CN108625269B - A kind of the part opening girder steel and its construction technology of function division design - Google Patents
A kind of the part opening girder steel and its construction technology of function division design Download PDFInfo
- Publication number
- CN108625269B CN108625269B CN201810420407.8A CN201810420407A CN108625269B CN 108625269 B CN108625269 B CN 108625269B CN 201810420407 A CN201810420407 A CN 201810420407A CN 108625269 B CN108625269 B CN 108625269B
- Authority
- CN
- China
- Prior art keywords
- steel
- girder
- silent
- plate
- diaphragm plate
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
Abstract
A kind of the part opening girder steel and its construction technology of function division design, including steel girder and silent steel box-girder；Steel girder is two, several open-mouth section middle cross beams are provided between two bar steel girders, several cantilever beams are provided on the side wall of each steel girder, diaphragm plate in several open-mouth section casees is provided in steel girder, diaphragm plate and several open-mouth section middle cross beams form open steel box-girder in steel girder, several open-mouth section casees；Silent steel box-girder is located on support, and silent steel box-girder is collectively constituted by steel girder, silent back cover plate and silent part steel case web, the silent diaphragm plate of setting in steel girder, is provided with silent diaphragm plate between two pieces of beams between two bar steel girders；Orthotropic Steel Bridge Deck is provided on two bar steel girders.The configuration of the present invention is simple, stress performance are good, while improving steel case power transmission effect, increase the rigidity of structure, while structure construction is convenient, facilitates maintenance.
Description
Technical field
The present invention design technical field of bridge construction more particularly to a kind of function division design part opening girder steel and its
Construction technology.
Background technique
Continuous bridge is widely used in China, the internal force characteristic distributions of continuous bridge be have at middle support it is very big bear it is curved
Square and shearing action.Traditional concrete continuous beam by middle support concrete roof configure prestressing force come resist bear it is curved
Square, construction link is cumbersome, and the duration is longer, is unsatisfactory for the requirement of municipal bridge rapid construction.Traditional truss bridge, generally single chamber
Or single-box multi-cell section, integral hoisting weight is big, therefore generally welds using segment lifting and at the scene integral, causes in this way
Site welding amount is big, and welding surroundings are poor in case in addition, and welding quality is difficult to ensure.Segment will appear when dividing and vertically and horizontally divide
Block is unfavorable for the control of site operation quality and the raising of speed of application.
The part opening girder steel of function division design has the advantage that (1) steel box-girder uses zoning design theory, in parallel
Steel girder carries support, and nearby crossbeam uses closed steel beam section, and internal concrete perfusion is guaranteeing structure longitudinal load-bearing ability
Meanwhile increasing structure lateral stiffness and stability, prevent seat empty.(2) relatively traditional steel box-girder, structure opening ratio mention
Height, the site welding workload under sealing condition are reduced, and construction humanization level improves, and construction quality is easier to guarantee.(3)
Parallel steel girder is first constructed when construction, then construct intermediate transverse girder and Orthotropic Steel Bridge Deck thereon, so that main cable and girder
Weight is reduced, and whole hole can be used without bracket or limited bracket lifting girder, construction area is less, to city road intersection traffic impact
Smaller, it is therefore necessary to provide a kind of part opening girder steel.It is open it is therefore necessary to provide a kind of part of function division design
Girder steel.
Summary of the invention
Big, structurally reasonable, convenient and convenient for maintenance the function division of construction that the object of the present invention is to provide a kind of rigidity
The part opening girder steel and its construction technology of design.
To implement above-mentioned purpose, the technical solution adopted by the present invention is that:
A kind of part opening girder steel of function division design, including cross in steel girder, Orthotropic Steel Bridge Deck, open-mouth section
Beam, cantilever beam and silent steel box-girder；Wherein, the steel girder is two, is provided in several open-mouth sections between two bar steel girders
Crossbeam is provided with several cantilever beams on the side wall of each steel girder, diaphragm plate in several open-mouth section casees is provided in steel girder, and
And diaphragm plate, open-mouth section middle cross beam and cantilever beam are arranged in the same plane in corresponding open-mouth section case, steel girder, several openings
Diaphragm plate and several open-mouth section middle cross beams form open steel box-girder in section case；Silent steel box-girder is located on support, closed steel case
Liang Yougang girder, silent back cover plate and silent part steel case web collectively constitute, the silent diaphragm plate of setting, two bar steels in steel girder
Silent diaphragm plate between two pieces of beams is provided between girder, silent diaphragm plate is connected together between two pieces of beams；It is set on two bar steel girders
It is equipped with Orthotropic Steel Bridge Deck.
A further improvement of the present invention lies in that being filled with concrete in silent steel box-girder；Between beam in silent diaphragm plate and case
It is provided between silent diaphragm plate to drawing reinforcing bar.
A further improvement of the present invention lies in that diaphragm plate by opening diaphragm plate and is welded on opening diaphragm plate in open-mouth section case
On interior lining panel composition, be open diaphragm plate on offer slot, be provided with rounded corners at four angles of slot, it is interior
Liner plate is welded at the upper limb of opening diaphragm plate upper opening, and is vertically arranged with opening diaphragm plate, and the end of interior lining panel is provided with
Rounded corners.
A further improvement of the present invention lies in that the end of Orthotropic Steel Bridge Deck is concordant with the end of cantilever beam；Two
The deck-molding of steel girder is identical, and steel girder height is designed according to span setting using cross-section or variable cross-section designs.
A further improvement of the present invention lies in that the steel master that every bar steel girder is parallel by the bottom plate with several ribbed stiffeners and twice
Web forms, and is provided with two pieces of steel girder web plates on bottom plate, two pieces of parallel steel girder web plates are vertically arranged with bottom plate, and steel
The two sides on bottom plate are arranged in girder web plate, and two pieces of steel girder web plates and bottom plate form cavity；
Silent diaphragm plate between steel girder web plate, silent part steel case web, beam in silent steel box-girder, silent tabula in case
Stud welding screw is provided on plate and silent back cover plate, lower part is provided with reinforced mesh in silent steel box-girder.
A further improvement of the present invention lies in that Orthotropic Steel Bridge Deck end is provided with end-blocking plate, end-blocking plate and cantilever
Plate end is in contact.
A further improvement of the present invention lies in that open-mouth section middle cross beam is by open-mouth section middle cross beam diaphragm plate and open-mouth section middle cross beam
Interior lining panel composition, open-mouth section middle cross beam diaphragm plate one end are connected with a main girder steel side wall, the other end and an other main girder steel
Side wall is connected, and the top surface of open-mouth section middle cross beam diaphragm plate is concordant with steel girder web plate upper end, opens on open-mouth section middle cross beam diaphragm plate
If inverted U-shaped hole, circular arc chamfering is provided in U-shaped hole；The top of U-shaped hole is arranged in open-mouth section middle cross beam interior lining panel.
A further improvement of the present invention lies in that cantilever beam is made of the cantilever liner plate of cantilever slab and arc, arc cantilever lining
Plate is welded on cantilever slab lower edge, and cantilever slab lower edge is excessive using conic section, and cantilever liner plate uses arc.
A kind of construction method of the part opening girder steel of function division design, comprising the following steps:
1) construction pier footing and bridge pier pier, prefabricated two parallel steel girders, if then being welded in every bar steel girder
Diaphragm plate and silent diaphragm plate in dry open-mouth section case；
2) it pours bent cap and bent cap and abutment support is installed；
3) the spelling two parallel steel girders in pier top or ground support, and lifting or two parallel steel of integral pushing paragraph by paragraph
Girder；
4) two pieces of connected silent back cover plates are welded between two bar steel girders on ground support, in silent back cover plate two
End is welded with silent diaphragm plate between two pieces of beams, and silent diaphragm plate is vertical with steel girder between beam, is then arranged between two bar steel girders
There is silent part steel case web, silent part steel case web is vertically set on silent back cover plate, forms silent steel box-girder；Then
Lifting is between two parallel steel girders and being welded on steel girder；
5) cantilever beam and open-mouth section middle cross beam are welded；
6) it is mounted on inside silent steel box-girder, is then welded to drawing reinforcing bar after assembling reinforcement mesh sheet；
7) Orthotropic Steel Bridge Deck is installed；
8) to casting concrete inside silent steel box-girder；
9) construction concrete bridge deck pavement layer.
Compared with prior art, the invention has the following advantages:
The present invention is set on the side wall of each steel girder by being provided with several open-mouth section middle cross beams between two bar steel girders
Several cantilever beams are equipped with, are provided with diaphragm plate in several open-mouth section casees in steel girder, and diaphragm plate in corresponding open-mouth section case,
Open-mouth section middle cross beam and cantilever beam are arranged in the same plane, diaphragm plate and several openings in steel girder, several open-mouth section casees
Section middle cross beam forms open steel box-girder；Silent steel box-girder is located on support, and silent steel box-girder is by steel girder, silent back cover plate and abdomen
Plate collectively constitutes, the silent diaphragm plate of setting in steel girder, is provided with silent diaphragm plate between two pieces of beams between two bar steel girders, and two pieces
Silent diaphragm plate is connected together open steel box-girder between beam and silent steel box-girder is formed together function division design of the invention
The open girder steel in part, is designed, power transmission is more clear, is more saved with girder steel based on function division.Open section ratio is opposite in the present invention
Conventional girder steel is high, effectively reduces closing welding workload, construction humanization level is higher, and quality is easier to guarantee, the later period
Inspection is easily facilitated, is easy to conserve maintenance.Zoning design of the invention can better adapt to Urban Bridge bridge floor broaden or
The demand of abnormity, closing chamber can remain unchanged, only come by adjusting the open section width between chamber number and chamber
Adjust whole deck-siding.The present invention is applied widely, and superstructure is using the open steel box-girder in part, according to the need of span, deck-molding
It can be set as cross-section or variable cross-section, Urban Bridge is adapted to and the difference of span of bridge is needed.The wide different needs of bridge.
Girder steel of the invention can select a variety of construction technologies according to the different structure scale of construction.Due to being saved with the structural steel amount, hang
Fill it is light-weight, bridge it is wide less in the case where can be lifted with whole hole.When bridge width is larger, parallel steel girder can be lifted or be pushed up in advance
It pushes away, relative to conventional single chamber steel box-girder, lifting or pushing unit are lighter, and element length can be longer, and speed of application is faster；
In the larger situation of across footpath, silent part can be first constructed simultaneously, and the job platform as construction open section girder steel, therefore not
Bracket is needed, it is few to Coherent traffic noise under bridge.Structure of the invention is reasonable, stress performance is good, and construction is simple, construction period are short, makes
Type is beautiful, is easy to conserve, applied widely, and it is inconvenient, big to traffic impact to can effectively solve existing municipal bridge structure construction
Problem can improve stress performance and fatigue behaviour at steel beam bearing.
Detailed description of the invention
Fig. 1 is part opening steel beam structure schematic diagram of the invention.
Fig. 2 is the Section A-A structural schematic diagram of Fig. 1.
Fig. 3 is the section B-B structural schematic diagram of Fig. 1.
Fig. 4 is open-mouth section middle transverse beam structure schematic diagram in Fig. 1.
Fig. 5 is the structural schematic diagram of cantilever beam.
Fig. 6 is diaphragm structure schematic diagram in open-mouth section case.
Fig. 7 is silent part steel box-girder elevation.
Fig. 8 is silent part steel box-girder surface plan.
Fig. 9 is part opening girder steel side view of the invention.
Description of symbols:
1-steel girder；2-Orthotropic Steel Bridge Decks；3-open-mouth section middle cross beams；
4-cantilever beams；5-silent steel box-girders；Diaphragm plate in 6-open-mouth section casees；
7-stud welding screws；8-reinforced mesh；1-1-puts more energy into bottom plate；
1-2-steel girder web plate；2-1-end-blocking plate；
3-1-open-mouth section middle cross beam diaphragm plate；3-2-open-mouth section middle cross beam interior lining panel；
Silent diaphragm plate between 3-3-beam；
4-1-cantilever slab；4-2-cantilever liner plate；
The silent back cover plate of 5-1-；The silent part steel case web of 5-2-；
Silent diaphragm plate between 5-3-beam；
6-1-opening diaphragm plate；Diaphragm plate interior lining panel in 6-2-open-mouth section case；
Silent diaphragm plate in 6-3-case；
9-open steel box-girders；10-supports.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings
As shown in Figure 1, a kind of part opening girder steel of function division design, including steel girder 1, Orthotropic Steel Bridge Deck
2, middle cross beam 3, cantilever beam 4 and silent steel box-girder 5.Wherein, the steel girder 1 is two, is provided on every bar steel girder 1 several
Ribbed stiffener, several open-mouth section middle cross beams 3 are provided between two bar steel girders 1, i.e. two bar steel girders 1 pass through horizontal in several open-mouth sections
Beam 3 connects, and several open-mouth section middle cross beams 3 are arranged in parallel.Several cantilever beams 4, steel girder are provided on the side wall of each steel girder 1
Diaphragm plate 6 in several open-mouth section casees is provided in 1, and diaphragm plate 6, open-mouth section middle cross beam 3 and cantilever beam 4 are set in open-mouth section case
It sets at the sustained height of steel girder 1, i.e. partition 6, middle cross beam 3 on two bar steel girders 1 at sustained height are located at cantilever beam 4
In same plane, diaphragm plate 6 and several open-mouth section middle cross beams 3 form open steel box-girder 9 in steel girder 1, several open-mouth section casees.
As shown in Fig. 1, Fig. 3 and Fig. 9, silent steel box-girder 5 is located on support 10, and silent steel box-girder 5 is longitudinal i.e. along steel girder 1
The length of length direction is about 2.5m~3.0m.Silent steel box-girder 5 is by steel girder 1, silent back cover plate 5-1 and silent part steel case
Web 5-2 collectively constitutes single four Room steel box-girder of case, wherein two pieces of connected silent back cover plates are provided between two bar steel girders 1
The both ends 5-1, silent back cover plate 5-1 are provided with silent diaphragm plate 3-3 between two pieces of beams, and silent diaphragm plate 3-3 and steel girder 1 hang down between beam
Directly, silent part steel case web 5-2 is provided between two bar steel girders 1, silent part steel case web 5-2 is vertically set on silent
On back cover plate 5-1.Silent diaphragm plate 6-3 in case is set in silent section, steel girder 1, is provided with two pieces between two bar steel girders 1
Silent diaphragm plate 3-3 between beam, silent diaphragm plate 3-3 is connected together between two pieces of beams, closes in silent diaphragm plate 3-3 and case between beam
The upper lower edge of mouth diaphragm plate 6-3 is provided with notch, and the ribbed stiffener on girder 1 is facilitated to pass through.
As shown in Figure 1, fill concrete is in silent steel box-girder 5 to guarantee 10 effective force of support.
Referring to Fig. 6, diaphragm plate 6 by opening diaphragm plate 6-1 and is welded on opening cross in open steel box-girder section, open-mouth section case
Interior lining panel 6-2 on partition 6-1 is formed, and slot is offered on the diaphragm plate 6-1 that is open, is arranged at four angles of slot
There are a rounded corners, interior lining panel 6-2 is welded at the upper limb of opening diaphragm plate 6-1 upper opening, and diaphragm plate 6-1 is vertical sets with opening
It sets, correspondingly, the end of interior lining panel 6-2 is provided with rounded corners, lower edge is provided with notch on diaphragm plate 6 in open-mouth section case, side
Just the ribbed stiffener on girder 1 passes through.
It is provided with Orthotropic Steel Bridge Deck 2 on two bar steel girders 1, i.e., is set above open steel box-girder 9 and silent steel box-girder 5
Set Orthotropic Steel Bridge Deck 2；The end of Orthotropic Steel Bridge Deck 2 is concordant with the end of cantilever beam 4, and cantilever beam 4 plays support
The effect of two parallel 1 outside Orthotropic Steel Bridge Decks 2 of steel girder.
Two bar steel girders, 1 deck-molding can be designed according to span setting using cross-section or variable cross-section designs.Two parallel steel masters
The center spacing of beam 1 can be adjusted according to the wide requirement of bridge, when necessary can a plurality of parallel steel girder of lateral arrangement if bridge is wide
1。
As shown in Figure 1, Figure 2 and shown in Fig. 6, every bar steel girder 1 steel parallel by bottom plate 1-1 and twice with several ribbed stiffeners
Girder web plate 1-2 is formed, and is provided with two pieces of steel girder web plates 1-2, two pieces of parallel steel girder web plate 1-2 and bottom on bottom plate 1-1
Plate 1-1 is vertically arranged, and the two sides that steel girder web plate 1-2 is arranged on bottom plate 1-1 are arranged, two pieces of steel girder web plate 1-2 with
Bottom plate 1-1 forms cavity.As shown in Figure 1,2 bottom end of Orthotropic Steel Bridge Deck is provided with end-blocking plate 2-1, end-blocking plate 2-1
It is in contact with 4 end of cantilever beam.
As shown in Figure 1, Figure 2 and shown in Fig. 4, open-mouth section middle cross beam 3 is set to open steel box-girder section, open-mouth section middle cross beam 3 by
Open-mouth section middle cross beam diaphragm plate 3-1 and open-mouth section middle cross beam interior lining panel 3-2 composition, open-mouth section middle cross beam one end diaphragm plate 3-1 with
One main 1 side wall of girder steel is connected, and the other end is connected with other one main 1 side wall of girder steel, the top of open-mouth section middle cross beam diaphragm plate 3-1
Face is concordant with the steel upper end girder web plate 1-2, opens up inverted U-shaped hole on open-mouth section middle cross beam diaphragm plate 3-1, is provided with circle in U-shaped hole
Shape chamfering.Open-mouth section middle cross beam interior lining panel 3-2 is connected at open-mouth section middle cross beam diaphragm plate 3-1 lower edge and chamfering, i.e. open-mouth section
The top of U-shaped hole is arranged in middle cross beam interior lining panel 3-2.Notch is arranged in open-mouth section middle cross beam diaphragm plate 3-1 upper limb, facilitates girder 1
On ribbed stiffener pass through.Middle cross beam diaphragm plate 3-1 and interior lining panel 3-2 is formed and is formed inverted T-shaped structure.
As shown in Figure 1, Figure 2 and shown in Fig. 5, cantilever beam 4 is made of the cantilever liner plate 4-2 of cantilever slab 4-1 and arc, and arc is outstanding
Arm liner plate 4-2 is welded on cantilever slab 4-1 lower edge, and cantilever liner plate 4-2 is required in terms of meeting stress and landscape effect two.Cantilever beam 4
It is elongated to be arranged on steel box girder bridge.Cantilever slab 4-1 lower edge is excessive using conic section, cantilever liner plate 4-2 and conic section shape
Correspondence is arc-shaped.4 upper limb of cantilever beam offers notch, and the ribbed stiffener on girder 1 is facilitated to pass through.
As shown in Figure 7 and Figure 8, to guarantee that concrete perfusion and silent steel box-girder 5 work together, in silent steel box-girder 5
Silent diaphragm plate 3-3 between steel girder web plate 1-2, silent part steel case web 5-2, beam, silent diaphragm plate 6-3 and silent envelope in case
Stud welding screw 7 is provided on bottom plate 5-1, stud welding screw 7 is generally using 22 × 150mm of φ cylinder weldering nail.In silent steel box-girder 5
Lower part is provided with reinforced mesh 8, specifically, reinforced mesh 8 is welded in steel girder web plate 1-2 and silent part steel case web 5-
On 2.Reinforced mesh is evenly distributed with downwards 4 layers from the top of support anchor bolt, and when having web to pass through, reinforced mesh 8 should be divided into two.
To guarantee that silent 5 diaphragm plate of steel box-girder does not rouse song after concrete perfusion, between Ying Liang in silent diaphragm plate 3-3 and case
Setting is to drawing reinforcing bar between silent diaphragm plate 6-3.Each disposal of box room should not be less than 5.
A kind of construction technology of the part opening girder steel of function division design, comprising the following steps:
1) construct pier footing and bridge pier pier, while or prefabricated two parallel steel girders 1 in advance, then in every bar steel master
Silent diaphragm plate 6-3 in diaphragm plate 6 and case in several open-mouth section casees of welding in beam 1；
2) it pours bent cap and bent cap and abutment support is installed；
3) the spelling two parallel steel girders 1 in pier top or ground support, and lifting or integral pushing two are parallel paragraph by paragraph
Steel girder 1；
4) two pieces of connected silent back cover plate 5-1 are welded between two bar steel girders 1 on ground support, in silent back cover
The both ends plate 5-1 are welded with silent diaphragm plate 3-3 between two pieces of beams, and silent diaphragm plate 3-3 is vertical with steel girder 1 between beam, and then two
Silent part steel case web 5-2 is provided between steel girder 1, silent part steel case web 5-2 is vertically set on silent back cover plate
On 5-1, silent steel box-girder 5 is formed；Then it lifts between two parallel steel girders 1 and being welded on steel girder 1；
5) cantilever beam 4 and open-mouth section middle cross beam 3 are welded；
6) it is mounted on inside silent steel box-girder 5, is then welded to drawing reinforcing bar after assembling reinforcement mesh sheet 8；
7) Orthotropic Steel Bridge Deck 2 is installed；
8) to casting concrete inside silent steel box-girder；
9) construction concrete bridge deck pavement layer.
10) anticollision barrier, expansion joint are set, mated formation and other affiliated facilities.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (9)
1. a kind of part opening girder steel of function division design, it is characterised in that: including steel girder (1), orthotropic steel bridge deck
Plate (2), open-mouth section middle cross beam (3), cantilever beam (4) and silent steel box-girder (5)；Wherein, the steel girder (1) is two, two
It is provided with several open-mouth section middle cross beams (3) between steel girder (1), is provided with several cantilever beams on the side wall of each steel girder (1)
(4), diaphragm plate (6) in several open-mouth section casees is provided in steel girder (1), and diaphragm plate (6) in corresponding open-mouth section case, spacious
Mouthful section middle cross beam (3) and cantilever beam (4) are arranged in the same plane, in steel girder (1), several open-mouth section casees diaphragm plate (6) with
And several open-mouth section middle cross beams (3) form open steel box-girder (9)；Silent steel box-girder (5) is located on support (10), silent steel box-girder
(5) it is collectively constituted by steel girder (1), silent back cover plate (5-1) and silent part steel case web (5-2), setting in steel girder (1)
Silent diaphragm plate (6-3) in case is provided with silent diaphragm plate (3-3) between two pieces of beams between two bar steel girders (1), closes between two pieces of beams
Mouth diaphragm plate (3-3) is connected together；Orthotropic Steel Bridge Deck (2) are provided on two bar steel girders (1).
2. a kind of part opening girder steel of function division design according to claim 1, it is characterised in that: silent steel box-girder
(5) concrete is filled in；It is provided between silent diaphragm plate (6-3) in silent diaphragm plate (3-3) and case between beam to drawing reinforcing bar.
3. a kind of part opening girder steel of function division design according to claim 1, it is characterised in that: in open-mouth section case
Diaphragm plate (6) is made of opening diaphragm plate (6-1) and the interior lining panel (6-2) being welded in opening diaphragm plate (6-1), and be open tabula
Slot is offered on plate (6-1), rounded corners are provided at four angles of slot, and interior lining panel (6-2) is welded on out
It at the upper limb of mouth diaphragm plate (6-1) upper opening, and is vertically arranged with opening diaphragm plate (6-1), the end setting of interior lining panel (6-2)
There are rounded corners.
4. a kind of part opening girder steel of function division design according to claim 1, it is characterised in that: orthotropic steel
The end of floorings (2) is concordant with the end of cantilever beam (4)；The deck-molding of two bar steel girders (1) is identical, steel girder (1) height root
It is designed according to span setting using cross-section or variable cross-section designs.
5. a kind of part opening girder steel of function division design according to claim 1, it is characterised in that: every bar steel girder
(1) it is made of the parallel steel girder web plate (1-2) of the bottom plate (1-1) with several ribbed stiffeners and twice, is provided on bottom plate (1-1)
Two pieces of steel girder web plates (1-2), two pieces of parallel steel girder web plates (1-2) are vertically arranged with bottom plate (1-1), and steel girder web plate
The two sides that (1-2) is arranged on bottom plate (1-1), two pieces of steel girder web plates (1-2) and bottom plate (1-1) form cavity；
Silent diaphragm plate (3- between steel girder web plate (1-2), silent part steel case web (5-2), beam in silent steel box-girder (5)
3) it, is provided with stud welding screw (7) on silent diaphragm plate (6-3) and silent back cover plate (5-1) in case, in silent steel box-girder (5)
Lower part is provided with reinforced mesh (8).
6. a kind of part opening girder steel of function division design according to claim 1, it is characterised in that: orthotropic steel
Floorings (2) end is provided with end-blocking plate (2-1), and end-blocking plate (2-1) is in contact with cantilever beam (4) end.
7. a kind of part opening girder steel of function division design according to claim 5, it is characterised in that: horizontal in open-mouth section
Beam (3) is made of open-mouth section middle cross beam diaphragm plate (3-1) and open-mouth section middle cross beam interior lining panel (3-2), open-mouth section middle cross beam tabula
Plate one end (3-1) is connected with main girder steel (1) side wall, and the other end is connected with other one main girder steel (1) side wall, in open-mouth section
The top surface of crossbeam diaphragm plate (3-1) is concordant with the steel girder web plate upper end (1-2), opens up on open-mouth section middle cross beam diaphragm plate (3-1)
Inverted U-shaped hole is provided with circular arc chamfering in U-shaped hole；The top of U-shaped hole is arranged in open-mouth section middle cross beam interior lining panel (3-2).
8. a kind of part opening girder steel of function division design according to claim 1, it is characterised in that: cantilever beam (4)
It is made of the cantilever liner plate (4-2) of cantilever slab (4-1) and arc, arc cantilever liner plate (4-2) is welded under cantilever slab (4-1)
Edge, cantilever slab (4-1) lower edge is excessive using conic section, and cantilever liner plate (4-2) is arc-shaped.
9. a kind of construction method of the part opening girder steel of function division design as claimed in claim 5, it is characterised in that: packet
Include following steps:
1) construction pier footing and bridge pier pier, prefabricated two parallel steel girders (1), the then welding in every bar steel girder (1)
Silent diaphragm plate (6-3) in diaphragm plate (6) and case in several open-mouth section casees；
2) it pours bent cap and bent cap and abutment support is installed；
3) the spelling two parallel steel girders (1) in pier top or ground support, and lifting or two parallel steel of integral pushing paragraph by paragraph
Girder (1)；
4) two pieces of connected silent back cover plates (5-1) are welded between two bar steel girders (1) on ground support, in silent back cover
The both ends plate (5-1) are welded with silent diaphragm plate (3-3) between two pieces of beams, and silent diaphragm plate (3-3) is vertical with steel girder (1) between beam,
Then silent part steel case web (5-2) is provided between two bar steel girders (1), silent part steel case web (5-2) vertically sets
It sets on silent back cover plate (5-1), forms silent steel box-girder (5)；Then it lifts between two parallel steel girders (1) and welding
On steel girder (1)；
5) cantilever beam (4) and open-mouth section middle cross beam (3) are welded；
6) it is internal that it is mounted on silent steel box-girder (5) after assembling reinforcement mesh sheet (8), then welds to drawing reinforcing bar；
7) Orthotropic Steel Bridge Deck (2) are installed；
8) to casting concrete inside silent steel box-girder；
9) construction concrete bridge deck pavement layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420407.8A CN108625269B (en) | 2018-05-04 | 2018-05-04 | A kind of the part opening girder steel and its construction technology of function division design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420407.8A CN108625269B (en) | 2018-05-04 | 2018-05-04 | A kind of the part opening girder steel and its construction technology of function division design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108625269A CN108625269A (en) | 2018-10-09 |
| CN108625269B true CN108625269B (en) | 2019-09-10 |
Family
ID=63695475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810420407.8A Active CN108625269B (en) | 2018-05-04 | 2018-05-04 | A kind of the part opening girder steel and its construction technology of function division design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108625269B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868715B (en) * | 2018-11-23 | 2024-04-09 | 中交公路规划设计院有限公司 | Assembled continuous steel box girder bridge |
| CN110541349A (en) * | 2019-09-06 | 2019-12-06 | 中国五冶集团有限公司 | Space curved surface special-shaped steel box girder bridge section and accurate welding processing forming method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101204966B1 (en) * | 2010-03-18 | 2012-11-26 | 브릿지테크놀러지(주) | Construction method for confine concrete member of steel plate girder with reinforced bending moment |
| CN104762871A (en) * | 2015-04-22 | 2015-07-08 | 武汉理工大学 | Prestressed concrete-steel tank beam bond beam continuous beam bridge |
| CN104988843A (en) * | 2015-06-04 | 2015-10-21 | 云南建工钢结构有限公司 | Bridge combined by steel structural box girder and concrete bridge deck panel |
| CN106758812A (en) * | 2016-12-19 | 2017-05-31 | 同济大学 | A kind of UHPC pours orthotropic steel bridge deck combining structure and preparation method thereof |
-
2018
- 2018-05-04 CN CN201810420407.8A patent/CN108625269B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108625269A (en) | 2018-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105002816B (en) | The fish belly I shape prestressing force steel reinforced concrete composite continuous bridge of precast assembly and construction method | |
| CN104294748B (en) | A kind of hybrid beam cable-stayed bridge adapter section structure and construction method thereof | |
| CN102261145A (en) | Integrally two-way and locally one-way steel-concrete slab composite floor system and construction method thereof | |
| CN213038218U (en) | Predictive continuous rigid frame bridge capable of supplementing tensioning prestress | |
| CN204919302U (en) | Few main girder structure of wave form steel web | |
| CN108625269B (en) | A kind of the part opening girder steel and its construction technology of function division design | |
| CN112458877A (en) | Assembled steel-concrete combined rigid frame bridge and construction method thereof | |
| WO2023137999A1 (en) | Main beam unit having uhpc shuttering structure, main beam structure, and construction method therefor | |
| CN109610311A (en) | Prefabrication and assembly construction L-type floorings seam construction and implementation method | |
| CN109024219A (en) | A kind of prefabricated ultra-high performance concrete-normal concrete composite beam bridge girder construction and construction method | |
| CN110820517A (en) | Assembled railway tubular beam | |
| CN106087711A (en) | Antinode work beam-steel concrete top board-external prestressing combines T-shaped simply supported beam | |
| CN219671054U (en) | Steel-concrete combined small box girder prefabricated by integral hoisting | |
| CN206328669U (en) | The narrow composite beam of steel box of new concrete | |
| CN109930469B (en) | Steel box girder thin-wall pier rigid frame cable-stayed bridge suitable for straddle type monorail | |
| CN111139745A (en) | Construction method for cast-in-place concrete top plate of combined box girder | |
| CN202144641U (en) | Integral bidirectional local unidirectional steel-concrete slab composite floor system | |
| CN102425258A (en) | Steel reinforced concrete combined hollow floor and construction method thereof | |
| CN215405528U (en) | Bridge structure suitable for asymmetric rotation | |
| CN214737289U (en) | Mounting structure for assembled elevated road and bridge | |
| CN212452237U (en) | Continuous rigid frame-steel truss combined bridge for highway-railway layering | |
| CN212335738U (en) | Double-combination continuous truss girder of combined steel web member for highway and railway construction | |
| CN113073541A (en) | Combined capping beam suitable for continuous bridge deck construction, bridge and construction process | |
| CN114182620A (en) | Partial cable-stayed bridge structure system of large cantilever core steel box and construction method | |
| CN107542212A (en) | A kind of Prefabricated porous plate being connected and attaching method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |