CN110373990A - The double-deck whole hole of Combined steel truss beam manufactures and erection construction method - Google Patents
The double-deck whole hole of Combined steel truss beam manufactures and erection construction method Download PDFInfo
- Publication number
- CN110373990A CN110373990A CN201910662789.XA CN201910662789A CN110373990A CN 110373990 A CN110373990 A CN 110373990A CN 201910662789 A CN201910662789 A CN 201910662789A CN 110373990 A CN110373990 A CN 110373990A
- Authority
- CN
- China
- Prior art keywords
- steel truss
- girder
- truss girder
- steel
- railway
- 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.)
- Pending
Links
Classifications
-
- 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
- E01D6/00—Truss-type 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to the whole hole manufacture of the double-deck Combined steel truss beam and erection construction methods, i.e., the various rod pieces (upper and lower chord member, web member) in the piece of purlin are welded into monolithic truss；On total spelling moulding bed of factory by monolithic truss, highway in length and breadth beam and portal frame, railway crossbeam, secondary purlin, secondary girder stay bar with etc. components be welded into steel truss girder segment in workshop；Monolithic truss welding is connected by whole hole freely-supported steel truss girder by secondary purlin on total spelling moulding bed of factory；Paint vehicle coating is carried out to steel truss girder；In railway crossbeam top surface soldering stainless steel clad steel plate, several WELDING STUDSs are welded at interval on stainless compound steel plate, the present invention, which has, is greatly shortened steel truss girder field installation time, site operation risk is effectively reduced, reduces high bolt and splice plate quantity and keyhole spuds in construction, alleviate dead load, save material, the advantages of reducing later maintenance workload, having evaded the live high uppity factor of bolt construction quality, improved structure safety reliability.
Description
Technical field
The present invention relates to science of bridge building building fields, more particularly to the whole hole manufacture of the double-deck Combined steel truss beam and erection construction side
Method.
Background technique
Pingtan straits non-major P.E.subject is China's First gorge non-major P.E.subject over strait.Strait Bridge is different from the past
The bay bridge of construction, the faced wind of construction is big, wave is high, gushes the mal-conditions such as sharp, violent typhoon, complicated geological, especially Pingtan
Straits are one of three tempest sea areas famous in the world, bring huge challenge and superelevation risk to Bridge Construction.This bridge is
The country is in the trial for the first time in bridge over strait beam field, the either severe degree of environment, or the technological challenge that is faced and applies
Work risk is all far super domestic built or in other gulf bridges over strait built.Domestic first time is in deep water drift net surge complex sea area
Bridge construction platform is established using large jacket auxiliary, Channel Bridge main pier foundation cofferdam is subjected to more than 2000 tons of wave current power, is
The maximum structure of wave current power is born in country foundation construction cofferdam at present.Pingtan straits non-major P.E.subject is made using main body anticollision box
It for the steel cofferdam during bearing platform construction, faces combination forever, is used for the first time in the foundation construction of complex sea area large-sized deep water.Pingtan sea
Gorge non-major P.E.subject is to build strait Bridge in the case where complicated stormy waves gushes environment for the first time in the world, and marine bridge will be met after building up
Bridge safe operation under ten grades of face strong wind (land fresh gale operation) environment.
Traditional steel truss girder bridge or single layer steel truss girder bridge, steel truss girder mostly use bolted and welded structure, and steel truss girder is adopted when constructing
With elder generation by single rod piece or two internode purlin piece welding fabrications in factory, then in building-site by the rod piece of welding forming or purlin
The components such as piece, which dissipate using small-sized crane, spells installation, is connected between each component of steel truss girder by high-strength bolt.Traditional steel truss
Beam manufacture and erection method, batch production, assembling degree are low, and speed of application is slow, and lifting often increases site operation safety wind
Danger, high bolt connecting portion late maintaining heavy workload.
