CN111172853A - Assembled and laminated steel corrugated box girder bridge and manufacturing method thereof - Google Patents
Assembled and laminated steel corrugated box girder bridge and manufacturing method thereof Download PDFInfo
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- CN111172853A CN111172853A CN202010031741.1A CN202010031741A CN111172853A CN 111172853 A CN111172853 A CN 111172853A CN 202010031741 A CN202010031741 A CN 202010031741A CN 111172853 A CN111172853 A CN 111172853A
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- plate
- welded
- web
- laminated
- box girder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses an assembled and laminated steel corrugated box girder bridge and a manufacturing method thereof, and belongs to the technical field of civil engineering, wherein the assembled and laminated steel corrugated box girder bridge comprises a laminated steel corrugated box girder, the laminated steel corrugated box girder comprises a laminated web, an end partition plate is welded in the laminated web, end rib plates are welded on the outer side of the laminated web, end top plates are welded on the upper surfaces of two ends of the laminated web, a web top plate is welded on the upper surface of the middle of the laminated web, and longitudinal ribs and transverse ribs are welded on the outer side of the laminated web; a diaphragm plate is welded between the web top plates, the bottom surface of the diaphragm plate is welded with the overlapped web, both ends of the diaphragm plate are welded with the end top plates, and pin groups are welded on the upper surfaces of the diaphragm plate and the overlapped web at equal intervals; a type A precast slab and a type B precast slab are arranged on the top surface of the web top plate, and the type A precast slab is fixedly connected to one side of the end top plate and connected through an end seam. The invention can not only effectively solve the problem of common stress of the movable track beam of the frame beam, the building and the bridge floor, but also solve the problem of floor pavement.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to an assembled superposed steel corrugated box girder bridge and a manufacturing method thereof.
Background
When the concrete bridge deck slab structure or the floor slab structure is simply adopted as a cast-in-place slab structure, the overall structure performance is better, but the construction period is longer, the on-site construction difficulty is higher, the consumption of human resources is high, the using amount of the templates is larger, and the construction cost is correspondingly improved. The precast concrete plate structure is suitable for industrialized structural form, can be manufactured in factories, and further shortens the field operation time. The node joint structure between the prefabricated component among the precast concrete structure has decided structure wholeness ability, but current precast concrete structure node generally is the weak link of structure, has influenced the atress performance, and the work progress is comparatively complicated moreover.
Furthermore, for concrete slab structures using precast slabs, they are usually arranged on frame beams or track beams, and the integrity between the slabs and the beams is poor, and the mutual stress capacity is weak.
Therefore, by combining the manufacturing and stress characteristics of the cast-in-place concrete slab and the precast slab, a cast-in-place concrete slab with convenient construction and good stress performance, a precast concrete slab combined composite slab and a manufacturing method thereof are developed, so as to achieve the purposes of improving the integrity of the assembled integral concrete structure, improving the stress performance of the building structure and improving the building industrialization level.
Disclosure of Invention
The invention aims to provide an assembled and laminated steel corrugated box girder bridge and a manufacturing method thereof, which are provided for solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a composite steel corrugated box girder bridge comprises a composite steel corrugated box girder, wherein the composite steel corrugated box girder comprises a composite web, an end partition plate is welded in the composite web, end rib plates are welded on the outer sides of the composite web, end top plates are welded on the upper surfaces of two ends of the composite web, a web top plate is welded on the upper surface of the middle of the composite web, and longitudinal ribs and transverse ribs are welded on the outer sides of the composite web; a diaphragm plate is welded between the web top plates, the bottom surface of the diaphragm plate is welded with the overlapped web, both ends of the diaphragm plate are welded with the end top plates, and pin groups are welded on the upper surfaces of the diaphragm plate and the overlapped web at equal intervals; the top surface of the web top plate is provided with an A-type precast slab and a B-type precast slab, the A-type precast slab is fixedly connected to one side of the end top plate and connected through an end seam, and the A-type precast slab and the B-type precast slab are connected through a middle seam.
Preferably, the laminated web plate is formed by welding an inner U-shaped steel plate, an outer U-shaped steel plate and a middle U-shaped channel steel.
Preferably, the end rib plate is a box body formed by welding three steel plates, the cross section of the box body is in a right trapezoid shape, the upper portion of the box body is welded with the end top plate, and the left side and the right side of the box body are welded with the overlapped web plate.
Preferably, the end partition plate is made of a perforated steel plate, the upper surface of the end partition plate is welded with the end top plate, and the rest three sides of the end partition plate are welded with the superposed web plate.
Preferably, the diaphragms are arranged at equal intervals along the longitudinal inner side of the laminated web.
Preferably, the A-type prefabricated plates are of a reinforced concrete symmetrical structure with a convex middle part, four A-type prefabricated plate square holes are formed in the middle part, and shear-resistant steel bars are reserved on the upper plate surface; the B-type prefabricated plates are of dumbbell-shaped structures which are symmetrical up and down, four B-type prefabricated plate square holes are formed in the middle of each B-type prefabricated plate, and shear-resistant steel bars are reserved on the upper plate surface of each B-type prefabricated plate.
A manufacturing method of an assembled and laminated steel corrugated box girder bridge comprises the following steps: firstly, a bridge lower structure is made, a superposed steel corrugated box girder is welded and assembled, and meanwhile, a class A precast slab and a class B precast slab are precast; then, hoisting the steel corrugated box girder to a lower structure of the bridge, adjusting elevation to drop the girder, respectively hoisting the A-type precast slabs and the B-type precast slabs to a web top plate, binding end joints and middle joint steel bars, pouring concrete at the square holes and joints of the A-type precast slabs and the B-type precast slabs, and maintaining to a specified strength; and finally, welding the side guardrails of the bridge deck and paving an upper asphalt concrete structure layer.
The invention has the beneficial effects that:
1. the construction is simple, the technology is mature, the manufacturing cost is saved, the two are firmly combined, and the structure is durable.
2. The invention can not only effectively solve the problem of common stress of the movable track beam of the frame beam, the building and the bridge floor, but also solve the problem of floor pavement.
3. The industrialization level is high, and precast concrete board production efficiency is high, of high quality.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an end view of the overall structure of the present invention;
FIG. 3 is a longitudinal view of the overall construction of the present invention;
FIG. 4 is a schematic view of the construction of the class A precast slab of the present invention;
FIG. 5 is a schematic view of the construction of the class B precast slab of the present invention;
FIG. 6 is a schematic view of the diaphragm structure of the present invention.
The prefabricated plate comprises a laminated web plate 1, an end top plate 2, an end rib plate 3, an end rib plate 4, an end partition plate 5, a pin group 6, a class A prefabricated plate, a class B prefabricated plate 7, a class B prefabricated plate 8, an end joint 9, a middle joint 10, a web top plate 11, a transverse partition plate 12, a class A prefabricated plate square hole 13, a class B prefabricated plate square hole 14, a longitudinal rib 15 and a transverse rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown:
the assembly laminated steel corrugated box girder bridge comprises a laminated steel corrugated box girder, wherein the laminated steel corrugated box girder comprises a laminated web, the laminated web (1) is formed by welding an inner U-shaped steel plate, an outer U-shaped steel plate and a middle U-shaped steel channel, an end partition plate (4) is welded inside, an end rib plate (3) is welded outside, end top plates (2) are welded on the upper portions of two ends, a web top plate (10) is welded on the upper portion of the middle, and a longitudinal rib (14) and a transverse rib (15) are welded on the outer side of the web; the end rib plate (3) is a box body formed by welding three steel plates, the cross section of the box body is in a right trapezoid shape, the upper part of the box body is welded with the end top plate (2), the bevel edge (the left side or the right side) is welded with the laminated web plate (1), and a transverse partition plate (11) is welded between the two web plates; the end top plate (2) is a steel plate with a certain length, and a pin group (5) is welded on the end top plate; the end partition plate (4) is a perforated steel plate with a certain thickness, the upper part of the end partition plate is welded with the end top plate (2), and the rest three edges of the end partition plate are welded with the laminated web plate (1); the bottom surface of the web top plate (10) is welded with the laminated web (1), two end parts of the web top plate are welded with the end top plate (2), and the upper part of the web top plate is welded with the pin group (5) at a certain interval; the transverse partition plates (11) are welded at intervals along the longitudinal inner side of the laminated web plate (1), and circular cavities are reserved in the middle of the transverse partition plates to reduce stress concentration; the middle pin group (5) can freely penetrate into the A-class precast slab square hole (12) and the B-class precast slab square hole (13); longitudinal and transverse steel bar meshes are reserved in the A-type precast slab square hole (12) and the B-type precast slab square hole (13) and are symmetrically distributed on two sides of the A-type precast slab (6) and the B-type precast slab (7) respectively; the A-type precast slabs (6) are of a reinforced concrete symmetrical structure with a convex middle part, four A-type precast slab square holes (12) are reserved in the middle part, and shear-resistant steel bars are reserved on the upper plate surface; the B-type precast slabs (7) are of dumbbell-shaped structures which are symmetrical up and down, four B-type precast slab square holes (13) are reserved in the middle of the B-type precast slabs, and shear-resistant steel bars are reserved on the upper plate surface of the B-type precast slabs; the A-type precast slabs (6) and the B-type precast slabs (7) can be lifted to the top surface of the web top plate (10) for installation, the A-type precast slabs (6) are arranged at the two ends, and the B-type precast slabs (7) are arranged in the middle; the A-type prefabricated plate (6) is connected to one side of the end top plate (2) through an end seam (8); the A-type precast slabs (6) and the B-type precast slabs (7) are connected through middle joints (9); reinforcing meshes are arranged at the end part joint (8) and the middle joint (9), and micro-expansion concrete is poured; the longitudinal rib (14) is a steel plate with a certain thickness and is welded with the laminated web plate (1) along the middle part of the outer side of the laminated web plate (1); the transverse ribs (15) are steel plates with certain thickness and are respectively welded with the outer side surface of the laminated web plate (1) and the bottom surface of the web plate top plate (10).
A manufacturing method of an assembled and laminated steel corrugated box girder bridge comprises the following steps: firstly, a bridge lower structure is made, a superposed steel corrugated box girder is welded and assembled, and meanwhile, a class A precast slab and a class B precast slab are precast; then, hoisting the steel corrugated box girder to a lower structure of the bridge, adjusting elevation to drop the girder, respectively hoisting the A-type precast slabs and the B-type precast slabs to a web top plate, binding end joints and middle joint steel bars, pouring concrete at the square holes and joints of the A-type precast slabs and the B-type precast slabs, and maintaining to a specified strength; finally, welding the side guardrail of the bridge deck and paving an upper asphalt concrete structure layer
The invention has the advantages of product molding, low manufacturing cost, reasonable stress, convenient building construction, short construction period and improvement of working efficiency and engineering quality.
It is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the inventive process concepts and solutions, or its application to other applications without modification.
Claims (7)
1. The utility model provides an assembly coincide steel corrugated box girder bridge, includes coincide steel corrugated box girder, coincide steel corrugated box girder includes coincide web, its characterized in that: an end partition plate is welded in the laminated web plate, end rib plates are welded on the outer side of the laminated web plate, end top plates are welded on the upper surfaces of the two ends of the laminated web plate, a web plate top plate is welded on the upper surface of the middle of the laminated web plate, and longitudinal ribs and transverse ribs are welded on the outer side of the laminated web plate; a diaphragm plate is welded between the web top plates, the bottom surface of the diaphragm plate is welded with the overlapped web, both ends of the diaphragm plate are welded with the end top plates, and pin groups are welded on the upper surfaces of the diaphragm plate and the overlapped web at equal intervals; the top surface of the web top plate is provided with an A-type precast slab and a B-type precast slab, the A-type precast slab is fixedly connected to one side of the end top plate and connected through an end seam, and the A-type precast slab and the B-type precast slab are connected through a middle seam.
2. An assembled laminated steel corrugated box girder bridge as set forth in claim 1, wherein: the laminated web plate is formed by welding an inner U-shaped steel plate, an outer U-shaped steel plate and a middle U-shaped channel steel.
3. An assembled laminated steel corrugated box girder bridge as set forth in claim 1, wherein: the end rib plate is a box body formed by welding three steel plates, the cross section of the box body is in a right trapezoid shape, the upper portion of the box body is welded with the end top plate, and the left side and the right side of the box body are welded with the laminated web plate.
4. An assembled laminated steel corrugated box girder bridge as set forth in claim 1, wherein: the end partition plate is made of perforated steel plates, the upper surface of the end partition plate is welded with the end top plate, and the rest three edges of the end partition plate are welded with the superposed web plate.
5. An assembled laminated steel corrugated box girder bridge as set forth in claim 1, wherein: the diaphragm plates are arranged on the longitudinal inner side of the laminated web plate at equal intervals.
6. An assembled laminated steel corrugated box girder bridge as set forth in claim 1, wherein: the A-type prefabricated plates are of a reinforced concrete symmetrical structure with a convex middle part, four A-type prefabricated plate square holes are formed in the middle part, and shear-resistant steel bars are reserved on the upper plate surface; the B-type prefabricated plates are of dumbbell-shaped structures which are symmetrical up and down, four B-type prefabricated plate square holes are formed in the middle of each B-type prefabricated plate, and shear-resistant steel bars are reserved on the upper plate surface of each B-type prefabricated plate.
7. The method for manufacturing the assembled laminated steel corrugated box girder bridge as claimed in claims 1 to 6, wherein the method comprises the following steps: the method comprises the following steps: firstly, a bridge lower structure is made, a superposed steel corrugated box girder is welded and assembled, and meanwhile, a class A precast slab and a class B precast slab are precast; then, hoisting the steel corrugated box girder to a lower structure of the bridge, adjusting elevation to drop the girder, respectively hoisting the A-type precast slabs and the B-type precast slabs to a web top plate, binding end joints and middle joint steel bars, pouring concrete at the square holes and joints of the A-type precast slabs and the B-type precast slabs, and maintaining to a specified strength; and finally, welding the side guardrails of the bridge deck and paving an upper asphalt concrete structure layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010031741.1A CN111172853A (en) | 2020-01-13 | 2020-01-13 | Assembled and laminated steel corrugated box girder bridge and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010031741.1A CN111172853A (en) | 2020-01-13 | 2020-01-13 | Assembled and laminated steel corrugated box girder bridge and manufacturing method thereof |
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| CN111172853A true CN111172853A (en) | 2020-05-19 |
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| CN202010031741.1A Pending CN111172853A (en) | 2020-01-13 | 2020-01-13 | Assembled and laminated steel corrugated box girder bridge and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001342611A (en) * | 2000-06-02 | 2001-12-14 | Sumitomo Constr Co Ltd | Bridge girder |
| CN101413247A (en) * | 2008-12-03 | 2009-04-22 | 中交公路规划设计院有限公司 | Streamline steel-concrete folding case beam |
| CN101864729A (en) * | 2010-06-25 | 2010-10-20 | 清华大学 | Corrugated steel webplate combined box girder floor system for cable-stayed bridge and construction method thereof |
| CN107245934A (en) * | 2017-07-31 | 2017-10-13 | 哈尔滨工业大学 | A kind of assembled steel profiled sheet concrete combined board small box girder |
-
2020
- 2020-01-13 CN CN202010031741.1A patent/CN111172853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001342611A (en) * | 2000-06-02 | 2001-12-14 | Sumitomo Constr Co Ltd | Bridge girder |
| CN101413247A (en) * | 2008-12-03 | 2009-04-22 | 中交公路规划设计院有限公司 | Streamline steel-concrete folding case beam |
| CN101864729A (en) * | 2010-06-25 | 2010-10-20 | 清华大学 | Corrugated steel webplate combined box girder floor system for cable-stayed bridge and construction method thereof |
| CN107245934A (en) * | 2017-07-31 | 2017-10-13 | 哈尔滨工业大学 | A kind of assembled steel profiled sheet concrete combined board small box girder |
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Application publication date: 20200519 |
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| RJ01 | Rejection of invention patent application after publication |