CN108457166A - A kind of double limitation fixing device of multi-span girder bridge - Google Patents

A kind of double limitation fixing device of multi-span girder bridge Download PDF

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Publication number
CN108457166A
CN108457166A CN201810134412.2A CN201810134412A CN108457166A CN 108457166 A CN108457166 A CN 108457166A CN 201810134412 A CN201810134412 A CN 201810134412A CN 108457166 A CN108457166 A CN 108457166A
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CN
China
Prior art keywords
bridge
supported
simply supported
sides
freely
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810134412.2A
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Chinese (zh)
Inventor
刘芳平
程龙飞
闫磊
周逸
刘路
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Chongqing Three Gorges University
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Chongqing Three Gorges University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chongqing Three Gorges University filed Critical Chongqing Three Gorges University
Priority to CN201810134412.2A priority Critical patent/CN108457166A/en
Publication of CN108457166A publication Critical patent/CN108457166A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D1/00Bridges in general
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges

Abstract

The invention discloses a kind of double limitation fixing devices of multi-span girder bridge, relate generally to bridge technology field.Including bridge section and arch support crane span structure in simply supported girder bridge column, freely-supported beam section bridge, simply supported beam;River two sides are both provided with bridge pier seat, and two side bottom of arch support crane span structure is also disposed on the bridge pier seat of river two sides;Bridge section bottom is equipped with bottom bridge floor in simply supported beam, and several bridge shock absorbers are arranged between bridge section and the freely-supported beam section bridge of two sides in simply supported beam;The both sides of the bridge section in freely-supported beam section bridge and simply supported beam are arranged in arch support crane span structure, and several supporting cantilevers are provided on arch support crane span structure, and supporting cantilever bottom, which is arranged, supports straddle, and the bottom bridge floor setting of bridge section bottom surface is on support straddle in simply supported beam.The beneficial effects of the present invention are:For bridge floor, good cushioning effect can be played;Earthquake has good shock-absorbing function when occurring;And without building Ha Noi bridge pier, ensure the safe to use and service life of simply supported girder bridge.

Description

A kind of double limitation fixing device of multi-span girder bridge
Technical field
The present invention relates to bridge technology field, the double limitation fixing device of specifically a kind of multi-span girder bridge.
Background technology
Simply supported girder bridge is that a kind of earliest, most popular bridge shape is applied in beam bridge.Its simple structure, it is convenient to set up, The influence that structural internal force is not changed by foundation deformation, temperature.But it carries out construction in China Mountainous Areas of Si Sichuan progress simply supported girder bridge and builds Pressure is huge when building, and needs to consider various factors, wherein most important two factors are exactly earthquake and river.Mountainous Areas of Si Sichuan When cross a river builds simply supported girder bridge, inconvenient since The turbulent river crashes its way through to build bridge pier in Ha Noi, such as building Ha Noi bridge pier is costly, and And bridge pier can be influenced by earthquake and river degradation, there is very big influence to the service life of simply supported girder bridge.So for spy Simply supported girder bridge building under different geological environment will have special technical support.In addition, bridge floor have vehicle by when can bring bridge floor Vibrations, so requiring the bumper and absorbing shock of simply supported girder bridge can higher.
Invention content
The purpose of the present invention is to provide a kind of double limitation fixing devices of multi-span girder bridge, for bridge floor, Good cushioning effect can be played;Earthquake has good shock-absorbing function when occurring;And without building Ha Noi bridge pier, ensure letter The safe to use and service life of branch beam bridge.
The present invention to achieve the above object, is achieved through the following technical solutions:
In a kind of double limitation fixing device of multi-span girder bridge, including simply supported girder bridge column, freely-supported beam section bridge, simply supported beam Bridge section and arch support crane span structure, bridge section and arch support crane span structure are steel in the simply supported girder bridge column, freely-supported beam section bridge, simply supported beam Tendon concrete structure;River two sides are both provided with bridge pier seat, and simply supported girder bridge column bottom end is arranged on bridge pier seat, the freely-supported Beam bridge top end is erected with freely-supported beam section bridge, and bridge section is arranged between the freely-supported beam section bridge of two sides in the simply supported beam, the arch Shape support crane span structure both sides bottom is also disposed on the bridge pier seat of river two sides;Bridge section bottom is equipped with bottom bridge floor in the simply supported beam, Several bridge shock absorbers are set in the simply supported beam between bridge section and the freely-supported beam section bridge of two sides, and in the simply supported beam bridge section with It is fixed with bolt also by steel frame construction between the freely-supported beam section bridge of two sides;The arch support crane span structure is arranged in freely-supported beam section bridge And in simply supported beam bridge section both sides, several supporting cantilevers are provided on the arch support crane span structure, at the top of the supporting cantilever It is fixedly connected with arch support crane span structure, the supporting cantilever bottom setting support straddle, the bottom of bridge section bottom surface in the simply supported beam Bridge floor setting is on support straddle.
Bridge section is divided into left hip bridge section and right bridge section in the simply supported beam, is arranged between the left hip bridge section and right bridge section Several bridge shock absorbers are fixed also by steel frame construction with bolt between the left hip bridge section and right bridge section.
Supporting steel cushion block is equipped between the left hip bridge section and Left-side support cantilever, the right bridge section is outstanding with Right side support Supporting steel cushion block is again provided between arm.
The supporting cantilever is equipped with the bradyseism pad contacted with supporting steel cushion block, and bradyseism pad surface is equipped with scale value.
The grafting groove being adapted with arch support crane span structure thickness, the supporting cantilever top are equipped at the top of the supporting cantilever It is bolted between portion and arch support crane span structure.
The arch support gantry top, which is equipped with, repairs dismounting guardrail, is equipped between arch support gantry top described in both sides Propping.
The bridge pier seat is equipped with side limited block.
The arch support crane span structure is equipped with support pier, and the support pier top surface is contacted with freely-supported beam section bridge bottom surface.
The bridge shock absorber includes symmetrically arranged outer buffer board, middle buffer board and interior buffer board, the outer buffering of both sides Plate is equipped with fixed seat, and the outer buffer board is equipped with interior external slide rail, is equipped on the outside of the middle buffer board and is mutually fitted with interior external slide rail The interior external chute answered is arranged soft rubber cushion, is set on the inside of the middle buffer board between the interior external slide rail and interior external chute both ends inner wall Have a upper and lower slide rail, be equipped with the upper gliding groove being adapted with upper and lower slide rail on the outside of the interior buffer board, the upper and lower slide rail with up and down Soft rubber cushion is equally set between the inner wall of sliding slot both ends, elastic buffering mechanism, the elasticity are equipped between interior buffer board described in both sides Buffer unit includes open tubular column and telescopic mast, and the open tubular column is internally provided with spring cavity, buffer spring is equipped in the spring cavity, Telescopic mast one end setting contacts in spring cavity with buffer spring.
In the freely-supported beam section bridge, simply supported beam drainpipe is equipped in bridge section.
The prior art is compared, the beneficial effects of the present invention are:
1, several bridge shock absorbers are set between bridge section and the freely-supported beam section bridge of two sides in the simply supported beam of the present apparatus, for bridge For face, bridge floor have vehicle by when can bring the vibrations of bridge floor, the setting of bridge shock absorber that can make freely-supported beam section bridge and letter Good cushioning effect is played in strutbeam between bridge section;Bridge floor also has good shock-absorbing function when earthquake occurs;Arch support Crane span structure can carry out both sides limit with supporting cantilever, being used cooperatively for support straddle to bridge section in freely-supported beam section bridge, simply supported beam, right Bridge section limit is between the freely-supported beam section bridge of both sides in simply supported beam, it is therefore not necessary to Ha Noi bridge pier be built, it is ensured that simply supported girder bridge Safe to use and service life.
2, several bridge shock absorbers are set between left hip bridge section and right bridge section, for bridge floor, bridge floor has vehicle logical The out-of-date vibrations that can bring bridge floor, the setting of bridge shock absorber can make to play good subtract between left hip bridge section and right bridge section Shake acts on.
3, the setting of supporting steel cushion block can be avoided to being limited between bridge section and supporting cantilever in simply supported beam due to shake It is dynamic that bridge section in simply supported beam is caused to be translated on support straddle.
4, by the way that the bradyseism pad contacted with supporting steel cushion block is arranged in supporting cantilever, for the level of bridge section in simply supported beam Vibrations can play a certain role of shock absorption and buffering.
Description of the drawings
Attached drawing 1 is concrete structure schematic diagram of the present invention.
Attached drawing 2 is present invention Section A-A cross section view along attached body 1.
Attached drawing 3 is Bridge shock absorber structure schematic diagram of the present invention.
Label shown in attached drawing:
1, simply supported girder bridge column;2, freely-supported beam section bridge;3, bridge section in simply supported beam;4, arch support crane span structure;5, bridge pier seat;6, bottom Bridge floor;7, bridge shock absorber;8, supporting cantilever;9, straddle is supported;10, left hip bridge section;11, right bridge section;12, supporting steel pad Block;13, bradyseism pad;14, grafting groove;15, repair dismounting guardrail;16, propping;17, side limited block;18, support pier; 19, outer buffer board;20, middle buffer board;21, interior buffer board;22, fixed seat;23, interior external slide rail;24, interior external chute;25, flexible glue Pad;26, upper and lower slide rail;27, upper gliding groove;28, open tubular column;29, telescopic mast;30, spring cavity;31, buffer spring;32, it drains Pipe.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
Of the present invention is a kind of double limitation fixing device of multi-span girder bridge, and agent structure includes simply supported girder bridge column 1, bridge section 3 and arch support crane span structure 4 in freely-supported beam section bridge 2, simply supported beam, the simply supported girder bridge column 1, freely-supported beam section bridge 2, simply supported beam Middle bridge section 3 and arch support crane span structure 4 are reinforced concrete structure;Reinforced concrete structure refers to equipped with the mixed of reinforcing bar enhancing Structure made of solidifying soil, reinforcing bar bear pulling force, concrete bearing compressive force.With firm, durable, fire protecting performance is good, compares steel construction Save steel and it is at low cost the advantages that.River two sides are both provided with bridge pier seat 5, and bridge pier seat 5 is also reinforced concrete structure.Institute It states 1 bottom end of simply supported girder bridge column to be arranged on bridge pier seat 5,1 top of simply supported girder bridge column is erected with freely-supported beam section bridge 2, the letter Bridge section 3 is arranged between the freely-supported beam section bridge 2 of two sides in strutbeam, and 4 liang of side bottoms of the arch support crane span structure are also disposed at river On the bridge pier seat 5 of two sides;3 bottom of bridge section is equipped with bottom bridge floor 6 in the simply supported beam, and the length of bottom bridge floor 6 is longer than simply supported beam jackshaft The length of section 3, the part that bridge section 3 in simply supported beam is grown on bottom bridge floor 6 act against 2 bottom surface of freely-supported beam section bridge of both sides.The letter Several bridge shock absorbers 7 are set between bridge section 3 and the freely-supported beam section bridge 2 of two sides in strutbeam, for bridge floor, bridge floor has vehicle By when can bring the vibrations of bridge floor, the setting of bridge shock absorber 7 that can make in freely-supported beam section bridge 2 and simply supported beam between bridge section 3 Play good cushioning effect.And it is used also by steel frame construction between bridge section 3 and the freely-supported beam section bridge 2 of two sides in the simply supported beam Bolt is fixed;The both sides of the bridge section 3 in freely-supported beam section bridge 2 and simply supported beam, the arch branch is arranged in the arch support crane span structure 4 Several supporting cantilevers 8 are provided on support crane span structure 4,8 top of the supporting cantilever is fixedly connected with arch support crane span structure 4, the branch 8 bottom of support cantilever, which is arranged, supports straddle 9, and the setting of bottom bridge floor 6 of 3 bottom surface of bridge section is on support straddle 9 in the simply supported beam.Arch Support crane span structure 4 that can carry out two to bridge section 3 in freely-supported beam section bridge 2, simply supported beam with supporting cantilever 8, being used cooperatively for support straddle 9 Lateral spacing position, to the limit of bridge section in simply supported beam 3 between the freely-supported beam section bridge 2 of both sides, it is therefore not necessary to build Ha Noi bridge pier, energy Ensure the safe to use and service life of simply supported girder bridge.Supporting cantilever 8 can be supported bridge section in simply supported beam 3, to drop Building connection request in low freely-supported beam section bridge 2 and simply supported beam between bridge section 3, make in freely-supported beam section bridge 2 and simply supported beam bridge section 3 it Between can easily be arranged bridge shock absorber 7 be used for damping.
Bridge section 3 is divided for left hip bridge section 10 and right bridge section 11 in the simply supported beam, the left hip bridge section 10 and right bridge section Several bridge shock absorbers 7 are set between 11, also by steel frame construction bolt between the left hip bridge section 10 and right bridge section 11 It is fixed.Several bridge shock absorbers 7 are set between left hip bridge section 10 and right bridge section 11, for bridge floor, bridge floor has vehicle logical The out-of-date vibrations that can bring bridge floor, the setting of bridge shock absorber 7 can make to play between left hip bridge section 10 and right bridge section 11 good Good cushioning effect.
Supporting steel cushion block 12, the right bridge section 11 and the right side are equipped between the left hip bridge section 10 and Left-side support cantilever 8 Supporting steel cushion block 12 is again provided between side supporting cantilever 8.12 both sides of supporting steel cushion block respectively with bridge section in simply supported beam 3, support 8 side wall abutting contact of cantilever, therefore, the setting of supporting steel cushion block 12 can between bridge section in simply supported beam 3 and supporting cantilever 8 into Row limit avoids causing bridge section 3 in simply supported beam to translate on support straddle 9 due to vibrations.
The supporting cantilever 8 is equipped with the bradyseism pad 13 contacted with supporting steel cushion block 12, and the bradyseism is padded 13 surfaces and is equipped with Scale value.By the way that the bradyseism pad 13 contacted with supporting steel cushion block 12 is arranged in supporting cantilever 8, for bridge section in simply supported beam 3 Horizontal vibrating can play a certain role of shock absorption and buffering.Bradyseism pads 13 surfaces and scale value is arranged, can be right in the construction process The supporting cantilever 8 for claiming fixed both sides, ensures that the same position of cantilever 8 supported on both sides on a horizontal plane, avoids supported on both sides 8 height of cantilever is different and bridge section 3 in simply supported beam is made to tilt, and the force structure of its whole bridge is made to change and cause construction accident.
8 top of the supporting cantilever is equipped with the grafting groove 14 being adapted with 4 thickness of arch support crane span structure, and the support is outstanding It is bolted between 8 top of arm and arch support crane span structure 4.8 top grafting groove of supporting cantilever, 14 side wall is separately positioned on The both sides of 4 thickness direction of arch support crane span structure, after ensureing that the same position of cantilever 8 supported on both sides is on a horizontal plane, then Position is carried out with bolt to fix.
4 top of the arch support crane span structure, which is equipped with, repairs dismounting guardrail 15, between 4 top of arch support crane span structure described in both sides Equipped with propping 16.When carrying out bridge construction or repair, repair dismounting guardrail 15 can be used in fixed working drawing review tool, or Auxiliary support point when person repairs as service worker;The vehicles such as street lamp, electronic eyes can be set on propping 16.
The bridge pier seat 5 is equipped with side limited block 17.Arch support crane span structure 4 receives bridge section in supporting cantilever 8, simply supported beam Pressure caused by 3 gravity, 4 both sides bottom end of arch support crane span structure can apply simply supported girder bridge column 1 lateral stress, side limit The setting of block 17 can be good at bearing this pressure, keep the structure of entire simply supported girder bridge safer.
The arch support crane span structure 4 is equipped with support pier 18, and 18 top surface of the support pier connects with 2 bottom surface of freely-supported beam section bridge It touches.Support pier 18 can play certain supporting role to freely-supported beam section bridge 2, keep the structure of entire simply supported girder bridge safer.
The bridge shock absorber 7 includes symmetrically arranged outer buffer board 19, middle buffer board 20 and interior buffer board 21, both sides Outer buffer board 19 is equipped with fixed seat 22, and both sides of the fixed seat 22 for bridge shock absorber 7 are installed.It is set on the outer buffer board 19 There is interior external slide rail 23,20 outside of the middle buffer board is equipped with the interior external chute 24 being adapted with interior external slide rail 23, described inside and outside sliding Soft rubber cushion 25 is set between 24 both ends inner wall of rail 23 and interior external chute, and when bridge floor is given a shock, interior external slide rail 23 can be inside and outside Slightly sliding squeezes soft rubber cushion 25 in sliding slot 24, and good cushioning effect can be played on inside and outside direction of vibration.Delay in described 20 inside of punching is equipped with upper and lower slide rail 26, and 21 outside of the interior buffer board is equipped with the upper gliding groove being adapted with upper and lower slide rail 26 27, soft rubber cushion 25 is equally set between 27 both ends inner wall of the upper and lower slide rail 26 and upper gliding groove, when bridge floor is given a shock, up and down Sliding rail 26 can slightly sliding squeezes soft rubber cushion 25 in upper gliding groove 27, can play on up-down vibration direction and subtract well Shake acts on.Elastic buffering mechanism is equipped between interior buffer board 21 described in both sides, the elastic buffering mechanism includes open tubular column (28 Hes Telescopic mast 29, (28 are internally provided with spring cavity 30 to the open tubular column, and buffer spring 31 is equipped in the spring cavity 30, described flexible The setting of 29 one end of column contacts in spring cavity 30 with buffer spring 31.When shaking in the lateral direction, 29 energy of telescopic mast It is enough to be moved back and forth into row buffering under the effect of buffer spring 31, good cushioning effect can be played on side-to-side vibrations direction.
In the freely-supported beam section bridge 2, simply supported beam drainpipe 32 is equipped in bridge section 3.Drainpipe 32 is used for the ponding of bridge floor Discharge.
Embodiment:
As shown in Figure of description 1, of the present invention is a kind of double limitation fixing device of multi-span girder bridge, main body Structure includes bridge section 3 and arch support crane span structure 4 in simply supported girder bridge column 1, freely-supported beam section bridge 2, simply supported beam, the simply supported girder bridge column 1, Bridge section 3 and arch support crane span structure 4 are reinforced concrete structure in freely-supported beam section bridge 2, simply supported beam;River two sides are both provided with bridge Pier base 5,1 bottom end of simply supported girder bridge column are arranged on bridge pier seat 5, and 1 top of simply supported girder bridge column is erected with freely-supported beam section bridge 2, bridge section 3 is arranged between the freely-supported beam section bridge 2 of two sides in the simply supported beam, and 4 liang of side bottoms of the arch support crane span structure are also set It sets on the bridge pier seat 5 of river two sides;As shown in Figure of description 2,3 bottom of bridge section is equipped with bottom bridge floor 6, institute in the simply supported beam It states in simply supported beam and several bridge shock absorbers 7, and bridge section 3 in the simply supported beam is set between bridge section 3 and the freely-supported beam section bridge 2 of two sides It is fixed with bolt also by steel frame construction between the freely-supported beam section bridge 2 of two sides;It is described as shown in Figure of description 1 and attached drawing 2 The both sides of the bridge section 3 in freely-supported beam section bridge 2 and simply supported beam are arranged in arch support crane span structure 4, are arranged on the arch support crane span structure 4 There are several supporting cantilevers 8,8 top of the supporting cantilever to be fixedly connected with arch support crane span structure 4,8 bottom of the supporting cantilever is set It sets and supports straddle 9, the setting of bottom bridge floor 6 of 3 bottom surface of bridge section is on support straddle 9 in the simply supported beam.Such as 2 institute of Figure of description Show, bridge section 3 is divided for left hip bridge section 10 and right bridge section 11 in the simply supported beam, between the left hip bridge section 10 and right bridge section 11 Several bridge shock absorbers 7 are set, are fixed with bolt also by steel frame construction between the left hip bridge section 10 and right bridge section 11.Institute It states and is equipped with supporting steel cushion block 12 between left hip bridge section 10 and Left-side support cantilever 8, the right bridge section 11 and Right side support cantilever 8 Between be again provided with supporting steel cushion block 12.The supporting cantilever 8 is equipped with the bradyseism pad 13 contacted with supporting steel cushion block 12, described