It is the one kind for developing formation on the basis of traditional steel truss girder and single layer steel truss girder that bilayer, which combines full welding steel trusses,
Novel truss structure form in order to adapt to the structure construction requirement, and is improved traditional steel truss girder manufacture and installation method, is visited simultaneously
The best combination construction method for studying carefully double-deck steel reinforced concrete conjugative bridge face has invented the double-deck combination and has welded the whole hole manufacture of freely-supported steel truss girder and frame entirely
Equipment, method.
Summary of the invention
The technical problem to be solved in the present invention is that for the defects in the prior art, providing the double-deck Combined steel truss beam
Whole hole manufacture and erection construction method.
In order to solve the above-mentioned technical problems, the present invention provides the whole hole manufacture of the double-deck Combined steel truss beam and erection construction sides
Method, it may be assumed that
1) the various rod pieces (upper and lower chord member, web member) in the piece of purlin are welded into monolithic truss；
2) by monolithic truss, highway beam and portal frame, railway crossbeam, secondary purlin, secondary purlin in length and breadth on total spelling moulding bed of factory
Strut is welded into steel truss girder segment in workshop with equal components；
3) paint vehicle coating is carried out to steel truss girder；
4) several shearings of interval welding on railway crossbeam top surface soldering stainless steel clad steel plate, stainless compound steel plate
Nail.
As to further explanation of the invention, it is preferable that steel truss girder be erected at it is adjacent step up end wait build bridge, steel truss weldering
Total length is connect to be determined wait build bridge across spacing according to adjacent.
As to further explanation of the invention, it is preferable that three monolithic truss are one group, by three monolithics
Truss installa-tion is on moulding bed, using the scheme of the whole hole continuous coupling assembly of prosposition, by multiple groups monolithic truss welding at steel truss girder.
As to further explanation of the invention, it is preferable that priming paint, intermediate coat and the finishing coat of steel truss girder are complete in factory
At each rod piece or purlin piece for forming steel truss girder complete coating in workshop respectively after welding fabrication, and Welding steel truss is completed
Afterwards, local coating is carried out to each Member Welding circumferential weld.
The present invention also provides a kind of double-deck Combined steel truss beam erection construction methods, it may be assumed that
1) steel truss roof beam structure is placed on transport barge, subsequent transport barge is by steel truss girder whole Transporting to wait build bridge across side
Carry out fixation of casting anchor；
2) crane barge ship is opened to transport barge side, and crane barge boom stretches out and moves down suspender, suspender and steel truss top surface of the beam button
Connect completion hook；
3) crane barge boom lifts by crane steel truss girder, and transport barge withdraws, and steel truss girder is exercised before crane barge ship and is located at wait build bridge across on just
Side；
4) beam cushion block is fallen wait setting on the steel truss girder position of the fulcrum stepped up of building bridge, crane barge boom, which moves down, puts steel truss girder
It sets on falling beam cushion block；
5) first implement construction of the highway, carry out construction of railways afterwards.
As to further explanation of the invention, it is preferable that transport barge transports steel truss girder to wait build bridge across simultaneously parallel
Positioning of casting anchor is carried out after bridge axle line.
As to further explanation of the invention, it is preferable that transfer in steel truss girder to when falling beam cushion block, pass through three-dimensional
Adjust boom device, make steel truss girder position with wait build bridge across steel truss girder position of the fulcrum it is identical.
As to further explanation of the invention, it is preferable that the construction of the highway uses frame plate machine by highway concrete
Floorings are lifted into steel truss girder top end face, and with the wet seam of plate between concreting highway concrete floorings, complete
Highway bridge combines.
As to further explanation of the invention, it is preferable that the construction of railways utilizes rack slot machine by railway trough girder
It is mounted on railway crossbeam, then casting concrete in the wet seam between railway trough girder and railway crossbeam.
