CN114908680A - Rapid prefabricating, mounting and constructing method for assembled pi-shaped steel-concrete composite beam - Google Patents
Rapid prefabricating, mounting and constructing method for assembled pi-shaped steel-concrete composite beam Download PDFInfo
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- CN114908680A CN114908680A CN202210518705.7A CN202210518705A CN114908680A CN 114908680 A CN114908680 A CN 114908680A CN 202210518705 A CN202210518705 A CN 202210518705A CN 114908680 A CN114908680 A CN 114908680A
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- concrete composite
- composite beam
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- 239000002131 composite material Substances 0.000 title claims abstract description 97
- 239000004567 concrete Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims description 6
- 238000010276 construction Methods 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000009417 prefabrication Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011148 porous material Substances 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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application discloses a construction method for quickly prefabricating, installing and constructing an assembled Pi-shaped steel-concrete composite beam, which is characterized by comprising the following steps of: step 1, prefabricating a steel-concrete composite beam; step 2, transporting the prefabricated steel-concrete composite beam to a bridge construction position; step 3, mounting the prefabricated steel-concrete composite beam on a pier; before the step 3, two sliding rails are fixedly arranged between the adjacent piers so that the steel-concrete composite beam slides from one of the piers to the other pier, and a driving component for driving the steel-concrete composite beam to slide is arranged; step 4, pass through drive assembly with the steel-concrete composite beam and install one by one on the pier, this application slides the steel-concrete composite beam to the other end of bridge construction position from the one end of bridge construction position one by one through drive assembly to constitute the bridge, need not to use the bridging machine, easy operation, labour saving and time saving.
Description
Technical Field
The application relates to the field of steel-concrete composite beams, in particular to a construction method for quickly prefabricating and installing an assembled Pi-shaped steel-concrete composite beam.
Background
The proportion of the prefabricated assembly beam in the urban bridge is increased day by day, although the process is mature, the construction difficulty is larger in the traditional structures such as the prefabricated small box beam and the hollow slab, and the steel-concrete combined beam is formed by connecting two materials of steel and concrete into a whole, so that the tensile property of steel and the compressive property of concrete are fully exerted.
In the related art, when the steel-concrete composite beam is constructed, the steel-concrete composite beam is generally prefabricated in a factory, then the steel-concrete composite beam is transported to a bridge construction position, and then the steel-concrete composite beam is hung on a bridge pier through a bridge girder erection machine.
In view of the above related technologies, the inventor thinks that, for some small-sized bridge constructions, when the steel-concrete composite beam is hoisted on a pier, a bridge girder erection machine still needs to be adopted, and the bridge girder erection machine has large volume, is complex to operate, and wastes time and labor.
Disclosure of Invention
In order to install the steel-concrete composite beam on a pier, the application provides a rapid prefabrication and installation construction method for an assembled pi-shaped steel-concrete composite beam.
The application provides a quick prefabrication, installation and construction method of an assembled pi-shaped steel-concrete composite beam, which adopts the following technical scheme:
a construction method for quickly prefabricating and installing an assembled Pi-shaped steel-concrete composite beam comprises the following steps: step 1, prefabricating a steel-concrete composite beam;
before the step 3, two sliding rails are fixedly arranged between the adjacent piers so that the steel-concrete composite beam slides from one of the piers to the other pier, and a driving component for driving the steel-concrete composite beam to slide is arranged;
and 4, mounting the steel-concrete composite beams on the piers one by one through driving components.
By adopting the technical scheme, when the prefabricated steel-concrete composite beam is used, after the prefabricated steel-concrete composite beam is transported to one end of a bridge construction position, the prefabricated steel-concrete composite beam is hung on the slide rail through the crane, the steel-concrete composite beam is driven to slide to the other end of the bridge construction position through the driving assembly, the steel-concrete composite beam is hung on the slide rail one by one, the steel-concrete composite beam is driven to slide through the driving assembly in sequence, and the plurality of steel-concrete composite beams are abutted one by one to form a bridge; the steel-concrete composite beam is slid to the other end of the bridge construction position from one end of the bridge construction position one by one through the driving assembly to form a bridge, a bridge erecting machine is not needed, and the steel-concrete composite beam is simple to operate, time-saving and labor-saving.
Optionally, the driving assembly comprises a first motor and a winding roller, the winding roller is rotatably installed at the bridge construction position, a steel cable is wound on the winding roller, a connecting piece used for connecting the reinforced concrete composite beam is arranged at the other end of the steel cable, and the first motor is used for driving the winding roller to rotate.
By adopting the technical scheme, when the steel-concrete composite beam is driven to slide, the first motor is started to drive the winding roller to rotate, so that the steel cable can be wound, the steel-concrete composite beam and the steel cable are connected through the connecting piece, the steel cable can be wound to drive the steel-concrete composite beam to slide along the sliding rail, and the steel-concrete composite beam can slide from one end of the bridge construction position to the other end of the bridge construction position.
Optionally, the connecting piece includes a hook, and a hanging groove for hanging the hook is formed in the reinforced concrete composite beam.
By adopting the technical scheme, when the steel-concrete composite beam and the steel cable are connected, the hook can be hung on the hanging groove; the connecting piece is simple in structure and convenient to operate.
Optionally, the reinforced concrete composite beam includes first section, tail section and a plurality of interlude, interlude one end with the equal fixedly connected with inserted bar of one end of first section, the other end of interlude with the one end of tail section has all been seted up the confession the inserted bar male recess.
Through adopting above-mentioned technical scheme, divide into first section, back end and a plurality of interlude with the steel-concrete composite beam to through the cooperation of inserted bar and recess, when the equipment bridge, can strengthen the holistic stability of bridge.
Optionally, an air bag is arranged on the outer wall of the inserted bar, the air bag expands to tightly abut against the inner wall of the groove, and an inflation assembly for inflating the air bag is arranged on the reinforced concrete composite beam.
Through adopting above-mentioned technical scheme, after the inserted bar inserts in the recess, dash the gasbag through inflatable component, the gasbag inflation supports tight recess inner wall to can prevent that the inserted bar from breaking away from the recess, reinforcing inserted bar and recess connection stability.
Optionally, a communication hole is formed in the inner wall of the groove, the communication hole is communicated with the airbag, the inflation assembly comprises a piston block and a spring, the piston block is slidably connected in the communication hole, one end of the piston block extends into the groove and is located on the movable path of the insertion rod, and the part, located in the groove, of one surface, far away from the bottom surface of the groove, of the piston block is an arc-shaped convex surface; the spring is used for resetting the piston block.
Through adopting above-mentioned technical scheme, when the inserted bar was inserting the recess, the inserted bar promoted the piston piece and entered into the intercommunicating pore to can aerify the gasbag, and the spring is convenient for the reset of piston piece, when initial installation, can guarantee that the piston piece is located the activity route of inserted bar, should aerify subassembly simple structure, convenient operation.
Optionally, a reinforcing rod for supporting the sliding rail is arranged on the pier.
Through adopting above-mentioned technical scheme, be convenient for strengthen the stability of slide rail.
Optionally, the steel-concrete composite beam is provided with a roller for driving the steel-concrete composite beam to slide.
Through adopting above-mentioned technical scheme, be convenient for remove steel-concrete composite beam.
To sum up, the application comprises the following beneficial technical effects:
1. according to the bridge construction method, the steel-concrete composite beams are slid to the other end of the bridge construction position from one end of the bridge construction position one by one through the driving assembly to form the bridge, a bridge erecting machine is not needed, the operation is simple, and time and labor are saved;
2. this application divide into first section, tail section and a plurality of interlude with the steel-concrete composite beam to through the cooperation of inserted bar and recess, when the equipment bridge, can strengthen the holistic stability of bridge.
Drawings
FIG. 1 is a schematic overall structure diagram of a construction method for quickly prefabricating and installing an assembled Pi-shaped steel-concrete composite beam according to an embodiment of the application;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
fig. 3 is a cross-sectional view of the intermediate section of fig. 2.
Description of reference numerals:
1. a steel-concrete composite beam; 2. a bridge pier; 3. a slide rail; 4. a chute; 5. connecting grooves; 6. a lap joint groove; 7. a reinforcing rod; 8. a first motor; 9. a wind-up roll; 10. a steel cord; 11. hooking; 12. a moving block; 13. connecting ropes; 14. hanging a groove; 15. a pulley; 16. a second motor; 17. a first stage; 18. a middle section; 19. a tail section; 20. inserting a rod; 21. a groove; 22. a receiving groove; 23. an air bag; 24. a piston block; 25. a spring; 26. a communicating hole; 27. a communicating groove; 28. a support frame; 29. a cross beam; 30. concrete bridge deck.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a construction method for quickly prefabricating and installing an assembled Pi-shaped steel-concrete composite beam. Referring to fig. 1 and 2, the construction method includes the steps of: step 1, prefabricating a steel-concrete composite beam 1;
before the step 3, two slide rails 3 are fixedly arranged between the adjacent piers 2 so that the steel-concrete composite beam 1 slides from one pier 2 to the other pier 2, and a driving component for driving the steel-concrete composite beam 1 to slide is arranged;
and 4, mounting the steel-concrete composite beams 1 on the piers 2 one by one through driving components.
3 length direction of slide rail in this embodiment sets up along 2 shortest distances of two adjacent piers, and seted up spout 4 on the slide rail 3, spread groove 5 has been seted up on the pier 2, 3 laps of slide rail are on spread groove 5, and spread groove 5 bottom surfaces set up and supply 3 lapped overlap joint grooves 6 of slide rail, 6 degree of depth in overlap joint groove and the bottom surface thickness of slide rail 3 are unanimous, in order to guarantee spread groove 5 bottom surfaces and 4 bottom surface highly uniform of spout, simultaneously through the setting of overlap joint groove 6, can guarantee the stability of slide rail 3.
In addition, in order to enhance the stability of the slide rail 3, a reinforcing rod 7 is fixedly connected between the adjacent piers 2, the reinforcing rod 7 is obliquely arranged, and the other end of the reinforcing rod 7 is fixedly connected with the slide rail 3 so as to support the slide rail 3.
In addition, according to actual conditions, the slide rails 3 on the piers 2 close to the ground on the two sides of the river channel are extended to the ground, and the slide rails 3 are fixed on the ground through foundation bolts.
The drive assembly in this embodiment includes motor 8 and wind-up roll 9, and wind-up roll 9 rotates to be connected subaerial at bridge construction position one end, twines two cable wires 10 of fixedly connected with on the wind-up roll 9, and the cable wire 10 other end is provided with the connecting piece that is used for connecting reinforced concrete composite beam 1, the coaxial fixed connection wind-up roll 9 of 8 output shafts of motor.
The connecting piece includes couple 11, and the one end fixedly connected with movable block 12 of wind-up roll 9 is kept away from to cable wire 10, and fixedly connected with connects rope 13 on the movable block 12, connects rope 13 other end fixed connection couple 11, and the grooving 14 that supplies couple 11 to articulate is seted up to one side of steel-concrete composite beam 1.
In this embodiment, the moving block 12 is rotatably connected with a pulley 15, and the moving block 12 is fixedly connected with a second motor 16 for driving the pulley 15 to rotate.
In actual use, after the steel-concrete composite beam 1 slides to one end of a bridge construction position, the hook 11 is separated from the hanging groove 14, then the moving block 12 is placed on the sliding rail 3, the pulley 15 is inserted into the sliding groove 4, then the pulley 15 is driven to rotate through the second motor 16, the moving block 12 moves to the bridge construction position at one end where the steel-concrete composite beam 1 is placed, then the steel-concrete composite beam 1 is hung on the sliding rail 3 through the crane, then the hook 11 is hung on the hanging groove 14, and the next steel-concrete composite beam 1 continues to slide.
Referring to fig. 2 and 3, the steel-concrete composite beam 1 in this embodiment is divided into a first section 17, a last section 19 and a plurality of middle sections 18, the steel-concrete composite beam 1 is divided into the first section 17, the last section 19 and the plurality of middle sections 18, one end of each of the middle sections 18 and one end of the first section 17 are fixedly connected with an inserted rod 20, and the other end of each of the middle sections 18 and one end of each of the last sections 19 are provided with a groove 21 for inserting the inserted rod 20.
When the bridge is used, the tail section 19 is firstly slid to one end of a bridge construction position through the driving assembly, then the middle sections 18 are slid to one end of the bridge construction position one by one, the first section 17 is slid to one end of the bridge construction position, and the inserted rod 20 is inserted into the groove 21.
In addition, in order to ensure the stability of the inserted link 20 after being inserted into the groove 21, the outer wall of the inserted link 20 is provided with an accommodating groove 22, an air bag 23 is fixedly connected in the accommodating groove 22, an inflating assembly is arranged on the steel-concrete composite beam 1 to inflate the air bag 23, and the air bag 23 is tightly abutted to the inner wall of the groove 21 after being inflated and expanded, so that the friction force between the inserted link 20 and the groove 21 can be enhanced.
The inflation assembly comprises a piston block 24 and a spring 25, a communication hole 26 is formed in the steel-concrete composite beam 1, a communication groove 27 communicated with the communication hole 26 is formed in the center of the inserted link 20, the communication groove 27 is communicated with the air bag 23, the piston block 24 is connected in the communication hole 26 in a sliding mode, and the part, located in the groove 21, of one surface, away from the bottom surface of the groove 21, of the piston block 24 is an arc-shaped convex surface; the spring 25 is fixedly connected with the inner wall of the communicating hole 26, the length direction of the spring 25 is arranged along the sliding direction of the piston block 24, and the spring 25 is fixed on the piston block 24; when the spring 25 is undeformed, one end of the piston block 24 extends into the recess 21 and is located in the path of the plunger 20.
In this embodiment, the cross section of the air bag 23 is circular arc, the receiving groove 22 is adapted to the air bag 23, and the piston block 24 is abutted by the portion of the plunger 20 not opening the receiving groove 22.
And meanwhile, the outer wall of the air bag 23 is fixedly connected with an anti-slip mat which is made of rubber materials so as to enhance the connection stability of the inserted rod 20 and the groove 21.
In this embodiment, the steel-concrete composite girder 1 includes support frames 28, a cross member 29 welded between the support frames 28, and a concrete deck 30 is poured on the upper surfaces of the support frames 28 to form the steel-concrete composite girder 1.
In addition, in order to facilitate the sliding of the steel-concrete composite beam 1, rollers are arranged on the bottom surface of the steel-concrete composite beam 1.
The implementation principle of the rapid prefabricating, mounting and constructing method of the assembled Pi-shaped steel-concrete composite beam in the embodiment of the application is as follows: the prefabricated steel-concrete composite beam 1 is hoisted on a ground sliding rail 3 through a crane, then the steel-concrete composite beam 1 is slid to the pier 2 one by one through a driving assembly to form a bridge, in the process, the inserted rod 20 is inserted into the groove 21, and the air bag 23 is expanded to tightly abut against the inner wall of the groove 21 under the action of the piston block 24 and the spring 25, so that the connection stability of the inserted rod 20 and the groove 21 is ensured.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A rapid prefabricating, mounting and constructing method for an assembled Pi-shaped steel-concrete composite beam is characterized by comprising the following steps of: step 1, prefabricating a steel-concrete composite beam (1);
step 2, transporting the prefabricated steel-concrete composite beam (1) to a bridge construction position;
step 3, mounting the prefabricated steel-concrete composite beam (1) on the pier (2);
before the step 3, two sliding rails (3) are fixedly arranged between the adjacent piers (2) so that the steel-concrete composite beam (1) slides from one pier (2) to the other pier (2), and a driving component for driving the steel-concrete composite beam (1) to slide is arranged;
and 4, mounting the steel-concrete composite beams (1) on the piers (2) one by one through driving components.
2. The rapid prefabrication and installation construction method of the assembled pi shaped steel-concrete composite beam according to claim 1, wherein the driving assembly comprises a first motor (8) and a winding roller (9), the winding roller (9) is rotatably installed at a bridge construction position, a steel cable (10) is fixedly wound on the winding roller (9), a connecting piece for connecting the steel-concrete composite beam (1) is arranged at the other end of the steel cable (10), and the first motor (8) is used for driving the winding roller (9) to rotate.
3. The rapid prefabrication and installation construction method of the assembled pi-shaped steel-concrete composite beam according to claim 2, wherein the connecting piece comprises a hook (11), and a hanging groove (14) for hanging the hook (11) is formed in the steel-concrete composite beam (1).
4. The rapid prefabrication, installation and construction method of the assembled Pi-shaped steel and concrete composite beam according to claim 1, wherein the steel and concrete composite beam (1) is divided into a first section (17), a tail section (19) and a plurality of middle sections (18), wherein one end of each of the middle sections (18) and one end of the first section (17) are fixedly connected with an inserted rod (20), and grooves (21) for the inserted rods (20) to be inserted are formed in the other end of each of the middle sections (18) and one end of each of the tail sections (19).
5. The rapid prefabrication and installation construction method of the assembled pi-shaped steel-concrete composite beam according to claim 4, wherein an air bag (23) is arranged on the outer wall of the inserted rod (20), the air bag (23) expands to abut against the inner wall of the groove (21), and an inflation assembly for inflating the air bag (23) is arranged on the steel-concrete composite beam (1).
6. The rapid prefabrication and installation construction method of the assembled pi-shaped steel and concrete composite beam according to claim 5, wherein a communication hole (26) is formed in the inner wall of the groove (21), the communication hole (26) is communicated with the air bag (23), the inflation assembly comprises a piston block (24) and a spring (25), the piston block (24) is slidably connected in the communication hole (26), one end of the piston block (24) extends into the groove (21) and is positioned on the movable path of the inserted rod (20), and the part, located in the groove (21), of the surface, away from the bottom surface of the groove (21), of the piston block (24) is an arc convex surface; the spring (25) is used for resetting the piston block (24).
7. The rapid prefabrication and installation construction method of the assembled pi-shaped steel-concrete composite beam according to claim 1, characterized in that a reinforcing rod (7) for supporting the slide rail (3) is arranged on the pier (2).
8. The rapid prefabrication, installation and construction method of the assembled Pi-shaped steel-concrete composite beam according to claim 1, wherein the steel-concrete composite beam (1) is provided with rollers for driving the steel-concrete composite beam (1) to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210518705.7A CN114908680A (en) | 2022-05-13 | 2022-05-13 | Rapid prefabricating, mounting and constructing method for assembled pi-shaped steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210518705.7A CN114908680A (en) | 2022-05-13 | 2022-05-13 | Rapid prefabricating, mounting and constructing method for assembled pi-shaped steel-concrete composite beam |
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| CN114908680A true CN114908680A (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210518705.7A Pending CN114908680A (en) | 2022-05-13 | 2022-05-13 | Rapid prefabricating, mounting and constructing method for assembled pi-shaped steel-concrete composite beam |
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| CN212405598U (en) * | 2020-09-09 | 2021-01-26 | 金螳螂精装科技（苏州）有限公司 | Assembled partition wall mounting structure with self-locking function |
| CN113215991A (en) * | 2021-04-25 | 2021-08-06 | 邵阳公路桥梁建设有限责任公司 | Quick erecting device for steel box girder and construction method thereof |
| CN113294607A (en) * | 2021-04-26 | 2021-08-24 | 宝钛华神钛业有限公司 | Titanium sponge passageway pipeline interfacing apparatus that gas tightness is good |
| CN216131198U (en) * | 2021-06-18 | 2022-03-25 | 青岛中禹管业有限公司 | Prestressed steel cylinder concrete pipe with high installation speed |
| CN216275272U (en) * | 2021-11-27 | 2022-04-12 | 中交二公局第五工程有限公司 | Small box beam bridge device |
| CN216360662U (en) * | 2021-11-27 | 2022-04-22 | 湖北武桥岩土工程有限公司 | Novel bridge precast beam slab splicing structure |
| CN216370431U (en) * | 2021-10-27 | 2022-04-26 | 昆山团工工业设备有限公司 | Machining cutter for numerical control machining machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| LU61574A1 (en) * | 1969-08-26 | 1970-11-09 | ||
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