CN114606960B - Slope negative pressure suction drainage reinforcement system and method - Google Patents
Slope negative pressure suction drainage reinforcement system and method Download PDFInfo
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- 239000002689 soil Substances 0.000 claims abstract description 55
- 239000011148 porous material Substances 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000011380 pervious concrete Substances 0.000 claims description 5
- 241000196324 Embryophyta Species 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 4
- 239000012466 permeate Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002352 surface water Substances 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000004927 clay Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
- E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
- E03F1/003—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via underground elongated vaulted elements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Water Supply & Treatment (AREA)
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- Agronomy & Crop Science (AREA)
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention provides a slope negative pressure suction drainage reinforcement system and a method, wherein the system comprises an opening type water collecting pipe, a one-way exhaust check valve, permeable concrete, a negative pressure suction device, a solar cell panel, a pore water pressure sensor, a servo control switch and a V-shaped guide plate, wherein the opening type water collecting pipe, the one-way exhaust check valve, the permeable concrete, the negative pressure suction device, the solar cell panel, the pore water pressure sensor, the servo control switch and the V-shaped guide plate are buried in the slope; the one-way exhaust check valve and the negative pressure suction device are arranged in the open-type water collecting pipe, the permeable concrete is arranged at the opening of the open-type water collecting pipe, the V-shaped guide plate is arranged at the opening of the open-type water collecting pipe, and the lower end of the V-shaped guide plate is in contact connection with the outer wall of the open-type water collecting pipe; the water in the soil body is discharged through the pressure difference effect, so that the possibility that rainwater on the surface of the side slope infiltrates into the deep part of the soil body is reduced, and the anti-slip capability of the soil body of the side slope is further enhanced. The opening of the device is regulated and controlled by utilizing the water content of soil in the slope and the change of pore water pressure, so that pressure difference is generated between the inside and the outside of the slope to discharge surface water.
Description
Technical Field
The invention belongs to the field of slope engineering, and particularly relates to a slope negative pressure suction drainage reinforcement system and method, which are mainly applied to the engineering such as slope drainage reinforcement.
Background
The region of China is wide, the geological and terrain environment is complex, geological disasters are frequent, and especially, the construction of numerous highway, railway and other buildings in the middle and western regions is carried out at present when the construction of national infrastructure is increasingly developed, so that various landslide disasters occur, and the serious threat is formed to the production and life of human beings. Most landslide hazards occur in connection with rainfall and groundwater level changes. The change of the water content in the soil body of the side slope causes the change of parameters such as soil intensity, volume weight and the like, so that the effective stress of a sliding surface is reduced, the shearing resistance of the side slope is reduced, and the side slope is instable, so that the groundwater in the side slope is discharged in time, and the reduction of the infiltration and erosion of the surface water to the side slope and the improvement of the shearing resistance of clay are particularly important.
At present, most of the side slope drainage treatment measures are to build drainage ditches and water inserting and draining pipes on side slopes and retaining walls, and belong to surface layer and shallow surface layer drainage. The water draining mode relies on the dead weight of the water body to drain the water body, so that the water draining efficiency is low and the blocking condition is easy to occur. Various scholars have proposed siphon drainage methods, such as "a self-starting slope siphon drainage system (cn20161092754. X)", "a device for assisting slope drainage by using wave energy (CN 201611092752.0)", etc., which are implemented by using siphon, and the method is only aimed at slopes with rivers, and is not applicable to slopes without rivers beside highway and railway slopes, and the technology cannot regulate drainage according to the water content of soil in the slopes and the change of pore water pressure.