As to further explanation of the invention, it is preferable that the concrete in wet seam pours in two times, first pours build a railway
The elongated prestressing tendon of bridge floor by the wet seam of section, elongated prestressing tendon described in intensity post-stretching to be achieved is finally poured and is cut
Power follows closely the wet seam of section, and the combination for completing railway crossbeam and railway trough girder is constructed.
Implement of the invention, has the advantages that
1, steel truss girder uses the full welding manufacture in the whole hole of full batch production, and each component is formed in factory using welded connecting whole
Body, batch production degree is high, without live concatenation construction, and avoids effectively being saved material using high-strength bolt and splice plate, being kept away
Exempt from a large amount of factory's keyhole drilling constructions, reduces later period operation maintenance workload；
2, weldering WELDING STUDS is planted by railway crossbeam top surface stainless compound steel plate cladding, railway deck steel-can be effectively improved
Mixed faying face endurance quality；
3, it dissipates and spells, compared with the scattered spelling of purlin piece or trifle section erection construction with the single rod piece of traditional steel truss girder, utilize large-scale floating crane
It accurately adjusts boom device to carry out steel truss girder full span erection in conjunction with beam cushion block and three-dimensional is fallen, can substantially shorten steel truss girder in-site installation
Time realizes the Fast Installation construction of large steel girder；
4, railway deck combination is carried out after first carrying out highway bridge combination, highway concrete floorings can same steel truss after combining
Girder undertakes dead loads and the live loadings such as later period slot beam, deck paving together, can give full play to highway concrete floorings by
Press performance；
5, when railway beam channel combines, laterally wet seam is divided into WELDING STUDS area and elongated prestressing tendon and passes through the area area Liang Ge
Section, casting concrete, avoids flute profile girder pre-stressed and generates additional force to girder steel in two times.
Detailed description of the invention
Fig. 1 is steel truss girder overall structure diagram of the invention；
Fig. 2 is railway crossbeam of the invention, clad steel plate and WELDING STUDS arrangement schematic diagram；
Fig. 3 is the whole hole lifting ship erect-position of steel truss girder of the invention and hook schematic diagram；
Fig. 4 is the whole hole lifting schematic diagram of steel truss girder of the invention；
Fig. 5 is that steel truss girder full span erection of the invention falls beam schematic diagram；
Fig. 6 is highway concrete floorings scheme of installation of the invention；
Fig. 7 is that highway concrete floorings of the invention combine construction schematic diagram；
Fig. 8 is that railway slot beam of the invention combines construction schematic diagram.
Description of symbols:
1, steel truss girder；11, main couple；12, railway crossbeam；13, highway crossbeam and portal frame；14, highway stringer；15, secondary
Purlin；16, stainless compound steel plate；17, WELDING STUDS；2, crane barge ship；21, crane barge boom；22, suspender；3, transport barge；4, to
Build bridge across；41, beam cushion block is fallen；5, frame plate machine；6, highway concrete floorings；61, the wet seam of plate；7, railway groove profile
Beam；71, pass through the wet seam of section；72, the wet seam of WELDING STUDS section.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The double-deck whole hole of Combined steel truss beam manufactures and erection construction method, and in conjunction with Fig. 1, Fig. 2,1 manufacturing method of steel truss girder is as follows:
1) the various rod pieces (upper and lower chord member, web member) in the piece of purlin are welded into monolithic truss；
2) steel truss girder is 8 internodes, and monolithic truss is divided into 3 units when assembled and carries out continuous coupling production, it may be assumed that purlin piece
The integral assembling on moulding bed, using being fixed temporarily between 3 purlin blade units.(what continuous coupling assembly referred to is exactly whole spell
Disintegrate lower tire again after dress, can control whole line style in this way, guarantees a good position).
Section assembling: first positioning two sides purlin piece, unlocked after positioning it is above-mentioned be fixed temporarily, carry out purlin blade unit between
Welding, then soldering iron road crossbeam, highway crossbeam, highway stringer are organized, the highway crossbeam group of portal frame and end, which is welded together, is pacified
Dress；Finally group welds secondary girder stay bar and secondary purlin.
3) paint vehicle coating is carried out to steel truss girder 1, reduces the probability of 1 oxidation and rusting of steel truss, that improves steel truss 1 uses the longevity
Life；Wherein, the priming paint of steel truss girder 1, intermediate coat and finishing coat are completed in factory, and each rod piece or purlin piece for forming steel truss girder 1 exist
It completes coating after welding fabrication in workshop respectively, after the completion of steel truss 1 welds, local repair is carried out to each Member Welding circumferential weld
It applies, realizes comprehensive coating to steel truss 1, effectively avoid the occurrence of the problem of disposable coating occurred by dead angle is without paint vehicle.
4) interval welding is several on 12 top surface soldering stainless steel clad steel plate 16 of railway crossbeam, stainless compound steel plate 16
A WELDING STUDS 17 is planted weldering WELDING STUDS 17 by 16 superstratum of stainless compound steel plate in 12 top surface of railway crossbeam, can effectively be changed
Kind railway deck steel-mixes faying face endurance quality.
Steel truss is first completed in factory floor using whole hole steel truss girder as a manufacturing cell, factory in conjunction with Fig. 1, Fig. 2
The welding fabrication of girder rod piece or purlin piece, then always spelled in factory and each rod piece or purlin piece group are welded into whole steel truss girder knot on moulding bed
Structure makes each component form whole, batch production degree using welded connecting in factory using the full welding manufacture in the whole hole of full batch production
Height without live concatenation construction, and avoids effectively saving material using high-strength bolt and splice plate, avoids a large amount of factory's bolts
Hole drilling construction, reduces later period operation maintenance workload.
The present invention also provides a kind of double-deck Combined steel truss beam erection construction method, in conjunction with Fig. 3 to Fig. 5,
1) 1 frame of steel truss girder is placed on transport barge 3, subsequent transport barge 3 is by 1 whole Transporting of steel truss girder to wait build bridge
Positioning of casting anchor is carried out across 4 sides and after being parallel to bridge axle line.
2) crane barge ship 2 is opened to 3 side of transport barge, and crane barge boom 21 stretches out and moves down suspender 22, suspender 22 and steel truss
1 top surface snapping of beam completes hook.
3) crane barge boom 21 lifts by crane steel truss girder 1, and transport barge 3 is withdrawn after hanging deck certain altitude, and crane barge 1 gradually rises
Rise, Forward is located at steel truss girder 1 wait the surface across 4 of building bridge, subsequent steel truss girder 1 moves down and by three-dimensional tune boom device, i.e., to
The effect of three direction applied forces, make 1 position of steel truss girder with wait build bridge across 4 steel truss girder position of the fulcrum it is identical.
4) beam cushion block 41 is fallen across setting on the steel truss girder position of the fulcrum on 4 wait build bridge, falling beam cushion block 41 is rubber
Rubber mat, crane barge boom 21 are moved down for steel truss girder 1 to be placed on and be fallen in beam cushion block 41, will finally fall beam cushion block 41 withdraw to
It builds bridge across on 4, the setting of girder steel fulcrum bottom falls beam cushion block 41, impact failure when preventing let-down beam under steel truss girder 1.
In conjunction with Fig. 4, Fig. 5, dissipates and spell, compared with the scattered spelling of purlin piece or trifle section erection construction with the single rod piece of traditional steel truss girder 1, benefit
Falling beam cushion block 41 and three-dimensional with large-scale floating crane combination accurately adjusts boom device to carry out 1 full span erection of steel truss girder, can substantially shorten
1 field installation time of steel truss girder realizes the Fast Installation construction of large steel girder 1.
5) first implement construction of the highway, carry out construction of railways afterwards；Wherein, in conjunction with Fig. 6, Fig. 7, the construction of the highway uses frame
Highway concrete floorings 6 are lifted into 1 top end face of steel truss girder by trigger 5, and with concreting highway concrete floorings 6
Between the wet seam 61 of plate, complete highway bridge combine.
The construction of railways i.e. by being not provided with lifting station, by the direct shipping of railway trough girder 7 to wait build bridge across 4 just under
Side, 7 axis of railway trough girder is vertical with bridge axle line, is vertically mentioned railway trough girder 7 using self-propelled band rotation overhead traveling crane rack slot machine
Rise across two railway crossbeam 12 of internode, then 90 degree of crown block rotary to make railway trough girder 7 parallel with bridge axle line, and complete iron
Road trough girder 7 is in place, then casting concrete in the wet seam between railway trough girder 7 and railway crossbeam 12.
As shown in figure 8, the combination of railway trough girder 7 and railway crossbeam 12 is influenced by prestressed stretch-draw, connect laterally wet
Seam is divided into through the wet seam 71 in area and WELDING STUDS area 72 two sections of wet seam, and casting concrete, passes through the wet seam in area in two times
71 after railway trough girder 7 lift it is in place after i.e. casting concrete, friction need to be set when pouring between concrete and railway crossbeam 12
The small separation layer of coefficient, reduces connection between the two to the greatest extent；Elongated prestressing tendon described in intensity post-stretching to be achieved, finally pours
The wet seam 72 of WELDING STUDS section, the combination for completing railway crossbeam 12 and railway trough girder 7 are constructed；Using two-step pouring, slot is avoided
Ellbeam prestressing force generates additional force to girder steel.
In conclusion the present invention breaches the single rod piece of traditional steel truss girder 1 or purlin piece dissipates and spells construction method, it is greatly shortened
1 field installation time of steel truss girder, effectively reduces site operation risk, reduces high bolt and splice plate quantity and keyhole spuds in and applies
Work alleviates dead load, saves material, reduces later maintenance workload, has evaded live high bolt construction quality and has been not easy
The factor of control improves structure safety reliability；Laterally wet seam pours railway slot beam 12 in two times, reduces railway slot beam knot
Conjunction influences each other with prestressed stretch-draw, guarantees that bonding strength is stablized.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. the whole hole manufacturing method of the double-deck Combined steel truss beam, which is characterized in that
1) the various rod pieces (upper and lower chord member, web member) in the piece of purlin are welded into monolithic truss；
2) by monolithic truss, highway beam and portal frame (13), railway crossbeam (12), secondary purlin in length and breadth on total spelling moulding bed of factory
(15), secondary girder stay bar with etc. components be welded into steel truss girder (1) segment in workshop；
3) paint vehicle coating is carried out to steel truss girder (1)；
4) in railway crossbeam (12) top surface soldering stainless steel clad steel plate (16), stainless compound steel plate (16) if on be spaced welding
Dry WELDING STUDS (17).
2. the whole hole manufacturing method of bilayer Combined steel truss beam according to claim 1, which is characterized in that steel truss girder (1) is set up
Adjacent wait build bridge across (4) upper end, steel truss (1) welding total length is determined wait build bridge across (4) spacing according to adjacent.
3. the whole hole manufacturing method of bilayer Combined steel truss beam according to claim 1, which is characterized in that three monolithic purlins
Frame is one group, by three monolithic truss installa-tions on moulding bed, using the scheme of the whole hole continuous coupling assembly of prosposition, by multiple groups
Monolithic truss welding is at steel truss girder (1).
4. the whole hole manufacturing method of bilayer Combined steel truss beam according to claim 1, which is characterized in that the bottom of steel truss girder (1)
Paint, intermediate coat and finishing coat are completed in factory, and each rod piece or purlin piece of composition steel truss girder (1) are after welding fabrication respectively in vehicle
Interior completion coating after the completion of steel truss (1) welding, carries out local coating to each Member Welding circumferential weld.
5. the double-deck Combined steel truss beam erection construction method, which is characterized in that
1) steel truss girder (1) frame is placed on transport barge (3), subsequent transport barge (3) is by steel truss girder (1) whole Transporting to frame
Spanning (4) side carries out fixation of casting anchor；
2) crane barge ship (2) is opened to transport barge (3) side, and crane barge boom (21) stretches out and moves down suspender (22), suspender (22)
It completes to link up with steel truss girder (1) top surface snapping；
3) crane barge boom (21) lifting steel truss girder (1), transport barge (3) are withdrawn, and steel truss girder (1) is exercised before crane barge ship (21) and is located at
Wait build bridge across right above (4)；
4) wait build bridge across on the steel truss girder position of the fulcrum on (4) setting fall beam cushion block (41), crane barge boom (21) move down by
Steel truss girder (1), which is placed on, to be fallen on beam cushion block (41)；
5) first implement construction of the highway, carry out construction of railways afterwards.
6. bilayer Combined steel truss beam erection construction method according to claim 5, which is characterized in that transport barge (3) will
Steel truss girder (1) transport is to wait build bridge across (4) and carry out positioning of casting anchor after being parallel to bridge axle line.
7. bilayer Combined steel truss beam erection construction method according to claim 5, which is characterized in that under steel truss girder (1)
It puts to when falling beam cushion block (41), by three-dimensional tune boom device, makes steel truss girder (1) position and wait the steel truss girder across (4) of building bridge
Position of the fulcrum is identical.
8. bilayer Combined steel truss beam erection construction method according to claim 5, which is characterized in that the construction of the highway is
Highway concrete floorings (6) are lifted by steel truss girder (1) top end face using frame plate machine (5), and mixed with concreting highway
The wet seam of plate (61) between solidifying soil floorings (6) is completed highway bridge and is combined.
9. bilayer Combined steel truss beam erection construction method according to claim 5, which is characterized in that the construction of railways is
Railway trough girder (7) is mounted on railway crossbeam (12) using rack slot machine, then in railway trough girder (7) and railway crossbeam
(12) casting concrete in the wet seam between.
10. bilayer Combined steel truss beam erection construction method according to claim 9, which is characterized in that mixed in wet seam
Solidifying soil pours in two times, first pour the elongated prestressing tendon of railway deck by the wet seam of section (71), intensity post-tensioning to be achieved
The elongated prestressing tendon is drawn, the wet seam of WELDING STUDS section (72) is finally poured, completes railway crossbeam (2) and railway trough girder
(7) combination construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662789.XA CN110373990A (en) | 2019-07-22 | 2019-07-22 | The double-deck whole hole of Combined steel truss beam manufactures and erection construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662789.XA CN110373990A (en) | 2019-07-22 | 2019-07-22 | The double-deck whole hole of Combined steel truss beam manufactures and erection construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110373990A true CN110373990A (en) | 2019-10-25 |
Family
ID=68254881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910662789.XA Pending CN110373990A (en) | 2019-07-22 | 2019-07-22 | The double-deck whole hole of Combined steel truss beam manufactures and erection construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110373990A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627007A (en) * | 2020-12-11 | 2021-04-09 | 中铁大桥局集团有限公司 | Construction method of steel-concrete composite beam with longitudinal prestress applied and combination |
| CN114214957A (en) * | 2021-12-30 | 2022-03-22 | 武船重型工程股份有限公司 | Construction method of double-layer truss bridge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008274635A (en) * | 2007-04-27 | 2008-11-13 | Ps Mitsubishi Construction Co Ltd | Construction method for truss bridge |
| CN106638278A (en) * | 2017-02-26 | 2017-05-10 | 西南交通大学 | Pneumatic structure for improving flutter performance of dual-layer road steel truss suspension bridge |
-
2019
- 2019-07-22 CN CN201910662789.XA patent/CN110373990A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008274635A (en) * | 2007-04-27 | 2008-11-13 | Ps Mitsubishi Construction Co Ltd | Construction method for truss bridge |
| CN106638278A (en) * | 2017-02-26 | 2017-05-10 | 西南交通大学 | Pneumatic structure for improving flutter performance of dual-layer road steel truss suspension bridge |
Non-Patent Citations (4)
| Title |
|---|
| 孙英杰: "平潭海峡公铁两用大桥双层结合全焊钢桁梁设计", 《桥梁建设》 * |
| 沈大才: "平潭海峡公铁两用大桥钢梁架设关键技术", 《桥梁建设》 * |
| 王东辉: "平潭海峡公铁两用大桥简支钢桁梁制造关键技术", 《桥梁建设》 * |
| 魏明霞等: "孟加拉帕德玛大桥全焊接钢桁梁150ｍ跨３Ｄ拼装技术", 《世界桥梁》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627007A (en) * | 2020-12-11 | 2021-04-09 | 中铁大桥局集团有限公司 | Construction method of steel-concrete composite beam with longitudinal prestress applied and combination |
| CN114214957A (en) * | 2021-12-30 | 2022-03-22 | 武船重型工程股份有限公司 | Construction method of double-layer truss bridge |
| CN114214957B (en) * | 2021-12-30 | 2024-03-22 | 武船重型工程股份有限公司 | Construction method of double-layer truss bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105648924B (en) | The construction method of multispan freely-supported steel truss girder bridge | |
| CN108824162A (en) | A kind of steel_concrete composite beam and its construction method using plain plate and corrugated sheet steel mixing web | |
| CN108547223A (en) | The hybrid beam bridge construction method of steel reinforced concrete overlapping | |
| CN201512345U (en) | Multifunctional integrated lifting frame | |
| CN204185755U (en) | A kind of Wavelike steel webplate post-stressed concrete T beam | |
| CN108193607B (en) | Fabricated prestressed truss for reinforcement and construction method thereof | |
| CN109958049A (en) | A kind of modularization steel-is mixed to combine small box girder freely-supported continuous bridge and its construction method | |
| CN207392031U (en) | Precast segment assembly T-shaped combination beam | |
| CN110374008A (en) | A method of the erection of cable-stayed bridge steel truss is carried out in marine environment | |
| CN204919302U (en) | Few main girder structure of wave form steel web | |
| CN109797651A (en) | A kind of flat combined box beam with corrugated sheet steel internal model | |
| CN108060636A (en) | The construction method of overall assembled composite beam bridge | |
| CN111962372A (en) | Road-rail combined construction steel web member double-combination continuous truss girder and construction method thereof | |
| CN111485500A (en) | Transverse lengthening reinforcing construction method and structure for retreating and dismantling of rhombic hanging basket | |
| CN209652741U (en) | Across the rail yard large span overpass of one kind | |
| CN205205685U (en) | Span wire pier is function portal device at most | |
| CN212714544U (en) | Rhombus is hung basket and is retreated and demolishd horizontal extension reinforcement construction structure | |
| CN110373990A (en) | The double-deck whole hole of Combined steel truss beam manufactures and erection construction method | |
| CN106087711A (en) | Antinode work beam-steel concrete top board-external prestressing combines T-shaped simply supported beam | |
| CN109881587B (en) | Integral installation method of main tower upper cross beam support in strong wind environment | |
| CN208932821U (en) | A kind of erecting beam construction height leg gantry crane | |
| CN107268417A (en) | A kind of highway steel reinforced concrete combined beam structure based on assembling | |
| CN108252222B (en) | Steel-concrete combined structure formula simple supported-to-continuous girder bridge method | |
| CN114263114A (en) | Construction system and construction method of large-section steel box girder | |
| CN109098094A (en) | Construction method without bracket horizontal splicing corrugated steel web plate combined box girder |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |