CN207878394U - The repairing structure at the expansion joint of pressurized water transmission box culvert - Google Patents
The repairing structure at the expansion joint of pressurized water transmission box culvert Download PDFInfo
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- CN207878394U CN207878394U CN201820101148.8U CN201820101148U CN207878394U CN 207878394 U CN207878394 U CN 207878394U CN 201820101148 U CN201820101148 U CN 201820101148U CN 207878394 U CN207878394 U CN 207878394U
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- waterproof
- waterstop
- repairing structure
- box culvert
- transmission box
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Abstract
The utility model discloses a kind of repairing structures at the expansion joint of pressurized water transmission box culvert, including：Waterproof main body of the flexible grouting material to be collectively formed with original waterproof material in the expansion joint is injected into expansion joint；Set on the waterproof main body exposing surface, waterproof layer for preventing water from being oozed out from the waterproof main body；And be fixed on pressurized water transmission box culvert inner surface, waterstop to cover the waterproof layer and compress the waterproof layer.Reach repairing structure construction convenience, good water-proof effect, the purpose with long service life.
Description
Technical field
The utility model is related to building water seepage-proof tech field, more particularly to a kind of expansion joint of pressurized water transmission box culvert
Repair structure.
Background technology
With the development of economy, the pressurized water transmission box culvert in China is more and more at present, such as large-scale Conveyance Box Culvert, large size are defeated
Water tunnel etc..Expansion joint refers to prevent building from changing due to climate temperature（Heat expansion, shrinkage）, structure is made to generate crack or broken
One build joint of suitable position setting bad and that direction is stitched along architecture construction.It stretches in order to prevent in pressurized water transmission box culvert
Waterproof material is filled in leak at seam usually at expansion joint.
But the usage time of general large-scale Conveyance Box Culvert, large water delivery tunnel etc. is usually ten to decades, it is above-mentioned to stretch
Contracting seam is in after a period of use, can be washed away, due to the aging of waterproof material etc., be caused serious flexible the long-term of water
Leakage accident at seam.So needing for a kind of easy for construction, good water-proof effect of such expansion joint design, with long service life repairing
Mend structure.
Utility model content
The purpose of the utility model embodiment is to provide a kind of repairing structure at the expansion joint of pressurized water transmission box culvert, has and applies
Work convenience, good water-proof effect, advantage with long service life.
The utility model first aspect provides a kind of repairing structure at the expansion joint of pressurized water transmission box culvert, including：
Flexible grouting material is injected into expansion joint to be collectively formed with original waterproof material in the expansion joint
Waterproof main body；
Set on the waterproof main body exposing surface, waterproof layer for preventing water from being oozed out from the waterproof main body；With
And
It is fixed on the inner surface of pressurized water transmission box culvert, sealing to cover the waterproof layer and compress the waterproof layer
Band.
Realize the repairing structure at the expansion joint of the pressurized water transmission box culvert of said program, infiltration or leak at expansion joint
In the case of, it is first turned off water source, construction personnel enters the inside of pressurized water transmission box culvert, by injecting flexible grouting into expansion joint
Material, after flexible grouting material and the solidification of original waterproof material or close to after solidification, formation density is higher and waterproof is more preferable
Waterproof main body；Again by the barrier effect of waterproof layer, water is further prevented to be oozed out from waterproof main body, so that the repairing structure has
There is preferable waterproof effect；Waterstop not only has protective effect to waterproof main body and waterproof layer, effectively prevent waterproof layer and prevents
Water body wear, and waterstop has a fixed function to waterproof layer, while waterstop has good elasticity, wearability, resistance to
Aging and tear resistance, adaptive deformation ability is strong, water resistance is good；And the work progress of the repairing structure is not necessarily to big face
Product, the construction of large-engineering amount can be achieved with repairing sealing in time, and construction is more convenient, at the same time the use longevity of the repairing structure
Life is longer.
