CN111676803B - Bridge plate pier connection method of prefabricated bridge - Google Patents
Bridge plate pier connection method of prefabricated bridge Download PDFInfo
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- CN111676803B CN111676803B CN202010569143.XA CN202010569143A CN111676803B CN 111676803 B CN111676803 B CN 111676803B CN 202010569143 A CN202010569143 A CN 202010569143A CN 111676803 B CN111676803 B CN 111676803B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims 2
- 238000002955 isolation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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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- 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 relates to a bridge plate and pier connection method of a prefabricated bridge, which comprises the following steps of firstly, arranging an upper assembly hole on a bridge plate, arranging a lower assembly hole on a pier, and manufacturing a rubber support rod; secondly, the lower end of the rubber supporting rod is arranged in the corresponding assembling hole in a penetrating way; thirdly, fixing the bridge plate above the bridge pier in a lifting manner; fourthly, the upper end of the rubber supporting rod is arranged in the upper assembling hole in a penetrating way; fifthly, enabling the lower hooking rod to be lapped on the lower assembling hole annular cover and the upper hooking rod to be lapped on the upper assembling hole annular cover; sixthly, pouring concrete in the upper assembling hole and pouring concrete in the lower assembling hole; and seventhly, removing the support structure after the concrete in the upper assembly hole and the concrete in the lower assembly hole are cured. The invention provides a bridge plate and pier connection method for a prefabricated bridge, which solves the problem of poor vibration isolation effect between layers of the existing fabricated concrete structure.
Description
The application is a divisional application of the application of 12 and 11 months in 2018, application number 201811513892X, and name "bridge plate and pier connection method of prefabricated bridge".
Technical Field
The invention relates to the field of constructional engineering, in particular to a bridge plate and pier connecting method 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. Either method has a disadvantage of poor vibration isolation effect.
Disclosure of Invention
The invention provides a bridge plate and pier connection method 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 connection method of a prefabricated bridge is characterized in that in the first step, an upper assembly hole is formed in the lower end face of a bridge plate, an upper assembly hole annular cover is integrally formed on an opening of the upper assembly hole, a lower assembly hole is formed in the upper end face of the pier, a lower assembly hole annular cover is integrally formed on an opening of the lower assembly hole, a rubber support rod is manufactured, the upper end of the rubber support rod is hinged with a plurality of upper hooking rods, and the lower end of the rubber support rod is hinged with a plurality of lower hooking rods; secondly, the lower end of the rubber supporting rod is arranged in the lower assembling hole annular cover in a penetrating way; thirdly, fixing the bridge plate above the bridge pier in a lifting manner through a supporting structure; fourthly, the upper end of the rubber supporting rod is arranged in the upper assembling hole annular cover in a penetrating way; fifthly, adjusting a gap between the bridge plate and the bridge pier until the lower hooking rod is lapped on the lower assembly hole annular cover and the upper hooking rod is lapped on the upper assembly hole annular cover; sixthly, pouring concrete into the upper assembling hole to fix the upper hooking rod and the bridge plate together so that the upper hooking rod is kept hooked on the upper assembling hole annular cover, and pouring concrete into the lower assembling hole to fix the lower hooking rod and the bridge pier together so that the lower hooking rod is kept hooked on the lower assembling hole annular cover; and seventhly, removing the support structure after the concrete in the upper assembly hole and the concrete in the lower assembly hole are cured. In the method, the bridge plate and the pier are connected through the rubber support rod and the gap is arranged, so that the vibration isolation effect is achieved between the bridge plate drives. Set up in this mode and go up the hookup pole and go up and down the hookup pole and be articulated, can enough conveniently insert and can guarantee reliable fixed and stop the up-and-down motion again, the rubber support pole can effectively prevent the translation for wearing to establish in the upper and lower stand. The hooking rod is poured in the concrete, so that the metal can not be corroded, and the service life is prolonged.
Preferably, in the first step, an upper hooking rod is further provided with an upper limiting head, an upper positioning vertical rod is arranged on the upper end surface of the rubber supporting rod, the upper limiting head is positioned on one side, away from the upper assembling hole annular cover, of the upper hooking rod when the upper hooking rod is hooked on the upper assembling hole annular cover, the upper hooking rod tilts downwards to generate a downward rotating moment when the upper hooking rod erects to enable the upper limiting head to abut against the upper positioning vertical rod, downward projections of the upper hooking rod are positioned on the rubber supporting rod, and in the fourth step, all the upper hooking rods are folded to enable the upper limiting head to abut against the upper positioning vertical rod to enable the upper hooking rod to penetrate into the upper assembling hole through the upper assembling hole annular cover; in the fifth step, the upper hooking rod rotates under the action of self weight and is lapped on the annular cover of the upper assembly hole. The convenience is good when assembling the rubber support rod and the bridge plate together. The upper hooking rod can fall down automatically after extending into the upper assembling hole.
Preferably, in the first step, an upper steel structure end plate is further arranged on the upper end face of the rubber support rod, and the upper hook rod is hinged to the upper steel structure end plate so as to be hinged to the rubber support rod.
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, so that the upper hooking rod and the upper limiting head form a concrete rib which is injected into the upper assembling hole in the sixth step. The connection strength is good. The problem of form reinforced concrete in last pilot hole is solved.
Preferably, an upper assembly hole side wall part steel bar frame is arranged in the hole wall of the upper assembly hole, and an upper hole cover part steel bar frame is arranged in the upper assembly hole annular cover so as to improve the structure strength of the hole wall of the upper assembly hole and the upper assembly hole annular cover; and a lower assembly hole side wall part steel bar frame is arranged in the hole wall of the lower assembly hole, and a lower hole cover part steel bar frame is arranged in the lower assembly hole annular cover so as to improve the structural strength of the hole wall of the lower assembly hole and the lower assembly hole annular cover.
Preferably, in the first step, a lower limiting head is further arranged on the lower hooking rod, a lower positioning vertical rod is arranged on the lower end surface 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 rotates to the position that the lower limiting head abuts against the lower positioning vertical rod, the gravity center of the lower hooking rod is positioned 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 positioned 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; in the second step, all the lower fixed grabs are folded to enable the lower limiting heads to abut against the lower positioning vertical rods, and the lower fixed grabs penetrate through the lower assembling holes through the lower assembling hole annular covers; and fifthly, the upper hooking rod rotates under the adsorption action of the annular permanent magnet so as to be lapped on the annular cover of the lower assembly hole.
Preferably, in the first step, a lower steel structure end plate is further arranged on the lower end face of the rubber support rod, and the lower hooking rod is hinged to the lower steel structure end plate to be hinged to the rubber support rod. The convenience is good when assembling the rubber support rod with the pier. The upper hooking rod can automatically fall down to the annular cover of the upper assembly hole after extending into the upper assembly hole.
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, so that the upper hooking rod and the upper limiting head form a concrete rib which is injected into the upper assembling hole in the sixth step. Can improve joint strength, solve the problem that forms reinforced concrete in the pilot hole under.
Preferably, in the first step, 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 both 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; in the sixth part, concrete is injected into the upper assembly hole through the bridge plate part pouring hole, and concrete is injected into the lower assembly hole through the pier part pouring hole. 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, the rubber support rod is in interference fit with the annular cover of the upper assembling hole, and the rubber support rod is in interference fit with the annular cover of the lower assembling hole, so that concrete injected into the upper assembling hole in the sixth step is prevented from leaking from the annular cover of the upper assembling hole and concrete injected into the lower assembling hole is prevented from leaking from the annular cover of the lower assembling hole.
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 schematic view showing a state in which vibration isolation is performed on a bridge pier according to an embodiment.
Fig. 2 is a schematic view illustrating another state of the embodiment when vibration isolation is performed on a bridge pier.
Fig. 3 is a schematic view of a bridge pier joint structure manufactured according to the first embodiment.
FIG. 4 is a schematic view of the bridge pier joint structure manufactured according to the 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.
Embodiment one, referring to fig. 1, 2 and 3, a bridge plate pier coupling method of a precast bridge,
firstly, an upper assembling hole 11 is arranged on the lower end face of the bridge plate 1, an upper assembling hole annular cover 13 is integrally formed on the opening of the upper assembling hole, an upper assembling hole side wall part reinforcing frame 14 is arranged in the hole wall of the upper assembling hole, and an upper hole cover part reinforcing frame 15 is arranged in the upper assembling hole annular cover, so that the structure strength of the hole wall of the upper assembling hole and the upper assembling hole annular cover is improved. 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 in an upper end surface of the pier 2, and a lower fitting hole annular cover 23 is integrally formed in an opening of the lower fitting hole. The steel frame 24 on the side wall of the lower assembly hole and the steel frame 25 on the cover of the lower assembly hole are arranged in the hole wall of the lower assembly hole, so as to improve the structural strength of the hole wall of the lower assembly hole and the annular cover of the lower assembly hole. The lower assembling hole is provided with a pier portion pouring hole 26 and a pier portion exhaust hole 27. And manufacturing a rubber support rod 3, and vulcanizing and fixing the upper end surface of the rubber support rod 3 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 and the upper limiting head is abutted to the upper positioning vertical rod (namely, in the state shown in figure 1), the upper hooking rod is inclined downwards, and the downward projection of the upper hooking rod is positioned on the rubber supporting rod. 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.
And secondly, after all the lower fixed grabs are folded to the lower limiting heads and abutted to the lower positioning vertical rods, the lower fixed grabs penetrate through the lower assembling hole annular cover to the lower assembling hole, so that the lower end of the rubber supporting rod penetrates through the lower assembling hole annular cover. The rubber support rod and the lower assembly hole annular cover are in interference fit.
And thirdly, fixing the bridge plate above the bridge pier in a lifting manner through a supporting structure, and particularly, supporting through a jack.
And fourthly, after all the upper hooking rods are folded to the upper limiting head and abutted to the upper positioning vertical rod, the upper hooking rods penetrate into the upper assembling hole through the upper assembling hole annular cover, and therefore the upper end of the rubber supporting rod penetrates into the upper assembling hole annular cover. The rubber support rod and the upper assembling hole annular cover are in interference fit.
And fifthly, adjusting a gap between the bridge plate and the pier until the lower hooking rod is lapped on the lower assembling hole annular cover and the upper hooking rod is lapped on the upper assembling hole annular cover. The upper hook connecting rod overturns under the action of gravity and is overlapped on the upper assembling hole annular cover in the step, and the lower hook connecting rod is adsorbed by using a magnet on the upper end surface of the pier, so that the lower hook connecting rod rotates to be overlapped on the lower assembling hole annular cover.
And sixthly, pouring concrete in the upper assembly hole through the upper pouring hole to fix the upper hooking rod and the bridge plate together, so that the upper hooking rod is kept hooked on the annular cover of the upper assembly hole. And pouring concrete in the lower assembly hole through the lower pouring hole to fix the lower hooking rod and the pier together, so that the lower hooking rod is kept hooked on the annular cover of the lower assembly hole.
And seventhly, removing the support structure after the concrete in the upper assembly hole and the concrete in the lower assembly hole are cured.
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. And in the fifth step, the lower hooking rod rotates under the adsorption action of the annular permanent magnet so as to be lapped on the annular cover of the lower assembly hole. Need not the manual work and take magnet separately to adsorb and produce the upset, convenience when having improved the construction.
Claims (8)
1. A bridge plate and pier connection method of a prefabricated bridge is characterized in that in the first step, an upper assembly hole is formed in the lower end face of a bridge plate, an upper assembly hole annular cover is integrally formed on an opening of the upper assembly hole, a lower assembly hole is formed in the upper end face of the pier, a lower assembly hole annular cover is integrally formed on an opening of the lower assembly hole, a rubber support rod is manufactured, the upper end of the rubber support rod is hinged with a plurality of upper hooking rods, and the lower end of the rubber support rod is hinged with a plurality of lower hooking rods; secondly, the lower end of the rubber supporting rod is arranged in the lower assembling hole annular cover in a penetrating way; thirdly, fixing the bridge plate above the bridge pier in a lifting manner through a supporting structure; fourthly, the upper end of the rubber supporting rod is arranged in the upper assembling hole annular cover in a penetrating way; fifthly, adjusting a gap between the bridge plate and the bridge pier until the lower hooking rod is lapped on the lower assembly hole annular cover and the upper hooking rod is lapped on the upper assembly hole annular cover; sixthly, pouring concrete into the upper assembling hole to fix the upper hooking rod and the bridge plate together so that the upper hooking rod is kept hooked on the upper assembling hole annular cover, and pouring concrete into the lower assembling hole to fix the lower hooking rod and the bridge pier together so that the lower hooking rod is kept hooked on the lower assembling hole annular cover; seventhly, removing the support structure after the concrete in the upper assembly hole and the concrete in the lower assembly hole are cured; in the first step, a lower limiting head is further 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 rotates to the position that the lower limiting head abuts against the lower positioning vertical rod, the gravity center of the lower hooking rod is positioned 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 positioned on the rubber supporting rod; the lower hooking rod is ferromagnetic; in the second step, all the lower hooking rods are folded to the lower limiting heads to abut against the lower positioning vertical rods, and the lower hooking rods penetrate into the lower assembling holes through the lower assembling hole annular covers; in the fifth step, the lower hooking rod is adsorbed on the upper end surface of the pier by using a magnet so as to rotate and be lapped on the annular cover of the lower assembly hole; in the first step, an upper limiting head is further arranged on the upper hooking rod, an upper positioning vertical rod is arranged on the upper end face of the rubber supporting rod, the upper limiting head is positioned on one side, away from the upper assembling hole annular cover, of the upper hooking rod when the upper hooking rod is hooked on the upper assembling hole annular cover, the upper hooking rod inclines downwards to generate a downward rotating moment when the upper hooking rod is erected to abut against the upper positioning vertical rod, downward projections of the upper hooking rod are all positioned on the rubber supporting rod, and in the fourth step, all the upper hooking rods are folded to abut against the upper limiting head on the upper positioning vertical rod so that the upper hooking rod penetrates into the upper assembling hole through the upper assembling hole annular cover; in the fifth step, the upper hooking rod rotates under the action of self weight and is lapped on the annular cover of the upper assembly hole.
2. The bridge deck pier connection method of a precast bridge according to claim 1, wherein an upper steel structure end plate is further provided on an upper end surface of the rubber support rod in the first step, the upper hook rod is hinged to the upper steel structure end plate to be hinged to the rubber support rod, and the upper positioning vertical rod is also connected to the upper steel structure end plate.
3. A bridge pier connection method of a precast bridge according to claim 2, wherein the upper positioning vertical rod, the upper hooking rod, and the upper restraining head are all of a metal structure such that the upper hooking rod and the upper restraining head constitute a reinforcement of concrete injected into the upper assembling hole in the sixth step.
4. A bridge pier connection method for a precast bridge according to claim 1, wherein an upper assembling hole side wall part reinforcing frame is provided in a hole wall of the upper assembling hole and an upper hole cover part reinforcing frame is provided in the upper assembling hole annular cover to improve structural strength of the hole wall of the upper assembling hole and the upper assembling hole annular cover; and a lower assembly hole side wall part steel bar frame is arranged in the hole wall of the lower assembly hole, and a lower hole cover part steel bar frame is arranged in the lower assembly hole annular cover so as to improve the structural strength of the hole wall of the lower assembly hole and the lower assembly hole annular cover.
5. The bridge plate and pier connection method of the precast bridge according to claim 1, wherein in the first step, a lower steel structure end plate is further provided on a lower end surface of the rubber support rod, the lower hooking rod is hinged to the lower steel structure end plate to be hinged to the rubber support rod, and the lower positioning vertical rod is also connected to the lower steel structure end plate.
6. The bridge pier connection method of a precast bridge of claim 5, wherein the lower positioning vertical bar and the lower positioning head are of a metal structure such that the lower hooking bar and the lower positioning head constitute a reinforcement of concrete injected into the lower assembly hole in the sixth step.
7. The bridge pier connection method of a precast bridge according to claim 1, wherein in the first step, a bridge portion pouring hole and a bridge portion discharge hole, both of which penetrate an upper surface of the bridge plate, are provided at the upper assembling hole, and a bridge pier portion pouring hole and a bridge pier portion discharge hole are provided at the lower assembling hole; in the sixth part, concrete is injected into the upper assembly hole through the bridge plate part pouring hole, and concrete is injected into the lower assembly hole through the pier part pouring hole.
8. The bridge deck pier connection method of a precast bridge according to claim 1, wherein the rubber support bar is in an interference fit with the upper assembly hole annular cover, and the rubber support bar is in an interference fit with the lower assembly hole annular cover, so that the concrete injected into the upper assembly hole in the sixth step is prevented from leaking from the upper assembly hole annular cover and the concrete injected into the lower assembly hole is prevented from leaking from the lower assembly hole annular cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010569143.XA CN111676803B (en) | 2018-12-11 | 2018-12-11 | Bridge plate pier connection method of prefabricated bridge |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010569143.XA CN111676803B (en) | 2018-12-11 | 2018-12-11 | Bridge plate pier connection method of prefabricated bridge |
| CN201811513892.XA CN109487677B (en) | 2018-12-11 | 2018-12-11 | Bridge plate pier connection method of prefabricated bridge |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811513892.XA Division CN109487677B (en) | 2018-12-11 | 2018-12-11 | Bridge plate pier connection method of prefabricated bridge |
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| Publication Number | Publication Date |
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| CN111676803A CN111676803A (en) | 2020-09-18 |
| CN111676803B true CN111676803B (en) | 2021-09-14 |
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| CN202010569143.XA Active CN111676803B (en) | 2018-12-11 | 2018-12-11 | Bridge plate pier connection method of prefabricated bridge |
| CN201811513892.XA Active CN109487677B (en) | 2018-12-11 | 2018-12-11 | Bridge plate pier connection method of prefabricated bridge |
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| Publication number | Publication date |
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| CN111676803A (en) | 2020-09-18 |
| CN109487677B (en) | 2021-02-12 |
| CN109487677A (en) | 2019-03-19 |
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Application publication date: 20200918 Assignee: Zhejiang Qirui Technology Co.,Ltd. Assignor: Jiangshan FAFA Technology Co.,Ltd. Contract record no.: X2022330000310 Denomination of invention: Connection method of bridge slab and pier of precast Bridge Granted publication date: 20210914 License type: Common License Record date: 20220715 Application publication date: 20200918 Assignee: Quzhou Xinrui Technology Information Co.,Ltd. Assignor: Jiangshan FAFA Technology Co.,Ltd. Contract record no.: X2022330000308 Denomination of invention: Connection method of bridge slab and pier of precast Bridge Granted publication date: 20210914 License type: Common License Record date: 20220715 Application publication date: 20200918 Assignee: JIANGSHAN XINGCHENG TECHNOLOGY INFORMATION CONSULTING SERVICE CO.,LTD. Assignor: Jiangshan FAFA Technology Co.,Ltd. Contract record no.: X2022330000309 Denomination of invention: Connection method of bridge slab and pier of precast Bridge Granted publication date: 20210914 License type: Common License Record date: 20220715 |
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