CN205662832U - Under hold formula beiLei beam steel suspension bridge - Google Patents
Under hold formula beiLei beam steel suspension bridge Download PDFInfo
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- CN205662832U CN205662832U CN201620509336.5U CN201620509336U CN205662832U CN 205662832 U CN205662832 U CN 205662832U CN 201620509336 U CN201620509336 U CN 201620509336U CN 205662832 U CN205662832 U CN 205662832U
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Abstract
The utility model provides an under hold formula beiLei beam steel suspension bridge, includes left lower part bearing structure, right lower part bearing structure, left beiLei beam, right beiLei beam and bridge floor. Left side lower part bearing structure and right lower part bearing structure symmetry are fixed in the right bank and left bank, left side lower part bearing structure and right lower part bearing structure are all including enlarging the basis and being fixed in the abutment that enlarges basic centre of surface, the horizontal orientation in left lower part bearing structure and right lower part bearing structure's surface respectively fixed mounting have left dun ding distribution crossbeam and right dunding distribution crossbeam, left side beiLei beam sets up in the bridge floor left side, and its both ends are fixed with left dun ding distribution crossbeam and right dunding distribution crossbeam respectively, the right side beiLei beam set up in the bridge floor right side, and its both ends are fixed with left dun ding distribution crossbeam and right dunding distribution crossbeam respectively, region between left beiLei beam and right beiLei beam, equidistant fixed mounting a plurality of transverse distribution roof beam, on the transverse distribution roof beam, equidistant fixed mounting a plurality of vertically distributes the roof beam, on vertically distribute the roof beam, lay the bridge floor. The utility model discloses can regard as interim sidewalk in the construction in the river course of shoal, have simple structure, strong adaptability, interchangeability is good, demolishs characteristics such as convenient.
Description
Technical field
This utility model belongs to bridge construction technical field, is specifically related to a kind of base-supporting Bailey beam steel suspension bridge.
Background technology
Steel suspension bridge is bridge foundation, is the transport channel of the materials such as the reinforcing bar of superstructure, concrete, template；Be rig,
The plant equipment such as crane, Construction traffic is marched into the arena or transition passage；It is the passages that pass through of personnel.At present, answering in constructing on the water
With more and more extensive.
But, existing steel suspension bridge still has the erection problems such as speed is slow, intensity is little and support force is limited, is not suitable for
It is applied in Longspan Bridge construction.
Utility model content
The defect existed for prior art, this utility model provides a kind of base-supporting Bailey beam steel suspension bridge, can efficient solution
Certainly the problems referred to above.
The technical solution adopted in the utility model is as follows:
This utility model provides a kind of base-supporting Bailey beam steel suspension bridge, supports including lower left quarter supporting construction (1), right lower quadrant
Structure (2), left Bailey beam (3), right Bailey beam (4) and bridge floor (5)；
Wherein, described lower left quarter supporting construction (1) and described right lower quadrant supporting construction (2) are symmetrically fixed on two sides；Described
Lower left quarter supporting construction (1) and described right lower quadrant supporting construction (2) all include Extended chemotherapy (1.1) and are fixed on described expansion
The abutment (1.2) of basis (1.1) centre of surface；
Surface horizontal direction described lower left quarter supporting construction (1) and described right lower quadrant supporting construction (2) is fixed respectively
Left pier top distribution crossbeam (6) and right pier top distribution crossbeam (7) are installed；Described left Bailey beam (3) is arranged on the left of bridge floor, and they are two years old
End is fixed with described left pier top distribution crossbeam (6) and described right pier top distribution crossbeam (7) respectively；Described right Bailey beam (4) is arranged
On the right side of bridge floor, its two ends are fixed with described left pier top distribution crossbeam (6) and described right pier top distribution crossbeam (7) respectively；Institute
State the region between left Bailey beam (3) and described right Bailey beam (4), equidistantly fixedly mount several transverse distribution beams (8)；?
Above described transverse distribution beam (8), equidistantly several longitudinal distribution beam (9) of fixed installation；Described longitudinal distribution beam (9)
Above, lay described bridge floor (5).
Preferably, described Extended chemotherapy (1.1) lateral length 9m, longitudinal length 3m, high 3m；Described abutment (1.2) is horizontal
Length 8m, longitudinal length 1.2m, high 1.8m.
Preferably, described lower left quarter supporting construction (1) and the outside of described right lower quadrant supporting construction (2) use gabion to prevent
Protect.
Preferably, described left pier top distribution crossbeam (6) and described right pier top distribution crossbeam (7) use Two bors d's oeuveres I25 I-steel.
Preferably, described transverse distribution beam (8) uses 2I25a crossbeam, and crossbeam is positioned at Bailey bracket montant and the joint of Bailey beam
Point position, spacing 150cm；Described longitudinal distribution beam (9) uses 2I12.6 longeron, spacing 40cm.
Preferably, described bridge floor (5) uses 10mm thickness checkered steel plate.
The base-supporting Bailey beam steel suspension bridge that this utility model provides has the advantage that
The base-supporting Bailey beam steel suspension bridge that this utility model provides, as interim sidewalk, tool in construction in river course, shoal
Having simple in construction, strong adaptability, interchangeability is good, and dismounting is convenient, sets up speed fast, and load-carrying is big, low cost, and the intensity of structure is with just
Spend high distinguishing feature, the related request of Longspan Bridge capital construction can be met, can be widely used among construction.
Accompanying drawing explanation
Longitudinal sectional schematic diagram of the base-supporting Bailey beam steel suspension bridge that Fig. 1 provides for this utility model；
Fig. 2 is the partial enlarged drawing of Fig. 1；
The horizontal sectional schematic diagram of the base-supporting Bailey beam steel suspension bridge that Fig. 3 provides for this utility model.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below
In conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that described herein being embodied as
Example, only in order to explain this utility model, is not used to limit this utility model.
In conjunction with Fig. 1-Fig. 3, this utility model provides a kind of base-supporting Bailey beam steel suspension bridge, including lower left quarter supporting construction 1,
Right lower quadrant supporting construction 2, left Bailey beam 3, right Bailey beam 4 and bridge floor 5；
Wherein, lower left quarter supporting construction 1 and right lower quadrant supporting construction 2 are symmetrically fixed on two sides；Lower left quarter supporting construction 1 He
Right lower quadrant supporting construction 2 all includes Extended chemotherapy 1.1 and is fixed on the abutment 1.2 of Extended chemotherapy 1.1 centre of surface；Expand base
Plinth 1.1 lateral length 9m, longitudinal length 3m, high 3m；Abutment 1.2 lateral length 8m, longitudinal length 1.2m, high 1.8m.Lower left quarter
Supporting construction 1 and the outside of right lower quadrant supporting construction 2 use gabion protection.Concrete pillar installed below at Extended chemotherapy
Pier, concrete column pier is at the water surface following buried depth 3m, the above 3m of the water surface.
Surface horizontal direction in lower left quarter supporting construction 1 and right lower quadrant supporting construction 2 is installed with left pier top respectively
Distribution crossbeam 6 and right pier top distribution crossbeam 7；Left Bailey beam 3 is arranged on the left of bridge floor, and crossbeam is distributed with left pier top respectively in its two ends
6 and right pier top distribution crossbeam 7 fix；Right Bailey beam 4 is arranged on the right side of bridge floor, its two ends respectively with left pier top distribution crossbeam 6 and
Right pier top distribution crossbeam 7 is fixed；Region between left Bailey beam 3 and right Bailey beam 4, equidistantly fixedly mounts several horizontal
Distribution beam 8；On transverse distribution beam 8, equidistantly several longitudinal distribution beam 9 of fixed installation；Upper in longitudinal distribution beam 9
Face, lays bridge floor 5.
In this utility model, left pier top distribution crossbeam 6 and right pier top distribution crossbeam 7 use Two bors d's oeuveres I25 I-steel.Bailey beam
For lower load-bearing force design, Bailey beam uses Bailey bracket assembled, and girder is that the Bailey truss of four row's monolayers is assembled, passes through Two bors d's oeuveres
I25 I-steel acts on abutment, it is ensured that Bailey beam lower edge is away from more than water surface 3m.Transverse distribution beam 8 uses 2I25a crossbeam, horizontal
Beam is positioned at Bailey bracket montant and node location, spacing 150cm of Bailey beam；Longitudinal distribution beam 9 uses 2I12.6 longeron, spacing
40cm.Bridge floor 5 uses 10mm thickness checkered steel plate, both can guarantee that certain support strength, and had had again anti-skidding effect, prevent pedestrian or
Vehicle slips.
Above-mentioned steel suspension bridge construction method: abutment Extended chemotherapy uses mechanical bond hand excavation, C25 concreting；In
Between bridge pier use build cofferdam, island method construction；Beret truss uses on-site consolidation, crane to coordinate jack and winch dragging to set up, just
Bridge floor girder system is installed after Wei.
Construction technology process: measurement and positioning foundation construction bridge sill installs Bailey beam mounting bridge panel peace
Dress railing accessory structure is installed.
Detailed construction process be described below:
1) construction lofting
Surveying party, according to design drawing, is released sideline, abutment position with total powerstation, is made steel suspension bridge axis and measure absolute altitude,
Determine cutting depth；Determine the position of steel-pipe pile in water outlet simultaneously.
2) excavation of foundation pit
Abutment is positioned at both sides, river course on the bank, and Extended chemotherapy uses mechanical bond hand excavation, is first entered in two sides by digging machine
Row excavates on a large scale, notes excavation slope stability, it is ensured that construction safety in work progress.Machine finish less than position artificial
Clear up.
3) abutment construction
Abutment uses C25 concrete Extended chemotherapy, basic long 9m, wide 3m, high 3m.Base center arranges abutment, finite element
1.8m, length 8m, width 1.2m.Concrete is numbered C25 concrete, concrete vibration compacting to be guaranteed in casting process.In abutment work progress
Note top embedded bar.Abutment and basis around use gabion to protect.
4) Bailey truss is assembled
Bridge pier uses C25 concrete concrete column pier, and bridge pier is at the water surface following buried depth 3m, and the above 3m of the water surface, before Bridge Pier Construction
Filling platform cofferdam, surveying and locating goes out pier location, excavation pit to stable basement rock, installation form, adjusts the vertical degree of template
Cannot be greater than 20mm, anhydrous entrance in must assure that template during formwork erection.Before casting concrete, it is necessary to by dry for cleaning at the bottom of substrate
Only, then casting concrete is to designed elevation, and vibration compacting in layering (thickness about 30cm), and effect of vibrating is put down with concrete surface
Smooth bleeding is advisable.Concrete strength reaches to carry out during the 90% of design strength installation and the welding of pier top I-steel.
5) Bailey truss is assembled
Shellfish thunder girder is assembled in ward, the Bailey beam intending installing is lifted, is placed on after the Bailey beam installed,
And in line therewith, Bailey beam front end is lifted through gusset plate by two people with waddy, after lower edge pin-and-hole alignment, inserts pin,
Lift Bailey beam rear end the most again, insert and wind up pin and set night bolt.The assembly of shellfish thunder is carried out by group, the most assembled one group of shellfish
Thunder (horizontal four rows), often the group long 27m of shellfish thunder, connects with flower stand between beret truss.It is assembled in back court to carry out.For ensureing the firm of beam
Spending, all bolt nuts of truss frame for connecting must be tightened, and truss pin must be plugged safety plug behind position.
6) first install across longeron
Owing to Bailey beam weight is little (27m weighs about 9.72t across footpath 4 row's Bailey beam), loop wheel machine has enough lifting capacities, therefore single
Set up as one group across 4 row's Bailey beams simultaneously.
6.1) on abutment top and steel-pipe pile crossbeam, carry out surveying and locating, make Bailey bracket accurate location.
6.2) by the assembly one group of shellfish thunder main truss sheet entrucking after good and be transported to after truck crane.
6.3) every 4 of shellfish thunder is divided into one group, and first truck crane or pedrail crane install one group of shellfish thunder, accurate rear first jail in place
Admittedly be bundled on crossbeam, then welded limiting device, then another group beret truss is installed, simultaneously with mounted one group of shellfish thunder shellfish thunder
Sheet bridging is attached..
7) first install across crossbeam
Crossbeam uses 2I25a I-steel, long 6.5m, net span 4.5m.
Use 25t truck crane to carry out the installation of shaped steel distribution beam, by spacing, crossbeam is installed, and fixes with U-bolt.Horizontal
The fulcrum of beam must necessarily be placed in Bailey beam and erects chord member or the position of the fulcrum of rhombus chord member, to meet force request.Lifting put in place after with
Bailey beam electric spot welding is connected into entirety, and throat depth meets design requirement.
8) the first bridge face distribution beam is installed
Longeron and crossbeam just can install distribution beam after adjusting linear and position.Longeron uses 2I12.6 I-steel, and
Row places vertically on crossbeam, spacing 40cm.Longeron joint is located at 1/4 cross-location as far as possible, and requires to be staggeredly arranged, same section
Plane tie must not exceed 25%.Use steel plate Double-face adhesive soldering strong after first being welded by I-steel steel again.
9) floorings and accessory structure
Suspension bridge width 4.5m, floorings use 10mm steel plate, fix with longitudinal beam welding.Bridge surface armor plate selects the deep decorative pattern of high-quality
Checkered plates, prevents rainy day pedestrian from slipping or motor vehicles skids.Floorings carry out lighting tube line after installing and other are attached
The installation of structure.
10) second install across structure
Second after Bailey beam assembly well, and repetition first is across installation steps, until view picture steel suspension bridge installs.
This steel suspension bridge dead load is mainly the dead loads such as shaped steel bridge deck, Bailey beam, and dead load considers that 1.2 safety coefficients are carried out
Load Combination, owing to mobile load has contemplated that 1.2 impact coefficients, the most separately counts according to the 4.1.6 of " highway bridge and culvert design general specification "
Combination coefficient.Specify according to " highway bridge and culvert steel construction and Code for design of timber structures ": temporary structure allowable stress can improve 1.3
(combination I: dead load+-I grade of highway carload+variable load), 1.4 (combinations II: dead load+creeper truck+variable load).This steel
Suspension bridge shaped steel bending allowable stress takes 1.4 × 145=203MPa, and allowable shearing stress takes 1.4 × 85=119MPa.
The base-supporting Bailey beam steel suspension bridge that this utility model provides, as interim sidewalk, tool in construction in river course, shoal
Having simple in construction, strong adaptability, interchangeability is good, and dismounting is convenient, sets up speed fast, and load-carrying is big, low cost, and the intensity of structure is with just
Spend high distinguishing feature, the related request of Longspan Bridge capital construction can be met, can be widely used among construction.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should regard protection domain of the present utility model.
Claims (6)
1. a base-supporting Bailey beam steel suspension bridge, it is characterised in that include lower left quarter supporting construction (1), right lower quadrant supporting construction
(2), left Bailey beam (3), right Bailey beam (4) and bridge floor (5)；
Wherein, described lower left quarter supporting construction (1) and described right lower quadrant supporting construction (2) are symmetrically fixed on two sides；Described lower-left
Portion's supporting construction (1) and described right lower quadrant supporting construction (2) all include Extended chemotherapy (1.1) and are fixed on described Extended chemotherapy
(1.1) abutment (1.2) of centre of surface；
Surface horizontal direction described lower left quarter supporting construction (1) and described right lower quadrant supporting construction (2) fixedly mounts respectively
There are left pier top distribution crossbeam (6) and right pier top distribution crossbeam (7)；Described left Bailey beam (3) is arranged on the left of bridge floor, and its two ends are divided
Do not fix with described left pier top distribution crossbeam (6) and described right pier top distribution crossbeam (7)；Described right Bailey beam (4) is arranged at bridge
Right side of face, its two ends are fixed with described left pier top distribution crossbeam (6) and described right pier top distribution crossbeam (7) respectively；On a described left side
Region between Bailey beam (3) and described right Bailey beam (4), equidistantly fixedly mounts several transverse distribution beams (8)；Described
Above transverse distribution beam (8), equidistantly several longitudinal distribution beam (9) of fixed installation；Upper described longitudinal distribution beam (9)
Face, lays described bridge floor (5).
