CN108360377B - Fabricated reinforced concrete simply-supported slab bridge hinge joint and construction method thereof - Google Patents
Fabricated reinforced concrete simply-supported slab bridge hinge joint and construction method thereof Download PDFInfo
- Publication number
- CN108360377B CN108360377B CN201810194086.4A CN201810194086A CN108360377B CN 108360377 B CN108360377 B CN 108360377B CN 201810194086 A CN201810194086 A CN 201810194086A CN 108360377 B CN108360377 B CN 108360377B
- Authority
- CN
- China
- Prior art keywords
- hinge joint
- horizontal
- reinforced concrete
- transverse
- convex strip
- Prior art date
- 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 - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
Abstract
The invention provides an assembly type reinforced concrete simply supported slab bridge hinge joint, which comprises a plurality of reinforced concrete prefabricated slabs, wherein a transverse groove is formed in one side of a long edge of each reinforced concrete prefabricated slab, a transverse convex strip is arranged on the other side of the long edge, a vertical hinge joint gap is formed between an upper plate block of each transverse groove and one side of the long edge of an adjacent reinforced concrete prefabricated slab, a horizontal hinge joint gap is formed between each upper plate block of each transverse groove and the corresponding transverse convex strip, an arc-shaped convex strip is arranged on the front side of each transverse convex strip, and an arc-shaped groove is; the upper portion of horizontal sand grip is equipped with vertical projection, and the outside of the upper portion plate of horizontal recess is equipped with horizontal projection, and it has little expanded concrete to fill in horizontal hinge seam space and the vertical hinge seam space in proper order respectively. The invention also provides a construction method of the assembly type reinforced concrete simply supported slab bridge hinge joint. The invention effectively solves the problem that the existing concrete hinge joint is easy to damage and fall off, prolongs the damage period of the concrete hinge joint, and effectively reduces the workload of later maintenance.
Description
Technical Field
The invention relates to the technical field of assembly type building engineering, in particular to an assembly type reinforced concrete simply supported slab bridge hinge joint and a construction method thereof.
Background
The fabricated reinforced concrete simple straight slab bridge is the simplest structure of all bridge structures, and is widely applied to medium and small span bridges due to convenient construction and simple structure. In order to integrate the assembled panels and to carry the load of the vehicle, a transverse connection must be made between the panels, the most widely used method being the use of tongue and groove concrete hinges for the connection. However, the existing tongue-and-groove concrete hinge joint is easy to have damage phenomena of different degrees, such as cracking, breakage, peeling and the like of hinge joint concrete. The invention patent application with publication number CN102733299A discloses a novel fabricated reinforced concrete simple straight slab bridge hinge joint, which forms a hinge joint gap by the cooperation of convex strips and grooves between adjacent reinforced concrete precast slabs, and micro-expansion concrete is filled in the hinge joint gap. Although the concrete hinge joint has the advantages of definite and reliable stress and easiness in later maintenance, the problems that the concrete hinge joint is easy to damage and peel off and the like are not fundamentally solved, namely the damage cycle of the concrete hinge joint is as short as that of the traditional concrete hinge joint, the later maintenance is frequent and the workload is large.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the fabricated reinforced concrete simply supported slab bridge hinge joint and the construction method thereof, which can effectively prolong the damage period of the concrete hinge joint and is beneficial to reducing the later maintenance workload.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides an assembly type reinforced concrete simply supported slab bridge hinge joint, which comprises a plurality of reinforced concrete prefabricated slabs, wherein a transverse groove is formed in one side of a long edge of each reinforced concrete prefabricated slab, a transverse convex strip inserted into the transverse groove of an adjacent concrete prefabricated slab is arranged on the other side of the long edge, a vertical hinge joint gap is formed between an upper plate block of the transverse groove and one side of the long edge of the adjacent reinforced concrete prefabricated slab, a horizontal hinge joint gap is formed between the upper plate block of the transverse groove and the transverse convex strip, an arc convex strip is arranged on the front side of the transverse convex strip, and an arc groove matched with the arc convex strip is formed in the bottom of the transverse; the upper portion of the transverse convex strip is provided with a plurality of vertical convex columns in horizontal hinge joint gaps, the outer side of the upper plate of the transverse groove is provided with a plurality of horizontal convex columns in vertical hinge joint gaps, and micro-expansion concrete is filled in the horizontal hinge joint gaps and the vertical hinge joint gaps in sequence.
Furthermore, the bottom surface and the long side of the upper plate of the transverse groove are in fillet transition, and the radius of the fillet is preferably 15-20 mm.
Furthermore, the bottom surface of the upper plate is an inclined plane with a higher left side and a lower right side, and an included angle between the inclined plane and the horizontal plane is 5 degrees.
The invention also provides a construction method of the hinge joint of the assembly type reinforced concrete simply supported slab bridge, which comprises the following steps:
step [1] manufacturing a plurality of reinforced concrete prefabricated plates, wherein a transverse groove is formed in one side of a long edge of each reinforced concrete prefabricated plate, a transverse convex strip is arranged on the other side of the long edge, an arc-shaped convex strip is arranged on the front side of each transverse convex strip, and an arc-shaped groove matched with each arc-shaped convex strip is formed in the bottom of each transverse groove; the upper part of the transverse convex strip is provided with a plurality of vertical convex columns, and the outer side of the upper plate of the transverse groove is provided with a plurality of horizontal convex columns;
step [2] inserting and lapping the transverse convex strips of each reinforced concrete and the transverse grooves of the adjacent reinforced concrete precast slabs, and matching the corresponding arc convex strips and the corresponding arc grooves; a vertical hinge joint gap is formed between the upper plate block of the transverse groove and one side of the long edge of the adjacent reinforced concrete precast slab, and a horizontal hinge joint gap is formed between the upper plate block of the transverse groove and the transverse convex strip; the vertical convex column is positioned in the horizontal hinge joint gap, and the horizontal convex column is positioned in the vertical hinge joint gap;
and (3) firstly pouring micro-expansion concrete into the horizontal hinge joint gap, and pouring the micro-expansion concrete into the vertical hinge joint gap after the micro-expansion concrete is fully expanded and cured to carry out hinge joint sealing treatment.
Furthermore, a fillet transition is formed between the bottom surface of the upper plate of the transverse groove and the side surface of the long side, and the radius of the fillet is 15-20 mm.
Furthermore, the bottom surface of the upper plate is an inclined plane with a higher left side and a lower right side, and an included angle between the inclined plane and the horizontal plane is 5 degrees.
The invention has the following positive effects: compared with the prior art, the invention effectively solves the problem that the existing concrete hinge joint is easy to damage and fall off, prolongs the damage period of the concrete hinge joint and effectively reduces the workload of later maintenance by respectively and sequentially filling micro-expansion concrete in the arc-shaped convex strip, the arc-shaped groove, the fillet transition at the inner side of the hinge joint, the vertical convex column, the horizontal hinge joint gap and the vertical hinge joint gap.
Drawings
FIG. 1 is a schematic structural view in front elevation of the reinforced concrete precast slab;
FIG. 2 is a schematic perspective view illustrating the construction of the reinforced concrete precast slab;
FIG. 3 is a schematic perspective view of different angles of the reinforced concrete precast slab;
fig. 4 is a schematic view of the connection structure of the reinforced concrete precast slab.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, a preferred embodiment of the present invention provides an assembly type reinforced concrete simple-supported slab bridge hinge joint, including a plurality of reinforced concrete precast slabs 1, wherein one side of a long side of each reinforced concrete precast slab 1 is provided with a transverse groove 3, the other side of the long side is provided with a transverse convex strip 2 inserted into the transverse groove 3 of an adjacent concrete precast slab, an upper slab 6 of the transverse groove 3 forms a vertical hinge joint gap 10 with one side of the long side of the adjacent reinforced concrete precast slab, a horizontal hinge joint gap 9 with the transverse convex strip is formed, the front side of the transverse convex strip 2 is provided with an arc convex strip 4, and the bottom of the transverse groove is provided with an arc groove 8 matched with the arc convex strip; the upper portion of the transverse convex strip is provided with a plurality of vertical convex columns 5 in horizontal hinge joint gaps, the outer side of an upper plate of the transverse groove is provided with a plurality of horizontal convex columns 7 in the vertical hinge joint gaps, and micro-expansion concrete is filled in the horizontal hinge joint gaps and the vertical hinge joint gaps in sequence.
In this embodiment, a rounded corner is formed between the bottom surface and the long side surface of the upper plate of the transverse groove (i.e. the lower right corner of the upper plate 6 in fig. 1), and the radius of the rounded corner is 118 mm.
In this embodiment, the bottom surface of the upper plate is an inclined surface with a height from left to right, and the included angle between the inclined surface and the horizontal plane is 5 degrees.
The embodiment also provides a construction method of the hinge joint of the assembly type reinforced concrete simply supported slab bridge, which comprises the following steps:
step [1] manufacturing a plurality of reinforced concrete prefabricated plates, wherein a transverse groove is formed in one side of a long edge of each reinforced concrete prefabricated plate, a transverse convex strip is arranged on the other side of the long edge, an arc-shaped convex strip is arranged on the front side of each transverse convex strip, and an arc-shaped groove matched with each arc-shaped convex strip is formed in the bottom of each transverse groove; the upper part of the transverse convex strip is provided with a plurality of vertical convex columns, and the outer side of the upper plate of the transverse groove is provided with a plurality of horizontal convex columns;
step [2] inserting and lapping the transverse convex strips of each reinforced concrete and the transverse grooves of the adjacent reinforced concrete precast slabs, and matching the corresponding arc convex strips and the corresponding arc grooves; a vertical hinge joint gap is formed between the upper plate block of the transverse groove and one side of the long edge of the adjacent reinforced concrete precast slab, and a horizontal hinge joint gap is formed between the upper plate block of the transverse groove and the transverse convex strip; the vertical convex column is positioned in the horizontal hinge joint gap, and the horizontal convex column is positioned in the vertical hinge joint gap;
and (3) firstly pouring micro-expansion concrete into the horizontal hinge joint gap, and pouring the micro-expansion concrete into the vertical hinge joint gap after the micro-expansion concrete is fully expanded and cured to carry out hinge joint sealing treatment.
According to the invention, through the mode that the arc-shaped convex strips and the arc-shaped grooves, the fillet transition at the inner side of the hinge joint, the vertical convex columns and the horizontal convex columns, the horizontal hinge joint gaps and the vertical hinge joint gaps are respectively and sequentially filled with micro-expansion concrete, the problem that the existing concrete hinge joint is easy to damage and fall is effectively solved, the damage period of the concrete hinge joint is prolonged, and the workload of later maintenance is effectively reduced.
The above embodiments are only preferred embodiments of the present invention, and it should be understood that the above embodiments are only for assisting understanding of the method and the core idea of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalents and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides an assembled reinforced concrete simple-supported slab bridge hinge joint, includes a plurality of reinforced concrete prefabricated slabs, the long limit one side of reinforced concrete prefabricated slab is equipped with horizontal recess, and the opposite side on long limit is equipped with the horizontal sand grip of inserting the horizontal recess of adjacent concrete prefabricated slab, forms vertical hinge joint space between the upper portion plate of horizontal recess and the long limit one side of adjacent reinforced concrete prefabricated slab, forms horizontal hinge joint space, its characterized in that with horizontal sand grip: the front side of the transverse convex strip is provided with an arc convex strip, and the bottom of the transverse groove is provided with an arc groove matched with the arc convex strip; the upper part of the transverse convex strip is provided with a plurality of vertical convex columns in horizontal hinge joint gaps, the outer side of an upper plate of the transverse groove is provided with a plurality of horizontal convex columns in vertical hinge joint gaps, and micro-expansion concrete is sequentially filled in the horizontal hinge joint gaps and the vertical hinge joint gaps;
the bottom surface of the upper plate of the transverse groove and the side surface of the long edge are in fillet transition, and the radius of each fillet is 15-20 mm;
the bottom surface of the upper plate is an inclined plane with a higher left side and a lower right side, and an included angle between the inclined plane and the horizontal plane is 5 degrees.
2. The construction method of the hinge joint of the assembly type reinforced concrete simple supported slab bridge according to claim 1 is characterized by comprising the following steps of:
step [1] manufacturing a plurality of reinforced concrete prefabricated plates, wherein a transverse groove is formed in one side of a long edge of each reinforced concrete prefabricated plate, a transverse convex strip is arranged on the other side of the long edge, an arc-shaped convex strip is arranged on the front side of each transverse convex strip, and an arc-shaped groove matched with each arc-shaped convex strip is formed in the bottom of each transverse groove; the upper part of the transverse convex strip is provided with a plurality of vertical convex columns, and the outer side of the upper plate of the transverse groove is provided with a plurality of horizontal convex columns;
step [2] inserting and lapping the transverse convex strips of each reinforced concrete and the transverse grooves of the adjacent reinforced concrete precast slabs, and matching the corresponding arc convex strips and the corresponding arc grooves; a vertical hinge joint gap is formed between the upper plate block of the transverse groove and one side of the long edge of the adjacent reinforced concrete precast slab, and a horizontal hinge joint gap is formed between the upper plate block of the transverse groove and the transverse convex strip; the vertical convex column is positioned in the horizontal hinge joint gap, and the horizontal convex column is positioned in the vertical hinge joint gap; the bottom surface of the upper plate is an inclined plane with a higher left part and a lower right part, and an included angle between the inclined plane and the horizontal plane is 5 degrees;
and (3) firstly pouring micro-expansion concrete into the horizontal hinge joint gap, and pouring the micro-expansion concrete into the vertical hinge joint gap after the micro-expansion concrete is fully expanded and cured to carry out hinge joint sealing treatment.
3. The construction method of the hinge joint of the assembled reinforced concrete simple supported slab bridge according to claim 2, characterized in that: the bottom surface and the long side of the upper plate of the transverse groove are in fillet transition, and the radius of each fillet is 15-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194086.4A CN108360377B (en) | 2018-03-09 | 2018-03-09 | Fabricated reinforced concrete simply-supported slab bridge hinge joint and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194086.4A CN108360377B (en) | 2018-03-09 | 2018-03-09 | Fabricated reinforced concrete simply-supported slab bridge hinge joint and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360377A CN108360377A (en) | 2018-08-03 |
| CN108360377B true CN108360377B (en) | 2020-09-29 |
Family
ID=63003565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194086.4A Expired - Fee Related CN108360377B (en) | 2018-03-09 | 2018-03-09 | Fabricated reinforced concrete simply-supported slab bridge hinge joint and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360377B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113684751B (en) * | 2021-08-16 | 2022-12-30 | 北京市市政一建设工程有限责任公司 | Prefabricated bridge and construction process thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2736668B1 (en) * | 1995-07-13 | 1997-08-14 | Est Centre Tech Equip | DEVICE AND METHODS FOR ASSEMBLING PREFABRICATED COATED BEAMS FOR CIVIL ENGINEERED FLOORS OR WORKS OF ART |
| CN201367673Y (en) * | 2009-02-24 | 2009-12-23 | 上海新昕板材有限公司 | Self-locking tongued and grooved coreboard |
| CN102733299B (en) * | 2012-07-13 | 2015-09-09 | 福州大学 | A kind of assembled steel reinforced concrete Supported Slab Bridge hinge seam and construction method thereof |
| CN203530840U (en) * | 2013-10-15 | 2014-04-09 | 福州大学 | Hinged seam structure with hole-formed steel plate |
| CN203947410U (en) * | 2014-06-12 | 2014-11-19 | 吴江市明港道桥工程有限公司 | A kind of concrete plate beam hinge seam structure |
| CN105603860B (en) * | 2016-02-19 | 2017-05-03 | 河南省交通规划设计研究院股份有限公司 | Prefabricated T beam and construction method |
-
2018
- 2018-03-09 CN CN201810194086.4A patent/CN108360377B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108360377A (en) | 2018-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107387117A (en) | A kind of prefabricated assembled tunnel structure in tunnel bottom and its construction method | |
| CN105603860A (en) | Prefabricated T beam and construction method | |
| CN102808465A (en) | Assembly connecting structure and assembly connecting method of assembled concrete frame and shear wall combination | |
| CN109457801B (en) | Connecting node of prefabricated reinforced concrete beam and construction method thereof | |
| CN205474784U (en) | Prefabricated T roof beam | |
| CN211848855U (en) | Novel swift formula modularization decking seam structure | |
| CN103938533A (en) | Simple-supported continuous structure and construction method thereof | |
| CN104763085A (en) | Assembled integral type pre-stress double-T floor framework structure and construction method thereof | |
| CN108360377B (en) | Fabricated reinforced concrete simply-supported slab bridge hinge joint and construction method thereof | |
| CN104032855B (en) | Assembled cross mixing coupled wall and construction method thereof | |
| CN108660902A (en) | A kind of Railway Prestressed Concrete continuous bridge of precast segment pin-connected panel | |
| CN210622306U (en) | Assembly type floor post-cast strip template splicing structure | |
| CN208917655U (en) | A kind of Railway Prestressed Concrete continuous bridge of precast segment pin-connected panel | |
| CN204212043U (en) | Prefabricated ultra-high performance concrete π ellbeam unit | |
| CN105350447A (en) | Bottom plate connecting structure for precast segmental concrete bridge and construction method thereof | |
| CN206503063U (en) | Prefabricated assembled Wavelike steel webplate T beam bridges | |
| CN205205647U (en) | Prefabricated segment formula concrete bridge's bottom plate joint construction | |
| CN202830739U (en) | Frame bridge inducing joint structure | |
| CN210049373U (en) | Assembly type I-steel composite floor slab mounting structure | |
| CN108266036B (en) | Construction method of concrete silo roof plate structure | |
| CN104032859B (en) | Assembled L-shaped mixing coupled wall and construction method thereof | |
| CN203905215U (en) | Assembled type steel beam joint straight-line-shaped blend coupled wall | |
| CN104047380B (en) | Assembled girder steel seam T-shaped mixing coupled wall and construction method thereof | |
| CN103572891A (en) | Prefabricated channel plate | |
| CN206220355U (en) | A kind of long-span beams structure of use UHPC materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |