CN106638259A - Upper structure of prefabricated cover-beam-free type combined steel plate bridge and assembling construction method of upper structure - Google Patents
Upper structure of prefabricated cover-beam-free type combined steel plate bridge and assembling construction method of upper structure Download PDFInfo
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- CN106638259A CN106638259A CN201710083042.XA CN201710083042A CN106638259A CN 106638259 A CN106638259 A CN 106638259A CN 201710083042 A CN201710083042 A CN 201710083042A CN 106638259 A CN106638259 A CN 106638259A
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an upper structure of a prefabricated cover-beam-free type combined steel plate bridge and an assembling construction method of the upper structure. The upper structure comprises a plurality of paths of combined steel plate longitudinal beams and supporting point concrete transverse beams; the plurality of paths of combined steel plate longitudinal beams are assembled along the transverse direction of the bridge to form a bridge-spanning main beam; and one path of the supporting point concrete transverse beam is arranged at each of two ends of each bridge-spanning main beam. According to the upper structure disclosed by the invention, the quantity of components in the upper structure of the bridge can be reduced and the weight of the components is reduced; the hoisting difficulty of field construction is reduced and the construction cost of buildings is saved; and a cover beam is not arranged, so that the defects in the prior art that the clearance under the bridge is low, the traffic limit under the bridge is great and the bridge landscape is poor are improved.
Description
Technical field
The present invention relates to bridge construction technical field, more particularly to a kind of top of prefabricated uncovered beam type combined steel plate beam bridge
Structure and its assembling and construction method.
Background technology
Generally in the form of " small box girder (or T beams)+bent cap+bis- columns ", this construction exists traditional packaged type bridges
Following defect:1) the vertical clear height of bent cap about 1m~2.5m, occupies and pass through under bridge headroom, current to the traffic under bridge to cause larger
Limit, while harmful effect is also brought to urban landscape effect, and the setting of bent cap also results in the increase of construction costs;2)
The weight of small box girder and T beams is big, generally need to be installed using double-machine lifting crane at the construction field (site), and difficulty of construction is big, will to construction equipment
Ask high.
The content of the invention
In view of the drawbacks described above of prior art, the technical purpose of the present invention is to provide a kind of prefabricated uncovered beam type combination
The superstructure and its assembling and construction method of steel plate girder bridge, improves that prior art under-clearance is low, big to traffic limitation under bridge, bridge
Beam landscape is poor, and the defect such as bridge member quantity is more, weight big, site operation difficulty is big.
For achieving the above object, the invention provides a kind of superstructure of prefabricated uncovered beam type combined steel plate beam bridge, bag
Multiple tracks combined steel plate longeron and fulcrum concrete beam are included, combined steel plate longeron described in multiple tracks forms bridge master along bridge transversely split
Beam, is often respectively arranged at two ends with one fulcrum concrete beam across the bridge girder.
Further, combined steel plate longeron described in per pass includes precast concrete floorings and i-shape steel beam, the work
Shaped girder steel includes top board, base plate and web, and the web is perpendicularly fixed between the top board and the base plate, the top board
It is fixedly connected with the precast concrete floorings by weldering nail connector.Those skilled in the art are it is to be understood that i shaped steel
The thickness of top board, base plate and web can draw according to the stressing conditions of bridge after calculating in beam.
Further, epoxy resin mortar bed course, the ring are additionally provided between the top board and the precast concrete floorings
The edge of oxygen mortar bed is provided with elastic rubber strip and closes the epoxy resin mortar bed course.
Further, fulcrum concrete beam described in per pass includes some crossbeam sections, and some crossbeam sections are along bridge
Transversely split is the fulcrum concrete beam;The crossbeam sections includes centre cross member sections, middle beam sections and side
Crossbeam sections, each described crossbeam sections is equipped with the outer bracket chosen in order to split each other, and the centre cross member sections is in horizontal stroke
To in "convex" shaped, the middle beam sections is in " Z " font in direction across bridge to bridge, and the side crossbeam sections is in direction across bridge
" Γ " font;The two ends of combined steel plate longeron described in per pass are fixedly connected with crossbeam sections formation group described in a species identical
Close steel plate longeron crossbeam sections coalition, the centre cross member sections shape that the combined steel plate longeron is fixedly connected with its two ends
Into central combined steel plate longeron crossbeam sections coalition, together the central combined steel plate longeron crossbeam sections coalition is located at institute
The central authorities of bridge girder are stated, the combined steel plate longeron forms middle part and combines with the middle beam sections that its two ends is fixedly connected
Steel plate longeron crossbeam sections coalition, the symmetrical split of some middle part combined steel plate longeron crossbeam sections coalitions is in described
The both sides of centre combined steel plate longeron crossbeam sections coalition, the side that the combined steel plate longeron is fixedly connected with its two ends
Crossbeam sections forms side combined steel plate longeron crossbeam sections coalition, side combined steel plate longeron crossbeam sections knot described in twice
Zoarium difference split is in the outermost of middle part combined steel plate longeron crossbeam sections conjugant described in both sides.
Further, the two ends of the i-shape steel beam of the combined steel plate longeron are equipped with open pore steel plate, the perforate steel
Plate is provided with some holes, and some perforation reinforcing bars are anchored in the crossbeam sections through after the hole on the open pore steel plate will
The combined steel plate longeron and the crossbeam sections are fixed together.
Further, seam, the precast concrete floorings are provided between the adjacent precast concrete floorings
In " splice of [" shape, the adjacent combined steel plate longeron described " [" shape adjacent when splicing for stretching out along bridge horizontally set
The splice distributing bar for forming precast concrete floorings seam interlaced with each other, the precast concrete floorings seam is adopted
Engaged with cast-in-place concrete closing.
Further, the thickness of the precast concrete floorings is not less than 25cm, the precast concrete floorings
Combined steel plate longeron centre-to-centre spacing 15cm described in adjacent twice is less than along bridge transverse width.
Further, the prestressed strand along bridge lateral direction penetrating is provided with the fulcrum concrete beam.
The invention also discloses the assembling and construction method of the superstructure of prefabricated uncovered beam type combined steel plate beam bridge, including with
Lower step:
A. by central combined steel plate longeron crossbeam sections coalition, middle part combined steel plate longeron crossbeam sections coalition and side
Side combined steel plate longeron crossbeam sections coalition is lifted respectively, is positioned on the bridge substructure that construction is completed, the central authorities
Combined steel plate longeron crossbeam sections coalition, the middle part combined steel plate longeron crossbeam sections coalition and side combination steel
The crossbeam sections split at plate longeron coalition two ends forms complete fulcrum concrete beam, adjacent combined steel plate longeron it is prefabricated
Leave seam between concrete slab, contiguous prefabricated concrete slab " splice of [" shape in the seam each other
Staggeredly;
B. tensioning fulcrum concrete beam along bridge lateral direction penetrating prestressed strand and anchor, under fulcrum concrete beam
Permanent bearing is installed;
C. the seam between the precast concrete floorings of adjacent combined steel plate longeron is poured;
D. forward and backward two continuous slabs between concrete beam are poured.
Further, in step A, central combined steel plate longeron crossbeam sections coalition, middle part combined steel plate longeron
The concrete steps that crossbeam sections coalition and side combined steel plate longeron crossbeam sections coalition lift respectively, positions include:
A1., steel cushion block is set on the binder of bridge substructure, by central combined steel plate longeron crossbeam sections conjugant
Lift to binder middle position top, the centre cross member sections at central combined steel plate longeron two ends is positioned respectively and is fixed on two
On the steel cushion block of binder middle position, the uniform application epoxy glue on the splicing seams of centre cross member sections;
A2. twice middle part combined steel plate longeron crossbeam sections coalition is lifted respectively to central combined steel plate longeron crossbeam section
The both sides of section coalition, by the middle beam sections at middle part combined steel plate longeron two ends the bracket of centre cross member sections is positioned over
On, and the middle beam sections that temporary locking device is fixed in splicing is set in beam top, then in middle beam sections
Uniform application epoxy glue on splicing seams;
A3. remaining middle part combined steel plate longeron crossbeam sections coalition is from inside to outside symmetrically lifted successively, will newly be spliced
Middle beam sections be positioned on the bracket of previous middle beam sections, and beam top arrange temporary locking device fix
Middle beam sections in new splicing, the then uniform application epoxy glue on the splicing seams of the middle beam sections of new splicing, directly
Extremely all middle part combined steel plate longeron crossbeam sections conjugant assembly will finish;
A4. twice side combined steel plate longeron crossbeam sections conjugant is lifted respectively to two middle side part combined steel plate longerons
The outermost of crossbeam sections coalition, is respectively positioned over side crossbeam sections on the bracket of outermost middle beam sections,
And the side crossbeam sections that temporary locking device is fixed in new splicing is set in beam top, one is so far completed across interior all combinations
The assembly of steel plate longeron crossbeam sections conjugant.
In step B, tensioning fulcrum concrete beam also includes along the prestressed strand of bridge lateral direction penetrating and after anchoring
Step:Jack up girder, removes the steel cushion block on binder top, and the frame that then falls installs permanent bearing.
Beneficial effects of the present invention:
The present invention has the advantages that as a result of said structure design and construction method:
1st, by arranging stronger fulcrum concrete beam and configuring lateral prestressing tendon, structure is made to have in direction across bridge
Greater stiffness and intensity, can arrange two main stress bearings only below fulcrum concrete beam, and no longer arrange bent cap, letter
Substructure changed, under-clearance height improve, so as to reduce the restriction to traffic under bridge, while optimizing bridge scape
See.
2nd, the combined steel plate longeron crossbeam sections coalition that per pass is prefabricated in the factory is using " 2 prefabricated fulcrum concrete are horizontal
The form of+1 layer of precast concrete floorings of the road of girder segment+1 i-shape steel beam ", relative to traditional " concrete small box girder ",
" concrete T-shaped beam " form, alleviates on-site hoisting weight.
3rd, fulcrum concrete beam sections, in the bracket construction for crossing out, can be per pass combined steel plate longeron crossbeam sections
The on-site consolidation of conjugant provides interim vertical support, it is only necessary to arranges the temporary support of direction across bridge in bridge floor, reduces construction and face
When the complexity that constructs and execute-in-place difficulty.
4th, epoxy glue is filled between two neighboring fulcrum concrete beam sections splicing seams, it is ensured that fulcrum concrete beam
Sections splicing is closely knit, water-tight, improves the durability of fulcrum concrete beam.
5th, forward and backward two forms for being connected by cast in place concrete plate between girder, makes girder possess at central bearing point
Enough rigidity, it is ensured that the normal usage function of girder reaches design requirement.
The technique effect of the design, concrete structure and generation of the present invention is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is the bridge girder span centre cross-sectional configuration schematic diagram of embodiments of the invention 1.
Fig. 2 is the partial enlarged drawing at position I in Fig. 1.
Fig. 3 is the partial enlarged drawing at position II in Fig. 1.
Fig. 4 is along line A-A profile in Fig. 1.
Fig. 5 is along line C-C profile in Fig. 4.
Fig. 6 is the bridge girder top view cross section perspective view of embodiments of the invention 1.
Fig. 7 is the fulcrum concrete beam prestressed strand layout drawing of embodiments of the invention 1.
Fig. 8 is the bridge girder assembly schematic flow sheet of embodiments of the invention 2.
In figure, 1 combined steel plate longeron;11 precast concrete floorings;12 i-shape steel beams;121 top boards;122 webs;
123 base plates;13 epoxy resin mortar bed courses;131 elastic rubber strips;14 weldering nail connectors;Precast concrete is closed in 15 cast-in-place concretes
Floorings seam;2 fulcrum concrete beams;21 centre cross member sections;22 middle beam sections;23 side crossbeam sections;24 Ns
Lower limb;The splicing seams of 25 crossbeam sections;26 fulcrum concrete beam prestressed strands;3 bearings;4 forward and backward two across concrete beam it
Between continuous slab;5 cast-in-place bridge deck concretes;Binder in 6 bridge substructures;61 steel cushion blocks;7 bridge superstructures;
Specific embodiment
Embodiment 1
As shown in fig. 6, the superstructure 7 of prefabricated uncovered beam type combined steel plate beam bridge of the invention is vertical including multiple tracks combined steel plate
Beam 1 and fulcrum concrete beam 2, multiple tracks combined steel plate longeron 1 forms bridge girder along bridge transversely split, per the two ends of bridge girder
It is respectively equipped with one fulcrum concrete beam 2.As shown in figure 4, the fulcrum concrete beam 2 per bridge girder two ends is supported on bridge
On bearing 3 at the top of beam substructure pier stud.
As shown in Fig. 1,4, per pass combined steel plate longeron 1 includes precast concrete floorings 11 and i-shape steel beam 12, work
Shaped girder steel 12 includes top board 121, base plate 123 and web 122, and web 122 is perpendicularly fixed between top board 121 and base plate 123.
As shown in figure 3, top board 121 is fixedly connected by weldering nail connector 14 with precast concrete floorings 11, top board 121
Epoxy resin mortar bed course 13 is additionally provided with and precast concrete floorings 11 between, the edge of epoxy resin mortar bed course 13 is provided with gum elastic
The closing epoxy of bar 131 mortar bed 13.The diameter of weldering nail connector can select 15~22mm, and length is 100~150mm, is arranged
Spacing is 100~200mm.
As shown in figure 5, per pass fulcrum concrete beam 2 includes some crossbeam sections, some crossbeam sections are laterally spelled along bridge
It is combined into fulcrum concrete beam;Crossbeam sections includes centre cross member sections 21, middle beam sections 22 and side crossbeam sections 23,
Each crossbeam sections is equipped with the outer bracket 24 chosen in order to split each other, and in the present embodiment, the extension elongation of per pass bracket is
50cm, it is highly the high half of fulcrum concrete beam.
Centre cross member sections 21 is in "convex" shaped in direction across bridge, and middle beam sections 22 is in direction across bridge in " Z " font, side
Crossbeam sections 23 is in " Γ " font in direction across bridge.
The two ends of per pass combined steel plate longeron 1 are fixedly connected with a species identical crossbeam sections, combined steel plate longeron 1
The centre cross member sections 21 being fixedly connected with its two ends forms central combined steel plate longeron crossbeam sections coalition, one center stack
Close the central authorities that steel plate longeron crossbeam sections conjugant is located at bridge girder, the middle part that combined steel plate longeron 1 is fixedly connected with its two ends
Crossbeam sections 22 forms middle part combined steel plate longeron crossbeam sections coalition, and some middle part combined steel plate longeron crossbeam sections are combined
The symmetrical split of body is fixedly connected in the both sides of central combined steel plate longeron crossbeam sections coalition, combined steel plate longeron with its two ends
Side crossbeam sections 23 form side combined steel plate longeron crossbeam sections coalition, twice side combined steel plate longeron crossbeam section
Section coalition distinguishes split in the outermost of two middle side part combined steel plate longeron crossbeam sections coalitions.Whole crossbeam sections splits
Into complete fulcrum concrete beam 2.The prestressed strand 26 along bridge lateral direction penetrating is provided with fulcrum concrete beam 2, in advance
The layout drawing of stress steel beam is as shown in Figure 7.
The two ends of the i-shape steel beam 12 of combined steel plate longeron 1 are equipped with open pore steel plate (not shown), on open pore steel plate
Some holes are provided with, are anchored in group in crossbeam sections after (not shown) hole through on open pore steel plate of some perforation reinforcing bars
Close steel plate longitudinal and cross beam sections to be fixed together.The diameter of hole can select 50~70mm on open pore steel plate, steel of boring a hole
The diameter of muscle can select 12mm~16mm.
As shown in Fig. 2 being provided with seam 15 between adjacent precast concrete floorings 11, precast concrete floorings are on edge
" [" shape splice (not shown), adjacent combined steel plate longeron 1 " [" shape adjacent when splicing that bridge horizontally set stretches out
The splice distributing bar for forming precast concrete floorings seam 15 interlaced with each other, whole combined steel plate longeron assembly are completed
Afterwards, precast concrete floorings seam is engaged using cast-in-place concrete.
The thickness of precast concrete floorings be not less than 25cm, precast concrete floorings along bridge transverse width be less than phase
Adjacent twice combined steel plate longeron centre-to-centre spacing 15cm.
Embodiment 2
The assembling and construction method of the product of embodiment 1
Comprise the following steps:
A. by central combined steel plate longeron crossbeam sections coalition, middle part combined steel plate longeron crossbeam sections coalition and side
Side combined steel plate longeron crossbeam sections coalition is lifted respectively, is positioned on the bridge substructure that construction is completed, concrete lifting
Tab order is as shown in Figure 8:First, steel cushion block 61 is set on the binder 6 of bridge substructure, by central combined steel plate longeron
Crossbeam sections conjugant is lifted to binder middle position top, and the centre cross member sections at central combined steel plate longeron two ends is distinguished
Positioning is fixed on the steel cushion block of two binder middle positions, the uniform application epoxy glue on the splicing seams of centre cross member sections;
Then, twice middle part combined steel plate longeron crossbeam sections conjugant is lifted respectively to engage to central combined steel plate longeron crossbeam sections
The both sides of body, the middle beam sections at middle part combined steel plate longeron two ends is positioned on the bracket of centre cross member sections, and
Beam top arranges the middle beam sections that temporary locking device is fixed in splicing, then on the splicing seams of middle beam sections
Uniform application epoxy glue;Then, remaining middle part combined steel plate longeron crossbeam sections conjugant is from inside to outside symmetrically lifted successively,
The middle beam sections of new splicing is positioned on the bracket of previous middle beam sections, and temporary locking is set in beam top
Device fixes the middle beam sections for newly splicing, then the uniform application ring on the splicing seams of the middle beam sections of new splicing
Oxygen glue, until all middle part combined steel plate longeron crossbeam sections coalition assembly are finished;Finally, by twice side combined steel plate
Longeron crossbeam sections conjugant is lifted respectively to the outermost of two middle side part combined steel plate longeron crossbeam sections coalitions, respectively will
Side crossbeam sections is positioned on the bracket of outermost middle beam sections, and it is solid to arrange temporary locking device in beam top
Side crossbeam sections in fixed new splicing, so far complete one across interior all combined steel plate longeron crossbeam sections conjugants assembly.
So far the crossbeam sections at central combined steel plate longeron, middle part combined steel plate longeron and side combined steel plate longeron two ends
Split forms complete fulcrum concrete beam 2, and between the precast concrete floorings of adjacent combined steel plate longeron seam is left,
Contiguous prefabricated concrete slab " splice of [" shape is interlaced with each other in seam;
B. tensioning fulcrum concrete beam along bridge lateral direction penetrating prestressed strand 26 and anchor, jack up girder, remove system
The steel cushion block 61 of back, installs permanent bearing 3 under fulcrum concrete beam;
C. the seam 15 between the precast concrete floorings of adjacent combined steel plate longeron is poured;
D. forward and backward two continuous slabs 4 between concrete beam are poured.
So far the assembling construction of prefabricated uncovered beam type combined steel plate beam bridge superstructure of the invention, follow-up construction are completed
Program is conventional Roadway Construction, pours bridge deck concrete 5, be will not be described here.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of superstructure of prefabricated uncovered beam type combined steel plate beam bridge, it is characterised in that including multiple tracks combined steel plate longeron
With fulcrum concrete beam, combined steel plate longeron described in multiple tracks forms bridge girder along bridge transversely split, often across the bridge girder
It is respectively arranged at two ends with one fulcrum concrete beam.
2. the superstructure of prefabricated uncovered beam type combined steel plate beam bridge according to claim 1, it is characterised in that per pass institute
Combined steel plate longeron is stated including precast concrete floorings and i-shape steel beam, the i-shape steel beam include top board, base plate and
Web, the web is perpendicularly fixed between the top board and the base plate, and the top board is pre- with described by weldering nail connector
Concrete slab processed is fixedly connected.
3. the superstructure of prefabricated uncovered beam type combined steel plate beam bridge according to claim 2, it is characterised in that the top
Epoxy resin mortar bed course is additionally provided between plate and the precast concrete floorings, the edge of the epoxy resin mortar bed course is provided with elasticity
Rubber strip closes the epoxy resin mortar bed course.
4. the superstructure of prefabricated uncovered beam type combined steel plate beam bridge according to claim 2, it is characterised in that per pass institute
Fulcrum concrete beam is stated including some crossbeam sections, some crossbeam sections are the fulcrum concrete along bridge transversely split
Crossbeam;The crossbeam sections includes centre cross member sections, middle beam sections and side crossbeam sections, each described crossbeam sections
The outer bracket chosen is equipped with order to split each other, the centre cross member sections is in "convex" shaped in direction across bridge, and the middle part is horizontal
Girder segment is in " Z " font in direction across bridge, and the side crossbeam sections is in " Γ " font in direction across bridge;Combined steel plate described in per pass is indulged
The two ends of beam are fixedly connected with crossbeam sections described in a species identical and form combined steel plate longeron crossbeam sections coalition, institute
State the centre cross member sections that combined steel plate longeron is fixedly connected with its two ends and form central combined steel plate longeron crossbeam sections
Coalition, together the central combined steel plate longeron crossbeam sections coalition is positioned at the central authorities of the bridge girder, the combination steel
The middle beam sections that plate longeron is fixedly connected with its two ends forms middle part combined steel plate longeron crossbeam sections coalition, if
Do the symmetrical split of the middle part combined steel plate longeron crossbeam sections coalition to tie in the central combined steel plate longeron crossbeam sections
Fit both sides, the side crossbeam sections that the combined steel plate longeron is fixedly connected with its two ends forms side combined steel plate
Longeron crossbeam sections coalition, side combined steel plate longeron crossbeam sections coalition described in twice distinguishes split in described in both sides
The outermost of portion's combined steel plate longeron crossbeam sections conjugant.
5. the superstructure of prefabricated uncovered beam type combined steel plate beam bridge according to claim 4, it is characterised in that described group
The two ends for closing the i-shape steel beam of steel plate longeron are equipped with open pore steel plate, and the open pore steel plate is provided with some holes, some to wear
It is interior by the combined steel plate longeron and described that hole reinforcing bar is anchored in the crossbeam sections through after the hole on the open pore steel plate
Crossbeam sections is fixed together.
6. according to the superstructure of the arbitrary described prefabricated uncovered beam type combined steel plate beam bridge of claim 2-5, it is characterised in that
Seam is provided between the adjacent precast concrete floorings, the precast concrete floorings are stretching out along bridge horizontally set
" splice of [" shape, the adjacent combined steel plate longeron " [" shape splice shape interlaced with each other adjacent when splicing
Into the distributing bar of precast concrete floorings seam, the precast concrete floorings seam is connect using cast-in-place concrete closing
Close.
7. according to the superstructure of the arbitrary described prefabricated uncovered beam type combined steel plate beam bridge of claim 2-5, it is characterised in that
The thickness of the precast concrete floorings be not less than 25cm, the precast concrete floorings along bridge transverse width be less than phase
Combined steel plate longeron centre-to-centre spacing 15cm described in adjacent twice.
8. according to the superstructure of the arbitrary described prefabricated uncovered beam type combined steel plate beam bridge of claim 1-5, it is characterised in that
The prestressed strand along bridge lateral direction penetrating is provided with the fulcrum concrete beam.
9. a kind of assembling and construction method of the superstructure of prefabricated uncovered beam type combined steel plate beam bridge, it is characterised in that include with
Lower step:
A. by central combined steel plate longeron crossbeam sections coalition, middle part combined steel plate longeron crossbeam sections coalition and side group
Close steel plate longeron crossbeam sections coalition to lift respectively, be positioned on the bridge substructure that construction is completed, central authorities' combination
Steel plate longeron crossbeam sections coalition, the middle part combined steel plate longeron crossbeam sections coalition and the side combined steel plate are indulged
The crossbeam sections split at beam coalition two ends forms complete fulcrum concrete beam, the concrete of adjacent combined steel plate longeron
Leave seam between native floorings, contiguous prefabricated concrete slab " splice of [" shape is interlaced with each other in the seam;
B. tensioning fulcrum concrete beam along bridge lateral direction penetrating prestressed strand and anchor, under fulcrum concrete beam install
Permanent bearing;
C. the seam between the precast concrete floorings of adjacent combined steel plate longeron is poured;
D. forward and backward two continuous slabs between concrete beam are poured.
10. the assembling and construction method of the superstructure of prefabricated uncovered beam type combined steel plate beam bridge according to claim 9, its
It is characterised by, in step A, central combined steel plate longeron crossbeam sections coalition, middle part combined steel plate longeron crossbeam sections
The concrete steps that coalition and side combined steel plate longeron crossbeam sections coalition lift respectively, positions include:
A1., steel cushion block is set on the binder of bridge substructure, by the lifting of central combined steel plate longeron crossbeam sections conjugant
To binder middle position top, the centre cross member sections at central combined steel plate longeron two ends is positioned respectively and is fixed on two binders
On the steel cushion block of middle position, the uniform application epoxy glue on the splicing seams of centre cross member sections;
A2. lift twice middle part combined steel plate longeron crossbeam sections coalition respectively to tie to central combined steel plate longeron crossbeam sections
Fit both sides, the middle beam sections at middle part combined steel plate longeron two ends is positioned on the bracket of centre cross member sections, and
The middle beam sections that temporary locking device is fixed in splicing is set in beam top, then in the splicing seams of middle beam sections
Upper uniform application epoxy glue;
A3. remaining middle part combined steel plate longeron crossbeam sections coalition is from inside to outside symmetrically lifted successively, by new splicing
Portion's crossbeam sections is positioned on the bracket of previous middle beam sections, and arranges the new spelling of temporary locking device fixation in beam top
The middle beam sections for connecting, the then uniform application epoxy glue on the splicing seams of the middle beam sections of new splicing, until will
All middle part combined steel plate longeron crossbeam sections conjugant assembly are finished;
A4. twice side combined steel plate longeron crossbeam sections conjugant is lifted respectively to two middle side part combined steel plate longeron crossbeams
The outermost of sections coalition, is respectively positioned over side crossbeam sections on the bracket of outermost middle beam sections, and
Beam top arranges the side crossbeam sections that temporary locking device is fixed in new splicing, so far completes one across interior all combined steel plates
The assembly of longeron crossbeam sections conjugant.
In step B, tensioning fulcrum concrete beam along bridge lateral direction penetrating prestressed strand and anchor after, also including step
Suddenly:Jack up girder, removes the steel cushion block on binder top, and the frame that then falls installs permanent bearing.
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CN110685211A (en) * | 2019-11-13 | 2020-01-14 | 中国人民解放军陆军工程大学 | Full composite bridge and erection method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102926504A (en) * | 2012-10-09 | 2013-02-13 | 中铁十局集团有限公司 | Connecting steel construction member for steel and concrete overlapped beam combined part and construction method thereof |
CN203768784U (en) * | 2013-12-31 | 2014-08-13 | 湖南大学 | Super toughness concrete plate-steel beam light combined bridge structure |
CN105256713A (en) * | 2015-11-03 | 2016-01-20 | 苏交科集团股份有限公司 | Semi-assembly type steel concrete composite beam and construction method thereof |
KR101605400B1 (en) * | 2015-07-27 | 2016-03-23 | 주식회사 하이드로코리아 | Steelgirder reinforced with compression parts oh the girder and manufacturing method therefor |
CN105672111A (en) * | 2016-01-13 | 2016-06-15 | 上海市政工程设计研究总院(集团)有限公司 | Steel-concrete combination structure crossbeam |
CN106149540A (en) * | 2016-07-19 | 2016-11-23 | 长安大学 | Assembling steel plate composite beam bridge and construction method thereof based on steel reinforced concrete combined bridge deck |
CN206467549U (en) * | 2017-02-16 | 2017-09-05 | 上海市城市建设设计研究总院(集团)有限公司 | The superstructure of prefabricated uncovered beam type combined steel plate beam bridge |
-
2017
- 2017-02-16 CN CN201710083042.XA patent/CN106638259B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102926504A (en) * | 2012-10-09 | 2013-02-13 | 中铁十局集团有限公司 | Connecting steel construction member for steel and concrete overlapped beam combined part and construction method thereof |
CN203768784U (en) * | 2013-12-31 | 2014-08-13 | 湖南大学 | Super toughness concrete plate-steel beam light combined bridge structure |
KR101605400B1 (en) * | 2015-07-27 | 2016-03-23 | 주식회사 하이드로코리아 | Steelgirder reinforced with compression parts oh the girder and manufacturing method therefor |
CN105256713A (en) * | 2015-11-03 | 2016-01-20 | 苏交科集团股份有限公司 | Semi-assembly type steel concrete composite beam and construction method thereof |
CN105672111A (en) * | 2016-01-13 | 2016-06-15 | 上海市政工程设计研究总院(集团)有限公司 | Steel-concrete combination structure crossbeam |
CN106149540A (en) * | 2016-07-19 | 2016-11-23 | 长安大学 | Assembling steel plate composite beam bridge and construction method thereof based on steel reinforced concrete combined bridge deck |
CN206467549U (en) * | 2017-02-16 | 2017-09-05 | 上海市城市建设设计研究总院(集团)有限公司 | The superstructure of prefabricated uncovered beam type combined steel plate beam bridge |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106968161A (en) * | 2017-05-18 | 2017-07-21 | 南京同力建设集团股份有限公司 | A kind of oblique pull foot bridge beam slab and building method |
CN107815968A (en) * | 2017-10-30 | 2018-03-20 | 中铁二十四局集团安徽工程有限公司 | Cross bearer combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
CN108330806A (en) * | 2018-03-28 | 2018-07-27 | 华侨大学 | The steel-that compoiste adhering anchors shear connections knot mixes combined beam structure and production method |
CN108677683A (en) * | 2018-04-28 | 2018-10-19 | 华侨大学 | Improve the combined bridge and production method of shear connector fatigue life |
CN109338877A (en) * | 2018-12-10 | 2019-02-15 | 重庆交通大学 | A kind of fast changeable precast bridge expansion gap device and its mounting structure |
CN110144805A (en) * | 2019-06-27 | 2019-08-20 | 秦英彬 | A kind of highway bridge with anti-cross force |
CN110144805B (en) * | 2019-06-27 | 2020-08-18 | 秦英彬 | Highway bridge with anti transverse force |
CN110685211A (en) * | 2019-11-13 | 2020-01-14 | 中国人民解放军陆军工程大学 | Full composite bridge and erection method |
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