CN205874978U - A tie rod support for $descending hold formula steel pipe concrete tied arch bridge - Google Patents
A tie rod support for $descending hold formula steel pipe concrete tied arch bridge Download PDFInfo
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- CN205874978U CN205874978U CN201620570554.XU CN201620570554U CN205874978U CN 205874978 U CN205874978 U CN 205874978U CN 201620570554 U CN201620570554 U CN 201620570554U CN 205874978 U CN205874978 U CN 205874978U
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- buttress
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- rod support
- arch bridge
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Abstract
The utility model provides a tie rod support for $descending hold formula steel pipe concrete tied arch bridge, belongs to the bridge field. The tie rod support includes: buttress group, main longitudinal grider and be used for the distribution crossbeam of fixed tie rod. Front end buttress, rear end buttress and a plurality of middle buttress that buttress group set up including the interval. The buttress is located between front end buttress and the rear end buttress in the middle of a plurality of. Main longitudinal grider and buttress group link, the distribution crossbeam is connected with the main longitudinal grider, and the main longitudinal grider is located between distribution crossbeam and the buttress group. This tie rod support has better bearing capacity, rigidity and stability, can satisfy river flood passage needs, guarantees the smooth construction of bridge construction simultaneously.
Description
Technical field
This utility model relates to bridge field, in particular to one for base-supporting Steel Pipe Concrete Tied-arch Bridge
Tie-rod support.
Background technology
Bridge construction, by facing construction environment complexity etc. problem, especially carries out bridge construction on river course, by
The difficulty making construction in reasons such as river course navigations is greatly improved.The mounting system used in existing bridge construction process supports
Poor performance, it is difficult to meet the needs of river course flood.
Utility model content
The purpose of this utility model is to provide a kind of tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge, with
Improve the bearing capacity of tie-rod support, rigidity and stability, in order to while carrying out bridge construction, meet the needs of river course flood.
This utility model is achieved in that
A kind of tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge, including: buttress group, main longitudinal grider and be used for
The distribution crossbeam of fixing tie-rod.Buttress group includes spaced front end buttress, rear end buttress and multiple middle buttress.Multiple
Middle buttress is between front end buttress and rear end buttress.Main longitudinal grider is connected with buttress group, and distribution crossbeam is connected with main longitudinal grider, and
Main longitudinal grider is between distribution crossbeam and buttress group.
Preferably, main longitudinal grider is made up of multiple beret truss.
Preferably, described front end buttress includes that two leading section steel pipes, described rear end buttress include two rearward end steel pipes.
Preferably, multiple first end channel-section steel and multiple second end are also included for base-supporting Steel Pipe Concrete Tied-arch Bridge
Portion's channel-section steel.Two leading section steel pipes are connected with multiple first end channel-section steels, and form grid-system;Two rearward end steel pipes are with many
Individual the second end channel-section steel connects, and forms grid-system.
Preferably, each middle buttress includes four middle steel pipes.
Preferably, also include multiple middle channel-section steel for base-supporting Steel Pipe Concrete Tied-arch Bridge, in the middle of four steel pipes with
Multiple middle channel-section steels connect, and form grid-system.
Preferably, the support between main longitudinal grider and buttress group is also included for base-supporting Steel Pipe Concrete Tied-arch Bridge
Bent cap.The end of leading section steel pipe, the end of rearward end steel pipe, the end of middle steel pipe are all connected with support bent cap, support lid
Beam is also connected with main longitudinal grider.
Preferably, supporting bent cap is I-steel.
Preferably, distribution crossbeam includes multiple crossbeam channel-section steel.
Preferably, multiple crossbeam channel-section steels interval is arranged.
