CN110904811A - Stabilizing device for large-span concrete-filled steel tube arch bridge - Google Patents
Stabilizing device for large-span concrete-filled steel tube arch bridge Download PDFInfo
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- CN110904811A CN110904811A CN201911336785.9A CN201911336785A CN110904811A CN 110904811 A CN110904811 A CN 110904811A CN 201911336785 A CN201911336785 A CN 201911336785A CN 110904811 A CN110904811 A CN 110904811A
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- arch
- fixedly connected
- pier
- bridge
- groove
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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
- E01D4/00—Arch-type 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a stabilizing device for a large-span concrete-filled steel tube arch bridge, which relates to the field of auxiliary equipment of arch bridges and comprises a bridge span structure assembly, a stabilizing assembly, a bridge pier and an arch rib connecting assembly, wherein a first buffer layer is fixedly connected to the bottom of a groove, a supporting plate is fixedly connected to the bottom of the bridge pier, a second buffer layer is filled in an inner cavity of a transverse groove, a connecting rod is fixedly connected to the top of the supporting plate, one end of the stabilizing rod is hinged to a sliding seat, and the other end of the stabilizing rod is hinged to a connecting seat. The cooperation of activity loop bar and spring has strengthened being connected between base and the pier, has strengthened horizontal buffering absorbing effect for arch bridge structure stability more, simultaneously, the arch rib coupling assembling of setting through connection pad, spliced pole, chassis and spring part, makes the internal force that the pier receives evenly transmit for the two pier structures in bottom, further improves arch bridge's stability.
Description
Technical Field
The invention relates to the field of arch bridge auxiliary equipment, in particular to a stabilizing device for a large-span concrete-filled steel tube arch bridge.
Background
The steel pipe concrete arch bridge is characterized by that the concrete is filled in the steel pipe, and the radial constraint of the steel pipe can be used for limiting expansion of compressed concrete, so that the concrete can be in three-dimensional compression state, and the compressive strength of concrete can be obviously raised.
The support among the bridge is vital, and mainly plays a role in supporting and stabilizing, at present, a stabilizing device is arranged in the using process of the bridge support, so that the stability of a pier is ensured, but the existing stabilizing device has poor effect on transverse shock absorption, so that the overall stability of the arch bridge is influenced.
Disclosure of Invention
The invention aims to provide a stabilizing device for a large-span concrete-filled steel tube arch bridge, and aims to solve the problem that the existing stabilizing device in the background technology has poor effect on transverse shock absorption, so that the overall stability of the arch bridge is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a stabilizing device for a large-span concrete-filled steel tube arch bridge comprises a bridge span structure assembly, a stabilizing assembly, a bridge pier and an arch rib connecting assembly, wherein the stabilizing assembly comprises a base, a first buffer layer, a second buffer layer, a supporting plate, a connecting rod, a stabilizing rod, a sliding seat and a connecting seat, the middle part of the base is provided with a groove, the first buffer layer is fixedly connected to the bottom of the groove, the supporting plate is fixedly connected to the bottom of the bridge pier and positioned in the groove, the two sides of the groove are provided with transverse grooves, the second buffer layer is filled in the inner cavity of the transverse grooves, the two ends of the supporting plate are abutted against the outer side of the second buffer layer, a connecting groove is arranged above the transverse grooves, the connecting rod is fixedly connected to the top of the supporting plate and positioned in the inner cavity of the connecting groove, the sliding seat is movably connected, one end of the stabilizer bar is hinged on the sliding seat, and the other end of the stabilizer bar is hinged on the connecting seat.
Preferably, the bridge span structure assembly comprises a cross beam, a longitudinal beam, abutments, hanging rods, arch ribs, a steel frame and an upper cross link, wherein the arch ribs are fixedly connected to two ends of the cross beam, two ends of each arch rib extend to the tops of the abutments, the longitudinal beam is arranged at the top of the cross beam, one end of the steel frame is fixedly connected to the bottom of the cross beam, the other end of the steel frame is fixedly connected to the tail ends of the arch ribs, one end of each hanging rod is fixedly connected to the top of the cross beam, the other end of each hanging rod is fixedly connected to the bottom of each arch rib, the arch ribs are provided with two groups, and the upper cross link is fixedly connected between the.
Preferably, arch rib coupling assembling includes support, connection pad, spring part, chassis, spliced pole and arch piece, the support sets up the top at the pier, the arc wall has been seted up to the bottom of support, the one end fixed connection of spring part is at the tank bottom of arc wall, connection pad fixed connection is at the other end of spring part, spliced pole fixed connection is in the bottom of connection pad, and extends to the below of pier, chassis fixed connection is in the bottom of spliced pole, the bottom of pier is equipped with two sets of piers, arch piece fixed connection is between the pier, and fixed connection is in the bottom on chassis.
Preferably, the stabilizer bar is equipped with two sets ofly, two sets of stabilizer bar cross arrangement, and the cross department still is equipped with the fixed block, one side fixedly connected with activity loop bar that the fixed block is close to the spread groove, the spring has been cup jointed to the end of activity loop bar, and the other end fixed connection of spring is in the bottom of spread groove.
Preferably, the stabilizer bar, the fixed block, the movable sleeve rod and the spring are arranged in two groups and symmetrically arranged on two sides of the pier.
Preferably, the abutments are provided with two groups, symmetrically arranged at two ends of the arch rib, and steel frames are arranged at two ends of the arch rib.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the designed stabilizing mechanism, and adopts the stabilizing rod and the fixing block. The cooperation of activity loop bar and spring has strengthened being connected between base and the pier, has strengthened horizontal buffering absorbing effect for arch bridge structure stability more, simultaneously, the arch rib coupling assembling of setting through connection pad, spliced pole, chassis and spring part, makes the internal force that the pier receives evenly transmit for the two pier structures in bottom, further improves arch bridge's stability.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a partial side view of a bridge span structure casting of the present invention;
fig. 4 is a schematic view of the construction of the arch rib connecting assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-bridge span structure component, 2-stabilizing component, 201-base, 202-first buffer layer, 203-second buffer layer, 204-support plate, 205-connecting rod, 206-stabilizing rod, 207-sliding seat, 208-connecting seat, 3-pier, 4-arch rib connecting component, 401-support, 402-connecting disk, 403-spring component, 404-base plate, 405-connecting column, 406-arch block, 5-groove, 6-transverse groove, 7-connecting groove, 8-cross beam, 9-longitudinal beam, 10-abutment, 11-suspension rod, 12-arch rib, 13-steel frame, 14-upper transverse connection, 15-arc groove, 16-fixing block, 17-movable sleeve rod and 18-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a stabilizing device for a large-span concrete-filled steel tube arch bridge comprises a bridge span structure component 1, a stabilizing component 2, a bridge pier 3 and an arch rib connecting component 4, wherein the stabilizing component 2 comprises a base 201, a first buffer layer 202, a second buffer layer 203, a supporting plate 204, a connecting rod 205, a stabilizing rod 206, a sliding seat 207 and a connecting seat 208, a groove 5 is arranged in the middle of the base 201, the first buffer layer 201 is fixedly connected to the bottom of the groove 5, the supporting plate 204 is fixedly connected to the bottom of the bridge pier 3 and positioned in the groove 5, transverse grooves 6 are arranged on two sides of the groove 5, the inner cavity of each transverse groove 6 is filled with the second buffer layer 203, two ends of the supporting plate 204 are abutted to the outer side of the second buffer layer 203, a connecting groove 7 is arranged above each transverse groove 6, the connecting rod 205 is fixedly connected to the top of the supporting plate 204 and positioned in the inner cavity, the connecting seat 208 is fixedly connected to the outer side of the pier 3, and one end of the stabilizer bar 206 is hinged to the sliding seat 207 and the other end is hinged to the connecting seat 208.
Wherein, bridge span structure subassembly 1 includes crossbeam 8, longeron 9, abutment 10, jib 11, arch rib 12, steelframe 13 and last cross connection 14, arch rib 12 fixed connection is at the both ends of crossbeam 8, and the both ends of arch rib 12 extend to the top of abutment 10, longeron 9 sets up the top at crossbeam 8, the one end fixed connection of steelframe 13 is in the bottom of crossbeam 8, other end fixed connection is at the end of arch rib 12, the one end fixed connection of jib 11 is at the top of crossbeam 8, other end fixed connection is in the bottom of arch rib 12, arch rib 12 is equipped with two sets ofly, go up 14 fixed connection of cross connection between arch rib 12, and be located the top of crossbeam 8.
Wherein, arch rib coupling assembling 4 includes support 401, connection pad 402, spring part 403, chassis 404, spliced pole 405 and arch piece 406, support 401 sets up the top at pier 10, arc wall 15 has been seted up to support 401's bottom, the one end fixed connection of spring part 403 is at the tank bottom of arc wall 15, connection pad 402 fixed connection is at the other end of spring part 403, spliced pole 405 fixed connection is in the bottom of connection pad 402, and extend to pier 10's below, chassis 404 fixed connection is in the bottom of spliced pole 405, pier 10's bottom is equipped with two sets of piers 3, arch piece 406 fixed connection is between pier 3, and fixed connection is in the bottom of chassis 404.
Wherein, the stabilizer bar 206 is equipped with two sets ofly, and two sets of stabilizer bars 206 are crossing arrangement, and the cross department still is equipped with fixed block 16, and fixed block 16 is close to one side fixedly connected with activity loop bar 17 of connecting groove 7, and the end of activity loop bar 17 has cup jointed spring 18, and the other end fixed connection of spring 18 is in the bottom of connecting groove 7.
Wherein, the stabilizer bar 206, the fixed block 16, the movable loop bar 17 and the spring 18 are arranged in two groups and symmetrically arranged at two sides of the pier 3.
Wherein, pier 10 is equipped with two sets ofly, and the symmetry sets up the both ends at rib 12, and the both ends of rib 12 all are equipped with steelframe 13.
One specific application of this embodiment is: when the arch bridge shakes, the pier 3 vibrates the base 201 in the up-down direction, the first buffer layer 202 buffers the pier in the up-down direction, when the pier 3 moves left and right in the horizontal direction, the stabilizer bar 206 is stressed to drive the slide base 207 to move towards two sides of the side wall of the groove 5, meanwhile, the fixed block 16 box moves close to the connecting groove 7, so that the spring 18 contracts, and meanwhile, the connecting rod 205 drives the support plate 204 to press the second buffer layer 203 to buffer the pier in the left-right direction, so that the pier 3 can be quickly reset;
in addition, when the arch bridge is overloaded and the internal stress at the two ends of the arch rib 12 is too large, the spring part 403 at the bottom of the support 401 is stressed and contracted, so that the stress is transmitted to the base plate 404 through the connecting plate 402, the arch block 406 at the bottom of the base plate 404 disperses the stress to the piers 3 at the two sides, and the same buffering and stabilizing principle in the horizontal direction is adopted, so that the redundant stress is discharged, and the stability of the whole arch bridge is maintained.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a stabilising arrangement for a large-span steel pipe concrete arch bridge which characterized in that: the bridge span structure comprises a bridge span structure component (1), a stabilizing component (2), a pier (3) and an arch rib connecting component (4), wherein the stabilizing component (2) comprises a base (201), a first buffer layer (202), a second buffer layer (203), a supporting plate (204), a connecting rod (205), a stabilizing rod (206), a sliding seat (207) and a connecting seat (208), a groove (5) is arranged in the middle of the base (201), the first buffer layer (201) is fixedly connected to the bottom of the groove (5), the supporting plate (204) is fixedly connected to the bottom of the pier (3) and located in the groove (5), transverse grooves (6) are arranged on two sides of the groove (5), the second buffer layer (203) is filled in an inner cavity of the transverse grooves (6), two ends of the supporting plate (204) abut against the outer side of the second buffer layer (203), a connecting groove (7) is arranged above the transverse grooves (6), connecting rod (205) fixed connection is at the top of backup pad (204), and is located the inner chamber of spread groove (7), slide (207) swing joint is on the inner wall of recess (5), connecting seat (208) fixed connection is in the outside of pier (3), the one end of stabilizer bar (206) articulates on slide (207), and the other end articulates on connecting seat (208).
2. A stabilizing device for a long span concrete filled steel tube arch bridge according to claim 1, wherein: the bridge span structure assembly (1) comprises a cross beam (8), longitudinal beams (9), abutments (10), hanging rods (11), arch ribs (12), a steel frame (13) and upper cross links (14), wherein the arch ribs (12) are fixedly connected to two ends of the cross beam (8), two ends of each arch rib (12) extend to the top of the corresponding abutment (10), the longitudinal beams (9) are arranged at the top of the cross beam (8), one end of each steel frame (13) is fixedly connected to the bottom of the cross beam (8), the other end of each steel frame (13) is fixedly connected to the tail end of each arch rib (12), one end of each hanging rod (11) is fixedly connected to the top of the cross beam (8), the other end of each hanging rod is fixedly connected to the bottom of each arch rib (12), the arch ribs (12) are provided with two groups, and the upper cross links (14) are fixedly connected between the arch ribs (12) and located above the.
3. A stabilizing device for a long span concrete filled steel tube arch bridge according to claim 1, wherein: the arch rib connecting component (4) comprises a support (401), a connecting disc (402), a spring piece (403), a bottom disc (404), a connecting column (405) and an arch block (406), the support (401) is arranged at the top of the abutment (10), the bottom of the support (401) is provided with an arc-shaped groove (15), one end of the spring piece (403) is fixedly connected with the bottom of the arc-shaped groove (15), the connecting disc (402) is fixedly connected with the other end of the spring element (403), the connecting column (405) is fixedly connected with the bottom of the connecting disc (402), and extends to the lower part of the abutment (10), the chassis (404) is fixedly connected with the bottom of the connecting column (405), the bottom of the abutment (10) is provided with two groups of piers (3), and the arch block (406) is fixedly connected between the piers (3) and fixedly connected to the bottom of the chassis (404).
4. A stabilizing device for a long span concrete filled steel tube arch bridge according to claim 1, wherein: stabilizer bar (206) are equipped with two sets ofly, two sets of stabilizer bar (206) cross arrangement, and the cross-over still is equipped with fixed block (16), one side fixedly connected with activity loop bar (17) that fixed block (16) are close to spread groove (7), spring (18) have been cup jointed to the end of activity loop bar (17), and the other end fixed connection of spring (18) is in the bottom of spread groove (7).
5. A stabilizing device for a large-span concrete-filled steel tube arch bridge according to claim 4, wherein: the stabilizer bars (206), the fixed blocks (16), the movable sleeve bars (17) and the springs (18) are arranged in two groups and are symmetrically arranged on two sides of the pier (3).
6. A stabilizing device for a long span concrete filled steel tube arch bridge according to claim 2, wherein: the two sets of abutments (10) are symmetrically arranged at two ends of the arch rib (12), and steel frames (13) are arranged at two ends of the arch rib (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911336785.9A CN110904811B (en) | 2019-12-23 | 2019-12-23 | Stabilizing device for large-span concrete-filled steel tube arch bridge |
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| CN201911336785.9A CN110904811B (en) | 2019-12-23 | 2019-12-23 | Stabilizing device for large-span concrete-filled steel tube arch bridge |
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| CN110904811A true CN110904811A (en) | 2020-03-24 |
| CN110904811B CN110904811B (en) | 2020-11-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608693A (en) * | 2020-06-02 | 2020-09-01 | 仲恺农业工程学院 | High-strength steel pipe concrete arch |
| CN111794087A (en) * | 2020-07-16 | 2020-10-20 | 重庆交通大学 | Anti-overturning bridge pier structure |
| CN115491967A (en) * | 2022-09-05 | 2022-12-20 | 南通路桥工程有限公司 | Deck type concrete filled steel tube arch bridge with main arch ring provided with damping device |
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| CN115491967A (en) * | 2022-09-05 | 2022-12-20 | 南通路桥工程有限公司 | Deck type concrete filled steel tube arch bridge with main arch ring provided with damping device |
| CN115491967B (en) * | 2022-09-05 | 2023-11-24 | 南通路桥工程有限公司 | Upper bearing type steel pipe concrete arch bridge with damping device on main arch ring |
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| CN110904811B (en) | 2020-11-27 |
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