CN201089876Y - Waterproof table for preventing cement concrete pavement and deck plate juncture from trickleing water - Google Patents
Waterproof table for preventing cement concrete pavement and deck plate juncture from trickleing water Download PDFInfo
- Publication number
- CN201089876Y CN201089876Y CNU2007201045753U CN200720104575U CN201089876Y CN 201089876 Y CN201089876 Y CN 201089876Y CN U2007201045753 U CNU2007201045753 U CN U2007201045753U CN 200720104575 U CN200720104575 U CN 200720104575U CN 201089876 Y CN201089876 Y CN 201089876Y
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- China
- Prior art keywords
- road surface
- flashing
- bridge
- cement concrete
- bridge floor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004568 cement Substances 0.000 title claims abstract description 71
- 239000004567 concrete Substances 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims abstract description 3
- 239000005060 rubber Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 16
- 239000002352 surface water Substances 0.000 description 16
- 238000005452 bending Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000002910 structure generation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a flashing for preventing water on the seam surface of cement concrete road surface and bridge surface plates from leaking into the inner structures of the road surface and bridge surface and belongs to the road-bridge engineering technology field. The utility model is a planar elastic strip which flexes, twists and deforms under the effect of outside force or a metal sheet with a corrugated structure in the middle; one side or two sides of the flashing can be provided with an inward or downward hook structure. When the flashing is used for preventing water on the seam of the cement concrete road surface and bridge surface, the flashing can be cast, stuck or arranged on the seam of the cement concrete road surface and bridge surface,and is suitable for the deformation and movement of plates and blocks of the road surface and bridge surface and prevents water from leaking into the structures of the road surface and bridge surface. The utility model has the advantages of simple structure, convenient construction, improving the waterproof effect of the road surface and bridge surface, prolonging the service lifetime of the road surface and bridge surface, improving the service performance of the road surface and bridge surface, increasing the normal traffic time of the road surface and bridge surface, and reducing the construction and maintenance cost of the road surface and bridge surface.
Description
Technical field:
The utility model relates to and a kind ofly is used to prevent that cement concrete pavement, bridge floor plate seam crossing surface water seepage from entering the flashing of road surface, bridge floor internal construction, belongs to the road and bridge engineering technical field.
Technical background
In existing cement concrete pavement, the bridge floor, under effects such as temperature, weather, produce stress, cause stretching, torsional deflection, therefore just the shrinkage joint must be set for fear of the cement concrete plate; Perhaps owing to can not construct continuously, and produce constuction joint.Because the existence of shrinkage joint or constuction joint in cement concrete pavement, the bridge floor plate, when road surface, bridge floor have rainwater to exist or flow, rainwater will be from the road surface, seam seepage to road surface, bridge deck structure of bridge floor plate, causes in road surface, the bridge deck structure ponding or road surface, bridge deck structure water content to increase.
Because ponding or water content increase in the road surface, bridge deck structure, the intensity of the surface layer, basic unit, subbase, bed course etc. of road surface, bridge deck structure is descended; On the other hand, under the sound load action of vehicle, make ponding or percolating water in road surface, the bridge deck structure produce flowing pressure, destructions such as road pavement, bridge deck structure generation are washed away, scour.Under the effect of intensity decline and sound water pressure, cause road surface, bridge floor and under basic unit, the destruction of bed course, under the effect of flowing pressure, the basic unit, the course that destroy wash away, scour takes away, make and lose support under the panel, cause panel unsettled, under the effect of vehicular load, panel produces destructions such as cracking, fracture.Therefore, the destruction of cement concrete pavement, bridge floor is developed to other position of plate gradually mostly from the plate seam crossing.Cause cement concrete pavement, bridge floor weak point in application life, stationarity, the comfortableness of driving are poor, the speed and the safety of influence driving.Though this also is that cement concrete pavement, bridge floor are more cheap than flexible pavement, bridge floor, and that cement concrete pavement, bridge floor are used is fewer and feweri, and asphalt concrete pavement, bridge floor are used one of increasing reason.
In order to prevent cement concrete pavement, the percolating water road pavement of bridge floor plate seam, the destruction of bridge floor, generally is now the seam that adopts asphalt seal road surface, bridge floor plate, perhaps on the road surface, the adverse effect that produces of the seam crossing of the bridge floor plate percolating water that adopts the method for stiffener to tackle cement concrete pavement, deck joint and improve its intensity.But adopt the asphalt seal seam, because road surface, temperature decline when bridge floor has ponding or flowing water, pitch and road surface, bridge deck shrink, seam is opened, the sealing effect of pitch is with regard to variation, surface water on road surface, the bridge floor will be in road surface, bridge deck structure seepage, therefore, the effect of pitch joint seal is undesirable; Simultaneously, the enclosed construction of the pitch of road surface, bridge floor needs often to safeguard, the maintenance time of road surface, bridge floor and maintenance cost are increased.In addition, the seam crossing antiseep of road surface, bridge floor plate adopts the method for stiffener in addition, but the antiseep of the basic road pavement of stiffener, bridge floor plate seam can not play great effect.
As seen, existing cement concrete pavement, Deck Water Leakage product or can not adapt to the distortion of road surface, bridge deck contraction or expansion, make its sealing effectiveness undesirable to the plate seam, itself just can not road pavement, the antiseep of bridge floor plate seam plays much effects, thereby can not reach the purpose that prevents cement concrete pavement, Deck Water Leakage fully substantially.And relevant highway, bridge flashing product, and utilize it to prevent that road surface, the downward seepage of bridge floor surface water from entering the road surface, the bridge floor internal construction yet there are no report in highway, bridge engineering.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned existing road surface, deck joint anti-seep water material, the defective of structure, invent a kind of cement concrete pavement that is used to prevent, the flashing of bridge floor plate seam percolating water, adopt laminated structure to prevent cement concrete pavement, the bridge floor surface water enters the road surface from the seam crossing seepage, in the bridge deck structure, to solve the road surface, the waterproof problem of bridge floor, improve the road surface, the intensity of bridge deck structure, reduce the water road pavement, the influence of bridge deck structure, prolong the road surface, the application life of bridge floor and raising road surface, the bridge floor functional performance, increase the road surface, normally being open to traffic the time of bridge floor, reduce the road surface, the maintenance time of bridge floor and maintenance cost.
Technology contents of the present utility model is: this flashing for can stretch under external force, the sheet of the plane elasticity sheet of torsional deflection or band fold-like structures (promptly the middle part is for stretching, reverse the bending structure), its one or both sides, an end or two ends also can have and make progress or downward hook formation.This elastic water-proof sheet can be to have elasticity or sheet flexible, torsion structure, the sheet of making as plastic sheet, sheet rubber, sheet metal (as aluminium flake, iron plate, copper sheet, galvanized sheet iron) and other macromolecular material etc., flashing can be stretched under external force, compress, reverses or distortion up and down, can adapt to the effect of external force.
This flashing is used to prevent cement concrete pavement, when bridge floor plate seam crossing surface water seepage enters internal construction, be this flashing directly to be set at cement concrete pavement, bridge floor plate seam crossing, promptly when building road surface, bridge floor, along the road surface, bridge deck interblock seam vertically, build in the cement concrete plate of imbedding the seam crossing both sides flashing or the plate bottom surface, or the road surface of building, the end face or the sidewall of bridge surface cement concrete plate seam both sides are installed, sticked on to flashing.Installing, paste methods such as flashing available epoxy, glue, cement carries out; When building, pasting or laminated structure is installed, must guarantee that the road surface of laminated structure and both sides, bridge floor plate connect, the cavity that leaks, slits such as slit, hole can not be arranged, guarantee the sealing of seam.
When the deformation energy of plane flashing adapts to the distortion of seam both sides plate, when mobile, adopts plane structure (flexure strip); When the distortion of plane flashing can not adapt to the distortion of seam both sides plate, when mobile, (there is fold-like structures at the middle part of flashing to adopt the bending structure, corresponding to cement concrete plate seam gaps place, can guarantee that flashing freely stretches with the distortion of both sides plate or reverses).The one or both sides of flashing also can structure with hook, to strengthen being connected and fixed between flashing and the cement concrete plate; Flashing also should have certain corrosion-resistant and ageing-resistant performance simultaneously, and can and be complementary in application life of cement concrete slab the application life of laminated structure.The flashing life-span of installation, the end face that is pasted on road surface, bridge surface cement concrete plate seam both sides or sidewall can be less than or equal to the application life of cement concrete slab, when flashing damages, can change; Installing, paste methods such as flashing available epoxy, glue, cement carries out.
Elastic water-proof sheet of the present utility model or band are flexible, reverse the sheet flashing of bending structure, be used to be embedded in the road surface, in the cement concrete plate of bridge deck interblock seam crossing both sides or plate bottom surface, or install, stick on the road surface, the end face or the sidewall of bridge surface cement concrete plate seam both sides, seam between can the closed on both sides plate, can adapt to simultaneously seam both sides cement concrete pavement again, the bridge floor plate moves, the function of distortion, guaranteed the road surface, seam sealing under various conditions between the bridge floor plate, avoided the road surface effectively, the bridge floor surface water enters internal construction from plate seam crossing seepage and destroys the road surface, bridge floor, overcome traditional cement concrete pavement, the bridge floor seal water structure moves because of plate, be out of shape and very easily ruined defective, or plate seam joint seal structure, the shrinkage strain of material or oxidation, the aging problem that causes the antiseep deleterious.
The utility model has utilized laminated structure to have anti-seep water and has adapted to the distortion of seam both sides plate, move, and easy construction, the characteristics of long service life, solved existing road surface, bridge floor is because of the road surface, bridge floor surface rainwater enters the road surface, bridge deck structure inside, cause the road surface, the bridge floor plate deformation, the changing of the relative positions, fracture, problems of crack, improved the road surface, the functional performance of bridge floor, prolonged the road surface, the application life of bridge floor, reduced the road surface, the maintenance workload of bridge floor and maintenance time, increased the road surface, normally being open to traffic the time of bridge floor, reduce the road surface, the construction of bridge floor and maintenance cost.
Description of drawings:
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the plane structural representation of the utility model,
Fig. 2 is the utility model band fold-like structures schematic diagram,
Fig. 3 is for the utility model both sides buckle and be with the fold-like structures schematic diagram,
Fig. 4 is for the utility model one side buckle and be with the pleated structure schematic diagram,
Fig. 5 is for the utility model both sides buckle and be with pleated structure to be used for cement concrete pavement, bridge deck water-proof structural representation,
Fig. 6 is for the utility model both sides buckle and be with pleated structure to be used for cement concrete pavement, bridge deck water-proof structural representation,
Fig. 7 is used for cement concrete pavement, bridge deck water-proof structural representation for the utility model band pleated structure,
Fig. 8 is used for cement concrete pavement, bridge deck water-proof structural representation for the utility model plane flashing.
Among the figure: the 1-flashing; 2-cement concrete plate.
The specific embodiment
Embodiment 1: as shown in Figure 1, this flashing for can stretch under external force, the flat rubber sheet of torsional deflection.
This flashing is used to prevent that cement concrete pavement, bridge floor plate seam crossing surface water seepage from entering internal construction, be this flashing directly to be set at cement concrete pavement, bridge floor plate seam crossing, when building road surface, bridge floor, along the road surface, bridge deck interblock seam vertically, flashing is built in the cement concrete plate of imbedding the seam crossing both sides.Promptly in joints cement concrete plate process, build certain thickness earlier, above then flashing being placed on, build the remainder cement concrete more in the above; Like this, in the process of building, just flashing has been imbedded in the cement concrete plate of seam crossing both sides, and guaranteed that laminated structure is connected with road surface, the bridge floor plate of both sides, do not had percolating water cavity, slits such as slit, hole, made seam obtain sealing.
When the plate deformation of seam both sides, when mobile, the rubber waterproof sheet can be out of shape thereupon, the distortion of adaptation plate, mobile, guaranteed percolating water cavity, slits such as slit, hole can not occur between the road surface, bridge floor plate of laminated structure and both sides, make seam obtain sealing, avoided the surface water of road surface, bridge floor to enter internal construction effectively and destroyed road surface, bridge floor from plate seam crossing seepage.
Embodiment 2: as shown in Figure 2, this flashing is the copper sheet of middle part band fold-like structures (bending structure).
This flashing is used to prevent that cement concrete pavement, bridge floor plate seam crossing surface water seepage from entering internal construction, be this flashing directly to be set at cement concrete pavement, bridge floor plate seam crossing, when building road surface, bridge floor, along the road surface, bridge deck interblock seam vertically, flashing is built in the cement concrete plate of imbedding the seam crossing both sides.Promptly in joints cement concrete plate process, build certain thickness earlier, above then flashing being placed on, and middle part fold-like structures (bending structure) aimed at interplate slit, build the remainder cement concrete more in the above; Like this, in the process of building, just flashing has been imbedded in the cement concrete plate of seam crossing both sides, and guaranteed that laminated structure is connected with road surface, the bridge floor plate of both sides, do not had percolating water cavity, slits such as slit, hole, made seam obtain sealing.
When the plate deformation of seam both sides, when mobile, the fold-like structures (bending structure) at sheet of copper flashing middle part can produce distortion thereupon, the distortion of adaptation plate, mobile, guaranteed percolating water cavity, slits such as slit, hole can not occur between the road surface, bridge floor plate of laminated structure and both sides, make seam obtain sealing, avoided the surface water of road surface, bridge floor to enter internal construction effectively and destroyed road surface, bridge floor from plate seam crossing seepage.
Embodiment 3: as shown in Figure 3, this flashing is the aluminium flake of middle part band fold-like structures (bending structure), and its both sides are also with hook formation upwards.
As shown in Figure 6, this flashing is used to prevent that cement concrete pavement, bridge floor plate seam crossing surface water seepage from entering internal construction, be this flashing directly to be set at cement concrete pavement, bridge floor plate seam crossing, when building road surface, bridge floor, along the road surface, bridge deck interblock seam vertically, flashing is built in the cement concrete plate of imbedding the seam crossing both sides.Promptly in joints cement concrete plate process, build certain thickness earlier, above then flashing being placed on, and middle part fold-like structures (bending structure) aimed at interplate slit, build the remainder cement concrete more in the above; Like this, in the process of building, just flashing has been imbedded in the cement concrete plate of seam crossing both sides, and guaranteed that laminated structure is connected with road surface, the bridge floor plate of both sides, do not had percolating water cavity, slits such as slit, hole, made seam obtain sealing.
When the plate deformation of seam both sides, when mobile, the fold-like structures (bending structure) at flaky aluminum flashing middle part can produce distortion thereupon, the distortion of adaptation plate, mobile, guaranteed percolating water cavity, slits such as slit, hole can not occur between the road surface, bridge floor plate of laminated structure and both sides, make seam obtain sealing, avoided the surface water of road surface, bridge floor to enter internal construction effectively and destroyed road surface, bridge floor from plate seam crossing seepage.
Embodiment 4: as shown in Figure 5, this flashing is the galvanized sheet iron of middle part band fold-like structures (bending structure), and its both sides are also with hook formation upwards.
This flashing is used to prevent that cement concrete pavement, bridge floor plate seam crossing surface water seepage from entering internal construction, be this flashing directly to be set at cement concrete pavement, bridge floor plate seam crossing, promptly when building road surface, bridge floor, at first along the road surface, bridge deck interblock seam vertically, flashing is put into cement concrete slab bottom surface to be built, seam crossing both sides, flashing middle part fold-like structures (bending structure) is aimed at interplate seam, then joints cement concrete plate on flashing; Like this, in the process of building, just flashing has been imbedded the cement concrete plate bottom surface of seam crossing both sides, and guaranteed that laminated structure is connected with road surface, the bridge floor plate of both sides, and do not have percolating water cavity, slits such as slit, hole, make seam obtain sealing.
When the plate deformation of seam both sides, when mobile, the fold-like structures (bending structure) at sheet galvanized sheet iron flashing middle part can produce distortion thereupon, the distortion of adaptation plate, mobile, guaranteed percolating water cavity, slits such as slit, hole can not occur between the road surface, bridge floor plate of laminated structure and both sides, make seam obtain sealing, avoided the surface water of road surface, bridge floor to enter internal construction effectively and destroyed road surface, bridge floor from plate seam crossing seepage.
Embodiment 5: as Fig. 2, shown in Figure 7, this flashing is the copper sheet of middle part band fold-like structures (bending structure), is used for cementation, is installed in the road surface, the cement concrete plate wall end face of seam crossing both sides between bridge floor plate surface.Promptly after building road surface, bridge floor, along the road surface, bridge deck interblock seam vertically, flashing is placed on seam crossing, fold-like structures (bending structure) is aimed at seam, flashing is bondd, is installed in the end face of cement concrete plate, or before the cement concrete plate does not solidify, flashing is directly installed on cement concrete plate end face; Like this, just guaranteed that laminated structure is connected with road surface, the bridge floor plate of both sides, do not had percolating water cavity, slits such as slit, hole, made seam obtain sealing.
When the plate deformation of seam both sides, when mobile, the fold-like structures (bending structure) at sheet of copper flashing middle part can produce distortion thereupon, the distortion of adaptation plate, mobile, guaranteed percolating water cavity, slits such as slit, hole can not occur between the road surface, bridge floor plate of laminated structure and both sides, make seam obtain sealing, avoided the surface water of road surface, bridge floor to enter internal construction effectively and destroyed road surface, bridge floor from plate seam crossing seepage.
Embodiment 6: as Fig. 1, shown in Figure 8, this flashing is the flat rubber sheet, is used for cementation, is installed in the road surface, the cement concrete plate end face of seam crossing both sides between bridge floor plate surface.Promptly after having built road surface, bridge floor, along the road surface, bridge deck interblock seam vertically, the rubber waterproof sheet is cemented in the cement concrete plate top surface of seam crossing both sides with epoxy resin; Like this, just guaranteed that laminated structure is connected with road surface, the bridge floor plate of both sides, do not had percolating water cavity, slits such as slit, hole, made seam obtain sealing.
When the plate deformation of seam both sides, when mobile, the rubber waterproof sheet can produce distortion thereupon, the distortion of adaptation plate, mobile, guaranteed percolating water cavity, slits such as slit, hole can not occur between the road surface, bridge floor plate of laminated structure and both sides, make seam obtain sealing, avoided the surface water of road surface, bridge floor to enter internal construction effectively and destroyed bridge floor, road surface from plate seam crossing seepage.
Claims (3)
1. a flashing that is used to prevent cement concrete pavement, bridge floor plate seam percolating water is characterized in that flashing (1) is the plane elasticity sheet of flexible under external force, torsional deflection or the sheet of middle band fold-like structures.
2. the flashing that is used to prevent cement concrete pavement, bridge floor plate seam percolating water according to claim 1, the one or both sides that it is characterized in that flashing (1) are also with up or down hook formation.
3. the flashing that is used to prevent cement concrete pavement, bridge floor plate seam percolating water according to claim 1 and 2 is characterized in that flashing (1) made by metal, rubber, plastics or macromolecular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201045753U CN201089876Y (en) | 2007-04-27 | 2007-04-27 | Waterproof table for preventing cement concrete pavement and deck plate juncture from trickleing water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201045753U CN201089876Y (en) | 2007-04-27 | 2007-04-27 | Waterproof table for preventing cement concrete pavement and deck plate juncture from trickleing water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201089876Y true CN201089876Y (en) | 2008-07-23 |
Family
ID=39861634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201045753U Expired - Lifetime CN201089876Y (en) | 2007-04-27 | 2007-04-27 | Waterproof table for preventing cement concrete pavement and deck plate juncture from trickleing water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201089876Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061653A (en) * | 2011-01-28 | 2011-05-18 | 长沙理工大学 | Joint drainage type cement concrete road structure and construction method thereof |
| CN110965422A (en) * | 2019-12-13 | 2020-04-07 | 江苏中路工程技术研究院有限公司 | Flexible splicing paving structure and construction method thereof |
-
2007
- 2007-04-27 CN CNU2007201045753U patent/CN201089876Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061653A (en) * | 2011-01-28 | 2011-05-18 | 长沙理工大学 | Joint drainage type cement concrete road structure and construction method thereof |
| CN110965422A (en) * | 2019-12-13 | 2020-04-07 | 江苏中路工程技术研究院有限公司 | Flexible splicing paving structure and construction method thereof |
| CN110965422B (en) * | 2019-12-13 | 2021-11-05 | 江苏中路工程技术研究院有限公司 | Flexible splicing paving structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA YUNNAN HIGHWAY + BRIDGE CONSTRUCTION GROUP C |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110805 Address after: 650051 68 Wenchang Road, 121 street, Wuhua District, Yunnan, Kunming Co-patentee after: China Yunnan Road Construction Group Co.,Ltd. Patentee after: Kunming University of Science and Technology Address before: 650051 68 Wenchang Road, 121 street, Wuhua District, Yunnan, Kunming Patentee before: Kunming University of Science and Technology |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080723 |
|
| CX01 | Expiry of patent term |