CN208072351U - A kind of siphoning installation of discharge slope underground water - Google Patents

A kind of siphoning installation of discharge slope underground water Download PDF

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Publication number
CN208072351U
CN208072351U CN201820447847.8U CN201820447847U CN208072351U CN 208072351 U CN208072351 U CN 208072351U CN 201820447847 U CN201820447847 U CN 201820447847U CN 208072351 U CN208072351 U CN 208072351U
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water
pipe
drilling
standpipe
siphon pipe
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CN201820447847.8U
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孙红月
尚岳全
范雲鹤
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses a kind of siphoning installations of discharge slope underground water, a kind of siphoning installation of discharge slope underground water, the device is by drilling, standpipe, water-permeable pipe, siphon pipe, collecting-tank forms, on slope, slope surface drills the drilling to be formed and be had a down dip, standpipe is placed in foot of hole, water-permeable pipe is inserted into standpipe, the siphon pipe of internal diameter 4mm is inserted into water-permeable pipe, the water inlet of siphon pipe is in the bottom of standpipe, the water outlet of siphon pipe is placed in the lower part slope surface on slope, height difference between water inlet and drilling orifice is more than the water-column corresponding to local atmospheric pressure, water outlet elevation is less than water inlet, siphon pipe is filled into water and completes siphon startup, the underground water of slopes is discharged by siphon when slopes level of ground water rises.The present apparatus can realize that the underground water in discharge slope deep in real time, drainage procedure are not necessarily to power and regular management service.

