CN114370005B - 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
- CN114370005B CN114370005B CN202210117108.3A CN202210117108A CN114370005B CN 114370005 B CN114370005 B CN 114370005B CN 202210117108 A CN202210117108 A CN 202210117108A CN 114370005 B CN114370005 B CN 114370005B
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- China
- Prior art keywords
- bridge deck
- layer
- leveling layer
- concrete leveling
- concrete
- Prior art date
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000004567 concrete Substances 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000010959 steel 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
- 238000005336 cracking Methods 0.000 claims abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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
-
- 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
-
- 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
-
- 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 A is erected, paving a steel fiber non-shrinkage concrete leveling layer on the bridge deck. And B, cutting an expansion joint on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joint, and dividing the concrete leveling layer into a plurality of plates. And C, sticking a stress absorption belt on the expansion joint of the concrete leveling layer. And D, uniformly spreading a layer of cement-based permeable crystalline waterproof material on the concrete leveling layer. And E, paving an asphalt concrete paving layer. The invention adopts the TST elastic expansion joint and the stress absorbing belt to provide deformation expansion amount for the bridge deck structure, dissipates stress and prevents the bridge deck pavement layer from cracking; the bridge deck pavement layer structure is stressed clearly, the construction operability is strong, and the service life of the bridge deck pavement can be effectively prolonged.
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 mainly composed of a concrete leveling layer and an asphalt concrete pavement layer. In the operation and use process of the bridge, the bridge deck structure is repeatedly scratched under the repeated action of the heavy-duty vehicle, and the concrete leveling layer is a rigid structure, so that the crushing and cracking phenomenon is very easy to occur. 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 actions of vehicle load, rainwater, freezing and the like, the 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-life bridge deck pavement structure for preventing bridge deck cracks, which solves the problem that a 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 the bridge deck, wherein a reinforcing steel mesh is arranged in the leveling layer;
B. cutting an expansion joint on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joint, and dividing the concrete leveling layer into a plurality of plates;
C. sticking a stress absorbing belt on the expansion joint of the concrete leveling layer;
D. uniformly spreading a layer of cement-based permeable crystalline waterproof material on the concrete leveling layer;
E. and paving an asphalt concrete paving layer with the thickness of 10cm.
In the scheme, in the step A, the bridge deck concrete leveling layer adopts steel fiber non-shrinkage concrete, and the longitudinal and transverse spacing of the reinforcing steel meshes is 10 multiplied by 10cm.
In the step B, the cutting width of the expansion joint is 10mm, and the depth average is 100mm.
In the step C, the width of the stress absorbing band is 30cm.
And in the step D, a layer of cement-based permeable crystalline waterproof material is spread on the concrete leveling layer to cover the whole concrete leveling layer, wherein the concrete leveling layer comprises a bonded stress absorption band.
The invention adopts the TST elastic expansion joint and the stress absorbing belt to provide deformation expansion amount for the bridge deck structure, dissipates stress and prevents the bridge deck pavement layer from cracking; the bridge deck pavement layer structure is stressed clearly, the construction operability is strong, and the service life of the bridge deck pavement can be effectively prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of a long life deck pavement structure for crack prevention.
Fig. 2 is a plan view of a long life deck concrete leveling layer for crack prevention.
FIG. 3 is a plan view of a split slab of a long life deck concrete leveling layer for crack prevention.
Fig. 4 is a plan view of a long life bridge deck concrete leveling layer filled with TST elastic expansion joint material for preventing cracks.
Fig. 5 is a plan view of a long life bridge deck concrete leveling layer adhesion stress absorbing tape for crack prevention.
Fig. 6 is a plan view of a long life deck concrete leveling layer for crack prevention brushed with a cement-based penetrating crystalline waterproof material.
Fig. 7 is a plan view of a long life deck pavement asphalt concrete pavement for crack prevention.
Fig. 8 is a schematic working diagram of a long life deck pavement structure for preventing cracks.
Reference numerals illustrate:
1-an asphalt concrete pavement layer; 2-cement-based penetrating crystalline waterproof material; 3-C50 steel fiber non-shrinkage concrete leveling layer; 4-reinforcing steel bar meshes; 5-a stress absorbing 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-along the bridge direction; b-graticule.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the invention, the following describes in detail a construction method of a long-life bridge deck pavement structure for preventing bridge deck cracks, which is provided by the invention, with reference to the embodiment. The following examples are only illustrative of the present invention 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 layer of C50 steel fiber non-shrinkage concrete leveling layer with the thickness of 10cm is paved on the bridge deck, and reinforcing steel meshes with the longitudinal and transverse spacing of 10 multiplied by 10cm are arranged in the leveling layer.
B. And cutting an expansion joint with the width of 10mm and the depth of 100mm on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joint, and dividing the concrete leveling layer into a plurality of plates.
C. And (3) attaching a stress absorbing belt with the width of 30cm on 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, wherein the cement-based permeable crystalline waterproof material comprises a bonded stress absorption belt.
E. And paving an asphalt concrete paving layer with the thickness of 10cm.
The long-life bridge deck pavement structure for preventing cracks formed by the method comprises a layer of 10cm thick C50 steel fiber non-shrinkage concrete leveling layer 3 paved on a bridge deck plate on a bridge girder body 7 from bottom to top, wherein reinforcing steel meshes 4 with the longitudinal and transverse spacing of 10 multiplied by 10cm are arranged in the leveling layer, expansion joints 8 with the width of 10mm and the 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 absorbing belt 5 with the width of 30cm is stuck on the expansion joint of the concrete leveling layer; a layer of cement-based permeable crystalline waterproof material 2 is uniformly spread on the concrete leveling layer to cover the whole concrete leveling layer, wherein the concrete leveling layer comprises a bonded stress absorption belt; the uppermost layer is an asphalt concrete pavement layer 1 with the thickness of 10cm.
In the operation and use process of the bridge, under the repeated action of the heavy-duty vehicle, the bridge deck structure is repeatedly scratched, and the TST expansion joint 6 and the stress absorbing belt 5 provide expansion amount for the downward scratching and extrusion of the concrete leveling layer 3, so that the compression and extension deformation requirements of the concrete leveling layer 3 are ensured; the steel fiber non-shrinkage concrete can effectively prevent the formation of microcracks and the development of macroscopic cracks in the concrete leveling layer 3; the cement-based permeable crystalline waterproof material 2 can prevent rainwater from penetrating into the leveling layer concrete, and can reduce damage of environmental factors to a bridge deck pavement layer. The steel fiber concrete leveling layer, the TST expansion joint, the stress absorption belt, the cement-based permeable crystalline waterproof material and the asphalt concrete pavement layer jointly form a long-life bridge deck pavement structure for preventing cracks.
While the present invention has been described in detail with reference to the embodiments, the present invention is not limited to the above-described embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the present invention shall also be considered as the scope of the present invention.
Claims (5)
1. The construction method of the long-life bridge deck pavement structure for preventing bridge deck cracks is characterized by comprising the following steps of:
A. after the bridge body is erected, paving a bridge deck concrete leveling layer on the bridge deck, wherein a reinforcing steel mesh is arranged in the leveling layer;
B. cutting an expansion joint on the steel fiber non-shrinkage concrete leveling layer, filling TST elastic materials in the joint, and dividing the concrete leveling layer into a plurality of plates;
C. sticking a stress absorbing belt on the expansion joint of the concrete leveling layer;
D. uniformly spreading a layer of cement-based permeable crystalline waterproof material on the concrete leveling layer;
E. and paving an asphalt concrete paving layer with the thickness of 10cm.
2. The construction method of long life bridge deck pavement structure for preventing crack of 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 spacing of the reinforcing mesh is 10 x 10cm.
3. The construction method for long-life bridge deck pavement structure for preventing crack of bridge deck according to claim 2, wherein the cutting width of the expansion joint is 10mm and the depth is 100mm on average.
4. A long life deck pavement construction method for preventing deck cracking according to claim 3, wherein the stress absorbing band width is 30cm.
5. The construction method of long life bridge deck pavement structure for preventing crack of bridge deck according to claim 4, wherein a layer of cement-based permeable crystalline waterproof material is spread on the concrete leveling layer to cover 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 CN114370005A (en) | 2022-04-19 |
| CN114370005B true CN114370005B (en) | 2023-07-21 |
Family
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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 |
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| Country | Link |
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| CN (1) | CN114370005B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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|---|---|---|---|---|
| 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 |
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| 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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| 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 |
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| Publication number | Publication date |
|---|---|
| CN114370005A (en) | 2022-04-19 |
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