CN113981821A - Full-prefabricated assembled bridge construction platform and construction method - Google Patents
Full-prefabricated assembled bridge construction platform and construction method Download PDFInfo
- Publication number
- CN113981821A CN113981821A CN202110980631.4A CN202110980631A CN113981821A CN 113981821 A CN113981821 A CN 113981821A CN 202110980631 A CN202110980631 A CN 202110980631A CN 113981821 A CN113981821 A CN 113981821A
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- prefabricated assembled
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- assembled bridge
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- 238000010276 construction Methods 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- 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 belongs to the technical field of construction of fully prefabricated assembled bridges and discloses a fully prefabricated assembled bridge construction platform and a construction method. The temporary pile cap is provided with a connecting hole along the length direction, and the temporary pile cap is sleeved at the upper end of the pile through a pin shaft arranged in the connecting hole in a penetrating manner. The beam is a steel member formed by assembling and welding double-spliced I-shaped steel or H-shaped steel. The crossbeam is provided with a limiting groove, the bearing truss girder is arranged in the limiting groove, and a polytetrafluoroethylene plate is laid at the bottom of the limiting groove. Through installing detachable construction platform on the stake that has been inserted and beaten, can realize the parallel operation of full prefabricated assembled bridge beam among each process in the work progress and portable not falling to the ground, need not to build trestle and access way around the bridge simultaneously, reduced the destruction of construction operation to original environment around the bridge.
Description
Technical Field
The invention belongs to the technical field of construction of fully prefabricated assembled bridges, and particularly relates to a fully prefabricated assembled bridge construction platform and a construction method.
Background
At present, the research and application of domestic fabricated concrete bridges are later than foreign countries, but in recent years, with the economic development of China, a large number of bridges are built, a lot of new technologies and new processes are applied, but in terms of the application and development of fabricated bridges, the assembled degree of concrete bridges and culverts has a small gap compared with foreign countries. The research of the industrialized construction technology of the assembled concrete bridge is developed from the traditional upper structure assembly of the bridge to the integral prefabrication assembly of the bridge and culvert structure, and the comprehensive prefabrication and assembly technology of bridge decks, concrete beam bodies, bridge lower structures and the like is realized.
In order to meet the requirements of the corresponding countries, the construction environment, especially the concrete pouring, causes great damage to the surrounding environment, so that the factory and industrialization of bridge construction are urgently needed to reduce the influence on the construction site environment. Therefore, most bridge construction procedures are finished in a factory, and the influence on the construction site environment is reduced to the maximum extent. Because the construction man-hour is longer during bridge construction, and the pouring environment is often gone on under the environment that has certain danger, has the potential safety hazard to the constructor, so prefabricated assembly construction technique breeds, along with economic development and timely progress, the building crazy evil does not meet the lagging of construction technique enough, and the full prefabricated assembled bridge girder technique is rapidly developed in recent years, and the assembled bridge girder becomes the rapid development momentum in recent years.
Through the above analysis, the problems and defects of the prior art are as follows:
the prefabricated bridge assembling technology is not supported by mature technology, the prefabricated bridge assembling technology appears in recent years in China, intermediate facilities are needed in the bridge assembling process, manpower, material resources and construction time are wasted, and the influence on the surrounding environment is large.
The difficulty in solving the above problems and defects is: in the construction process, intermediate facilities such as a sidewalk, a trestle and the like do not need to be built, and the technology cannot be applied to practical problems in a short time in recent years at the exploration stage because of no mature technology.
The significance of solving the problems and the defects is as follows: a large number of bridges are quickly built, a plurality of new technologies and new processes are researched and applied, the application and development of the assembled bridge are accelerated and popularized, and the difference between the assembling degree of the concrete bridge and the foreign countries is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a fully prefabricated assembled bridge construction platform and a construction method.
The invention is realized in such a way that a fully prefabricated bridge construction platform and a construction method are provided with pile columns, temporary pile caps, connecting frames, cross beams, platform plates and temporary railings.
Further the pile sets up on inserting each pile foundation that beats and finish, is provided with temporary pile cap on the top of pile, be provided with between each temporary pile cap along the horizontal link of bridge, the temporary pile cap is equipped with the connecting hole along vertical direction, overlaps the temporary pile cap through the round pin axle in the connecting hole and establishes the upper end of pile.
And further the platform plate is arranged above the bearing truss girder for construction operation of constructors, and temporary railings are arranged on two sides of the platform plate along the extending direction of the bridge to protect constructors.
Further T type roof beam is installed below the landing slab, provides the holding power for the landing slab, and T type roof beam also is used for the link simultaneously.
The invention also aims to provide a construction method of the fully prefabricated assembled bridge
By combining all the technical schemes, the invention has the advantages and positive effects that: the fully prefabricated assembled bridge construction platform has the advantages of simple structure, clear force transmission path and strong bearing capacity, and the construction platform is erected on the pile columns which are driven in advance, so that the movable and falling-free parallel construction of all the procedures of the fully prefabricated assembled bridge can be realized, and the construction efficiency is greatly improved; in addition, a trestle and an access way do not need to be built around the bridge in the construction operation process, so that the damage of the construction operation to the original environment around the bridge is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural schematic diagram of a fully prefabricated assembled bridge construction platform and a construction method provided by an embodiment of the invention.
In the figure: 1. a temporary railing; 2. pile columns; 3. a platform plate; 4. a cross beam; 5. a temporary pile cap; 6. a pin shaft; 7. a connecting frame; 8. a load-bearing truss beam; 9. t-shaped beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a fully prefabricated assembled bridge construction platform and a construction method, and the invention is described in detail below with reference to the accompanying drawings.
The invention discloses a full prefabricated assembled bridge construction platform as shown in figure 1, which is provided with: a temporary balustrade 1; a pile 2; a platen plate 3; a cross beam 4; a temporary pile cap 5; a pin 6; a connecting frame 7; a load-bearing truss beam 8; a T-beam 9.
The temporary pile cap 5 is formed by welding seamless steel tube capping plates; the temporary pile cap 5 is sleeved on the pile column 2, the pin shaft 6 is inserted into the connecting hole on the same level, the temporary pile cap 5 is sleeved on the pile column 2, and the height of the temporary pile cap 5 can be adjusted by adjusting the connecting hole where the pin shaft 6 is located.
When the next bridge construction is to be carried out, the pile 2, the framework cross beam 4 and the bearing truss beam 8 are constructed to extend forwards towards the previous base.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed in the present invention should be covered within the scope of the present invention.
Claims (6)
1. A full prefabricated assembled bridge construction platform is characterized in that the full prefabricated assembled bridge construction platform is provided with pile columns, temporary pile caps, connecting frames, cross beams, platform plates and temporary handrails;
the temporary pile cap is provided with a connecting hole along the length direction, and the temporary pile cap is sleeved at the upper end of the pile through a pin shaft arranged in the connecting hole in a penetrating manner.
2. The fully prefabricated assembled bridge construction platform of claim 1, wherein the cross beam is a steel member formed by assembling and welding double-split I-shaped steel or H-shaped steel.
3. The fully prefabricated assembled bridge construction platform of claim 1, wherein the cross beam is provided with a limiting groove, the bearing truss girder is arranged in the limiting groove, and a polytetrafluoroethylene plate is laid at the bottom of the limiting groove.
4. The fully precast assembled bridge construction platform of claim 1, wherein the load-bearing truss girders between adjacent spans of the bridge are overlap-jointed on the cross girders in a staggered manner.
5. The fully prefabricated assembled bridge construction platform of claim 1, wherein the platform plate is provided with temporary railings which are arranged in the hole grooves reserved in the platform plate through pin holes.
6. The fully prefabricated assembled bridge construction platform of claim 1, wherein the connection frames are connected by i-shaped steel through buckling and staggering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980631.4A CN113981821A (en) | 2021-08-25 | 2021-08-25 | Full-prefabricated assembled bridge construction platform and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980631.4A CN113981821A (en) | 2021-08-25 | 2021-08-25 | Full-prefabricated assembled bridge construction platform and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113981821A true CN113981821A (en) | 2022-01-28 |
Family
ID=79735217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980631.4A Pending CN113981821A (en) | 2021-08-25 | 2021-08-25 | Full-prefabricated assembled bridge construction platform and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113981821A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087750A (en) * | 2016-06-21 | 2016-11-09 | 中国建筑第六工程局有限公司 | Pile integrative-structure does not land the construction method of construction steel platform across stake formula |
| CN110670488A (en) * | 2019-10-15 | 2020-01-10 | 中铁二十四局集团安徽工程有限公司 | Full-prefabricated assembled bridge construction platform and construction method |
-
2021
- 2021-08-25 CN CN202110980631.4A patent/CN113981821A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087750A (en) * | 2016-06-21 | 2016-11-09 | 中国建筑第六工程局有限公司 | Pile integrative-structure does not land the construction method of construction steel platform across stake formula |
| CN110670488A (en) * | 2019-10-15 | 2020-01-10 | 中铁二十四局集团安徽工程有限公司 | Full-prefabricated assembled bridge construction platform and construction method |
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