CN108411763B - Pre-spliced bridge and construction method thereof - Google Patents
Pre-spliced bridge and construction method thereof Download PDFInfo
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- CN108411763B CN108411763B CN201810131137.9A CN201810131137A CN108411763B CN 108411763 B CN108411763 B CN 108411763B CN 201810131137 A CN201810131137 A CN 201810131137A CN 108411763 B CN108411763 B CN 108411763B
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000009417 prefabrication Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a preassembled bridge and a construction method thereof, and belongs to the technical field of buildings. The bridge structure solves the problems of single appearance, long construction period and difficult reconstruction and demolition of the existing bridge structure. The pre-spliced bridge comprises a bridge pier and a bridge span arranged on the bridge pier, wherein the bridge span is composed of a plurality of prefabricated components which are identical in shape and size, the prefabricated components are located in the same plane, a fixed structure is arranged between the adjacent prefabricated components, the prefabricated components comprise an outer frame which is in a regular hexagon shape, an upper cover plate arranged at the upper end of the outer frame and a lower cover plate arranged at the lower end of the outer frame, and a stiffening structure used for preventing the outer frame from local instability is arranged in the outer frame. The pre-spliced bridge has the advantages of attractive appearance, high construction quality, convenience in later dismantling and reconstruction, and the like. The construction steps comprise prefabrication of the prefabricated parts and connection of the prefabricated parts, and the construction method has the advantages of convenience in construction, short period and the like.
Description
Technical Field
The invention belongs to the technical field of buildings, and relates to a pre-spliced bridge and a construction method thereof.
Background
Along with the development of urban construction, the number of pedestrian bridges in the city is numerous, and the appearance of the bridge structure is also high in requirement besides meeting the passing requirement. The appearance of the existing pedestrian bridge girder is mostly in a straight line shape and is single in shape due to the limitation of the bridge structure type. Meanwhile, urban pedestrian bridges are mostly cast by adopting on-site brackets or welded on site, the construction period is long, the construction process of the urban bridges often interferes with the traffic under the bridges, and the influence on local traffic is large. And due to the transition of urban roads and the change of intersections, urban pedestrian bridges are often removed or moved after being used for a period of time, and the conventional pedestrian bridge is transformed and removed with higher cost.
For this reason, chinese patent discloses a detachable modular emergency bridge [ grant bulletin number CN203625763U ], which is assembled by a panel, a bottom plate, a long link, a vertical rod, a long pin, a short pin, and a transverse link; the upper surface of the panel is provided with an anti-skid checkered plate, and the lower surface of the panel is provided with a longitudinal reinforcing rib, a diaphragm plate and a connecting lug plate; the bottom plate is provided with structural reinforcing ribs and connecting lug plates. A panel, a bottom plate, four vertical rods and two long connecting rods are assembled into a prefabricated component through eight short pins; a plurality of prefabricated components are assembled into a Shan bridge span through a plurality of long pins; the bridge spans with different bridge deck widths can be assembled by the parallel single bridge spans with different numbers so as to meet the traffic demands of different degrees.
Although this emergency bridge is easy to disassemble, it still has the following problems: the structural shape of the components forming the prefabricated component is more, time is wasted during assembly, and the assembly efficiency is low; the bridge span formed by assembly is linear and single in shape; when the bridge span is assembled, the Shan bridge span is assembled firstly, then the single bridge spans are assembled into bridge spans with different widths, the assembly difficulty between the single bridge spans and the single bridge spans is high, and when the length of the single bridge spans is long, the support needs to be arranged, and the construction period is long.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a preassembled bridge which is convenient to construct and convenient to disassemble and construct.
Also provides a construction method of the pre-spliced bridge with short construction period.
The aim of the invention can be achieved by the following technical scheme:
the pre-spliced bridge comprises a bridge pier and a bridge span arranged on the bridge pier, wherein the bridge span is composed of a plurality of prefabricated components which are identical in shape and size, the prefabricated components are located in the same plane, and a fixed structure is arranged between the adjacent prefabricated components.
In the pre-spliced bridge, the outer frame is formed by welding six plates, the stiffening structure comprises a plurality of stiffening ribs, an upper diaphragm plate and a lower diaphragm plate which are fixed in the outer frame, at least one stiffening rib which is perpendicular to the inner wall of each plate is arranged on the inner wall of each plate, and a plurality of stiffening ribs are positioned between the upper diaphragm plate and the lower diaphragm plate. The length of the plate can be different according to the structural shape, and the thickness and the height of the plate can be calculated according to the structural stress. Groove welding is adopted between the plates, and double-sided fillet welding is adopted between the stiffening ribs and the plates.
According to the length of panel, can set up a plurality of stiffening rib on every panel, stiffening rib evenly distributed is on the panel and stiffening rib extends along the direction of height of outer frame, and upper and lower diaphragm plate position department sets up the hole of digging and runs through.
In the pre-spliced bridge, the upper diaphragm plate and the lower diaphragm plate are regular hexagons and are respectively connected with the inner side of the outer frame, the upper cover plate is abutted against the upper diaphragm plate, the upper end face of the upper cover plate is flush with the upper end face of the outer frame, and the lower cover plate is abutted against the lower diaphragm plate, and the lower end face of the lower cover plate is flush with the lower end face of the outer frame.
In the pre-spliced bridge, the middle part of the upper diaphragm plate is provided with a first through hole, the middle part of the lower diaphragm plate is provided with a second through hole with the same shape as the first through hole, and the widths of the upper diaphragm plate and the lower diaphragm plate are larger than the height of the stiffening rib. Due to the arrangement of the through holes, the whole weight can be reduced while the structural strength is ensured.
In the pre-spliced bridge, the first through hole is in a regular hexagon shape. Each side of the first through hole is parallel to each outer edge of the upper diaphragm plate, and the second through hole is also regular hexagon and is coaxially arranged with the through hole.
In the pre-spliced bridge, the fixing structure comprises an anchor backing plate arranged at the inner top angle of the outer frame and a high-strength bolt vertically penetrating through the anchor backing plate, wherein the other end of the high-strength bolt penetrates through two adjacent outer frames and is fixedly connected with the anchor backing plate which is arranged in the other outer frame and corresponds to the other outer frame.
In the pre-spliced bridge, the plates, the stiffening ribs, the upper diaphragm plates and the lower diaphragm plates which are used for forming the prefabricated components are all made of high-strength, light-weight and easily-welded alloy materials.
In the pre-spliced bridge, the plates, the stiffening ribs, the upper transverse partition plates and the lower transverse partition plates which are used for forming the prefabricated components are all made of high-strength aluminum alloy materials.
In the pre-spliced bridge, the upper cover plate and the lower cover plate can be made of alloy materials or toughened glass materials according to appearance requirements.
The construction method of the pre-spliced bridge comprises the following steps:
prefabrication of prefabricated parts in the step (1): six plates are welded into a regular hexagonal outer frame in a prefabricated factory building, the lengths of the plates can be different according to the structural appearance, the thicknesses and the heights of the plates are calculated according to structural stress, an upper diaphragm plate, a lower diaphragm plate and stiffening ribs are arranged in the outer frame to prevent local instability of the outer frame, and a lower cover plate is arranged at the lower end of the outer frame;
and (3) connecting prefabricated parts: the prefabricated parts are transported to the bridge site, firstly, the prefabricated parts at the innermost layer are connected with the bridge pier, bolting or welding can be selected according to the situation, meanwhile, the six prefabricated parts at the innermost layer are fixed together by adopting high-strength bolts and anchor backing plates, then the prefabricated parts are spliced according to the preset shape of the bridge span from inside to outside along the radial direction of the bridge pier, the prefabricated parts are fixed by the high-strength bolts and the anchor backing plates, and after the bridge span is formed, an upper cover plate is installed on each prefabricated part.
In the construction method of the pre-spliced bridge, a plurality of bridge piers are arranged, and a plurality of bridge spans can be constructed simultaneously: firstly, bolting or welding the innermost prefabricated component and the bridge pier, then splicing the prefabricated component according to the preset shape of the bridge span from inside to outside along the radial direction of the bridge pier, and fixing the prefabricated component and the bridge span through the high-strength bolt and the anchor backing plate until the bridge span is closed.
Because the prefabricated components are assembled on site, different bridge spans, bridge widths and bridge span shapes can be determined according to the functional requirements of the bridge. Due to the limitation of the current material performance, the bridge span structure is suitable for urban pedestrian bridges with medium and small spans and is not suitable for bridges with larger spans and larger loads.
Compared with the prior art, the invention has the following advantages:
the structure of the pre-spliced bridge is attractive and changeable, the visual field on the bridge is transparent, the size and arrangement of the prefabricated components can be determined according to the needs, and the applicability is wider; the method of on-site assembly construction is adopted, so that the construction quality is high, the construction period is short, the influence on the traffic under the bridge is small, and the later dismantling and reconstruction are convenient.
Drawings
Fig. 1 is a front view of a prefabricated part provided by the present invention.
Fig. 2 is a top view of a preform provided by the present invention.
Fig. 3 is an enlarged schematic view of fig. 2 a provided by the present invention.
Fig. 4 is an enlarged schematic view of fig. 2B provided by the present invention.
Fig. 5 is a connection relation diagram of prefabricated parts provided by the invention.
Fig. 6 is a top view of the pre-assembled bridge provided by the invention.
In the figure, 1, a bridge pier; 2. a bridge span; 3. a prefabricated member; 4. an outer frame; 5. an upper cover plate; 6. a lower cover plate; 7. a sheet material; 8. stiffening ribs; 9. an upper diaphragm plate; 10. a lower diaphragm; 11. a first through hole; 12. an anchor backing plate I; 13. an anchor backing plate II; 14. anchor backing plate III; 15. anchor backing plate IV; 16. anchor backing plate five; 17. digging holes.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
The pre-spliced bridge shown in fig. 6 comprises two bridge piers 1 and a bridge span 2 arranged on the bridge piers 1, wherein the bridge span 2 is composed of a plurality of prefabricated components 3 which are identical in shape and size, the prefabricated components 3 are positioned in the same plane, and a fixed structure is arranged between every two adjacent prefabricated components 3. As shown in fig. 2, the prefabricated component 3 comprises an outer frame 4 in a regular hexagon shape, an upper cover plate 5 arranged at the upper end of the outer frame 4 and a lower cover plate 6 arranged at the lower end of the outer frame 4, and a stiffening structure for preventing the outer frame 4 from being locally unstable is arranged in the outer frame 4.
As shown in fig. 2, the outer frame 4 is formed by welding six plates 7, and in this embodiment, the six plates 7 are identical in shape and size. The stiffening structure comprises a plurality of stiffening ribs 8, an upper diaphragm plate 9 and a lower diaphragm plate 10 which are fixed in the outer frame 4, wherein the inner wall of each plate 7 is at least provided with one stiffening rib 8 which is arranged vertically with the plate, and the stiffening ribs 8 are positioned between the upper diaphragm plate 9 and the lower diaphragm plate 10. As shown in fig. 3, the plates 7 and 7 are welded by grooves, and as shown in fig. 4, the stiffening ribs 8 and 7 are welded by double-sided fillet welding.
As shown in fig. 2, the stiffening ribs 8 are two and uniformly distributed on the plate 7, and the stiffening ribs 8 extend along the height direction of the outer frame 4, and the position of the upper diaphragm plate 10 and the position of the lower diaphragm plate 10 are provided with holes 17 penetrating through. According to the length of the plate 7 (the length thereof is 1 m), two stiffening ribs 8 may be provided on each plate 7, one stiffening rib 8 being 300mm from the edge of the plate 7, the other stiffening rib 8 being 300mm from the other edge of the plate 7, the distance between the two stiffening ribs 8 being 400mm.
In this embodiment, the length of the plate 7 can be different according to the structural shape, and the thickness and height of the plate 7 can be calculated according to the structural stress. Specifically, a high-strength T7075 aluminum alloy plate 7 with the thickness of 15mm is selected, the length is 1m, the height is 0.6m, and the prefabricated part 3 with the specification can be used for a pedestrian bridge with the main span of 25.5m and the width of 12.124m according to calculation.
As shown in fig. 2, the upper diaphragm plate 9 and the lower diaphragm plate 10 are regular hexagons and are respectively connected with the inner side of the outer frame 4, as shown in fig. 1, the upper cover plate 5 abuts against the upper diaphragm plate 9, the upper end face of the upper cover plate 5 is flush with the upper end face of the outer frame 4, the lower cover plate 6 abuts against the lower diaphragm plate 10, and the lower end face of the lower cover plate 6 is flush with the lower end face of the outer frame 4. Wherein, the thickness of the upper diaphragm plate 9 and the lower diaphragm plate 10 is 20mm, and the thickness of the upper cover plate 5 and the lower cover plate 6 is 15mm.
As shown in fig. 2, the middle part of the upper diaphragm plate 9 is provided with a first through hole 11, the middle part of the lower diaphragm plate 10 is provided with a second through hole which has the same shape as the first through hole 11, and the widths of the upper diaphragm plate 9 and the lower diaphragm plate 10 are larger than the height of the stiffening rib 8. Due to the arrangement of the through holes, the whole weight can be reduced while the structural strength is ensured.
Specifically, as shown in fig. 2, the first through hole 11 is in a regular hexagon shape, each side of the first through hole 11 is parallel to each outer edge of the upper diaphragm 9, and the second through hole is also in a regular hexagon shape and is coaxially arranged with the first through hole 11.
As shown in fig. 5, the fixing structure comprises an anchor pad plate arranged at the inner top angle of the outer frame 4 and a high-strength bolt vertically penetrating through the anchor pad plate, wherein the other end of the high-strength bolt penetrates through two adjacent outer frames 4 and is fixedly connected with the anchor pad plate arranged in the other outer frame 4 and corresponding to the anchor pad plate.
Specifically, as shown in fig. 5, since the top corners of the outer frames 4 form an angle of 120 °, during the splicing process of the bridge span 2, one top corner of the outer frame 4 may intersect with the top corners of two outer frames 4, or intersect with the top corner of one outer frame 4, or do not intersect with the top corner of the outer frame 4.
As shown in the middle part of fig. 5, the top angles of the three outer frames 4 intersect to form a point, and the fixing structure is three anchor pads: the anchor backing plate I12 arranged at the top angle of the first outer frame, the anchor backing plate II 13 arranged at the top angle of the second outer frame and the anchor backing plate III 14 arranged at the top angle of the third outer frame, one end of the anchor backing plate I12 is fixedly connected with one end of the anchor backing plate II 13 through a high-strength bolt, the other end of the anchor backing plate I12 is fixedly connected with one end of the anchor backing plate III 14 through a high-strength bolt, and the other end of the anchor backing plate II 13 is fixedly connected with the other end of the anchor backing plate III 14 through a high-strength bolt.
As shown in the lower right part of fig. 5, the vertex angles of the two outer frames intersect to form a point, and the fixing structure is two anchor pads: the anchor backing plate IV 15 and the anchor backing plate V16, the anchor backing plate IV 15 is located at the top angle of one outer frame, the anchor backing plate V16 is located at the top angle of the other outer frame, and the anchor backing plate IV 15 is fixedly connected with the anchor backing plate V16 through high-strength bolts.
In this embodiment, the plate 7, the stiffening rib 8, the upper diaphragm 9 and the lower diaphragm 10, which are used to form the prefabricated member 3, are all made of high-strength, light-weight, easily welded alloy materials. Specifically, the plate 7, the stiffening rib 8, the upper diaphragm 9 and the lower diaphragm 10 which are used for forming the prefabricated member 3 are all made of high-strength aluminum alloy materials. Wherein, the upper cover plate 5 and the lower cover plate 6 can be made of alloy materials or toughened glass materials according to the appearance requirement.
The construction method of the pre-spliced bridge comprises the following steps:
prefabrication of the prefabricated part 3 in the step (1): six plates 7 are welded into a regular hexagonal outer frame 4 in a prefabricated factory building, the lengths of the plates 7 can be different according to the structural appearance, the thickness and the height of the plates 7 are calculated according to structural stress, an upper diaphragm 9, a lower diaphragm 10 and stiffening ribs 8 are arranged in the outer frame 4 to prevent local instability, and a lower cover plate 6 is arranged at the lower end of the outer frame 4;
step (2) connection of prefabricated parts 3: the prefabricated components 3 are transported to the bridge site, firstly, the prefabricated components 3 at the innermost layer are connected with the bridge pier 1, bolting or welding can be selected according to the situation, meanwhile, the six prefabricated components 3 at the innermost layer are fixed together by adopting high-strength bolts and anchor backing plates, then the prefabricated components are spliced according to the preset shape of the bridge span 2 from inside to outside along the radial direction of the bridge pier 1, the prefabricated components are fixed by the high-strength bolts and the anchor backing plates, and after the bridge span 2 is formed, an upper cover plate 5 is installed on each prefabricated component 3.
As shown in fig. 6, when there are 2 bridge piers 1, a plurality of bridge spans 2 can be constructed simultaneously: six prefabricated components 3 with the number of 1 are selected at each bridge pier 1 as the prefabricated components 3 of the innermost layer, the prefabricated components 3 are firstly connected with the bridge piers 1, meanwhile, the six prefabricated components 3 positioned at the innermost layer are fixed together by adopting high-strength bolts and anchor backing plates, and then the prefabricated components 3 are spliced according to the preset shape of the bridge span 2 from inside to outside along the radial direction of the bridge piers 1, namely, the prefabricated components 3 are spliced according to the numbers of 2-9 in sequence to form the bridge span 2 structure of the honeycomb component with the modeling shown in fig. 6.
Because the prefabricated part 3 adopts a field assembly mode, different bridge spans, bridge widths and bridge span 2 shapes can be determined according to the functional requirements of the bridge. Due to the limitation of the current material performance, the bridge span 2 structure is suitable for urban pedestrian bridges with medium and small spans and is not suitable for bridges with larger spans and larger loads.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The pre-spliced bridge comprises a bridge pier (1) and a bridge span (2) arranged on the bridge pier (1), wherein the bridge span (2) is composed of a plurality of prefabricated components (3) which are identical in shape and size, the prefabricated components (3) are positioned in the same plane, and a fixed structure is arranged between the adjacent prefabricated components (3), and the pre-spliced bridge is characterized in that the prefabricated components (3) comprise an outer frame (4) which is in a regular hexagon shape, an upper cover plate (5) arranged at the upper end of the outer frame (4) and a lower cover plate (6) arranged at the lower end of the outer frame (4), and a stiffening structure used for preventing the outer frame (4) from being locally unstable is arranged in the outer frame (4); the outer frame (4) is formed by welding six plates (7), the stiffening structure comprises a plurality of stiffening ribs (8), an upper diaphragm plate (9) and a lower diaphragm plate (10) which are fixed in the outer frame (4), at least one stiffening rib (8) which is perpendicular to the inner wall of each plate (7) is arranged on the inner wall of each plate, and the stiffening ribs (8) are positioned between the upper diaphragm plate (9) and the lower diaphragm plate (10); the plates, the stiffening ribs (8), the upper diaphragm plates (9) and the lower diaphragm plates (10) which are used for forming the prefabricated parts are all made of high-strength, light-weight and easily-welded alloy materials.
2. The preassembled bridge according to claim 1, wherein the upper diaphragm plate (9) and the lower diaphragm plate (10) are in regular hexagon shapes and are respectively connected with the inner side of the outer frame (4), the upper cover plate (5) abuts against the upper diaphragm plate (9) and the upper end face of the upper cover plate (5) is flush with the upper end face of the outer frame (4), and the lower cover plate (6) abuts against the lower diaphragm plate (10) and the lower end face of the lower cover plate (6) is flush with the lower end face of the outer frame (4).
3. The preassembled bridge according to claim 2, wherein the middle part of the upper diaphragm plate (9) is provided with a first through hole (11), the middle part of the lower diaphragm plate (10) is provided with a second through hole which has the same shape as the first through hole (11), and the widths of the upper diaphragm plate (9) and the lower diaphragm plate (10) are larger than the height of the stiffening rib (8).
4. The pre-assembled bridge according to claim 1, 2 or 3, wherein the fixing structure comprises an anchor pad arranged at the inner vertex angle of the outer frame (4) and a high-strength bolt vertically penetrating through the anchor pad, and the other end of the high-strength bolt penetrates through two adjacent outer frames (4) and is fixedly connected with the anchor pad arranged in the other outer frame (4) corresponding to the anchor pad.
5. The preassembled bridge according to claim 4, wherein the plates, the stiffening ribs (8), the upper diaphragm plates (9) and the lower diaphragm plates (10) which are used for forming the prefabricated components are made of high-strength aluminum alloy materials.
6. The pre-assembled bridge according to claim 1, wherein the upper cover plate (5) and the lower cover plate (6) can be made of alloy materials or toughened glass materials according to appearance requirements.
7. A construction method of manufacturing the pre-assembled bridge of claim 1, comprising the steps of:
prefabrication of the prefabricated part (3) in the step (1): six plates (7) are welded into a regular hexagonal outer frame (4) in a prefabricated factory building, the lengths of the plates can be different according to the structural appearance, the thicknesses and the heights of the plates are calculated according to structural stress, an upper diaphragm plate (9), a lower diaphragm plate (10) and stiffening ribs (8) are arranged in the outer frame (4) to prevent local instability, and a lower cover plate (6) is arranged at the lower end of the outer frame (4);
and (3) connecting prefabricated parts (2): the prefabricated components (3) are conveyed to the bridge site, firstly, the prefabricated components (3) at the innermost layer are connected with the bridge pier (1), bolting or welding can be selected according to the situation, meanwhile, the six prefabricated components (3) at the innermost layer are fixed together by adopting high-strength bolts and anchor backing plates, then the prefabricated components are spliced according to the preset shape of the bridge span (2) from inside to outside along the radial direction of the bridge pier (1), the prefabricated components are fixed through the high-strength bolts and the anchor backing plates, and after the bridge span (2) is molded, an upper cover plate (5) is installed on each prefabricated component (3).
8. The method for constructing a preassembled bridge according to claim 7, wherein the number of the bridge piers (1) is plural, and the bridge span (2) can be constructed at plural places simultaneously: firstly, bolting or welding the innermost prefabricated part (3) and the bridge pier (1), then splicing the prefabricated parts according to the preset shape of the bridge span (2) from inside to outside along the radial direction of the bridge pier (1), and fixing the prefabricated parts through high-strength bolts and anchor backing plates until the bridge span (2) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810131137.9A CN108411763B (en) | 2018-02-09 | 2018-02-09 | Pre-spliced bridge and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810131137.9A CN108411763B (en) | 2018-02-09 | 2018-02-09 | Pre-spliced bridge and construction method thereof |
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| Publication Number | Publication Date |
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| CN108411763A CN108411763A (en) | 2018-08-17 |
| CN108411763B true CN108411763B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810131137.9A Active CN108411763B (en) | 2018-02-09 | 2018-02-09 | Pre-spliced bridge and construction method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208473B (en) * | 2018-10-12 | 2024-03-22 | 湖南省交通规划勘察设计院有限公司 | Combined bridge deck structure stiffened by adopting flat-bulb steel, construction method thereof and bridge structure |
| CN110258296B (en) * | 2019-07-11 | 2024-01-26 | 金陵科技学院 | Modular assembly type honeycomb bridge structure |
| CN113106841A (en) * | 2021-05-12 | 2021-07-13 | 中铁四局集团第二工程有限公司 | Pin-connected panel landing stage board and landing stage |
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| JP2004190266A (en) * | 2002-12-09 | 2004-07-08 | Yokogawa Bridge Corp | Construction method of grade separated crossing road and connection method of foundation structure of viaduct and pier used for the same |
| CN101824798A (en) * | 2010-03-08 | 2010-09-08 | 江苏法尔胜新日制铁缆索有限公司 | Main cable strand for large-span suspension bridge |
| CN104674646A (en) * | 2015-02-06 | 2015-06-03 | 彭晶蓉 | Shock absorption structure of bridge and manufacturing method thereof |
| CN105019349A (en) * | 2014-04-26 | 2015-11-04 | 郑州大学 | Pi-shaped precast beam and preparation method thereof as well as mounting and construction method of precast beam |
| CN208105012U (en) * | 2018-02-09 | 2018-11-16 | 华东交通大学 | A kind of pre-splicing bridge |
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2018
- 2018-02-09 CN CN201810131137.9A patent/CN108411763B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190266A (en) * | 2002-12-09 | 2004-07-08 | Yokogawa Bridge Corp | Construction method of grade separated crossing road and connection method of foundation structure of viaduct and pier used for the same |
| CN101824798A (en) * | 2010-03-08 | 2010-09-08 | 江苏法尔胜新日制铁缆索有限公司 | Main cable strand for large-span suspension bridge |
| CN105019349A (en) * | 2014-04-26 | 2015-11-04 | 郑州大学 | Pi-shaped precast beam and preparation method thereof as well as mounting and construction method of precast beam |
| CN104674646A (en) * | 2015-02-06 | 2015-06-03 | 彭晶蓉 | Shock absorption structure of bridge and manufacturing method thereof |
| CN208105012U (en) * | 2018-02-09 | 2018-11-16 | 华东交通大学 | A kind of pre-splicing bridge |
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