CN109306655A - A kind of steelframe bridge structure and construction method quickly spliced - Google Patents
A kind of steelframe bridge structure and construction method quickly spliced Download PDFInfo
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- CN109306655A CN109306655A CN201811248399.XA CN201811248399A CN109306655A CN 109306655 A CN109306655 A CN 109306655A CN 201811248399 A CN201811248399 A CN 201811248399A CN 109306655 A CN109306655 A CN 109306655A
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- channel member
- web member
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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
- E01D6/00—Truss-type bridges
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of steelframe bridge structure and construction method quickly spliced herein, which includes main frame structure and bridge floor frame；Main frame structure includes lower beam, upper beam, upper longitudinal beam, upper cant beam, perpendicular web member, diagonal web member, bottom lateral bracing；The bridge floor frame is made of channel member, channel member fixture block and billet.The present invention provides a kind of steelframe bridge structure quickly spliced herein；The steelframe bridge structure overall structure that this patent provides is secured, can prevent beam body from lateral deviation occurs, be effective against wind load, keeps bridge structure more firm, securely and reliably；And main frame structure can be realized quick splicing；The force request of upper and lower level can be met simultaneously, construction technology facilitates maturation, and significantly reduces the building height of structure, shortens bridge length, reduces construction scale, has apparent economic benefit.In addition, being made of channel member, channel member fixture block and billet for bridge floor frame, simplifying the construction intensity of floor system.
Description
Technical field
The present invention relates to one kind to build a bridge, and is specifically steelframe bridge structure and construction party that one kind is quickly spliced
Method.
Background technique
In existing highway bridge structure type, there are beam bridge, arch bridge, cable-stayed bridge, suspension bridge and composite bridge, wherein with beam bridge
It is most commonly seen.Be bent cap above bridge pier in bridge structure, be spherical bearing structure between bent cap and top beam body, bent cap and
Bearing pad stone is equipped between spherical bearing, spherical bearing is located on bearing pad stone, between bent cap and bearing pad stone and beam body and
Steel plate is equipped between spherical bearing.However, beam bridge is during construction and operation, and due to being influenced by wind-force, home position
The superstructure beam body of correct concrete beam bridge will appear lateral deviation phenomenon, and leading to bridge structure, there are safety built on the sand
Hidden danger.
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc..
It is found by retrieval, the utility model of patent No. CN201721924449.2 discloses one kind and is equipped with horizontal wind resistance
The bridge structure of device, is related to field of bridge construction, the spherical bearing being arranged including at least two along direction across bridge, two balls
The side of shape support away from each other is respectively provided with a horizontal wind-proof device, and two horizontal wind-proof devices are symmetrically set along direction across bridge
It sets, the horizontal wind-proof device includes the support base and at least one horizontally disposed top-pushing mechanism of a fixed setting, the pushing tow
Mechanism one end is set on the support base, and the other end is held in side of the spherical bearing far from bridge center.
A kind of dual deck bridge structure for reducing whole height of the disclosure of the invention of patent No. CN201610332550.2, packet
Shared pier stud, upper layer railway beam portion and lower layer's railway beam portion are included, pier stud is shared and is made of lower part solid pier and top twin shaft pier, on
The upper layer railway stringer of layer railway beam portion is located at shared pier stud by the way that support body frame is arranged outward in the two sides of same level
On the twin shaft pier of top, supporter is the prestressed reinforced concrete construction of lateral widening and tensioning transversely prestressed bars.
The utility model of patent No. CN201721481798.1 discloses a kind of bridge structure that civil small-scale quickly splices,
Including multiple inserting columns and bridge plate, the top of each inserting column is fixedly connected to bridge pier, and each bridge plate is erected at bridge
On pier, one end of each bridge plate is equipped with fixed plate, and each one end of the bridge plate far from fixed plate offers and consolidates
The mutually matched fixing groove of fixed board, opens up that there are two fixture block groove, two fixture blocks on the two sidewalls of each fixed plate
The inside of slot is mounted on spring, and two opposite one end of the spring are mounted on wedge-shaped fixture block, two wedge-shaped fixture blocks
It is respectively connected with traction rope close to one end of spring, two traction ropes are connected with drawstring far from one end of wedge-shaped fixture block jointly.
The utility model structure is simple, convenient for operation, forms a firm bridge provided with a series of components convenient to use, together
When be easy for installation and removal, greatly improve the traffic convenience in rural area and suburb, efficiently it is convenient, be worthy to be popularized.
Currently, in Bridge Design, due to the requirement of the factors such as geological conditions, navigational clearance, sometimes must using greatly across
Diameter, therefore frequently with cable-stayed bridge and suspension bridge scheme.But with the increase of across footpath, the cost of cable-stayed bridge and suspension bridge be will increase very
It is more.In addition, existing bridge structure is complicated, difficulty of construction is big, and consumptive material is more, and common rural area, suburb modernization construction are unsound,
Drop down water, detour area, locals can only rely on less cost, and a small amount of manpower, simple tool, the less time builds
Simple bridge, thus be badly in need of it is a kind of facilitate passage, reduce the used time, guarantee the safe steelframe bridge structure quickly spliced.
Summary of the invention
Therefore, in order to solve above-mentioned deficiency, the present invention provides a kind of steelframe bridge structure and construction quickly spliced herein
Method；The steelframe bridge structure overall structure that this patent provides is secured, can prevent beam body from lateral deviation occurs, be effective against wind
Load keeps bridge structure more firm, securely and reliably；And main frame structure can be realized quick splicing；It can meet simultaneously upper and lower
The force request of level, construction technology facilitate maturation, and significantly reduce the building height of structure, shorten bridge length, reduce
Construction scale has apparent economic benefit.In addition, for bridge floor frame, by channel member, channel member fixture block and billet
Composition, simplifies the construction intensity of floor system.
The invention is realized in this way constructing a kind of steelframe bridge structure quickly spliced, it is characterised in that: the level bridges
Girder construction includes main frame structure and bridge floor frame；Main frame structure include lower beam, upper beam, upper longitudinal beam, upper cant beam, perpendicular web member,
Diagonal web member, bottom lateral bracing；Wherein, lower beam equidistantly arranges, solid using bolt or welding by slanting bottom lateral bracing between lower beam
It is fixed；Bolt is used between upper beam and upper longitudinal beam or the upper layer frame body to form the steelframe bridge structure, upper cant beam is welded and fixed
Oblique to be fixedly connected between upper beam and upper longitudinal beam, perpendicular web member is using bolt or is welded between lower beam and upper beam, uses
Upper layer frame body is supported in fixed；The two sides of perpendicular web member are respectively fixed with diagonal web member, and diagonal web member is for enhancing to upper layer frame body
Support；The bridge floor frame is made of channel member, channel member fixture block and billet；Channel member fixture block passes through bolt or weldering respectively
It connects and is fixed on upper beam or upper cant beam, channel member is stuck in the bayonet of channel member fixture block, while bolt is respectively adopted in channel member
Or the mode of welding is fixed with upper beam and upper cant beam；Billet is by bolt or is weldingly fixed on channel member.
As an improvement of the above technical solution,
The steelframe bridge structure that described one kind is quickly spliced, it is characterised in that: the lower beam, upper beam, upper longitudinal beam, it is upper tiltedly
Beam, perpendicular web member, diagonal web member, bottom lateral bracing are respectively rectangle steelframe.
As an improvement of the above technical solution,
The steelframe bridge structure that described one kind is quickly spliced, it is characterised in that: 45 degree of holding is oblique between perpendicular web member and diagonal web member
Angle.
As an improvement of the above technical solution,
The steelframe bridge structure that described one kind is quickly spliced, it is characterised in that: lower beam, upper longitudinal beam, upper cant beam, erects upper beam
The height formed with Mn and Cr alloying element is respectively adopted in web member, diagonal web member, bottom lateral bracing, channel member, channel member fixture block and billet
Manganese alloy steel is made, and weight percentage is as follows: C:0.7-0.8%；Si:0.8-0.9%；Cr:2-3%；Mn:12-15%；
S :≤0.03%；P :≤0.06%；Surplus is Fe.
