CN105735129B - Full-welding truss section modularized splicing method - Google Patents

Full-welding truss section modularized splicing method Download PDF

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Publication number
CN105735129B
CN105735129B CN201610106419.4A CN201610106419A CN105735129B CN 105735129 B CN105735129 B CN 105735129B CN 201610106419 A CN201610106419 A CN 201610106419A CN 105735129 B CN105735129 B CN 105735129B
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China
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module
assembled
unit
piece
purlin
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CN201610106419.4A
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Chinese (zh)
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CN105735129A (en
Inventor
宋红飞
冯志敏
曹东威
王建国
刘洋
岳长勇
郑毅
许超众
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江苏中铁山桥重工有限公司
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D6/00Truss-type bridges

Abstract

The invention relates to a full-welding truss section modularized splicing method. According to the method, each assembly of each truss section is divided into multiple modules, and each module is independently spliced. The method includes firstly, a truss sheet module splicing method, secondly, a transverse connecting sheet module splicing method, thirdly, an upper-layer road bridge face module splicing method, fourthly, a lower-layer railway bridge face module splicing method, fifthly, a road combination section longitudinal and transverse beam splicing method and sixthly, a truss whole section module splicing method. A bridge is spliced in a modularized manner, part of the modules of the bridge can be spliced on a bridge production site, the difficulty of constructing the bridge on the site is lowered, the labor amount for manufacturing the bridge is reduced, the manufacturing time of the bridge is shortened, and the working efficiency is improved.

Description

A kind of full weldering truss sections modularization assemble method

Technical field

The present invention relates to a kind of full weldering truss sections modularization assemble method, belongs to bridge technical field.

Background technology

With developing rapidly for social economy, the pressure of land transportation is increasingly highlighted, in order to solve this pressure, in a large number The project such as railway, highway build imperative, for the great rivers passed through across road, the bridge of large span Using certainty is tended to, people are also designed in the structure of the bridge to different distance.

In the bridge of present invention research, the logical bridge in Shanghai includes main channel bridge, special purpose channel bridge, freely-supported steel truss girder bridge and two Bank land route access bridge, total length 11.072km, bridge is divided into upper and lower two-layer, respectively upper strata highway layer by function, lower floor's railway layer, such as Fruit is loaded down with trivial details using traditional assembling process, and when assembled at the scene setting accuracy it is difficult to ensure that, if so according to tradition Assembling process far can not meet the requirement of construction period, and need workpiece Left on/Left off in operation, so Security risk is increased again, and traditional bridge manufacture method is adapted to manufacture the little bridge of span, big for total length 11.072km Bridge is used conventional methods and manufactures comparatively laborious, inconvenient operation, and bridging high cost, therefore is badly in need of developing a kind of making Method be simple and convenient to operate and high precision truss section assembling technique, the logical bridge in the Shanghai is assembled using 95 modules, always Weight 127927.976t.

The content of the invention

The technical problem to be solved in the present invention is to provide a kind of full weldering truss sections modularization assemble method, can reduce bridge The difficulty that beam is manufactured on river surface, lifts bridging efficiency.

To solve above-mentioned technical problem, the technical scheme is that:

A kind of to weld truss sections modularization assemble method entirely, its innovative point is:Each component of the method truss sections It is divided into several modules, each module is independent assembled;Including:S1. the assembling method of purlin piece module;S2. the assembly of horizontal-associate piece module Method;S3. the assembling method of upper strata highway bridge module;S4. the assembling method of lower floor's railway deck module;S5. highway is combined Section beam assembling method in length and breadth;S6. the assembling method of the whole sections module of truss;Specifically include following steps:

S1. the assembling method of purlin piece module:Purlin piece module includes top boom, lower boom and diagonal web member, the spelling of purlin piece module It is mounted on moulding bed A and completes;First by top boom and lower boom positioned parallel on moulding bed A, top boom is adjusted with lower boom Comply with that camber is linear, after adjusting the dimensional requirement in each orientation, carried out top boom with lower boom using interim location measure Positioning is fixed;Diagonal web member is coordinated with top pick and is arranged between top boom and lower boom, then by diagonal web member and top-bottom chord node Welded, the weld seam first burn-on between chord member and diagonal web member, then welded the weld seam between lower boom and diagonal web member, top-bottom chord and The center lines matching deviation of diagonal web member is controlled in≤± 0.5mm;The overall purlin piece that welding is completed is disintegrated so as to become single Purlin piece module, leaves the module of one section of single purlin piece as parent segment, participates in the splicing of next round;

S2. the assembling method of horizontal-associate piece module:Horizontal-associate piece module includes node, web member and horizontal-associate piece lower boom, horizontal-associate piece Module is completed on moulding bed B;First on moulding bed B position horizontal-associate piece lower boom, horizontal-associate piece lower boom according to single making, with lid Group is welded into work shape chord member and the amount of cutting of two ends node reserves two after plate splicing;Successively assembled welding web member and node on moulding bed B, save Point reserves two amounts of cutting in horizontal-associate piece short transverse;After welding and having repaired horizontal-associate piece, according to the length and height of horizontal-associate lamellar body Degree line cutting node;Reinforced using temporary connection in transport and hoisting process, to avoid deformation;

S3. the assembling method of upper strata highway bridge module:Highway bridge module in upper strata includes highway bridge Slab element and T-shaped Crossbeam unit, being assembled on moulding bed C for upper strata highway bridge module is completed;Upper strata highway bridge module spelling adopts continuous coupling Group weldering and the assembled parallel process program of examination, often take turns four whole sections of spelling, and after the completion of last round of assembly one section of conduct is left The parent segment of next round participates in assembled;First highway bridge panel is carried out into two-in-one assembled formation highway single-unit floorings, and then By T-shaped crossbeam be positioned at simulation chord member moulding bed C on, then highway single-unit floorings according to the order from middle part to both sides in T Assembly is carried out on type crossbeam, the longitudinal seam welding between assembled Hou Xianjiang highways single-unit floorings is got up, then transverse joint is welded, Other weld seams are finally welded, two is drawn on highway single-unit floorings after welding and is cut non-referenced end line, cut according to drawn two non- Benchmark end line carries out that adjacent middle part highway single-unit floorings are assembled, then assembled adjacent middle part highway single-unit floorings two again The highway single-unit floorings of side, the order according to more than repeats to install upper strata highroad module;To ensure highway bridge panel and main truss The Interface Matching precision of chord member level board, after the completion of highway bridge panel welding, line cutting both sides control bridge deck width;

S4. the assembling method of lower floor's railway deck module:Lower floor railway deck module include top plate unit, bottom board unit, Longeron unit and board-like crossbeam unit, being assembled on moulding bed D for lower floor's railway deck module is completed;By top plate unit and base plate list Unit carries out respectively two-in-one assembled formation railway single-unit bridge floor top board and railway single-unit bridge floor base plate, by railway single-unit bridge floor base plate Laid from centre to both sides, railway single-unit bridge floor base plate is welded, first weld longitudinal joint, then weld transverse joint, last welded plate Formula crossbeam unit and top plate unit, the weld seam of bottom board unit, moulding bed D is placed on railway single-unit bridge floor base plate, by board-like crossbeam On the moulding bed D of simulation chord member, longeron unit is vertically embedded into into board-like crossbeam unit carries out assembly and wouldn't weld cell location, Top plate unit assembly is laid on into the upper end of longeron unit and board-like crossbeam, according to the top plate unit in the middle part of first laying, is re-layed The order of the top plate unit of both sides is carried out;Top plate unit and bottom board unit respectively with the upper lower horizontal board of the lower boom of purlin piece module Penetration is welded, and board-like crossbeam unit is welded with the lower boom of purlin piece module;

S5. highway adapter section beam assembling method in length and breadth:Highway adapter section includes crossbeam, longeron and connection beam;Highway is combined In length and breadth beam is assembled on moulding bed E and completes section, and longeron, crossbeam positioner and portraitlandscape baseline are provided with moulding bed E;First according to The height of buttress setting is positioned under according to the horizontal baseline on moulding bed crossbeam is relied on moulding bed E, after the completion of crossbeam positioning Two amounts of the cutting cutting that crossbeam two ends are reserved, then by moulding bed E end gauges and Longitudinal Base positioning assembling longeron, then The twice connection beam perpendicular to longeron is equipped between two crossbeams, weld seam is finally carried out, welding is using first weldering crossbeam and longeron Weld seam, the order of connection beam weld seam is welded afterwards to be carried out;

S6. the assembling method of the whole sections module of truss:The whole sections of truss includes that purlin piece module, horizontal-associate piece module, upper strata are public Road and bridge face mould block and lower floor's railway deck module;The whole sections module of truss is assembled on moulding bed F and completes, and to arrange on moulding bed F and face When support and fixing device, it is ensured that assembled stable safety and splicing accuracy;Lower floor's railway of side is positioned first on moulding bed F Bridge floor module, next purlin piece module, Ran Hou in the middle of the side of lower floor's railway deck module is installed using interim location measure Lower floor's railway deck module of opposite side is carried out assembly by the opposite side of middle purlin piece module using interim location measure, by two pieces Lower floor's railway deck module is positioned after the completion of assembly, then the two of Liang Kuai lower floors railway deck module in middle purlin piece module both sides Side is respectively mounted side purlin piece module, and interim location measure is then adopted between middle purlin piece module and two side purlin piece modules Auxiliary install horizontal-associate piece module, finally again above horizontal-associate piece install upper strata highway bridge module;Quality is carried out after the completion of assembly Halt detects that qualified rear lower tire transhipment of disintegrating leaves the whole section assembling of round under parent segment is participated in;The whole sections of truss installs first section Assembly is carried out in the following order:(1) side lower floor railway deck module positioning;(2) piece module in purlin is assembled in the middle of;(3) it is another Side lower floor railway deck module is assembled;(4) piece module in both sides purlin is assembled;(5) horizontal-associate piece module is assembled;(6) upper strata highway bridge Module is assembled;The assembled propulsion in the following order of the whole sections of follow-up truss:(1) piece module in purlin is assembled in the middle of;(2) both sides lower floor Railway deck module is assembled;(3) piece module in both sides purlin is assembled;(4) horizontal-associate piece module is assembled;(5) upper strata highway bridge module spliced Dress;The highway bridge panel and crossbeam of upper strata highway bridge module adopts penetration weld when the top boom with purlin piece module is welded Connect, when lower floor's railway deck module connects between whole sections, its roof and floor unit is connected as the docking of penetration building site, removes between whole sections Levels floorings using be welded to connect it is outer remaining adopt high strength exploitation.

In the whole sections module assembly of truss, the chord member between two purlin pieces is connected the purlin piece module using high-strength bolt Connect, between the brace of purlin piece module high strength exploitation is also adopted by.

The purlin piece positions assembling in outdoor environment and measures to be needed before sunrise, avoiding solar radiation, sunshine To consider that fetalism affects with purlin piece linear expansion coefficient during lower welding, in case fetalism deformation effect dimensional accuracy.

When the purlin piece is assembled web member and top boom with spacing shelves angle it is spacing should not spot welding, treat that web member is complete with lower boom weld seam Into rear repositioning welding, being allowed to the web member when lower-chord panel point is welded has in the longitudinal direction the space freely stretched, and reduces welding Shrink the impact high to purlin.

When being assembled in assembled purlin piece module of the whole sections module of the truss, three overall purlins piece purlin of same whole sections is high Bias direction is consistent, and in the range of tolerance.

The position of the welding needs the position connect using ultrasonic listening instrument butt welding to be detected a flaw after the completion of welding Detection.

The positioner of the upper setting of the moulding bed E is arranged keyhole and is positioned using punch with end longeron keyhole in its end.

It is an advantage of the current invention that:The full weldering truss sections modularization assemble method realizes the modularization assemble of bridge, It is that some little modules carry out independent assembly truss sections Module Division, can realizes that the matching between related little module is spelled Dress, assembled operation is rationally and assembled simple to operate, and just the part of module assembly of bridge can be got up in the place of production, reduces The difficulty of live bridging, reduces the amount of labour of bridge manufacture, shortens the time of bridge manufacture, improves the effect of work Rate;The steel structure material of bridge increased the intensity of Parameters of Bridge Steel Under using the 6th generation high strength steel of Q500qE;In full weldering truss The assembly of each module during section assembling adopts special moulding bed, it is ensured that the assembled precision of each sections module; Detected a flaw using ultrasonic listening instrument butt welding socket part position after the completion of each welding position welding, it is ensured that the effect of welding Really.

Description of the drawings

With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.

Fig. 1 is the stereogram of truss sections modularization assemble.

Fig. 2 is the splicing structure figure of purlin piece module.

Fig. 3 is the assembled flow chart of purlin piece module.

Fig. 4 is the splicing structure figure of horizontal-associate piece module.

Fig. 5 is the assembled flow chart of horizontal-associate piece module.

Fig. 6 is upper strata highway bridge module process flow chart.

Fig. 7 is the splicing structure figure of lower floor's railway deck module.

Fig. 8 is lower floor's railway deck module assembly flow chart.

Fig. 9 is the assembled flow chart of the whole sections module of truss.

As shown in Figures 1 to 9:1st, purlin piece module;11st, top boom;12nd, lower boom;13rd, diagonal web member;2nd, horizontal-associate piece mould Block;21st, node;22nd, web member;23rd, horizontal-associate piece lower boom;3rd, upper strata highway bridge module;4th, lower floor's railway deck module;41、 Top plate unit;42nd, bottom board unit;43rd, longeron unit;44th, board-like crossbeam unit;6th, the whole sections module of truss.

Specific embodiment

The following examples can make professional and technical personnel that the present invention is more fully understood, but not therefore by this It is bright to be limited among described scope of embodiments.

The full weldering truss sections modularization assemble method of one kind as shown in Figures 1 to 9:Each group of the method truss sections Part is divided into several modules, and each module is independent assembled;Including:S1. the assembling method of purlin piece module 1;S2. horizontal-associate piece module 2 Assembling method;S3. the assembling method of upper strata highway bridge module 3;S4. the assembling method of lower floor's railway deck module 4;S5. it is public The beam assembling method in length and breadth of road adapter section 5;S6. the assembling method of the whole sections module 6 of truss;Specifically include following steps:

S1. the assembling method of purlin piece module 1:Purlin piece module includes top boom 11, lower boom 12 and diagonal web member 13, purlin piece mould Being assembled on moulding bed A for block 1 is completed;First by top boom 11 and the positioned parallel of lower boom 12 on moulding bed A, top boom 11 is with Chord member 12 is adjusted and complies with that camber is linear, after adjusting the dimensional requirement in each orientation, will be winded up using interim location measure Bar 11 is fixed on the positioning with lower boom 12;Diagonal web member 13 is coordinated with top pick and is arranged between top boom 11 and lower boom 12, Diagonal web member 13 is welded with top-bottom chord node again, the weld seam first burn-on between chord member 11 and diagonal web member 13, then welded lower edge The center lines matching deviation of the weld seam between bar 12 and diagonal web member 13, top-bottom chord and diagonal web member 13 is controlled in≤± 0.5mm;Will The overall purlin piece that welding is completed is disintegrated so as to become single purlin piece module, leaves the module of one section of single purlin piece as parent segment, ginseng With the splicing of next round.

S2. the assembling method of horizontal-associate piece module 2:Horizontal-associate piece module 2 includes node 21, web member 22 and horizontal-associate piece lower boom 23, horizontal-associate piece module 2 is completed on moulding bed B;Horizontal-associate piece lower boom 23 is positioned first on moulding bed B, horizontal-associate piece lower boom 23 is pressed According to single making, with group after cover plate splicing work shape chord member and the amount of cutting of two ends node reserves two are welded into;The assembled weldering on moulding bed B successively Web member 22 and node 21 are connect, node reserves two amounts of cutting in the short transverse of horizontal-associate piece module 2;Welding and repairing horizontal-associate piece mould After block 2, according to the length and height line cutting node of horizontal-associate piece module 2;Using interim connection in transport and hoisting process Part is reinforced, to avoid deformation.

S3. the assembling method of upper strata highway bridge module 3:Upper strata highway bridge module 3 is including highway bridge Slab element and T Type crossbeam unit, being assembled on moulding bed C for upper strata highway bridge module 3 is completed;Upper strata highway bridge module spelling is using continuous Match group is welded and tries assembled parallel process program, often takes turns four whole sections of spelling, and after the completion of last round of assembly one section is left Participate in assembled as the parent segment of next round;First highway bridge panel is carried out into two-in-one assembled formation highway single-unit floorings, its Secondary T-shaped crossbeam unit 32 is positioned on the moulding bed C of simulation chord member again, then highway single-unit floorings are according to from middle part to both sides Order on T-shaped crossbeam unit 32 carry out assembly, the longitudinal seam welding between assembled Hou Xianjiang highways single-unit floorings is got up, then Transverse joint is welded, other weld seams are finally welded, two is drawn on highway single-unit floorings after welding and is cut non-referenced end line, according to Cutting non-referenced end line according to drawn two carries out adjacent middle part highway single-unit floorings assembly, and then again assembled adjacent middle part is public The highway single-unit floorings of road single-unit floorings both sides, the order according to more than repeats to install upper strata highway bridge module 3;To protect Card highway bridge panel 31 and the Interface Matching precision of main truss chord member level board, after the completion of highway bridge panel welding, rule and cut Both sides, control bridge deck width.

S4. the assembling method of lower floor's railway deck module 4:Lower floor's railway deck module 4 is including top plate unit 41, base plate list Unit 42, longeron unit 43 and board-like crossbeam unit 44, being assembled on moulding bed D for lower floor railway deck module 4 is completed;By top board list Unit 41 carries out respectively two-in-one assembled formation railway single-unit bridge floor top board and railway single-unit bridge floor base plate with bottom board unit 42, by iron Road single-unit bridge floor base plate is laid from centre to both sides, and railway single-unit bridge floor base plate is welded, and first welds longitudinal joint, then welds horizontal stroke Seam, last welded plate type crossbeam unit 44 and top plate unit 41, the weld seam of bottom board unit 42, moulding bed D is placed on railway single-unit bridge On the base plate of face, board-like crossbeam unit 44 is positioned on the moulding bed D of simulation chord member, longeron unit 43 is vertically embedded into into board-like crossbeam Unit 44 carries out assembly and wouldn't weld, and the assembly of top plate unit 41 is laid on into the upper end of longeron unit 43 and board-like crossbeam 44, According to the top plate unit 41 in the middle part of first laying, re-laying the order of the top plate unit 41 of both sides is carried out;Top plate unit 41 and base plate Unit 42 connects respectively with the upper lower horizontal board penetration weld of the lower boom 12 of purlin piece module 1, board-like crossbeam unit 44 and purlin piece module 1 Lower boom 12 weld.

S5. highway adapter section beam assembling method in length and breadth:Highway adapter section includes crossbeam, longeron and connection beam;Highway is combined In length and breadth beam is assembled on moulding bed E and completes section, and longeron, crossbeam positioner and portraitlandscape baseline are provided with moulding bed E;First according to The height of buttress setting is positioned under according to the horizontal baseline on moulding bed crossbeam is relied on moulding bed E, after the completion of crossbeam positioning Two amounts of the cutting cutting that crossbeam two ends are reserved, then by moulding bed E end gauges and Longitudinal Base positioning assembling longeron, then The twice connection beam 53 perpendicular to longeron is equipped between two crossbeams, weld seam is finally carried out, welding is using first weldering crossbeam and indulges Beam weld seam, the order of connection beam weld seam is welded afterwards to be carried out.

S6. the assembling method of the whole sections module 6 of truss:The whole sections of truss includes purlin piece module 1, horizontal-associate piece module 2, upper strata Highway bridge module 3 and lower floor railway deck module 4;The whole sections module 6 of truss is assembled on moulding bed F and completes, and to set on moulding bed F Put temporary support and fixing device, it is ensured that the stable safety and splicing accuracy of assembly;The lower floor of side is positioned first on moulding bed F Railway deck module 4a, secondly the side in lower floor railway deck module 4 installed using interim location measure in the middle of purlin piece module 1, then the opposite side in middle purlin piece module 1a lower floor's railway deck module 4b of opposite side is entered using interim location measure Row is assembled, by Liang Kuai lower floors railway deck module 4 after the completion of the positioning assembly of middle purlin piece module 1a both sides, then in Liang Kuai lower floors The both sides of railway deck module 4 are respectively mounted side purlin piece module 1b, then in middle purlin piece module 1a and two side purlin piece moulds Horizontal-associate piece module 2 is installed using interim location measure auxiliary between block 1b, upper strata highway bridge is finally installed above horizontal-associate piece again Face mould block 3;Quality halt detection is carried out after the completion of assembly, qualified rear lower tire transhipment of disintegrating leaves round under parent segment is participated in whole Section assembling;The whole sections of truss installs first section and carries out assembly in the following order:(1) side lower floor railway deck module 4a is determined Position;(2) piece module 1a in purlin is assembled in the middle of;(3) opposite side lower floor railway deck module 4b is assembled;(4) piece module 1b in both sides purlin is spelled Dress;(5) horizontal-associate piece module 2 is assembled;(6) upper strata highway bridge module 3 is assembled;The whole sections of follow-up truss is spelled in the following order Dress propulsion:(1) piece module 1a in purlin is assembled in the middle of;(2) both sides lower floor railway deck module 4 is assembled;(3) piece module 1b in both sides purlin is spelled Dress;(4) horizontal-associate piece module 2 is assembled;(5) upper strata highway bridge module 3 is assembled;The highway bridge panel of upper strata highway bridge module 3 And crossbeam is welded when the top boom 11 with purlin piece module 1 is welded using penetration, lower floor's railway deck module 4 is in whole sections Between when connecting, its roof and floor unit is connected as the docking of penetration building site, except levels floorings are using in addition to being welded to connect between whole sections Remaining adopts high strength exploitation.

In the whole sections module assembly of truss, the chord member between two purlin pieces adopts high strength exploitation, purlin to purlin piece module 1 High strength exploitation is also adopted by between the brace of piece module 1.

Purlin piece module 1 positioning assembling and measures and needs before sunrise, avoiding solar radiation, sunshine in outdoor environment To consider that fetalism affects with purlin piece linear expansion coefficient during lower welding, in case fetalism deformation effect dimensional accuracy.

When purlin piece module 1 is assembled web member and top boom 11 with spacing shelves angle it is spacing should not spot welding, treat web member with lower boom weldering Repositioning welding after the completion of seam, being allowed to the web member when lower-chord panel point is welded has in the longitudinal direction the space freely stretched, and reduces The impact high to purlin is shunk in welding.

When being assembled in assembled purlin piece module of the whole sections module 6 of truss, three overall purlins of purlin piece module 1 of same whole sections High bias direction is consistent, and in the range of tolerance.

The position of welding needs the position connect using ultrasonic listening instrument butt welding to carry out carrying out flaw detection after the completion of welding.

The positioner of the upper setting of moulding bed E is arranged keyhole and is positioned using punch with end longeron keyhole in its end.

It should be understood by those skilled in the art that, the present invention is not restricted to the described embodiments, above-described embodiment and explanation Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has Various changes and modifications, these changes and improvements are both fallen within scope of the claimed invention.The claimed scope of the invention By appending claims and its equivalent thereof.

Claims (7)

  1. It is 1. a kind of to weld truss sections modularization assemble method entirely, it is characterised in that:The method is divided into each component of truss sections Several modules, each module is independent assembled;Including:S1. the assembling method of purlin piece module;S2. the assembly side of horizontal-associate piece module Method;S3. the assembling method of upper strata highway bridge module;S4. the assembling method of lower floor's railway deck module;S5. highway adapter section Beam assembling method in length and breadth;S6. the assembling method of the whole sections module of truss;Specifically include following steps:
    S1. the assembling method of purlin piece module:Piece module in purlin includes top boom, lower boom and diagonal web member, and purlin piece module is assembled in Complete on moulding bed A;First by top boom and lower boom positioned parallel on moulding bed A, top boom is adjusted with lower boom and makes it Meet that camber is linear, after adjusting the dimensional requirement in each orientation, positioned top boom with lower boom using interim location measure It is fixed;Diagonal web member is coordinated with top pick and is arranged between top boom and lower boom, then diagonal web member is carried out with top-bottom chord node Welding, the weld seam first burn-on between chord member and diagonal web member, then weld the weld seam between lower boom and diagonal web member, top-bottom chord and oblique abdomen The center lines matching deviation of bar is controlled in≤± 0.5mm;The overall purlin piece that welding is completed is disintegrated so as to become single purlin piece Module, leaves the module of one section of single purlin piece as parent segment, participates in the splicing of next round;
    S2. the assembling method of horizontal-associate piece module:Horizontal-associate piece module includes node, web member and horizontal-associate piece lower boom, horizontal-associate piece module Complete on moulding bed B;Horizontal-associate piece lower boom is positioned first on moulding bed B, horizontal-associate piece lower boom is connect according to single making with cover plate Group is welded into work shape chord member and the amount of cutting of two ends node reserves two after material;Assembled on moulding bed B successively to weld web member and node, node exists Two amounts of cutting are reserved in horizontal-associate piece short transverse;After welding and having repaired horizontal-associate piece, drawn according to the length and height of horizontal-associate lamellar body Wire cutting node;Reinforced using temporary connection in transport and hoisting process, to avoid deformation;
    S3. the assembling method of upper strata highway bridge module:Upper strata highway bridge module includes highway bridge Slab element and T-shaped crossbeam Unit, being assembled on moulding bed C for upper strata highway bridge module is completed;Upper strata highway bridge module spelling is welded using continuous coupling group And the assembled parallel process program of examination, four whole sections of spelling are often taken turns, after the completion of last round of assembly one section is left as next The parent segment of wheel participates in assembled;First highway bridge panel is carried out into two-in-one assembled formation highway single-unit floorings, and then will be T-shaped Crossbeam be positioned at simulation chord member moulding bed C on, then highway single-unit floorings according to the order from middle part to both sides in T-shaped crossbeam On carry out assembly, the longitudinal seam welding between assembled Hou Xianjiang highways single-unit floorings is got up, then transverse joint is welded, and is finally welded Other weld seams, draw two and cut non-referenced end line on highway single-unit floorings after welding, according to drawn two non-referenced end is cut It is assembled that line carries out adjacent middle part highway single-unit floorings, then public affairs of assembled adjacent middle part highway single-unit floorings both sides again Road single-unit floorings, the order according to more than repeats to install upper strata highway bridge module;To ensure highway bridge panel and main truss string The Interface Matching precision of bar level board, after the completion of the highway bridge panel welding of upper strata, line cutting both sides control bridge deck width;
    S4. the assembling method of lower floor's railway deck module:Lower floor's railway deck module includes top plate unit, bottom board unit, longeron Unit and board-like crossbeam unit, being assembled on moulding bed D for lower floor's railway deck module is completed;By top plate unit and bottom board unit point Two-in-one assembled formation railway single-unit bridge floor top board and railway single-unit bridge floor base plate are not carried out, by railway single-unit bridge floor base plate by Between to both sides laying, railway single-unit bridge floor base plate is welded, first weld longitudinal joint, then weld transverse joint, last welded plate type is horizontal Beam element and top plate unit, the weld seam of bottom board unit, moulding bed D is placed on railway single-unit bridge floor base plate, by board-like crossbeam unit It is positioned on the moulding bed D of simulation chord member, longeron unit is vertically embedded into into board-like crossbeam unit carries out assembly and wouldn't weld, and will push up Slab element assembly is laid on the upper end of longeron unit and board-like crossbeam, according to the top plate unit in the middle part of first laying, re-lays both sides The order of top plate unit carry out;Top plate unit and bottom board unit respectively with the upper lower horizontal board penetration of the lower boom of purlin piece module Welding, board-like crossbeam unit is welded with the lower boom of purlin piece module;
    S5. highway adapter section beam assembling method in length and breadth:Highway adapter section includes crossbeam, longeron and connection beam;Highway adapter section is indulged Crossbeam is assembled on moulding bed E and completes, and longeron, crossbeam positioner and portraitlandscape baseline are provided with moulding bed E;First according to tire The height of buttress setting is positioned under horizontal baseline on frame relies on crossbeam on moulding bed E, by horizontal stroke after the completion of crossbeam positioning Reserved two amounts of the cutting cutting in beam two ends, then by moulding bed E end gauges and Longitudinal Base positioning assembling longeron, then two The twice connection beam perpendicular to longeron is equipped between crossbeam, weld seam is finally carried out, welding is adopted and first weld crossbeam and longeron weld seam, Welding the order of connection beam weld seam afterwards is carried out;
    S6. the assembling method of the whole sections module of truss:The whole sections of truss includes purlin piece module, horizontal-associate piece module, upper strata highway bridge Face mould block and lower floor's railway deck module;The whole sections module of truss is assembled on moulding bed F and completes, and interim is arranged on moulding bed F Support and fixing device, it is ensured that the stable safety and splicing accuracy of assembly;Lower floor's railway deck of side is positioned first on moulding bed F Module, next purlin piece module in the middle of the side of lower floor's railway deck module is installed using interim location measure, then in centre Lower floor's railway deck module of opposite side is carried out assembly by the opposite side of purlin piece module using interim location measure, by Liang Kuai lower floors Railway deck module is after the completion of the positioning assembly of middle purlin piece module both sides, then divides in the both sides of Liang Kuai lower floors railway deck module Not An Zhuan side purlin piece module, then between middle purlin piece module and two side purlin piece modules using interim location measure aid in Install horizontal-associate piece module, finally again above horizontal-associate piece install upper strata highway bridge module;Quality stopping is carried out after the completion of assembly Point detection, qualified rear lower tire transhipment of disintegrating, leaves the whole section assembling of round under parent segment is participated in;The whole sections of truss install first section according to Following order carries out assembly:(1) side lower floor railway deck module positioning;(2) piece module in purlin is assembled in the middle of;(3) under opposite side Layer railway deck module is assembled;(4) piece module in both sides purlin is assembled;(5) horizontal-associate piece module is assembled;(6) upper strata highway bridge module It is assembled;The assembled propulsion in the following order of the whole sections of follow-up truss:(1) piece module in purlin is assembled in the middle of;(2) both sides lower floor railway Bridge floor module is assembled;(3) piece module in both sides purlin is assembled;(4) horizontal-associate piece module is assembled;(5) highway bridge module in upper strata is assembled;On The highway bridge panel and crossbeam of layer highway bridge module is welded when the top boom with purlin piece module is welded using penetration, under When layer railway deck module connects between whole sections, its roof and floor unit is connected as the docking of penetration building site, except upper and lower between whole sections Layer floorings using be welded to connect it is outer remaining adopt high strength exploitation.
  2. 2. one kind according to claim 1 is complete welds truss sections modularization assemble method, it is characterised in that:The purlin piece mould In the assembly of truss whole sections module, the chord member between two purlin pieces adopts high strength exploitation to block, the brace of purlin piece module it Between be also adopted by high strength exploitation.
  3. 3. one kind according to claim 1 is complete welds truss sections modularization assemble method, it is characterised in that:The purlin piece mould Block positions assembling in outdoor environment and measures to be needed before sunrise, avoiding solar radiation, to be considered when welding under sunshine Fetalism affects with purlin piece linear expansion coefficient, in case fetalism deformation effect dimensional accuracy.
  4. 4. one kind according to claim 1 is complete welds truss sections modularization assemble method, it is characterised in that:The purlin piece mould When block is assembled web member and top boom with spacing shelves angle it is spacing should not spot welding, treat that repositioning is welded after the completion of web member and lower boom weld seam Connect, being allowed to the web member when lower-chord panel point is welded has in the longitudinal direction the space freely stretched, reduce welding and shrink high to purlin Affect.
  5. 5. one kind according to claim 1 is complete welds truss sections modularization assemble method, it is characterised in that:The truss is whole When being assembled in assembled purlin piece module of sections module, the high bias direction in three overall purlins piece module purlin of same whole sections is consistent, And in the range of tolerance.
  6. 6. one kind according to claim 1 is complete welds truss sections modularization assemble method, it is characterised in that:The welding Position needs the position connect using ultrasonic listening instrument butt welding to carry out carrying out flaw detection after the completion of welding.
  7. 7. one kind according to claim 1 is complete welds truss sections modularization assemble method, it is characterised in that:The moulding bed E The positioner of upper setting keyhole be set in its end positioned using punch with end longeron keyhole.
CN201610106419.4A 2016-02-26 2016-02-26 Full-welding truss section modularized splicing method CN105735129B (en)

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CN107775240B (en) * 2016-08-29 2019-08-09 西尼机电(杭州)有限公司 A kind of welding procedure of truss
CN107201726B (en) * 2017-06-08 2018-12-04 宁波市交通规划设计研究院有限公司 The all welded steel structured bridge of section assembling eliminates the construction method of residual stress
CN107700360B (en) * 2017-09-19 2019-07-02 武船重型工程股份有限公司 A kind of assembling method of truss bridge section
CN108071076B (en) * 2017-11-27 2020-02-04 武船重型工程股份有限公司 Welding process method for truss bridge deck slab
CN108755449B (en) * 2017-11-28 2020-06-05 江苏中铁山桥重工有限公司 Manufacturing method of steel bridge deck for replacing bridge deck

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