CN205655031U - Compound back lining integrated configuration of reinforcement prevention of seepage - Google Patents
Compound back lining integrated configuration of reinforcement prevention of seepage Download PDFInfo
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- CN205655031U CN205655031U CN201620267783.4U CN201620267783U CN205655031U CN 205655031 U CN205655031 U CN 205655031U CN 201620267783 U CN201620267783 U CN 201620267783U CN 205655031 U CN205655031 U CN 205655031U
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Abstract
The utility model discloses a compound back lining integrated configuration of reinforcement prevention of seepage, it includes: it has the vertical carbon cloth of at least one deck to paste on the inboard surface of the disconnected fiber tube of PCCP the surface paste of vertical carbon cloth has an at least one deck hoop carbon cloth the coating has one deck DXE elasticity coating on the hoop carbon cloth. The utility model discloses a characteristics that the tensile strength of compound back lining integrated configuration of reinforcement prevention of seepage make full use of carbon fiber is big, bearing capacity strong and DXE elasticity coating prevention of seepage effect excellence and adaptive deformation can the reinforces, surface paste 1 in disconnected fiber tube tube core concrete 2 the vertical carbon cloth in layer and 3 5 layer hoop carbon cloth forms the carbon fiber reinforcement composite sheet by multi coated carbon fiber sheet and impregnating compound. At CFRP external coating 1mm 5mm's DXE elasticity coating plays the effect of prevention of seepage and CFRP surface protection.
Description
Technical field
This utility model relates to a kind of reinforcement combinative structure, particularly relates to reinforcement antiseepage and is combined back boxing
Combinative structure.
Background technology
Prestressed concrete cylinder pipe (PCCP) is by concrete tube core, steel cylinder, prestress steel
The composite construction that silk and mortar cover are constituted, its intensity depends on being wrapped on concrete tube core
Compressor wire, steel wire produces on tube core presses prestressing force uniformly, it is possible to compensate for by intrinsic pressure and
The tension that external load produces.In the process manufactured, construct and use, there is many reasons and cause
Steel wire damage or corrosion so that steel wire generation fracture of wire in PCCP, along with compressor wire number of fracture
Purpose increases, and the prestressing force of pipeline reduces, thus causes mortar cover and concrete tube core to occur
Crack, once fracture of wire number reaches marginal value, and steel cylinder is it may happen that surrender is damaged, and causes whole
Pipe destroys, and even causes pipe explosion accident.Booster has sudden, calamitous, does not the most levy
Million, after booster occurs, it is not restricted to piped water supply and interrupts, also can cause big flood and public
Security incident.At present, Prestressed concrete cylinder pipe (PCCP) reinforcement to there is fracture of wire adds
Gu measure mainly has external wrapping concrete, post stretching (external prestressing), changes the methods such as pipe, poling.
These methods need to excavate along pipeline in outside, the most infeasible the most uneconomical for city engineering.And
The reinforcement combinative structure cost that said method obtains is high, anti-seepage effect difference resistant abrasion poor performance, adapts to
Deformability is poor.
Utility model content
The purpose of this utility model is to provide reinforcement antiseepage and is combined back boxing combinative structure, and it has antiseepage
Excellent effect, resistant abrasion performance are good, asepsis environment-protecting, advantage that adaptive deformation ability is strong.
For solving above-mentioned technical problem, this utility model provides a kind of reinforcement antiseepage to be combined back boxing combination
Structure, comprising: be pasted with at least one of which longitudinal direction carbon cloth on PCCP fracture of wire pipe inner surface,
Surface mount at described longitudinal carbon cloth has at least one of which hoop carbon cloth, at described hoop
One layer of DXE elastic coating it is coated with on carbon cloth.
It is pasted with ground floor longitudinal direction carbon cloth, described on described PCCP fracture of wire pipe inner surface
Ground floor and second layer hoop carbon fiber it is pasted with successively on the surface of ground floor longitudinal direction carbon cloth
Cloth, is coated with one layer of 1mm to 5mm on the outer surface of described second layer hoop carbon cloth
DXE elastic coating.
It is pasted with ground floor longitudinal direction carbon cloth, described on described PCCP fracture of wire pipe inner surface
Ground floor, the second layer and third layer hoop carbon it is pasted with successively fine on the surface of longitudinal carbon cloth
Wei Bu, is coated with one layer of 1mm extremely on the outer surface of described third layer hoop carbon cloth
5mm DXE elastic coating.
It is pasted with ground floor longitudinal direction carbon cloth, described on described PCCP fracture of wire pipe inner surface
Ground floor and second layer hoop carbon fiber it is pasted with successively on the surface of ground floor longitudinal direction carbon cloth
Cloth, is pasted with second layer longitudinal direction carbon cloth on described second layer hoop carbon cloth surface again,
The surface of described second layer longitudinal direction carbon cloth is sequentially pasted with third layer and the 4th layer of hoop
Carbon cloth, is coated with one layer of 1mm to 5mm on the surface of described 4th layer of carbon cloth
DXE elastic coating.
It is pasted with first at Prestressed concrete cylinder pipe core on described PCCP fracture of wire pipe inner surface
Inner surface is pasted with ground floor longitudinal direction carbon cloth, sequentially glues on ground floor longitudinal direction carbon cloth
Post ground floor and second layer hoop carbon cloth, second layer hoop carbon cloth is pasted with
Two layers of longitudinal carbon cloth, second layer longitudinal direction carbon cloth is sequentially pasted with third layer, the 4th
Layer and layer 5 hoop carbon cloth, coat one on the outer surface of layer 5 hoop carbon cloth
The DXE elastic coating of layer 1 to 5mm.
The thickness of described DXE elastic coating is 2mm, 3mm or 5mm.
Described carbon cloth is at least along the lap of splice of the Impact direction of described carbon fiber
100mm。
Described DXE elastic coating and the sticking strength 2.0MPa of described hoop carbon cloth.
Reinforcement antiseepage of the present utility model is combined back boxing combinative structure and has a following Advantageous Effects:
Reinforcement antiseepage of the present utility model is combined back boxing combinative structure and makes full use of the tension of carbon fiber
Intensity is big, bearing capacity is strong and DXE elastic coating anti-seepage effect excellent and adaptive deformation ability
Strong feature, pastes 1-2 layer longitudinal direction carbon cloth and 3-5 at fracture of wire pipe tube core concrete inner surface
Layer hoop carbon cloth, is formed fibre reinforced composite plate by multi-storey up-down and translation and dipping glue.?
The DXE elastic coating of CFRP external coating 1mm-5mm, plays the anti-CFRP surface that blends and prevents
Protect effect.CFRP and DXE elastic coating forms reinforcement antiseepage at fracture of wire inside pipe wall and is combined back boxing
Combinative structure and PCCP fracture of wire pipe synergy, bear the load in pipeline, from pipeline Interior Solutions
Certainly resolving the technical barrier that fiber tube bearing capacity is not enough, the anti-seepage effect of this reinforced structure is excellent, anti-
Performance is good, PCCP fracture of wire pipe overall structure reinforcing effect is good for punching mill.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand this practicality
Novel, this utility model is made the most specifically with detailed description of the invention below in conjunction with accompanying drawing
Bright.
Fig. 1 is the structural representation of lined Prestressed concrete cylinder pipe；
Fig. 2 is the structural representation of embed-type Prestressed concrete cylinder pipe；
Fig. 3 is the profilograph that reinforcement antiseepage of the present utility model is combined back boxing combinative structure；
Fig. 4 is the drawing in side sectional elevation that reinforcement antiseepage of the present utility model is combined back boxing combinative structure；
Fig. 5 is that the reinforcement antiseepage of an embodiment of the present utility model is combined showing of back boxing combinative structure
It is intended to；
Fig. 6 is that the reinforcement antiseepage of another embodiment of the present utility model is combined back boxing combinative structure
Schematic diagram；
Fig. 7 is that the reinforcement antiseepage of another embodiment of the present utility model is combined back boxing combinative structure
Schematic diagram；
Fig. 8 is that the reinforcement antiseepage of another embodiment of the present utility model is combined back boxing combinative structure
Schematic diagram.
Detailed description of the invention
Prestressed concrete cylinder pipe PCCP has 2 kinds of patterns: the first prestress steel cylinder concrete
Pipe, please refer to shown in Fig. 1, concrete tube core includes steel cylinder and internal lining pipe core concrete 14,
The outside of the stress wire 12 and steel pipe 13 that are directly wound in the high intensity outside steel cylinder has one layer
Protective layer mortar 11 forms lined prestress steel cylinder concrete manometer tube (PCCPL)；The second
Prestressed concrete cylinder pipe, please refer to shown in Fig. 2, the steel cylinder of concrete tube core is embedded in
In tube core concrete 14, it is wrapped in the high-strength prestressed steel wire 12 on outer concrete 14 surface,
There is layer protective layer mortar 11 in the outside of compressor wire, be collectively forming and set formula pre-stress steel cylinder
Concrete pressure pipe (PCCPE).In traditional construction, set formula prestress steel cylinder concrete pressure
Pipe (PCCPE) is the most extensively applied, and the internal method for reinforcing of PCCP fracture of wire pipe is equally applicable to
The structure of PCCPL and construction method.
Please refer to shown in Fig. 3 to Fig. 8, wherein, Fig. 3 and Fig. 4 is in reinforcement antiseepage is combined
The profilograph of lining combinative structure and drawing in side sectional elevation, wherein, Prestressed concrete cylinder pipe (PCCP)
Including being followed successively by protective layer mortar 21, tube core concrete 22, steel pipe 23, pipe from outside to inner side
Core concrete 22, fibre reinforced composite plate 24 and DXE elastic coating 25.Reinforcement antiseepage is multiple
Close back boxing combinative structure and include 1-2 layer longitudinal direction carbon cloth, 3-5 layer hoop carbon cloth and DXE
Elastic coating.
The internal method for reinforcing of PCCP fracture of wire pipe, specifically includes following steps:
Step A: according to detail design, the DXE elastomeric material required for preparation, carbon fiber plate
Material etc., according to construction technical schemes and construction plan, the DXE elastomeric material for preparing to be used,
Carbon fiber plate, matching gel stick, facility etc..
It is as follows that reinforcement antiseepage is combined each technical requirements for materials that back boxing combinative structure used: wherein,
Carbon fiber plate includes carbon cloth and carbon fiber board, and carbon cloth is the Unidirectional that 0.167mm is thick
Fibre sheet material, the safe performance indexes of carbon fiber plate meets table 1 and requires:
The safe performance indexes of table 1 carbon fiber plate
2, primer, repair sheets and sqtructural adhesive, PCCP fracture of wire pipe reinforcement antiseepage is combined back boxing group
Close structure use primer, the repair sheets supporting with carbon fiber plate and there is good dipping, bonding energy
The sqtructural adhesive of power, the security performance of primer, repair sheets and sqtructural adhesive should correspond with table
2, table 3 and the requirement of table 4:
The safe performance indexes of table 2A level glue primer
| Performance project | Performance requirement |
| With concrete just draw adhesion strength (MPa) | >=2.5, and be concrete cohesional failure |
| Non-volatile content (solids content) (%) | ≥99 |
| First viscosity (when 23 DEG C) (mPa s) after mixing | ≤6000 |
Note: the performance indications in this table, in addition to indicating strength standard value, is meansigma methods.
The safe performance indexes of table 3 repair sheets
Note: the performance indications in this table are meansigma methods.
Table 4 carbon fiber composite dipping/bonding adhesive for bonding safe performance indexes (A level glue)
Note: the performance indications in table, in addition to indicating strength standard value, is meansigma methods；Work as sheet material
For face upward or facade paste time, the sag (when 40 DEG C) of its used adhesive not should be greater than 3m；
When by existing national standards " adhesive tensile shear strength assay method (metal to metal) " GB/T
7124 when preparing test specimen, and its pressurization maintenance should be carried out under edge-on state.Surface preventing material-DXE
Elastic coating, CFRP surface should carry out protective treatment, and the adhesive property of protective material should be fine with carbon
The adhesive of dimension sheet surface brushing is compatible, and can reliable bond.
3, using DXE elastic coating as surface preventing material in this utility model, described DXE
Elastomeric material is that epoxy resin mortar, polyureas material or a combination of both are made, DXE elasticity material
The physical and mechanical property index request of material should meet table 5.
The physical and mechanical property of table 5DXE elastomeric material
| Project | Technical specification |
| Hot strength | More than 12MPa |
| Elongation at break | More than 6% |
| Adhesive force (wet surface) | More than 2.5MPa |
| Wearability (Akron method) | Less than 30mg |
It is specifically intended that DXE elastomeric material, the raw material Ying Mi of carbon fiber plate matching gel stick
Envelope stores, and keeps fire away, it is to avoid sunlight direct irradiation.
Step B: PCCP pipe of concrete in-core surface is checked, and by PCCP concrete
Tube core inner surface is repaired smooth, and by clean for this surface clean.
Prestressed concrete cylinder pipe core inner surface treatment, removes table inside PCCP tube core concrete
Face deposit, carries out visual examination to apparent condition, pipe of concrete in-core surface ought to solid,
Smooth, must not have pitted skin, dusting, peel off, loosen, the defect such as corrosion, if existing defects, profit
With patching material, skin patching is smooth.Such as, PCCP fracture of wire tube wall has crack, should carry out
Chemical grouting or sealing treatment, and with patching material, skin patching is smooth.Before construction, by coagulation
Soil tube core inner surface is rinsed well, and is dried by inner surface, after keeping basal plane face dry, then carries out
Reinforcement antiseepage is combined the construction of back boxing combinative structure.
Step C: reinforcement antiseepage is combined the construction of back boxing combinative structure, increases at least one of which carbon fiber
Strong composite plate pastes the Prestressed concrete cylinder pipe in-core surface cleaning up and being dried, and right
The fibre reinforced composite plate pasting pipe of concrete in-core surface carries out certain time maintenance so that it is
Initial cure.Wherein, fibre reinforced composite plate (CFRP) includes impregnating glue and multilamellar carbon fiber
Cloth.
During construction, first, holding ambient temperature need to be more than 5 DEG C so that it is meet matching gel stick
The construction temperature required.When ambient temperature is less than 5 DEG C, the matching gel of low temperature curing type should be used
Stick or take temperature-boosting measure.During construction, it is also contemplated that adhesive is solidified by ambient humidity
Impact.Secondly, when preparing carbon cloth dipping glue, Adhesive should be used by product and say
In bright book, the proportioning of regulation weighs and is placed in container, must not have in stirring container and on agitator
Greasy dirt and impurity, stir to uniform color with agitator, and determines according to on-the-spot actual environment temperature
The amount of mixing and stirring every time of adhesive, the most strictly controls the use time.Finally, sticking carbon fiber
Before cloth, with rotary broom equably by dipping glue brushing on the pipe of concrete in-core side surface handled well,
This operation is referred to as lower painting, and dipping glue painting amount standard is 500～600g/m2.When affixing carbon fabric,
Roll on carbon fiber sheet repeatedly along carbon fiber direction with specific purpose tool, make dipping glue be sufficiently submerged in
In carbon cloth, and make to there is not air between carbon cloth and concrete core inner surface as far as possible,
And carbon cloth must not be damaged during rolling.
When affixing carbon fabric again on carbon cloth, fine with cylinder carbon on having pasted
The upper brush of Wei Bu uniformly brushing dipping glue, is referred to as upper painting, and painting amount standard is 300～200g/m2.When adopting
When reinforcing with a plurality of or multi-storey up-down and translation, carbon cloth is along the lap of splice of fiber cloth Impact direction
Being no less than 100mm, the lap position of each bar or each layer carbon cloth should mutually stagger, at fiber
Carry out next layer during the sqtructural adhesive dry to touch on cloth surface immediately to paste.Repeat above-mentioned operation,
And should on the surface of last layer of carbon cloth uniform application sqtructural adhesive.
Concrete, need the operating pressure according to Prestressed concrete cylinder pipe core inner, to reinforcement
Compound back boxing combinative structure is reinforced, wherein, and L: longitudinal carbon cloth；R: hoop carbon fiber
Cloth.
1, please refer to shown in Fig. 5, in PCCP pipeline, operating pressure is Pw, when PCCP manages
Operating pressure P in linewDuring 0.5MPa, reinforcement antiseepage is combined back boxing combinative structure and includes
The DXE elastic coating of 1L+2R+2mm, first at Prestressed concrete cylinder pipe in-core side surface
Paste ground floor longitudinal direction carbon cloth 241, the most sequentially paste ground floor hoop carbon cloth 242
With second layer hoop carbon cloth 242, finally coat the DXE elastic coating 25 of one layer of 2mm.
2, please refer to shown in Fig. 6, when operating pressure P in PCCP pipelinew, 0.5MPa ＜
PwDuring 1.0MPa, reinforcement antiseepage is combined the DXE that back boxing combinative structure includes 1L+3R+2mm
Elastic coating, first pastes ground floor longitudinal direction carbon at Prestressed concrete cylinder pipe in-core side surface fine
Dimension cloth 241, the most sequentially pastes ground floor, the second layer and third layer hoop carbon cloth 242,
Finally coat the DXE elastic coating 25 of one layer of 2mm.
3, please refer to shown in Fig. 7, when operating pressure P in PCCP pipelinew, 1.0MPa ＜
PwDuring 1.5MPa, reinforcement antiseepage is combined the DXE that back boxing combinative structure includes 2L+4R+3mm
Elastic coating, first pastes ground floor longitudinal direction carbon at Prestressed concrete cylinder pipe in-core side surface fine
Dimension cloth 241, sequentially pastes ground floor and second layer hoop carbon cloth 242, then it is vertical to paste the second layer
To carbon cloth 241, the most sequentially paste third layer and the 4th layer of hoop carbon cloth 242, finally
The DXE elastic coating 25 of one layer of 3mm of coating.
4, please refer to shown in Fig. 8, when operating pressure P in PCCP pipelinew, 1.5MPa ＜
PwDuring 2.0MPa, reinforcement antiseepage is combined the DXE that back boxing combinative structure includes 2L+5R+3mm
Elastic coating, first pastes ground floor longitudinal direction carbon at Prestressed concrete cylinder pipe in-core side surface fine
Dimension cloth 241, after sequentially pasting ground floor and second layer hoop carbon cloth 242, then pastes second
The longitudinal carbon cloth 241 of layer, the most sequentially pastes third layer, the 4th layer and layer 5 hoop carbon
Fiber cloth 242, finally coats the DXE elastic coating 25 of one layer of 3mm.
5, when operating pressure P in pipelinew, 2.0MPa ＜ PwTime, need to use after demonstration.
According to the needs of actual condition, the thickness of DXE elastic coating can also be 1mm, 4mm,
5mm, 6mm, 8mm etc..
Every time after affixing carbon fabric, need natural curing to reach initial cure in 24 hours, and should ensure that
During solidification without interruption.Because in pipe of concrete, temperature is about 10 DEG C, humidity about 90,
Carbon cloth reaches design strength and needs 2-3 week after pasting, the carbon pasted should be prevented during this period fine
Wei Bu is by rigid impact and rolls.
Wherein, CFRP quality control standards (QCS) is: the real area of CFRP should not be less than design face
Long-pending, position deviation not should be greater than 10mm.Bond quality between carbon fiber plate and concrete,
Available hand hammer taps or the method inspection on hand pressure carbon fiber plate surface gently, total effectively bond area
Not lower than 95%.When the hollowing area of carbon cloth is not more than 1000mm2Time, needle tubing can be used
The method of injecting glue is repaired.When hollowing area is more than 1000mm2Time, preferably by the carbon at hollowing position
Fibre sheet material excises, and again overlaps and paste the carbon fiber plate of equivalent, and the lap of splice is no less than
100mm.During pull-out test, CFRP and pipe of concrete in-core survey sticking strength 2.5MPa, and
For concrete cohesional failure.When using this utility model reinforcing PCCP fracture of wire pipe, it is necessary to will
Fracture of wire pipe two ends bell and spigot seam areas seals, in order to avoid having after concrete cracking inside fracture of wire pipe tube core
Water penetrates into.
Step D: after the carbon cloth maintenance of stickup terminates, in fibre reinforced composite plate CFRP
The surface-coated one bed boundary agent of carbon cloth, and further in fibre reinforced composite plate CFRP
The surface of carbon cloth uniformly coat DXE elastic coating, and to DXE elastic coating maintenance one
Fix time.
After fibre reinforced composite plate CFRP reaches curing period, carry out executing of DXE elastic coating
Work, when PCCP pipeline internal temperature is low, high humidity, it is combined having pasted fibre reinforced
When plate CFRP surface can produce condensation, should be first by condensation wiped clean, in time at fibre reinforced
Composite plate CFRP external coating wet surface interfacial agents, it is to avoid holiday phenomenon.Brushing DXE elasticity is coated with
The layer time, will implement when interfacial agents initial solidification when not wire drawing (touch with one's hand and), DXE elasticity is coated with
Layer preferably uses blade coating, brushing or the method for roller coat, and brushing DXE elastomeric material should be at fibre reinforced
Carrying out in the period that the surface interface agent of composite plate CFRP allows, pipe waist or Guan Dingyi use multipass to be coated with
Brush, once brushing thickness is not preferably greater than 1mm, and postorder brushing should be done laggard at front one paint surfaces
OK, until thickness reaches to design requirement.Unidirectional uniform brushing answered by DXE elastomeric material, must not have stream
Drop down, packing phenomenon, and should accomplish thickness uniformly, surfacing.Twice brushing DXE elastomeric material
Lap width between the scope of operation should be not less than 50mm.DXE elastic coating last layer idle hours
More than more than one day or when having water, bottom DXE elastic coating surface is needed to need to wipe an interface
Agent, bottom DXE elastic coating surface needs to wipe a C030 activator.DXE elastic coating should
At least maintenance 72 hours in the environment of temperature more than 5 DEG C.
DXE elastic coating is good with fibre reinforced composite plate CFRP tacky state, is not allow for
Playing drum phenomenon, adhesive strength should do pull-out test, DXE elastic coating and fibre reinforced composite plate
CFRP sticking strength 2.0MPa.
Reinforcement antiseepage of the present utility model is combined back boxing combinative structure and includes: table inside PCCP fracture of wire pipe
At least one of which longitudinal direction carbon cloth 241 (longitudinally referring to be parallel to pipeline axis direction) it is pasted with on face,
Surface mount at longitudinal carbon cloth has at least one of which hoop carbon cloth 242, and (hoop refers to vertically
In pipeline axis direction), outermost hoop carbon cloth 242 is coated with one layer of 1 to 5mm
DXE elastic coating 25.
Concrete, according to the operating pressure in Prestressed concrete cylinder pipe, when work in PCCP pipeline
Make pressure Pw, PwDuring 0.5MPa, reinforcement antiseepage of the present utility model is combined back boxing combinative structure
DXE elastic coating including 1L+2R+2mm: be pasted with on PCCP fracture of wire pipe inner surface
One layer of longitudinal carbon cloth 241, pastes on the surface of ground floor longitudinal direction carbon cloth 241 successively
There are ground floor and second layer hoop carbon cloth 242, outside second layer hoop carbon cloth 242
One layer of 3mmDXE elastic coating 25 it is coated with on side surface.
When operating pressure P in PCCP pipelinew, 0.5MPa ＜ PwDuring 1.0MPa, this practicality is new
The reinforcement antiseepage of type is combined the DXE elastic coating that back boxing combinative structure includes 1L+3R+2mm:
Ground floor longitudinal direction carbon cloth 241 it is pasted with successively, at ground floor on PCCP fracture of wire pipe inner surface
Ground floor, the second layer and third layer hoop it is pasted with successively on the surface of longitudinal carbon cloth 241
Carbon cloth 242, is coated with one layer of 2mm on the outer surface of third layer hoop carbon cloth
DXE elastic coating.
When operating pressure P in PCCP pipelinew, 1.0MPa ＜ PwDuring 1.5MPa, this practicality is new
The reinforcement antiseepage of type is combined the DXE elastic coating that back boxing combinative structure includes 2L+4R+3mm:
Ground floor longitudinal direction carbon cloth 241 it is pasted with successively, at ground floor on PCCP fracture of wire pipe inner surface
Ground floor and second layer hoop carbon cloth it is pasted with successively on the surface of longitudinal carbon cloth 241
242, second layer hoop carbon cloth 242 surface is pasted with second layer longitudinal direction carbon cloth successively
241, the surface of second layer longitudinal direction carbon cloth 241 is pasted with third layer and the 4th layer of ring successively
To carbon cloth 242, the surface of the 4th layer of carbon cloth 242 is coated with one layer of 3mmDXE
Elastic coating 25.
When operating pressure P in PCCP pipelinew, 1.5MPa ＜ PwDuring 2.0MPa, reinforcement antiseepage
Compound back boxing combinative structure includes the DXE elastic coating of 2L+5R+3mm: first break at PCCP
Ground floor longitudinal direction carbon cloth 241 it is pasted with, at ground floor longitudinal direction carbon fiber on fiber tube inner surface
After being sequentially pasted with ground floor and second layer hoop carbon cloth 242 on cloth 241, then at the second layer
It is pasted with second layer longitudinal direction carbon cloth 241 on hoop carbon cloth 242, then indulges at the second layer
Third layer, the 4th layer and layer 5 hoop carbon cloth 242 is sequentially pasted to carbon cloth 241,
The last DXE elasticity coating one layer of 3mm on the outer surface of layer 5 hoop carbon cloth 242
Coating 25.
Reinforcement antiseepage of the present utility model is combined back boxing combinative structure and has the advantages that
The internal method for reinforcing of PCCP fracture of wire pipe, the tensile strength making full use of carbon fiber is big, carrying
The feature that ability is strong and DXE elastic coating anti-seepage effect is excellent and adaptive deformation ability is strong, at fracture of wire
Pipe tube core concrete inner surface is pasted 1-2 layer longitudinal direction carbon cloth and (is longitudinally referred to be parallel to pipeline axis side
To) and 2-5 layer hoop carbon cloth (hoop refers to be perpendicular to pipeline axis direction), multi-storey up-down and translation
Fibre reinforced composite plate (CFRP) is formed with dipping glue；Then at CFRP external coating 1mm-5mm
DXE elastic coating, play antiseepage effect, good protective action played on CFRP surface.CFRP
Form reinforcement antiseepage with DXE elastic coating at fracture of wire inside pipe wall and be combined back boxing combinative structure, itself and PCCP
Fracture of wire pipe synergy, bears the load in pipeline, resolves fiber tube bearing capacity from internal solution of pipeline
Not enough technical barrier.
The internal method for reinforcing of PCCP fracture of wire pipe, makes full use of the own characteristic of each material, is not required to
Will excavate along pipeline exterior, construction method is easy quickly, investment is saved, anti-seepage effect is excellent, anti-impact
Mill performance is good, asepsis environment-protecting, can be used for the construction of drinking water engineering fracture of wire pipe reinforcing.This practicality is new
Type gives full play to the performance advantage that reinforcement antiseepage is combined the various materials of back boxing combinative structure, carries out
Good combination, its composition structure matching is reasonable, and PCCP fracture of wire pipe overall structure reinforcing effect is good.
The above, for preferred embodiment of the present utility model, not make any to this utility model
Limiting, those skilled in the art utilize the content of the disclosure above to make a little simple modification, equivalent becomes
Change or modify, all falling within protection domain of the present utility model.
Claims (8)
1. a reinforcement antiseepage is combined back boxing combinative structure, it is characterised in that including:
It is pasted with at least one of which longitudinal direction carbon cloth, described vertical on PCCP fracture of wire pipe inner surface
At least one of which hoop carbon cloth is had, at described hoop carbon cloth to the surface mount of carbon cloth
On be coated with one layer of DXE elastic coating.
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
It is pasted with ground floor longitudinal direction carbon cloth, described on described PCCP fracture of wire pipe inner surface
Ground floor and second layer hoop carbon fiber it is pasted with successively on the surface of ground floor longitudinal direction carbon cloth
Cloth, is coated with one layer of 1mm to 5mm on the outer surface of described second layer hoop carbon cloth
DXE elastic coating.
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
It is pasted with ground floor longitudinal direction carbon cloth, described on described PCCP fracture of wire pipe inner surface
Ground floor, the second layer and third layer hoop carbon it is pasted with successively fine on the surface of longitudinal carbon cloth
Wei Bu, is coated with one layer of 1mm extremely on the outer surface of described third layer hoop carbon cloth
5mm DXE elastic coating.
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
It is pasted with ground floor longitudinal direction carbon cloth, described on described PCCP fracture of wire pipe inner surface
Ground floor and second layer hoop carbon fiber it is pasted with successively on the surface of ground floor longitudinal direction carbon cloth
Cloth, is pasted with second layer longitudinal direction carbon cloth on described second layer hoop carbon cloth surface again,
The surface of described second layer longitudinal direction carbon cloth is sequentially pasted with third layer and the 4th layer of hoop
Carbon cloth, is coated with one layer of 1mm to 5mm on the surface of described 4th layer of carbon cloth
DXE elastic coating.
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
It is pasted with first at Prestressed concrete cylinder pipe core on described PCCP fracture of wire pipe inner surface
Inner surface is pasted with ground floor longitudinal direction carbon cloth, sequentially glues on ground floor longitudinal direction carbon cloth
Post ground floor and second layer hoop carbon cloth, second layer hoop carbon cloth is pasted with
Two layers of longitudinal carbon cloth, second layer longitudinal direction carbon cloth is sequentially pasted with third layer, the 4th
Layer and layer 5 hoop carbon cloth, coat one on the outer surface of layer 5 hoop carbon cloth
The DXE elastic coating of layer 1 to 5mm.
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
The thickness of described DXE elastic coating is 2mm, 3mm or 5mm.
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
Described carbon cloth is at least along the lap of splice of the Impact direction of described carbon fiber
100mm。
Reinforcement antiseepage the most according to claim 1 is combined back boxing combinative structure, and its feature exists
In,
Described DXE elastic coating and the sticking strength 2.0MPa of described hoop carbon cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267783.4U CN205655031U (en) | 2016-03-31 | 2016-03-31 | Compound back lining integrated configuration of reinforcement prevention of seepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989156A (en) * | 2017-11-28 | 2018-05-04 | 北京中水科海利工程技术有限公司 | Structure, pipeline and construction method for PCCP pipe bell and spigot seams |
| CN111022820A (en) * | 2019-12-19 | 2020-04-17 | 江苏众信绿色管业科技有限公司 | Lining pipe for stainless steel pipeline repair and repair process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989156A (en) * | 2017-11-28 | 2018-05-04 | 北京中水科海利工程技术有限公司 | Structure, pipeline and construction method for PCCP pipe bell and spigot seams |
| CN107989156B (en) * | 2017-11-28 | 2024-06-07 | 北京中水科海利工程技术有限公司 | Structure for PCCP pipe faucet seam, pipeline and construction method |
| CN111022820A (en) * | 2019-12-19 | 2020-04-17 | 江苏众信绿色管业科技有限公司 | Lining pipe for stainless steel pipeline repair and repair process |
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