CN203923847U - A kind of cement concrete pavement faulting of slab ends repair system - Google Patents
A kind of cement concrete pavement faulting of slab ends repair system Download PDFInfo
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- CN203923847U CN203923847U CN201420263305.7U CN201420263305U CN203923847U CN 203923847 U CN203923847 U CN 203923847U CN 201420263305 U CN201420263305 U CN 201420263305U CN 203923847 U CN203923847 U CN 203923847U
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Abstract
The utility model belongs to pavement preservation technical field, specifically, relates to a kind of cement concrete pavement faulting of slab ends repair system.It comprises faulting of slab ends sinking plate, faulting of slab ends adjacent panel, adhesive phase, repair materials layer, caulking material layer; Described faulting of slab ends sinking plate is being provided with filling slot near faulting of slab ends adjacent panel place; Described repair materials layer is positioned at filling slot and top thereof; Described adhesive phase is positioned on the contact surface of repair materials layer and filling slot; Described caulking material layer is seam crossing between faulting of slab ends sinking plate and faulting of slab ends adjacent panel.Compared with prior art, cement concrete pavement faulting of slab ends repair system described in the utility model has excellent adhesion strength, rupture strength and impact strength, the faulting of slab ends disease that can effectively improve cement concrete pavement, improves its service function, extends its application life.
Description
Technical field
The utility model belongs to pavement preservation technical field, specifically, relates to a kind of cement concrete pavement faulting of slab ends repair system.
Background technology
Faulting of slab ends is the vertical discrepancy in elevation of seam or place, crack adjacent panels, if be one of Common Diseases of cement concrete pavement. repair not in time, not only greatly reduce comfortableness, the safety of driving, and along with the repeated stock effect of wheel load power, the cracking of whole road slab will be caused, even occur crackedly, and then affect the conevying efficiency of highway, cause huge economic loss and bad social influence.
Cement concrete pavement faulting of slab ends Treatment Methods is not also very ripe at present, in the < < highway cement concrete pavement maintenance technology standard > > of Ministry of Communications's issue, to the punishment of faulting of slab ends, be to take different modes according to faulting of slab ends height, for the faulting of slab ends of discrepancy in elevation <12mm, adopt the method that polishes; For the faulting of slab ends of discrepancy in elevation >12mm, adopt sand asphalt reparation.But these two kinds of modes respectively have its deficiency: polish method, remediation efficiency is low, very easily cause the microcrack of processing under panel, reduce slab strength; Sand asphalt is repaired, and color is inharmonious, affects attractive in appearancely, easily to driver, causes the collimation error.In engineering reality, also have the epoxy mortar of employing or cement mortar reparation, epoxy mortar Repair strength is high, and bond performance is good, but construction process requirement is high, and cost is high, less economical; Cement mortar rupture strength is low, shrinks greatlyr, very easily occurs shrinkage crack, and application life is short, and repairs thickness thicker (at least more than 20mm), and curing time is long, and the open to traffic time is long.Repair materials filling slot cross section is generally rectangle in addition, and filling thickness at least more than 20mm, is filled required repair materials large usage quantity, and economy is poor.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides the cement concrete pavement faulting of slab ends that a kind of technique is simple, cost performance is high repair system.This system has excellent adhesion strength, rupture strength and impact strength, can effectively improve the faulting of slab ends disease of cement concrete pavement, improves its service function, extends its application life.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, described system comprises faulting of slab ends sinking plate 1, faulting of slab ends adjacent panel 2, adhesive phase 3, repair materials layer 5, caulking material layer 6; Described faulting of slab ends sinking plate 1 is being provided with filling slot 4 near faulting of slab ends adjacent panel 2 places; Described repair materials layer 5 is positioned at filling slot 4 and top thereof; Described adhesive phase 3 is positioned on the contact surface of repair materials layer 5 and filling slot 4; Described caulking material layer 6 is seam crossing between faulting of slab ends sinking plate 1 and faulting of slab ends adjacent panel 2.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, the cross section of described filling slot 4 is right-angled triangle.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, the long right-angle side of described right-angled triangle is that road level cuts face, the short right-angle side of right-angled triangle is filling slot 4 sidewalls.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, the hypotenuse of described right-angled triangle is the domatic of filling slot 4 bottoms, its near faulting of slab ends adjacent panel 2 ends higher than faulting of slab ends sinking plate 1 end.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, the length that described level road cuts face be filling slot 4 sidewall height divided by the gradient, filling slot 4 sidewall height are 20-30mm, the gradient is 1%-2%.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, described adhesive phase 3 is epoxyn coating, coating coverage scale is 3.0-4.0 square meter/rise epoxyn.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, described filling slot 4 is round and smooth camber line through having repaired cross section, back upper place.
A kind of cement concrete pavement faulting of slab ends repair system described in the utility model, the repair materials that described repair materials layer is used is epoxy emulsion modified mortar; Described epoxy emulsion modified mortar is comprised of A, B, C tri-components and external adding water, and wherein A component is comprised of the active Xi Shi Ji ﹑ flexibilizer of liquid Huan oxygen tree Zhi ﹑ epoxy and defoamer; B component is comprised of self-emulsifying type water-base epoxy Guization Ji ﹑ curing accelerator and coupling agent; C component is comprised of rapid setting cement, the high ridge of the Shi Ying sand ﹑Pian soil ﹑ sulphur acid calcium early strong agent ﹑ retarding agent of brilliant palpus ﹑ and water reducing agent, and between each component, mass ratio is A component: B component: external adding water: C component=1:(1.5-2): (1.0-6): (10-40); The preparation technology of described epoxy emulsion modified mortar is: first A component and B component are uniformly mixed until form uniform milky emulsion, then add external adding water, stir, finally add C component, stir and obtain epoxy emulsion modified mortar.
Repair materials of the present utility model has following characteristics:
(1) epoxy emulsion performance is controlled.Adopt variety classes, the modifier of different addition quantity carries out modification to epoxy emulsion system, and different formulas forms mechanical property and the processing performance of giving epoxy emulsion excellence.Epoxy active diluent gives epoxy resin suitable viscosity, is convenient to that it is emulsified; Flexibilizer is given the toughness of epoxy resin cured product excellence, improves its shock resistance and cracking resistance; Curing accelerator improves the solidification rate of epoxy resin, improves its solidfied material early strength; Bonding force between coupling agent reinforced epoxy and adherend, the durability of raising epoxy resin cured product; Defoamer improves the surface tension of epoxy emulsion, removes the bubble that epoxy emulsion produces in whipping process, improves mechanical property and the anti-permeability performance of hardened paste.
(2) curing rate of epoxy emulsion is controlled within the specific limits, and the compliance of aluminium sulfate high-early (strength) cement is better, can improve quickly the early strength of repairing mortar.
(3) in cement matrix, adopt the two technology of mixing of retarding agent and early strength admixture, can adjust preferably time of setting and the premature cure time of repairing mortar, compare with the repairing mortar that only mixes early strength admixture, construction operable time of the present invention extends, and can also guarantee that the early strength of mortar in 4 hours increases still very fast simultaneously.Meanwhile, adopt metakaolin as intensity accelerator, further promoted the development of system early strength.
(4) adopt calcium sulfate crystal whiskers as inorfil reinforcing material, this material be shape be similar to short fiber and size much smaller than short fiber must shape monocrystal, its diameter is minimum, draw ratio is very big, the atomic arrangement structure with high-sequential, almost there is no the defect in common megacryst, there is extremely good physicochemical properties and excellent mechanical performance.Compare with the organic short fiber of common application, the compatibility of calcium sulfate crystal whiskers and various inorganic fillers is better, dispersed better, substantially there is not dispersed problem, substantially do not affect the service behaviour of mortar, in mortar, form a kind of state of even random distribution, structural stress is disperseed, produce secondary stiffening effect, thereby effectively improve anti-resistance to spalling ﹑ compressive strength and the rupture strength of mortar.
(5) adopt organic and inorganic plural gel system, make repairing mortar have the advantage of organic material and inorganic material concurrently.After epoxy emulsion mixes in cement matrix, be accompanied by the quickening of hydrated cementitious process, in system, water content reduces rapidly, epoxy emulsion solidification rate is accelerated, epoxy resin cured product forms continuous membrane structure in repairing mortar, and fill the pore of mortar inside, with inorganic material tight bond, thereby form organic-inorganic compounding mortar.By means of Ren ﹑ adhesion stress and the sealing of epoxy resin, the Kang of composite mortar folding Qiang Du ﹑ breaking resistance and adhesion strength significantly improve, and the durability such as the anti-ion permeability of Fang Shui ﹑ Kang Dong ﹑ of composite mortar also improve greatly simultaneously.
The utility model compared with prior art tool has the following advantages:
1. the open to traffic time is short.Repair materials early strength rapid development in faulting of slab ends repair structure, early strength is high, within 4 hours, gets final product open to traffic, and 4H compressive strength is greater than 25MPa, and 4H rupture strength is greater than 3.5MPa, later strength stable development;
2. structural stability and good endurance.In faulting of slab ends repair structure, repair materials has excellent fracture resistance and shock resistance, high with filling slot adhesion strength, overall structure stability and the good endurance of formation;
3. long service life.Cross section, road surface after faulting of slab ends reparation is round and smooth camber line design, compare with traditional straight line domatic design, can weaken wheel load to the pressure of redeck and impact force, improve integrally-built compressive property, fracture resistance and shock resistance, the application life of prolongation faulting of slab ends repair structure;
4. cost performance is high, good economy performance.In faulting of slab ends repair structure, repair materials adopts epoxy emulsion modified mortar, compare with ordinary mortar, its superior performance many, and cost increase is seldom; Compare with epoxy mortar, its performance slightly a little less than, but cost is remarkable, therefore compare with existing repair materials, its cost performance is high, good economy performance.
Accompanying drawing explanation
Fig. 1: cement concrete pavement faulting of slab ends repair system schematic diagram; Faulting of slab ends sinking plate 1, faulting of slab ends adjacent panel 2, adhesive phase 3, filling slot 4, repair materials layer 5, caulking material layer 6.
The specific embodiment
Below in conjunction with specific embodiment, cement concrete pavement faulting of slab ends repair system described in the utility model is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1:
The cement concrete pavement faulting of slab ends repair system of the utility model design comprises faulting of slab ends sinking plate 1, faulting of slab ends adjacent panel 2, adhesive phase 3, repair materials layer 5, caulking material layer 6; Described faulting of slab ends sinking plate 1 is being provided with filling slot 4 near faulting of slab ends adjacent panel 2 places; Described repair materials layer 5 is positioned at filling slot 4 and top thereof; Described adhesive phase 3 is positioned on the contact surface of repair materials layer 5 and filling slot 4; Described caulking material layer 6 is seam crossing between faulting of slab ends sinking plate 1 and faulting of slab ends adjacent panel 2.The cross section of described filling slot 4 is right-angled triangle; The long right-angle side of described right-angled triangle is that road level cuts face, and the short right-angle side of right-angled triangle is filling slot 4 sidewalls; The hypotenuse of described right-angled triangle is the domatic of filling slot 4 bottoms, its near faulting of slab ends adjacent panel 2 ends higher than faulting of slab ends sinking plate 1 end; The length that described level road cuts face be filling slot 4 sidewall height divided by the gradient, filling slot 4 sidewall height are 20mm, the gradient is 1%; Described adhesive phase 3 is epoxyn coating, and coating coverage scale is 3.0 square meters/rise epoxyns; Described filling slot 4 is round and smooth camber line through having repaired cross section, back upper place.Faulting of slab ends is repaired and within latter 4 hours, is got final product open to traffic.
The repair materials that described repair materials layer is used is epoxy emulsion modified mortar; Described epoxy emulsion modified mortar is comprised of A, B, C tri-components and external adding water, its preparation method comprises: the 1) preparation of A component: by 0.1 part of the silicone based defoamer of epoxy resin E-44 100 Fen ﹑ acrylic glycidol ether 10 Fen ﹑ strange scholar's flexibilizer QS-BE15 Fen ﹑, add successively in reactor, stir and within 5-10 minute, obtain A component, packing and storing; 2) preparation of B component: self-emulsifying aqueous epoxy hardener GCA01100 part (active constituent content: 50wt% that upper sea green good water paint Co., Ltd is produced, all the other compositions are water) ﹑ DMP-305 Fen ﹑ coupling agent KH-5501 part, add successively in reactor, stir and within 3-5 minute, obtain B component, packing and storing; 3) preparation of C component: by quick hardening sulphoaluminate cement 100 Fen ﹑ 40-70 order quartz sands and 20-40 order quartz sand in mass ratio for the average diameter that mixture 200 Fen ﹑ metakaolin 20 bright East Africa, Fen ﹑ Luoyang metal material Science and Technology Development Co., Ltd.s of 4:1 produce is 1-8 μ m, average length is 0.2 part of the calcium sulfate crystal whiskers 15 Fen ﹑ mass ratioes of the 50-200 μ m aluminum sulfate that is 1:1 and calcirm-fluoride mixture 0.3 Fen ﹑ boric acid 0.2 Fen ﹑ polycarboxylate high-efficiency water reducing agent, add successively in reactor, stir and within 3-5 minute, obtain C component, packing and storing; 4) preparation of epoxy emulsion modified mortar: between above-mentioned each component, mass ratio is A component: B component: external adding water: C component=1:2:1.15:18, concrete technology is: first A component and B component are stirred to 3-5 minute, until form uniform milky emulsion, then add external adding water, stir, finally add C component, mix and stir and within 3-5 minute, obtain epoxy emulsion modified mortar.In whole system, water/binder ratio is 0.40, and the water in water/binder ratio comprises the moisture and external adding water of curing compound.The quality of external adding water is converted and is obtained by moisture content and the water/binder ratio of curing compound.Umber described above is mass parts.
Embodiment 2:
The cement concrete pavement faulting of slab ends repair system of the utility model design comprises faulting of slab ends sinking plate 1, faulting of slab ends adjacent panel 2, adhesive phase 3, repair materials layer 5, caulking material layer 6; Described faulting of slab ends sinking plate 1 is being provided with filling slot 4 near faulting of slab ends adjacent panel 2 places; Described repair materials layer 5 is positioned at filling slot 4 and top thereof; Described adhesive phase 3 is positioned on the contact surface of repair materials layer 5 and filling slot 4; Described caulking material layer 6 is seam crossing between faulting of slab ends sinking plate 1 and faulting of slab ends adjacent panel 2.The cross section of described filling slot 4 is right-angled triangle; The long right-angle side of described right-angled triangle is that road level cuts face, and the short right-angle side of right-angled triangle is filling slot 4 sidewalls; The hypotenuse of described right-angled triangle is the domatic of filling slot 4 bottoms, its near faulting of slab ends adjacent panel 2 ends higher than faulting of slab ends sinking plate 1 end; The length that described level road cuts face be filling slot 4 sidewall height divided by the gradient, filling slot 4 sidewall height are 25mm, the gradient is 1.5%; Described adhesive phase 3 is epoxyn coating, and coating coverage scale is 3.5 square meters/rise epoxyns; Described filling slot 4 is round and smooth camber line through having repaired cross section, back upper place.Faulting of slab ends is repaired and within latter 4 hours, is got final product open to traffic.
The repair materials that described repair materials layer is used is epoxy emulsion modified mortar; Described epoxy emulsion modified mortar is comprised of A, B, C tri-components and external adding water, its preparation method comprises: the 1) preparation of A component: by 0.1 part of the silicone based defoamer of the strange scholar's flexibilizer of epoxy resin E-51100 Fen ﹑ acrylic glycidol ether 5 Fen ﹑ QS-BE15 Fen ﹑, add successively in reactor, stir and within 5-10 minute, obtain A component, packing and storing; 2) preparation of B component: self-emulsifying aqueous epoxy hardener GCA01100 part ﹑ DMP-305 part ﹑ coupling agent KH-5501 part that upper sea green good water paint Co., Ltd is produced, add successively in reactor, stir and within 3-5 minute, obtain B component, packing and storing; 3) preparation of C component: by quick hardening sulphoaluminate cement 100 Fen ﹑ 40-70 order quartz sands and 20-40 order quartz sand in mass ratio for 0.2 part of the mixture 200 Fen ﹑ metakaolin 20 Fen ﹑ calcium sulfate crystal whiskers 15 Fen ﹑ mass ratioes of the 4:1 aluminum sulfate that is 1:1 and calcirm-fluoride mixture 0.35 Fen ﹑ boric acid 0.2 Fen ﹑ polycarboxylate high-efficiency water reducing agent adds in reactor successively, stir and within 3-5 minute, obtain C component, packing and storing; 4) preparation of epoxy emulsion modified concrete bridge rapid-patching motar: between above-mentioned each component, mass ratio is A component: B component: external adding water: C component=1:2:1.15:18, concrete technology is: first A component and B component are stirred to 3-5 minute, until form uniform milky emulsion, then add external adding water, stir, finally add C component, mix and stir and within 3-5 minute, obtain epoxy emulsion modified mortar.In whole system, water/binder ratio is 0.40, and the water in water/binder ratio comprises the moisture and external adding water of curing compound.The quality of external adding water is converted and is obtained by moisture content and the water/binder ratio of curing compound.Umber described above is mass parts.
Embodiment 3:
The cement concrete pavement faulting of slab ends repair system of the utility model design comprises faulting of slab ends sinking plate 1, faulting of slab ends adjacent panel 2, adhesive phase 3, repair materials layer 5, caulking material layer 6; Described faulting of slab ends sinking plate 1 is being provided with filling slot 4 near faulting of slab ends adjacent panel 2 places; Described repair materials layer 5 is positioned at filling slot 4 and top thereof; Described adhesive phase 3 is positioned on the contact surface of repair materials layer 5 and filling slot 4; Described caulking material layer 6 is seam crossing between faulting of slab ends sinking plate 1 and faulting of slab ends adjacent panel 2.The cross section of described filling slot 4 is right-angled triangle; The long right-angle side of described right-angled triangle is that road level cuts face, and the short right-angle side of right-angled triangle is filling slot 4 sidewalls; The hypotenuse of described right-angled triangle is the domatic of filling slot 4 bottoms, its near faulting of slab ends adjacent panel 2 ends higher than faulting of slab ends sinking plate 1 end; The length that described level road cuts face be filling slot 4 sidewall height divided by the gradient, filling slot 4 sidewall height are 30mm, the gradient is 2%; Described adhesive phase 3 is epoxyn coating, and coating coverage scale is 4.0 square meters/rise epoxyns; Described filling slot 4 is round and smooth camber line through having repaired cross section, back upper place.Faulting of slab ends is repaired and within latter 4 hours, is got final product open to traffic.
The repair materials that described repair materials layer is used is epoxy emulsion modified mortar; Described epoxy emulsion modified mortar is comprised of A, B, C tri-components and external adding water, its preparation method comprises: the 1) preparation of A component: by 0.1 part of the silicone based defoamer of the strange scholar's flexibilizer of epoxy resin NPEF170100 Fen ﹑ QS-BE15 Fen ﹑, add successively in reactor, stir and within 5-10 minute, obtain A component, packing and storing; 2) preparation of B component: self-emulsifying aqueous epoxy hardener GCA01100 part ﹑ DMP-305 part ﹑ coupling agent KH-5501 part that upper sea green good water paint Co., Ltd is produced, add successively in reactor, stir and within 3-5 minute, obtain B component, packing and storing; 3) preparation of C component: be 0.2 part of the mixture 200 Fen ﹑ metakaolin 20 Fen ﹑ calcium sulfate crystal whiskers 15 Fen ﹑ mass ratioes of the 4:1 aluminum sulfate that is 1:1 and calcirm-fluoride mixture 0.35 Fen ﹑ boric acid 0.2 Fen ﹑ polycarboxylate high-efficiency water reducing agent in mass ratio by quick hardening sulphoaluminate cement 100 Fen ﹑ 40-70 order quartz sands and 20-40 order quartz sand, add successively in reactor, stir and within 3-5 minute, obtain C component, packing and storing; 4) preparation of epoxy emulsion modified concrete bridge rapid-patching motar: between above-mentioned each component, mass ratio is A component: B component: external adding water: C component=1:2:1.15:18, concrete technology is: first A component and B component are stirred to 3-5 minute, until form uniform milky emulsion, then add external adding water, stir, finally add C component, mix and stir and within 3-5 minute, obtain epoxy emulsion modified concrete bridge rapid-patching motar.In whole system, water/binder ratio is 0.40, and the water in water/binder ratio comprises the moisture and external adding water of curing compound.The quality of external adding water is converted and is obtained by moisture content and the water/binder ratio of curing compound.Umber described above is mass parts.
In the C component of embodiment 1-3, the preparation process of metakaolin is as follows: by kaolin powder, the temperature lower calcination of 800-900 ℃ 5 hours, putting into subsequently ball mill grinding to specific area was 11000-13000m2/kg, obtains metakaolin.
The epoxy emulsion modified mortar the performance test results that embodiment 1-3 makes is as follows:
Claims (7)
1. a cement concrete pavement faulting of slab ends repair system, is characterized in that described system comprises faulting of slab ends sinking plate (1), faulting of slab ends adjacent panel (2), adhesive phase (3), repair materials layer (5), caulking material layer (6); Described faulting of slab ends sinking plate (1) is locating to be provided with filling slot (4) near faulting of slab ends adjacent panel (2); Described repair materials layer (5) is positioned at filling slot (4) and top thereof; Described adhesive phase (3) is positioned on the contact surface of repair materials layer (5) and filling slot (4); Described caulking material layer (6) is positioned at seam crossing between faulting of slab ends sinking plate (1) and faulting of slab ends adjacent panel (2).
2. a kind of cement concrete pavement faulting of slab ends repair system according to claim 1, is characterized in that, the cross section of described filling slot (4) is right-angled triangle.
3. a kind of cement concrete pavement faulting of slab ends repair system according to claim 2, is characterized in that, the long right-angle side of described right-angled triangle is that road level cuts face, and the short right-angle side of right-angled triangle is filling slot (4) sidewall.
4. a kind of cement concrete pavement faulting of slab ends repair system according to claim 2, it is characterized in that, the hypotenuse of described right-angled triangle is the domatic of filling slot (4) bottom, and it is held higher than faulting of slab ends sinking plate (1) near faulting of slab ends adjacent panel (2) end.
5. a kind of cement concrete pavement faulting of slab ends repair system according to claim 3, it is characterized in that, the length that described level road cuts face be filling slot (4) sidewall height divided by the gradient, filling slot (4) sidewall height is 20-30mm, the gradient is 1%-2%.
6. a kind of cement concrete pavement faulting of slab ends repair system according to claim 1, is characterized in that, described adhesive phase (3) is epoxyn coating, and coating coverage scale is 3.0-4.0 square meter/rise epoxyn.
7. a kind of cement concrete pavement faulting of slab ends repair system according to claim 1, is characterized in that, described filling slot (4) is round and smooth camber line through having repaired cross section, back upper place.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735205A (en) * | 2016-03-04 | 2016-07-06 | 中国电建集团华东勘测设计研究院有限公司 | Horizontal construction joint dislocation repairing method for concrete panel |
| CN114075807A (en) * | 2020-08-21 | 2022-02-22 | 林晓威 | Novel cement pavement slab staggering repairing method |
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2014
- 2014-05-20 CN CN201420263305.7U patent/CN203923847U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735205A (en) * | 2016-03-04 | 2016-07-06 | 中国电建集团华东勘测设计研究院有限公司 | Horizontal construction joint dislocation repairing method for concrete panel |
| CN114075807A (en) * | 2020-08-21 | 2022-02-22 | 林晓威 | Novel cement pavement slab staggering repairing method |
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Granted publication date: 20141105 Termination date: 20190520 |