The beneficial effect of such scheme:
This utility model provides a kind of tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge, and it mainly includes
Buttress group, main longitudinal grider and for fixing the distribution crossbeam of tie-rod.Wherein buttress group is as main load-supporting part, for whole system
Shaft bar provides stable and firm support force.Constitute between the front end buttress of buttress group, rear end buttress and multiple middle buttress
Every setting, arrange according to the condition of construction of bridge, while river course flood can be kept, provide support action.Main longitudinal grider and distribution
Crossbeam is arranged in pairs or groups so that the installation of tie-rod support and dismounting are more quick, and the connection the most also making distribution crossbeam is more stable, just
Victory, thus improve and make tie-rod the most firm.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 shows the main TV structure for base-supporting Steel Pipe Concrete Tied-arch Bridge that this utility model embodiment provides
Schematic diagram;
Fig. 2 shows the side-looking structure for base-supporting Steel Pipe Concrete Tied-arch Bridge that this utility model embodiment provides
Schematic diagram.
Description of reference numerals:
Tie-rod support 100;Front end buttress 101;Rear end buttress 102;Middle buttress 103;
Main longitudinal grider 104;Distribution crossbeam 105;Buttress group 106;Leading section steel pipe 201;
First end channel-section steel 202;Support bent cap 203;Tie-rod 300;
Intermediate transverse girder 301.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the model of this utility model protection
Enclose.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that term "left", "right", " level ", "front", "rear", " in
Between " etc. the orientation of instruction or position relationship be based on orientation shown in the drawings or position relationship, or this utility model product
The orientation usually put during use or position relationship, be for only for ease of description this utility model and simplify description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to restriction of the present utility model.Describe additionally, term " first ", " second " etc. are only used for distinguishing, and it is not intended that refer to
Show or imply relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect, or integratedly
Connect;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Refering to Fig. 1, Fig. 2, present embodiments provide a kind of tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge
100, including: buttress group 106, main longitudinal grider 104 and for fixing the distribution crossbeam 105 of tie-rod 300.
Wherein, buttress group 106 includes buttress in the middle of spaced front end buttress 101, rear end buttress 102 and five
103.In the middle of five, buttress 103 is between front end buttress 101 and rear end buttress 102.Main longitudinal grider 104 is connected with buttress group 106,
Distribution crossbeam 105 is connected with main longitudinal grider 104, and main longitudinal grider 104 is between distribution crossbeam 105 and buttress group 106.
Various hoist cables in arch bridge construction process are installed for convenience, take not between each buttress of buttress group 106
Deng across mode be arranged.Specifically, in the middle of front end buttress 101, five buttress 103 and rear end buttress 102 along bridge to
Spacing be followed successively by 10.5m, 12.75,13.5m, 13.5m, 12.75m, 10.5m.
Specifically, front end buttress 101 is made up of two leading section steel pipes 201, and two leading section steel pipes 201 is axial
Line along bridge to distance be 0.63m, the distance of direction across bridge be 2.4m.Rear end buttress 102 is formed by two rearward end steel pipes,
And the axial line of two rearward end steel pipes along bridge to distance be 0.63m, the distance of direction across bridge be 2.4m.Middle buttress
103 are made up of steel pipes in the middle of four, and in the middle of four the axial line of steel pipes along bridge to distance be 3.0m, direction across bridge away from
From for 2.4m.
Based on the convenience transporting, installing and dismantle, front end buttress 101, rear end buttress 102 and middle buttress 103
Steel pipe manufacturing is all used to form.Preferably, steel pipe is cylindrical structural, to reduce by the buttress of steel pipe manufacturing current
Barrier effect, thus reduce the water flow impact pressure that tie-rod support 100 is subject to, improve the stability of tie-rod support 100 simultaneously and prop up
Support intensity.
The size of steel pipe is determined by project under construction and construction environment condition, can adjust as required.The present embodiment
In, steel pipe is diameter 630mm, and pipe thickness is 8mm.Cylindrical steel-tube construction intensity is high, it is possible to bear bigger pressure, and
And to arrange can be current reserved passageway at steel pipe interval, it is simple to the needs of flood passage.For needing the engineering of long-time construction, steel pipe
Preferably carrying out corrosion protection design, such as, carry out coating process in steel tube surface, coating can use chromium plating, nickel plating or titanizing etc..
In order to improve structural strength and the stability of buttress group 106, strengthen the ability of reply water impact, between steel pipe
Carry out consolidation process, improve stability and supporting role.
Tie-rod support 100 for base-supporting Steel Pipe Concrete Tied-arch Bridge also includes multiple first end channel-section steel 202, many
Individual the second end channel-section steel and multiple middle channel-section steel.Wherein, two leading section steel pipes 201 are with multiple first end channel-section steels 202 even
Connect, and form grid-system.Two rearward end steel pipes are connected with multiple the second end channel-section steels, and form grid-system.In four
Between steel pipe be connected with multiple middle channel-section steels, and form grid-system.
It is preferred that first end channel-section steel 202 and the second end channel-section steel all can be taked level and tilt two kinds of set-up modes, with
Just make to form the connection between end front end buttress 101 and the end steel pipe of rear end buttress 102 more firm, the external world can be born
Bigger active force.
Construction material area is arranged by a pier structure of grid-system to the place that the distance axes of inertia are remote, can guarantee that same axis
Under the conditions of drag, strengthen component anti-bending strength, and save material, thus be conducive to improving for Through Steel pipe concrete
The support action of the tie-rod support 100 of bowstring arch bridge, reduces its cost of manufacture simultaneously.It is preferred that each connects in grid-system
Place all takes the mode of welding to be fixed, it is preferred to use full penetration weld technological operation, and weld seam grade need to reach to design requirement.
All weld seams can carry out ultrasonic examination inspection or X-ray sampling check according to construction technical requirement.Weldquality
The quality criteria requirements of regulation should be reached.Before welding procedure, do welding procedure test evaluation.By test evaluation, determine temperature
To component physical dimension and the influence degree of deformation form, formulate rational welding procedure and technological procedure, reduce welding process
In the generation of various problems.
Main longitudinal grider 104 is made up of multiple beret truss, forms cube shaped frame structure.Main longitudinal grider 104 can be first in land
Carrying out assembly on the ground, recycling means of transport is transported to scene, then installs with crane barge.In order to check tie-rod support 100
Integrally-built reliability, elimination inelastic deformation, after main longitudinal grider 104 construction, can place sand pocket on main longitudinal grider 104 and enter
Row static loading prepressing.
Beret truss, also known as Bailey bracket, Bailey beam or truss, utilizes beret truss can realize the purpose of fast erecting bridge.Shellfish
Thunder sheet is widely used in traffic engineering, municipal administration hydraulic engineering, is the assembled supporting member that is most widely used of China.Beret truss
Have simple in construction, convenient transportation, erection is quick, loading capacity is big, interchangeability feature good, adaptable.
Beret truss is welded by upper and lower chord member, montant and brace, and there is male and female connector the end of top-bottom chord, on joint
There is pestle frame connecting pin bores.The chord member of beret truss is combined by two channel-section steels, on lower boom, is welded with the steel of polylith band circular hole
Plate, has the bolt hole for being connected with reinforcement chord member and double-deck truss in upper and lower chord member.Also have in top boom and support for connecting
Four bolts hole of frame, two holes in the middle of it connect with internode for double or multiple rows of truss.By two ends two
Hole connects use across internode.When multiple rows of beret truss makees beam or post use, bracing frame can be used to reinforce upper and lower two joint beret truss
Junction surface.On lower boom, it is provided with crossbeam backing plate, above it, has tenon, in order to fixed cross beam position in the plane, at lower edge
It is additionally provided with two elliptical apertures, for connecting wind-resistant pull rod on the end channel-section steel web of bar.
For convenience in setting and the installation of beret truss, for the tie-rod support 100 of base-supporting Steel Pipe Concrete Tied-arch Bridge
Also include supporting bent cap 203.The end of leading section steel pipe 201, the end of rearward end steel pipe, middle steel pipe end all with support
Bent cap 203 connects, and supports bent cap 203 and be also connected with main longitudinal grider 104.In the present embodiment, the end of leading section steel pipe 201 refers to
Be leading section steel pipe 201 one end away from the river water surface, correspondingly, it is remote that the end of rearward end steel pipe refers to rearward end steel pipe
From one end of the river water surface, the end of middle steel pipe refers to middle steel pipe one end away from the river water surface.
Support bent cap 203 respectively with beret truss and form buttress group 106 fastener for connection, play the effect of load, switching.
In the present embodiment, supporting bent cap 203 and use I-steel to make, the model of I-steel can select as required, No. I40a.At cross-bridges
3 support bent caps 203 being made up of I-steel are set between every two steel pipes.
Distribution crossbeam 105 in order to connect, fixing tie-rod 300, in this utility model, point crossbeam selects channel-section steel.Specifically, it is
Bar is the section structure of hollow box-shaped, tie-rod height 2.2m, wide 1.4m, and top board, base plate and web thickness are 0.30m.Distribution crossbeam
105 be long 3m, height is for 10cm.For the bridge of large span, distribution crossbeam 105 is made up of multiple crossbeam channel-section steels, and multiple
Between crossbeam channel-section steel, interval is arranged.Specifically, it is spaced 100cm between crossbeam channel-section steel and arranges, and utilize between 5cm × 10cm lumps of wood
It is spaced apart away from 35cm.
Further, between distribution crossbeam 105, intermediate transverse girder 301 is utilized to be attached, to prevent from distributing crossbeam 105 at weight
The problem occurring under pressure or lateral active force to break away.The cross section of middle cross beam is prestressed T-shaped beam, and it is high.Middle cross beam is suitable
Bridge arranges crossbeam spacing 5.3m to 5.3 meters of interval, and middle cross beam cross section is prestressed T-shaped beam 1.4~1.73m, rib width 0.55m, top
Wide 0.95m.Additionally, be also equipped with high 0.30m, the reinforced concrete hollow slab of wide 1.0m on middle cross beam, and water the wet of 0.55m again
Joint.
This utility model provide the tie-rod support 100 for base-supporting Steel Pipe Concrete Tied-arch Bridge can be used for seven across under
Hold formula Steel Pipe Concrete Tied-arch Bridge.Specifically, main bridge total length is 500m, is 3 × 68+92+3 × 68m master across footpath combining form
Across the pre-stressed steel pipe concrete tie-rod confession for 92m, across footpath 89m.Arch rib uses the double round steel pipe section of dumbbell shape, diameter of steel tube
90cm, pipe thickness are 1.4cm, and C40 slightly expanded concrete is poured in inside.
In work progress, take the arrangement and method for construction of first beam rear arch, and need to set up tie-rod cast-in-place support in advance.Pacify at tie-rod
After installing into, then carry out successively arch rib installation, wind brace installation, middle cross beam installation, hanger erection, floorings install and bridge deck execute
Work.
The loads such as tie-rod in work progress, arch rib, wind brace, middle cross beam all as on tie-rod support 100, tie-rod support
100 loads born: 1) tie-rod gravity;2) arch springing gravity;3) middle cross beam gravity;4) steel tube arch rib and arch inner concrete weight
Power;5) wind brace gravity;6) wind load;7) workmen, facility;8) topple over, vibrated concrete produce load;9) support is certainly
Weight.
This tie-rod support 100 meets bearing capacity, rigidity and stability requirement the most well, and meeting again river flood passage needs
Want, it can be ensured that tie-rod support 100 safety under flood impacts, create advantage for production safety and continuous construction,
And can be for building the reference that similar type engineering provides useful in great rivers.
In this utility model, along bridge to referring to: for being located at the bridge in river course, on bridge, vehicle or pedestrian's is current
Direction, when river course and bridge are mutually perpendicular to, flows to perpendicular direction with river along bridge to being.Correspondingly, direction across bridge is
Refer to suitable bridge to perpendicular direction.