Bradyseism pads 13 surfaces and is equipped with scale value.It is recessed that 8 top of the supporting cantilever is equipped with the grafting being adapted with 4 thickness of arch support crane span structure Slot 14 is bolted between 8 top of the supporting cantilever and arch support crane span structure 4.4 top of the arch support crane span structure is set Have and repair dismounting guardrail 15, propping 16 is equipped between 4 top of arch support crane span structure described in both sides.As shown in Figure of description 1, The bridge pier seat 5 is equipped with side limited block 17.The arch support crane span structure 4 is equipped with support pier 18, and the support pier 18 pushes up Face is contacted with 2 bottom surface of freely-supported beam section bridge.As shown in Figure of description 3, the bridge shock absorber 7 includes symmetrically arranged outer buffering The outer buffer board 19 of plate 19, middle buffer board 20 and interior buffer board 21, both sides is equipped with fixed seat 22, is set on the outer buffer board 19 There is interior external slide rail 23,20 outside of the middle buffer board is equipped with the interior external chute 24 being adapted with interior external slide rail 23, described inside and outside sliding Soft rubber cushion 25 is set between 24 both ends inner wall of rail 23 and interior external chute, and 20 inside of the middle buffer board is equipped with upper and lower slide rail 26, institute It states 21 outside of interior buffer board and is equipped with the upper gliding groove 27 being adapted with upper and lower slide rail 26, the upper and lower slide rail 26 and upper gliding groove 27 Soft rubber cushion 25 is equally set between the inner wall of both ends, elastic buffering mechanism, the elasticity are equipped between interior buffer board 21 described in both sides Buffer unit includes that (28 and telescopic mast 29, (28 are internally provided with spring cavity 30 to open tubular column, in the spring cavity 30 for the open tubular column Equipped with buffer spring 31, the setting of 29 one end of the telescopic mast contacts in spring cavity 30 with buffer spring 31.Such as Figure of description 1 It is shown, in the freely-supported beam section bridge 2, simply supported beam drainpipe 32 is equipped in bridge section 3.

Claims (10)

1. a kind of double limitation fixing device of multi-span girder bridge, it is characterised in that:Including simply supported girder bridge column (1), simply supported beam Bridge section (3) and arch support crane span structure (4) in Duan Qiao (2), simply supported beam, the simply supported girder bridge column (1), freely-supported beam section bridge (2), freely-supported Bridge section (3) and arch support crane span structure (4) are reinforced concrete structure in beam;River two sides are both provided with bridge pier seat (5), described Simply supported girder bridge column (1) bottom end is arranged on bridge pier seat (5), and simply supported girder bridge column (1) top is erected with freely-supported beam section bridge (2), Bridge section (3) is arranged between the freely-supported beam section bridge (2) of two sides in the simply supported beam, (4) two side bottom of the arch support crane span structure It is also disposed on the bridge pier seat (5) of river two sides;Bridge section (3) bottom is equipped with bottom bridge floor (6), the simply supported beam in the simply supported beam Several bridge shock absorbers (7), and bridge section (3) in the simply supported beam are set between middle bridge section (3) and the freely-supported beam section bridge (2) of two sides It is fixed with bolt also by steel frame construction between the freely-supported beam section bridge (2) of two sides;The arch support crane span structure (4) is arranged in letter The both sides of bridge section (3) in branch beam section bridge (2) and simply supported beam are provided with several supporting cantilevers on the arch support crane span structure (4) (8), it is fixedly connected with arch support crane span structure (4) at the top of the supporting cantilever (8), supporting cantilever (8) the bottom setting support Straddle (9), bottom bridge floor (6) setting of bridge section (3) bottom surface is on support straddle (9) in the simply supported beam.
2. the double limitation fixing device of a kind of multi-span girder bridge according to claim 1, it is characterised in that:The freely-supported Bridge section (3) is divided into left hip bridge section (10) and right bridge section (11) in beam, between the left hip bridge section (10) and right bridge section (11) Several bridge shock absorbers (7) are set, also by steel frame construction bolt between the left hip bridge section (10) and right bridge section (11) It is fixed.
3. the double limitation fixing device of a kind of multi-span girder bridge according to claim 2, it is characterised in that:The left hip Supporting steel cushion block (12) is equipped between bridge section (10) and Left-side support cantilever (8), the right bridge section (11) is outstanding with Right side support Supporting steel cushion block (12) is again provided between arm (8).
4. the double limitation fixing device of a kind of multi-span girder bridge according to claim 3, it is characterised in that:The support Cantilever (8) is equipped with the bradyseism pad (13) contacted with supporting steel cushion block (12), and bradyseism pad (13) surface is equipped with scale value.
5. the double limitation fixing device of a kind of multi-span girder bridge according to claim 1, it is characterised in that:The support The grafting groove (14) being adapted with arch support crane span structure (4) thickness, supporting cantilever (8) top are equipped at the top of cantilever (8) It is bolted between arch support crane span structure (4).
6. the double limitation fixing device of a kind of multi-span girder bridge according to claim 5, it is characterised in that:The arch It is equipped at the top of support crane span structure (4) and repairs dismounting guardrail (15), propping is equipped between arch support crane span structure (4) top described in both sides (16)。
7. the double limitation fixing device of a kind of multi-span girder bridge according to claim 1, it is characterised in that:The bridge pier Seat (5) is equipped with side limited block (17).
8. the double limitation fixing device of a kind of multi-span girder bridge according to claim 1, it is characterised in that:The arch Crane span structure (4) is supported to be equipped with support pier (18), support pier (18) top surface is contacted with freely-supported beam section bridge (2) bottom surface.
9. the double limitation fixing device of a kind of multi-span girder bridge according to claim 1, it is characterised in that:The bridge Damper (7) includes symmetrically arranged outer buffer board (19), middle buffer board (20) and interior buffer board (21), the outer buffer board of both sides (19) it is equipped with fixed seat (22), the outer buffer board (19) is equipped with interior external slide rail (23), middle buffer board (20) outside Equipped with the interior external chute (24) being adapted with interior external slide rail (23), the interior external slide rail (23) and interior external chute (24) both ends inner wall Between setting soft rubber cushion (25), upper and lower slide rail (26) is equipped on the inside of the middle buffer board (20), on the outside of the interior buffer board (21) Equipped with the upper gliding groove (27) being adapted with upper and lower slide rail (26), the upper and lower slide rail (26) and upper gliding groove (27) both ends inner wall Between soft rubber cushion (25) is equally set, elastic buffering mechanism, the elastic buffer are equipped between interior buffer board (21) described in both sides Device includes that ((28) and telescopic mast (29), ((28) are internally provided with spring cavity (30), the spring cavity to the open tubular column to open tubular column (30) buffer spring (31) is equipped in, telescopic mast (29) one end setting connects in spring cavity (30) with buffer spring (31) It touches.
10. the double limitation fixing device of a kind of multi-span girder bridge according to claim 1, it is characterised in that:The letter Drainpipe (32) is equipped in branch beam section bridge (2), simply supported beam in bridge section (3).
CN201810134412.2A 2018-02-09 2018-02-09 A kind of double limitation fixing device of multi-span girder bridge Pending CN108457166A (en)

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JP2006104815A (en) * 2004-10-06 2006-04-20 Masao Suzuki Sound insulating plate and sound insulating structure using the same
CN103255726A (en) * 2013-05-28 2013-08-21 中铁上海设计院集团有限公司 Construction method for continuous beam and arch combination bridge
CN103526686A (en) * 2013-11-05 2014-01-22 黄俊文 Bridge
CN104032668A (en) * 2014-06-13 2014-09-10 重庆交通大学 Half-through steel truss-concrete combined continuous steel bridge

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1587573A (en) * 2004-09-06 2005-03-02 华南理工大学 Steel arch concrete simply supported beam
JP2006104815A (en) * 2004-10-06 2006-04-20 Masao Suzuki Sound insulating plate and sound insulating structure using the same
CN103255726A (en) * 2013-05-28 2013-08-21 中铁上海设计院集团有限公司 Construction method for continuous beam and arch combination bridge
CN103526686A (en) * 2013-11-05 2014-01-22 黄俊文 Bridge
CN104032668A (en) * 2014-06-13 2014-09-10 重庆交通大学 Half-through steel truss-concrete combined continuous steel bridge

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Application publication date: 20180828