With reference to first aspect, in the first possible realization method of first aspect, the waterproof layer includes：
Leak stopping layer of the brushing agent to rapidly block up leakage to be formed on the exposing surface of the waterproof main body；
In the protective layer with waterproof main body opposite side brushing preventing seepage and erosion mill material to be formed of the leak stopping layer；
And
In the waterproof base fabric of the protective layer being laid with the leak stopping layer opposite side.
Realize that the repairing structure of said program, leak stopping layer are formed by agent to rapidly block up leakage, not only molding time is short for leak stopping layer, and
And water is further prevented to ooze out；Protective layer is made of preventing seepage and erosion mill material, and then protective layer has preferable scour ＆ wear resistance energy,
Ageing-resistant effect is good, has certain protection effect to leak stopping layer, and protective layer equally has preferable waterproof effect；Waterproof
Base fabric is to belong to one kind of non-woven fabrics, and can be referred to as polyester felt foundation, tire base fabric or felt foundation, is had high-strength
Degree, it is high extend and puncture-resistant, it is light-weight, tensile strength is high, good penetrability, high temperature resistant, anti-freezing, ageing-resistant, corrosion-resistant, to
So that the waterproof effect of waterproof layer is more preferably.
With reference to first aspect, in second of possible realization method of first aspect, the repairing structure further includes：
The waterstop is fixed on the fixation kit on the pressurized water transmission box culvert by several groups.
Realize that the repairing structure of said program, fixation kit are conducive to the secured connection of waterstop and pressurized water transmission box culvert,
So that waterstop is more preferable to the compression effect of waterproof layer.
Second of possible realization method with reference to first aspect, in the third possible realization method of first aspect
In, the fixation kit includes：
It is fixed on the expansion bolt that in the pressurized water transmission box culvert and part is stretched out, the extension of the expansion bolt passes through
Wear the waterstop；And
The plate being located between the waterstop and the nut of the expansion bolt.
Realize that the repairing structure of said program, plate increase the contact surface between the nut of expansion bolt and waterstop
Product, to which not only waterstop more can be firmly fixed on pressurized water transmission box culvert, but also this structure is easily installed, just
In construction.
Second of possible realization method with reference to first aspect, in the 4th kind of possible realization method of first aspect
In, the repairing structure further includes：
Be located in it is between the waterstop and the inner surface of the pressurized water transmission box culvert, close on fixation kit arrangement
Article rubber water stop.
Realize that the repairing structure of said program, article rubber water stop effectively prevent water between expansion bolt and the perforation of waterstop
Infiltration, further improves the waterproof effect of the repairing structure.
The possible realization method of with reference to first aspect the first, in the 5th kind of possible realization method of first aspect
In, material selection in the repairing structure involved by each section selects one or more combinations from being listed below in each scheme
It uses：
The flexibility grouting material is soluble polyurethane, acrylamide, methyl methacrylate or epoxy resin；
The waterstop is ethylene-propylene-diene monomer offset plate or sulfonation EP rubbers plate；
The preventing seepage and erosion mill material is that hand scrapes polyureas or flexible resistant abrasion protective coating.
Realize the repairing structure of said program, soluble polyurethane, acrylamide, methyl methacrylate or asphalt mixtures modified by epoxy resin
Fat all has following advantages：The initial viscosities of slurries is low, good fluidity, the property noted are strong, can penetrate into tiny crack or hole
It is interior；Gel time can arbitrarily adjust in several seconds to dozens of minutes time range, and can accurately control；Stability is good, normal
Temperature, the storage of normal pressure lower long period do not change its fundamental property, and storage is influenced by temperature small；It is nontoxic, odorless, do not pollute ring
Border；Slurries are non-corrosive to grouting equipment, pipeline, concrete structure etc. and easy to clean；Ungauged regions are existing when grout curing
As having certain cohesive force with rock mass, concrete etc. after solidification；Seed harvest has certain resistance to compression, tensile strength, impervious
Good, antiscour and ageing-resistant performance are good；Material source is abundant, cheap；It is convenient, easy to operate to prepare.Ethylene propylene diene rubber
It is the terpolymer of ethylene, propylene and non-conjugated diene hydrocarbon, there is superior resistance to oxidation, ozone-resistant and erosion-resistant energy
Power, structural strength is high and deformability is good；Ethylene propylene diene rubber is dissolved in solvent by sulfonation EP rubbers, and sulfonated dose of glue neutralizes
Agent is handled, and sulfonation EP rubbers has the constitution of thermoplastic elastomer (TPE) and good adhesive performance, to the property of waterstop
Energy is more excellent, the service life is longer.It is aliphatic, ageing-resistant performance that hand, which scrapes polyureas or flexible resistant abrasion protective coating,
It is good；It is non-discolouring, it is nontoxic to can be used for water works；Scour ＆ wear resistance can be good, and intensity is high, elongation percentage is big, Nian Jie with base concrete strong
Degree is high, has good cryoprotective effects and resistant to chemical etching.
