is communicated with the reservoir, and the other end of the irrigation pipeline supplies water for the foundation plough layer;
the reservoir is communicated with the drainage groove through the second drainage pipeline;
the automatic switch is arranged at the opening of the second drainage pipeline and is used for controlling the second drainage pipeline to be switched on or off;
the detection structure is arranged in the retaining wall and is used for detecting the water level in the water storage tank; the communication structure is arranged on the side surface of the retaining wall, and the detection structure is connected with the communication structure;
the controller is arranged in the detection structure and is connected with the automatic switch;
the reinforced structure is used for fixing the retaining wall on a soil layer.
2. A retaining wall monitoring system according to claim 1, further comprising a water pump, a power source, a water pumping conduit, an automatic valve;
one end of the water pumping pipeline is connected with underground shallow water, the other end of the water pumping pipeline is connected with a water inlet of the water pump, and a water outlet of the water pump is connected with the reservoir; the automatic valve is arranged in the water pumping pipeline and used for controlling the switching on or off of the water pumping pipeline, and the automatic valve is connected with the controller.
3. A retaining wall monitoring system according to claim 1 wherein a securing structure is provided between the buttress and the ground for securing the buttress to the ground.
4. A retaining wall monitoring system according to claim 1, characterized in that the detection structure comprises a housing, a water level sensor, a crack sensor; the water level sensor and the crack sensor are respectively connected with the controller, and the shell is welded in the retaining wall.
5. A retaining wall monitoring system according to claim 1 wherein the controller is connected to the communication structure by a data transmission line.
6. The retaining wall monitoring system of claim 1, further comprising a client, wherein the communication structure is wirelessly connected to the client, and the client is configured to display data detected by the detection structure in real time.
7. A retaining wall monitoring system according to claim 6, characterized in that the client is any one of a laptop, a smartphone, a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329620.9A CN110984250A (en) | 2019-12-20 | 2019-12-20 | Retaining wall monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329620.9A CN110984250A (en) | 2019-12-20 | 2019-12-20 | Retaining wall monitoring system |
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| CN110984250A true CN110984250A (en) | 2020-04-10 |
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| CN201911329620.9A Pending CN110984250A (en) | 2019-12-20 | 2019-12-20 | Retaining wall monitoring system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1446226A1 (en) * | 1987-06-02 | 1988-12-23 | Украинское отделение Всесоюзного проектно-изыскательского и научно-исследовательского института "Гидропроект" им.С.Я.Жука | Enclosing structure |
| CN205636789U (en) * | 2016-05-27 | 2016-10-12 | 盛世园林集团股份有限公司 | Ecological retaining retaining wall |
| CN205830649U (en) * | 2016-07-30 | 2016-12-28 | 平庆义 | A kind of gardens water-retention and intelligent irrigation device |
| CN106351250A (en) * | 2016-08-26 | 2017-01-25 | 华北水利水电大学 | Afforestation retaining facility with water source adjustment function and construction method thereof |
| CN208981354U (en) * | 2018-10-09 | 2019-06-14 | 尹文 | A kind of water conservancy greening soil blocking device |
-
2019
- 2019-12-20 CN CN201911329620.9A patent/CN110984250A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1446226A1 (en) * | 1987-06-02 | 1988-12-23 | Украинское отделение Всесоюзного проектно-изыскательского и научно-исследовательского института "Гидропроект" им.С.Я.Жука | Enclosing structure |
| CN205636789U (en) * | 2016-05-27 | 2016-10-12 | 盛世园林集团股份有限公司 | Ecological retaining retaining wall |
| CN205830649U (en) * | 2016-07-30 | 2016-12-28 | 平庆义 | A kind of gardens water-retention and intelligent irrigation device |
| CN106351250A (en) * | 2016-08-26 | 2017-01-25 | 华北水利水电大学 | Afforestation retaining facility with water source adjustment function and construction method thereof |
| CN208981354U (en) * | 2018-10-09 | 2019-06-14 | 尹文 | A kind of water conservancy greening soil blocking device |
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Application publication date: 20200410 |
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