A kind of construction method for the steelframe bridge structure quickly spliced, it is characterised in that: as follows into；
(1), it arranges lower beam (1), and using bolt or is welded and fixed slanting bottom lateral bracing (7) between lower beam (1)；
(2), web member (5) are fixedly connected with along lower beam (1), it is then fixed upper beam (2) in web member (5) upper end；
(3), laterally fixed upper longitudinal beam (3) along upper beam (2), while cant beam (4) and diagonal web member (6) being fixedly connected with；
(4), then pass through bolt on upper beam (2) and upper cant beam (4) or upper channel member fixture block (9) is welded and fixed, in channel steel
Billet (10) are passed through bolt after pressing or are weldingly fixed on channel member (8) by the interior clamping channel member (8) of part fixture block (9), volume.
The present invention has the advantage that the present invention provides a kind of steelframe bridge structure quickly spliced by improving herein,
As Figure 1-Figure 5, it can be practiced, have the following advantages that as follows；
Advantage 1: the steelframe bridge structure includes main frame structure and bridge floor frame；Main frame structure includes lower beam, upper beam, upper vertical
Beam, upper cant beam, perpendicular web member, diagonal web member, bottom lateral bracing；Wherein, lower beam equidistantly arranges, and passes through slanting bottom lateral bracing between lower beam
Using bolt or it is welded and fixed；It uses bolt between upper beam and upper longitudinal beam or is welded and fixed to form the upper of the steelframe bridge structure
Layer frame body, upper cant beam is oblique to be fixedly connected between upper beam and upper longitudinal beam, and perpendicular web member is using bolt or is welded on lower beam
Between upper beam, for fixed support upper layer frame body；The two sides of perpendicular web member are respectively fixed with diagonal web member, and diagonal web member is for increasing
By force to the support of upper layer frame body；The bridge floor frame is made of channel member, channel member fixture block and billet；Channel member fixture block point
It bolt or Tong Guo not be weldingly fixed on upper beam or upper cant beam, channel member is stuck in the bayonet of channel member fixture block, while channel steel
Bolt is respectively adopted in part or the mode of welding is fixed with upper beam and upper cant beam；Billet is by bolt or is weldingly fixed on channel steel
On part.The steelframe bridge structure overall structure that this patent provides is secured, can prevent beam body from lateral deviation occurs, be effective against wind
Load keeps bridge structure more firm, securely and reliably；And main frame structure can be realized quick splicing；It can meet simultaneously upper and lower
The force request of level, construction technology facilitate maturation, and significantly reduce the building height of structure, shorten bridge length, reduce
Construction scale has apparent economic benefit.In addition, for bridge floor frame, by channel member, channel member fixture block and billet
Composition, simplifies the construction intensity of floor system.
Advantage 2: the lower beam, upper beam, upper vertical in the steelframe bridge structure that one kind described in this patent is quickly spliced
Beam, upper cant beam, perpendicular web member, diagonal web member, bottom lateral bracing are respectively rectangle steelframe；The benefit so realized using rectangle steelframe is,
On the one hand preferable stress intensity is obtained, in addition can also simplifies working procedure and intensity, save the operation duration.
Advantage 3: in the steelframe bridge structure that one kind described in this patent is quickly spliced, 45 are kept between perpendicular web member and diagonal web member
Oblique angle is spent, preferable support strength can be obtained.
Advantage 4: in this patent, the lower beam, upper beam, upper longitudinal beam, upper cant beam, perpendicular web member 5, diagonal web member, under
Lateral, channel member, channel member fixture block and billet are respectively adopted to be made with the high manganese steel that Mn and Cr alloying element forms,
Weight percentage is as follows: C:0.7-0.8%；Si:0.8-0.9%；Cr:2-3%；Mn:12-15%；S :≤0.03%；P :≤
0.06%；Surplus is Fe.Using above-mentioned material when, integrated carrying ability is higher than ordinary low-carbon steel, can improve each
The service life of partial component reduces maintenance cost and unknown losses etc..
Detailed description of the invention
Fig. 1 is this patent integral frame schematic diagram；
Fig. 2 is this patent integral frame front schematic view；
Fig. 3 is this patent integral frame top schematic diagram；
Fig. 4 is this patent integral frame side schematic view；
Fig. 5 is partial enlargement diagram in Fig. 1.
Wherein: lower beam 1, upper beam 2, upper longitudinal beam 3, upper cant beam 4, perpendicular web member 5, diagonal web member 6, bottom lateral bracing 7, channel member 8,
Channel member fixture block 9, billet 10.
Specific embodiment
Below in conjunction with attached drawing 1- Fig. 5, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of steelframe bridge structure quickly spliced by improving herein, as Figure 1-Figure 5, can be by
It is practiced according to such as under type；The steelframe bridge structure includes main frame structure and bridge floor frame；Main frame structure include lower beam 1,
Upper beam 2, upper longitudinal beam 3, upper cant beam 4, perpendicular web member 5, diagonal web member 6, bottom lateral bracing 7；Wherein, lower beam 1 equidistantly arranges, lower beam 1
Between by slanting bottom lateral bracing 7 using bolt or being welded and fixed；It is solid using bolt or welding between upper beam 2 and upper longitudinal beam 3
It is shaped as the upper layer frame body of the steelframe bridge structure, upper cant beam 4 is oblique to be fixedly connected between upper beam 2 and upper longitudinal beam 3, is erected
Web member 5 is using bolt or is welded between lower beam 1 and upper beam 2, for fixed support upper layer frame body；The two of perpendicular web member 5
Side is respectively fixed with diagonal web member 6, and diagonal web member 6 is used to enhance the support to upper layer frame body；The bridge floor frame by channel member 8,
Channel member fixture block 9 and billet 10 form；Channel member fixture block 9 by bolt or is weldingly fixed on upper beam 2 or upper cant beam 4 respectively
On, channel member 8 is stuck in the bayonet of channel member fixture block 9, while the mode and upper beam of bolt or welding is respectively adopted in channel member 8
2 and upper cant beam 4 it is fixed；Billet 10 is by bolt or is weldingly fixed on channel member 8.
The steelframe bridge structure overall structure that this patent provides is secured, can prevent beam body from lateral deviation occurs, effectively support
Ant wind load keeps bridge structure more firm, securely and reliably；And main frame structure can be realized quick splicing；It can meet simultaneously
The force request of upper and lower level, construction technology facilitates maturation, and significantly reduces the building height of structure, shortens bridge length,
Construction scale is reduced, there is apparent economic benefit.In addition, for bridge floor frame, by channel member 8,9 and of channel member fixture block
Billet 10 forms, and simplifies the construction intensity of floor system.
It is the lower beam 1, upper beam 2, upper vertical in addition, in the steelframe bridge structure that one kind described in this patent is quickly spliced
Beam 3, upper cant beam 4, perpendicular web member 5, diagonal web member 6, bottom lateral bracing 7 are respectively rectangle steelframe；That is so realized using rectangle steelframe is good
Place is on the one hand to obtain preferable stress intensity, in addition can also simplify working procedure and intensity, saves the operation duration.
In addition, being kept between perpendicular web member 5 and diagonal web member 6 in the steelframe bridge structure that one kind described in this patent is quickly spliced
45 degree of oblique angles, can obtain preferable support strength.
In addition, in this patent, the lower beam 1, upper beam 2, upper longitudinal beam 3, upper cant beam 4, perpendicular web member 5, diagonal web member
6, the high manganese formed with Mn and Cr alloying element is respectively adopted in bottom lateral bracing 7, channel member 8, channel member fixture block 9 and billet 10
Steel is made, and weight percentage is as follows: C:0.7-0.8%；Si:0.8-0.9%；Cr:2-3%；Mn:12-15%；S :≤
0.03%；P :≤0.06%；Surplus is Fe.Using above-mentioned material when, integrated carrying ability is higher than ordinary low-carbon steel, makes it
The service life that can be improved each section component reduces maintenance cost and unknown losses of equipment etc..
