CN109537707A - A kind of drainage pipeline connect water sealing structure with inspection shaft - Google Patents
A kind of drainage pipeline connect water sealing structure with inspection shaft Download PDFInfo
- Publication number
- CN109537707A CN109537707A CN201811485739.0A CN201811485739A CN109537707A CN 109537707 A CN109537707 A CN 109537707A CN 201811485739 A CN201811485739 A CN 201811485739A CN 109537707 A CN109537707 A CN 109537707A
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- China
- Prior art keywords
- drainage pipeline
- inspection shaft
- concrete
- anchor bar
- inner end
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/021—Connection of sewer pipes to manhole shaft
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of drainage pipelines to connect water sealing structure with inspection shaft.The drainage pipeline is arranged in the reserved opening of inspection shaft, closely knit filling expansive concrete between drainage pipeline periphery wall and inspection shaft reserved opening internal perisporium；The drainage pipeline inner end is stretched out out of reserved opening forms inner end section of stretching out, and the water-swellable sealing collar is sleeved in the inner end section of stretching out；Several anchor bars are provided on the borehole wall inner surface on reserved opening periphery, the inner end section of stretching out periphery of drainage pipeline is arranged in the steel hoop net, steel hoop net is connected and fixed with anchor bar, casting concrete forms external wrapping concrete on the steel hoop net and anchor bar, and the external wrapping concrete is combined closely with inspection shaft and drainage pipeline simultaneously.Structure of the invention design rationally, can effectively solve the problems such as drainage pipeline is also easy to produce drawing crack, disconnection, leakage with inspection shaft junction, connect drainage pipeline with inspection shaft reliable and stable, guarantee the normal operation of drainage pipeline networks.
Description
Technical field
The present invention relates to the connection measure of drainage pipeline and inspection shaft, specifically a kind of concrete drain pipeline and inspection
Well connection water sealing structure is looked into, municipal drainage pipeline technical field of construction is belonged to.
Background technique
In municipal works, drainage pipeline and people's lives and work are closely bound up, bear municipal sewage, rainwater row
Put equal critical functions.Inspection shaft is the important component of drainage pipeline networks, it plays connection main pipe and branch pipe, pipeline are clear and coherent feeding
Protect the effect of construction.The connection of pipeline and inspection shaft, the especially connection with steel concrete well, can be pre- with inspection shaft according to pipeline
The gap choke material of box out is divided into rigid connection and flexible connection, when gap uses spunyarn, cement mortar or spunyarn-asbestos water
When mud is clogged and is consolidated, it is believed that the two is rigid connection；When hole to be provided use pre-buried steel lantern ring, and lantern ring inner wall and pipe
When using seal with elastometic washer between material, it is believed that the two is flexible connection.But when pipeline and inspection shaft are in quicksand soil layer or weakness
When soil layer, pipe network come into operation after because making pipeline and inspection shaft by reasons such as natural environment, hydraulics and upper layer pressure changes
Connecting portion there is phenomena such as deformation generates drawing crack, disconnects, make inside and outside well underground water entrainment of the soil body and mud of pipeline surrounding
Blowout enters in well, flows away with sewage, if things go on like this causes vicious circle, and the sinking for eventually leading to above ground structure and road surface is broken
It is bad.
Summary of the invention
It is an object of the invention to overcome above-mentioned drainage pipeline to connect with inspection shaft the shortcoming of measure, a kind of row is provided
The connection of waterpipe and inspection shaft and water sealing structure, it is reasonable in design, it can effectively solve drainage pipeline and connect with inspection shaft
Place is also easy to produce the problems such as drawing crack, disconnection, leakage, connect drainage pipeline with inspection shaft reliable and stable, guarantees drainage pipeline networks just
Often operation.
According to technical solution provided by the invention: drainage pipeline connect water sealing structure with inspection shaft, it is characterised in that: including
Expansive concrete, anchor bar, steel hoop net, water-swellable sealing collar and external wrapping concrete, the drainage pipeline setting exist
In the reserved opening of inspection shaft, closely knit filling expands coagulation between drainage pipeline periphery wall and inspection shaft reserved opening internal perisporium
Soil；The drainage pipeline inner end is stretched out out of reserved opening forms inner end section of stretching out, and the water-swellable sealing collar is sleeved on this
In the section of stretching out of inner end；Several anchor bars, the steel hoop net are provided on the borehole wall inner surface on reserved opening periphery
The inner end section of stretching out periphery of drainage pipeline is set, and steel hoop net is connected and fixed with anchor bar, in the steel hoop net
External wrapping concrete is formed with casting concrete on anchor bar, the external wrapping concrete is close with inspection shaft and drainage pipeline simultaneously
In conjunction with the expansive concrete uses expansive concrete, and the anchor bar is equidistantly equal along reserved opening circumferential annular
Even arrangement, anchor bar set two layers inside and outside, the anchor bar mutual dislocation setting of the anchor bar and outer layer of internal layer altogether.
As a further improvement of the present invention, the internal layer anchor bar, the adjacent anchor bar in outer layer anchor bar
Between circumferential spacing be 350mm, radial spacing between internal layer anchor bar and outer layer anchor bar is 200mm.
As a further improvement of the present invention, it is drilled with fixation hole on the borehole wall inner surface on the reserved opening periphery, it is described
Anchor bar is plugged in fixation hole and is fixed by anchoring adhesive gluing.
As a further improvement of the present invention, the anchor bar uses diameter for Φ 12mm, strength grade HRB400
Spiral, the length of anchor bar is 440mm, and the aperture of the fixation hole is 18mm, and the hole depth of fixation hole is 180mm.
As a further improvement of the present invention, the steel hoop net uses diameter for Φ 8mm, strength grade HPB300
Plain bar be made, the binding of steel hoop net and anchor bar is connected and fixed；Steel hoop net sets two pieces, two pieces ring steel altogether
Axial spacing between muscle net is 200mm.
As a further improvement of the present invention, the water-swellable sealing collar is ring seal circle, water-swellable sealing collar
It is installed in the annular groove that drainage pipeline inner end section of stretching out periphery wall is equipped with；Water suction after water-swellable sealing collar chance water is swollen
Swollen rate >=250%, elongation >=350%.
As a further improvement of the present invention, the external wrapping concrete is poured using slightly expanded concrete, microdilatancy
The strength grade of concrete is C35, and cement used in slightly expanded concrete uses 42.5 grades of ordinary portland cements, and microdilatancy is mixed
Expansive agent dosage in solidifying soil is the 10%~14% of cement consumption, and limited expansion rate >=0.015% of slightly expanded concrete is supported
The shield time is no less than 14 days.
Compared with the prior art the present invention, has the advantage that
(1), rationally, drainage pipeline inner end is stretched out out of reserved opening forms inner end section of stretching out for structure of the invention design,
External wrapping concrete is arranged in the inner end section of stretching out to be assured, external wrapping concrete is connect with the borehole wall using bar planting method, is entirely connected
It is simple that binding structure has many advantages, such as that rigidity big, resistance to deformation and tension take off strong ability, long service life, constructing operation, can effectively solve
Certainly drainage pipeline and inspection shaft junction are also easy to produce the problems such as drawing crack, disconnection, leakage, especially suitable for concrete drain pipeline with
The connection sealing and antiseep of concrete walling connect drainage pipeline with inspection shaft reliable and stable, guarantee drainage pipeline networks just
Often operation.
(2), water-swellable sealing collar is arranged in the present invention between external wrapping concrete and the inner end section of stretching out of drainage pipeline, and
The closely knit filling expansive concrete between drainage pipeline periphery wall and inspection shaft reserved opening internal perisporium, enhance drainage pipeline with
The ability of the anti-leakage of inspection shaft junction.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Drainage pipeline in embodiment connect water sealing structure with inspection shaft mainly by expansive concrete, anchor bar, annular
Steel mesh, water-swellable sealing collar and external wrapping concrete composition.
The drainage pipeline is arranged in the reserved opening of inspection shaft, in drainage pipeline periphery wall and inspection shaft reserved opening
Closely knit filling expansive concrete between peripheral wall；The drainage pipeline inner end is stretched out out of reserved opening forms inner end section of stretching out, institute
Water-swellable sealing collar is stated to be sleeved in the inner end section of stretching out；Several are provided on the borehole wall inner surface on reserved opening periphery
The inner end section of stretching out periphery of drainage pipeline is arranged in anchor bar, the steel hoop net, and steel hoop net and anchor bar connect
Fixation is connect, along reserved opening periphery installation template, casting concrete forms outsourcing on the steel hoop net and anchor bar
Concrete, the external wrapping concrete are combined closely with inspection shaft and drainage pipeline simultaneously.
In the embodiment of the present invention, the expansive concrete preferably uses expansive concrete, is conducive to enhancing row in this way
The anti-leakage ability of waterpipe and inspection shaft junction.
In the embodiment of the present invention, the anchor bar is equidistantly evenly arranged along reserved opening circumferential annular, anchor bar
Two layers inside and outside, the anchor bar mutual dislocation setting of the anchor bar and outer layer of internal layer is set altogether；The internal layer anchor bar, outer layer
The circumferential spacing between adjacent anchor bar in anchor bar is 350mm, between internal layer anchor bar and outer layer anchor bar
Radial spacing be 200mm.
In the embodiment of the present invention, the anchor bar uses the screw-thread steel that diameter is HRB400 for Φ 12mm, strength grade
Muscle.Anchor bar is fixed by embedding re-bar technique, and bar planting operation is specific as follows: being drilled on the borehole wall inner surface on reserved opening periphery
Fixation hole carries out aperture blowing or hole flushing after the completion of drilling, and chemical strength anchoring adhesive is then injected in fixation hole, and anchor bar plugs
It is fixed in fixation hole and through anchoring adhesive gluing.Anchor bar length in embodiment is 440mm, and the aperture of fixation hole is
18mm, the hole depth of fixation hole are 180mm.
In the embodiment of the present invention, the steel hoop net uses the light round steel that diameter is HPB300 for Φ 8mm, strength grade
Muscle is made, and steel hoop net is connected and fixed with anchor bar binding；Steel hoop net sets two pieces altogether, between two pieces steel hoop net
Axial spacing be 200mm.
In the embodiment of the present invention, the water-swellable sealing collar is ring seal circle, and water-swellable sealing collar is installed on row
In the annular groove that waterpipe inner end section of stretching out periphery wall is equipped with；Water-swellable sealing collar should be installed to before concreting
Position；Water-swellable sealing collar meets expansion rate of water absorption >=250% after water, elongation >=350%.
In the embodiment of the present invention, the external wrapping concrete with a thickness of 300mm, assuring length is 300mm.The outsourcing is mixed
Solidifying soil is preferably poured using slightly expanded concrete, and the strength grade of slightly expanded concrete is C35, used in slightly expanded concrete
Cement use 42.5 grades of ordinary portland cements, the expansive agent dosage in slightly expanded concrete be cement consumption 10%~
14%, limited expansion rate >=0.015% of slightly expanded concrete, curing time is no less than 14 days.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Claims (7)
1. a kind of drainage pipeline connect water sealing structure with inspection shaft, it is characterised in that: including expansive concrete, anchor bar, ring
Shape steel mesh, water-swellable sealing collar and external wrapping concrete, the drainage pipeline are arranged in the reserved opening of inspection shaft, draining
Closely knit filling expansive concrete between pipeline periphery wall and inspection shaft reserved opening internal perisporium；The drainage pipeline inner end is from reserved
It is stretched out in hole and forms inner end section of stretching out, the water-swellable sealing collar is sleeved in the inner end section of stretching out；In reserved opening week
Several anchor bars are provided on the borehole wall inner surface on side, the inner end section of stretching out of drainage pipeline is arranged in the steel hoop net
Periphery, steel hoop net are connected and fixed with anchor bar, and casting concrete is formed on the steel hoop net and anchor bar
External wrapping concrete, the external wrapping concrete are combined closely with inspection shaft and drainage pipeline simultaneously, and the expansive concrete is using benefit
Shrinkage concrete is repaid, the anchor bar is equidistantly evenly arranged along reserved opening circumferential annular, and anchor bar sets inside and outside two altogether
Layer, the anchor bar of internal layer and the anchor bar mutual dislocation of outer layer are arranged.
2. drainage pipeline as described in claim 1 connect water sealing structure with inspection shaft, it is characterised in that: the internal layer anchors steel
The circumferential spacing between adjacent anchor bar in muscle, outer layer anchor bar is 350mm, and internal layer anchor bar and outer layer anchor steel
Radial spacing between muscle is 200mm.
3. drainage pipeline as described in claim 1 connect water sealing structure with inspection shaft, it is characterised in that: the reserved opening week
Fixation hole is drilled on the borehole wall inner surface on side, the anchor bar is plugged in fixation hole and fixes by anchoring adhesive gluing.
4. drainage pipeline as claimed in claim 3 connect water sealing structure with inspection shaft, it is characterised in that: the anchor bar is adopted
With the spiral that diameter is Φ 12mm, strength grade is HRB400, the length of anchor bar is 440mm, the fixation hole
Aperture is 18mm, and the hole depth of fixation hole is 180mm.
5. drainage pipeline as described in claim 1 connect water sealing structure with inspection shaft, it is characterised in that: the steel hoop net
Diameter is used to be made of Φ 8mm, strength grade of the plain bar of HPB300, steel hoop net and anchor bar binding connection are solid
It is fixed；Steel hoop net sets two pieces altogether, and the axial spacing between two pieces steel hoop net is 200mm.
6. drainage pipeline as described in claim 1 connect water sealing structure with inspection shaft, it is characterised in that: the water-swellable stops
Hydrosphere is ring seal circle, and water-swellable sealing collar is installed on the annular groove that drainage pipeline inner end section of stretching out periphery wall is equipped with
It is interior；Water-swellable sealing collar meets expansion rate of water absorption >=250% after water, elongation >=350%.
7. drainage pipeline as described in claim 1 connect water sealing structure with inspection shaft, it is characterised in that: the external wrapping concrete
It is poured using slightly expanded concrete, the strength grade of slightly expanded concrete is C35, and cement used in slightly expanded concrete is adopted
With 42.5 grades of ordinary portland cements, the expansive agent dosage in slightly expanded concrete is the 10%~14% of cement consumption, micro- swollen
Limited expansion rate >=0.015% of swollen concrete, curing time are no less than 14 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811485739.0A CN109537707A (en) | 2018-12-06 | 2018-12-06 | A kind of drainage pipeline connect water sealing structure with inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811485739.0A CN109537707A (en) | 2018-12-06 | 2018-12-06 | A kind of drainage pipeline connect water sealing structure with inspection shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109537707A true CN109537707A (en) | 2019-03-29 |
Family
ID=65853967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811485739.0A Withdrawn CN109537707A (en) | 2018-12-06 | 2018-12-06 | A kind of drainage pipeline connect water sealing structure with inspection shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109537707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644593A (en) * | 2019-08-28 | 2020-01-03 | 中国一冶集团有限公司 | Embedded anti-settling prefabricated overhaul well and construction method thereof |
| CN114857367A (en) * | 2022-04-02 | 2022-08-05 | 中国一冶集团有限公司 | Post-grouting expansive underground pipeline joint plugging structure |
-
2018
- 2018-12-06 CN CN201811485739.0A patent/CN109537707A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644593A (en) * | 2019-08-28 | 2020-01-03 | 中国一冶集团有限公司 | Embedded anti-settling prefabricated overhaul well and construction method thereof |
| CN114857367A (en) * | 2022-04-02 | 2022-08-05 | 中国一冶集团有限公司 | Post-grouting expansive underground pipeline joint plugging structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190329 |
|
| WW01 | Invention patent application withdrawn after publication |