Disclosure of Invention
The technical problem to be solved by the invention is to arrange a slope negative pressure suction drainage reinforcement system in the slope, regulate and control the opening of the device by utilizing the water content of soil in the slope and the change of pore water pressure, and reduce the pressure in the pipe through a one-way exhaust check valve and a negative pressure suction device in the pipe, thereby generating pressure difference between the inside and the outside of the slope and timely discharging surface water permeated into the slope.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: a slope negative pressure suction drainage reinforcement system comprises an opening type water collecting pipe, a one-way exhaust check valve, permeable concrete, a negative pressure suction device, a solar cell panel, a pore water pressure sensor, a servo control switch and a V-shaped guide plate, wherein the opening type water collecting pipe, the one-way exhaust check valve, the permeable concrete, the negative pressure suction device, the solar cell panel, the pore water pressure sensor, the servo control switch and the V-shaped guide plate are buried in the slope; the one-way exhaust check valve and the negative pressure suction device are arranged in the open-type water collecting pipe, the permeable concrete is arranged at the opening of the open-type water collecting pipe, the V-shaped guide plate is arranged at the opening of the open-type water collecting pipe, and the lower end of the V-shaped guide plate is in contact connection with the outer wall of the open-type water collecting pipe; the water in the soil body is discharged through the pressure difference effect, so that the possibility that rainwater on the surface of the side slope infiltrates into the deep part of the soil body is reduced, and the anti-slip capability of the soil body of the side slope is further enhanced.
The opening type water collecting pipe is divided into a longitudinal water collecting pipe perpendicular to the trend of the slope, an inclined water collecting pipe parallel to the slope and a vertical water collecting pipe; the pipe diameter of the open-type water collecting pipe is as follows: 10 cm-40 cm; the longitudinal water collecting pipe is provided with a certain gradient: 2% -4% of rain water infiltration is prevented from accumulating in the open-type water collecting pipe.
The pervious concrete is semicircular and fixed at the opening of the open-type water collecting pipe, has a certain water absorbing effect, can block soil and prevent the soil from blocking the open-type water collecting pipe.
The one-way exhaust check valve in the open-type water collecting pipe has the function of one-way exhaust, only allows the air in the water collecting pipe to be exhausted, and simultaneously ensures that the external atmosphere cannot enter the open-type water collecting pipe, so that the inside of the open-type water collecting pipe is in a negative pressure state.
The solar cell panel is used for storing energy or connecting a circuit carried by the street lamp, and the negative pressure suction device is powered to drive the negative pressure suction device in the open-type water collecting pipe to rotate, so that air in the interior is discharged, and the interior is in a negative pressure state by means of the one-way exhaust check valve, and under the action of huge pressure difference, water vapor in soil body permeates into the open-type water collecting pipe.
The green vegetation is planted on the slope surface of the side slope, and when the amount of outside rainwater is small, redundant rainwater is permeated into the open-type water collecting pipe through the root system water absorption function of the green vegetation on the surface of the side slope.
The pore water pressure sensor is arranged at the bottom of the V-shaped guide plate and at the opening of the opening type water collecting pipe and is used for measuring the change of the rain seepage quantity in the soil body and transmitting the change data of the pore water pressure of the soil body to the servo control switch.
The inside procedure that is equipped with control negative pressure suction device switch of servo control switch, when the rainfall of external world is great, the rainwater oozes to the side slope inside down, and when the moisture content of inside reached a certain threshold value, the inside pore water pressure sensor of placing in side slope was with data transmission to servo control switch department, and servo control switch obtains opening negative pressure suction device after the instruction, makes it in time, fully discharge into open-type water collecting pipe with soil body inside moisture content.
The construction method of the side slope negative pressure suction drainage reinforcement system comprises the following steps:
step 1, cleaning the surface of a side slope: before the open-type water collecting pipe is paved, the surface of the side slope is leveled, and weeds and tree root impurities are cleaned;
step 2, drilling and positioning of the inclined water collecting pipe: the inclined water collecting pipe is parallel to the slope and is used as a first waterproof line for the slope to infiltrate under the rain water, and the pore canal of the inclined water collecting pipe is positioned in front of the sliding belt;
step 3, adjusting the included angle between the guide rail of the drilling machine and the slope surface, namely the angle of the drill bit entering the soil, drilling the pre-buried holes of the pipeline, and cleaning residual soil according to the gradient requirement of pipeline laying;
step 4, inserting a water collecting pipe: immediately inserting a water collecting pipe to prevent hole collapse after the drilling of the pre-buried holes of the pipeline is completed;
step 5, excavating a drainage groove: paying off the drainage groove according to the construction drawing, and excavating the drainage groove according to the on-site soil property condition.
The position of the sliding belt in the step 2 is determined according to the following formula:
wherein:the inner friction angle of the soil is H, the slope height is H, beta is a slope angle of the slope, the slope foot is a circle center of a coordinate system, the y-axis direction is positive, and the x-axis positive direction points to the slope.
The invention has the following beneficial effects:
1. compared with the traditional slope reinforcement method, the method has the advantages that the surface water is treated more timely, the effect is more obvious, and rainwater is effectively prevented from seeping into clay in the slope.
2. Compared with the traditional side slope reinforcement method, the grass and wood vegetation is planted on the side slope surface, so that the side slope has a certain beautifying effect, has ornamental value, and plays a certain role in preventing rainwater from seeping through the absorption effect of the root system and the upper plant.
3. By utilizing the pervious concrete at the upper end of the open-type water collecting pipe, the water absorption effect is utilized, rainwater is accelerated to permeate into the pipe, the rainwater on the surface of a side slope is treated in time, the soil can be blocked, and the soil body is prevented from blocking the water collecting pipe.
4. Compared with the traditional slope reinforcement method, the inside of the open-type water collecting pipe is enabled to reach a negative pressure state through the one-way exhaust check valve and the negative pressure suction device, so that surface water quickly infiltrates into the pipe under the action of huge pressure difference, the anti-slip capacity of the slope soil body is greatly improved, and the service life of the slope is prolonged to a certain extent.
5. Compared with the traditional slope reinforcement method, the V-shaped guide plate on the surface of the slope can guide the surface rainwater to be drained into the permeable concrete pipe in a guiding manner, so that the water body is drained into the water collecting pipe, and the possibility that the rainwater on the surface of the slope infiltrates into the deep part of the soil body is reduced.
6. Compared with the traditional slope reinforcement method, the invention has the advantages that the water pressure sensor is arranged in the slope, so that the water content of the soil body in the slope can be sensed at any time, and the change of the infiltration rainwater in the soil body can be measured. When the water content reaches a certain threshold value, a sensing chip in the solar cell panel is triggered, so that the negative pressure suction device in the pipe and the one-way exhaust check valve start to work, and the water in the soil body is timely and fully discharged into the groove, and certain energy is saved.
7. The invention provides energy for the rotation of the one-way exhaust check valve and the negative pressure suction device by means of the solar panel, does not need to additionally input energy, realizes the conversion and the full utilization of the energy to a certain extent, and solves the problem of power source of the negative pressure suction device.
8. The one-way exhaust check valve has the function of one-way exhaust, only allows the air in the air inlet to be exhausted, and simultaneously ensures that the external atmosphere cannot enter the open-type water collecting pipe, and ensures that the inside of the open-type water collecting pipe reaches a negative pressure state.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the open-type water collecting pipe of the present invention.
In the figure: the solar energy water-saving device comprises a water draining groove 1, a solar cell panel 2, an inclined water collecting pipe 3, a vertical water collecting pipe 4, a longitudinal water collecting pipe 5, green vegetation 6, a V-shaped guide plate 7, a servo control switch 8, a negative pressure suction device 9, a one-way air exhaust check valve 10 and a pore water pressure sensor 11.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-2, a slope negative pressure suction drainage reinforcement system comprises an opening type water collecting pipe, a one-way exhaust check valve 10, permeable concrete 12, a negative pressure suction device 9, a solar panel 2, a pore water pressure sensor 11, a servo control switch 8 and a V-shaped guide plate 7, wherein the opening type water collecting pipe is buried in the slope; the one-way exhaust check valve 10 and the negative pressure suction device 9 are arranged in the open-type water collecting pipe, the permeable concrete 12 is arranged at the opening of the open-type water collecting pipe, the V-shaped guide plate 7 is arranged at the opening of the open-type water collecting pipe, and the lower end of the V-shaped guide plate 7 is in contact connection with the outer wall of the open-type water collecting pipe; the water in the soil body is discharged through the pressure difference effect, so that the possibility that rainwater on the surface of the side slope infiltrates into the deep part of the soil body is reduced, and the anti-slip capability of the soil body of the side slope is further enhanced. By adopting the reinforcement system, the device is regulated and controlled to be opened by utilizing the water content of soil mass in the slope and the change of pore water pressure, and the pressure in the pipe is reduced by the one-way exhaust check valve and the negative pressure suction device in the pipe, so that pressure difference is generated between the inside and the outside of the slope, and surface water seeping into the slope is timely discharged.
Further, the open-type water collecting pipe is divided into a longitudinal water collecting pipe 5 vertical to the trend of the slope, an inclined water collecting pipe 3 parallel to the slope and a vertical water collecting pipe 4; the pipe diameter of the open-type water collecting pipe is as follows: 10 cm-40 cm; the longitudinal water collecting pipe 5 is provided with a certain gradient: 2% -4% of rain water infiltration is prevented from accumulating in the open-type water collecting pipe. Through the opening type water collecting pipe with different structural forms, the water collecting pipe can be suitable for effectively collecting ponding at different positions in the side slope, and further the collecting efficiency is guaranteed.
Further, the pervious concrete 12 is in a semicircular shape, is fixed at the opening of the open-type water collecting pipe, has a certain water absorbing function, can block soil and prevent soil from blocking the open-type water collecting pipe. The water permeation is ensured by the permeable concrete 12, and the blocking of the pipeline is prevented.
Further, the one-way exhaust check valve 10 in the open-type water collecting pipe has the function of one-way exhaust, only allows the air in the interior to be exhausted, and simultaneously ensures that the external atmosphere cannot enter the open-type water collecting pipe, so that the interior of the open-type water collecting pipe is in a negative pressure state.
Further, the negative pressure suction device 9 is powered by the energy stored by the solar cell panel 2 or by a circuit carried by the circuit connection street lamp to drive the negative pressure suction device 9 in the open-type water collecting pipe to rotate, so that the air in the interior is discharged, and the interior is in a negative pressure state by means of the one-way exhaust check valve 10, so that water vapor in the soil body permeates into the open-type water collecting pipe under the action of a huge pressure difference.
Further, green vegetation 6 is planted on the slope surface of the side slope, and when the amount of outside rainwater is small, redundant rainwater is permeated into the open-type water collecting pipe through the root system water absorption function of the green vegetation 6 on the surface of the side slope. And the side slope is prevented from being washed by rainwater through the green vegetation 6.
Further, the pore water pressure sensor 11 is disposed at the bottom of the V-shaped guide plate 7 and at the opening of the open-type water collecting pipe, and is used for measuring the change of the rain seepage amount in the soil body and transmitting the change data of the pore water pressure of the soil body to the servo control switch 8.
Further, a program for controlling the negative pressure suction device 9 to be switched on and off is arranged in the servo control switch 8, when the external rainfall is more, rainwater infiltrates into the slope, when the internal water content reaches a certain threshold value, the pore water pressure sensor 11 arranged in the slope transmits data to the servo control switch 8, and the servo control switch 8 starts the negative pressure suction device 9 after obtaining a command, so that the water in the soil body is timely and fully discharged into the open-type water collecting pipe.
Example 2:
the construction method of the side slope negative pressure suction drainage reinforcement system comprises the following steps:
step 1, cleaning the surface of a side slope: before the open-type water collecting pipe is paved, the surface of the side slope is leveled, and weeds and tree root impurities are cleaned;
step 2, drilling and positioning the inclined water collecting pipe 3: the inclined water collecting pipe 3 is parallel to the slope surface and is used as a first waterproof line for the slope surface rain water seepage, and the pore canal of the inclined water collecting pipe is positioned in front of the sliding belt;
step 3, adjusting the included angle between the guide rail of the drilling machine and the slope surface, namely the angle of the drill bit entering the soil, drilling the pre-buried holes of the pipeline, and cleaning residual soil according to the gradient requirement of pipeline laying;
step 4, inserting a water collecting pipe: immediately inserting a water collecting pipe to prevent hole collapse after the drilling of the pre-buried holes of the pipeline is completed;
step 5, excavating a drainage groove 1: paying off the drainage groove 1 according to the construction drawing, and excavating the drainage groove 1 according to the on-site soil property condition.
The position of the sliding belt in the step 2 is determined according to the following formula:
wherein:the inner friction angle of the soil is H, the slope height is H, beta is a slope angle of the slope, the slope foot is a circle center of a coordinate system, the y-axis direction is positive, and the x-axis positive direction points to the slope.
Claims (2)
1. The construction method of the slope negative pressure suction drainage reinforcement system comprises an opening type water collecting pipe, a one-way exhaust check valve (10), permeable concrete (12), a negative pressure suction device (9), a solar cell panel (2), a pore water pressure sensor (11), a servo control switch (8) and a V-shaped guide plate (7), wherein the opening type water collecting pipe, the one-way exhaust check valve (10), the permeable concrete (12), the negative pressure suction device (9) and the V-shaped guide plate are buried in the slope; the one-way exhaust check valve (10) and the negative pressure suction device (9) are arranged in the open-type water collecting pipe, the pervious concrete (12) is arranged at the opening of the open-type water collecting pipe, the V-shaped guide plate (7) is arranged at the opening of the open-type water collecting pipe, and the lower end of the V-shaped guide plate (7) is in contact connection with the outer wall of the open-type water collecting pipe; the water in the soil body is discharged through the pressure difference effect, so that the possibility that rainwater on the surface of the side slope infiltrates into the deep part of the soil body is reduced, and the anti-slip capability of the soil body of the side slope is further enhanced;
the open-type water collecting pipe is divided into a longitudinal water collecting pipe (5) perpendicular to the trend of the slope, an inclined water collecting pipe (3) parallel to the slope and a vertical water collecting pipe (4); the pipe diameter of the open-type water collecting pipe is as follows: 10 cm-40 cm; the longitudinal water collecting pipe (5) is provided with a certain gradient: 2% -4%, preventing rain water from penetrating into the open-type water collecting pipe;
the pervious concrete (12) is semicircular and is fixed at the opening of the open-type water collecting pipe, has a certain water absorption function, can block soil and prevent soil from blocking the open-type water collecting pipe;
the one-way exhaust check valve (10) in the open-type water collecting pipe has the function of one-way exhaust, only allows the air in the water collecting pipe to be exhausted, and simultaneously ensures that the external atmosphere cannot enter the open-type water collecting pipe, so that the inside of the open-type water collecting pipe is in a negative pressure state;
the negative pressure suction device (9) is powered by the energy stored by the solar cell panel (2) or a circuit carried by the circuit connecting street lamp to drive the negative pressure suction device (9) in the open-type water collecting pipe to rotate, so that the air in the interior is discharged, and the interior is in a negative pressure state by means of the one-way exhaust check valve (10), and under the action of a huge pressure difference, water vapor in soil body permeates into the open-type water collecting pipe;
green vegetation (6) is planted on the slope surface of the side slope, and when the amount of outside rainwater is small, redundant rainwater is permeated into the open-type water collecting pipe through the root system water absorption function of the green vegetation (6) on the surface of the side slope;
the pore water pressure sensor (11) is arranged at the bottom of the V-shaped guide plate (7) and at the opening of the opening type water collecting pipe, is used for measuring the change of the rain seepage quantity in the soil body and transmitting the change data of the pore water pressure of the soil body to the servo control switch (8);
the inside of the servo control switch (8) is provided with a program for controlling the negative pressure suction device (9) to be switched on and switched off, when the external rainfall is more, rainwater infiltrates into the inside of the slope, when the internal moisture content reaches a certain threshold value, a pore water pressure sensor (11) arranged in the inside of the slope transmits data to the servo control switch (8), and the servo control switch (8) starts the negative pressure suction device (9) after obtaining a command so as to timely and fully discharge the moisture in the soil body into an open-type water collecting pipe;
the construction method is characterized by comprising the following steps of:
step 1, cleaning the surface of a side slope: before the open-type water collecting pipe is paved, the surface of the side slope is leveled, and weeds and tree root impurities are cleaned;
step 2, drilling and positioning the inclined water collecting pipe (3): the inclined water collecting pipe (3) is parallel to the slope and is used as a first waterproof line for the slope rain water seepage, and the pore canal of the inclined water collecting pipe is positioned in front of the sliding belt;
step 3, adjusting the included angle between the guide rail of the drilling machine and the slope surface, namely the angle of the drill bit entering the soil, drilling the pre-buried holes of the pipeline, and cleaning residual soil according to the gradient requirement of pipeline laying;
step 4, inserting a water collecting pipe: immediately inserting a water collecting pipe to prevent hole collapse after the drilling of the pre-buried holes of the pipeline is completed;
step 5, excavating a drainage groove (1): paying off the drainage groove (1) according to the construction drawing, and excavating the drainage groove (1) according to the on-site soil property condition.
2. The construction method of the slope negative pressure suction drainage reinforcement system according to claim 1, wherein the position of the slide belt in the step 2 is determined according to the following formula:
wherein:the inner friction angle of the soil is H, the slope height is H, beta is a slope angle of the slope, the slope foot is a circle center of a coordinate system, the y-axis direction is positive, and the x-axis positive direction points to the slope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210334820.9A CN114606960B (en) | 2022-03-31 | 2022-03-31 | Slope negative pressure suction drainage reinforcement system and method |
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| CN202210334820.9A CN114606960B (en) | 2022-03-31 | 2022-03-31 | Slope negative pressure suction drainage reinforcement system and method |
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| CN114606960B true CN114606960B (en) | 2023-12-08 |
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| CN115053722B (en) * | 2022-06-15 | 2023-06-30 | 金华市农业科学研究院(浙江省农业机械研究院) | Water quantity control equipment and method for verifying influence of soil water content on effective tillering number of cane shoots |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714738A (en) * | 2016-03-09 | 2016-06-29 | 华北水利水电大学 | Method for studying composite structure stability of ecological concrete slope protection |
| CN106592525A (en) * | 2016-11-28 | 2017-04-26 | 浙江大学 | Self-starting type side slope siphoning drainage system |
| CN106592544A (en) * | 2016-11-28 | 2017-04-26 | 浙江大学 | Device for assisting in side slope water drainage through wave energy |
| CN107246008A (en) * | 2017-06-30 | 2017-10-13 | 浙江大学 | A kind of side slope protection from draining anchor cable system and its construction method |
| CN109629566A (en) * | 2019-01-16 | 2019-04-16 | 宁夏大学 | A kind of vacuum drainage anchor pole and its construction method |
-
2022
- 2022-03-31 CN CN202210334820.9A patent/CN114606960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714738A (en) * | 2016-03-09 | 2016-06-29 | 华北水利水电大学 | Method for studying composite structure stability of ecological concrete slope protection |
| CN106592525A (en) * | 2016-11-28 | 2017-04-26 | 浙江大学 | Self-starting type side slope siphoning drainage system |
| CN106592544A (en) * | 2016-11-28 | 2017-04-26 | 浙江大学 | Device for assisting in side slope water drainage through wave energy |
| CN107246008A (en) * | 2017-06-30 | 2017-10-13 | 浙江大学 | A kind of side slope protection from draining anchor cable system and its construction method |
| CN109629566A (en) * | 2019-01-16 | 2019-04-16 | 宁夏大学 | A kind of vacuum drainage anchor pole and its construction method |
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