RU2564163C1 - Method of protecting gullies against erosion with surface runoff - Google Patents

Method of protecting gullies against erosion with surface runoff Download PDF

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Publication number
RU2564163C1
RU2564163C1 RU2014131674/13A RU2014131674A RU2564163C1 RU 2564163 C1 RU2564163 C1 RU 2564163C1 RU 2014131674/13 A RU2014131674/13 A RU 2014131674/13A RU 2014131674 A RU2014131674 A RU 2014131674A RU 2564163 C1 RU2564163 C1 RU 2564163C1
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RU
Russia
Prior art keywords
well
tray
discharge
flow
chambers
Prior art date
Application number
RU2014131674/13A
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Russian (ru)
Inventor
Михаил Иванович Голубенко
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Михаил Иванович Голубенко
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Priority to RU2014131674/13A priority Critical patent/RU2564163C1/en
Application granted granted Critical
Publication of RU2564163C1 publication Critical patent/RU2564163C1/en

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Abstract

FIELD: agriculture.
SUBSTANCE: method comprises placement on top 1 of the feed tray 2 connected with the outlet portion to the upper part of the well 4. The discharge trays 8, 9, 10 are mounted close and sequentially to the well 4, with the chambers 11, 12, 13 decreasing in height towards the bottom of the gully. The lower part of the well 4 and the mounted energy damping elements, made in the form of chambers 11, 12, 13, are embedded in the permeable layer 18. In the lower parts of the well 4 and the chambers 11, 12, 13 the perforation 20 is made. The discharge tray 8 is provided with a slotted hole 14 coinciding with the mark of the bottom of the discharge tray 8. Through slotted hole 14 the well 4 is communicated to the discharge tray 8 along the flow stream. The upper part of the wall 5 of the well 4 is provided with a visor 7 additionally bent toward the feed tray 2. The wall of the discharge tray 8 is provided with openings for the inlet tubes 16. In the well 4 and the discharge chambers 11, 12, 13 the grating 17 is mounted, having longitudinal slots towards the stream flow in front of discharge trays 8, 9, 10. The wall of the last discharge tray 10 is connected to a polyethylene tube 23 made perforated in its end portion, and entered to the protective pad 26 in the bottom of the gully, made of stamped rubble.
EFFECT: increased degree of energy dissipation of discharge stream and reduced distribution of the wave flow, which increases the reliability and lifetime of the structure of the water-collecting device to protect the gully against erosion.
1 dwg

Description

The invention relates to agriculture, in particular to methods of combating soil erosion on slopes and preventing the growth of ravines, and can be used as a hydraulic differential.
A known method of protecting slopes from erosion, including creating an arcuate trench at the top of the ravine, located horizontally, with a water-retaining shaft, arranging a water-retaining screen in it filled with inorganic filler and filtering material on top (Copyright certificate SU No. 1653553, class A01B 13 / 16 dated 06/07/1991).
The disadvantage of this method is: high cost due to the nature of the use of polyethylene pipe materials that are laid in a trench, high laboriousness, in addition, the need for a large number of digging pits for planting woody plants and fixing them until a positive effect on their growth and development is achieved, especially in the beginning of their life cycle.
A known method of protecting slopes from water erosion, including creating at the top of the ravine an arched trench located horizontally with a water-retaining earthen rampart and arranging in it a water-retaining screen filled with an inorganic storage device, and on top of it with filter material, while the inorganic filler is made of plastic balls with through holes, capable of holding water with further gradual filtration of it into the soil (Patent RU No. 2467543, class A01B 13/16; E02B 11/00 of 11/27/2012).
The disadvantage of this method is that the delayed surface runoff, draining into the trench with a large influx of water in spring or summer during heavy rains at the surface of the trench, there is a large accumulation of water. As a result of this, there is a danger of pressure and water velocity, under the influence of which soil particles move to the trench, they become clogged by the boundary layer of the filtration material. Its permeability decreases and, ultimately, the permeability of the layer to the lower permeable layer under the well decreases. In addition, the implementation of such a configuration of the trench is very problematic for water to enter the permeable soil layer with the possibility of removal, for example, into the river.
The closest technical solution is a device for protecting the ravine from erosion by a surface drain, including the creation of an inlet tray connected to the upper part of the well by the outlet section, connecting the tray to the bottom of the ravine, while the lower part of the well is buried in a permeable layer and the well is made in the form of successively installed to a friend of the elements of suppression of energy with decreasing height in the direction of the bottom of the ravine, a spillway and perforation in the walls of the elements of suppression (Copyright certificate SU No. 1604 172, CL A01B 13/16; E02B 8/06 of 11/07/1990).
The disadvantage of this method of installing tubular elements (wells) is that when operating such a device during torrential rains and floods, large flow rates occur, respectively, the water flow rate increases, as a result of which the necessary degree of damping of the energy of the waste stream is not provided, which creates great excitement and the propagation of wave phenomena in the direction of the occurrence of splashes and the occurrence of water erosion in the places of installation of the device, the structure is washed, and the bottom of the ravine can times crumble. In addition, the installation of wells to each other causes difficulties in their tight connection between the walls, which also causes water leakage at the joints between the walls and the structure is washed and can be destroyed.
The objective of the invention is to increase the degree of quenching of the energy of the waste stream and preventing the propagation of the wave stream, that is, increasing the reliability and service life of the spillway collecting device to protect the ravine from erosion.
The technical result is achieved due to the fact that in the method of protecting the ravine from erosion by a surface drain, including the creation of an inlet tray connected by the output section to the upper part of the well, the lower part of the well is buried in a permeable layer with installed elements of energy suppression with decreasing towards the bottom of the ravine a height, a spillway and perforation in the walls of the damping elements, an outlet tray is provided behind the wall of the well, which is provided with a slotted hole matching the mark of the bottom of the outlet the well and through the slotted hole, the well is communicated with the discharge chute along the flow, while the upper part of the well is provided with an additional curved visor towards the inlet chute, and the wall of the chute is provided with openings for the exhaust tubes, while a grill is installed in the well and in the chambers longitudinal slots in the direction of the flow in front of the outlet trays, and the wall of the last outlet tray is connected to a polyethylene pipe made perforated in its end part and you lead into a protective pillow at the bottom of the ravine, made of rammed gravel.
The drawing shows a diagram of a device for a method of protecting a ravine from erosion by a surface drain, a section.
A way to protect the ravine from erosion by a surface drain is to place a supply tray 2 on top 1 between the drainage shafts 3. The output section of the supply tray 2 is connected to the upper part of the first of a number of vertical wells 4. The wall 5 of the well is made in the form of a partition 6, the top of which is provided curved visor 7 in the direction of the inlet tray 2. To the well 4, outlet trays 8, 9, 10 with cameras 11, 12, 13 are closely and consecutively installed with the flow of the flood. The outlet tray 8 from the side of the wall 5 through the slot 14 is connected to the well 4, the slot of which coincides with the mark of the bottom of the drain tray 8. In the upper part of the wall 5, a spillway 15 is provided, while the wall of the drain tray 8 is provided with openings for the inlet tubes 16, which are fences. The inner part of the well 4 and chambers 11, 12, 13 are equipped with a slope of the lattice 17 with slots in the direction of the water flow outlet, and the lower parts of the well 4 and chambers 11, 12, 13 are buried in a permeable layer 18 of the thickness of the soil under the waterproof layer 19 and perform with perforation 20. In the last chamber 13 in the lower part, perforation 21 is made in the bottom 21. The bottom of the well 4, chambers 3 and 9 are made in the form of a sand layer 22. A waste polyethylene pipe 23 is attached at one end to the wall of the chamber 13 and laid on a slope 24. Bottom pipes 23 with perforation 25 lead to a protective cushion 26 in the bottom of the ravine, made nnuyu ramming of rubble.
The way to protect the ravine from erosion by surface runoff works as follows.
The surface drain directed by the shafts 3 into the inlet tray 2 and, falling into the well 4, is delayed by the wall 5 and then enters the outlet tray 8, 9, 10. The concave part of the visor 7 directs the flow to the wall 5, there is an impact with the lattice 15 and the flow at this partially extinguishes its energy. Since only a part of the flow energy is extinguished in the well 4, depending on the volume of incoming water, the flow velocity and filling of the well 4, the water flows into the outlet tray 8, passes through a slot hole 12 arranged at the same level as the bottom mark of the tray 8, and through the spillway 13 formed by the wall 5 with a reduced height, flooding of the hydraulic jump occurs. Water then flows into the outlet tray 9 through the outlet pipes 14, which are intakes, water is backed up in the outlet tray 9 and the surface movement of water is smoothed out, and a calmed flow through the outlet in the tray 10 enters the waste polyethylene pipe 19. Around the bottom of the polyethylene pipe 19 Crushed stone 22 is tamped into the bottom of the ravine, which leads to its strengthening and reduction in the amount of manual work and leads to the complete extinction of its energy when the residual water passes through a polyethylene pipe 19 with perforation 20. Total the perforation area 20 may be greater than or equal to the cross-sectional area of the pipe 19.
Due to the gradual stepwise filtration of water into the permeable layer 16, accompanied by intensive quenching of the flow energy, the environmental situation from erosion by the surface drain of the ravine is improved, which also provides an increase in the flow of water passing through the elements of the tray devices. The proposed method of protecting the ravine from erosion by surface runoff will increase the degree of quenching of the energy of the effluent and reduce the spread of wave flow, as well as increase the reliability of the structure and can be used to protect slopes of ravines and slopes from water erosion.
Thus, the implementation of the proposed method involves performing sequential operations: installing a discharge stream in the path, in which it is necessary not only to provide filtration into the permeable layer of the soil under the water-resistant layer, but also to extinguish the energy by installing quenching elements along the water flow path, designed to protect against water erosion of slopes of a ravine and slopes.

Claims (1)

  1. A method of protecting a ravine from erosion by a surface drain, including the creation of an inlet tray connected to the upper part of the well by the outlet section, wherein the lower part of the well and installed elements for damping energy with a height decreasing in the direction of the bottom of the ravine are buried in a permeable layer, a drainage cutout and perforation in the walls of the elements blanking, characterized in that behind the wall of the well perform a discharge tray, which is provided with a slot hole coinciding with the mark of the bottom of the discharge tray, and through the slotted the holes of the well communicate with the discharge chute along the flow, while the upper part of the wall of the well is provided with an additional curved visor towards the inlet chute, and the wall of the chute is provided with openings for the inlet tubes, while in the well and in the chambers a grate is installed with longitudinal slots to the side the flow flow in front of the outlet trays, the wall of the last outlet tray being connected to a polyethylene pipe made perforated in its end part and discharged into the protective cushion in the bottom ravine, made of rammed gravel.
RU2014131674/13A 2014-07-30 2014-07-30 Method of protecting gullies against erosion with surface runoff RU2564163C1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2633772C1 (en) * 2016-07-20 2017-10-18 Михаил Иванович Голубенко Device for fighting ravine erosion
CN111287218A (en) * 2020-02-26 2020-06-16 深圳市宏大建设集团有限公司 Pressure energy dissipation well for connecting dam sewage pipe network and construction process thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU166606A1 (en) *
SU1604172A1 (en) * 1988-07-22 1990-11-07 Всесоюзный Научно-Исследовательский Институт Агролесомелиорации Device for protecting gullies against outwashing with surface flow
RU102451U1 (en) * 2010-06-15 2011-03-10 Государственное образовательное учреждение высшего профессионального образования "Волгоградский государственный архитектурно-строительный университет" (ВолгГАСУ) Device for struggle against erasion
CN102071697A (en) * 2011-02-12 2011-05-25 河海大学 Hard reinforced concrete revetment slope biological repairing method
CN203684178U (en) * 2013-12-17 2014-07-02 浙江省电力设计院 High water head and mass flow flood discharge and energy dissipation pool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU166606A1 (en) *
SU1604172A1 (en) * 1988-07-22 1990-11-07 Всесоюзный Научно-Исследовательский Институт Агролесомелиорации Device for protecting gullies against outwashing with surface flow
RU102451U1 (en) * 2010-06-15 2011-03-10 Государственное образовательное учреждение высшего профессионального образования "Волгоградский государственный архитектурно-строительный университет" (ВолгГАСУ) Device for struggle against erasion
CN102071697A (en) * 2011-02-12 2011-05-25 河海大学 Hard reinforced concrete revetment slope biological repairing method
CN203684178U (en) * 2013-12-17 2014-07-02 浙江省电力设计院 High water head and mass flow flood discharge and energy dissipation pool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2633772C1 (en) * 2016-07-20 2017-10-18 Михаил Иванович Голубенко Device for fighting ravine erosion
CN111287218A (en) * 2020-02-26 2020-06-16 深圳市宏大建设集团有限公司 Pressure energy dissipation well for connecting dam sewage pipe network and construction process thereof

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