CN206986876U - A kind of deep sand gravel layer seepage flow filter drainage arrangement - Google Patents
A kind of deep sand gravel layer seepage flow filter drainage arrangement Download PDFInfo
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- CN206986876U CN206986876U CN201720914405.5U CN201720914405U CN206986876U CN 206986876 U CN206986876 U CN 206986876U CN 201720914405 U CN201720914405 U CN 201720914405U CN 206986876 U CN206986876 U CN 206986876U
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- drainage
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- floral tube
- monoblock type
- sand gravel
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Abstract
A kind of deep sand gravel layer seepage flow filter drainage arrangement, the monoblock type drainage outer tube to be formed is connected including the first drainage floral tube and the second drainage floral tube, monoblock type drainage outer tube is arranged in osculum, osculum is drilled into sand gravel layer seepage gradient line elevation location upwards at scupper crown, first drainage floral tube is located at the second drainage floral tube top and caliber is slightly less than the second drainage floral tube, and multiple water filtration eyeholes are offered on the tube wall of the first drainage floral tube and the second drainage floral tube；Monoblock type drainage outer tube bottom is connected by three-way connection with the drainpipe being embedded in below scupper crown, and monoblock type drainage outer tube is fixedly installed on scupper crown.A kind of deep sand gravel layer seepage flow filter drainage arrangement provided by the utility model, it is short to solve existing drainage floral tube installation length, installation difficulty, easily the problem of deposit what buries occurs, realizes high-efficient filter draining.
Description
Technical field
It the utility model is related to deep sand gravel alluvial deposit foundation osmotic control field, especially a kind of deep sand gravel layer
Seepage flow filters drainage arrangement.
Background technology
With the development of water conservancy and hydropower cause, the exploitation of Hydraulic and Hydro-Power Engineering is progressively to western plateau and the exhibition of valley basin
Open, build dam condition and become increasingly complex, especially the key construction project under development of the West Regions opportunity, mountain Gao Gushen, coating
Deep, complex geologic conditions.With the continuous intensification of China's Hydraulic and Hydro-Power Engineering sand gravel foundation anti-seepage processing depth, how to do
Seepage flow filter draining is to ensure that the key technology of Hydraulic and Hydro-Power Engineering safe operation behind dam under the conditions of hundred meter level deep covering layers
One of problem.
At present, using behind dam scupper crown be drilled with upwards osculum and in it installation be enclosed with drainage geotextiles
Drainage floral tube be seepage flow filter drainage pattern behind more common dam, but in the installation of deep sand gravel layer seepage flow filter drainage arrangement
Cheng Zhong, because drainage geotextiles and the frictional force of osculum hole wall that shield is twined outside drainage floral tube pipe are larger, make the part on hole wall
Fine grained comes off, and is attached to the outside of drainage geotextiles, causes drainage floral tube to cannot be attached to position, and maximum installation length only has
20 meters, it can not much meet the construction requirement of hundred meter level deep covering layers；Meanwhile also easily there is silt particle etc. and sunk in seepage flow filter drainpipe
Product thing what buries and causes to filter the problem of draining efficiency reduces, therefore, it is necessary to further studies the deep sand gravel layer of economical and efficient
Seepage flow filters drainage arrangement and its water discharge method.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of deep sand gravel layer seepage flow filter drainage arrangement, can be with
It is short to solve existing drainage floral tube installation length, installation difficulty, easily the problem of deposit what buries occurs, realizes high-efficient filter draining.
In order to solve the above technical problems, technical scheme is used by the utility model：A kind of deep sand gravel layer seepage flow
Drainage arrangement is filtered, including the first drainage floral tube and the second drainage floral tube connect the monoblock type drainage outer tube to be formed, monoblock type drainage
Outer tube is arranged in osculum, and osculum is drilled into sand gravel layer seepage gradient line elevation location upwards at scupper crown, the
One drainage floral tube is located at the second drainage floral tube top and caliber is slightly less than the second drainage floral tube, the first drainage floral tube and the second drainage
Multiple water filtration eyeholes are offered on the tube wall of floral tube；
Monoblock type drainage outer tube bottom is connected by three-way connection with the drainpipe being embedded in below scupper crown, overall
Formula drainage outer tube is fixedly installed on scupper crown；
Flexible porous tube is arranged at monoblock type drainage outer tube and forms drainage inner tube, flexible porous tube top and the first filter
Spray tube top end is fixedly connected by plug, and flexible porous bottom of the tube is engaged with monoblock type drainage outer pipe bottom；
The space between flexible porous pipe outer wall and the first drainage floral tube inwall in first drainage floral tube every one section away from
From interior fixed filtering geotextile layer is wound with, the second drainage floral tube outer wall is wound with outer fixed filtering geotextile layer, the second drainage
The space between flexible porous tube bottom and the second drainage floral tube inwall in floral tube is wound with interior fixed filtering geotextile layer；
Flexible porous tube is fixed on the placed in the middle of osculum by each geotextiles filter layer and interior fixed filtering geotextile layer
Position.
First drainage floral tube and the second drainage floral tube connect the monoblock type drainage outer tube to be formed by reducer union.
Multiple water filtration eyeholes are annularly distributed on the tube wall of the first drainage floral tube, the second drainage floral tube, each ring treatment hole
Arranged between eye in blossom type.
First drainage floral tube is made up of at least one section drainage floral tube trifle, when drainage floral tube trifle is more piece, each section filter
Pass through fittings between spray pipe trifle.
Monoblock type drainage outer tube is fixedly installed on scupper crown by expansion bolt.
A kind of method that deep sand gravel layer seepage flow filter draining is carried out using above-mentioned seepage flow filter drainage arrangement, this method are included
Following steps：
Step 1：Osculum is drilled with upwards on scupper crown center line, is drilled into sand gravel layer seepage gradient line elevation position
Put whole hole；
Step 2：Multiple water filtration eyeholes are drilled with PVC feed pipes and make the second drainage floral tube, outside the second drainage floral tube pipe
Winding drainage geotextiles form outer fixed filtering geotextile layer；
Step 3：Interception and the flexible porous tube of osculum hole depth equal length；
Step 4：After flexible porous tube top section winding drainage geotextiles are formed into geotextiles filter layer, the first drainage flower is penetrated
In first drainage floral tube trifle of pipe, then the first drainage floral tube trifle top blocked with plug；
Step 5：Drainage geotextiles are wound on the flexible porous tube of the first drainage floral tube trifle bottom section correspondence position to be formed
Geotextiles filter layer, the first drainage floral tube trifle is sent into water hole；
Step 6：Joint is first penetrated outside flexible porous pipe end, then penetrates the second drainage floral tube trifle, using joint and
First drainage floral tube trifle and the second drainage floral tube trifle are attached by the mode of glue bonding；
Step 7：Drainage geotextiles are wound on the flexible porous tube of the second drainage floral tube trifle bottom section correspondence position to be formed
Geotextiles filter layer, the second drainage floral tube trifle and corresponding flexible porous tube are sent into osculum；
Step 8：6 and 7 are repeated the above steps, until completing connection and the final section of final section drainage floral tube trifle
The winding of the flexible porous tube drainage geotextiles of drainage floral tube trifle bottom section correspondence position；
Step 9：Reducer union is first penetrated outside flexible porous pipe end, the second drainage floral tube is then passed through, is connect using reducing
First drainage floral tube and the second drainage floral tube are attached to form monoblock type drainage outer tube by the mode of head and glue bonding；
Step 10：Winding drainage geotextiles are formed interior solid on the flexible porous tube of the second drainage floral tube bottom section correspondence position
Surely geotextile layer is filtered, the second drainage floral tube and corresponding flexible porous tube are sent into osculum；
Step 11：2 groups of expansion bolts are drilled with the vault on the outside of osculum aperture, and use anchor ear banding three-way connection
It is attached afterwards with expansion bolt, the monoblock type drainage outer tube for being internally provided with flexible porous tube is fixed on scupper crown
On, that is, complete the installation of deep sand gravel layer seepage flow filter drainage arrangement；
Step 12：After the infiltration water of deep sand gravel layer flows through the monoblock type drainage outer tube filtering in osculum, penetrate into
In flexible porous tube, then gutter is imported after three-way connection is imported into the drainpipe of scupper vault both sides, that is, realized deep
The seepage flow filter draining of sand gravel layer.
A kind of deep sand gravel layer seepage flow filter drainage arrangement provided by the utility model, has the beneficial effect that：
1st, deep sand gravel layer seepage flow filter drainage arrangement is divided into outer filter body and internal layer filtering body, entirety is respectively adopted
The drainage inner tube that formula drainage outer tube and flexible porous tube are formed carries out layering filter drainage sunk well to sand gravel layer seepage flow, outer layer it is whole
Body formula drainage outer tube is pressure-resistant, permeable, and having reached prevents that osculum from caving in and hole wall slump gravel enters having in drainage floral tube pipe
Beneficial effect；The flexible porous tube of internal layer integrates water suction, permeable, draining, has pressure-resistant, permeable and reverse filter effect, reaches
The beneficial effect for effectively filtering and preventing the deposits such as silt particle from entering in pipe.
2nd, be spaced a distance on to flexible porous tube set geotextiles filter layer by way of, serve make it is soft
Water pipe is located at the effect in the middle part of osculum, and the sky of multiple relative closures is formed between flexible porous tube and monoblock type drainage outer tube
Between, for the silt and other sediment filtered out in heap ponding, it is will not fall into osculum bottom hole and cause silt to bury；It is in addition, more
The setting of individual geotextiles filter layer enables flexible porous tube to depend in monoblock type drainage outer tube, with monoblock type drainage outer tube
Push upwards and move, be attached in osculum, it is ensured that the smooth installation of device and its comprehensive water penetration, reached installation
Beneficial effect that is simple to operate, quick, efficient, convenient and reducing workmen's labor intensity.
3rd, good penetrability, the resistance to tensile strength of resistance to compression is high, service life length, has good comprehensive pervious function, makes infiltration
Current smoothly can be penetrated into pipe, and the impurity such as silt particle is blocked in outside pipe, permeable, filtering, the significant effect of draining.
4th, internal layer filtering body uses flexible porous tube（Prior art）, body is supported with antirust turn, forms high resistance to compression
Soft structure, non-woven fabric inside lining filtering, prevent sediment contamination from entering in pipe, so as to reach the function of seeping water only.Outside dacron thread
There is excellent absorbency around happiness coating, excessive moisture in the soil body can be collected rapidly.Rubber reinforcement makes tube wall coating and steel rim of spring
Body turns into organic one, has good comprehensive pervious function, infiltration water is smoothly penetrated into pipe, and sediment contamination is blocked
Outside pipe, so as to reach permeable, filter, the purpose of draining.
5th, installation length up to 50 meters, solves deep the maximum in sand gravel laminar flow filters drainage construction well upwards
Sand and gravel stratum seepage flow filter drainage arrangement installation difficulty, easily occur what bury and cause to filter draining efficiency reduce, engineering cost it is high
Problem, the beneficial effect of economical and efficient filter draining is reached.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the structural representation of the utility model device.
Embodiment
Embodiment one
A kind of deep sand gravel layer seepage flow filter drainage arrangement, including the first drainage floral tube 1 connect shape with the second drainage floral tube 3
Into monoblock type drainage outer tube, monoblock type drainage outer tube is arranged in osculum 9, and osculum 9 is upward at scupper crown 14
Sand gravel layer seepage gradient line elevation location is drilled into, the first drainage floral tube 1 is located at the top of the second drainage floral tube 3 and caliber is slightly less than
Multiple water filtration eyeholes 11 are offered on the tube wall of second drainage floral tube 3, the first drainage floral tube 1 and the second drainage floral tube 3；
Monoblock type drainage outer tube bottom is connected by three-way connection 8 with being embedded in the drainpipe 10 of the lower section of scupper crown 14
Logical, monoblock type drainage outer tube is fixedly installed on scupper crown 14；
Flexible porous tube 2 is arranged at monoblock type drainage outer tube and forms drainage inner tube, the top of flexible porous tube 2 and first
The top of drainage floral tube 1 is fixedly connected by plug 4, and the bottom of flexible porous tube 2 is engaged with monoblock type drainage outer pipe bottom；
The space between the outer wall of flexible porous tube 2 and the inwall of the first drainage floral tube 1 in first drainage floral tube 1 is every one section
Distance is wound with interior fixed filtering geotextile layer 5, and the outer wall of the second drainage floral tube 3 is wound with outer fixed filtering geotextile layer 15, the
The space between the bottom of flexible porous tube 2 and the inwall of the second drainage floral tube 3 in two drainage floral tubes 3 is wound with interior fixed filtering soil
Work layer of cloth 16；
Flexible porous tube 2 is fixed on osculum 9 by each geotextiles filter layer 5 and interior fixed filtering geotextile layer 16
Middle position.
First drainage floral tube 1 connects the monoblock type drainage outer tube formed with the second drainage floral tube 3 by reducer union 7.
Multiple water filtration eyeholes 11 are annularly distributed on the tube wall of the first drainage floral tube 1, the second drainage floral tube 3, each ring filter
Arranged between water hole eye 11 in blossom type.
First drainage floral tube 1 is made up of at least one section drainage floral tube trifle, when drainage floral tube trifle is more piece, each section filter
Connected between spray pipe trifle by joint 6.
Monoblock type drainage outer tube is fixedly installed on scupper crown 14 by expansion bolt 12.
The drainage floral tube trifle of first drainage floral tube 1 uses PVC feed pipes, and caliber is 63 millimeters, along pipe axially every 5 lis
Rice is drilled with a ring water filtration eyehole 11, is made up of per ring water filtration eyehole 11 3-5 eyelet.
Second drainage floral tube 3 is made up of the PVC feed pipes of 75 millimeters of caliber, is axially drilled with ring filter every 5 centimetres along pipe
Water hole eye 11, it is made up of per ring water filtration eyehole 11 3-5 eyelet.
Flexible porous tube 2 is prior art, supports body with antirust turn, forms the soft structure of high resistance to compression, non-woven fabrics
Liner filters, and prevents sediment contamination from entering in pipe, so as to reach the function of seeping water only.Have outside dacron thread around happiness coating excellent
Water imbibition, excessive moisture in the soil body can be collected rapidly.Rubber reinforcement makes tube wall coating and steel rim of spring body turn into organic one,
With good comprehensive pervious function, infiltration water is smoothly penetrated into pipe, and sediment contamination is blocked in outside pipe, so as to reach
Water, filtering, the purpose of draining, caliber are 50 millimeters.
Drainage floral tube bar length is 6 meters, and the length of the second drainage floral tube 3 is 6 meters.
Embodiment two
A kind of method that deep sand gravel layer seepage flow filter draining is carried out using above-mentioned seepage flow filter drainage arrangement, this method are included
Following steps：
Step 1：The osculum for using down-the-hole drill to be drilled with a diameter of 100 millimeters upwards on the center line of scupper crown 14
9, it is drilled into sand gravel layer seepage gradient line elevation location end hole；
Step 2：Multiple water filtration eyeholes 11 are drilled with PVC feed pipes and make the second drainage floral tube 3, in the second drainage floral tube 3
The outer winding drainage geotextiles of pipe form outer fixed filtering geotextile layer 15；
Step 3：Interception and the flexible porous tube 2 of the hole depth equal length of osculum 9；
Step 4：After flexible porous tube 2 is pushed up into section winding drainage geotextiles formation geotextiles filter layer 5, the first drainage is penetrated
In first drainage floral tube trifle 1-1 of floral tube 1, then the first drainage floral tube trifle 1-1 tops are blocked with plug 4；
Step 5：Drainage geotextiles are wound on the flexible porous tube 2 of the first drainage floral tube trifle 1-1 bottoms section correspondence position
Geotextiles filter layer 5 is formed, the first drainage floral tube trifle 1-1 and corresponding flexible porous tube 2 are sent into osculum 9；
Step 6：Joint 6 is first penetrated outside the end of flexible porous tube 2, then penetrates the second drainage floral tube trifle 1-2, using connecing
First 6 and the mode of glue bonding the first drainage floral tube trifle 1-1 and the second drainage floral tube trifle 1-2 are attached；
Step 7：Drainage geotextiles are wound on the flexible porous tube 2 of the second drainage floral tube trifle 1-2 bottoms section correspondence position
Geotextiles filter layer 5 is formed, the second drainage floral tube trifle 1-2 and corresponding flexible porous tube 2 are sent into osculum 9；
Step 8：6 and 7 are repeated the above steps, until completing connection and the final section of final section drainage floral tube trifle
The winding of the drainage geotextiles of flexible porous tube 2 of drainage floral tube trifle bottom section correspondence position；
Step 9：Reducer union 7 is first penetrated outside the end of flexible porous tube 2, the second drainage floral tube 3 is then passed through, using reducing
First drainage floral tube 1 and the second drainage floral tube 3 are attached and formed outside monoblock type drainage by the mode of joint 7 and glue bonding
Pipe；
Step 10：In winding drainage geotextiles are formed on the flexible porous tube 2 of the bottom section correspondence position of the second drainage floral tube 3
Fixed filtering geotextile layer 16, the second drainage floral tube 3 and corresponding flexible porous tube 2 are sent into osculum 9；
Step 11：2 groups of expansion bolts 12 are drilled with the vault 14 on the outside of the aperture of osculum 9, and use the banding of anchor ear 13
It is attached after three-way connection 8 with expansion bolt 12, the monoblock type drainage outer tube for being internally provided with flexible porous tube 2 is fixed on
On scupper crown 14, that is, complete the installation of deep sand gravel layer seepage flow filter drainage arrangement；
Step 12：After the infiltration water of deep sand gravel layer flows through the monoblock type drainage outer tube filtering in osculum 9, penetrate into
In flexible porous tube 2, then gutter is imported after three-way connection 8 is imported into the drainpipe 10 of the both sides of scupper vault 14, i.e., it is real
The seepage flow filter draining of existing deep sand gravel layer.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
System.The feature in embodiment and embodiment in the application can be mutually combined in the case where not conflicting.This practicality is new
Technical characteristic in the technical scheme that the protection domain of type, the technical scheme that should be recorded with claim, including claim are recorded
Equivalents etc., be protection domain.Equivalent substitution i.e. within this range is improved, also in protection model of the present utility model
Within enclosing.
Claims (3)
- A kind of 1. deep sand gravel layer seepage flow filter drainage arrangement, it is characterised in that：Including the first drainage floral tube（1）With the second drainage Floral tube（3）The monoblock type drainage outer tube formed is connected, monoblock type drainage outer tube is arranged at osculum（9）It is interior, osculum（9）From row Water hole crown（14）Place is drilled into sand gravel layer seepage gradient line elevation location upwards；Monoblock type drainage outer tube bottom passes through three-way connection（8）With being embedded in scupper crown（14）The drainpipe of lower section（10）Even Logical, monoblock type drainage outer tube is fixedly installed in scupper crown（14）On；Flexible porous tube（2）It is arranged at monoblock type drainage outer tube and forms drainage inner tube, flexible porous tube（2）Top and first Drainage floral tube（1）Top passes through plug（4）It is fixedly connected, flexible porous tube（2）Bottom matches with monoblock type drainage outer pipe bottom Close；First drainage floral tube（1）Interior flexible porous tube（2）Outer wall and the first drainage floral tube（1）Space between inwall is every one Segment distance is wound with interior fixed filtering geotextile layer（5）, the second drainage floral tube（3）Outer wall is wound with outer fixed filtering geotextile layer （15）, the second drainage floral tube（3）Interior flexible porous tube（2）Bottom and the second drainage floral tube（3）Space winding between inwall There is interior fixed filtering geotextile layer（16）.
- A kind of 2. deep sand gravel layer seepage flow filter drainage arrangement according to claim 1, it is characterised in that：First drainage is spent Pipe（1）It is made up of at least one section drainage floral tube trifle, when drainage floral tube trifle is more piece, leads between each section drainage floral tube trifle Cross joint（6）Connection.
- A kind of 3. deep sand gravel layer seepage flow filter drainage arrangement according to claim 1, it is characterised in that：Monoblock type drainage Outer tube passes through expansion bolt（12）It is fixedly installed in scupper crown（14）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914405.5U CN206986876U (en) | 2017-07-26 | 2017-07-26 | A kind of deep sand gravel layer seepage flow filter drainage arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720914405.5U CN206986876U (en) | 2017-07-26 | 2017-07-26 | A kind of deep sand gravel layer seepage flow filter drainage arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206986876U true CN206986876U (en) | 2018-02-09 |
Family
ID=61417053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720914405.5U Active CN206986876U (en) | 2017-07-26 | 2017-07-26 | A kind of deep sand gravel layer seepage flow filter drainage arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206986876U (en) |
-
2017
- 2017-07-26 CN CN201720914405.5U patent/CN206986876U/en active Active
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