CN109487678B - Bridge plate and pier connecting structure of prefabricated bridge - Google Patents
Bridge plate and pier connecting structure of prefabricated bridge Download PDFInfo
- Publication number
- CN109487678B CN109487678B CN201811513893.4A CN201811513893A CN109487678B CN 109487678 B CN109487678 B CN 109487678B CN 201811513893 A CN201811513893 A CN 201811513893A CN 109487678 B CN109487678 B CN 109487678B
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- rod
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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- Civil Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a bridge plate and pier connection structure of a prefabricated bridge, which comprises a bridge plate, piers and rubber support rods, wherein an upper assembly hole is formed in the lower end face of the bridge plate, a lower assembly hole is formed in the lower end face of the bridge plate, an upper assembly hole annular cover is formed in the opening of the upper assembly hole, a lower assembly hole annular cover is formed in the opening of the assembly hole, a plurality of upper hooking rods are hinged to the upper end of each rubber support rod, a plurality of lower hooking rods are hinged to the lower end of each rubber support rod, the upper ends of the rubber support rods penetrate through the upper assembly hole annular covers and are hooked on the upper assembly hole annular covers, concrete is poured in the upper assembly holes, the lower ends of the rubber support rods penetrate through the lower assembly hole annular covers and are hooked on the lower assembly hole annular covers, concrete is poured in the lower assembly holes, and gaps are formed between the bridge plate and the piers. The invention has the advantages of extrusion lateral movement resistance and vibration resistance, and solves the problem of poor vibration isolation effect between the layers of the existing fabricated concrete structure.
Description
Technical Field
The invention relates to a bridge, in particular to a bridge plate and pier connecting structure of a prefabricated bridge.
Background
The bridge construction is heavy in highway, high-speed railway and city overhead construction, and in the bridge construction, the mode that the bridge slab was under construction is only two: one is prefabricated installation construction, and the other is cast-in-place construction. The prefabrication and installation construction is that the bridge plate is decomposed into unit bodies to be manufactured in a factory or a prefabrication field, and then the unit bodies forming the bridge plate are transported to the position of the bridge and installed on a pier. The bridge construction method has the advantages that: the bridge piers and the bridge plates can be constructed in parallel, and the construction period is relatively short; the influence on the under-bridge traffic (navigation) is small in the bridge construction process. For pouring together through the concrete when current connect prefabricated bridge plate and pier, this mode exists the anti poor not enough of ability of moving of junction side, then has changed to support between bridge plate and pier through the connecting seat for overcoming above-mentioned problem, and the connecting seat passes through the bolt and links together with bridge plate and pier, and this connected mode has overcome the anti poor not enough of effect of moving of the anti side that concrete bonding mode exists, but has the bolt to expose outside easy corrosion and damage thereby lead to life weak point. In either way, the vibration isolation effect is poor.
Disclosure of Invention
The invention provides a bridge plate and pier connection structure of a prefabricated bridge with good lateral movement resistance and vibration isolation effects, and solves the problem of poor vibration isolation effect between the existing prefabricated bridge plate and pier.
The technical problem is solved by the following technical scheme: a bridge plate and pier connecting structure of a prefabricated bridge comprises a bridge plate and a pier and is characterized by further comprising a rubber supporting rod, wherein an upper assembling hole is formed in the lower end face of the bridge plate, an upper assembling hole annular cover is integrally formed on the opening of the upper assembling hole, a lower assembling hole is formed in the upper end face of the pier, a lower assembling hole annular cover is integrally formed on the opening of the lower assembling hole, a plurality of upper hooking rods are hinged to the upper end of the rubber supporting rod, a plurality of lower hooking rods are hinged to the lower end of the rubber supporting rod, the upper hooking rods are arranged in the upper assembling hole annular cover in a penetrating mode and are hooked on the upper assembling hole annular cover, concrete is poured in the upper assembling hole to fix the upper hooking rods and the bridge plate together, the lower end of the rubber supporting rod is arranged in the lower assembling hole annular cover in a penetrating mode and the lower hooking rods are hooked on the lower assembling hole annular cover, concrete is poured in the lower assembling holes to fix the lower hook connecting rods and the piers together, and gaps are formed between the bridge plates and the piers. Because the bridge plate and the bridge piers are connected through the rubber support rods and the gaps are arranged, the vibration isolation effect is achieved between the bridge plate and the bridge piers. The hookup pole is articulated about setting up and the hookup pole is articulated about and, can enough conveniently insert and can guarantee reliable fixed and stop the up-and-down motion again, and the translation can effectively be prevented for wearing to establish in bridge plate and pier to the rubber support pole. The hooking rod is poured in the concrete, so that the metal can not be corroded, and the service life is prolonged.
Preferably, the upper hooking rod is provided with an upper limiting head, an upper positioning vertical rod is arranged on the upper end face of the rubber support rod, the upper hooking rod is hooked on the upper assembling hole annular cover, the upper limiting head is positioned on one side, away from the upper assembling hole annular cover, of the upper hooking rod, the upper hooking rod is erected to abut against the upper limiting head when the upper hooking rod is erected on the upper positioning vertical rod, the upper hooking rod inclines downwards to generate downward rotating moment, and downward projection of the upper hooking rod is positioned on the rubber support rod. The rubber support rod and the bridge plate are assembled together conveniently. The upper hooking rod can fall down automatically after extending into the upper assembling hole.
Preferably, an upper steel structure end plate is arranged on the upper end face of the rubber supporting rod, and the upper hook connecting rod is hinged to the upper steel structure end plate and hinged to the rubber supporting rod. The connection is convenient and the reliability is good.
Preferably, the upper positioning vertical rod is also connected to the upper steel structure end plate, and the upper positioning vertical rod, the upper hooking rod and the upper limiting head are all of metal structures. The concrete poured into the upper assembling hole, the upper positioning vertical rod, the upper hooking rod and the upper limiting head are connected together to form a reinforced concrete structure so as to improve the connection strength, and the problem of forming reinforced concrete in the inner cavity is solved.
Preferably, an upper assembling hole side wall part reinforcing frame is arranged in the hole wall of the upper assembling hole, and an upper hole cover part reinforcing frame is arranged in the upper assembling hole annular cover. The structural strength of the upper assembly hole can be improved.
Preferably, the lower hooking rod is provided with a lower limiting head, the lower end face of the rubber supporting rod is provided with a lower positioning vertical rod, and the lower limiting head is positioned on one side of the lower hooking rod, which is far away from the lower assembling hole annular cover, when the lower hooking rod is hooked on the lower assembling hole annular cover; when the lower hooking rod is erected to enable the lower limiting head to abut against the lower positioning vertical rod, the gravity center of the lower hooking rod is located on one side, far away from the lower positioning vertical rod, of a vertical plane passing through the lower hooking rod and a hinge shaft of the rubber supporting rod, and upward projections of the lower hooking rod are located on the rubber supporting rod; the lower hooking rod is ferromagnetic, and the annular cover of the lower assembling hole is provided with an annular permanent magnet which adsorbs the lower hooking rod to enable the lower hooking rod to rotate to be abutted with the annular cover of the lower assembling hole. The convenience is good when assembling the rubber support rod with the pier. The lower hooking rod can automatically turn over to the lower assembly hole annular cover after stretching into the upper assembly hole.
Preferably, the lower end face of the rubber support rod is provided with a lower steel structure end plate, and the lower hooking rod is hinged to the lower steel structure end plate and hinged to the rubber support rod. The connection is convenient and the reliability is good.
Preferably, the upper positioning vertical rod is also connected to the upper steel structure end plate, and the upper positioning vertical rod and the upper limiting head are both of metal structures. The concrete poured into the lower assembly hole can be connected with the lower positioning vertical rod, the lower hooking rod and the lower limiting head together to form a reinforced concrete structure so as to improve the connection strength, and the problem that reinforced concrete is formed in the lower assembly hole is solved.
Preferably, the upper assembling hole is provided with a bridge plate portion pouring hole and a bridge plate portion exhaust hole, the bridge plate portion pouring hole and the bridge plate portion exhaust hole penetrate through the upper surface of the bridge plate, and the lower assembling hole is provided with a pier portion pouring hole and a pier portion exhaust hole. When concrete is poured in the upper assembling hole and the lower assembling hole, the convenience and the smoothness are good. Air bubbles are not easily generated in the concrete. Bridge portion pouring hole and bridge portion exhaust hole all link up the bridge upper surface, can use the bridge to construct as the platform, and is convenient during the construction.
Preferably, a steel bar frame on the side wall of the lower assembly hole is arranged in the hole wall of the lower assembly hole, and a steel bar frame on the cover part of the lower assembly hole is arranged in the annular cover of the lower assembly hole. The structural strength of the lower assembly hole can be improved.
Preferably, the rubber support rod is in interference fit with the annular cover of the upper assembly hole, and the rubber support rod is in interference fit with the annular cover of the lower assembly hole. Can prevent from going out from upper and lower pilot hole annular lid during the slip casting and flow.
The invention has the following advantages: vibration isolation can be performed between the bridge plate and the bridge pier; the lateral movement resistance is good; the metal piece is poured in the concrete, so that the metal piece is not easy to rust and damage.
Drawings
FIG. 1 is a diagram illustrating a state of assembly according to the first embodiment.
FIG. 2 is a schematic view of another state of the present invention during assembly.
Fig. 3 is a schematic diagram of the first embodiment.
FIG. 4 is a diagram illustrating a second embodiment.
In the figure: the bridge plate comprises a bridge plate 1, an upper assembling hole 11, an upper assembling hole annular cover 13, an upper assembling hole side wall part steel reinforcement frame 14, an upper hole cover part steel reinforcement frame 15, a bridge plate part pouring hole 16, a bridge plate part exhaust hole 17, a bridge pier 2, a lower assembling hole 21, a lower assembling hole annular cover 23, a lower assembling hole side wall part steel reinforcement frame 24, a lower hole cover part steel reinforcement frame 25, a bridge pier part pouring hole 26, a bridge pier part exhaust hole 27, a rubber support rod 3, an upper steel structure end plate 31, an upper positioning vertical rod 311, an upper hooking rod 32, an upper rotating pin 321, an upper positioning head 322, a lower steel structure end plate 33, a lower positioning vertical rod 331, a lower hooking rod 34, a lower rotating pin 341, a lower positioning head 342, a vertical plane S1 passing through a hinge shaft of the lower hooking rod and the rubber support rod, an annular permanent magnet 35, an upper assembling hole concrete filling body 36, a lower assembling hole concrete filling body 37 and a gap S2.
Detailed Description
The invention is further described with reference to the following figures and examples.
First embodiment, referring to fig. 1, 2 and 3, a bridge plate and pier connection structure of a prefabricated bridge comprises a bridge plate 1, piers 2 and rubber support rods 3.
The lower end face of the bridge plate 1 is provided with an upper assembling hole 11. An upper assembling hole annular cover 13 is integrally formed on the opening of the upper assembling hole. The wall of the upper assembling hole is internally provided with a steel bar frame 14 at the side wall part of the upper assembling hole. The upper assembling hole annular cover is internally provided with an upper hole cover reinforcing steel bar frame 15. The upper assembling hole is provided with a bridge plate portion pouring hole 16 and a bridge plate portion exhaust hole 17. The bridge plate portion pouring hole and the bridge plate portion exhaust hole penetrate through the upper surface of the bridge plate.
A lower fitting hole 21 is provided on the lower end surface of the pier 2. The opening of the lower assembling hole is integrally formed with a lower assembling hole annular cover 23. The wall of the lower assembling hole is internally provided with a steel bar frame 24 at the side wall part of the lower assembling hole. The lower assembling hole annular cover is internally provided with a lower hole cover reinforcing frame 25. The lower assembling hole is provided with a pier portion pouring hole 26 and a pier portion exhaust hole 27.
The upper end surface of the rubber support rod 3 is vulcanized and fixed on an upper steel structure end plate 31. An upper positioning vertical rod 311 is arranged in the center of the upper steel structure end plate. The upper positioning vertical rod 311 is a metal structure. The upper steel structure end plate is provided with a plurality of upper hooking rods 32 distributed along the circumferential direction of the upper steel structure end plate. The upper hooking rod is hinged with the upper steel structure end plate through an upper rotating pin 321 and is hinged with the rubber support rod. The upper hooking rod is of a metal structure. The upper hooking rod is provided with an upper limiting head 322. The upper limiting head is of a metal structure. The upper catching head is located on the side of the upper catching rod away from the upper fitting hole annular cover when the upper catching rod is caught on the upper fitting hole annular cover (i.e., in the state of fig. 2). When the upper hooking rod is erected to enable the upper limiting head to abut against the upper positioning vertical rod (namely in the state shown in figure 1), the upper hooking rod is inclined downwards, the downward projection of the upper hooking rod is located on the rubber supporting rod, and the inclined action enables the upper hooking rod to generate downward rotating moment.
The lower end surface of the rubber support rod 3 is vulcanized and fixed on a lower steel structure end plate 33. The center of the lower steel structure end plate is provided with a lower positioning vertical rod 331. The lower positioning vertical rod 331 is a metal structure. The lower steel structure end plate is provided with a plurality of lower hooking rods 34 distributed along the circumferential direction of the lower steel structure end plate. The lower hooking rod is hinged to the lower steel structure end plate through a lower rotating pin 341 and is hinged to the rubber support rod. The lower hook connecting rod is made of ferromagnetic iron materials in a metal structure. The lower hooking rod is provided with a lower limiting head 342. The lower limiting head is of a metal structure. The lower stopper is located on the side of the lower hooking rod remote from the upper fitting hole annular cover when the lower hooking rod is lapped on the lower fitting hole annular cover (i.e., in the state of fig. 2). When the lower hooking rod is erected to the extent that the lower limiting head is abutted against the lower positioning vertical rod (i.e., in the state shown in fig. 1), the center of gravity of the lower hooking rod is located on the side, away from the lower positioning vertical rod, of the vertical plane S1 passing through the hinge shafts of the lower hooking rod and the rubber support rod, and upward projections of the lower hooking rod are located on the rubber support rod. The upper end of the rubber support rod is arranged in the upper assembling hole annular cover in a penetrating way. The rubber support rod and the upper assembling hole annular cover are in interference fit. And an upper assembling hole concrete filling body 36 is poured in the upper assembling hole to fix the upper hooking rod and the bridge plate together. The lower end of the rubber support rod is arranged in the lower assembling hole annular cover in a penetrating way. The rubber support rod and the lower assembling hole annular cover are in interference fit. The lower hooking rod is hooked on the lower assembling hole annular cover. Lower assembling hole concrete filling bodies 37 are poured in the lower assembling holes so as to fix the lower hook connecting rods and the piers together. A gap S2 is arranged between the bridge plate and the bridge pier.
The assembly process of the invention is as follows: the upper hooking rod is erected to the upper limiting head and is abutted against the upper positioning vertical rod, then the upper end of the rubber vibration isolation pad extends into the upper assembling hole through the upper assembling hole annular cover, and the upper hooking rod turns over under the action of gravity after extending into the upper assembling hole annular cover and is lapped on the upper assembling hole annular cover; the lower hooking rod is enabled to be erected to a lower limiting head to be abutted against the lower positioning vertical rod, then the lower end of the rubber vibration isolation pad extends into the lower assembly hole through the lower assembly hole annular cover, and after the lower hooking rod extends into the lower assembly hole, the upper end surface of the pier is adsorbed by a magnet such as a magnet, so that the lower hooking rod is turned over and is abutted against the lower assembly hole annular cover; and injecting concrete into the upper assembly hole through the upper pouring hole, and injecting concrete into the lower assembly hole through the lower pouring hole.
The second embodiment is different from the first embodiment in that:
referring to fig. 4, the lower assembly hole annular cover is provided with a permanent magnet 35. After the rubber support rod extends into the lower assembling hole, the lower hook rod turns over under the action of the permanent magnet 35 and is lapped on the lower assembling hole annular cover. The magnet does not need to be manually attached to generate overturning, so that the convenience in construction is improved.
Claims (9)
1. A bridge plate and pier connecting structure of a prefabricated bridge comprises a bridge plate and a pier and is characterized by further comprising a rubber supporting rod, wherein an upper assembling hole is formed in the lower end face of the bridge plate, an upper assembling hole annular cover is integrally formed on the opening of the upper assembling hole, a lower assembling hole is formed in the upper end face of the pier, a lower assembling hole annular cover is integrally formed on the opening of the lower assembling hole, a plurality of upper hooking rods are hinged to the upper end of the rubber supporting rod, a plurality of lower hooking rods are hinged to the lower end of the rubber supporting rod, the upper hooking rods are arranged in the upper assembling hole annular cover in a penetrating mode and are hooked on the upper assembling hole annular cover, concrete is poured in the upper assembling hole to fix the upper hooking rods and the bridge plate together, the lower end of the rubber supporting rod is arranged in the lower assembling hole annular cover in a penetrating mode and the lower hooking rods are hooked on the lower assembling hole annular cover, concrete is poured into the lower assembling hole to fix the lower hooking rod and the pier together, a gap is formed between the bridge plate and the pier, a lower limiting head is arranged on the lower hooking rod, a lower positioning vertical rod is arranged on the lower end face of the rubber supporting rod, and the lower limiting head is positioned on one side, away from the lower assembling hole annular cover, of the lower hooking rod when the lower hooking rod is hooked on the lower assembling hole annular cover; when the lower hooking rod is erected to enable the lower limiting head to abut against the lower positioning vertical rod, the gravity center of the lower hooking rod is located on one side, far away from the lower positioning vertical rod, of a vertical plane passing through the lower hooking rod and a hinge shaft of the rubber supporting rod, and upward projections of the lower hooking rod are located on the rubber supporting rod; the lower hooking rod is ferromagnetic, and the annular cover of the lower assembling hole is provided with an annular permanent magnet which adsorbs the lower hooking rod to enable the lower hooking rod to rotate to be abutted with the annular cover of the lower assembling hole.
2. The bridge pier connection structure of a precast bridge of claim 1, wherein an upper stopper is provided on the upper hook rod, an upper positioning vertical rod is provided on the upper end surface of the rubber support rod, the upper stopper is located on a side of the upper hook rod away from the upper assembly hole annular cover when the upper hook rod is hooked on the upper assembly hole annular cover, the upper hook rod is tilted downward to generate a downward rotation moment when the upper hook rod is erected to abut against the upper positioning vertical rod, and a downward projection of the upper hook rod is located on the rubber support rod.
3. The bridge plate and pier connection structure of a precast bridge according to claim 2, wherein an upper steel structure end plate is provided on the upper end surface of the rubber support rod, the upper hooking rod is hinged to the upper steel structure end plate and hinged to the rubber support rod, and the upper positioning vertical rod is also connected to the upper steel structure end plate.
4. A bridge pier connection structure of a precast bridge according to claim 3, wherein the upper positioning vertical rod, the upper hooking rod and the upper stopper are all of a metal structure.
5. A bridge deck pier connection structure according to claim 1, wherein upper assembly hole side wall portion tendons are provided in a wall of the upper assembly hole, and upper hole cover portion tendons are provided in the upper assembly hole annular cover.
6. The bridge plate and pier connection structure of a precast bridge of claim 1, wherein the lower end surface of the rubber support rod is provided with a lower steel structure end plate, the lower hooking rod is hinged to the lower steel structure end plate and hinged to the rubber support rod, and the lower positioning vertical rod is also connected to the lower steel structure end plate.
7. The bridge pier connection structure of a precast bridge according to claim 6, wherein the upper assembling hole is provided with a bridge portion pouring hole and a bridge portion discharging hole, both of which penetrate an upper surface of the bridge plate, and the lower assembling hole is provided with a bridge pier portion pouring hole and a bridge pier portion discharging hole.
8. A bridge deck pier connection structure according to claim 1, wherein lower assembly hole side wall portion tendons are provided in a wall of the lower assembly hole, and a lower cover portion tendons are provided in the lower assembly hole annular cover.
9. The bridge plate and pier connection structure of a precast bridge of claim 1, wherein the rubber support bar is in interference fit with the upper assembly hole annular cover, and the rubber support bar is in interference fit with the lower assembly hole annular cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010562476.XA CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
| CN201811513893.4A CN109487678B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513893.4A CN109487678B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010562476.XA Division CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
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| Publication Number | Publication Date |
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| CN109487678A CN109487678A (en) | 2019-03-19 |
| CN109487678B true CN109487678B (en) | 2020-08-11 |
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| CN202010562476.XA Active CN111676802B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
| CN201811513893.4A Active CN109487678B (en) | 2018-12-11 | 2018-12-11 | Bridge plate and pier connecting structure of prefabricated bridge |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109487678A (en) | 2019-03-19 |
| CN111676802A (en) | 2020-09-18 |
| CN111676802B (en) | 2021-09-14 |
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