CN217711021U - Air suction type slope negative pressure active drainage system - Google Patents
Air suction type slope negative pressure active drainage system Download PDFInfo
- Publication number
- CN217711021U CN217711021U CN202221326391.2U CN202221326391U CN217711021U CN 217711021 U CN217711021 U CN 217711021U CN 202221326391 U CN202221326391 U CN 202221326391U CN 217711021 U CN217711021 U CN 217711021U
- Authority
- CN
- China
- Prior art keywords
- drainage
- pipe
- slope
- negative pressure
- pressure active
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model discloses an air suction type slope negative pressure active drainage system, which belongs to the technical field of slope drainage in geotechnical engineering.A drainage hole is arranged below the slope surface of a slope body, a drainage pipe is arranged in the drainage hole, the tail end of the drainage pipe is sequentially connected with a connecting pipe and a vacuum pump in a sealing way, and a drainage groove is excavated at the drainage hole of the vacuum pump; the drain pipe comprises an inner layer PVC pipe, a filtering interlayer and an outer layer steel pipe which are coaxially sleeved from inside to outside in sequence; the outer layer steel pipe is fixedly connected with the filtering interlayer by a buckle; a through groove is formed in the top wall of the inner-layer PVC pipe, a vertical drainage plate is installed at the through groove, and the bottom end of the vertical drainage plate extends into the drainage pipe; the outer layer steel pipe consists of a water intercepting section and a water discharging section, and a plurality of through holes which are uniformly distributed are formed in the outer wall of the water intercepting section; the drainage pipe solves the technical problems that the existing drainage pipe in the side slope drainage is easy to break, is silted up and is not beneficial to replacement.
Description
Technical Field
The utility model belongs to the technical field of slope drainage among the geotechnical engineering, concretely relates to bleeder slope negative pressure initiative drainage system.
Background
With the development of engineering construction of roads, railways and the like and the deep development of mineral resources, the slope engineering is promoted to be continuously developed, and the problem of slope stability is gradually highlighted. Due to the unique physical and chemical properties of the slope soil body, the slope soil body is extremely sensitive to environmental factors such as temperature, humidity, stress, underground water and the like, and is easy to soften and disintegrate when meeting water, so that the slope is unstable. If the soil is invaded by heavy rain, the effective stress among soil particles is reduced, the stability of the side slope is reduced, and natural disasters such as landslide and the like can be caused.
At present, a plurality of slope drainage methods are available, most of the slope drainage methods utilize capillary phenomenon and siphon phenomenon to drain water, are only suitable for clay with small permeability coefficient, and are difficult to play a role in soil bodies with large permeability coefficients such as sandy soil and the like. When the inclined drainage pipe is used for draining underground water, silt is filtered by a method of wrapping geotextile on the outer wall of the drainage pipe, so that the drainage pipe is prevented from being silted up, the actual effect is not obvious, silting up often occurs, and the drainage efficiency is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an air suction type slope negative pressure active drainage system to solve the technical problems that the drainage pipe in the existing slope drainage is easy to break, is silted up and is not beneficial to replacement.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
an air suction type slope negative pressure active drainage system comprises a slope body, wherein a drainage hole is formed below the slope surface of the slope body, a drainage pipe is arranged in the drainage hole, the tail end of the drainage pipe is sequentially connected with a connecting pipe and a vacuum pump in a sealing mode, and a drainage groove is formed in the drainage hole of the vacuum pump in an excavation mode; the drain pipe comprises an inner layer PVC pipe, a filtering interlayer and an outer layer steel pipe which are coaxially sleeved from inside to outside in sequence; the outer layer steel pipe is fixedly connected with the filtering interlayer by a buckle; a through groove is formed in the top wall of the inner-layer PVC pipe, a vertical drainage plate is installed at the through groove, and the bottom end of the vertical drainage plate extends into the drainage pipe; the outer steel pipe comprises water intercepting section and drainage section, sets up a plurality of evenly distributed's through-hole on the outer wall of water intercepting section.
Preferably, the filter insert is of a honeycomb structure.
Preferably, the vertical drain plate is made of dense filter material.
Preferably, the outer steel pipe is a stainless steel pipe.
Preferably, the drain hole is inclined upward from an end of the vacuum pump.
Preferably, the lengths of the cut-off section and the drainage section are arranged in proportion to 1:2.
Preferably, the drain pipe and the connecting pipe are in sealing connection by adopting a sealing plug, the connecting pipe and the vacuum pump are in sealing connection by adopting a sealing plug, and the sealing plug is made of rubber materials.
Preferably, the top of the vacuum pump is provided with a plurality of solar photovoltaic panels.
Preferably, the drainage channel is excavated along the slope surface, adopts grouted rubble, and inclines downwards.
Preferably, a grouting layer is arranged at the outer wall of the drainage section.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an air exhaust type slope negative pressure active drainage system, the end of a drain pipe is sequentially connected with a connecting pipe and a vacuum pump in a sealing way, a drainage groove is excavated at the drainage port of the vacuum pump, the system generates negative pressure to actively drain water due to the arrangement of the vacuum pump, the application range is wider, the problem that some drain pipes are only suitable for cohesive soil is solved, and the drainage efficiency is greatly improved; the drainage pipe comprises an inner layer PVC pipe, a filtering interlayer and an outer layer steel pipe which are coaxially sleeved from inside to outside in sequence, the filtering interlayer is arranged to carry out coarse filtering on pressed water so as to prevent the drainage pipe from being blocked, the drainage of the drainage pipe is not influenced, meanwhile, the outer layer steel pipe is supported, the stability of the drainage pipe is enhanced, the breakage of the drainage pipe is effectively reduced, and the service life of the whole drainage pipe is prolonged; the outer layer steel pipe also has higher compressive strength, plays a role in supporting and improves the stability of the drain pipe; outer steel pipe and filtration intermediate layer adopt the buckle rigid coupling, are convenient for change and filter the intermediate layer, use fixed age or meet to change when silting up, reach long-term effective drainage function, have satisfied the needs of side slope drainage.
Furthermore, the filtering interlayer is of a honeycomb structure, so that the strength of the filtering interlayer is improved, the outer steel pipe is supported, the anti-extrusion capacity is strong, the breakage of the drain pipe is effectively reduced, and the service life of the whole drain pipe is prolonged.
Further, vertical drain bar is made by closely knit filter material, and when the drainage, the further filtering action to rivers has also been played in littleer filter clearance.
Furthermore, outer steel pipe is the stainless steel pipe, has higher compressive strength, plays the supporting role, has improved the stability of drain pipe, and is more durable.
Furthermore, one end, far away from the vacuum pump, of the drain hole is inclined upwards, so that water flow is conveniently drained to the vacuum pump, and the drainage efficiency is improved.
Furthermore, the top of the vacuum pump is provided with a plurality of solar photovoltaic panels, so that sufficient energy supply is provided, and the drainage efficiency is improved.
Further, the outer wall department of drainage section is provided with the slip casting layer, plays the fixed action to the drain pipe, prevents that the drain pipe from breaking because of removing, also produces sealed effect to the hole simultaneously, prevents gas leakage, does benefit to the quick formation of negative pressure.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view taken at A in FIG. 1;
fig. 3 is a schematic structural view of the drain pipe of the present invention.
Wherein: 1-a slope body; 2-a drain hole; 3, a drain pipe; 4-sealing plug; 5-connecting pipe; 6-a vacuum pump; 7-solar photovoltaic panel; 8-a drainage groove; 9-grouting layer; 31-outer layer steel pipe; 32-a filtration sandwich; 33-inner layer PVC pipe; 34-vertical drainage plates; 311-a water intercepting section; 312-drainage section.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, an air suction type slope negative pressure active drainage system comprises a slope body 1, a drainage hole 2, a drainage pipe 3, a sealing plug 4, a connecting pipe 5, a vacuum pump 6, a solar photovoltaic panel 7, a drainage groove 8 and a grouting layer 9; the slope body 1 can be a clay side slope, a sandy soil side slope and the like, a drain hole 2 is formed below the slope surface of the slope body 1, one end, far away from the vacuum pump 6, of the drain hole 2 inclines upwards, the inclination angle is 10 degrees, and the diameter of the drain hole 2 is 130mm; the drain hole 2 is used for placing a drain pipe 3, a grouting layer 9 is used for sealing between the drain hole 2 and the drain pipe 3, and the tail end of the drain pipe 3 is sequentially connected with a connecting pipe 5 and a vacuum pump 6; the drain pipe 3 is hermetically connected with the connecting pipe 5 by adopting a sealing plug 4, the connecting pipe 5 is hermetically connected with the vacuum pump 6 by adopting the sealing plug 4, and the sealing plug 4 is made of rubber material; the top of the vacuum pump 6 is provided with four solar photovoltaic panels 7, the solar photovoltaic panels 7 are used for providing electric power energy for the work of the vacuum pump 6, and the vertical height of the solar photovoltaic panels 7 from the slope body 1 is 2m; the drainage port department excavation of vacuum pump 6 has water drainage tank 8, and water drainage tank 8 adopts the grout rubble along domatic excavation, the downward sloping.
The grouting layer 9 has a fixing function on the drain pipe 3, prevents the drain pipe from being broken due to movement, and simultaneously has a sealing function on the hole to prevent air leakage and facilitate quick formation of negative pressure; negative pressure is formed by the vacuum pump 6 to press water flow in the slope body 1 into the drain pipe 3, and water pressed into the drain pipe 3 enters the drain groove 8 along a drain outlet of the vacuum pump 6 to be discharged.
Referring to fig. 2, the drain pipe 3 comprises an inner layer PVC pipe 33, a filtering interlayer 32 and an outer layer steel pipe 31 which are coaxially sleeved from inside to outside in sequence, a through groove is formed in the top wall of the inner layer PVC pipe 33, a vertical drain board 34 is installed at the through groove, the bottom end of the vertical drain board 34 extends to the inside of the drain pipe 3, the vertical drain board 34 adopts compact filtering material, and a smaller filtering gap also plays a role in further filtering water flow during drainage; the filter sandwich 32 is of a honeycomb structure; the filtering interlayer 32 is sealed inside the outer steel pipe 31, and plays a certain supporting role for the outer steel pipe 31, so that the stability of the drain pipe is improved, the breakage of the drain pipe is effectively reduced, and the service life of the whole drain pipe is prolonged; the filtering interlayer 32 is used for coarsely filtering the pressed water to prevent the drain pipe 3 from being blocked, and the filtering interlayer 32 in the drain pipe 3 is convenient to replace by adopting buckle fixation; the outer layer steel pipe 31 is a stainless steel pipe, has high compressive strength, plays a supporting role and improves the stability of the drain pipe.
Referring to fig. 3, the outer layer steel pipe 31 is composed of a water interception section 311 and a water drainage section 312, the length of the water interception section 311 is arranged according to the proportion of 1:2, wherein the outer wall of the water interception section 311 is provided with a plurality of uniformly distributed through holes; the grouting layer 9 is arranged at the drainage section 312 to seal the drainage pipe 3 and the drainage hole 2; after the vacuum pump 6 is started, the water flow enters the filtering interlayer 32 along the water intercepting section 311, then flows into the inside of the water drainage pipe 3 from the vertical water drainage plate 34, and finally flows out from the water drainage section 312.
An air suction type slope negative pressure active drainage system comprises the following steps when in use:
s1, drilling a side slope; the slope body 1 is usually inclined at a certain angle, and lofting is carried out according to a design drawing; the slope body 1 is provided with a pneumatic drill for hole forming, the drill adopts a cylindrical drill, and the upward pitch angle of the hole opening is 10 degrees.
S2, assembling the drain pipe 3; insert drain pipe 3 with filtering intermediate layer 32 and vertical drain bar 34, guarantee both and closely laminate, insert inlayer PVC pipe 33 again in proper order to the buckle is lived, can accomplish the equipment of drain pipe.
S3, constructing a drain pipe; firstly, an assembled drain pipe 3 is installed in a drain hole 2, an annular baffle is arranged at the junction of a drain section 312 and a water interception section 311 in advance for separation, a grouting pipe is used for penetrating into one side of the drain section 312, grouting is carried out at the annular baffle, the grouting pipe is connected into a grouting pump to slowly press cement mortar into a gap, and grouting is finished when the gap is full of grout or a small amount of grout overflows.
S4, installing a vacuum pump 6; the method comprises the following steps of placing a vacuum pump 6 at a platform excavated on a slope 1 to keep stable, adopting solar photovoltaic panels 7 as main energy supply, arranging four solar photovoltaic panels 7 along the slope, and placing the four solar photovoltaic panels at 45 degrees and 2m away from the slope; the drain pipe 3 is connected with a vacuum pump 6 through a connecting pipe 5, and the joint is connected with a sealing plug 4; a drain groove 8 is dug at the end of the drain port of the vacuum pump 6, and finally the drain pipe of the vacuum pump device 6 is placed on the top of the drain groove 8.
The drainage channel 8 is implemented according to the relevant terms in the technical Specification of the slope engineering of buildings.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (10)
1. An air suction type slope negative pressure active drainage system is characterized by comprising a slope body (1), a drainage hole (2) is formed below the slope surface of the slope body (1), a drainage pipe (3) is placed in the drainage hole (2), the tail end of the drainage pipe (3) is sequentially connected with a connecting pipe (5) and a vacuum pump (6) in a sealing mode, and a drainage groove (8) is excavated at the drainage hole of the vacuum pump (6);
the drain pipe (3) comprises an inner layer PVC pipe (33), a filtering interlayer (32) and an outer layer steel pipe (31) which are coaxially sleeved from inside to outside in sequence; the outer layer steel pipe (31) is fixedly connected with the filtering interlayer (32) by a buckle;
a through groove is formed in the top wall of the inner-layer PVC pipe (33), a vertical drainage plate (34) is installed at the through groove, and the bottom end of the vertical drainage plate (34) extends into the drainage pipe (3); the outer layer steel pipe (31) is composed of a water intercepting section (311) and a water draining section (312), and a plurality of through holes which are uniformly distributed are formed in the outer wall of the water intercepting section (311).
2. The suction slope negative pressure active drainage system according to claim 1, wherein the filter interlayer (32) is of a honeycomb structure.
3. The suction slope negative pressure active drainage system according to claim 1, wherein the vertical drainage plate (34) is made of dense filter material.
4. The suction type slope negative pressure active drainage system according to claim 1, wherein the outer steel pipe (31) is a stainless steel pipe.
5. The suction slope negative pressure active drainage system according to claim 1, wherein one end of the drainage hole (2) far away from the vacuum pump (6) is inclined upwards.
6. The suction type slope negative pressure active drainage system according to claim 1, wherein the lengths of the intercepting section (311) and the drainage section (312) are arranged according to the proportion of 1:2.
7. The suction type slope negative pressure active drainage system according to claim 1, wherein the drainage pipe (3) is connected with the connecting pipe (5) in a sealing manner by a sealing plug (4), the connecting pipe (5) is connected with the vacuum pump (6) in a sealing manner by the sealing plug (4), and the sealing plug (4) is made of rubber material.
8. The suction type slope negative pressure active drainage system according to claim 1, characterized in that a plurality of solar photovoltaic panels (7) are arranged on the top of the vacuum pump (6).
9. The suction type slope negative pressure active drainage system according to claim 1, wherein the drainage channel (8) is excavated along the slope surface and is inclined downwards by using grouted rubble.
10. The suction type slope negative pressure active drainage system according to claim 1, wherein a grouting layer (9) is arranged at the outer wall of the drainage section (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326391.2U CN217711021U (en) | 2022-05-30 | 2022-05-30 | Air suction type slope negative pressure active drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326391.2U CN217711021U (en) | 2022-05-30 | 2022-05-30 | Air suction type slope negative pressure active drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217711021U true CN217711021U (en) | 2022-11-01 |
Family
ID=83795214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221326391.2U Active CN217711021U (en) | 2022-05-30 | 2022-05-30 | Air suction type slope negative pressure active drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217711021U (en) |
-
2022
- 2022-05-30 CN CN202221326391.2U patent/CN217711021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105178289A (en) | Prefabricated downcast pipe pile in building foundation pit and use method thereof | |
| CN103046565A (en) | Draining method for ultra-deep batholith deep foundation pit | |
| CN217711021U (en) | Air suction type slope negative pressure active drainage system | |
| CN205012325U (en) | Prefabricated precipitation tubular pile in building foundation | |
| CN217630227U (en) | Abandonment well whole well seals and fills structure | |
| CN209603202U (en) | Basement anti-floating discharge structure | |
| CN216892484U (en) | Recoverable double-casing light well point dewatering device | |
| CN211946573U (en) | Become permeability funnel type permeable reactive barrier repair system | |
| CN214245859U (en) | Basement bottom plate drainage pressure relief device | |
| CN210635873U (en) | Silt consolidation dehydration treatment device of bottom vacuum drainage | |
| CN212336114U (en) | Green ecological self-drainage anti-floating device for sloping field building | |
| CN110663512B (en) | Water-saving surface irrigation and low-pressure underground pipe network recharging and supplementary mining coupling system for super mining area | |
| CN109610430B (en) | Layered vacuum rapid consolidation method for hydraulic reclamation site | |
| CN111206624A (en) | Pressure-reducing anti-floating structure for underground construction/structure and construction method | |
| CN111153529A (en) | Variable permeability funnel type permeable reactive barrier repairing system and construction method | |
| CN112195980A (en) | Water-resisting pressure-controlling anti-floating structure and construction method | |
| JP2003328344A (en) | High lift wellpoint apparatus | |
| CN220013741U (en) | Anti-floating blind drain system applied to deep foundation pit | |
| CN217053460U (en) | Water drainage device for resisting floating of underground building | |
| CN217299969U (en) | Basement water seepage seam treatment facility | |
| CN116988499B (en) | Site foundation pit drainage device and construction method thereof | |
| CN219033265U (en) | Precipitation device suitable for dark little foundation ditch | |
| CN219034813U (en) | Quick construction pipeline device for dewatering well | |
| CN219951896U (en) | Soft soil foundation sealing drainage structure | |
| CN219753412U (en) | Roadbed drainage structure suitable for plain region silty soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |