CN204403607U - A kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer - Google Patents
A kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer Download PDFInfo
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- CN204403607U CN204403607U CN201520022645.5U CN201520022645U CN204403607U CN 204403607 U CN204403607 U CN 204403607U CN 201520022645 U CN201520022645 U CN 201520022645U CN 204403607 U CN204403607 U CN 204403607U
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- gravel concreten
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Abstract
The utility model provides a kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer; belong to pipeline field; comprise steel cylinder, steel cylinder inner side and outer side is respectively arranged with inner concrete layer and outer concrete layer, and outer concrete layer external spiral is arranged with reinforcement wire.Reinforcement wire arranged outside has external protection, and external protection is that polypropylene fiber strengthens pea gravel concreten layer, polyvinyl alcohol fiber strengthens pea gravel concreten layer, pea gravel concreten layer strengthened by Steel Fibre or pea gravel concreten layer strengthened by steel wire.The prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that the utility model provides greatly strengthen the density of external protection, intensity and water absorption rate; Substantially increase the axially loaded of protective layer appearance quality and protective layer, thus raising tubing axially pushes up power, extends tubing jacking distance, improves anti-corrosion capacity.
Description
Technical field
The utility model relates to pipeline field, in particular to a kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer.
Background technique
Prestressed concrete cylinder pipe (Prestressed Concrete Cylinder Pipe, PCCP) is one of domestic and international aqueduct main in the condition of senior engineer's pressure, dark earthing.The method of construction of current PCCP takes to excavate the mode of tubing after groove, but when passing through road, river, railway, urban architecture thing, because its face width requires larger, and certain destruction can be caused around to construction, very large obstruction can be subject in some town water supply engineerings.Adopt prestress steel cylinder concrete push pipe to carry out jacking construction, the line construction method wasted time and energy that the steel pipe that adopts when usually passing by one's way or steel pipe add concrete sleeve can be replaced.
But the concrete that the protective layer of existing prestress steel cylinder concrete push pipe adopts reinforcing bar or steel wire to strengthen; anti-corrosion capacity is poor; in use easily there is the corrosion of reinforcing bar in concrete or steel wire; thus decrease the working life of pipeline; and the axially loaded that the protective layer of this prestress steel cylinder concrete push pipe can bear is little, a tubing jacking is apart from little.
Model utility content
The utility model provides a kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer; the protective layer anti-corrosion capacity being intended to improve existing prestress steel cylinder concrete push pipe is poor; working life is shorter; the axially loaded that can bear is little, and a tubing jacking is apart from little problem.
The utility model is achieved in that
With a prestress steel cylinder concrete push pipe for pea gravel concreten protective layer, comprise steel cylinder;
Described steel cylinder inner side and outer side is respectively arranged with inner concrete layer and outer concrete layer, and described outer concrete layer external spiral is arranged with reinforcement wire;
Described reinforcement wire arranged outside has external protection, and described external protection is that polypropylene fiber strengthens pea gravel concreten layer, polyvinyl alcohol fiber strengthens pea gravel concreten layer, pea gravel concreten layer strengthened by Steel Fibre or pea gravel concreten layer strengthened by steel wire.
Further, described steel cylinder comprises cylindrical shell and can cooperatively interact socket hoop and socket ring;
Described socket hoop and described socket ring are arranged at the two ends of described cylindrical shell respectively, and the two ends of described reinforcement wire are anchored on described socket hoop and described socket ring respectively.
By arranging described socket hoop and described socket ring, when the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer described in adjacent two is connected, described socket hoop coordinates with the described socket ring of the adjacent described prestress steel cylinder concrete push pipe with pea gravel concreten protective layer, improve and the described working efficiency with the prestress steel cylinder concrete push pipe of pea gravel concreten protective layer is installed, decrease installation cost, and described reinforcement wire can be made to fix, improve the described anti-pressure ability with the prestress steel cylinder concrete push pipe of pea gravel concreten protective layer.
Further, the outer surface of described socket ring is provided with groove;
The two cushion rubbers for being sealed the joint of described socket hoop and described socket ring are provided with in described groove.
By arranging described groove; and described pair of cushion rubber is set in described groove; when making described socket ring insert the socket hoop of the adjacent described prestress steel cylinder concrete push pipe with pea gravel concreten protective layer; there is flexible described pair of cushion rubber and by the gap sealing between the described socket ring that cooperatively interacts and described socket hoop, the sealability between two pipes can be improve.
Further, described groove is two, and the described position of socket ring between two described grooves offers pressurizing port.
By arranging described pressurizing port, can check pipe joint sealing, confirming installation quality in time.
Further, described groove is at least two;
Two adjacent grooves are arranged in parallel, are provided with two cushion rubber in each described groove.
By arranging at least two described grooves, further increase the sealability between two pipes.
Further, described socket ring offers injected hole;
The position that described inner concrete layer is corresponding to described injected hole is provided with slurry injection pipe, and described outer concrete layer is provided with slip casting passage, described injected hole and described slip casting channel connection at the end face near described socket ring.
By arranging described injected hole, slip casting can be carried out to pipeline, playing antisepsis with fixing tube with to socket hoop and socket ring.
Further, the two ends of described external protection are respectively arranged with reinforcement steel loop.By arranging described reinforcement steel loop, increasing the axis top power of described external protection, in jacking construction, extending tubing jacking distance.
Further, conduction steel band and cathodic protection system is also comprised;
Described conduction steel band is arranged between described steel cylinder and described reinforcement wire, and described conduction steel band is electrically connected with described cathodic protection system.
By arranging described conduction steel band and described cathodic protection system; described conduction steel band and described cathodic protection system is made to form loop; because described conduction steel band is arranged on described steel cylinder; when carrying liquid; described steel cylinder is in negative electrode; thus blocked the corrosion of described steel cylinder, extend the described working life with the prestress steel cylinder concrete push pipe of pea gravel concreten protective layer.
Further, described conduction steel band is two;
Article two, described conduction steel band is arranged on described steel cylinder symmetrically, and two described conduction steel bands are electrically connected with described cathodic protection system respectively.
Because the diameter of the described prestress steel cylinder concrete push pipe with pea gravel concreten protective layer is comparatively large, by arranging two described conduction steel bands, the anti-corrosion capacity of described cathodic protection system can be improved.
Further, also comprise epoxy protective layer, described epoxy protective layer is arranged at the inwall of described inner concrete layer.
By arranging described epoxy protective layer at the inwall of described inner concrete layer, effectively can prevent the material in described inner concrete layer from dissolving in water, preventing described inner concrete layer to be etched, improve the Security of water delivery.
The beneficial effect of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that the utility model provides is: because external protection is that polypropylene fiber strengthens pea gravel concreten layer, polyvinyl alcohol fiber strengthens pea gravel concreten layer, pea gravel concreten layer strengthened by Steel Fibre or pea gravel concreten layer strengthened by steel wire, greatly strengthen the density of external protection, intensity and water absorption rate; Substantially increase the axially loaded of protective layer appearance quality and protective layer, thus raising tubing axially pushes up power, extends tubing jacking distance, reach the object of vice-minister's distance jacking; Improve the anti-corrosion capacity of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that Fig. 1 provides for the utility model embodiment 1;
The structural representation of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that Fig. 2 provides for the utility model embodiment 2;
The prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that Fig. 3 provides for the utility model embodiment 2 is in fig. 2 along the sectional structure schematic diagram of A-A line;
The partial enlarged drawing of prestress steel cylinder concrete push pipe at a place with pea gravel concreten protective layer that Fig. 4 provides for the utility model embodiment 2;
The partial enlarged drawing of prestress steel cylinder concrete push pipe at b place with pea gravel concreten protective layer that Fig. 5 provides for the utility model embodiment 2;
The structural representation of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that Fig. 6 provides for the utility model embodiment 3;
The structural representation of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer that Fig. 7 provides for the utility model embodiment 4.
Reference character gathers:
Steel cylinder 101; Inner concrete layer 102; Outer concrete layer 103; Reinforcement wire 104; External protection 105; Socket hoop 106; Socket ring 107; Groove 108; Pressurizing port 109; Injected hole 110; Slurry injection pipe 111; Strengthen steel loop 112; Conduction steel band 113; Epoxy protective layer 114.
Embodiment
Prestressed concrete cylinder pipe (Prestressed Concrete Cylinder Pipe, PCCP) is one of domestic and international aqueduct main in the condition of senior engineer's pressure, dark earthing.The method of construction of current PCCP takes to excavate the mode of tubing after groove, but when passing through road, river, railway, urban architecture thing, because its face width requires larger, and certain destruction can be caused around to construction, very large obstruction can be subject in some town water supply engineerings.Adopt prestress steel cylinder concrete push pipe to carry out jacking construction, the line construction method wasted time and energy that the steel pipe that adopts when usually passing by one's way or steel pipe add concrete sleeve can be replaced.
The present utility model people find under study for action; the protective layer of existing prestress steel cylinder concrete push pipe adopts the concrete of reinforcing bar or steel wire reinforcement; anti-corrosion capacity is poor; in use easily there is the corrosion of reinforcing bar in concrete or steel wire; thus decrease the working life of pipeline; and the axially loaded that the protective layer of this prestress steel cylinder concrete push pipe can bear is little, a tubing jacking is apart from little.
Given this, the present utility model people devises a kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer, at its reinforcement wire 104 arranged outside external protection 105, external protection 105 is strengthened pea gravel concreten layer, polyvinyl alcohol fiber reinforcement pea gravel concreten layer, Steel Fibre reinforcement pea gravel concreten layer or steel wire for polypropylene fiber and is strengthened pea gravel concreten layer, greatly strengthen the density of external protection 105, intensity and water absorption rate; Substantially increase the axially loaded of protective layer appearance quality and protective layer, thus raising tubing axially pushes up power, extends tubing jacking distance, reach the object of vice-minister's distance jacking; Improve the anti-corrosion capacity of the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer simultaneously.
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
The utility model example 1 provides a kind of prestress steel cylinder concrete push pipe (hereinafter referred to as JPCCP) with pea gravel concreten protective layer, the structural representation of the JPCCP that Fig. 1 provides for the utility model embodiment 1; Refer to Fig. 1, this JPCCP comprises steel cylinder 101, and steel cylinder 101 inner side and outer side is respectively arranged with inner concrete layer 102 and outer concrete layer 103, in the present embodiment, inner concrete layer 102 is fixedly connected on the internal surface of steel cylinder 101, and outer concrete layer 103 is fixedly connected on the outer surface of steel cylinder 101.
Outer concrete layer 103 external spiral is arranged with reinforcement wire 104.Reinforcement wire 104 arranged outside has external protection 105, and external protection 105 is strengthened pea gravel concreten layer, polyvinyl alcohol fiber reinforcement pea gravel concreten layer, Steel Fibre reinforcement pea gravel concreten layer or steel wire for polypropylene fiber and strengthened pea gravel concreten layer.
Due to the difference of spacing between adjacent two circles of reinforcement wire 104; external protection 105 there will be and is directly overlying on reinforcement wire 104 or is directly overlying on outside reinforcement wire 104 and outer concrete layer 103; be to be understood that; reinforcement wire 104 arranged outside has external protection 105; do not limit the position that external protection 105 is directly coated, only need be arranged at outside reinforcement wire 104 and play a protective role.
Polypropylene fiber is a kind of novel concrete reinforced fiber, is called as concrete " secondary stiffening rib ", through special process for treating surface, ensure that fiber has splendid dispersiveness and the bond stress with cement body in concrete.It is the stratiform structure of mixing polypropylene fiber and being formed in pea gravel concreten layer that polypropylene fiber in the present embodiment strengthens pea gravel concreten layer.Constructively, the structure of polypropylene fiber reinforcement pea gravel concreten layer is more closely knit; In performance, polypropylene fiber is strengthened pea gravel concreten layer and is greatly improved concrete impermeability, significantly improves concrete shock resistance and wear-resisting property, improves the quality of concrete product, the integrity on effective maintenance goods limit, angle, surface, makes the reinforcing bar in goods do not corroded.
Polyvinyl alcohol fiber take polyvinyl alcohol as the obtained synthetic fiber of raw material spinning, has good mechanical property, its intensity is high, modulus is high, degree of stretching is low, and good corrosion resistance.It is the stratiform structure of mixing polyvinyl alcohol fiber and being formed in pea gravel concreten layer that polyvinyl alcohol fiber in the present embodiment strengthens pea gravel concreten layer.Constructively, the structure of polyvinyl alcohol fiber reinforcement pea gravel concreten layer is more closely knit; In performance, polypropylene fiber strengthen pea gravel concreten layer intensity and water absorption rate good, anti-corrosion capacity improves greatly.
Pea gravel concreten layer i.e. mixing of steel fiber and the stratiform structure that formed in pea gravel concreten layer strengthened by Steel Fibre.Steel wire is strengthened pea gravel concreten layer and namely in pea gravel concreten layer, is added steel wire and form stratiform structure.Pea gravel concreten layer strengthened by Steel Fibre and steel wire reinforcement pea gravel concreten layer all can make JPCCP anti-corrosion capacity greatly improve.
Certainly, also can mix other reinforcing fibres in pea gravel concreten layer in the present embodiment, thus form reinforcing fibre pea gravel concreten layer, improve intensity and the anti-corrosion capacity of external protection 105.
The JPCCP that the utility model provides strengthens pea gravel concreten layers of polyethylene alcohol fiber due to external protection 105 for polypropylene fiber and strengthens pea gravel concreten layer, polyvinyl alcohol fiber reinforcement pea gravel concreten layer, Steel Fibre reinforcement pea gravel concreten layer or steel wire reinforcement pea gravel concreten layer, greatly strengthen the density of external protection 105, intensity and water absorption rate; Substantially increase the axially loaded of protective layer appearance quality and protective layer, thus raising tubing axially pushes up power, extends tubing jacking distance, reach the object of vice-minister's distance jacking; Improve the anti-corrosion capacity of JPCCP simultaneously.
Embodiment 2
The structural representation of the JPCCP that Fig. 2 provides for the utility model embodiment 2; The JPCCP that Fig. 3 provides for the utility model embodiment 2 is in fig. 2 along the sectional structure schematic diagram of A-A line; The partial enlarged drawing of JPCCP at a place that Fig. 4 provides for the utility model embodiment 2; Refer to Fig. 2 ~ Fig. 4, the utility model embodiment 2 provides a kind of JPCCP, and this JPCCP comprises all technical characteristic of the JPCCP that embodiment 1 provides, and the JPCCP that embodiment 2 provides also comprises following technical characteristics:
Refer to Fig. 2, steel cylinder 101 comprises cylindrical shell and can cooperatively interact socket hoop 106 and socket ring 107.Socket hoop 106 and socket ring 107 are arranged at the two ends of cylindrical shell respectively, and the two ends of reinforcement wire 104 are anchored on socket hoop 106 and socket ring 107 respectively.
By arranging socket hoop 106 and socket ring 107, when adjacent two JPCCP are connected, socket hoop 106 coordinates with the socket ring 107 of adjacent JPCCP, improve the working efficiency of installing JPCCP, decrease installation cost, and reinforcement wire 104 can be made to fix, improve the anti-pressure ability of JPCCP.
Refer to Fig. 2, the outer surface of socket ring 107 is provided with groove 108.The two cushion rubbers for being sealed the joint of socket hoop 106 and socket ring 107 are provided with in groove 108.
By arranging groove 108, and two cushion rubber is set in groove 108, when making the socket ring 107 of one of them JPCCP insert the socket hoop 106 of adjacent JPCCP, there is flexible pair of cushion rubber and by the gap sealing between the socket ring 107 that cooperatively interacts and socket hoop 106, the sealability between two pipes can be improve.
Groove 108 is at least two.Two adjacent grooves 108 are arranged in parallel, are provided with two cushion rubber in each groove 108.By arranging at least two grooves 108, further increase the sealability between two pipes.
The partial enlarged drawing of JPCCP at b place that Fig. 5 provides for the utility model embodiment 2; Refer to Fig. 2 and Fig. 5, in the present embodiment, groove 108 is two, and the position of socket ring 107 between two grooves 108 offers pressurizing port 109.By arranging pressurizing port 109, can check pipe joint sealing, confirming installation quality in time.
Refer to Fig. 2 and Fig. 5, socket ring 107 offers injected hole 110.The position that inner concrete layer 102 is corresponding to injected hole 110 is provided with slurry injection pipe 111, and outer concrete layer 103 is provided with slip casting passage at the end face near socket ring 107, injected hole 110 and slip casting channel connection.By arranging injected hole 110, slip casting can be carried out to pipeline, with fixing tube with to socket hoop 106 and socket ring 107 antisepsises.
Refer to Fig. 2, the two ends of external protection 105 are respectively arranged with strengthens steel loop 112.Strengthening steel loop 112 by arranging, increasing the axis top power of external protection 105, in jacking construction, extend tubing jacking distance.
The preparation process of the JPCCP that the present embodiment provides is as follows:
The first step, socket hoop 106 and socket ring 107 make: by satisfactory steel plate, make requirement by technique and be welded into annulus, and with round-expanding machine expanding to required design size, then reserve pressurizing port 109 and injected hole 110 at socket ring 107 according to the position of design, require that counterpart weld seam and welding slag around must be removed clean and polish.
Second step, steel cylinder 101 makes: cylindrical shell is rolled by the steel plate meeting designing requirement and is welded.The steel cylinder 101 made must one by one through the hydrostatic test, next process of being allowed for access after the hydrostatic test is qualified.
3rd step, inner concrete layer 102 and outer concrete layer 103 make: load in punching block by steel cylinder 101 qualified for hydraulic test, then holding, spigot presets and strengthens steel loop 112, punching block bolt must be equipped with complete, then according to the proportioning vertical forming steel cylinder 101 medial and lateral concrete of design.
4th step, steam curing: the tube core (steel cylinder 101, inner concrete layer 102 and outer concrete layer 103 form tube core) of inwall mortar forming connection is hung together with mould and carries out steam curing toward steam-cured hole, curing temperature evenly heats up with the speed being not more than 20 DEG C/h, and maximum temperature is not more than 60 DEG C.Thermostat temperature remains on 55 DEG C ~ 60 DEG C, and curing time must not be less than 12 hours.
5th step, after maintenance terminates, hangs out tube core, removes out after cooling by tube core from mould, and carries out watering maintenance 3-4 days.
6th step, is wound around reinforcement wire 104: the tube core be up to the standards is wound around reinforcement wire 104, should guarantees that reinforcement wire 104 stress meets designing requirement during winding.
7th step, external protection 105 makes: detect qualified tube core load in punching block by twining silk, punching block bolt must be equipped with complete, punching block assembles the custom-designed polypropylene fiber of after-pouring and strengthens pea gravel concreten, polyvinyl alcohol fiber strengthens pea gravel concreten, pea gravel concreten strengthened by Steel Fibre or pea gravel concreten strengthened by steel wire, and then form polypropylene fiber reinforcement pea gravel concreten layer, polyvinyl alcohol fiber strengthens pea gravel concreten layer, the external protection 105 of pea gravel concreten layer or steel wire reinforcement pea gravel concreten layer strengthened by Steel Fibre, require that external protection 105 surface should be smooth, attractive in appearance.
8th step, external protection 105 maintenance: when outdoor temperature is lower than 10 DEG C, adopts steam curing; When outdoor temperature is higher than 10 DEG C, adopt steam curing or natural curing.Adopting should note heating up during steam curing is not more than 20 DEG C of speed rises to 40 DEG C ~ 45 DEG C with per hour, and minimum curing time is 10 hours (comprising temperature raising period).
9th step, inspection is dispatched from the factory.
Embodiment 3
The structural representation of the JPCCP that Fig. 6 provides for the utility model embodiment 3; Refer to Fig. 6, the utility model embodiment 3 provides a kind of JPCCP, and the difference of the JPCCP that this JPCCP and embodiment 2 provide only is:
The JPCCP that the present embodiment provides also comprises conduction steel band 113 and cathodic protection system.Conduction steel band 113 is arranged between steel cylinder 101 and reinforcement wire 104, and conduction steel band 113 is electrically connected with cathodic protection system.
Cathodic protection system in the present embodiment is existing electrical system, by external resistor only corrosion.
By arranging conduction steel band 113 and cathodic protection system, conduction steel band 113 and cathodic protection system is made to form loop, because conduction steel band 113 is arranged on steel cylinder 101; when carrying liquid; steel cylinder 101 is in negative electrode, thus has blocked the corrosion of steel cylinder 101, extends the working life of JPCCP.
Conduction steel band 113 is two.Article two, the steel band 113 that conducts electricity is arranged on steel cylinder 101 symmetrically, and two conduction steel bands 113 are electrically connected with cathodic protection system respectively.
Because the diameter of JPCCP is comparatively large, by arranging two conduction steel bands 113, the anti-corrosion capacity of cathodic protection system can be improved.
Embodiment 4
The structural representation of the JPCCP that Fig. 7 provides for the utility model embodiment 4; Refer to Fig. 7, the utility model embodiment 4 provides a kind of JPCCP, and the difference of the JPCCP that this JPCCP and embodiment 2 provide only is:
The JPCCP that the present embodiment provides also comprises epoxy protective layer 114, and epoxy protective layer 114 is arranged at the inwall of inner concrete layer 102.
By arranging epoxy protective layer 114 at the inwall of inner concrete layer 102, effectively can prevent the material in inner concrete layer 102 from dissolving in water, preventing inner concrete layer 102 to be etched, improve the Security of water delivery.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1., with a prestress steel cylinder concrete push pipe for pea gravel concreten protective layer, it is characterized in that, comprise steel cylinder;
Described steel cylinder inner side and outer side is respectively arranged with inner concrete layer and outer concrete layer, and described outer concrete layer external spiral is arranged with reinforcement wire;
Described reinforcement wire arranged outside has external protection, and described external protection is that polypropylene fiber strengthens pea gravel concreten layer, polyvinyl alcohol fiber strengthens pea gravel concreten layer, pea gravel concreten layer strengthened by Steel Fibre or pea gravel concreten layer strengthened by steel wire.
2. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 1, is characterized in that, described steel cylinder comprises cylindrical shell and can cooperatively interact socket hoop and socket ring;
Described socket hoop and described socket ring are arranged at the two ends of described cylindrical shell respectively, and the two ends of described reinforcement wire are anchored on described socket hoop and described socket ring respectively.
3. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 2, is characterized in that, the outer surface of described socket ring is provided with groove;
The two cushion rubbers for being sealed the joint of described socket hoop and described socket ring are provided with in described groove.
4. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 3, is characterized in that, described groove is two, and the described position of socket ring between two described grooves offers pressurizing port.
5. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 3, it is characterized in that, described groove is at least two;
Two adjacent grooves are arranged in parallel, are provided with two cushion rubber in each described groove.
6. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 2, is characterized in that, described socket ring offers injected hole;
The position that described inner concrete layer is corresponding to described injected hole is provided with slurry injection pipe, and described outer concrete layer is provided with slip casting passage, described injected hole and described slip casting channel connection at the end face near described socket ring.
7. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 1, is characterized in that, the two ends of described external protection are respectively arranged with reinforcement steel loop.
8. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 1, is characterized in that, also comprises conduction steel band and cathodic protection system;
Described conduction steel band is arranged between described steel cylinder and described reinforcement wire, and described conduction steel band is electrically connected with described cathodic protection system.
9. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 8, is characterized in that, described conduction steel band is two;
Article two, described conduction steel band is arranged on described steel cylinder symmetrically, and two described conduction steel bands are electrically connected with described cathodic protection system respectively.
10. the prestress steel cylinder concrete push pipe with pea gravel concreten protective layer according to claim 1, is characterized in that, also comprise epoxy protective layer, and described epoxy protective layer is arranged at the inwall of described inner concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022645.5U CN204403607U (en) | 2014-12-30 | 2015-01-13 | A kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420860337 | 2014-12-30 | ||
| CN2014208603375 | 2014-12-30 | ||
| CN201520022645.5U CN204403607U (en) | 2014-12-30 | 2015-01-13 | A kind of prestress steel cylinder concrete push pipe with pea gravel concreten protective layer |
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| CN204403607U true CN204403607U (en) | 2015-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109937A (en) * | 2014-09-10 | 2017-08-29 | 麦可洛水利公司 | Integrated form push pipe |
| CN112032418A (en) * | 2020-08-31 | 2020-12-04 | 金华巨龙管道有限公司 | Prestressed steel cylinder concrete pipe |
-
2015
- 2015-01-13 CN CN201520022645.5U patent/CN204403607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109937A (en) * | 2014-09-10 | 2017-08-29 | 麦可洛水利公司 | Integrated form push pipe |
| CN112032418A (en) * | 2020-08-31 | 2020-12-04 | 金华巨龙管道有限公司 | Prestressed steel cylinder concrete pipe |
| CN112032418B (en) * | 2020-08-31 | 2022-04-22 | 金华巨龙管道有限公司 | Prestressed steel cylinder concrete pipe |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 751600 Hexi, Qingtongxia City, Wuzhong City, Ningxia Hui Autonomous Region Patentee after: Ningxia Qinglong Pipe Group Co.,Ltd. Address before: 751600 Hexi, Qingtongxia City, Ningxia Hui Autonomous Region Patentee before: NINGXIA QINGLONG PIPES INDUSTRY Co.,Ltd. |
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| CP03 | Change of name, title or address |