CN104594188A - Composite pavement and bridge connection transition structure and constructing process thereof - Google Patents
Composite pavement and bridge connection transition structure and constructing process thereof Download PDFInfo
- Publication number
- CN104594188A CN104594188A CN201410816872.5A CN201410816872A CN104594188A CN 104594188 A CN104594188 A CN 104594188A CN 201410816872 A CN201410816872 A CN 201410816872A CN 104594188 A CN104594188 A CN 104594188A
- Authority
- CN
- China
- Prior art keywords
- prestressed concrete
- shrinkage joint
- parados
- bracket
- plate
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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.)
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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
- 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
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- 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 discloses a composite pavement and bridge connection transition structure and constructing process thereof. The composite pavement and bridge connection transition structure comprises a bridge abutment, a plate girder, a base layer, a back wall, an inclined prestressed concrete slab and a roadbed, wherein the roadbed is in contact with the lateral side of the bridge abutment, the end of the plate girder and the back wall are arranged at the top of the bridge abutment, a cold expansion and cold contraction reserved groove is reserved between one side of the back wall and the end of the plate girder, and the other side of the back wall extends outwards to form a bracket. The lateral side of the roadbed is in contact with the lateral side of the bridge abutment, the lateral side of the back wall and the bottom surface of the bracket, the base layer is arranged on the roadbed, and the outer side of the bracket is in contact with the lateral side of the base layer. The bottom surface of the inclined prestressed concrete slab is in contact with the upper surface of the back wall, the upper surface of the bracket and the upper surface of the base layer, the inclined prestressed concrete slab is of a step structure, a first asphalt layer is laid on the upper surface of the inclined prestressed concrete slab, and a concrete layer and a second asphalt layer are sequentially laid on the upper surface of the plate girder. The composite pavement and bridge connection transition structure can effectively avoid bump at bridge head and is long in service life.
Description
Technical field
The invention belongs to highway construction bumping at bridge-head control Treating technology field, relate to and to connect with bridge transition structure and construction technology thereof with a kind of composite pavement.
Background technology
Along with improving constantly of road quality classification, in order to improve linear ride comfort, the ratio of building of the structures such as bridge, culvert and passage is also increasing.At the platform back of the body place of these structures due to traffic load and Gravitative Loads, cause the sedimentation of the sedimentation of structure and the platform back of the body inconsistent, thus cause the vehicle of running at high speed by producing chattering of jolting during road-bridge transition section.Vehicle bump at bridge ends is also ubiquitous problem in current highway construction, has had a strong impact on comfortableness and the safety of driving, has reduced the travel speed of vehicle and the traffic capacity of road.Meanwhile, the effect of the unfavorable dynamic load that produced by road-bridge transition section of vehicle and water-induced distress can accelerate the damage of abutment, bearing, shrinkage joint and road structure etc.
The Treatment Methods of current road-bridge transition section usually adopts and arranges transition slab at bridge head, transition slab at bridge head near platform end majority is laid in below bituminous concrete surface layer or flat road surface substrate top surface, the very fast pressure transmission of vehicular load is on roadbed, add that rainwater oozes from the shrinkage joint of joining place, cause filler soil erosion and make the excessive sedimentation of embankment, make brow plate emptying, attachment strap becomes curved pull-up structure, part of coming to nothing easily cracking, the secondary produced because attachment strap destroys jumps car phenomenon very generally, therefore does not also have highly effective bumping at bridge-head Treatment Methods at present.
Summary of the invention
The object of the invention is to the shortcoming overcoming above-mentioned prior art, provide a kind of composite pavement and to connect with bridge transition structure and construction technology thereof, this transition structure and construction technology thereof effectively can prevent bumping at bridge-head, and long service life.
For achieving the above object, the composite pavement of the present invention transition structure that connects with bridge comprises abutment, plate-girder, basic unit, parados, oblique prestressed concrete plate and roadbed;
Described roadbed contacts with the side of abutment, the top of abutment is located at by the end of plate-girder and parados, be reserved with shrinkage joint between the side of parados and the end of plate-girder and stay groove, the opposite side of parados is outward extended with bracket, the side of roadbed and the side of abutment, the side of parados and the bottom surface of bracket contact, basic unit is positioned on roadbed, and the outside of bracket contacts with the side of basic unit, the bottom surface of oblique prestressed concrete plate and the upper surface of parados, the upper surface of bracket and the upper surface of basic unit contact, oblique prestressed concrete plate is stepped ramp type structure, the upper surface of oblique prestressed concrete plate is equipped with the first bitumen layer, the upper surface of plate-girder is equipped with layer of concrete and the second bitumen layer successively, and the end face of the end face of layer of concrete and the second bitumen layer, the side on the first bitumen layer and oblique prestressed concrete plate top flushes, be reserved with shrinkage joint between second bitumen layer and the first bitumen layer and stay groove,
Described back of the body coping flushes with the top of bracket and the top of basic unit.
Also comprise some shrinkage joint embedded bar, one end of all shrinkage joint embedded bar is all embedded in oblique prestressed concrete plate, the other end all reaches outside the end face of oblique prestressed concrete plate, and each shrinkage joint embedded bar is two groups by length, wherein the length of each shrinkage joint embedded bar is 3m in first group, in second group, the length of each shrinkage joint embedded bar is 4m, and the shrinkage joint embedded bar in shrinkage joint embedded bar in first group and second group is alternately arranged mutually.
Described shrinkage joint stays the width of groove to be 6-7cm.
Connect with the bridge construction technology of transition structure of composite pavement of the present invention comprises the following steps:
1) roadbed is processed, and abutment of constructing, according to the thickness of road surface structare layer and the structure of design elevation acquisition parados, to construct on abutment again parados and bracket, then, in the top of roadbed construction basic unit, during construction, bracket top, back of the body coping and the top of basic unit are built and flushes;
2) plate-girder is set up on abutment, and oblique prestressed concrete plate of constructing on the top of parados, bracket and basic unit, during construction, shrinkage joint embedded bar is buried underground in oblique prestressed concrete plate, ledge structure is made in the end of oblique prestressed concrete plate simultaneously, stay groove as shrinkage joint, the width that described oblique prestressed concrete plate is topped bar and thickness stay the size of groove to determine according to shrinkage joint;
3) to construct the first bitumen layer at oblique prestressed concrete plate upper surface, and to construct successively layer of concrete and the second bitumen layer at the upper surface of plate-girder.
The present invention has following beneficial effect:
The composite pavement of the present invention transition structure and preparation method thereof that connects with bridge replaces transition slab at bridge head by oblique prestressed concrete plate, avoid producing because transition slab at bridge head destroys jumping car phenomenon, oblique prestressed concrete plate and plate-girder share a shrinkage joint and stay groove simultaneously, decrease the setting of end of the bridge place seam, be conducive to the draining at end of the bridge place, alleviate water to too low structural damage, do not need to limit the size of oblique prestressed concrete plate when laying, effectively alleviate the effect of end of the bridge place impact load, and the impermeability of self is good, the ability of resistance to deformation is strong, less demanding to roadbed, the subsidiary stress because relative settlement produces can be born, easy construction, it is a kind of structure of good endurance, reduce the cost of maintenance, improve the application life of bridge construction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1 for plate-girder, 2 for abutment, 3 be the first bitumen layer, 4 for oblique prestressed concrete plate, 5 for basic unit, 6 for shrinkage joint stay groove, 7 for roadbed, 8 for parados, 9 be bracket.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
With reference to figure 1, the composite pavement of the present invention transition structure that connects with bridge comprises abutment 2, plate-girder 1, basic unit 5, parados 8, oblique prestressed concrete plate 4 and roadbed 7, roadbed 7 contacts with the side of abutment 2, the top of abutment 2 is located at by the end of plate-girder 1 and parados 8, be reserved with shrinkage joint between the side of parados 8 and the end of plate-girder 1 and stay groove 6, the opposite side of parados 8 is outward extended with bracket 9, the side of roadbed 7 and the side of abutment 2, the side of parados 8 and the bottom surface of bracket 9 contact, basic unit 5 is positioned on roadbed 7, and the outside of bracket 9 contacts with the side of basic unit 5, the bottom surface of oblique prestressed concrete plate 4 and the upper surface of parados 8, the upper surface of bracket 9 and the upper surface of basic unit 5 contact, oblique prestressed concrete plate 4 is stepped ramp type structure, the upper surface of oblique prestressed concrete plate 4 is equipped with the first bitumen layer 3, the upper surface of plate-girder 1 is equipped with layer of concrete and the second bitumen layer successively, and the end face of the end face of layer of concrete and the second bitumen layer, first bitumen layer 3 flushes with the side on oblique prestressed concrete plate 4 top, be reserved with shrinkage joint between second bitumen layer and the first bitumen layer 3 and stay groove 6, the top of parados 8 flushes with the top of the top of bracket 9 and basic unit 5.
It should be noted that, the present invention also comprises some shrinkage joint embedded bar, one end of all shrinkage joint embedded bar is all embedded in oblique prestressed concrete plate 4, the other end all reaches outside the end face of oblique prestressed concrete plate 4, and each shrinkage joint embedded bar is two groups by length, wherein the length of each shrinkage joint embedded bar is 3m in first group, in second group, the length of each shrinkage joint embedded bar is 4m, and the shrinkage joint embedded bar in shrinkage joint embedded bar in first group and second group is alternately arranged mutually, shrinkage joint stays the width of groove 6 to be 6-7cm.
Connect with the bridge construction technology of transition structure of composite pavement of the present invention comprises the following steps:
1) roadbed 7 is processed, and abutment 2 of constructing, according to the thickness of road surface structare layer and the structure of design elevation acquisition parados 8, to construct on abutment 2 again parados 8 and bracket 9, then in the top of roadbed 7 construction basic unit 5, during construction, the top of bracket 9 top, parados 8 and the top of basic unit 5 are built and flushes;
2) plate-girder 1 is set up on abutment 2, and oblique prestressed concrete plate 4 of constructing on the top of parados 8, bracket 9 and basic unit 5, during construction, shrinkage joint embedded bar is buried underground in oblique prestressed concrete plate 4, ledge structure is made in the end of oblique prestressed concrete plate 4 simultaneously, stay groove 6 as shrinkage joint, the width that described oblique prestressed concrete plate 4 is topped bar and thickness stay the size of groove 6 to determine according to shrinkage joint;
3) to construct the first bitumen layer 3 at oblique prestressed concrete plate 4 upper surface, and to construct successively layer of concrete and the second bitumen layer at the upper surface of plate-girder 1.
Claims (4)
1. a composite pavement connects with bridge transition structure, it is characterized in that, comprise abutment (2), plate-girder (1), basic unit (5), parados (8), oblique prestressed concrete plate (4) and roadbed (7);
Described roadbed (7) contacts with the side of abutment (2), abutment (the top of 2 is located at by end and the parados (8) of plate-girder (1), be reserved with shrinkage joint between the side of parados (8) and the end of plate-girder (1) and stay groove (6), the opposite side of parados (8) is outward extended with bracket (9), the side of roadbed (7) and the side of abutment (2), the side of parados (8) and the bottom surface of bracket (9) contact, basic unit (5) is positioned on roadbed (7), and the outside of bracket (9) contacts with the side of basic unit (5), the bottom surface of oblique prestressed concrete plate (4) and the upper surface of parados (8), the upper surface of bracket (9) and the upper surface of basic unit (5) contact, oblique prestressed concrete plate (4) is stepped ramp type structure, the upper surface of oblique prestressed concrete plate (4) is equipped with the first bitumen layer (3), the upper surface of plate-girder (1) is equipped with layer of concrete and the second bitumen layer successively, and the end face of the end face of layer of concrete and the second bitumen layer, first bitumen layer (3) flushes with the side on oblique prestressed concrete plate (4) top, be reserved with shrinkage joint between second bitumen layer and the first bitumen layer (3) and stay groove (6),
The top of described parados (8) flushes with the top of the top of bracket (9) and basic unit (5).
2. composite pavement according to claim 1 connects with bridge transition structure, it is characterized in that, also comprise some shrinkage joint embedded bar, one end of all shrinkage joint embedded bar is all embedded in oblique prestressed concrete plate (4), the other end all reaches outside the end face of oblique prestressed concrete plate (4), and each shrinkage joint embedded bar is two groups by length, wherein the length of each shrinkage joint embedded bar is 3m in first group, in second group, the length of each shrinkage joint embedded bar is 4m, and the shrinkage joint embedded bar in shrinkage joint embedded bar in first group and second group is alternately arranged mutually.
3. composite pavement according to claim 1 connects with bridge transition structure, and it is characterized in that, described shrinkage joint stays the width of groove (6) to be 6-7cm.
4. composite pavement connects with bridge a construction technology for transition structure, it is characterized in that, to connect transition structure, comprise the following steps based on composite pavement according to claim 2 with bridge:
1) roadbed (7) is processed, and abutment of constructing (2), according to the thickness of road surface structare layer and the structure of design elevation acquisition parados (8), to construct on abutment (2) again parados (8) and bracket (9), then on the top of roadbed (7) construction basic unit (5), during construction, the top of bracket (9) top, parados (8) and the top of basic unit (5) are built and flushes;
2) plate-girder (1) is set up on abutment (2), and oblique prestressed concrete plate (4) of constructing on the top of parados (8), bracket (9) and basic unit (5), during construction, shrinkage joint embedded bar is buried underground in oblique prestressed concrete plate (4), ledge structure is made in the end of oblique prestressed concrete plate (4) simultaneously, stay groove (6) as shrinkage joint, the width that described oblique prestressed concrete plate (4) is topped bar and thickness stay the size of groove (6) to determine according to shrinkage joint;
3) to construct the first bitumen layer (3) at oblique prestressed concrete plate (4) upper surface, and to construct successively layer of concrete and the second bitumen layer at the upper surface of plate-girder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816872.5A CN104594188B (en) | 2014-12-24 | 2014-12-24 | Composite pavement and bridge connection transition structure and constructing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816872.5A CN104594188B (en) | 2014-12-24 | 2014-12-24 | Composite pavement and bridge connection transition structure and constructing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594188A true CN104594188A (en) | 2015-05-06 |
| CN104594188B CN104594188B (en) | 2017-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410816872.5A Expired - Fee Related CN104594188B (en) | 2014-12-24 | 2014-12-24 | Composite pavement and bridge connection transition structure and constructing process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104594188B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371819A (en) * | 2018-12-12 | 2019-02-22 | 张立辉 | A kind of processing unit and method of existing vehicle jumping at bridge head of highway |
| CN113863122A (en) * | 2021-10-21 | 2021-12-31 | 中铁大桥勘测设计院集团有限公司 | Multipurpose main tower crossbeam structure and bridge |
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2014
- 2014-12-24 CN CN201410816872.5A patent/CN104594188B/en not_active Expired - Fee Related
Patent Citations (5)
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| JP2009167596A (en) * | 2008-01-10 | 2009-07-30 | Central Nippon Expressway Co Ltd | Pavement structure of composite pavement |
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| CN203639813U (en) * | 2013-11-11 | 2014-06-11 | 上海应用技术学院 | Hidden type bridge expansion joint structure |
| CN103628376A (en) * | 2013-11-20 | 2014-03-12 | 长安大学 | Bridgehead vehicle bumping prevention structure based on concrete composite pavement and laying method thereof |
| CN204401452U (en) * | 2014-12-24 | 2015-06-17 | 长安大学 | Oblique prestressed concrete composite pavement connects with bridge transition structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371819A (en) * | 2018-12-12 | 2019-02-22 | 张立辉 | A kind of processing unit and method of existing vehicle jumping at bridge head of highway |
| CN109371819B (en) * | 2018-12-12 | 2019-09-17 | 张立辉 | A kind of processing unit and method of existing vehicle jumping at bridge head of highway |
| CN113863122A (en) * | 2021-10-21 | 2021-12-31 | 中铁大桥勘测设计院集团有限公司 | Multipurpose main tower crossbeam structure and bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104594188B (en) | 2017-01-18 |
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Granted publication date: 20170118 Termination date: 20191224 |