Base-supporting Bailey beam steel suspension bridge the most according to claim 1, it is characterised in that described Extended chemotherapy (1.1) is horizontal
Length 9m, longitudinal length 3m, high 3m；Described abutment (1.2) lateral length 8m, longitudinal length 1.2m, high 1.8m.
Base-supporting Bailey beam steel suspension bridge the most according to claim 1, it is characterised in that described lower left quarter supporting construction (1)
Outside with described right lower quadrant supporting construction (2) uses gabion protection.
Base-supporting Bailey beam steel suspension bridge the most according to claim 1, it is characterised in that described left pier top distribution crossbeam (6)
Two bors d's oeuveres I25 I-steel is used with described right pier top distribution crossbeam (7).
Base-supporting Bailey beam steel suspension bridge the most according to claim 1, it is characterised in that described transverse distribution beam (8) uses
2I25a crossbeam, crossbeam is positioned at Bailey bracket montant and node location, spacing 150cm of Bailey beam；Described longitudinal distribution beam (9) is adopted
Use 2I12.6 longeron, spacing 40cm.
Base-supporting Bailey beam steel suspension bridge the most according to claim 1, it is characterised in that described bridge floor (5) uses 10mm thick
Checkered steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509336.5U CN205662832U (en) | 2016-05-30 | 2016-05-30 | Under hold formula beiLei beam steel suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509336.5U CN205662832U (en) | 2016-05-30 | 2016-05-30 | Under hold formula beiLei beam steel suspension bridge |
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| Publication Number | Publication Date |
|---|---|
| CN205662832U true CN205662832U (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620509336.5U Active CN205662832U (en) | 2016-05-30 | 2016-05-30 | Under hold formula beiLei beam steel suspension bridge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237251A (en) * | 2017-07-13 | 2017-10-10 | 中国水利水电第十工程局有限公司 | A kind of access bridge flat stacking sets up the construction method of interim steel bridge |
| CN109653076A (en) * | 2018-12-24 | 2019-04-19 | 四川港航建设工程有限公司 | Combined type flood control is passed the flood period lock head shellfish Lei Gangqiao and construction method |
| CN111287088A (en) * | 2020-01-06 | 2020-06-16 | 河南省公路工程局集团有限公司 | Special steel temporary bridge for protecting crossing pipeline and construction method thereof |
| CN113957881A (en) * | 2021-11-11 | 2022-01-21 | 中铁大桥局武汉桥梁特种技术有限公司 | Construction method suitable for mountainous area river rock layer bridge foundation |
-
2016
- 2016-05-30 CN CN201620509336.5U patent/CN205662832U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237251A (en) * | 2017-07-13 | 2017-10-10 | 中国水利水电第十工程局有限公司 | A kind of access bridge flat stacking sets up the construction method of interim steel bridge |
| CN109653076A (en) * | 2018-12-24 | 2019-04-19 | 四川港航建设工程有限公司 | Combined type flood control is passed the flood period lock head shellfish Lei Gangqiao and construction method |
| CN111287088A (en) * | 2020-01-06 | 2020-06-16 | 河南省公路工程局集团有限公司 | Special steel temporary bridge for protecting crossing pipeline and construction method thereof |
| CN113957881A (en) * | 2021-11-11 | 2022-01-21 | 中铁大桥局武汉桥梁特种技术有限公司 | Construction method suitable for mountainous area river rock layer bridge foundation |
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| GR01 | Patent grant |