Description

A kind of siphoning installation of discharge slope underground water
Technical field
The invention belongs to hydraulic engineering fields, and in particular to a kind of siphoning installation of discharge slope underground water is suitable for real When be discharged slope underground water needs, reach reduce rainy season slopes level of ground water ascensional range, it is steady to be particularly suitable for potential slope The qualitative batter drainage mainly influenced by WATER LEVEL CHANGES, achievees the purpose that prevent Slope disaster.
Background technology
It is the principal element for inducing slope that rainfall infiltration, which causes slopes level of ground water to rise,.The rising of slopes level of ground water is one The cumulative process of a rain infiltration takes effective drainage measure that slopes underground water is discharged in real time, prevents from slopes underground water Position is substantially increased during heavy showers, to reduce slope geological hazard.The arterial drainage measure on current slope has;Ground Table gutter and weeper drain, sump draw water, horizontal drainage channel, subdrainage hole etc..By the strong infiltration of the loose ground of earth's surface Property influence, the effectiveness of drainage of surface drainage ditch and weeper drain is difficult to ensure;Sump, which draws water, needs power and regular pipe Reason, energy consumption is big, and use cost is high;Horizontal drainage channel water-collecting capacity is poor, is easy to happen blocking failure, influences drainage measure Long-term effectiveness;Subdrainage hole complicated construction technique, the construction period is long, costly.
Invention content
The present invention is directed to the deficiency of existing batter drainage technology, provides a kind of siphoning installation of discharge slope underground water, with It solves the problems, such as that slopes level of ground water excessively rises and induces Slope disaster.The siphoning installation of the present invention can not only be arranged real-time and efficiently Go out the underground water in side slope deep, and is not necessarily to later maintenance.
The technical scheme is that:It is a kind of discharge slope underground water siphoning installation, the device by drilling, standpipe, Water-permeable pipe, siphon pipe, collecting-tank composition, the drilling to be formed and be had a down dip is drilled in slope surface, and standpipe, standpipe are placed in foot of hole Middle insertion water-permeable pipe is inserted into siphon pipe in water-permeable pipe, and the water inlet of siphon pipe is in the bottom of standpipe, the water outlet of siphon pipe Mouthful be placed in collecting-tank, in lower slope, the elevation of collecting-tank is less than the elevation of foot of hole for collecting-tank setting, siphon pipe into Height difference between the mouth of a river and the aperture of drilling is more than the water-column corresponding to local atmospheric pressure, a diameter of 4mm of siphon pipe, often Siphon pipe quantity in a drilling is 3-4 roots, and the material of siphon pipe is PA materials.
Siphon pipe is filled water and completes siphon startup, when slopes level of ground water rises, passes through siphon by device initial start-up The underground water of slopes is discharged, slopes level of ground water declines, and when lift water-column corresponding more than local atmospheric pressure, siphon is temporary When stop, when rainfall occurs again, level of ground water increases in slopes, and siphonage is again started up, and above process cycle occurs.
The drilling that has a down dip drills to be formed using drilling machine, and the position for the drilling that has a down dip is determined on needing the slope slope surface drained Set, according to slopes level of ground water control require determine drilling inclination angle and hole depth, between the aperture and bottom hole of drilling it is vertical away from The diameter of 2m or more high from water-column more corresponding than local atmospheric pressure, drilling are not less than 75mm.
The water-permeable pipe can be such that the underground water of slopes smoothly penetrates into pipe and flow in the standpipe of bottom hole, and thoroughly Water pipe can be effectively isolated the ground particle that grain size is more than 1mm, prevent coarse granule from entering in water-permeable pipe;Water-permeable pipe has enough Intensity can not be destroyed under ground squeezing action around drilling, ensure that siphon pipe can smoothly be inserted into water-permeable pipe arrival Bottom hole;The outer diameter of water-permeable pipe is 50-60mm, and insertion drilling is facilitated to reach bottom;Water-permeable pipe uses and knits geotextiles, inner support HDPE outside Punching bellows, bellows eyelet uses rectangle, the short side width of bellows eyelet to be less than or equal to 1mm, bellows Wall thickness 1-2mm.
The standpipe is managed using the HDPE of length 800mm, wall thickness 3-4mm, and the internal diameter of standpipe is outer than water-permeable pipe The big 2mm of diameter.
The siphon pipe is managed using the PA of internal diameter 4mm, wall thickness 2-3mm, and the inlet end of siphon pipe is in bottom hole water storage The water outlet end of the bottom of pipe, siphon pipe is placed in the lower part slope surface on slope, and drilling is embedding with the siphon pipe fluting on outer slope, Earthing buries thickness and is more than 0.5m, prevents sun direct irradiation siphon pipe and external force from destroying;Siphon pipe water outlet is placed in collecting-tank In.
The base fixed of the collecting-tank, the position of collecting-tank, which is conveniently inspected, to be easy to protect;There is lid in the top surface of collecting-tank Plate can prevent any position of sun direct irradiation siphon pipe;Collecting-tank should install drain discharge monitoring system, and by flow It is discharged to stable raceway groove.
The beneficial effects of the invention are as follows:Using a kind of siphoning installation of discharge slope underground water of the present invention, can arrange in real time Go out the underground water in slope deep, effectively controls rainy season slope rise of groundwater level, solve the draining governing problem on slope, really The low engineering cost for maintaining slope stability is protected, governance process is not related to earthwork evacuation, and harnessing project implementation process is easy to operate Easy, the good reliability of drainage measure is adaptable, and drainage procedure is safeguarded without power and final-period management.
Description of the drawings
Fig. 1 is a kind of structure chart of the siphoning installation of discharge slope underground water of the present invention.
In figure:Drilling 1, standpipe 2, water-permeable pipe 3, siphon pipe 4, collecting-tank 5, slope surface 6.
Specific implementation mode
The present invention is further described with implementation steps below in conjunction with the accompanying drawings.It should be understood that these embodiments are only used for It is bright the present invention rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, ability Field technique personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application appended claims Book limited range.
The present invention propose it is a kind of discharge slope underground water siphoning installation, the device by drilling 1, standpipe 2, water-permeable pipe 3, Siphon pipe 4, collecting-tank 5 form, and the probing of slope surface 6 forms the drilling 1 having a down dip, in the 1 bottom placement standpipe 2 that drills, standpipe 2 It is inserted into water-permeable pipe 3, the siphon pipe 4 in water-permeable pipe 3, the water inlet of siphon pipe 4 is in the bottom of standpipe 2, the water outlet of siphon pipe 4 Mouth is placed in collecting-tank 5, and the setting of collecting-tank 5 is in 6 lower part of slope surface, and the elevation of collecting-tank 5 is less than the elevation of 1 bottom of drilling, siphon Height difference between the water inlet and the aperture of drilling 1 of pipe 4 is more than the water-column corresponding to local atmospheric pressure, and siphon pipe 4 is straight Diameter is 4mm, and 4 quantity of siphon pipe in each drilling 1 is 3-4 roots, and the material of siphon pipe 4 is PA materials.
The drilling 1 that has a down dip drills to be formed using drilling machine, and the position for the drilling 1 that has a down dip is determined in the slope surface 6 that needs drain, According to slopes level of ground water control require determine drilling 1 inclination angle and hole depth, drill 1 aperture and bottom hole between vertical range Water-column high 2m or more more corresponding than local atmospheric pressure, drill 1 diameter be not less than 75mm.
The water-permeable pipe 3 can be such that the underground water of slopes smoothly penetrates into pipe and flow in the standpipe 2 of bottom hole, and Water-permeable pipe 3 can be effectively isolated the ground particle that grain size is more than 1mm, prevent coarse granule from entering in water-permeable pipe 3;Water-permeable pipe 3 has Enough intensity can not be destroyed under ground squeezing action around drilling, it is permeable to ensure that siphon pipe 4 can be smoothly inserted into Pipe 3 reaches bottom hole;The outer diameter of water-permeable pipe 3 is 50-60mm, and insertion drilling is facilitated to reach bottom;Water-permeable pipe using outside knit geotextiles, The punching bellows of inner support HDPE, bellows eyelet use rectangle, the short side width of bellows eyelet to be less than or equal to The outer diameter of 1mm, bellows wall thickness 1-2mm, water-permeable pipe are 50-60mm.
The standpipe 2 using length 800mm, wall thickness 3-4mm HDPE pipes, the internal diameter of standpipe 2 than water-permeable pipe 3 outside The big 2mm of diameter.
The siphon pipe 4 is using the PA pipes of internal diameter 4mm, wall thickness 2-3mm, and drilling is with the fluting of siphon pipe 4 on outer slope Embedding, earthing buries thickness and is more than 0.5m, prevents sun direct irradiation siphon pipe 4 and external force from destroying siphon pipe 4.
The base fixed of the collecting-tank 5, the position of collecting-tank 5, which is conveniently inspected, to be easy to protect;The top surface of collecting-tank 5 has Cover board can prevent any position of sun direct irradiation siphon pipe 4;Collecting-tank 5 should install drain discharge monitoring system, and will Flow is discharged to stable raceway groove.
Specific implementation includes the following steps:
(1) position that the drilling 1 that has a down dip is determined on needing the slope surface 6 drained requires true according to the control of slopes level of ground water Surely drilling 1 inclination angle and hole depth, drill 1 aperture and bottom hole between vertical range water column more corresponding than local atmospheric pressure it is high Spend high 2m or more, drill to form drilling 1 using drilling machine, drill 1 diameter be not less than 75mm;
(2) one end of water-permeable pipe 3 is inserted into standpipe 2 and is fixed to each other;
(3) be inserted into bottom in drilling 1 and be connected with the water-permeable pipe 3 of standpipe 2, enable underground water in slopes smoothly into Enter water-permeable pipe 3 and flows in standpipe 2;
(4) it is inserted into the siphon pipe 4 of a diameter of 4mm of 3-4 roots in the water-permeable pipe 3 of each drilling 1, and fastens and is fixed to each other, It is inserted into drilling together to reach in standpipe 2, ensures the water inlet of siphon pipe 4 in the bottom of standpipe 2;
(5) groove is excavated in slope surface 6, the siphon pipe 4 in slope surface 6 is embedded into the bottom of groove, earthing is buried thick Degree is more than 0.5m, in case external force, which destroys siphon pipe 4 and prevents from shining upon siphon pipe 4, leads to tubing aging;
(6) collecting-tank 5 is built in 6 lower part of slope surface in siphon drainage hole, the siphon pipe 4 that each siphon drainage hole is drawn is discharged Mouth is placed in collecting-tank 5;
(7) high pressure water injection equipment is connected in the water outlet of siphon pipe 4, high pressure is generated by manpower or electric power etc., forced outer Boundary's flow enters siphon pipe 4, reversely flows into slopes by siphon pipe 4, siphon pipe 4 is made to be full of water, stops water filling and by siphon pipe 4 Water outlet be placed in the underwater of collecting-tank 5, form initial siphon;
(8) stable gutter is flowed into after carrying out flow monitoring to the underground water for collecting discharge slopes in collecting-tank 5, when Siphonic process interruption when water level and the height difference on 4 vertex of siphon pipe are more than local atmospheric pressure corresponding water-column in drilling 1, thereafter Numerical analysis of rainfall infiltration causes 1 water level in drilling to rise, when reaching in drilling 1 more than the elevation of siphon pipe control water level, siphon row Water process is restored automatically.
Siphon pipe 4 is filled water and completes siphon startup, when slopes level of ground water rises, passes through rainbow by device initial start-up Suction goes out the underground water of slopes, and slopes level of ground water declines, when lift water-column corresponding more than local atmospheric pressure, siphon It temporarily ceases, when rainfall occurs again, level of ground water increases in slopes, and siphonage is again started up, and above process cycle occurs.

Claims (4)

1. a kind of siphoning installation of discharge slope underground water, which is characterized in that the device is by drilling (1), standpipe (2), permeable (3), siphon pipe (4), collecting-tank (5) composition are managed, the drilling (1) having a down dip is formed in slope surface (6) probing, is put in drilling (1) bottom Set standpipe (2), water-permeable pipe (3) be inserted into standpipe (2), be inserted into siphon pipe (4) in water-permeable pipe (3), siphon pipe (4) into The mouth of a river is in the bottom of standpipe (2), and the water outlet of siphon pipe (4) is placed in collecting-tank (5), and collecting-tank (5) is arranged in slope surface (6) lower part, the elevation of collecting-tank (5) is less than the elevation of drilling (1) bottom, the aperture of the water inlet and drilling (1) of siphon pipe (4) Between height difference be more than the water-column corresponding to local atmospheric pressure, siphon pipe (4) a diameter of 4mm is each to drill in (1) Siphon pipe (4) quantity is 3-4 roots, and the material of siphon pipe (4) is PA materials.
2. a kind of siphoning installation of discharge slope underground water according to claim 1, which is characterized in that the drilling (1) it tilts down, the high 2m of vertical range water-column more corresponding than local atmospheric pressure between the aperture and bottom hole of (1) that drill More than, the diameter of drilling (1) is not less than 75mm.
3. a kind of siphoning installation of discharge slope underground water according to claim 1, which is characterized in that the water-permeable pipe (3) using the punching bellows for knitting geotextiles, inner support HDPE outside, bellows eyelet uses rectangle, the short side of bellows eyelet Width is less than or equal to 1mm, and the outer diameter of bellows wall thickness 1-2mm, water-permeable pipe (3) are 50-60mm.
4. a kind of siphoning installation of discharge slope underground water according to claim 1, which is characterized in that the standpipe (2) use the HDPE pipes of length 800mm, wall thickness 3-4mm, the internal diameter of standpipe (2) bigger 2mm than water-permeable pipe (3) outer diameter.
CN201820447847.8U 2018-03-29 2018-03-29 A kind of siphoning installation of discharge slope underground water Active CN208072351U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110777910A (en) * 2019-11-23 2020-02-11 嘉兴金喜莱科技有限公司 River bank side slope drainage system
CN110792474A (en) * 2019-11-23 2020-02-14 嘉兴金喜莱科技有限公司 Long tunnel drainage system
CN110820915A (en) * 2019-11-23 2020-02-21 丁梅 Side slope drainage system
CN110984197A (en) * 2019-11-25 2020-04-10 浙江大学 Device and method for starting siphon drainage by pressurization
CN111350173A (en) * 2020-03-17 2020-06-30 中国水利水电科学研究院 Method for improving drainage of field shallow buried concealed pipe
CN111794250A (en) * 2020-06-29 2020-10-20 南京华宇建设股份有限公司 Siphon drainage slope protection structure and construction method thereof
CN114575358A (en) * 2022-03-17 2022-06-03 中钢集团马鞍山矿山研究总院股份有限公司 Combined drainage and seepage system suitable for drainage of weak-permeability soil layer slope

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110777910A (en) * 2019-11-23 2020-02-11 嘉兴金喜莱科技有限公司 River bank side slope drainage system
CN110792474A (en) * 2019-11-23 2020-02-14 嘉兴金喜莱科技有限公司 Long tunnel drainage system
CN110820915A (en) * 2019-11-23 2020-02-21 丁梅 Side slope drainage system
CN110777910B (en) * 2019-11-23 2021-03-23 嘉兴金喜莱科技有限公司 River bank side slope drainage system
CN110792474B (en) * 2019-11-23 2021-12-14 嘉兴金喜莱科技有限公司 Long tunnel drainage system
CN110984197A (en) * 2019-11-25 2020-04-10 浙江大学 Device and method for starting siphon drainage by pressurization
CN111350173A (en) * 2020-03-17 2020-06-30 中国水利水电科学研究院 Method for improving drainage of field shallow buried concealed pipe
CN111794250A (en) * 2020-06-29 2020-10-20 南京华宇建设股份有限公司 Siphon drainage slope protection structure and construction method thereof
CN111794250B (en) * 2020-06-29 2021-08-20 南京华宇建设股份有限公司 Siphon drainage slope protection structure and construction method thereof
CN114575358A (en) * 2022-03-17 2022-06-03 中钢集团马鞍山矿山研究总院股份有限公司 Combined drainage and seepage system suitable for drainage of weak-permeability soil layer slope

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