CN107604801A - The reparation structure and its gap casting glue restorative procedure of a kind of impaired bituminous paving - Google Patents
The reparation structure and its gap casting glue restorative procedure of a kind of impaired bituminous paving Download PDFInfo
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- CN107604801A CN107604801A CN201710954766.7A CN201710954766A CN107604801A CN 107604801 A CN107604801 A CN 107604801A CN 201710954766 A CN201710954766 A CN 201710954766A CN 107604801 A CN107604801 A CN 107604801A
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- 230000001771 impaired effect Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 title claims abstract description 13
- 238000005266 casting Methods 0.000 title claims abstract description 12
- 230000008439 repair process Effects 0.000 claims abstract description 58
- 238000011049 filling Methods 0.000 claims abstract description 53
- 230000001070 adhesive effect Effects 0.000 claims abstract description 28
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 16
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000010426 asphalt Substances 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000009829 pitch coating Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
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- 238000002360 preparation method Methods 0.000 claims description 3
- 238000002513 implantation Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- -1 phenolic aldehyde Chemical class 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 7
- 239000011210 fiber-reinforced concrete Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 238000005345 coagulation Methods 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of reparation structure of impaired bituminous paving and its gap casting glue restorative procedure,Including bituminous pavement top,Being damaged on the bituminous pavement top has disconnected plate stitch gap,The disconnected plate stitch gap both sides have been arranged in pairs multipair bar planting hole,The bar planting hole is distributed along the disconnected plate stitch gap bearing of trend,And reinforcing bar is inserted with vertically in the bar planting hole,Joint filling groove is provided with the disconnected plate stitch gap,The joint filling groove is located between the bar planting hole of both sides,Provided with the pitch repair piece that cross section is rectangle in the joint filling groove,The upper surface of the pitch repair piece is covered with sealing film,Full phenolic aldehyde nitrile rubber adhesive is filled between the disconnected plate stitch gap and pitch repair piece,The main points of its technical scheme are during reparation,Improve the durability for repairing road surface,Maintenance costs can effectively be lowered,Shorten the construction period,The quality of plate stitch gap reparation is resolved in guarantee,So as to extend Road Service Life.
Description
Technical field
The present invention relates to road maintenance technical field, more particularly to a kind of reparation structure of impaired bituminous paving and its gap
Casting glue restorative procedure.
Background technology
Bituminous paving has that low cost, noise are small, driving is comfortable, quick construction, the superiority such as easy to maintenance, therefore pitch
Road surface has obtained extensive promotion and application.After bituminous paving is built up due to traffic loading, environmental factor and ground surface material and
The influence of structure, and over time, various gaps can be gradually formed and extended.After gap is formed, rainwater leads to
Cross gap and enter basic unit, form dynamic water and structure sheaf is formed and wash away, ultimately result in phenomena such as road surface produces cracking, pit.Gap
Occur not only that the continuity of road pavement and flatness produce destruction, influence the aesthetic property and road-ability on road surface, Er Qierong
Easily cause moisture content to corrode roadbed and reduce the service life on road surface, while also add maintenance maintenance work and the expense on road surface.
In view of the above-mentioned problems, the Chinese patent that publication No. is CN105507111A discloses a kind of damaged concrete road surface face
The reparation structure of the reparation structure and restorative procedure of plate, wherein damaged concrete road slab includes the concrete road of surface plane hair
Faceplate panels, disconnected plate stitch gap both sides be arranged in pairs and along the multipair bar planting hole of disconnected plate stitch gap bearing of trend distribution, vertical plug and glue
Connect the reinforcing bar being fixed in bar planting hole and pour the steel fiber reinforced concrete cover being fixed on concrete road faceplate panels；It is impaired
The restorative procedure of concrete road faceplate panels, comprises the following steps：Step 1, plane hair；Step 2, it is drilled with multipair bar planting hole；Step 3,
Building adhesive is poured into the bar planting hole and is implanted into reinforcing bar vertically；Step 4, pour steel fiber reinforced concrete formation steel fiber reinforced concrete
Cover, ultimately form the reparation structure of damaged concrete road slab.
If but there is the damaged condition of disconnected plate stitch gap, it is necessary in concrete road surface upper steel fibre coagulation in such scheme
Soil forms steel fiber reinforced concrete cover, and the form removal after 24-48 hours of steel fiber reinforced concrete cover, watering overlay film were conserved to 28 days
Aftershaping steel fiber reinforced concrete cover, its in-situ processing cumbersome, repair time length.
The content of the invention
It is an object of the invention to provide a kind of reparation structure of impaired bituminous paving and its gap casting glue restorative procedure, repair
Multiple damaged road surface gap velocity is fast, so that the close traffic time is greatly reduced.
The present invention above-mentioned technical purpose technical scheme is that：A kind of impaired bituminous paving is repaiied
Complex structure, including bituminous pavement top, being damaged on the bituminous pavement top has disconnected plate stitch gap, and the disconnected plate stitch gap both sides are paired
Multipair bar planting hole is provided with, the bar planting hole is distributed along the disconnected plate stitch gap bearing of trend, and is plugged vertically in the bar planting hole
There is reinforcing bar, joint filling groove is provided with the disconnected plate stitch gap, the joint filling groove is located between the bar planting hole of both sides, is provided with the joint filling groove
Cross section is the pitch repair piece of rectangle, the upper surface of the pitch repair piece covered with sealing film, the disconnected plate stitch gap with
Full phenolic aldehyde-nitrile rubber adhesive is filled between pitch repair piece.
By using above-mentioned technical proposal, when bituminous pavement top is impaired disconnected plate stitch gap occurs, in disconnected plate stitch gap both sides
Wear bar planting hole in pairs and plug reinforcing bar, the anchorage effect of its reinforcing bar improves the horizontal shear strength for repairing position and vertically resisted
Drawing ability, it can suppress or even prevent the extension of disconnected plate stitch gap, secondly open joint filling groove between the bar planting hole of both sides, solid-state will be molded
Pitch repair piece is directly squeezed at fluting and repaired, and then after the disconnected plate stitch gap of sealing, it is gluing to fill full phenolic aldehyde-nitrile rubber
Agent, the bituminous paving for making to lay again, which bonds, closely, is able to the quick road surface gap for repairing breakage, so that closing is greatly reduced
Traffic time, postpone the time of heavy resurfacing maintenance.
Further, the horizontal width of the joint filling groove is the Breadth Maximum of disconnected plate stitch gap, and the depth of the joint filling groove is small
In equal to disconnected plate gap depth.
By using above-mentioned technical proposal, strictly determined according to the practical measurement situation in the impaired gap of pavement behavior and scene
The technological parameters such as section width, depth and the depth-to-width ratio of joint filling groove.
Further, the width of the pitch repair piece is bigger 0.5-1.5mm than the horizontal width of joint filling groove, and its height etc.
In or more than joint filling groove depth.
By using above-mentioned technical proposal, on the basis of the setting of joint filling groove, prefabricated pitch repair piece width will be filled out greatly
The horizontal width 0.5-1.5mm of slot, its height will be equal to or more than the depth of joint filling groove, be embedded in satisfaction, extrude, be closely knit,
Cohesive effect.
Further, the pitch repair piece includes outermost pitch-coating layer, and edge is provided with the pitch-coating layer
The deformation cavity that pitch repair piece length direction is set, the deformation cavity is interior to be provided with the rubber strip closely abutted with its inwall.
, can be Nian Jie with the extruding of joint filling groove after the heating of outermost pitch-coating layer by using above-mentioned technical proposal, in it
The deformation cavity that portion is set, to increase the flexibility of pitch repair piece, and is placed in local hollow state in deformation cavity
Rubber strip can make pitch repair piece possess certain elasticity, be easy to be embedded in closely knit.
Further, the top of the reinforcing bar is not higher than the upper surface of the bituminous pavement top, the depth in the bar planting hole
For degree more than 1/3rd of the bituminous pavement top thickness, the reinforcing bar is adhesively fixed on the bar planting hole by building adhesive
In.
By using above-mentioned technical proposal, the depth in bar planting hole is limited, and reinforcing bar is adhesively fixed on bar planting with building adhesive
Kong Zhong, ensure that impaired bituminous pavement top repairs the globality of structure, improve bearing capacity.
Another technical purpose of the present invention is to provide the gap casting glue restorative procedure of impaired bituminous paving a kind of, including with
Lower step：
Step 1: choosing impaired bituminous pavement top, multipair bar planting hole, multipair bar planting hole are drilled with pairs in disconnected plate stitch gap both sides
Along disconnected plate stitch gap bearing of trend distribution, it is 30-50mm to control punching aperture, and punching depth is 45-50mm；
Step 2: being implanted into reinforcing bar vertically into bar planting hole and pouring into building adhesive capped, the top of reinforcing bar is not higher than bituminous paving
The upper surface of surface layer；
Step 3: after building adhesive solidifies under natural environment, moved towards along disconnected plate stitch gap, joint filling is opened in disconnected plate stitch gap
Groove；
Step 4: preparing pitch repair piece, the width that it is set is bigger 0.5-1.5mm than the horizontal width of joint filling groove, and height etc.
In or more than joint filling groove depth；
Step 5: carrying out cleaning treatment to disconnected plate stitch gap using powered brush and hair-dryer, sandy soil and rubble in disconnected plate stitch gap are cleared away,
Then bituminous pavement top is rinsed with sprinkling truck, after dust gravel is washed away totally, naturally dry；
Step 6: being heated with asphalt pavement heater to bituminous pavement top, secondly the pitch repair piece of preparation is extruded
It is pressed into joint filling groove so that pitch repair piece and bituminous pavement top are contour；
Step 7: covering sealing film in the upper surface of pitch repair piece, make sealing film that disconnected plate stitch gap be completely covered；
Step 8: air-inlet of vacuum pump side to be inserted into disconnected plate stitch gap one end after covering sealing film, start vavuum pump, open
Begin to be evacuated, phenolic aldehyde-nitrile rubber adhesive is slowly secondly injected into disconnected plate stitch gap, phenolic aldehyde-butyronitrile in the other end of disconnected plate stitch gap
Rubber based adhesives is flowed under pull of vacuum effect, and disconnected plate stitch gap and the space of pitch repair piece are filled up；
Step 9: being compacted with 11-13T dual-steel wheel road roller to bituminous pavement top, then treat that it stands solidification 20-
24h, you can complete the reparation to being damaged bituminous paving.
By using above-mentioned technical proposal, during reparation, bituminous pavement top is carried out with asphalt pavement heater
Heating, and extrude pitch repair piece and enter at fluting, while after joint filling rooved face covers sealing film, insert the air guide of vavuum pump
Pipe, so as to which pull of vacuum effect enables phenolic aldehyde-nitrile rubber adhesive to fill up between disconnected plate stitch gap and pitch repair piece
Space, the quality of distressed pavements reparation is ensure that, so as to extend the service life of road.
Further, the bar planting hole being distributed in pairs in step 1 is equally spaced and in pairs in the disconnected plate stitch gap both sides
The distance between the bar planting hole for 0.5-1 times of bituminous pavement top thickness.
By using above-mentioned technical proposal, further limit bar planting hole and be placed equidistant, and according to the thickness of bituminous pavement top
Degree control punching aperture and punching depth.
Further, asphalt pavement heater is 125-130 to the heating-up temperature that controls of bituminous pavement top in step 6
DEG C, and 25-30min is heated to bituminous paving softening.
By using above-mentioned technical proposal, heating-up temperature and the heat time of bituminous pavement top are precisely controlled, makes solid-state
There is preferable hot adhesion effect between the pitch repair piece and joint filling line of rabbet joint wall surface material of shaping.
Further, airway tube is installed in air-inlet of vacuum pump side in step 8, air guide pipe end is inserted into disconnected plate
The bottom in gap.
By using above-mentioned technical proposal, airway tube is inserted to disconnected plate stitch gap bottom, and then strengthens the suction effect of vavuum pump
Fruit, the bituminous pavement top for making to lay again bond close.
Further, it is using agitator that phenolic aldehyde-nitrile rubber adhesive mix is uniform in step 8, the stirring of agitator
Time control is within 60s and stirring is uniform to color.
By using above-mentioned technical proposal, agitator is compared to artificial stirring, and more efficient, mix is evenly.
In summary, the invention has the advantages that：
1st, by wearing bar planting hole in pairs in disconnected plate stitch gap both sides and plugging reinforcing bar, the horizontal shear for repairing position can be effectively improved
Ability and vertical tensile capacity, it can suppress or even prevent the extension of disconnected plate stitch gap；
2nd, by opening joint filling groove, shaping fix-bitumen repair piece is directly squeezed at fluting and repaired, its technique is simple, existing
Field processing is convenient and swift, improves the durability for repairing road surface；
3rd, by filling full phenolic aldehyde-nitrile rubber adhesive between plate stitch gap and pitch repair piece disconnected, the drip laid again is made
Blue or green road surface bonding is close, is further ensured that the repairing quality of disconnected plate stitch gap, is able to the quick road surface gap for repairing breakage.
Brief description of the drawings
Fig. 1 is the overall structure diagram of distressed pavements in the present invention；
Fig. 2 is that the schematic cross-sectional view that bituminous paving repairs structure is damaged in the present invention；
Fig. 3 is the schematic cross-sectional view of pitch repair piece in the present invention.
In figure, 1, roadbed；11st, basic unit；12nd, bituminous pavement top；2nd, disconnected plate stitch gap；21st, bar planting hole；22nd, reinforcing bar；23、
Joint filling groove；3rd, pitch repair piece；31st, pitch-coating layer；32nd, deformation cavity；33rd, rubber strip；4th, sealing film；5th, phenolic aldehyde-fourth
Nitrile rubber adhesive.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：
A kind of reparation structure of impaired bituminous paving, as shown in figure 1, including bituminous pavement top 12, its bottom, which has been provided with, holds
The roadbed 1 of load effect and basic unit 11, being damaged wherein on bituminous pavement top 12 has disconnected plate stitch gap 2.Therefore as shown in Fig. 2 disconnected
The both sides of plate stitch gap 2 have been arranged in pairs multipair bar planting hole 21, and bearing of trend distribution of the bar planting hole 21 along disconnected plate stitch gap 2, in bar planting
Reinforcing bar 22 is inserted with hole 21 vertically, the anchorage effect of its reinforcing bar 22 improves the horizontal shear strength for repairing position and vertically resisted
Drawing ability, it can suppress or even prevent the extension of disconnected plate stitch gap 2.Secondly joint filling groove 23, joint filling groove 23 are provided with disconnected plate stitch gap 2
Between both sides bar planting hole 21, according to the technological parameter prefabricated bituminous repair piece 3 of joint filling groove 23, so as to which pitch repair piece 3 be spread
It is located in disconnected plate stitch gap 2, then sealing effectiveness is played covered with sealing film 4 in the upper surface of pitch repair piece 3, after being easy to
Full phenolic aldehyde-nitrile rubber adhesive 5 is filled between disconnected plate stitch gap 2 and pitch repair piece 3, reaches the asphalt road for making to lay again
Face bonds close effect, is able to the quick disconnected plate stitch gap 23 for repairing breakage.
The section width of joint filling groove 23, depth are strictly determined according to the practical measurement situation in the impaired gap of pavement behavior and scene
The technological parameter such as degree and depth-to-width ratio, as shown in Fig. 2 the horizontal width of joint filling groove 23 is the Breadth Maximum of disconnected plate stitch gap 2, joint filling groove
23 depth is less than or equal to the disconnected depth of plate stitch gap 2；On the basis of the setting of joint filling groove 23, the width of pitch repair piece 3 compares joint filling
The big 0.5-1.5mm of horizontal width of groove 23, and its height is equal to or more than the depth of joint filling groove 23, to meet pitch repair piece 3
The effect be embedded in, extrude with joint filling groove 23, be closely knit, bonding.
To reach the effect of preferably integration laying, as shown in figure 3, the pitch repair piece 3 includes outermost drip
Blue or green clad 31, the deformation cavity 32 set along the length direction of pitch repair piece 3, deformation cavity 32 are provided with pitch-coating layer 31
Inside it is placed with the rubber strip 33 closely abutted with its inwall.Can be with joint filling groove 23 after being heated by outermost pitch-coating layer 31
Extruding bonding, its internal deformation cavity 32 set in local hollow state to increase the flexibility of pitch repair piece 3, and
Rubber strip 33 is placed in the deformation cavity 32 can make pitch repair piece 3 possess certain elasticity, be easy to be embedded in closely knit.
As shown in Fig. 2 the top of reinforcing bar 22 is not higher than the upper surface of bituminous pavement top 12, the depth in bar planting hole 21 is more than
/ 3rd of the thickness of bituminous pavement top 12, reinforcing bar 22 is adhesively fixed in the bar planting hole 21 by building adhesive, foot
To ensure that impaired bituminous pavement top 12 repairs the globality of structure.
Embodiment 2：
A kind of gap casting glue restorative procedure of impaired bituminous paving, comprises the following steps：
Step 1: choosing impaired bituminous pavement top 12, depth and width at disconnected plate stitch gap 2 and former ground surface material are integrated special
Property etc. technical parameter test measure, be secondly drilled with the bar planting hole 21 being equally spaced, multipair plant in pairs in the disconnected both sides of plate stitch gap 2
Muscle hole 21 is distributed along the disconnected bearing of trend of plate stitch gap 2, and the distance between paired bar planting hole 21 is 0.5-1 times of bituminous pavement top
12 thickness, and it is 30-50mm to control punching aperture, punching depth is 45-50mm；
Step 2: being implanted into reinforcing bar 22 vertically into bar planting hole 21 and pouring into building adhesive capped, the top of reinforcing bar 22 is not higher than drip
The upper surface of blue or green top course 12；
Step 3: determine the technological parameters such as section width, depth and the depth-to-width ratio of joint filling groove 23 in building adhesive under natural environment
After solidification, moved towards along disconnected plate stitch gap 2, joint filling groove 23 is opened in disconnected plate stitch gap 2, fluting otch requires accurate and specification, to the greatest extent
Amount avoids the slight peeling of otch periphery material；
Step 4: preparing pitch repair piece 3 on the basis of the technological parameter of joint filling groove 23, the width that it is set is than joint filling groove 23
The big 0.5-1.5mm of horizontal width, and height is equal to or more than the depth 1-2mm of joint filling groove 23；
Step 5: carry out cleaning treatment to disconnected plate stitch gap 2 using powered brush and hair-dryer, clear away in disconnected plate stitch gap 2 sandy soil with watt
Gravel, then bituminous pavement top 12 is rinsed with sprinkling truck, after dust gravel is washed away totally, naturally dry, ensures groove
Mouth cleaning is neat；
Step 6: being heated with asphalt pavement heater to bituminous pavement top 12, it is 125-130 DEG C to control heating-up temperature,
And heating 25-30min softens to bituminous paving, secondly extrudes the pitch repair piece 3 of preparation in press-in joint filling groove 23 so that drip
Blue or green repair piece 3 and bituminous pavement top 12 are contour；
Step 7: the upper surface of pitch repair piece 3 is adhesively fixed sealing film 4 after compaction, sealing film 4 is completely covered disconnected
Plate stitch gap 2；
Step 8: installing airway tube in air-inlet of vacuum pump side, air guide pipe end is inserted into disconnected after covering sealing film 4
The one end of plate stitch gap 2, start vavuum pump, start to be evacuated, the phenolic aldehyde-butyronitrile that secondly will be stirred in the other end of disconnected plate stitch gap 2
Rubber based adhesives 5 slowly injects disconnected plate stitch gap 2, and phenolic aldehyde-nitrile rubber adhesive 5 flows under pull of vacuum effect, by disconnected plate
Gap 2 and the space of pitch repair piece 3 are filled up；
Step 9: being compacted with 11-13T dual-steel wheel road roller to bituminous pavement top 12, then treat that it stands solidification 20-
24h, you can complete the reparation to being damaged bituminous paving.
The inventive method, during reparation, bituminous pavement top 12 is heated with asphalt pavement heater, and squeezes
Pressure pitch repair piece 3 enters at fluting, while after the surface of joint filling groove 23 covering sealing film 4, inserts the airway tube of vavuum pump, from
And pull of vacuum effect enables the sky that phenolic aldehyde-nitrile rubber adhesive 5 is filled up between disconnected plate stitch gap 2 and pitch repair piece 3
Gap, environmental protection, low-carbon energy-saving effect are reached, the overall adhesive property of slotted wall compares biography at disconnected plate stitch gap 2 after construction repairing
System notch and fill slot construction technology can obtain larger raising, therefore the also different degrees of durability for improving reparation road surface, can have
The attenuating maintenance costs of effect, shorten the construction period, ensure to resolve the quality of the reparation of plate stitch gap 2, so as to extend the road occupation longevity
Life, the time of road surface medium-capital overhauling maintenance is postponed.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (10)
1. a kind of reparation structure of impaired bituminous paving, including bituminous pavement top（12）, the bituminous pavement top（12）On
It is impaired to have disconnected plate stitch gap（2）, the disconnected plate stitch gap（2）Both sides have been arranged in pairs multipair bar planting hole（21）, the bar planting hole（21）
Along the disconnected plate stitch gap（2）Bearing of trend is distributed, and the bar planting hole（21）It is interior to be inserted with reinforcing bar vertically（22）, its feature exists
In：The disconnected plate stitch gap（2）On be provided with joint filling groove（23）, the joint filling groove（23）Positioned at both sides bar planting hole（21）Between, it is described
Joint filling groove（23）The interior pitch repair piece provided with cross section for rectangle（3）, the pitch repair piece（3）Upper surface covered with close
Sealing film（4）, the disconnected plate stitch gap（2）With pitch repair piece（3）Between fill full phenolic aldehyde-nitrile rubber adhesive（5）.
A kind of 2. reparation structure of impaired bituminous paving according to claim 1, it is characterised in that：The joint filling groove（23）
Horizontal width be disconnected plate stitch gap（2）Breadth Maximum, the joint filling groove（23）Depth be less than or equal to disconnected plate stitch gap（2）It is deep
Degree.
A kind of 3. reparation structure of impaired bituminous paving according to claim 2, it is characterised in that：The pitch repair piece
（3）Width than joint filling groove（23）The big 0.5-1.5mm of horizontal width, and its height is equal to or more than joint filling groove（23）Depth
Degree.
A kind of 4. reparation structure of impaired bituminous paving according to claim 3, it is characterised in that：The pitch repair piece
（3）Including outermost pitch-coating layer（31）, the pitch-coating layer（31）Inside it is provided with along pitch repair piece（3）Length direction
The deformation cavity of setting（32）, the deformation cavity（32）It is interior provided with the rubber strip closely abutted with its inwall（33）.
A kind of 5. reparation structure of impaired bituminous paving according to claim 4, it is characterised in that：The reinforcing bar（22）'s
Top is not higher than the bituminous pavement top（12）Upper surface, the bar planting hole（21）Depth be more than the bituminous paving face
Layer（12）/ 3rd of thickness, the reinforcing bar（22）The bar planting hole is adhesively fixed on by building adhesive（21）In.
6. the gap casting glue restorative procedure of a kind of impaired bituminous paving, it is characterised in that comprise the following steps：
Step 1: choose impaired bituminous pavement top（12）, in disconnected plate stitch gap（2）Both sides are drilled with multipair bar planting hole in pairs
（21）, multipair bar planting hole（21）Along disconnected plate stitch gap（2）Bearing of trend is distributed, and it is 30-50mm to control punching aperture, and punching depth is
45-50mm；
Step 2: to bar planting hole（21）Interior vertical implantation reinforcing bar（22）And pour into building adhesive capped, reinforcing bar（22）Top not
Higher than bituminous pavement top（12）Upper surface；
Step 3: after building adhesive solidifies under natural environment, along disconnected plate stitch gap（2）Trend, in disconnected plate stitch gap（2）It is upper open-minded
Joint filling groove（23）；
Step 4: prepare pitch repair piece（3）, the width that it is set is than joint filling groove（23）The big 0.5-1.5mm of horizontal width, and
Highly it is equal to or more than joint filling groove（23）Depth；
Step 5: using powered brush and hair-dryer to plate stitch gap of breaking（2）Cleaning treatment is carried out, clears away disconnected plate stitch gap（2）Middle sandy soil
With rubble, then with sprinkling truck to bituminous pavement top（12）It is rinsed, after dust gravel is washed away totally, naturally dry；
Step 6: with asphalt pavement heater to bituminous pavement top（12）Heated, secondly by the pitch repair piece of preparation
（3）Extruding press-in joint filling groove（23）In so that pitch repair piece（3）With bituminous pavement top（12）It is contour；
Step 7: in pitch repair piece（3）Upper surface covering sealing film（4）, make sealing film（4）Disconnected plate stitch is completely covered
Gap（2）；
Step 8: air-inlet of vacuum pump side is inserted into covering sealing film（4）Disconnected plate stitch gap afterwards（2）One end, start true
Empty pump, start to be evacuated, secondly in disconnected plate stitch gap（2）The other end by phenolic aldehyde-nitrile rubber adhesive（5）Slowly inject disconnected plate stitch
Gap（2）, phenolic aldehyde-nitrile rubber adhesive（5）Flowed under pull of vacuum effect, by disconnected plate stitch gap（2）With pitch repair piece（3）
Space fill up；
Step 9: with 11-13T dual-steel wheel road roller to bituminous pavement top（12）It is compacted, then treats that it stands solidification
20-24h, you can complete the reparation to being damaged bituminous paving.
7. the gap casting glue restorative procedure of impaired bituminous paving according to claim 6, it is characterised in that：In step 1
The bar planting hole being distributed in pairs（21）In the disconnected plate stitch gap（2）Both sides are equally spaced and the paired bar planting hole（21）It
Between distance be 0.5-1 times of bituminous pavement top（12）Thickness.
8. the gap casting glue restorative procedure of impaired bituminous paving according to claim 6, it is characterised in that：In step 6
Asphalt pavement heater is to bituminous pavement top（12）Control heating-up temperature be 125-130 DEG C, and heat 25-30min to drip
Blue or green road surface softening.
9. the gap casting glue restorative procedure of impaired bituminous paving according to claim 6, it is characterised in that：In step 8
Airway tube is installed in air-inlet of vacuum pump side, air guide pipe end is inserted into disconnected plate stitch gap（2）Bottom.
10. the gap casting glue restorative procedure of impaired bituminous paving according to claim 6, it is characterised in that：Step 8
It is middle to use agitator by phenolic aldehyde-nitrile rubber adhesive（5）Mix is uniform, the mixing time of agitator control within 60s and
Stirring is uniform to color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954766.7A CN107604801B (en) | 2017-10-13 | 2017-10-13 | A kind of the reparation structure and its gap casting glue restorative procedure of impaired bituminous pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954766.7A CN107604801B (en) | 2017-10-13 | 2017-10-13 | A kind of the reparation structure and its gap casting glue restorative procedure of impaired bituminous pavement |
Publications (2)
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| CN108755334A (en) * | 2018-06-11 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | A kind of method that concrete road planar defect is quickly repaired |
| CN109778653A (en) * | 2018-12-30 | 2019-05-21 | 广东华工大建筑工程有限公司 | A kind of concrete structure crack method for repairing and mending |
| CN111719397A (en) * | 2020-06-22 | 2020-09-29 | 宏腾建设集团有限公司 | Asphalt pavement pit repairing construction method |
| CN111945497A (en) * | 2020-06-22 | 2020-11-17 | 中南大学 | Concrete structure pore filling operation device and method |
| CN113481801A (en) * | 2021-05-21 | 2021-10-08 | 浙江中桓建设有限公司 | Construction method for seamless expansion joint of pavement |
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| CN107604801B (en) | 2019-09-06 |
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