These are only preferred embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. the tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge, it is characterised in that including: buttress group, master indulge
Beam and for fixing the distribution crossbeam of tie-rod;Described buttress group includes spaced front end buttress, rear end buttress and many
Individual middle buttress, the plurality of middle buttress is between described front end buttress and described rear end buttress;Described main longitudinal grider and institute
Stating buttress group to connect, described distribution crossbeam is connected with described main longitudinal grider, and described main longitudinal grider is positioned at described distribution crossbeam with described
Between buttress group.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 1, it is characterised in that institute
State main longitudinal grider to be made up of multiple beret truss.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 1, it is characterised in that institute
State front end buttress and include that two leading section steel pipes, described rear end buttress include two rearward end steel pipes.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 3, it is characterised in that institute
State the tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge and also include multiple first end channel-section steel and multiple the second end
Channel-section steel;
Two described leading section steel pipes are connected with the plurality of first end channel-section steel, and form grid-system, two described rear ends
Portion's steel pipe is connected with the plurality of the second end channel-section steel, and forms grid-system.
5., according to the tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge described in claim 3 or 4, its feature exists
In, each described middle buttress includes four middle steel pipes.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 5, it is characterised in that institute
State the tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge and also include multiple middle channel-section steel, four described middle steel pipes with
The plurality of middle channel-section steel connects, and forms grid-system.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 6, it is characterised in that institute
State the tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge also to include between described main longitudinal grider and described buttress group
Support bent cap, the end of the end of described leading section steel pipe, the end of described rearward end steel pipe and described middle steel pipe is equal
Being connected with described support bent cap, described support bent cap is also connected with described main longitudinal grider.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 7, it is characterised in that institute
Stating support bent cap is I-steel.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 1, it is characterised in that institute
State distribution crossbeam and include multiple crossbeam channel-section steel.
Tie-rod support for base-supporting Steel Pipe Concrete Tied-arch Bridge the most according to claim 9, it is characterised in that
The plurality of crossbeam channel-section steel interval is arranged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620570554.XU CN205874978U (en) | 2016-06-15 | 2016-06-15 | A tie rod support for $descending hold formula steel pipe concrete tied arch bridge |
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CN201620570554.XU CN205874978U (en) | 2016-06-15 | 2016-06-15 | A tie rod support for $descending hold formula steel pipe concrete tied arch bridge |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107130520A (en) * | 2017-05-26 | 2017-09-05 | 中建五局第三建设有限公司 | A kind of Bailey bracket double-layer double-direction arranges high-formwork construction method |
CN111593673A (en) * | 2020-06-12 | 2020-08-28 | 安徽省公路桥梁工程有限公司 | Steel truss arch bridge and construction method |
CN114250710A (en) * | 2021-12-30 | 2022-03-29 | 安徽省公路桥梁工程有限公司 | Construction method of steel box tied arch bridge |
-
2016
- 2016-06-15 CN CN201620570554.XU patent/CN205874978U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107130520A (en) * | 2017-05-26 | 2017-09-05 | 中建五局第三建设有限公司 | A kind of Bailey bracket double-layer double-direction arranges high-formwork construction method |
CN111593673A (en) * | 2020-06-12 | 2020-08-28 | 安徽省公路桥梁工程有限公司 | Steel truss arch bridge and construction method |
CN114250710A (en) * | 2021-12-30 | 2022-03-29 | 安徽省公路桥梁工程有限公司 | Construction method of steel box tied arch bridge |
CN114250710B (en) * | 2021-12-30 | 2024-04-30 | 安徽省公路桥梁工程有限公司 | Construction method of steel box tied arch bridge |
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Address after: 210017 4, building 223, Shui Simen street, Jianye District, Nanjing, Jiangsu. Patentee after: Jiangsu Yan Ning Engineering Science and Technology Group Co., Ltd. Address before: 210000 room 1501, building B, 88 Yunlong Shan Road, Nanjing, Jiangsu. Patentee before: Jiangsu Yearning Construction Co., Ltd. |
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