CN208685450U - Steel girder bridge assembling support system - Google Patents

Steel girder bridge assembling support system Download PDF

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Publication number
CN208685450U
CN208685450U CN201820634573.3U CN201820634573U CN208685450U CN 208685450 U CN208685450 U CN 208685450U CN 201820634573 U CN201820634573 U CN 201820634573U CN 208685450 U CN208685450 U CN 208685450U
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boom
steel
positive
web
bar
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Chinese (zh)
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杜海峰
孙学军
彭申凯
任杰
刘要武
钱申春
崔健
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Anhui Road and Bridge Engineering Co Ltd
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Anhui Road and Bridge Engineering Co Ltd
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Abstract

The utility model discloses steel girder bridge assembling support systems.The steel girder bridge assembling support system includes bottom door opening strutting system, bridge top splicing system.Bottom door opening strutting system includes temporary rest pier, U-shaped steel, Bailey bracket etc.;System is spliced on bridge top, and by side lower boom, end I-steel, bottom, vertically and horizontally I-steel, special-shaped connecting plate side diagonal web member, side erect web member, side top boom, are connected to side lower boom etc..The utility model is in the construction process, the utility model uses integrated poured to steel-pipe pile lower position progress concrete, in this, as temporary rest pier, it can satisfy the load requirement of steel truss construction, it is small to the demand of template, raft support method is avoided because using economic waste caused by a large amount of templates;In addition vertically and horizontally I-steel etc. component is all made of high-strength bolt connection for the web member of the utility model, top boom, lower boom, bottom, and speed of application is faster, easy for construction, and small to being influenced by weather.

Description

Steel girder bridge assembling support system
Technical field
The utility model relates to construction engineering technical fields, in particular to steel girder bridge assembling support system.
Background technique
Steel girder bridge is a kind of a kind of structural system between beam and arch, it be by by curved top girder construction with hold The structure that the lower post of pressure is integrally joined together.Since truss bridge is compared with conventional concrete bridge, the design of structure is more To be simple, faster, bridge simple installation, truss adapts to the bigger advantage of span scope to the manufacturing speed of component, therefore in engineering It obtains very extensive.At present steel girder bridge in the construction process, using raft support method come erect bracket, and in this, as top The support of bridge.But the working rack template consumption of raft support method is big, long in time limit, has very to Bridges in Mountainous Areas and Gao Dun Big limitation;Secondly steel girder bridge, place the material on the dilatory slideway of one end, is then being constructed using dilatory method construction In the process, material is run along scheduled slideway route, is finally transported to and is formulated position.But dilatory method needs large-scale traction Mechanical equipment, and in heave, it is injury-free not can guarantee material, and potential hazard is caused to entire construction.In addition it passes The construction method of system needs to occupy a large amount of place, to be used to heap putting material and for being parked to transporting equipment, but it is traditional Construction method is limited place in narrow field or place and can not effectively construct.
Therefore, it needs to seek one kind at present can to construct on small place, and can be to avoid raft support method bring mould The steel truss assembling support system of plate consumption and disadvantage long in time limit seems particularly significant.
Utility model content
The purpose of this utility model is exactly to overcome drawbacks described above, provides a kind of steel truss assembling support system.This is practical new The purpose of type is achieved through the following technical solutions:
The steel girder bridge assembling support system, it is characterised in that spelled including bottom door opening strutting system and bridge top Junctor system;
The bottom door opening strutting system, including two groups of parallel temporary rest piers, cooperation is equipped with U at the top of each temporary rest pier Fashioned iron, lateral arrangement Bailey bracket forms rack beam in corresponding U-shaped steel in two groups, and Bailey bracket is equipped with backing plate at bottom, and every group In bridging is set between adjacent temporary rest pier, temporary rest pier bottom is embedded to underground, and it is closely knit to be embedded to region concrete grouting, Constitute concrete foundation;
System is spliced on the bridge top, including the rectangle bridge surrounded by two side lower booms and two radicle I-steel Surface frame frame, rectangle bridge floor frame are equipped with bridge floor, and side top boom is arranged in parallel in above the lower boom of side, and side top boom One group of abnormity connecting plate is set with being staggeredly spaced on the lower boom of side, side diagonal web member and side erect web member and pass through special-shaped connecting plate It is arranged between side top boom and side lower boom, installation top diagonal web member and the elongated straight-bar in top on the top boom of side, two Root side top boom end is connected by positive side top boom respectively, and the top parallel with positive side top boom is arranged between erecting web member in two sides The elongated straight-bar in portion, positive side top boom lower section are arranged parallel positive side lower boom, are equipped between positive side top boom and positive side lower boom Positive side web member;Between the elongated straight-bar of positive side top boom and top, top diagonal web member is equipped between the elongated straight-bar of adjacent top.
The steel girder bridge assembling support system, it is characterised in that bridge floor is by bottom transverse direction I-steel and bottom longitudinal direction work Word steel is connected and composed by bolt and I-shaped steel fastener.
The steel girder bridge assembling support system, it is characterised in that side top boom and difference on the outside of the lower boom of side are equal The even special-shaped connecting plate of interval setting, and the special-shaped connecting plate of the special-shaped connecting plate of side top boom and side lower boom divides in interlocking Cloth, side diagonal web member both ends are fixed on special-shaped connecting plate adjacent on side top boom and side lower boom, and web member is erected in side One end connects special-shaped connecting plate, and the other end connects trapezoidal connecting plate, connects side by special-shaped connecting plate, trapezoidal connecting plate and winds up Bar and side lower boom.
The steel girder bridge assembling support system, it is characterised in that erect web member inside, the elongated straight-bar in top, positive side in side Several trapezoidal connecting plates, and the ladder on positive side top boom and positive side lower boom is arranged in uniform intervals on top boom, positive side lower boom Shape connecting plate position is staggered, and the elongated straight-bar in top is identical as the trapezoidal connecting plate position on positive side top boom, and top is elongated It is equipped with top diagonal web member between straight-bar and positive side top boom, positive side web member, position are equipped between positive side top boom and positive side lower boom It is connected on the top boom of side in outermost top diagonal web member, positive side web member end.
The steel girder bridge assembling support system, it is characterised in that web member, the oblique abdomen in side are erected in side top boom, side Bar, top diagonal web member, the elongated straight-bar in top, positive side top boom, positive side web member, positive side lower boom are I-steel, side lower edge Bar 9 is U-shaped steel.
The steel girder bridge assembling support system, it is characterised in that end cross I-shaped steel dimensions are greater than bottom longitudinal direction work Word steel dimensions, bottom longitudinal direction I-shaped steel dimensions are greater than bottom transverse direction I-steel size.
The steel girder bridge assembling support system, it is characterised in that the elongated straight-bar in top passes through bolt and rectangular connecting panels Riveting is fixed on the perpendicular web member in side and side top boom intersection, adjacent side are erected at the center of web member.
The construction method of the steel girder bridge assembling support system, it is characterised in that include the following steps:
1) temporary rest pier sets up temporary rest pier and uses steel-pipe pile, integrated poured to steel-pipe pile lower position progress concrete, Concrete foundation is constituted, pours completion to steel-pipe pile lower part, using U-shaped steel to banding is drawn, Bailey bracket is then arranged in U-shaped steel Crossbeam is formed, and is laid with backing plate at bottom on crossbeam, bridging is set with channel steel between adjacent steel-pipe pile;
2) lower boom installation in two sides requires surveying and locating according to detail design, determines the position of side lower boom, and will Side lower boom is mounted on Bailey bracket top;
3) bottom transverse direction I-steel and bottom longitudinal direction I-steel are installed to side lower boom after the installation is completed, utilize bolt Two end cross I-steel are connected to the both ends of two sides lower boom with I-shaped steel fastener, using assembling clamp by bottom Longitudinal I-steel is mounted on end cross I-steel, then bottom transverse direction I-steel is mounted on the I-steel of bottom longitudinal direction, shape At bridge floor;
4) side diagonal web member, side erect web member, side top boom and web member and side are first erected in side diagonal web member, side outside the venue Face top boom is installed to obtain assembly, it is to be installed it is good after, assembly is hung to suitable position using crane, and utilize bolt It is riveted on the lower boom of side with special-shaped connecting plate 5;
5) top diagonal web member, the elongated straight-bar in top are mounted on side and erect web member and side top boom intersection and sides adjacent Face is erected at the center of web member, and the elongated straight-bar of bolt and rectangular connecting panels riveting top is utilized;After after top, elongated straight-bar is installed, Top diagonal web member is riveted on the elongated straight-bar in top and side top boom;
6) positive side top boom, positive side web member, positive side lower boom are mounted on side and erect web member and side top boom intersection Positive side lower boom is arranged in parallel immediately below the elongated straight-bar in top, positive side lower boom both ends are fixed on side and erect on web member, then will just Flank bar is inclined between positive side top boom and positive side lower boom, and positive side top boom is arranged in parallel in the elongated straight-bar in top On same plane;
7) floorings construction and installation;
8) temporary rest pier and bottom door opening strutting system are removed.
The construction method of the steel girder bridge assembling support system, it is characterised in that the assembling clamp in step 3) includes Chassis, chassis middle part are equipped with slide slot, and the round bar of two rod failures cone is movably arranged on slide slot by bar cone, on every round bar Equipped with matched strap and ambulatory splint, wherein the ambulatory splint upper surface on a round bar is equipped with solid button, Ling Yigen Ambulatory splint upper surface on round bar is set there are two fixed ring, and motion bar is movably arranged between two fixed rings, on motion bar Equipped with fixed ring, fixed ring can match snapping with solid button, two ambulatory splints be fixed, it is convex that strap side is equipped with fixation Platform, ambulatory splint side are equipped with movable boss, and fixing lug boss and the overall length of movable boss are equal to strap length, two work It moves the width of boss and is matched with the upper surface width of bottom longitudinal direction to be installed I-steel.
The construction method of the steel girder bridge assembling support system, it is characterised in that the installation of bottom longitudinal direction I-steel Journey is as follows: successively chassis being placed on backing plate at bottom, two straps are placed on end cross I-steel corresponding position, bottom Portion longitudinal direction I-steel, which is placed on, needs position to be mounted, adjusts position of the round bar on slide slot, makes two straps the bottom of by Portion longitudinal direction I-steel clamps, then adjusts ambulatory splint, it is made to be close together with end cross I-steel, rotates motion bar, will Button hole is buckled on solid mouth;Using I-shaped steel fastener, bolt, bottom longitudinal direction I-steel is mounted on end cross I-steel On;Bottom transverse direction I-steel is mounted on the I-steel of bottom longitudinal direction using identical method.
By using above-mentioned technology, compared with prior art, the beneficial effects of the utility model are as follows:
1) the utility model uses that carry out concrete to steel-pipe pile lower position integrated poured, in this, as temporary rest pier, It can satisfy the load requirement of steel truss construction completely, and small to the demand of template, avoid raft support method because needs are adopted With economic waste caused by a large amount of templates;In addition the temporary rest pier construction period is shorter compared with raft support method;
2) vertically and horizontally I-steel etc. component is all made of high-strength spiral shell for the web member of the utility model, top boom, lower boom, bottom It tethers and connects.Its opposite conventional method using welding, speed of application is faster, easy for construction, and small to being influenced by weather;
3) speed of application of the utility model is fast, using over-the-counter prefabricated steel member, after element precast is good, then transports to applying Work carries out splicing between scene now, solves the problems, such as the accumulation in place to a certain extent, and without using in dilatory method Large-scale pulling equipment.
Detailed description of the invention
Fig. 1 is the main view of steel girder bridge splicing support system;
Fig. 2 is the side view of steel girder bridge splicing support system;
Fig. 3 is the 1-1 sectional view in Fig. 1;
Fig. 4 is the vertically and horizontally I-steel layout drawing on bridge floor;
Fig. 5 is bolt connection node schematic diagram in Fig. 1;
Fig. 6 is vertically and horizontally I-steel connection schematic diagram in Fig. 4;
Fig. 7 is assembling clamp schematic diagram;
Fig. 8 is that schematic diagram is completed in assembling clamp assembly.
In figure: 1-rectangular connecting panels;Erect web member in 2-sides;3-side top booms;4-bolts hole;5-abnormity connections Plate;6-side diagonal web members;7-bridgings;8-concrete foundations;9-side lower booms;10-bottom longitudinal direction I-steel; 11-bottom transverse direction I-steel;12-top diagonal web members;The elongated straight-bar in 13-tops;14-positive side top booms;15-positive flanks Bar;16-trapezoidal connecting plates;17-positive side lower booms;18-backing plate at bottom;19-temporary rest piers;20-I-shaped steel fasteners; 21-bolts;22-bridge floors;23-end cross I-steel;24-U-shaped steels;25-solid buttons;26-ambulatory splints;Gu 27- Clamp plate;28-fixed rings;29-motion bars;30-button holes;31-Bailey brackets;32-round bars;33-chassis;34-slide Slot;35-bars cone.
Specific embodiment
Below in conjunction with Figure of description, the utility model will be further described, but the protection scope of the utility model is simultaneously It is not limited only to this:
As shown in figures 1-8, the steel girder bridge assembling support system of the utility model, including bottom door opening strutting system and bridge Splice system in beam top;
The bottom door opening strutting system cooperates at the top of each temporary rest pier 19 including two groups of parallel temporary rest piers 19 Equipped with U-shaped steel 24, lateral arrangement Bailey bracket 31 forms rack beam in corresponding U-shaped steel 24 in two groups, and Bailey bracket 31 is equipped with Bridging 7 is arranged in every group for backing plate at bottom 18 between adjacent temporary rest pier 19,19 bottom of temporary rest pier is embedded to underground, and is embedded to Region concrete grouting is closely knit, constitutes concrete foundation 8;
System is spliced on the bridge top, including the square surrounded by two side lower booms 9 and two radicle I-steel 23 Shape bridge floor frame, rectangle bridge floor frame are equipped with bridge floor 22, and bridge floor 22 is by bottom transverse direction I-steel 11 and bottom longitudinal direction I-steel 10 are connected and composed by bolt 21 with I-shaped steel fastener 20;Side top boom 3 is arranged in parallel in 9 top of side lower boom, and Staggeredly web member is erected in one group of abnormity connecting plate 5 of interval setting, side diagonal web member 6 and side on side top boom 3 and side lower boom 9 2 are arranged between side top boom 3 and side lower boom 9 by special-shaped connecting plate 5, the oblique abdomen in installation top on side top boom 3 The elongated straight-bar 13 of bar 12 and top, two 3 ends of side top boom are connected by positive side top boom 14 respectively, and web member is erected in two sides The top elongated straight-bar 13 parallel with positive side top boom 14 is set between 2, parallel positive side lower edge is set below positive side top boom 14 Bar 17 is equipped with positive side web member 15 between positive side top boom 14 and positive side lower boom 17;Positive side top boom 14 and the elongated straight-bar in top Between 13, top diagonal web member 12 is equipped between the elongated straight-bar 13 of adjacent top.
As shown in Figs. 1-5, the special-shaped connecting plate 5 of uniform intervals setting is distinguished on the outside of side top boom 3 and side lower boom 9, And the special-shaped connecting plate 5 of side top boom 3 and the special-shaped connecting plate 5 of side lower boom 9 are interspersed, 6 liang of side diagonal web member End is fixed on special-shaped connecting plate 5 adjacent on side top boom 3 and side lower boom 9, and 2 one end of web member connection abnormity is erected in side Connecting plate 5, the other end connect trapezoidal connecting plate 16, by special-shaped connecting plate 5, trapezoidal connecting plate 16 connect side top boom 3 with Side lower boom 9;Side erect 2 inside of web member, on the elongated straight-bar 13 in top, positive side top boom 14, positive side lower boom 17 uniformly between Every several trapezoidal connecting plates 16 of setting, and positive side top boom 14 is staggeredly set with 16 position of trapezoidal connecting plate on positive side lower boom 17 It sets, the elongated straight-bar 13 in top is identical as 16 position of trapezoidal connecting plate on positive side top boom 14, the elongated straight-bar 13 in top and positive side It is equipped with top diagonal web member 12 between top boom 14, positive side web member 15, position are equipped between positive side top boom 14 and positive side lower boom 17 It is connected on side top boom 3 in outermost top diagonal web member 12,15 end of positive side web member.
The side top boom 3 of the utility model, the perpendicular web member 2 in side, side diagonal web member 6, top diagonal web member 12, top are elongated Straight-bar 13, positive side top boom 14, positive side web member 15, positive side lower boom 17 are I-steel, and side lower boom 9 is U-shaped steel;End Lateral 23 size of I-steel is greater than 10 size of bottom longitudinal direction I-steel, and I-steel 10 size in bottom longitudinal direction is greater than bottom transverse direction I-shaped 11 size of steel;The elongated straight-bar 13 in top is fixed on side by bolt and the riveting of rectangular connecting panels 1 and erects web member 2 and side top boom 3 intersections, adjacent side are erected at the center of web member 2.
As shown in Figure 7 and Figure 8, the assembling clamp includes chassis 33, is equipped with slide slot 34, two rod failures in the middle part of chassis 33 The round bar 32 of cone 35 is movably arranged on slide slot 34 by bar cone 35, and every round bar 32 is equipped with matched 27 He of strap Ambulatory splint 26, wherein 26 upper surface of ambulatory splint on a round bar 32 is equipped with solid button 25, the work on another round bar 32 Dynamic 26 upper surface of clamping plate sets that there are two fixed rings 28, and motion bar 29 is movably arranged between two fixed rings 28, on motion bar 29 Equipped with fixed ring 28, fixed ring 28 can match snapping with solid button 25, two ambulatory splints 26 are fixed, 27 side of strap Equipped with fixing lug boss 27a, 26 side of ambulatory splint is equipped with the overall length of activity boss 26a, fixing lug boss 27a and movable boss 26a Equal to 27 length of strap, the width of two movable boss 26a and the upper surface width with bottom longitudinal direction to be installed I-steel 10 Matching.
As shown, the construction method of the steel girder bridge assembling support system, includes the following steps:
1) temporary rest pier 19 sets up temporary rest pier 19 using steel-pipe pile, and it is whole to carry out concrete to steel-pipe pile lower position Casting constitutes concrete foundation 8, completion is poured to steel-pipe pile lower part, using 24 pairs of drawing bandings of U-shaped steel, then in U-shaped steel 24 It arranges that Bailey bracket 31 forms crossbeam, and is laid with backing plate at bottom 18 on crossbeam, bridging is set with channel steel between adjacent steel-pipe pile 7;
2) installation of two sides lower boom 9 requires surveying and locating according to detail design, determines the position of side lower boom 9, and Side lower boom 9 is mounted on 31 top of Bailey bracket;
3) bottom transverse direction I-steel 11 and bottom longitudinal direction I-steel 10 are installed to side lower boom 9 after the installation is completed, are utilized Two end cross I-steel 23 are connected to the both ends of two sides lower boom 9 by bolt and I-shaped steel fastener 20, utilize assembly Bottom longitudinal direction I-steel 10 is mounted on end cross I-steel 23 by fixture, and the installation process of bottom longitudinal direction I-steel 10 is such as Under: successively chassis 33 is placed on backing plate at bottom 18, two straps 27 are placed on 23 corresponding position of end cross I-steel Place, bottom longitudinal direction I-steel 10 are placed on need position to be mounted, adjust position of the round bar 32 on slide slot 34, make two to consolidate Clamp plate 27 clamps bottom longitudinal direction I-steel 10, then adjusts ambulatory splint 26, is tightly attached to it with end cross I-steel 23 Together, motion bar 29 is rotated, button hole 30 is buckled on solid mouth 25;Using I-shaped steel fastener 20, bolt 21, by bottom longitudinal direction I-steel 10 is mounted on end cross I-steel 23;Bottom transverse direction I-steel 11 bottom is mounted on using identical method to indulge To on I-steel 10, bridge floor 22 is formed;
4) side diagonal web member 6, side erect web member 2, side top boom 3 and web member are first erected in side diagonal web member 6, side outside the venue 2 are installed to obtain assembly with side top boom 3, it is to be installed it is good after, assembly is hung to suitable position, and benefit using crane It is riveted on side lower boom 9 with bolt and special-shaped connecting plate 5;
5) top diagonal web member 12, the elongated straight-bar 13 in top be mounted on side erect web member 2 and 3 intersection of side top boom and Adjacent side is erected at the center of web member 2, and the elongated straight-bar 13 of bolt and the riveting of rectangular connecting panels 1 top is utilized;It is elongated straight to top After bar 13 installs, top diagonal web member 12 is riveted on the elongated straight-bar 13 in top and side top boom 3;
6) positive side top boom 14, positive side web member 15, positive side lower boom 17 are mounted on side and erect web member 2 and side top boom 3 Positive side lower boom 17 is arranged in parallel immediately below the elongated straight-bar 13 in the top of intersection, it is perpendicular that 17 both ends of positive side lower boom are fixed on side On web member 2, then positive side web member 15 is inclined between positive side top boom 14 and positive side lower boom 17, positive side top boom 14 with The elongated straight-bar 13 in top is arranged in parallel in the same plane;
7) floorings construction and installation;
8) temporary rest pier 19 and bottom door opening strutting system are removed.
Above-mentioned specific embodiment does not limit the technical solution of the utility model in any form, all to use equivalent replacement Or the mode technical solution obtained of equivalent transformation all falls within the protection scope of the utility model.

Claims (7)

1. steel girder bridge assembling support system, it is characterised in that splice system including bottom door opening strutting system and bridge top;
The bottom door opening strutting system, including two groups of parallel temporary rest piers (19), cooperation at the top of each temporary rest pier (19) Equipped with U-shaped steel (24), lateral arrangement Bailey bracket (31) forms rack beam, Bailey bracket on corresponding U-shaped steel (24) in two groups (31) backing plate at bottom (18) are equipped with, bridging (7) are set between adjacent temporary rest pier (19) in every group, temporary rest pier (19) bottom Portion is embedded to underground, and embedment region concrete grouting is closely knit, constitutes concrete foundation (8);
System is spliced on the bridge top, including the square surrounded by two side lower booms (9) and two radicle I-steel (23) Shape bridge floor frame, rectangle bridge floor frame are equipped with bridge floor (22), and side top boom (3) is arranged in parallel on side lower boom (9) Side, and staggeredly one group of abnormity connecting plate (5) of interval setting on side top boom (3) and side lower boom (9), side diagonal web member (6) web member (2) are erected and pass through special-shaped connecting plate (5) setting between side top boom (3) and side lower boom (9) with side, side Installation top diagonal web member (12) and the elongated straight-bar in top (13) on face top boom (3), two side top boom (3) ends respectively by The top elongated straight-bar parallel with positive side top boom (14) is arranged between erecting web member (2) in positive side top boom (14) connection, two sides (13), parallel positive side lower boom (17), positive side top boom (14) and positive side lower boom are set below positive side top boom (14) (17) positive side web member (15) are equipped between;Between the elongated straight-bar of positive side top boom (14) and top (13), adjacent top it is elongated straight Top diagonal web member (12) are equipped between bar (13).
2. steel girder bridge assembling support system according to claim 1, it is characterised in that bridge floor (22) is by bottom transverse direction work Word steel (11) is connected and composed by bolt (21) with I-shaped steel fastener (20) with bottom longitudinal direction I-steel (10).
3. steel girder bridge assembling support system according to claim 1, it is characterised in that under side top boom (3) and side Special-shaped connecting plate (5), and the special-shaped connecting plate (5) of side top boom (3) and side is arranged in uniform intervals respectively on the outside of chord member (9) The special-shaped connecting plate (5) of lower boom (9) is interspersed, and side diagonal web member (6) both ends are fixed on side top boom (3) and side On lower boom (9) on adjacent special-shaped connecting plate (5), side erects web member (2) one end and connects special-shaped connecting plate (5), and the other end connects Trapezoidal connecting plate (16) are connect, special-shaped connecting plate (5), trapezoidal connecting plate (16) connection side top boom (3) and side lower edge are passed through Bar (9).
4. steel girder bridge assembling support system according to claim 1, it is characterised in that erect on the inside of web member (2), push up in side The elongated straight-bar in portion (13), positive side top boom (14), several trapezoidal connecting plates (16) are arranged in uniform intervals on positive side lower boom (17), And positive side top boom (14) is staggered with trapezoidal connecting plate (16) position on positive side lower boom (17), the elongated straight-bar in top (13) identical as trapezoidal connecting plate (16) position on positive side top boom (14), the elongated straight-bar in top (13) and positive side top boom (14) top diagonal web member (12) are equipped between, top diagonal web member (12) on the outermost side, positive side web member (15) end connect respectively It connects on side top boom (3).
5. steel girder bridge assembling support system according to claim 1, it is characterised in that side top boom (3), side are perpendicular Web member (2), side diagonal web member (6), top diagonal web member (12), the elongated straight-bar in top (13), positive side top boom (14), positive side web member (15), positive side lower boom (17) is I-steel, and side lower boom (9) is U-shaped steel.
6. steel girder bridge assembling support system according to claim 1, it is characterised in that end cross I-steel (23) ruler Very little to be greater than bottom longitudinal direction I-steel (10) size, bottom longitudinal direction I-steel (10) size is greater than bottom transverse direction I-steel (11) ruler It is very little.
7. steel girder bridge assembling support system according to claim 1, it is characterised in that the elongated straight-bar in top (13) passes through Bolt and rectangular connecting panels (1) riveting are fixed on side and erect web member (2) and side top boom (3) intersection, the perpendicular abdomen of adjacent side At the center of bar (2).
CN201820634573.3U 2018-04-30 2018-04-30 Steel girder bridge assembling support system Active CN208685450U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792037A (en) * 2019-10-30 2020-02-14 中铁三局集团第六工程有限公司 Multipoint floor type steel frame protection method for bridge structure close to high-voltage line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792037A (en) * 2019-10-30 2020-02-14 中铁三局集团第六工程有限公司 Multipoint floor type steel frame protection method for bridge structure close to high-voltage line

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