CN109403674B - Assembled prefabrication factory for bridge construction and construction method thereof - Google Patents
Assembled prefabrication factory for bridge construction and construction method thereof Download PDFInfo
- Publication number
- CN109403674B CN109403674B CN201811582695.3A CN201811582695A CN109403674B CN 109403674 B CN109403674 B CN 109403674B CN 201811582695 A CN201811582695 A CN 201811582695A CN 109403674 B CN109403674 B CN 109403674B
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- bridge
- prefabrication
- construction
- bottom plate
- factory
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides an assembled prefabrication factory for bridge construction and a construction method thereof, which belong to the field of bridge construction. The prefabricated factory for bridge construction comprises a bottom plate which spans over a bridge, wherein the bottom plate is supported by a support beam and a support pier column; the support pier columns are supported on the ground and distributed on two sides of the bridge; the support beam is detachably erected at the top of the support pier column and is abutted with the bottom of the bottom plate; the bottom plate is provided with hanging equipment and production equipment for prefabricated parts; the bottom plate is provided with a hanging opening.
Description
Technical Field
The invention belongs to the field of bridge construction, and particularly relates to an assembled prefabrication factory for bridge construction and a construction method thereof.
Background
In bridge construction, it is often necessary to construct a prefabrication factory to prefabricate the components required for bridge construction. At present, a prefabrication factory for bridge construction is usually used for site selection construction near an engineering construction site, dismantling after the bridge construction is completed, and carrying out repeated tillage on occupied land so as to eliminate damage caused by digging damage, collapse, occupation by pressing and the like.
However, the construction of the prefabrication factory in the existing bridge construction has the following problems: (1) As the national protection measures for land resources are more and more strict, the national policy is that the damage is not allowed aiming at most self-reserved lands, which is a great limit on site selection of a prefabrication factory during bridge construction; (2) When the mountain area is constructed, a large-area flat land is lack for constructing a prefabrication factory; (3) If the site selection of the prefabrication factory is far away from the bridge construction site, the transportation cost of the components is extremely high; (4) The prefabrication factory needs to be dismantled after construction is finished, so that certain resource waste is caused, and certain damage to the land can be caused.
Therefore, how to provide a prefabricated factory for bridge construction, which has small occupied area, can be built nearby, can be recycled and has small damage to the land, is a technical problem which needs to be solved urgently at present.
Disclosure of Invention
Aiming at the defects of the construction of the prefabricated factory in the prior bridge construction, the invention provides an assembled prefabricated factory for the bridge construction and a construction method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention provides an assembled prefabrication factory for bridge construction, which comprises a bottom plate which spans over a bridge, wherein the bottom plate is supported by a supporting beam and a supporting pier column; the support pier columns are supported on the ground and distributed on two sides of the bridge; the support beam is detachably erected at the top of the support pier column and is abutted with the bottom of the bottom plate; the bottom plate is provided with hanging equipment and production equipment for prefabricated parts; the bottom plate is provided with a hanging opening.
Preferably, the bridge further comprises sliding rails laid on the ground on two sides of the bridge along the extending direction of the bridge, and the bottoms of the supporting pier columns are in sliding fit with the sliding rails.
Preferably, the bottom of the supporting pier column is provided with a pulley in rolling fit with the sliding rail, and the sliding rail is detachably connected with a stop block for blocking and supporting the pulley.
Preferably, the production facility includes a sand and stone material storage facility, a concrete stirring facility, a reinforcing bar processing facility, a prefabricated pedestal, a component prefabricated mold placed on the prefabricated pedestal, a maintenance pedestal, and a transport facility for transporting sand and stone materials, reinforcing bars, and components between the sand and stone material storage facility, the concrete stirring facility, the reinforcing bar processing facility, the prefabricated pedestal, and the maintenance pedestal.
Preferably, the hoisting equipment comprises two crane beams which are arranged on two sides of the hoisting opening in parallel, and a bridge crane is arranged across the two crane beams.
Preferably, the number of the supporting pier columns is multiple, the supporting pier columns are symmetrically distributed on two sides of the bridge, and at least two supporting pier columns are located on each side of the bridge; two of the support pier columns are symmetrically arranged, one support beam is erected at the top of each support pier column, and two adjacent support pier columns on the same side of the bridge are erected at the top of each support pier column.
The invention also provides a construction method of the assembled prefabrication factory for bridge construction, which is characterized by comprising the following steps:
prefabrication factory construction: planning construction positions of the supporting pier columns on two sides of a bridge, standing the supporting pier columns at the planned construction positions, erecting a supporting beam on the tops of the supporting pier columns, hanging the bottom plate onto the supporting beam by using a crane, connecting and fixing the bottom plate bottom with the supporting beam, and hanging production equipment and hanging equipment onto the bottom plate by using the crane;
prefabricating and lifting components: and when the maintenance strength of the component meets the requirement, the component is hoisted to a transport vehicle parked under the hoisting opening by the hoisting equipment, and transported to a site to be constructed by the transport vehicle.
Preferably, in the prefabrication factory construction step, a distance between the bottom of the bottom plate and the top surface of the bridge is greater than or equal to 2m.
Preferably, the lifting speed or the lifting speed of the lifting equipment is less than or equal to 3m/min.
Compared with the prior art, the invention has the advantages that:
1. the prefabricated factory for bridge construction provided by the invention is constructed across the bridge, is positioned in a red line area of bridge construction, effectively utilizes vertical space, does not need to occupy other lands, does not need to carry out repeated tillage restoration after being dismantled, responds to the national protection requirements of land resources, can avoid occupying self-reserved lands, farmlands and the like, and is beneficial to the land resource protection;
2. the bottom plate, the supporting beam and the supporting pier column of the fabricated prefabrication factory for bridge construction are all in a detachable connection mode, and the hoisting equipment and the production equipment can be arranged in a hoisting mode, so that the fabricated prefabricated factory is convenient to detach quickly after bridge construction is finished, can be reused after detachment, and is low in manufacturing cost and good in economic benefit;
3. the assembled prefabrication factory for bridge construction is particularly suitable for bridge construction in mountain areas, solves the problems that the prefabrication factory is difficult to address and even cannot be constructed in mountain area construction, and has important significance for improving traffic in the mountain areas;
4. the assembled prefabrication factory for bridge construction provided by the invention can adjust the position of the assembled prefabrication factory according to the bridge construction condition in time by utilizing the arranged sliding rail, so that the assembled prefabrication factory is close to the current construction site, and the transportation cost of the prefabricated member is greatly reduced.
Drawings
Fig. 1 is a front view of an assembled prefabrication factory for bridge construction according to an embodiment of the present invention;
FIG. 2 is a left side view of an assembled prefabrication factory for bridge construction according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the arrangement of the lifting device, the production device and the lifting opening on the bottom plate according to the embodiment of the invention;
fig. 4 is a schematic structural diagram of a lifting device according to an embodiment of the present invention;
in the above figures: 1. a bridge; 2. a bottom plate; 21. a hanging port; 3. a support beam; 4. supporting pier columns; 5. a lifting device; 51. a crane beam; 52. a bridge crane; 6. production equipment; 61. a reinforcing bar processing device; 62. maintaining a pedestal; 63. a sand and stone storage device; 64. prefabricating a pedestal; 65. prefabricating a mould for the component; 66. a concrete mixing apparatus; 67. a transport device; 7. a slide rail; 8. a pulley; 9. and a stop block.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the positional relationship indicated by the terms such as "upper", "lower", etc. are based on the positional relationship shown in fig. 1, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention relates to an assembled prefabrication factory for bridge construction, comprising a bottom plate 2 crossing over a bridge 1, the bottom plate 2 being supported by a support beam 3 and a support pier 4; the support pier columns 4 are supported on the ground and distributed on two sides of the bridge 1; the support beam 3 is detachably erected on the top of the support pier column 4 and is abutted with the bottom of the bottom plate 2; a lifting device 5 and a production device 6 for prefabricated parts are arranged on the bottom plate 2; the base plate 2 is provided with a hanging opening 21 for hanging various production materials and prefabricated components.
The prefabricated factory for bridge construction is constructed across the bridge 1, is located in a red line area of bridge 1 construction, effectively utilizes vertical space, does not need to occupy other lands, does not need to carry out repeated tillage restoration after being dismantled, responds to the national protection requirements of land resources, can avoid occupying self-reserved lands, farmlands and the like, and is beneficial to land resource protection. Moreover, the bottom plate 2, the supporting beam 3 and the supporting pier column 4 of the prefabricated factory are all in a detachable connection mode, and the hoisting equipment 5 and the production equipment 6 can be arranged in a hoisting mode, so that the prefabricated factory can be quickly detached after bridge construction is finished, and the prefabricated factory can be repeatedly used after detachment, and is low in manufacturing cost and good in economic benefit. In addition, the assembled prefabrication factory for bridge construction is particularly suitable for bridge construction in mountain areas, solves the problems that the prefabrication factory is difficult to address and even cannot be constructed in mountain area construction, and has important significance for improving traffic in mountain areas.
As shown in fig. 1 and 2, the prefabricated factory for bridge construction further includes a sliding rail 7 laid on the ground at two sides of the bridge 1 along the extending direction of the bridge 1, and the bottom of the supporting pier 4 is slidably matched with the sliding rail 7. Along with the progress of bridge construction, through promoting this prefabricated factory of assembled along bridge 1 extending direction removal, can in time adjust this prefabricated factory of position according to the bridge construction condition, make it be close to current job site to reduce prefabricated component's transportation cost. Further, in order to facilitate the movement of the prefabricated factory along the sliding rail 7, as shown in fig. 2, the bottom of the supporting pier column 4 is provided with a pulley 8 in rolling fit with the sliding rail 7, and a stop block 9 for blocking the pulley 8 is detachably connected to the sliding rail 7.
As shown in fig. 3, the production facility 6 includes a sand and stone storage facility 63, a concrete stirring facility 66, a reinforcing bar processing facility 61, a prefabrication pedestal 64, a component prefabrication mold 65 placed on the prefabrication pedestal 64, a maintenance pedestal 62, and a transport facility 67 for transporting sand and stone, reinforcing bars, and components between the sand and stone storage facility 63, the concrete stirring facility 66, the reinforcing bar processing facility 61, the prefabrication pedestal 64, and the maintenance pedestal 62. It should be noted that, the above-mentioned production devices 6 are all common devices used for prefabricated components, and specific structures thereof are well known to those skilled in the art, and are not described herein.
Further, as shown in fig. 3 and 4, the hoisting apparatus 5 includes two crane beams 51 disposed in parallel on both sides of the hoisting port, and a bridge crane 52 is installed across the two crane beams 51. When the production raw materials or components are hung, the production raw materials or components are hung on the hanging hook of the bridge crane 52 through the conveying equipment 67 or manual conveying, and the bridge crane 52 is utilized to realize the hanging and conveying of the production raw materials or components between the ground and the prefabricated factory. It should be noted that, the bridge crane 52 is a crane commonly used in the art, and the structure and the installation method thereof are well known to those skilled in the art, and are not described herein.
In addition, it should be noted that, in order to ensure stable structure of the above-mentioned prefabricated factory for bridge construction, as shown in fig. 1 and fig. 2, there are a plurality of support pillars 4, and a plurality of support pillars 4 are symmetrically distributed on two sides of the bridge 1, and there are at least two support pillars 4 located on each side of the bridge 1; the tops of two support pier columns 4 symmetrically arranged are provided with a support beam 3, and the tops of two adjacent support pier columns 4 positioned on the same side of the bridge 1 are provided with a support beam 3.
The embodiment of the invention also provides a construction method of the assembled prefabrication factory for bridge construction, which comprises the following steps:
s1, construction of a prefabrication factory: planning construction positions of supporting pier columns 4 on two sides of a bridge 1, standing the supporting pier columns 4 at the planned construction positions, erecting supporting beams 3 on the tops of the supporting pier columns 4, hanging a bottom plate 2 onto the supporting beams 3 by using a crane, connecting and fixing the bottom of the bottom plate 2 with the supporting beams 3, and hanging production equipment 6 and hanging equipment 5 onto the bottom plate 2 by using the crane;
s2, prefabricating and lifting a component: the hoisting equipment 5 is used for hoisting the raw materials required by prefabrication of the components onto the bottom plate 2 through the hoisting opening 21, the production equipment 6 is used for completing prefabrication and maintenance of the components, after the maintenance strength of the components meets the requirements, the components are hoisted onto a transport vehicle parked under the hoisting opening 21 through the hoisting opening 21 by the hoisting equipment 5, and the transport vehicle is used for transporting to a site to be constructed. In this step, if the concrete stirring equipment 66 required for the prefabricated parts is too large, the preparation and stirring of concrete can be performed on the ground, and the concrete is pumped from the ground to the production equipment 6 provided on the floor 2 by the transfer pump.
In the construction method, in the prefabrication factory construction step, the distance between the bottom of the bottom plate 2 and the top surface of the bridge 1 is more than or equal to 2m. The arrangement can reserve space for bridge construction, and the influence on the construction of the bridge 1 is avoided.
In the construction method, the lifting speed or the lifting speed of the lifting equipment 5 is less than or equal to 3m/min so as to ensure the construction safety.
Claims (8)
1. The construction method of the assembled prefabrication factory for bridge construction is characterized by comprising the following steps of: the prefabricated factory for bridge construction comprises a bottom plate (2) which spans over a bridge (1), wherein the bottom plate (2) is supported by a supporting beam (3) and a supporting pier column (4); the support pier columns (4) are supported on the ground and distributed on two sides of the bridge (1); the support beam (3) is detachably erected at the top of the support pier column (4) and is abutted with the bottom of the bottom plate (2); a lifting device (5) and a production device (6) for prefabricated parts are arranged on the bottom plate (2); the bottom plate (2) is provided with a hanging opening (21);
the construction method comprises the following steps:
prefabrication factory construction: planning construction positions of the supporting pier columns (4) on two sides of the bridge (1), standing the supporting pier columns (4) at the planned construction positions, erecting a supporting beam (3) on the tops of the supporting pier columns (4), hanging the bottom plate (2) onto the supporting beam (3) by using a crane, connecting and fixing the bottom of the bottom plate (2) with the supporting beam (3), and hanging production equipment (6) and hanging equipment (5) onto the bottom plate (2) by using the crane;
prefabricating and lifting components: and the hoisting equipment (5) is used for hoisting the raw materials required by prefabrication of the component onto the bottom plate (2) through the hoisting opening (21), the production equipment (6) is used for finishing prefabrication and maintenance of the component, and after the maintenance strength of the component meets the requirement, the hoisting equipment (5) is used for hoisting the component onto a transport vehicle parked under the hoisting opening (21) through the hoisting opening (21), and the transport vehicle is used for transporting the component to a site to be constructed.
2. The construction method of an assembled prefabrication factory for bridge construction according to claim 1, wherein: the prefabricated factory of assembled still includes along the extending direction of bridge (1) shop in slide rail (7) on bridge (1) both sides ground, the bottom of support pier stud (4) with slide rail (7) sliding fit.
3. The construction method of an assembled prefabrication factory for bridge construction according to claim 2, wherein: the bottom of support pier stud (4) be equipped with slide rail (7) rolling fit's pulley (8), be connected with on slide rail (7) detachably and be used for keeping off and prop up dog (9) of pulley (8).
4. The construction method of an assembled prefabrication factory for bridge construction according to claim 1, wherein: production facility (6) are including grit material storage facility (63), concrete mixing equipment (66), reinforcing bar processing equipment (61), prefabrication pedestal (64), place in component prefabrication mould (65) on prefabrication pedestal (64), maintenance pedestal (62), and be used for conveying grit material, reinforcing bar and transportation equipment (67) of component between grit material storage facility (63), concrete mixing equipment (66), reinforcing bar processing equipment (61), prefabrication pedestal (64) and maintenance pedestal (62).
5. The construction method of an assembled prefabrication factory for bridge construction according to claim 1, wherein: the lifting device (5) comprises two crane beams (51) which are arranged on two sides of the lifting opening (21) in parallel, and a bridge crane (52) is erected across the two crane beams (51).
6. The construction method of an assembled prefabrication factory for bridge construction according to claim 1, wherein: the number of the supporting pier columns (4) is multiple, the supporting pier columns (4) are symmetrically distributed on two sides of the bridge (1), and at least two supporting pier columns (4) are located on each side of the bridge (1); two of the support pier columns (4) which are symmetrically arranged are provided with a support beam (3) at the top, and two adjacent support pier columns (4) which are positioned on the same side of the bridge (1) are provided with a support beam (3) at the top.
7. The construction method of an assembled prefabrication factory for bridge construction according to claim 1, wherein: in the prefabrication factory construction step, the distance between the bottom of the bottom plate (2) and the top surface of the bridge (1) is more than or equal to 2m.
8. The construction method of an assembled prefabrication factory for bridge construction according to claim 1, wherein: the lifting speed or the lifting speed of the lifting equipment (5) is less than or equal to 3m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582695.3A CN109403674B (en) | 2018-12-24 | 2018-12-24 | Assembled prefabrication factory for bridge construction and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582695.3A CN109403674B (en) | 2018-12-24 | 2018-12-24 | Assembled prefabrication factory for bridge construction and construction method thereof |
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| Publication Number | Publication Date |
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| CN109403674A CN109403674A (en) | 2019-03-01 |
| CN109403674B true CN109403674B (en) | 2023-08-08 |
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| CN201811582695.3A Active CN109403674B (en) | 2018-12-24 | 2018-12-24 | Assembled prefabrication factory for bridge construction and construction method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110747748A (en) * | 2019-10-30 | 2020-02-04 | 中铁建大桥工程局集团第三工程有限公司 | Arc concrete precast pedestal arch ring segment beam moving construction method |
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| CN107640706A (en) * | 2017-09-22 | 2018-01-30 | 郑州新大方重工科技有限公司 | A kind of crane gear and its construction method |
| CN107675636A (en) * | 2017-09-08 | 2018-02-09 | 武汉二航路桥特种工程有限责任公司 | A kind of universal bridge structure thing method for dismounting and system |
| CN209443849U (en) * | 2018-12-24 | 2019-09-27 | 中交一航局第二工程有限公司 | Prefabricated factory for bridge construction |
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2018
- 2018-12-24 CN CN201811582695.3A patent/CN109403674B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101404481B1 (en) * | 2013-07-05 | 2014-06-10 | 박상현 | Bridge construction method using road decking panel at limited space for girder manufacturing |
| CN103924527A (en) * | 2014-04-29 | 2014-07-16 | 中铁四局集团有限公司 | Highway girder fabrication yard arrangement structure which is environmentally friendly, saves resources and integrates frame fabrication and construction method thereof |
| CN105401958A (en) * | 2015-11-18 | 2016-03-16 | 成都华川公路建设集团有限公司 | Prefabricating construction method with movable prefabricating trolley for tunnel cable trench cover plate |
| CN107675636A (en) * | 2017-09-08 | 2018-02-09 | 武汉二航路桥特种工程有限责任公司 | A kind of universal bridge structure thing method for dismounting and system |
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| CN209443849U (en) * | 2018-12-24 | 2019-09-27 | 中交一航局第二工程有限公司 | Prefabricated factory for bridge construction |
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