A kind of construction method for the steelframe bridge structure quickly spliced, as follows into；
(1), it arranges lower beam 1, and using bolt or slanting bottom lateral bracing 7 is welded and fixed between lower beam 1；
(2), it is fixedly connected with web member 5 along lower beam 1, then in the fixed upper beam 2 in 5 upper end of web member；
(3), upper longitudinal beam 3 is laterally fixed along upper beam 2, while is fixedly connected with cant beam 4 and diagonal web member 6；
(4), then pass through bolt on upper beam 2 and upper cant beam 4 or upper channel member fixture block 9 is welded and fixed, in channel member fixture block 9
Billet 10 by bolt or is weldingly fixed on channel member 8 by interior clamping channel member 8, volume after.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. the steelframe bridge structure that one kind is quickly spliced, it is characterised in that: the steelframe bridge structure includes main frame structure and bridge floor
Frame；Main frame structure include lower beam (1), upper beam (2), upper longitudinal beam (3), upper cant beam (4), perpendicular web member (5), diagonal web member (6),
Bottom lateral bracing (7)；Wherein, lower beam (1) equidistantly arranges, and uses bolt or weldering by slanting bottom lateral bracing (7) between lower beam (1)
Connect fixation；Bolt is used between upper beam (2) and upper longitudinal beam (3) or the upper layer frame to form the steelframe bridge structure is welded and fixed
Body, upper cant beam (4) is oblique to be fixedly connected between upper beam (2) and upper longitudinal beam (3), and perpendicular web member (5) are using bolt or are welded on
Between lower beam (1) and upper beam (2), for fixed support upper layer frame body；The two sides of perpendicular web member (5) are respectively fixed with oblique abdomen
Bar (6), diagonal web member (6) are used to enhance the support to upper layer frame body；The bridge floor frame is by channel member (8), channel member fixture block
(9) it is formed with billet (10)；Channel member fixture block (9) by bolt or is weldingly fixed on upper beam (2) or upper cant beam (4) respectively
On, channel member (8) is stuck in the bayonet of channel member fixture block (9), while channel member (8) be respectively adopted the mode of bolt or welding with
Upper beam (2) and upper cant beam (4) are fixed；Billet (10) is by bolt or is weldingly fixed on channel member (8).
2. a kind of steelframe bridge structure quickly spliced according to claim 1, it is characterised in that: the lower beam (1), on
Crossbeam (2), upper longitudinal beam (3), upper cant beam (4), perpendicular web member (5), diagonal web member (6), bottom lateral bracing (7) are respectively rectangle steelframe.
3. a kind of steelframe bridge structure quickly spliced according to claim 1, it is characterised in that: perpendicular web member (5) and oblique abdomen
45 degree of oblique angles are kept between bar (6).
4. a kind of steelframe bridge structure quickly spliced according to claim 1, it is characterised in that: lower beam (1), upper beam
(2), upper longitudinal beam (3), upper cant beam (4), perpendicular web member (5), diagonal web member (6), bottom lateral bracing (7), channel member (8), channel member fixture block (9)
It is respectively adopted with billet (10) and is made with the high manganese steel that Mn and Cr alloying element forms, weight percentage is as follows:
C:0.7-0.8%；Si:0.8-0.9%；Cr:2-3%；Mn:12-15%；S :≤0.03%；P :≤0.06%；Surplus is Fe.
5. the construction method of steelframe bridge structure that one kind is quickly spliced, it is characterised in that: as follows into；
(1), it arranges lower beam (1), and using bolt or is welded and fixed slanting bottom lateral bracing (7) between lower beam (1)；
(2), web member (5) are fixedly connected with along lower beam (1), it is then fixed upper beam (2) in web member (5) upper end；
(3), laterally fixed upper longitudinal beam (3) along upper beam (2), while cant beam (4) and diagonal web member (6) being fixedly connected with；
(4), then pass through bolt on upper beam (2) and upper cant beam (4) or upper channel member fixture block (9) is welded and fixed, in channel steel
Billet (10) are passed through bolt after pressing or are weldingly fixed on channel member (8) by the interior clamping channel member (8) of part fixture block (9), volume.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811248399.XA CN109306655A (en) | 2018-10-25 | 2018-10-25 | A kind of steelframe bridge structure and construction method quickly spliced |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811248399.XA CN109306655A (en) | 2018-10-25 | 2018-10-25 | A kind of steelframe bridge structure and construction method quickly spliced |
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