CN207715929U - A kind of novel corrosion resistant impermeable cement concrete duct - Google Patents
A kind of novel corrosion resistant impermeable cement concrete duct Download PDFInfo
- Publication number
- CN207715929U CN207715929U CN201721460342.7U CN201721460342U CN207715929U CN 207715929 U CN207715929 U CN 207715929U CN 201721460342 U CN201721460342 U CN 201721460342U CN 207715929 U CN207715929 U CN 207715929U
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- Prior art keywords
- layer
- cement concrete
- corrosion resistant
- novel corrosion
- concrete duct
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Abstract
A kind of novel corrosion resistant impermeable cement concrete duct; including cement concrete constructions layer, frp lining layer, elastic interface layer, boundary layer, glass reinforced plastic winding layer and external protection; outer surface in the middle part of the frp lining layer is equipped with elastic interface layer, cement concrete constructions layer, boundary layer, glass reinforced plastic winding layer and external protection successively from the inside to the outside; the both ends of the frp lining layer are fiberglass socket; the outer surface of those fiberglass sockets is provided with twice annular seal grooves, and sealing ring is equipped in those annular seal grooves.The utility model solves leakage problems caused by existing cement concrete pipeline internal structure reinforcement corrosion and cement concrete cellular structure by above-mentioned structure design, has the characteristics that corrosion-resistant, barrier performance is good, long lifespan.
Description
Technical field
The utility model is related to composite material conduit technical field, especially a kind of novel corrosion resistant impermeable cement concrete
Pipeline.
Background technology
Cement concrete pipeline construction technology is simple at present, and manufacturing cost is low, is widely used in draining field.
Cement concrete pipeline is primarily present problems in use：1, cement concrete pipeline is porosity knot
Structure causes its anti-permeability performance poor；2, cement concrete pipeline is intolerant to corrosion, especially internal reinforcing bar, once there is corruption in reinforcing bar
Phenomenon is lost, pipeline performance will be influenced, bring security risk.
With the needs of social development, existing cement concrete pipeline can not meet engineering property and the need in service life
It wants, modern project cannot be met to cement concrete pipeline performance increasingly higher demands.
Therefore, the prior art is to be improved and improves.
Invention content
For the shortcomings of the prior art, the purpose of this utility model is to provide a kind of corrosion-resistant, impervious
The good novel cement concrete pipeline of energy.
To achieve the above object, technical solution used by the utility model is：
A kind of novel corrosion resistant impermeable cement concrete duct, including cement concrete constructions layer, frp lining layer, bullet
Property boundary layer, boundary layer, glass reinforced plastic winding layer and external protection, the outer surface in the middle part of the frp lining layer is from the inside to the outside
It is equipped with elastic interface layer, cement concrete constructions layer, boundary layer, glass reinforced plastic winding layer and external protection, the fiberglass successively
The both ends of liner layer are fiberglass socket, and the outer surface of those fiberglass sockets is provided with twice annular seal grooves, those
Sealing ring is installed in annular seal grooves.
Further, the roughness coefficien of the frp lining layer is 0.0084.
Further, the thickness of the elastic interface layer is 4-7mm, and it is 2-4mm to reserve swell increment.
It further walks, the cement concrete constructions layer thickness is 60-120mm.
Further, the axial tensile strength of the glass reinforced plastic winding layer is more than or equal to 160Mpa, hoop tensile strength
More than or equal to 240Mpa.
Further, the glass reinforced plastic winding layer thickness is 5mm.
Further, the external protection is resin-rich layer, thickness 2-5mm.
Further, the sealing ring is made of ethylene propylene diene rubber.
Further, the elastic interface layer is layer of polyurethane.
The utility model has the advantages that：
1, frp lining layer, band bell and spigot, inner surface is smooth, and water flow efficiency is high, and barrier performance is good, effective protection cement
Concrete；
2, frp lining layer and cement concrete constructions layer are bonded using elastic interface layer, reserve frp lining layer
Swell increment, pressure process, cement concrete constructions layer do not crack；
3, frp layer and cement concrete constructions layer are bonded using boundary layer, and bonding force is strong, does not crack, regardless of
Layer；
4, glass reinforced plastic winding layer, antiseptic property is good, does not crack, it is ensured that internal cement concrete structure sheaf structure safety, together
When limitation cement concrete constructions layer be displaced outwardly, protect cement concrete constructions layer not crack, cement concrete pipeline be provided
Service life.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model.
Each label is respectively in figure：（1）Cement concrete constructions layer,（2）Frp lining layer,（3）Elastic interface layer,
（4）Boundary layer,（5）Glass reinforced plastic winding layer,（6）External protection,（7）（8）Glass reinforced plastic socket,（9）（10）Annular seal grooves,
（11）（12）Sealing ring.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
Refer to Fig. 1, a kind of novel corrosion resistant impermeable cement concrete duct of the utility model, including cement concrete knot
Structure layer 1, frp lining layer 2, elastic interface layer 3, boundary layer 4, glass reinforced plastic winding layer 5 and external protection 6, the fiberglass
The outer surface at 2 middle part of liner layer is equipped with elastic interface layer 3, cement concrete constructions layer 1, boundary layer 4, glass successively from the inside to the outside
The both ends of steel winding layer 5 and external protection 6, the frp lining layer are fiberglass socket 7 and 8, fiberglass socket 7
Outer surface is provided with twice annular seal grooves 9 and 10, and 11 He of sealing ring is separately installed in those annular seal grooves 9 and 10
12。
The frp lining layer is made of mold winding, and demoulding is easy, and inner surface of pipeline is smooth, and roughness coefficien is
0.0084, water flowing water resistance is small, and water flow efficiency is high, and barrier performance is excellent, and anti-internal pressure capability is high, and the fiberglass carried is held
Mouthful so that waste water is less than cement concrete constructions layer, to play the role of protecting cement concrete constructions.
The elastic interface layer is layer of polyurethane, and the thickness of the elastic interface layer is 4-7mm, and it is 2- to reserve swell increment
4mm is mainly used for bonding two kinds of different materials of fiberglass and concrete, and elastic interface layer is compared with fiberglass and concrete,
It is flexible more preferable, it is split up the while of having reserved swell increment in concrete in for process and keeps not bad.
The cement concrete constructions layer is one-piece casting, high frequency tamping forms, and mainly plays critical external compressive resistance load, thickness
For 60-120mm.
The frp lining layer thickness is 5mm, and axial tensile strength is more than or equal to 160Mpa, and hoop tensile strength is big
In equal to 240Mpa, cement concrete constructions layer is protected not intake, not corroded and not freeze thawing, while there is high-strength circumferential force,
Prevent structural concrete structure sheaf strain cracking.
The external protection is resin-rich layer, and thickness 2-5mm is mixed using 2mm chopped strand silks with resin, is added purple
Ultraviolet absorbers prevent aging, protective glass steel winding layer not to be damaged.
The sealing ring is used cooperatively with glass steel bell made of ethylene propylene diene rubber, and it is rotten to solve junction
Lose leakage problems.
To sum up, the utility model solves existing cement concrete pipeline internal structure reinforcing bar by above-mentioned structure design
Leakage problems caused by corrosion and cement concrete cellular structure have the spies such as corrosion-resistant, barrier performance is good, long lifespan
Point.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of novel corrosion resistant impermeable cement concrete duct, which is characterized in that including cement concrete constructions layer, fiberglass
Liner layer, elastic interface layer, boundary layer, glass reinforced plastic winding layer and external protection, the appearance in the middle part of the frp lining layer
Face is equipped with elastic interface layer, cement concrete constructions layer, boundary layer, glass reinforced plastic winding layer and external protection successively from the inside to the outside,
The both ends of the frp lining layer are fiberglass socket, and the outer surface of those fiberglass sockets is provided with twice ring packing
Groove is equipped with sealing ring in those annular seal grooves.
2. novel corrosion resistant impermeable cement concrete duct as described in claim 1, which is characterized in that the frp lining
The roughness coefficien of layer is 0.0084.
3. novel corrosion resistant impermeable cement concrete duct as described in claim 1, which is characterized in that the elastic interface layer
Thickness be 4-7mm, reserve swell increment be 2-4mm.
4. novel corrosion resistant impermeable cement concrete duct as described in claim 1, which is characterized in that the cement concrete
Laminate construction thickness is 60-120mm.
5. novel corrosion resistant impermeable cement concrete duct as described in claim 1, which is characterized in that the glass reinforced plastic winding
The axial tensile strength of layer is more than or equal to 160Mpa, and hoop tensile strength is more than or equal to 240Mpa.
6. the novel corrosion resistant impermeable cement concrete duct as described in claim 1 or 5, which is characterized in that the fiberglass
Winding layer thickness is 5mm.
7. novel corrosion resistant impermeable cement concrete duct as described in claim 1, which is characterized in that the external protection is
Resin-rich layer, thickness 2-5mm.
8. novel corrosion resistant impermeable cement concrete duct as described in claim 1, which is characterized in that the sealing ring be by
Made of ethylene propylene diene rubber.
9. the novel corrosion resistant impermeable cement concrete duct as described in claim 1 or 3, which is characterized in that the elasticity circle
Face layer is layer of polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460342.7U CN207715929U (en) | 2017-11-06 | 2017-11-06 | A kind of novel corrosion resistant impermeable cement concrete duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460342.7U CN207715929U (en) | 2017-11-06 | 2017-11-06 | A kind of novel corrosion resistant impermeable cement concrete duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715929U true CN207715929U (en) | 2018-08-10 |
Family
ID=63061135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460342.7U Expired - Fee Related CN207715929U (en) | 2017-11-06 | 2017-11-06 | A kind of novel corrosion resistant impermeable cement concrete duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715929U (en) |
-
2017
- 2017-11-06 CN CN201721460342.7U patent/CN207715929U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |