CN210315263U - Bridge width splicing self-adaptive seam system - Google Patents
Bridge width splicing self-adaptive seam system Download PDFInfo
- Publication number
- CN210315263U CN210315263U CN201920842694.1U CN201920842694U CN210315263U CN 210315263 U CN210315263 U CN 210315263U CN 201920842694 U CN201920842694 U CN 201920842694U CN 210315263 U CN210315263 U CN 210315263U
- Authority
- CN
- China
- Prior art keywords
- bridge
- new
- pavement layer
- gap
- old
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge piece-wide self-adaptation seam system, including old bridge, new bridge, concatenation gap, new bridge deck pavement layer and along the length direction interval arrangement's of concatenation gap many X hinge type muscle, carry out the transverse connection through the concatenation gap between old bridge and the new bridge, new bridge deck pavement layer is laid in new bridge, concatenation gap and the top of old bridge; the intersection point of the X-shaped hinge type ribs is vertically aligned with the central line of the splicing gap, the upper ends of the two sides are respectively welded to the horizontal reinforcing steel bars in the new bridge deck pavement layer, the lower end of one side is welded to the horizontal reinforcing steel bars on the top layer of the flange plate of the old bridge, and the lower end of the other side is welded to the horizontal reinforcing steel bars on the top layer of the flange plate of the new bridge. The utility model discloses the horizontal bridge that produces when new bridge, old bridge concatenation are adjusted to the self-adaptation is to the discrepancy in elevation, improves bridge floor driving travelling comfort and concatenation gap department durability of mating formation.
Description
Technical Field
The utility model belongs to the technical field of the building engineering construction, concretely relates to be used for self-adaptation to piece together wide back bridge horizontal bridge to wide self-adaptation seam system to bridge of difference in height.
Background
In recent years, with the high-speed development of urban economy and traffic industry, higher requirements are put forward on the existing traffic basic equipment, particularly the existing bridges, in order to meet the increasing traffic demand, two solutions are mainly provided, namely, a new line is built, the original line is widened and rebuilt, the new line is built, the traffic capacity is improved due to the fact that the new line is high in cost, construction period and traffic is blocked, the new line is urgently required to be rebuilt and expanded, the existing four lanes are widened into six lanes or eight lanes, the traffic capacity is improved, the modern highway occupies a large proportion, the bridge widening has the characteristics of complex technology, high implementation difficulty and large influence on the existing traffic, the bridge widening design becomes the key point of the highway rebuilding and expanding engineering, the existing common bridge widening and splicing methods are three, namely ① new bridges, upper structures and lower structures of old bridges are not connected, ② upper structures and lower structures of new bridges are connected, ③ upper structures and lower structures of new bridges are not connected, and lower structures of old bridges are connected, and ③ splicing methods are adopted at present.
When the splicing method ③ is used for splicing a new bridge and an old bridge, the old bridge has been operated for a long time, the concrete shrinkage deformation of the main beam of the old bridge is finished and tends to be stable, and the main beam of the new bridge generates shrinkage deformation in the longitudinal bridge direction under the long-term load action, particularly under the concrete shrinkage action, on the other hand, the existence of the longitudinal bridge direction concrete splicing width connecting piece enables the shrinkage deformation in the longitudinal bridge direction of the main beam of the new bridge to be restrained by the main beam of the old bridge, and under the difference action of the shrinkage deformation of the new concrete and the old concrete, the spliced integral structure generates transverse bridge direction bending deformation, and the new bridge and the old bridge generate height difference in the transverse bridge direction, generate shearing, and influence the normal use of the bridge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wide self-adaptation seam system is pieced together to bridge for solve among the prior art new bridge, old bridge piece together the problem of the horizontal bridge of wide in-process production to the difference in height, the horizontal bridge that produces when self-adaptation adjustment new bridge, old bridge splice promotes to piece together wide back bridge overall structure's intensity, improves bridge floor driving travelling comfort and concatenation gap department durability of mating formation.
In order to realize the technical purpose, the utility model provides a following technical scheme realizes:
a bridge widening self-adaptive seam system comprises an old bridge, a new bridge and a splicing gap, wherein the old bridge and the new bridge are transversely connected through the splicing gap, and the bridge widening self-adaptive seam system is characterized by further comprising a new bridge surface pavement layer and a plurality of X-shaped hinged ribs which are arranged at intervals along the length direction of the splicing gap; the new bridge deck pavement layer is laid above the new bridge, the splicing gap and the old bridge; the cross points of the X-shaped hinged ribs are vertically aligned with the central line of the splicing gap, the upper ends of the two sides of the X-shaped hinged ribs are respectively welded to the horizontal reinforcing steel bars in the new bridge deck pavement layer, the lower end of one side of the X-shaped hinged ribs is welded to the horizontal reinforcing steel bars on the top layer of the flange plate of the old bridge, and the lower end of the other side of the X-shaped hinged ribs is welded to the horizontal reinforcing steel bars on the.
The bridge widening self-adaptive seam system further comprises a T-shaped seam crossing plate arranged at the splicing gap and positioned below the X-hinged ribs, wherein the T-shaped seam crossing plate comprises a transverse plate and a vertical plate vertically butted on one surface of the transverse plate, one end of the transverse plate is connected with the transverse steel bars on the flange plate top layer of the old bridge, the other end of the transverse plate is connected with the transverse steel bars on the flange plate top layer of the new bridge, and the vertical plate is positioned between the splicing gaps.
The bridge width splicing self-adaptive seam system further comprises a sponge body, wherein the vertical plate is partially or completely embedded into the sponge body, and the splicing gap is filled with the sponge body in the transverse direction.
According to the bridge widening self-adaptive seam system, the transverse plate and the vertical plate of the T-shaped seam crossing plate are both made of stainless steel structures.
According to the bridge widening self-adaptive joint system, the T-shaped seam crossing plate is integrally formed or formed by welding the transverse plate and the vertical plate.
The bridge widening self-adaptive joint system further comprises an asphalt pavement layer paved above the new bridge deck pavement layer.
The bridge widening adaptive joint system further comprises a TST bridge joint elastoplast body, wherein the asphalt pavement layer comprises a first asphalt pavement layer corresponding to the old bridge and a second asphalt pavement layer corresponding to the new bridge, and the TST bridge joint elastoplast body is filled in a gap between the first asphalt pavement layer and the second asphalt pavement layer, wherein the central line of the gap is aligned with the central line of the splicing welding line.
According to the bridge widening self-adaptive seam system, the new bridge deck pavement layer is made of concrete with a waterproof function.
Compared with the prior art, the utility model discloses wide self-adaptation seam system is pieced together to bridge has following advantage and beneficial effect: a plurality of X-shaped hinged ribs are arranged above the splicing gap of the new bridge and the old bridge at intervals along the length direction, the lower ends of two sides of each X-shaped hinged rib are respectively welded with the transverse reinforcing steel bar at the top layer of the flange plate of the old bridge and the transverse reinforcing steel bar at the top layer of the flange plate of the new bridge, the upper ends of two sides of each X-shaped hinged rib are respectively welded with the transverse reinforcing steel bar in the pavement layer of the new bridge deck, the X-shaped hinged ribs connect the main beam of the new bridge and the main beam of the old bridge into a whole and can adapt to the rotation deformation between the main beam of the new bridge and the main beam of the old bridge, the height difference generated by the transverse bridge bending deformation of the whole structure after width splicing; the construction process is simple, the construction and construction cost is reduced, and the construction period is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of one embodiment of the bridge widening adaptive joint system of the present invention;
FIG. 2 is an enlarged view of portion A of the embodiment of the bridge widening adaptive joint system shown in FIG. 1;
FIG. 3 is a block diagram of a T-shaped cross-slot plate in the embodiment of the bridge widening adaptive seam system shown in FIG. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In order to adapt to the height difference generated in the transverse bridge direction after the new bridge and the old bridge are widened, please refer to fig. 1 and fig. 2, the embodiment relates to a bridge widening adaptive seam system, which comprises an old bridge 10, a new bridge 20 and a splicing gap, wherein the width of the splicing gap is d, the old bridge 10 and the new bridge 20 are transversely connected through the splicing gap, as shown in fig. 1, the bridge widening adaptive seam system further comprises a new bridge deck pavement layer 40 and a plurality of X-hinge type ribs 30 arranged at intervals along the length direction of the splicing gap; the intersection point of the X-shaped hinge rib 30 is vertically aligned with the center line of the splicing gap, the upper end of one side is welded to the transverse steel bar 41 in the new bridge deck pavement layer 40, the lower end is welded to the transverse steel bar on the top layer of the flange plate 11 of the old bridge, the upper end of the other side is welded to the transverse steel bar 42 in the new bridge deck pavement layer 40, and the lower end is welded to the transverse steel bar on the top layer of the flange plate 21 of the new bridge.
Specifically, referring to fig. 1-3, fig. 1 illustrates the bridge splicing construction 100, and for clarity of illustrating the arrangement of the X-hinge type ribs 30, the X-hinge type ribs 30 within the construction 100 are shown with dashed lines. Have horizontal concatenation gap between old bridge 10 and the new bridge 20, fig. 2 shows the width d of concatenation gap, old bridge 10 includes old bridge flange board 11 and pours at the outside concrete protective layer 12 of old bridge flange board 11, new bridge 20 includes new bridge flange board 21 and pours at the outside concrete protective layer 22 of new bridge flange board 21, after welding X hinge type muscle 30, pour new deck pavement layer 40 in X hinge type muscle 30 top. As shown in fig. 2, the X-shaped ribs 30 are disposed above the splicing gap and the intersection points thereof are aligned with the longitudinal center line of the splicing gap up and down, a plurality of X-shaped ribs 30 are disposed at intervals along the length direction of the splicing gap, each X-shaped rib 30 has the same structure and arrangement, the X-shaped ribs 30 are divided into two sides with the intersection points as the center, the upper end of one side is welded to a part of the transverse reinforcing bars 41 in the new bridge deck pavement layer 40, the lower end is welded to the transverse reinforcing bars on the top layer of the old bridge deck flange plate 11, the upper end of the other side is welded to a part of the transverse reinforcing bars 41 in the new bridge deck pavement layer 40, the lower end is welded to the transverse reinforcing bars on the top layer of the new bridge deck flange plate 21, the X-shaped ribs 30, the transverse reinforcing bars 41 in the new bridge deck layer 40, the transverse reinforcing bars on the top layer of the old bridge deck flange plate 11 and the hinge-shaped structure formed by the transverse reinforcing bars on the top layer of the, reduce the displacement of old bridge and new bridge upwards producing at the horizontal bridge, promote to piece together wide back bridge overall structure's intensity, improve bridge floor driving travelling comfort and splice gap department durability of mating formation.
In order to enhance the waterproof function at the joint gap and prevent water from seeping downwards from the bridge deck through the joint gap after the new bridge deck pavement layer 40 cracks, as shown in fig. 2 and 3, a T-shaped joint-spanning plate 50 is arranged at the joint gap, the T-shaped joint-spanning plate 50 is located below the X-hinged rib 30 and comprises a transverse plate 51 and a vertical plate 52 vertically butted on the lower surface of the transverse plate 51, preferably, the vertical plate 52 is vertically aligned with the center line of the joint gap, that is, the vertical plate 51 is located at the middle position of the joint gap and is perpendicular to the center line of the joint gap, one end of the transverse plate 51 is connected to the transverse steel bar at the top layer of the flange plate 11 of the old bridge by welding, for example, and the other end is connected to the transverse steel bar at the. Further, under the long-term load effect, the concrete of old bridge girder and the concrete longitudinal bridge of new bridge girder warp to the shrink, overall structure after the concatenation is wide produces horizontal bridge to bending deformation, new bridge, old bridge produce the difference in height at the horizontal bridge, can lead to the T type to stride the horizontal board 51 slope of seam board 50, through the downward infiltration of concatenation gap and stride seam board 50 and bridge flange board 11 and 21 at the T type between not hard up gap that produces continue water infiltration concatenation gap, be provided with cavernosum 60 in the concatenation gap, this cavernosum 60 is in this concatenation gap of horizontal direction filling and vertical board 51 partly or whole embedding cavernosum 60, realize concatenation gap department waterproof function, and the stress concentration problem that the inhomogeneous deformation leads to between the new and old bridge of surface leads to.
In the present embodiment, the T-shaped seam-spanning plate 50 may be integrally formed or welded by the transverse plate 51 and the vertical plate 52, and the T-shaped seam-spanning plate 50 is made of stainless steel. In the present embodiment, the new bridge deck pavement 40 is made of concrete with waterproof property.
The top asphalt pavement layer 70 is laid above the new bridge deck pavement layer 40, and in order to control the reflection cracks generated by the relative deformation of the old bridge 10 and the new bridge 20, as shown in fig. 1 and fig. 2, the asphalt pavement layer 70 comprises a first asphalt pavement layer 71 corresponding to the new bridge 20 and a second asphalt pavement layer 72 corresponding to the old bridge 10, a gap 73 is formed between the first asphalt pavement layer 71 and the second asphalt pavement layer 71, a TST bridge joint elastoplast body 80 is filled in the gap 73, and the longitudinal center line of the gap 73 is aligned with the longitudinal center line of a splicing gap welding line up and down, so that the problem that the traditional rigid connection is easy to generate the reflection cracks of the bridge deck is avoided, and the driving comfort of the bridge deck, the durability of the splicing gap and the attractiveness of the bridge deck are improved.
In this embodiment, the construction method of bridge widening is described as follows: (1) according to actual needs, marking out a corresponding chiseling line 13 on the old bridge deck pavement layer 12 close to the new bridge 20 to be spliced, chiseling a part 121 of the old bridge deck pavement layer above the old bridge flange plate 11 according to the chiseling line, and reserving a certain length of transverse steel bars on the top layer of the old bridge flange plate 11 for welding with the transverse steel bars on the top layer of the new bridge flange plate 21 to be spliced; (2) after the steel bars of the new bridge 20 are completely set and welded and are qualified through inspection, a template of the new bridge 20 is installed, and a section of transverse steel bars welded with the X-shaped hinge type steel bars 30 is reserved on the top layer of a flange plate 21 of the new bridge; (3) the lower end of one side of the X-shaped hinge rib 30 is welded to the top transverse steel bar of the flange plate 11 of the old bridge, and the lower end of the other side of the X-shaped hinge rib 30 is welded to the top transverse steel bar of the flange plate 21 of the new bridge; (4) beginning to pour concrete to form a concrete protective layer 22 outside the flange plate 21 of the new bridge; (5) erecting transverse reinforcing steel bars 41 in a new bridge deck pavement layer 40, respectively welding the upper ends of two sides of the X-shaped hinge ribs 30 to the transverse reinforcing steel bars 41, and pouring concrete to form a new bridge deck pavement layer 40 after welding is finished; (6) after the new bridge deck pavement layer 40 is maintained, a first asphalt pavement layer 71 and a second asphalt pavement layer 72 with gaps 73 corresponding to splicing welding seams are paved above the new bridge deck pavement layer 40; (6) the gap 73 is filled with a TST bridge joint elastoplast 80.
In this embodiment, the extent of the chiseling of the old bridge deck 12 should be determined according to the specific situation of each bridge.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A bridge widening self-adaptive seam system comprises an old bridge, a new bridge and a splicing gap, wherein the old bridge and the new bridge are transversely connected through the splicing gap, and the bridge widening self-adaptive seam system is characterized by further comprising a new bridge surface pavement layer and a plurality of X-shaped hinged ribs which are arranged at intervals along the length direction of the splicing gap; the new bridge deck pavement layer is laid above the new bridge, the splicing gap and the old bridge; the cross points of the X-shaped hinged ribs are vertically aligned with the central line of the splicing gap, the upper ends of the two sides of the X-shaped hinged ribs are respectively welded to the horizontal reinforcing steel bars in the new bridge deck pavement layer, the lower end of one side of the X-shaped hinged ribs is welded to the horizontal reinforcing steel bars on the top layer of the flange plate of the old bridge, and the lower end of the other side of the X-shaped hinged ribs is welded to the horizontal reinforcing steel bars on the.
2. The bridge widening self-adaptive seam system according to claim 1, further comprising a T-shaped seam crossing plate arranged at the splicing gap and located below the X-shaped hinge rib, wherein the T-shaped seam crossing plate comprises a transverse plate and a vertical plate vertically butted on one surface of the transverse plate, one end of the transverse plate is connected with the transverse rib on the top layer of the old bridge flange plate, the other end of the transverse plate is connected with the transverse rib on the top layer of the new bridge flange plate, and the vertical plate is located between the splicing gaps.
3. The bridge widening adaptive seam system according to claim 2, further comprising a sponge, wherein the vertical plate is partially or completely embedded in the sponge, and the splicing gap is filled with the sponge in the transverse direction.
4. The bridge widening adaptive seam system according to claim 2, wherein the transverse plates and the vertical plates of the T-shaped seam-spanning plates are both of stainless steel structure.
5. The bridge widening adaptive seam system according to claim 2, wherein the T-shaped seam-crossing plates are integrally formed or formed by welding of transverse plates and vertical plates.
6. The bridge widening adaptive seam system according to claim 1, further comprising an asphalt pavement layer laid over the new deck pavement layer.
7. The bridge widening adaptive seam system according to claim 6, further comprising a TST bridge seam elastomer, wherein the asphalt pavement layer comprises a first asphalt pavement layer corresponding to the old bridge and a second asphalt pavement layer corresponding to the new bridge, and the TST bridge seam elastomer fills a gap between the first asphalt pavement layer and the second asphalt pavement layer, wherein a center line of the gap is aligned with a center line of the splice gap.
8. The bridge widening adaptive joint system according to any one of claims 1 to 7, wherein the new deck pavement layer is made of concrete with a waterproof function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920842694.1U CN210315263U (en) | 2019-06-05 | 2019-06-05 | Bridge width splicing self-adaptive seam system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920842694.1U CN210315263U (en) | 2019-06-05 | 2019-06-05 | Bridge width splicing self-adaptive seam system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210315263U true CN210315263U (en) | 2020-04-14 |
Family
ID=70142142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920842694.1U Expired - Fee Related CN210315263U (en) | 2019-06-05 | 2019-06-05 | Bridge width splicing self-adaptive seam system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210315263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827149A (en) * | 2020-09-01 | 2020-10-27 | 浙江世润建创科技发展有限公司 | Bridge widening hinge structure and construction method |
| CN111893871A (en) * | 2020-07-27 | 2020-11-06 | 长江勘测规划设计研究有限责任公司 | Bridge beam body pavement surface layer continuous construction form and construction method thereof |
| CN114875804A (en) * | 2022-06-14 | 2022-08-09 | 保利长大工程有限公司 | Erection construction method for prefabricated box girder of spliced wide bridge |
-
2019
- 2019-06-05 CN CN201920842694.1U patent/CN210315263U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893871A (en) * | 2020-07-27 | 2020-11-06 | 长江勘测规划设计研究有限责任公司 | Bridge beam body pavement surface layer continuous construction form and construction method thereof |
| CN111827149A (en) * | 2020-09-01 | 2020-10-27 | 浙江世润建创科技发展有限公司 | Bridge widening hinge structure and construction method |
| CN111827149B (en) * | 2020-09-01 | 2022-01-28 | 浙江世润建创科技发展有限公司 | Bridge widening hinge structure and construction method |
| CN114875804A (en) * | 2022-06-14 | 2022-08-09 | 保利长大工程有限公司 | Erection construction method for prefabricated box girder of spliced wide bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210315263U (en) | Bridge width splicing self-adaptive seam system | |
| CN104562931B (en) | The seam bridge floor unit of tension without lateral surfaces, bridge structure and construction method thereof | |
| CN103938546B (en) | Simply supported non-uniform construction method | |
| CN108867310A (en) | The short rib T beam bridge of pretensioning prestressed concrete and its construction method | |
| CN102561169A (en) | Hollow slab bridge and construction method thereof | |
| CN109083003A (en) | A kind of precast pier pier top connection structure and its construction method | |
| CN110004791A (en) | A kind of prestressing without bondn assembled road and its construction method | |
| CN103556565A (en) | Connection construction for girders made of concrete with different performance | |
| CN109457568A (en) | A kind of beam prefabricated post-stressed assembly construction Craft of bilateral overlapping | |
| CN201865037U (en) | Assembly type hollow slab bridge transferring force by adopting bracket instead of ribbet | |
| CN212452316U (en) | Bridge with small box girders prefabricated in longitudinal sections | |
| CN107916625A (en) | A kind of widening structure and its method of width cantilever boxgirder | |
| CN101935977B (en) | Assembly type hollow slab bridge adopting bracket to replace ribbet to transmit force | |
| CN104032862B (en) | Assembled girder steel seam line L shape mixing coupled wall and construction method thereof | |
| CN202466390U (en) | Hollow slab bridge | |
| CN110258223A (en) | A kind of armored concrete box frame roadbed | |
| CN215482231U (en) | Assembled waffle bridge panel combination case roof beam structure | |
| CN105648898A (en) | Prefabricated ultra-high-performance concrete half-through beam units, bridge beam structure and construction method | |
| CN213772939U (en) | Assembled anticollision wall | |
| CN214831925U (en) | ECC material-based bridge wet joint structure with template | |
| CN210737255U (en) | Box frame and reinforced concrete box frame road bed for road bed | |
| CN112853916A (en) | Assembled waffle bridge panel combined box girder structure and construction method thereof | |
| CN209099157U (en) | A kind of precast pier pier top connection structure | |
| CN209836781U (en) | Connecting structure of precast concrete pier stud and bearing platform | |
| CN210481900U (en) | Vertical lattice type prefabricated assembly segment and high-speed railway foundation assembled by same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210605 |