In conclusion the utility model embodiment has the advantages that：
First, work progress can be achieved with repairing sealing in time without large area, the construction of large-engineering amount, construction is more square
Just；
Second, in conjunction with the water proofing property of grouting material, agent to rapidly block up leakage, preventing seepage and erosion mill material, waterproof base fabric, waterstop etc.
It can so that the repairing structurally waterproof effect is more preferable.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment one；
Fig. 2 is the internal structure schematic diagram of the utility model embodiment one；
Fig. 3 is the flow diagram of the utility model embodiment two.
Reference numeral：1, waterproof main body；2, waterproof layer；21, leak stopping layer；22, protective layer；23, waterproof base fabric；3, sealing
Band；4, fixation kit；41, expansion bolt；411, nut；42, plate；5, article rubber water stop；101, pressurized water transmission box culvert；102, it stretches
Contracting seam；103, groove；104, wedge groove；105, grout hole.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one：A kind of repairing structure at the expansion joint of pressurized water transmission box culvert, as depicted in figs. 1 and 2, including：Waterproof
Main body 1, waterproof layer 2, waterstop 3, fixation kit 4 and article rubber water stop 5.
Waterproof main body 1 be injected into expansion joint 102 flexible grouting material in expansion joint 102 with original waterproof material
Material is collectively formed；Waterproof layer 2 is set to the exposing surface of waterproof main body 1, and waterproof layer 2 is for preventing water from being oozed out from waterproof main body 1；
Waterstop 3 is fixed on the inner surface of pressurized water transmission box culvert 101 by multigroup fixation kit 4, and waterstop 3 is to cover waterproof layer 2 simultaneously
Waterproof layer 2 is compressed, the quantity of fixation kit 4 is four groups in the present embodiment, and the quadrangle for being located at waterstop 3 is laid.
The infiltration or in the case of leak at expansion joint 102, is first turned off water source, construction personnel enters pressurized water transmission box culvert
Wait for that flexible grouting material and original waterproof material are solid by injecting flexible grouting material into expansion joint 102 in 101 inside
Change or close to after solidification, forms that density is higher and the better waterproof main body of waterproof 1；Again by the barrier effect of waterproof layer 2, into
One step prevents water from being oozed out from waterproof main body 1, so that the repairing structure has preferable waterproof effect；Waterstop 3 is not only to waterproof
Main body 1 and waterproof layer 2 have protective effect, effectively prevent waterproof layer 2 and waterproof main body 1 to wear, and waterstop 3 is to waterproof layer
2 have fixed function, while waterstop 3 has good elasticity, wearability, resistance to ag(e)ing and tear resistance, adaptive deformation
Ability is strong, water resistance is good；And the work progress of the repairing structure can be achieved in time without large area, the construction of large-engineering amount
Sealing is repaired, construction is more convenient, and at the same time the service life of the repairing structure is longer.
Waterproof layer 2 includes：Leak stopping layer 21, protective layer 22 and waterproof base fabric 23.Leak stopping layer 21 is the dew in waterproof main body 1
Go out brushing agent to rapidly block up leakage on surface to be formed；Protective layer 22 is in leak stopping layer 21 and the 1 opposite side brushing of waterproof main body
Preventing seepage and erosion grinds material to be formed；Waterproof base fabric 23 be laid on protective layer 22 with 21 opposite side of leak stopping layer.
Leak stopping layer 21 is formed by agent to rapidly block up leakage, and not only molding time is short for leak stopping layer 21, but also water is further prevented to ooze out；
Protective layer 22 is made of preventing seepage and erosion mill material, and then protective layer 22 has preferable scour ＆ wear resistance energy, and ageing-resistant effect is good, right
Leak stopping layer 21 has certain protection effect, and protective layer 22 equally has preferable waterproof effect；Waterproof base fabric 23 is to belong to
In one kind of non-woven fabrics, and polyester felt foundation, tire base fabric or felt foundation can be referred to as, there is high intensity, high extension
And puncture-resistant, it is light-weight, tensile strength is high, good penetrability, high temperature resistant, anti-freezing, ageing-resistant, corrosion-resistant, so that waterproof
The waterproof effect of layer 2 is more preferably.
Fixation kit 4 includes：Expansion bolt 41 and plate 42.Expansion bolt 41 is fixed in pressurized water transmission box culvert 101
And part is stretched out, the extension of expansion bolt 41 runs through waterstop 3；Plate 42 is located in waterstop 3 and expansion bolt 41
Between nut 411, plate 42 is specially stainless steel plate in the present embodiment, and plate 42 can also be for his gold in other embodiments
Belong to the plank of material.
Plate 42 increases the contact area between the nut 411 of expansion bolt 41 and waterstop 3, to can not only incite somebody to action
Waterstop 3 is more firmly fixed on pressurized water transmission box culvert 101, and this structure is easily installed, convenient for construction.
Article rubber water stop 5 is located between waterstop 3 and the inner surface of pressurized water transmission box culvert 101, and expansion bolt 41 runs through
Article rubber water stop 5, article rubber water stop 5 effectively prevent water to be permeated between expansion bolt 41 and the perforation of waterstop 3, further improve
The waterproof effect of the repairing structure.
Flexible grouting material is specially soluble polyurethane, and flexible grouting material can also be propylene in other embodiments
Amide, methyl methacrylate or epoxy resin.Soluble polyurethane, acrylamide, methyl methacrylate or epoxy
Resin all has following advantages：The initial viscosities of slurries is low, good fluidity, the property noted are strong, can penetrate into tiny crack or hole
In gap；Gel time can arbitrarily adjust in several seconds to dozens of minutes time range, and can accurately control；Stability is good,
Room temperature, the storage of normal pressure lower long period do not change its fundamental property, and storage is influenced by temperature small；It is nontoxic, odorless, do not pollute ring
Border；Slurries are non-corrosive to grouting equipment, pipeline, concrete structure etc. and easy to clean；Ungauged regions are existing when grout curing
As having certain cohesive force with rock mass, concrete etc. after solidification；Seed harvest has certain resistance to compression, tensile strength, impervious
Good, antiscour and ageing-resistant performance are good；Material source is abundant, cheap；It is convenient, easy to operate to prepare.
Waterstop 3 is specially ethylene-propylene-diene monomer offset plate, and waterstop 3 can also be sulfonation EP rubbers in other embodiments
Plate.Ethylene propylene diene rubber is the terpolymer of ethylene, propylene and non-conjugated diene hydrocarbon, has superior resistance to oxidation, anti-smelly
Oxygen and erosion-resistant ability, structural strength is high and deformability is good；Ethylene propylene diene rubber is dissolved in solvent by sulfonation EP rubbers,
Sulfonated dose of glue neutralizer is handled, and sulfonation EP rubbers has the constitution of thermoplastic elastomer (TPE) and good adhesive performance,
To which the performance of waterstop 3 is more excellent, the service life is longer.
Preventing seepage and erosion mill material is that hand scrapes polyureas, and preventing seepage and erosion mill material can also be flexible anti-impact in other embodiments
Grind protective coating.It is aliphatic that hand, which scrapes polyureas or flexible resistant abrasion protective coating, and ageing-resistant performance is good；It is non-discolouring, it is nontoxic
It can be used for water works；Scour ＆ wear resistance can be good, and intensity is high, elongation percentage is big, high with base concrete adhesive strength, has good
Cryoprotective effects and resistant to chemical etching.
Embodiment two：A kind of construction method of the repairing structure at the expansion joint of pressurized water transmission box culvert, in conjunction with Fig. 1, Fig. 2 and figure
It shown in 3, cuts off the water supply, after the water near at expansion joint 102 is extracted out with water pump, construction personnel enters pressurized water transmission box culvert 101
Inside construct, further include following steps：
Clear up S1:It is cleared up along the inner surface at expansion joint 102 and its both sides, grinding process.
Punch S2：The grout hole 105 of inclination arrangement is got through from a side surface at expansion joint 102 to the inside at expansion joint 102.
Be in the milk S3：Flexible grouting material is injected from grout hole 105 to the inside at expansion joint 102, in expansion joint 102 with
Waterproof main body 1 is collectively formed in original waterproof material.
Slot S4：After expansion joint 102 stops infiltration, the intermediate position along expansion joint 102 cuts groove 103.This reality
The shape for applying a further groove 103 is inverted trapezoidal shape, and groove 103 can also be rectangular-shaped or other shapes in other embodiments
Shape.
Leak stopping S5：Agent to rapidly block up leakage is filled into groove 103 to form leak stopping layer 21.
Brush S6：Material is ground to form protective layer in leak stopping layer 21 and 1 opposite side brushing preventing seepage and erosion of waterproof main body
22。
Patch S7：It is laid with waterproof base fabric 23 in protective layer 22 and 21 opposite side of leak stopping layer.
Beat wedge groove S8：Sideline is carved in the inner surface of pressurized water transmission box culvert 101 according to the width machine for working stone of waterstop 3,
Wedge groove 104 is polished along sideline with diamond disk, expansion bolt 41 is installed on the slot bottom of wedge groove 104.Wedge groove 104 has
Conducive to the embedded setting of expansion bolt 41, so that expansion bolt 41 will not excessively protrude the inner surface of pressurized water transmission box culvert 101.
Punching installation S9：Slot bottom with impact drill in wedge groove 104 drills, and is spaced installation expansion bolt 41, so that swollen
The part of swollen bolt 41 is stretched out from the slot bottom of wedge groove 104.
Gluing joint strip S10：Water-stop glue is laid in the inner surface brushing bonding agent of waterstop 3, and in the slot bottom of wedge groove 104
Item 5.Article rubber water stop 5 effectively prevent water to be permeated between expansion bolt 41 and the perforation of waterstop 3, further improves waterproof effect
Fruit.
Lock S11：The waterstop 3 having had openning hole and plate 42 are sleeved on to the extension of expansion bolt 41, tightened swollen
The nut 411 of swollen bolt 41.
Edge sealing anti-corrosion S12：It is sealed in the 411 external coating preventing seepage and erosion of nut of plate 42 and expansion bolt 41 mill material
Side and preservative treatment.Preventing seepage and erosion mill material effectively prevent plate 42 and expansion bolt 41 to be contacted with the external world, to plate 42 and swollen
Swollen bolt 41 has preferable protection effect, further extends the service life of plate 42 and expansion bolt 41, makes waterstop 3
Connection between pressurized water transmission box culvert 101 is more secured.
A variety of materials are chosen consistent in embodiment one in above-mentioned construction method, and then the repairing structure for gained of constructing
It can be achieved with repairing sealing in time with the advantage described described in embodiment one, and without large area, the construction of large-engineering amount,
So that its is easy for construction.
Embodiments described above does not constitute the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution made by within the spirit and principle of mode
Within enclosing.
Claims (6)
1. a kind of repairing structure at the expansion joint of pressurized water transmission box culvert, which is characterized in that including：
The flexible grouting material of injection is with common with original waterproof material in the expansion joint (102) into expansion joint (102)
The waterproof main body (1) of formation；
Set on the waterproof main body (1) exposing surface, waterproof layer for preventing water from being oozed out from the waterproof main body (1)
(2)；And
Be fixed on the inner surface of pressurized water transmission box culvert (101), with cover the waterproof layer (2) and by the waterproof layer (2) press
Tight waterstop (3).
2. repairing structure according to claim 1, which is characterized in that the waterproof layer (2) includes：
Leak stopping layer (21) of the brushing agent to rapidly block up leakage to be formed on the exposing surface of the waterproof main body (1)；
In the protection with waterproof main body (1) opposite side brushing preventing seepage and erosion mill material to be formed of the leak stopping layer (21)
Layer (22)；And
In the waterproof base fabric (23) of the protective layer (22) being laid with the leak stopping layer (21) opposite side.
3. repairing structure according to claim 1, which is characterized in that the repairing structure further includes：
The waterstop (3) is fixed on the fixation kit (4) on the pressurized water transmission box culvert (101) by several groups.
4. repairing structure according to claim 3, which is characterized in that the fixation kit (4) includes：
It is fixed on the expansion bolt (41) that in the pressurized water transmission box culvert (101) and part is stretched out, the expansion bolt (41)
Extension runs through the waterstop (3)；And
The plate (42) being located between the waterstop (3) and the nut (411) of the expansion bolt (41).
5. repairing structure according to claim 3, which is characterized in that the repairing structure further includes：
Be located in it is between the waterstop (3) and the inner surface of the pressurized water transmission box culvert (101), close on the fixation kit
(4) article rubber water stop (5) arranged.
6. repairing structure according to claim 2, which is characterized in that the material in the repairing structure involved by each section
It chooses from being listed below in each scheme and selects one or more be applied in combination：
The flexibility grouting material is soluble polyurethane, acrylamide, methyl methacrylate or epoxy resin；
The waterstop (3) is ethylene-propylene-diene monomer offset plate or sulfonation EP rubbers plate；
The preventing seepage and erosion mill material is that hand scrapes polyureas or flexible resistant abrasion protective coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101148.8U CN207878394U (en) | 2018-01-20 | 2018-01-20 | The repairing structure at the expansion joint of pressurized water transmission box culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101148.8U CN207878394U (en) | 2018-01-20 | 2018-01-20 | The repairing structure at the expansion joint of pressurized water transmission box culvert |
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| Publication Number | Publication Date |
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| CN207878394U true CN207878394U (en) | 2018-09-18 |
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ID=63507772
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| CN201820101148.8U Active CN207878394U (en) | 2018-01-20 | 2018-01-20 | The repairing structure at the expansion joint of pressurized water transmission box culvert |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487756A (en) * | 2018-01-20 | 2019-03-19 | 深圳市深水水务咨询有限公司 | The repairing structure and its construction method at the expansion joint of pressurized water transmission box culvert |
| CN109667288A (en) * | 2019-02-14 | 2019-04-23 | 国电蓬莱发电有限公司 | To the restorative procedure and structure of the water intaking box culvert seam in deep water under river channels |
| CN110439130A (en) * | 2019-08-22 | 2019-11-12 | 深圳市思房建筑工程有限公司 | A kind of folding splash guard |
-
2018
- 2018-01-20 CN CN201820101148.8U patent/CN207878394U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487756A (en) * | 2018-01-20 | 2019-03-19 | 深圳市深水水务咨询有限公司 | The repairing structure and its construction method at the expansion joint of pressurized water transmission box culvert |
| CN109667288A (en) * | 2019-02-14 | 2019-04-23 | 国电蓬莱发电有限公司 | To the restorative procedure and structure of the water intaking box culvert seam in deep water under river channels |
| CN110439130A (en) * | 2019-08-22 | 2019-11-12 | 深圳市思房建筑工程有限公司 | A kind of folding splash guard |
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