CN114370005A - Construction method of long-life bridge deck pavement structure for preventing bridge deck cracks - Google Patents
Construction method of long-life bridge deck pavement structure for preventing bridge deck cracks Download PDFInfo
- Publication number
- CN114370005A CN114370005A CN202210117108.3A CN202210117108A CN114370005A CN 114370005 A CN114370005 A CN 114370005A CN 202210117108 A CN202210117108 A CN 202210117108A CN 114370005 A CN114370005 A CN 114370005A
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- China
- Prior art keywords
- bridge deck
- leveling layer
- layer
- concrete leveling
- concrete
- Prior art date
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 239000004567 concrete Substances 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 12
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 11
- 239000013013 elastic material Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a construction method of a long-life bridge deck pavement structure for preventing bridge deck cracks, which comprises the following steps: and after the bridge body of the bridge A is erected, paving a steel fiber non-shrinkage concrete leveling layer on the bridge deck. And B, cutting expansion joints on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joints, and dividing the concrete leveling layer into a plurality of plates. And C, sticking a stress absorption band on the expansion joint of the concrete leveling layer. D, uniformly spreading a layer of cement-based capillary crystalline waterproof material on the concrete leveling layer. E, paving an asphalt concrete pavement layer. The invention adopts the TST elastic expansion joints and the stress absorption bands to provide deformation expansion amount for the bridge deck structure, dissipate stress and prevent the bridge deck pavement layer from cracking; the bridge deck pavement layer structure is definite in stress, strong in construction operability and capable of effectively prolonging the service life of bridge deck pavement.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to a construction method of a long-life bridge deck pavement structure for preventing bridge deck cracks.
Background
The bridge deck pavement structure is composed of a concrete leveling layer and an asphalt concrete pavement layer. In the operation use of bridge, under heavy-duty vehicle's repeated action, the bridge floor structure is downwarped repeatedly, because of the concrete leveling layer is rigid structure, the concrete leveling layer very easily produces the crushing phenomenon of breaking. Cracks in the concrete leveling layer are further reflected to the asphalt concrete pavement layer, so that the pavement layer is cracked, and rainwater permeates into the asphalt concrete pavement layer and the concrete leveling layer through the cracks. Under the repeated action of vehicle load, rain, freezing and the like, cracks of the bridge deck pavement layer are further developed and destroyed, and the service life of the bridge deck pavement is seriously influenced.
Disclosure of Invention
Aiming at the problems, the invention provides a construction method of a long-service-life bridge deck pavement structure for preventing bridge deck cracks, which solves the problem that the conventional bridge deck pavement structure is easy to crack and damage under the action of heavy traffic and rainwater.
A construction method of a long-life bridge deck pavement structure for preventing bridge deck cracks comprises the following steps:
A. after the bridge body is erected, paving a bridge deck concrete leveling layer on a bridge deck, wherein a reinforcing mesh is arranged in the leveling layer;
B. cutting expansion joints on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joints, and dividing the concrete leveling layer into a plurality of plates;
C. sticking a stress absorption band on the expansion joint of the concrete leveling layer;
D. uniformly spreading a layer of cement-based capillary crystalline waterproof material on the concrete leveling layer;
E. paving an asphalt concrete pavement layer with the thickness of 10 cm.
In the scheme, in the step A, the bridge deck concrete leveling layer is made of steel fiber non-shrinkage concrete, and the longitudinal and transverse spacing of the reinforcing mesh is 10 multiplied by 10 cm.
In the step B, the cutting width of the expansion joint is 10mm, and the average depth of the expansion joint is 100 mm.
In the step C, the width of the stress absorption belt is 30 cm.
And D, spreading a layer of cement-based permeable crystallization type waterproof material on the concrete leveling layer to cover the whole concrete leveling layer, wherein the layer of cement-based permeable crystallization type waterproof material comprises a bonded stress absorption band.
The invention adopts the TST elastic expansion joints and the stress absorption bands to provide deformation expansion amount for the bridge deck structure, dissipate stress and prevent the bridge deck pavement layer from cracking; the bridge deck pavement layer structure is definite in stress, strong in construction operability and capable of effectively prolonging the service life of bridge deck pavement.
Drawings
FIG. 1 is a schematic cross-sectional view of a crack-preventing long-life bridge deck pavement structure.
Fig. 2 is a plan view of a crack-resistant long-life bridge deck concrete leveling course.
Fig. 3 is a plan view of a split block of a long-life bridge deck concrete leveling layer for preventing cracks.
Fig. 4 is a plan view of the material for filling the TST elastic expansion joint on the long-life bridge deck concrete leveling layer for preventing cracks.
Fig. 5 is a plan view of a stress absorbing tape attached to a long-life bridge deck concrete leveling layer for preventing cracks.
FIG. 6 is a plan view of a crack-preventing long-life bridge deck concrete leveling layer painted with a cement-based permeable crystalline waterproofing material.
FIG. 7 is a plan view of long life asphalt concrete pavement on bridge surface for preventing cracks.
FIG. 8 is a schematic view of the operation of a crack-preventing long-life bridge deck pavement structure.
Description of reference numerals:
1-an asphalt concrete pavement layer; 2-cement-based capillary crystalline waterproof material; 3-C50 steel fiber non-shrinkage concrete leveling layer; 4-reinforcing mesh; 5-stress absorption band; 6-TST elastic expansion joint; 7-bridge girder body; 8-cutting the seam; f-an anti-collision wall; h-the transverse bridge direction; s-in-bridge direction; b-marked line.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following will describe in detail a construction method of a long-life bridge deck pavement structure for preventing cracks in a bridge deck, provided by the present invention, with reference to the following embodiments. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example 1
A construction method of a long-life bridge deck pavement structure for preventing bridge deck cracks comprises the following steps:
A. after the bridge body is erected, a C50 steel fiber non-shrinkage concrete leveling layer with the thickness of 10cm is paved on the bridge deck slab, and reinforcing mesh sheets with the longitudinal and transverse spacing of 10 multiplied by 10cm are arranged in the leveling layer.
B. The expansion joint with the width of 10mm and the average depth of 100mm is cut on the steel fiber non-shrinkage concrete leveling layer, TST elastic materials are filled in the joint, and the concrete leveling layer is divided into a plurality of plates.
C. And a stress absorption band with the width of 30cm is adhered to the upper surface of the expansion joint of the concrete leveling layer.
D. And uniformly spreading a layer of cement-based permeable crystalline waterproof material on the concrete leveling layer to cover the whole concrete leveling layer, including the adhered stress absorption band.
E. Paving an asphalt concrete pavement layer with the thickness of 10 cm.
The long-life bridge deck pavement structure for preventing cracks formed by the method comprises a C50 steel fiber non-shrinkage concrete leveling layer 3 with the thickness of 10cm, which is paved on a bridge deck on a bridge girder body 7 from bottom to top, a reinforcing mesh 4 with the longitudinal and transverse spacing of 10 multiplied by 10cm is arranged in the leveling layer, expansion joints 8 with the width of 10mm and the average depth of 100mm are arranged on the steel fiber non-shrinkage concrete leveling layer in a cutting mode, TST elastic materials are filled in the joints, and the concrete leveling layer is divided into a plurality of plates; a stress absorption band 5 with the width of 30cm is adhered on the expansion joint of the concrete leveling layer; a layer of cement-based capillary crystalline waterproof material 2 is uniformly spread on the concrete leveling layer to cover the whole concrete leveling layer, including the adhered stress absorption band; the uppermost layer is an asphalt concrete pavement layer 1 with the thickness of 10 cm.
In the operation and use process of the bridge, under the repeated action of heavy-duty vehicles, the bridge deck structure is repeatedly bent downwards, and the TST expansion joints 6 and the stress absorption bands 5 provide the expansion amount for the downward bending and extrusion of the concrete leveling layer 3, so that the requirement of the concrete leveling layer 3 on the compression-extension deformation is met; the steel fiber non-shrinkage concrete can effectively prevent the formation of micro cracks and the development of macro cracks in the concrete leveling layer 3; the cement-based capillary crystalline waterproof material 2 can prevent rain from permeating into the concrete of the leveling layer, and can reduce the damage of environmental factors to the bridge deck pavement layer. The steel fiber concrete leveling layer, the TST expansion joint, the stress absorption band, the cement-based permeable crystalline waterproof material and the asphalt concrete pavement layer form a long-life bridge deck pavement structure for preventing cracks.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit and scope of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. A construction method for a long-life bridge deck pavement structure for preventing bridge deck cracks is characterized by comprising the following steps:
A. after the bridge body is erected, paving a bridge deck concrete leveling layer on a bridge deck, wherein a reinforcing mesh is arranged in the leveling layer;
B. cutting expansion joints on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joints, and dividing the concrete leveling layer into a plurality of plates;
C. sticking a stress absorption band on the expansion joint of the concrete leveling layer;
D. uniformly spreading a layer of cement-based capillary crystalline waterproof material on the concrete leveling layer;
E. paving an asphalt concrete pavement layer with the thickness of 10 cm.
2. The method for constructing a long-life bridge deck pavement structure for preventing cracks in a bridge deck according to claim 1, wherein in the step A, the bridge deck concrete leveling layer is made of steel fiber non-shrinkage concrete, and the longitudinal and transverse intervals of the steel mesh sheets are 10 x 10 cm.
3. The method of claim 2, wherein the expansion joints have a cutting width of 10mm and an average depth of 100 mm.
4. The method of constructing a long life deck pavement structure for preventing cracks in a bridge deck according to claim 3, wherein the width of the stress absorbing zone is 30 cm.
5. The method of claim 4, wherein the concrete leveling layer is spread with a cement-based permeable crystalline waterproof material covering the entire concrete leveling layer, including the adhered stress absorbing tape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679535 | 2021-12-31 | ||
| CN2021116795352 | 2021-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114370005A true CN114370005A (en) | 2022-04-19 |
| CN114370005B CN114370005B (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210117108.3A Active CN114370005B (en) | 2021-12-31 | 2022-02-08 | Construction method of long-life bridge deck pavement structure for preventing bridge deck cracks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114370005B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344629A (en) * | 2023-12-04 | 2024-01-05 | 中化学交通建设集团有限公司 | Bridge deck pavement structure and construction method |
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|---|---|---|---|---|
| JPH10259662A (en) * | 1997-03-18 | 1998-09-29 | Taisei Corp | Crack suppressing method for concrete |
| KR20040081099A (en) * | 2004-08-20 | 2004-09-20 | 한국하이웰산업주식회사 | Repair and reinforcement method for upper concrete structure of bridge and overpass using reinforced composite member for repairing/reinforcing damaged part rapidly |
| KR100727675B1 (en) * | 2006-09-04 | 2007-06-13 | 주식회사 포스코건설 | Concrete bridge deck and construction method thereof |
| CN104652268A (en) * | 2015-02-05 | 2015-05-27 | 悉地（苏州）勘察设计顾问有限公司 | Bridge deck continuous seam structure and forming method thereof |
| JP2015129393A (en) * | 2014-01-07 | 2015-07-16 | 鹿島建設株式会社 | Construction method for concrete structure |
| CN204551254U (en) * | 2015-02-05 | 2015-08-12 | 悉地（苏州）勘察设计顾问有限公司 | A kind of bridge deck continuous seam structure |
| CN204676416U (en) * | 2015-06-08 | 2015-09-30 | 大连理工大学 | A kind of expansion joints without seals |
| CN105064209A (en) * | 2015-08-25 | 2015-11-18 | 上海市政工程设计研究总院（集团）有限公司 | Bridge deck pavement leveling layer structure and leveling method thereof |
| CN207032034U (en) * | 2017-07-28 | 2018-02-23 | 中建六局土木工程有限公司 | A kind of steel box-girder pave-load layer constructing structure |
| CN207537877U (en) * | 2017-09-29 | 2018-06-26 | 中交公路长大桥建设国家工程研究中心有限公司 | A kind of low drying shrinkage cement-based material bridge deck pavement structure of ultra-tough |
| JP6499802B1 (en) * | 2018-11-22 | 2019-04-10 | 株式会社ハナミズキ・ブリッジ・プランニング | Steel slab pavement structure |
| CN112391946A (en) * | 2020-11-10 | 2021-02-23 | 中铁第四勘察设计院集团有限公司 | Tram elevated bridge deck greening and paving structure |
-
2022
- 2022-02-08 CN CN202210117108.3A patent/CN114370005B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10259662A (en) * | 1997-03-18 | 1998-09-29 | Taisei Corp | Crack suppressing method for concrete |
| KR20040081099A (en) * | 2004-08-20 | 2004-09-20 | 한국하이웰산업주식회사 | Repair and reinforcement method for upper concrete structure of bridge and overpass using reinforced composite member for repairing/reinforcing damaged part rapidly |
| KR100727675B1 (en) * | 2006-09-04 | 2007-06-13 | 주식회사 포스코건설 | Concrete bridge deck and construction method thereof |
| JP2015129393A (en) * | 2014-01-07 | 2015-07-16 | 鹿島建設株式会社 | Construction method for concrete structure |
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| CN204551254U (en) * | 2015-02-05 | 2015-08-12 | 悉地（苏州）勘察设计顾问有限公司 | A kind of bridge deck continuous seam structure |
| CN204676416U (en) * | 2015-06-08 | 2015-09-30 | 大连理工大学 | A kind of expansion joints without seals |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344629A (en) * | 2023-12-04 | 2024-01-05 | 中化学交通建设集团有限公司 | Bridge deck pavement structure and construction method |
| CN117344629B (en) * | 2023-12-04 | 2024-04-02 | 中化学交通建设集团有限公司 | Bridge deck pavement structure and construction method |
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| Publication number | Publication date |
|---|---|
| CN114370005B (en) | 2023-07-21 |
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