CN113652953A - Novel assembled overline bridge ramp - Google Patents
Novel assembled overline bridge ramp Download PDFInfo
- Publication number
- CN113652953A CN113652953A CN202111018351.1A CN202111018351A CN113652953A CN 113652953 A CN113652953 A CN 113652953A CN 202111018351 A CN202111018351 A CN 202111018351A CN 113652953 A CN113652953 A CN 113652953A
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- girder
- main beam
- ramp
- overpass
- assembled
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- 239000004567 concrete Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 24
- 239000010959 steel Substances 0.000 abstract description 24
- 238000010276 construction Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
Abstract
The invention discloses a novel assembled overpass ramp, which comprises a ramp girder, a cross beam and a track plate, wherein the girder comprises a first girder and a second girder, the first girder and the second girder are arranged in parallel, girder node plates are arranged on the side walls of the first girder and the second girder, the cross beam is connected with the first girder and the second girder, and the track plate is a steel edge concrete precast block and is directly connected with a reserved bolt hole of the ramp girder or a main bridge deck cross beam through a bolt. The assembled overpass has the advantages that the components can be disassembled and assembled, the assembled overpass can be reused, the construction cost can be saved, the construction is rapid and convenient, and the influence on traffic is reduced.
Description
Technical Field
The invention relates to the field of road traffic facilities, in particular to a novel assembly type overpass ramp.
Background
The temporary overbridge is one of the precondition measures for implementing closed construction in subway construction engineering, and the construction speed and the quality performance of the temporary overbridge relate to the smooth promotion of subway construction. Compared with an urban permanent overpass, steel is cut in a steel factory before the construction of the temporary overpass, and is transported to a bridge site. When the overpass is built, the ground is poured to enlarge the foundation, the steel bars and the steel plates are embedded in the foundation, and then all the components of the overpass are welded with the embedded steel bars and the steel plates of the foundation, so that the integral overpass structure is formed. But has the following disadvantages: each component (especially ramp) of overline bridge can't reuse, if each component such as guidance tape, girder and crossbeam connects into whole through welding mode, need separate the component through the mode of cutting when demolising, must make each component appear damaging, seriously influences component atress performance, and the unable reuse once more of damage component for the installation effectiveness of overline bridge is also low, and the construction cycle is long.
Disclosure of Invention
Therefore, a novel assembled overpass ramp ladder needs to be provided, and the problem that reuse cannot be achieved between overpass components is solved.
In order to realize the above-mentioned purpose, the inventor provides a novel assembled overline bridge ramp, including ramp girder, crossbeam and guidance tape, the girder includes first girder and second girder, first girder with second girder parallel arrangement, first girder with be provided with the girder gusset plate on the second girder lateral wall, the crossbeam is connected first girder with second girder, guidance tape set up first girder with between the second girder, cover on first girder and second girder, the guidance tape is ladle limit concrete precast block, directly carries out bolted connection with the reservation bolt hole of ramp girder or main bridge floor crossbeam.
Further, still include the connecting piece, the crossbeam passes through the connecting piece is connected first girder with the second girder, the connecting piece is provided with first connecting piece gusset plate and second connecting piece gusset plate, the girder tip with the connection can be dismantled to first connecting piece gusset plate, the crossbeam tip with second connecting piece gusset plate interconnect.
Furthermore, the first connecting piece node plate, the second connecting piece node plate, the cross beam and the main beam are provided with bolt holes, the end part of the main beam is detachably connected with the first connecting piece node plate through bolts, and the end part of the cross beam is detachably connected with the second connecting piece node plate through bolts.
Further, still include the pier, the bottom of pier is provided with the bolt hole for fix on the stationary plane through the shank of bolt, the upper end of pier with the connecting piece is connected.
Furthermore, the first main beam, the second main beam and the cross beam are multiple, and the first main beam, the second main beam and the cross beam are detachably connected.
Furthermore, the ends of the first main beam and the second main beam are provided with bent parts, so that the requirements of different slopes of the assembled overpass ramp are met.
Further, the guidance tape is a plurality of, and is a plurality of the guidance tape is through reserving the bolt hole and can dismantle the connection between first girder and the second girder.
Further, still including the fence, the fence is located the outside of assembled overpass, the bottom of fence can be dismantled the setting and be in on the girder.
Further, the road plate is a square road plate.
Furthermore, the cross beam comprises a small cross beam, bolt holes are formed in the main beam node plate, bolt holes are formed in the end portion of the small cross beam, and bolts penetrate through the bolt holes in the main beam node plate and the small cross beam to achieve detachable connection of the main beam and the small cross beam.
Be different from prior art, above-mentioned technical scheme can dismantle the equipment between all components of assembled overline bridge for the component can used repeatedly, can practice thrift the construction cost of assembled overline bridge, and the construction is quick convenient, shortens construction cycle, and the very big degree reduces the influence to the current situation traffic.
Drawings
Fig. 1 is a schematic perspective view of an assembled platform bridge according to an embodiment of the present invention;
FIG. 2 is a schematic top view of the fabricated overpass of this embodiment;
fig. 3 is a schematic perspective view of a connecting node at the pier top of the ramp of the novel fabricated overpass in the embodiment;
FIG. 4 is a perspective view of the stiffening connection between the main beams of the present embodiment;
FIG. 5 is a schematic structural view of the main beams, cross beams and connectors according to the present embodiment;
fig. 6 is a perspective view of the balustrade of this embodiment;
FIG. 7 is a schematic structural view of a bottom connection of a bridge pier according to the present embodiment;
FIG. 8 is a schematic structural diagram of a fence according to the present embodiment;
fig. 9 is a schematic structural view of the balustrade post of the present embodiment;
FIG. 10 is a schematic structural view of the fabricated platform bridge with railings according to the embodiment;
FIG. 11 is a schematic structural view of an embodiment of the bridge deck of this embodiment;
fig. 12 is a side view of the fabricated overpass of the present embodiment.
Description of reference numerals:
1. a ramp girder;
11. a first main beam;
12. a second main beam;
13. a main beam gusset plate;
2. a road plate;
3. a cross beam;
32. a small cross beam;
4. a connecting member;
41. adding a stiffening plate;
42. a stiffening plate is arranged below;
43. a first connector gusset plate;
44. a second connector gusset plate;
5. pier studs;
51. a bolt shank;
52. a stiffening plate;
53. a fixed surface;
6. a fence;
61. a handrail vertical pipe;
62. an upper armrest square tube;
63. the railing is connected with the steel plate;
64. a lower horizontal bar square tube;
65. a skirting steel plate;
7. an assembled platform bridge;
71. a ramp of an assembled overpass;
72. bridge deck of assembled overline bridge.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 12, the present embodiment provides a novel assembly type overpass ramp, including a ramp main beam 1, a cross beam 3 and a road slab 2, where the ramp main beam 1 includes a first main beam 11 and a second main beam 12, and the first main beam 11 and the second main beam 12 are arranged in parallel. The main bridge of the invention is assembled by adopting conventional 321 Bailey beams. The side wall of the main beam 1 is provided with a main beam gusset plate 13, that is, the side wall of the first main beam 11 is vertically provided with the main beam gusset plate 13, and the side wall of the second main beam is vertically provided with the main beam gusset plate 13. The end of the first main beam 11 is connected with the cross beam 3, the end of the second main beam 12 is connected with the cross beam 3, and the cross beam 3 is used for connecting the first main beam 11 and the second main beam 12. The track plate 2 is arranged between the first main beam 11 and the second main beam 12 and covers the first main beam and the second main beam. The cross beam 3 may be a large cross beam, and may further include a small cross beam 32, one end of the small cross beam 32 is detachably connected to the main beam gusset plate on the first main beam 11, and the other end of the small cross beam 32 is detachably connected to the main beam gusset plate on the second main beam 12. Due to the complex environment of a construction site, the quality of construction operators is uneven, various interference factors are more, the welding quality cannot be effectively controlled on the construction site, and the deviation of components is easily caused; on the other hand, the cutting error of the component can be generally found only when the next process is carried out, but the component is welded and cannot be adjusted again. The components of the fabricated overpass can be disassembled and assembled, namely, the components can be accurately manufactured by using a lathe in a factory, and errors caused by field welding are avoided. And can used repeatedly, can practice thrift the construction cost of assembled overline bridge, the construction is quick convenient, shortens construction cycle, and very big degree reduces the influence to the current situation traffic.
Referring to fig. 11, in the present embodiment, the connection between the track plate 2 and the main ramp beam 1 may be a bolt connection. Specifically, the road slab is a steel-clad concrete precast block and is directly connected with a reserved bolt hole of a ramp main beam or a main bridge deck beam through a bolt. Preferably, the track plate is a square track plate. When the assembled overpass is disassembled, the bolts are disassembled. The construction is rapid and convenient, the construction period is shortened, and the influence on traffic is greatly reduced.
It is to be noted here that the above-mentioned bolted connection or snap-fit connection of the positioning members and positioning holes between the track plate 2 and the main beam 1 is applicable to the connection between the respective components of the fabricated overpass in the respective embodiments of the present application. The detachable connection enables all components of the assembled platform bridge to be assembled and disassembled, and the utilization rate of the assembled platform bridge is improved.
In this embodiment, the guidance tape 2 is a steel-clad concrete precast block, and the concrete structure is: the side all around and the bottom of guidance tape set up the steel sheet, and inside is reinforced concrete structure, and the steel sheet can prevent that the concrete from colliding with the damage.
Referring to fig. 1, in order to make the fabricated overpass have a stronger functionality, in some embodiments, the fabricated overpass 7 may be assembled by a plurality of identical components. The main beams and the cross beams are multiple, the number of the main beams can be two, three, four or even more, the main beams are connected and fixed through the cross beams, so that a frame of the assembled overpass is formed, the first main beams, the second main beams and the cross beams are detachably connected, and a road plate is still arranged between every two adjacent main beams. The assembled type overpass comprises a girder, a plurality of girders and a plurality of crossbeams, wherein the end part of the girder is vertically provided with a gusset plate, the gusset plate on the girder is provided with bolt holes, the end part of the crossbeam is provided with bolt holes, the gusset plate on the girder and the crossbeam are fixed and disassembled through bolts, and the plurality of girders and the crossbeams of the assembled type overpass can be assembled according to on-site road conditions so as to form the assembled type overpasses with different specifications.
In order to provide the track slab of the fabricated overpass with greater functionality, in a further embodiment, a plurality of track slabs may be assembled between the first and second main beams. The girder gusset plate on first girder and the second girder is a plurality of, and the guidance tape directly carries out bolted connection with the girder. The traditional overpass is paved with the road plates of the assembled overpass by a welding method, the method needs to hoist and weld step by step from bottom to top on site, and the overpass can not be hoisted integrally, so that the efficiency of constructing the overpass is low, and the construction period is long. The plurality of road plates are assembled to form the slope surface of the fabricated overpass, and the whole operation process is simple and rapid. The assembly can be carried out on site only by preparing corresponding materials and without complex work such as welding and the like. The industrial and standardized production of the overpass structure can be realized, the structure is reliable, and the whole building is attractive and tidy.
Referring to fig. 6, 10 and 12, in the process of assembling the plurality of components, the connection between the ramp 71 of the fabricated overpass and the bridge deck 72 of the fabricated overpass and the connection between the ramp of the fabricated overpass and the ground are all horizontally connected, that is, the connection pieces at the ends of the first main beam and the second main beam have a certain width, so that a resting platform which is level with the horizontal plane can be formed, and the structure can be conveniently turned and the rest of pedestrians can be conveniently performed.
In some embodiments, a connector 4 is further included, and the connector 4 is used for connecting the cross beam 3 and the main beam 1, or can also be used for connecting the pier stud 5. The connecting piece 4 comprises an upper stiffening plate 41 and a lower stiffening plate 42, the upper stiffening plate 41 is connected with the upper surface of the main beam and is level with the upper surface, the lower stiffening plate 42 is connected with the lower surface of the main beam and is level with the lower surface, and the connecting piece 4 also has a side wall and is connected with the side walls of the cross beam and the main beam. A first connecting piece node plate 43 and a second connecting piece node plate 44 are vertically arranged between the upper stiffening plate 41 and the lower stiffening plate 42, and bolt holes are formed in the first connecting piece node plate 43 and the second connecting piece node plate 44. The end of the beam 3 is provided with a beam gusset plate 31, the end of the main beam 1 is provided with bolt holes, and the bolt holes on the ends of the beam 3 and the main beam 1 are matched with the bolt holes on the first connecting piece gusset plate 43. Referring to fig. 5, the end of the girder is coupled to the first connector node plate 43, the end 1 of the girder is coupled to the second connector node plate 44, the bolt holes of the two are aligned in the front and rear direction, and then the girder is fixed using bolts, and the bolts are removed when the fabricated overpass is disassembled. The detachable connection among the connecting piece, the cross beam and the main beam is realized, so that the assembly type overbridge is convenient to install and detach, and the installation efficiency and the fault tolerance rate of the assembly type overbridge are improved.
The connector can connect a plurality of girders and crossbeams, and when connecting the girders, the two ends of the girders can have an angle, such as an angle between the upper surface and the outer wall of the end portion being 86 degrees and an angle between the lower surface and the outer wall of the end portion being 94 degrees, and correspondingly, the angle between the upper surface of the connector and the outer wall of the end portion being 86 degrees and the angle between the lower surface and the outer wall of the end portion being 94 degrees. Other angles are of course possible. The connecting member has a width such that the connecting member acts as a plateau in the ramp. The connection between the ramp of the assembled overpass and the bridge deck of the main bridge can be realized by a plurality of connecting pieces through the main beams, and the road plates of the main beams are of a planar structure to form a planar transfer part so as to realize the steering function. The middle parts of the first main beam and the second main beam are provided with bent parts, and the bent parts can enable the assembled overpass to form a ramp structure with different gradients.
Referring to fig. 6 and 7, in a further embodiment, in order to support the fabricated overpass, the fabricated overpass further includes a pier 5, a bottom end of the pier 5 is disposed on a fixing surface 53, and a top end of the pier 5 is connected to the connecting member 4. The pier 5 is cylindrical, but may be a square column or another column. The bottom of pier stud 5 has the bottom plate, and the shank of bolt 51 is pre-buried in the basic concrete of stationary plane 53 to be connected with the foundation reinforcement, be provided with the bolt hole on the bottom plate, shank of bolt 51 passes the bolt hole and is used for realizing pier stud 5 with stationary plane 53's is fixed, and can set up pier stiffening plate 52 around the junction of pier 5 and stationary plane 53, pier stiffening plate 52 is used for strengthening the steadiness of fixed pier 5. The bridge pier can be connected with the upper stiffening plate and the lower stiffening plate of the connecting piece, and the connecting piece and the bridge pier can be integrated, namely the bridge pier penetrates through the lower stiffening plate of the connecting piece and is connected with the upper stiffening plate. When the pier is a plurality of to the distance is close, can also prop through the shearing force between a plurality of piers and fix, can support assembled overline bridge better. The pier stud can be customized to have different length modules to meet different height requirements.
Referring to fig. 8, 9 and 10, in some embodiments, a fence 6 may be disposed on the main beam outside the fabricated overpass, and the fence 6 is used to protect the safety of pedestrians, prevent the pedestrians from sliding down, and facilitate the pedestrians holding the fence 6. The fence 6 comprises a railing vertical pipe 61, an upper handrail square pipe 62, a railing joint steel plate 63 and a lower cross bar square pipe 64, wherein the railing vertical pipe is positioned at two sides of the fence, the bottom end of the railing vertical pipe is detachably connected with the main beam, the side wall of the railing is detachably connected with the railing joint steel plate, one end of the railing joint steel plate is connected with the side wall of the upper handrail square pipe, one end of the railing joint steel plate is connected with the side wall of the lower cross bar square pipe, and therefore the basic structure of the fence is formed, and a plurality of fences are detachably arranged on the main beam. Wherein the dismantling of girder and railing riser can for, be provided with the bolt hole on the girder, the bottom of railing riser has the bolt hole, passes the bolt hole on girder and the outer wall of railing riser through the bolt, realizes the fastening to it. When the bolt is disassembled, the bolt is disassembled. Have on the lateral wall of railing riser and carry out the bolt hole of being connected with railing joint steel sheet, railing joint steel sheet also has corresponding bolt hole to realize dismantling of bolt and connect. The upper handrail square tube, the lower cross bar square tube and the railing joint steel plate are welded into a whole.
Of course, the detachable connection between the handrail vertical pipe, the upper handrail square pipe, the handrail joint steel plate and the lower cross bar square pipe can also be the buckling connection of the positioning piece and the positioning hole, and the positioning piece and the positioning block can be arranged at the position to be connected respectively.
Referring to fig. 10, the upper handrail square tube, the lower cross bar square tube and the rail joint steel plate may be connected at 90 degrees to form a rectangular structure, which is convenient for use at the deck of the fabricated platform bridge. In some embodiments, the upper handrail square tube, the lower cross bar square tube and the railing joint steel plate can be connected at an angle other than 90 degrees to form an inclined parallelogram, so that the assembled platform bridge is convenient to use on a ramp of the assembled platform bridge.
The fence is characterized in that a plurality of square pipes are further arranged in a plane formed by the upper handrail square pipe, the railing joint steel plate and the lower cross bar square pipe of the fence, one end of each square pipe is connected with the upper handrail square pipe, and the other end of each square pipe is connected with the lower cross bar square pipe. The square pipes form a compact space, so that the safety of pedestrians and carried objects with small volume is further guaranteed.
In order to enable the fence and the road plate to have harmonious transition and prevent sundries on the slope from falling off and injuring pedestrians, the bottom of the fence is provided with a skirting steel plate 65. The skirting steel plate 65 may also be rectangular or an inclined parallelogram, depending on the type of fence.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (10)
1. The utility model provides a novel assembled overline bridge ramp, a serial communication port, including ramp girder, crossbeam and guidance tape, the girder includes first girder and second girder, first girder with second girder parallel arrangement, first girder with be provided with the girder gusset plate on the second girder lateral wall, the crossbeam is connected first girder with second girder, guidance tape set up first girder with between the second girder, the cover is on first girder and second girder, the guidance tape is ladle limit concrete precast block, directly carries out bolted connection with the reservation bolt hole of ramp girder or main bridge floor crossbeam.
2. A novel assembled overpass ramp of claim 1, further comprising a connection, wherein the cross beam connects the first main beam and the second main beam through the connection, the connection is provided with a first connection node board and a second connection node board, the main beam end is detachably connected with the first connection node board, and the cross beam end is connected with the second connection node board.
3. A novel fabricated overpass ramp according to claim 2, wherein the first connector gusset plate, the second connector gusset plate, the cross beam and the main beam have bolt holes thereon, the end of the main beam and the first connector gusset plate are detachably connected by bolts, and the end of the cross beam and the second connector gusset plate are detachably connected by bolts.
4. The novel assembly type overpass ramp of claim 2, further comprising bridge piers, wherein the bottom ends of the bridge piers are provided with bolt holes for fixing on a fixing surface through bolt rods, and the upper ends of the bridge piers are connected with the connecting pieces.
5. A novel fabricated overpass ramp of claim 1, wherein the first main beam, the second main beam and the cross beam are multiple, and the first main beam, the second main beam and the cross beam are detachably connected.
6. A novel assembled overpass ramp of claim 1 or 5, wherein the first main beam and the second main beam have bent portions in the middle for meeting the requirements of different slopes of the assembled overpass ramp.
7. A novel assembled overpass ramp of claim 1 or 5, wherein the number of the road plates is multiple, and the multiple road plates are detachably connected with the first main beam and the second main beam through reserved bolt holes.
8. The novel assembled overpass ramp of claim 1, further comprising a fence, wherein the fence is positioned outside the assembled overpass, and the bottom end of the fence is detachably arranged on the main beam.
9. A novel fabricated overpass ramp according to claim 1, wherein the road plate is a square road plate.
10. A novel fabricated overpass ramp according to claim 1, wherein the cross beams comprise small cross beams, bolt holes are arranged on the main beam node plates, bolt holes are arranged on the ends of the small cross beams, and bolts pass through the bolt holes on the main beam node plates and the small cross beams to realize detachable connection of the main beams and the small cross beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018351.1A CN113652953A (en) | 2021-09-01 | 2021-09-01 | Novel assembled overline bridge ramp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018351.1A CN113652953A (en) | 2021-09-01 | 2021-09-01 | Novel assembled overline bridge ramp |
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|---|---|
| CN113652953A true CN113652953A (en) | 2021-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111018351.1A Pending CN113652953A (en) | 2021-09-01 | 2021-09-01 | Novel assembled overline bridge ramp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541670A (en) * | 2022-03-02 | 2022-05-27 | 河南长合幕墙设计院有限公司 | Construction process of assembled automobile ramp |
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| CN114541670A (en) * | 2022-03-02 | 2022-05-27 | 河南长合幕墙设计院有限公司 | Construction process of assembled automobile ramp |
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