CN111851322A - Steel bridge deck asphalt pavement disease curing device and method - Google Patents
Steel bridge deck asphalt pavement disease curing device and method Download PDFInfo
- Publication number
- CN111851322A CN111851322A CN202010552320.3A CN202010552320A CN111851322A CN 111851322 A CN111851322 A CN 111851322A CN 202010552320 A CN202010552320 A CN 202010552320A CN 111851322 A CN111851322 A CN 111851322A
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- Prior art keywords
- steel bridge
- microwave
- asphalt mixture
- bridge deck
- heating device
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel bridge deck asphalt pavement disease curing device, which comprises a microwave heating device and a disease area, wherein the microwave heating device is arranged on the steel bridge deck; the microwave heating device and the steel bridge surface form a microwave resonant cavity, and the damaged area is positioned in the microwave resonant cavity; the microwave heating device can uniformly heat the asphalt mixture in the damaged area, and the asphalt mixture on the steel plate can be peeled off without damage. The invention also discloses a method for maintaining the asphalt pavement diseases of the steel bridge deck; the microwave resonant cavity is used for rapidly heating the pavement diseased part to a softening state, so that the effect of nondestructively removing the asphalt mixture at the diseased part is achieved, the problems of damage to a steel bridge deck, high labor intensity, low construction efficiency, heavy environmental pollution and the like in the conventional operation method are solved, and the disease maintenance quality and construction environmental protection performance of the steel bridge deck are improved.
Description
Technical Field
The invention relates to a steel bridge deck asphalt pavement disease curing device and method, and belongs to the technical field of asphalt pavement curing.
Background
In the existing maintenance process of the pit slot of the steel bridge deck asphalt pavement, a cutter or a pneumatic pick is usually used for removing asphalt mixture around the pit slot, and because the thickness of the steel bridge deck asphalt pavement is smaller, the problem that the cutter or the pneumatic pick damages a bridge deck steel plate easily occurs in the construction process, the maintenance quality and the use safety of the steel bridge deck are influenced, in addition, the cutter or the pneumatic pick removes old materials of the pit slot for cold operation, so the problems of high labor intensity, much smoke emission, long construction time and the like exist, and the problems of large labor intensity, long construction time and the like exist, and the surrounding environment and the health of constructors are influenced to a certain extent.
Disclosure of Invention
The invention aims to provide a device and a method for maintaining an asphalt pavement disease of a steel bridge deck, which aim to overcome the defect that a steel plate of the bridge deck is easily damaged by a cutter or a pneumatic pick in the construction process due to the fact that the thickness of the asphalt pavement of the steel bridge deck is smaller in the prior art.
A kind of steel bridge deck bituminous pavement disease curing means, including microwave heating device and disease area;
the microwave heating device and the steel bridge surface form a microwave resonant cavity, and the damaged area is positioned in the microwave resonant cavity;
the microwave heating device can uniformly heat the asphalt mixture in the damaged area, and the asphalt mixture on the steel plate can be peeled off without damage.
Furthermore, the microwave heating device is provided with a plurality of microwave emitting units, and the periphery of the microwave heating device is provided with a microwave shielding structure.
Furthermore, the microwave shielding structure is a flexible metal shielding chain net or an up-down telescopic radiation-proof plate.
A method for maintaining asphalt pavement diseases of a steel bridge deck comprises the following steps:
s1, determining a damaged area, and establishing a microwave resonant cavity for the damaged area;
s2, cleaning the asphalt mixture in the damaged area;
s3, adding a new asphalt mixture to the cleaned damaged area;
And S4, rolling and forming the added new asphalt mixture.
Further, the method for cleaning the asphalt mixture of the diseased region comprises the following steps:
starting a microwave heating device, and heating the asphalt mixture at the damaged area to a softening transition state;
and removing the old asphalt mixture, and polishing the surface of the steel plate.
Further, the heating time of the asphalt mixture at the disease area is 10-15 minutes.
Further, the step of adding a new asphalt mixture to the diseased region comprises the following steps:
coating an epoxy bonding layer on the surface of the steel plate, and coating bonding layer resin after the epoxy bonding layer is cured;
placing the new asphalt mixture into the pit area;
the new asphalt mixture is heated by microwave to a softened state, and is subjected to raking loosening and leveling.
Further, the heating time of the new asphalt mixture is 10-15 minutes.
Further, coating a resin seal layer on the surface of the new asphalt mixture after the rolling forming and spreading basalt macadam.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the microwave heating device and the steel plate in the steel bridge floor are used for establishing the high-efficiency heating microwave resonant cavity, and the pavement diseased part is rapidly heated to a softening state through the microwave resonant cavity, so that the effect of nondestructively removing the asphalt mixture at the diseased part is achieved, the problems of damage to the steel plate on the steel bridge floor, high labor intensity, low construction efficiency, serious environmental pollution and the like in the existing operation method are avoided, and the disease maintenance quality and the construction environmental protection property of the steel bridge floor are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a steel bridge deck asphalt pavement damage maintenance device provided by the embodiment of the invention;
fig. 2 is a flow chart of a method provided by an embodiment of the invention.
In the figure: the device comprises a 1-microwave heating device, a 2-microwave resonant cavity, a 3-damaged area, a 1-1-microwave transmitting unit and a 1-2-microwave shielding structure 1-2.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figure 1, the device is provided with a microwave heating device 1, the microwave heating device 1 and a steel bridge surface form a microwave resonant cavity 2, a damaged area 3 is placed in the microwave resonant cavity 2 to be rapidly and uniformly heated, and the asphalt mixture in the damaged area 3 of the steel bridge surface can be stripped without damage.
As shown in figure 1, a plurality of microwave emitting units 1-1 are arranged in a microwave heating device 1, microwave shielding structures 1-2 are arranged on the periphery of the microwave heating device, and the microwave shielding structures 1-2 are flexible metal shielding chain nets or upper and lower telescopic radiation-proof plates.
As shown in fig. 2, a method for maintaining asphalt pavement diseases of a steel bridge deck comprises the following steps:
In a first step, a microwave cavity 2 is established: determining a damaged area 3, aligning the microwave heating device 1 with the damaged area 3, lowering the microwave heating device 1 until the flexible metal shielding chain net or the upper and lower telescopic radiation-proof plates are in contact with the asphalt pavement, and forming a microwave resonant cavity 2 by the microwave heating device 1 and a steel plate on a steel bridge surface;
secondly, microwave heating of the disease area 3: starting the microwave heating device 1, sealing the microwave in the microwave resonant cavity 2, and rapidly and uniformly heating the asphalt mixture at the damaged area 3 for 10-15 minutes to a softening state;
thirdly, waste material removing: removing the microwave heating device 1, excavating the asphalt mixture at the disease part heated to the softening state, polishing the surface of the steel plate to remove rust, and removing the epoxy bonding layer on the surface of the steel plate;
step four, adding a new asphalt mixture: coating adhesive resin on the surface of the steel plate after the epoxy resin macadam bonding layer is constructed and cured, and putting a new asphalt mixture into a pit area;
fifthly, establishing a microwave resonant cavity 2: aligning the microwave heating device 1 to a pit area, lowering the microwave heating device 1 until the flexible metal shielding chain net or the upper and lower telescopic radiation-proof plates contact with the asphalt pavement, and forming a microwave resonant cavity 2 by the microwave heating device 1 and a steel plate on a steel bridge surface;
Sixthly, microwave heating of the new material: starting the microwave heating device 1, and carrying out microwave heating on the new asphalt mixture for 10-15 minutes to a fusion state;
step seven, rolling and forming: and (3) rolling the heated area by using a road roller to meet the requirement of pavement evenness, coating a resin seal layer on the surface, and spreading basalt macadam.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A steel bridge deck asphalt pavement damage maintenance device is characterized by comprising a microwave heating device and a damage area;
the microwave heating device and the steel bridge surface form a microwave resonant cavity, and the damaged area is positioned in the microwave resonant cavity;
the microwave heating device can uniformly heat the asphalt mixture in the damaged area, and the asphalt mixture on the steel plate can be peeled off without damage.
2. The device for maintaining the asphalt pavement damage of the steel bridge deck according to claim 1, wherein the microwave heating device is provided with a plurality of microwave emitting units, and a microwave shielding structure is arranged around the microwave heating device.
3. The device for maintaining the asphalt pavement damage of the steel bridge deck according to claim 2, wherein the microwave shielding structure is a flexible metal shielding chain net or an up-down telescopic radiation-proof plate.
4. A steel bridge deck asphalt pavement disease curing method is characterized by comprising the following steps:
s1, determining a damaged area, and establishing a microwave resonant cavity for the damaged area;
s2, cleaning the asphalt mixture in the damaged area;
s3, adding a new asphalt mixture to the cleaned damaged area;
and S4, rolling and forming the added new asphalt mixture.
5. The disease curing method for the asphalt pavement of the steel bridge deck according to claim 4, wherein the method for cleaning the asphalt mixture in the disease area comprises the following steps:
starting a microwave heating device, and heating the asphalt mixture at the damaged area to a softening transition state;
and removing the old asphalt mixture, and polishing the surface of the steel plate.
6. The method for disease curing of the steel bridge deck asphalt pavement according to claim 5, wherein the heating time of the asphalt mixture at the disease area is 10-15 minutes.
7. The disease curing method for the asphalt pavement of the steel bridge deck according to claim 4, wherein the step of adding a new asphalt mixture to the diseased area comprises the following steps:
Coating an epoxy bonding layer on the surface of the steel plate, and coating bonding layer resin after the epoxy bonding layer is cured;
placing the new asphalt mixture into the pit area;
the new asphalt mixture is heated by microwave to a softened state, and is subjected to raking loosening and leveling.
8. The disease curing method for the asphalt pavement of the steel bridge deck according to claim 7, wherein the heating time of the new asphalt mixture is 10-15 minutes.
9. The method for disease curing of asphalt pavement of steel bridge deck according to claim 4, wherein the surface of the new asphalt mixture after rolling forming is coated with resin seal and sprayed with basalt macadam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552320.3A CN111851322A (en) | 2020-06-17 | 2020-06-17 | Steel bridge deck asphalt pavement disease curing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552320.3A CN111851322A (en) | 2020-06-17 | 2020-06-17 | Steel bridge deck asphalt pavement disease curing device and method |
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| Publication Number | Publication Date |
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| CN111851322A true CN111851322A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010552320.3A Pending CN111851322A (en) | 2020-06-17 | 2020-06-17 | Steel bridge deck asphalt pavement disease curing device and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05148815A (en) * | 1991-11-25 | 1993-06-15 | Oobayashi Doro Kk | Apparatus for heating asphalt paving mixture over steel plate deck |
| CN101392498A (en) * | 2008-10-31 | 2009-03-25 | 镇江华晨华通路面机械有限公司（中外合资） | Microwave heating wall of tar pavement maintenance car |
| CN106835923A (en) * | 2017-03-01 | 2017-06-13 | 中交瑞通路桥养护科技有限公司 | The quick temperature compensation equipment of Asphalt Pavement Damage and its technique |
| CN107254827A (en) * | 2017-08-07 | 2017-10-17 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of microwave in-place regeneration formula asphalt pavement maintanance truck and construction method |
| CN207130584U (en) * | 2017-08-07 | 2018-03-23 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of microwave in-place regeneration formula asphalt pavement maintanance truck |
| CN109881569A (en) * | 2018-12-14 | 2019-06-14 | 香港英达生态科技投资有限公司 | A kind of asphalt pavement pit repairing method |
-
2020
- 2020-06-17 CN CN202010552320.3A patent/CN111851322A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05148815A (en) * | 1991-11-25 | 1993-06-15 | Oobayashi Doro Kk | Apparatus for heating asphalt paving mixture over steel plate deck |
| CN101392498A (en) * | 2008-10-31 | 2009-03-25 | 镇江华晨华通路面机械有限公司（中外合资） | Microwave heating wall of tar pavement maintenance car |
| CN106835923A (en) * | 2017-03-01 | 2017-06-13 | 中交瑞通路桥养护科技有限公司 | The quick temperature compensation equipment of Asphalt Pavement Damage and its technique |
| CN107254827A (en) * | 2017-08-07 | 2017-10-17 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of microwave in-place regeneration formula asphalt pavement maintanance truck and construction method |
| CN207130584U (en) * | 2017-08-07 | 2018-03-23 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of microwave in-place regeneration formula asphalt pavement maintanance truck |
| CN109881569A (en) * | 2018-12-14 | 2019-06-14 | 香港英达生态科技投资有限公司 | A kind of asphalt pavement pit repairing method |
Non-Patent Citations (3)
| Title |
|---|
| 刘卓: "环氧沥青混凝土加热养护设备研制与应用", 《天津建设科技》 * |
| 张翼飞: "钢桥面浇筑式铺装层微波加热试验研究", 《筑路机械与施工机械化》 * |
| 汪玚: "研发 为了更好地应用 中路高科：撑起钢桥面板"保护伞"", 《交通建设与管理》 * |
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Application publication date: 20201030 |