CN101210419A - Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof - Google Patents

Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof Download PDF

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Publication number
CN101210419A
CN101210419A CNA200710168983XA CN200710168983A CN101210419A CN 101210419 A CN101210419 A CN 101210419A CN A200710168983X A CNA200710168983X A CN A200710168983XA CN 200710168983 A CN200710168983 A CN 200710168983A CN 101210419 A CN101210419 A CN 101210419A
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CN
China
Prior art keywords
girder
pier
concrete box
box girder
joist
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CNA200710168983XA
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Chinese (zh)
Inventor
马涛
李军堂
贾卫中
张瑞霞
毛伟琦
张维
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中铁大桥局股份有限公司
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Priority to CNA200710168983XA priority Critical patent/CN101210419A/en
Publication of CN101210419A publication Critical patent/CN101210419A/en

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Abstract

A small-radius curve upper concrete box girder adopts a bridge fabrication machine with inner and outer girder systems, which relates to a construction device for small-radius curve continuous girder and a method thereof. The bridge fabrication machine consists of an inner and an outer girder systems, wherein the inner girder system includes a bottom die and is supported in a preformed groove on a pier top at both ends, connected with the cantilever end of a concrete box girder at the middle portion and arranged below the bottom plate of the concrete box girder; the outer girder system includes a side die and a wing die and is supported on the inner girder at the front end, supported on a cast concrete box girder at the rear end, supported on a bracket near the pier at the middle portion and arranged on both sides of the concrete box girder. The inner and the outer girder systems are independent from each other and supplement each other. During passing holes, the inner and the outer girder systems travel respectively in such a manner that the inner girder travels to the right position on the basis of the outer girder, and the outer girder longitudinally travels on the support and a track provided by the inner girder. The planar deflections of the inner and the outer girders are achieved by a hydraulic jack in the traveling process.

Description

Small radius curve concrete box girder construction is with inside and outside beam system bridge fabrication machine and job practices thereof

Technical field

The wood invention relates to a kind of construction equipment and method thereof that is used for highway, railway sharp radius curve continuous beam.

Background technology

Conventional mobile formwork bridge fabrication machine mainly is applicable to straight line bridge or sweeping curve bridge construction, the engineering practice that is used for building the sharp radius curve continuous beam is still rare, present technique adopts inside and outside beam combination technology, solves bridge fabrication machine turns to difficulty in the traveling of sharp radius curve bridge construction problem.For bridge fabrication machine provides new mentality of designing at the sharp radius curve bridge construction.

Summary of the invention

The objective of the invention is in the traveling of sharp radius curve bridge construction, to turn to the problem of difficulty at bridge fabrication machine, aim to provide a kind of installation requirement of the prestressed concrete of anchoring type rope-suspension bridge contentedly top box beam, guarantee that the good linear small radius curve concrete box girder construction of bridge is with inside and outside beam system bridge fabrication machine and individual job practices thereof

The implementation of the object of the invention is, the inside and outside beam system bridge fabrication machine of small radius curve concrete box girder construction is made up of inner beam system, outer girder system system 2, template system 3, walking system 4, accessory structure 5:

Steel case beam 1 side of inner beam girder has prenasal frame 2, back nose frame 3, inner beam has 3 fulcrums, two be bearing in before pier shaft 30, back pier shaft 31 notches, one with concrete box girder cantilever end 29 by end structure and 34 lockings of hook beam, the preceding bridge of the nose 2, the back bridge of the nose 3 dock by bolt with steel case beam 1 front and back end

Outer girder system system: adopt shellfish thunder beam spelling to become twin-spar construction 4, the front fulcrum of outer beam on the preceding joist 14, central bearing point is that pier side bracket 33, rear fulcrum are hung on by end structure 34 and hook beam 41 on the cantilever end 29 of concreting case beam, the horizontal-associate that twin-spar construction is 4 is connected door frame 6 and is formed by preceding connection door frame 5, back

Template system: bed die 7 directly is supported on the interior joist steel case beam 1, wing plate mould 8 and side form 9 are supported on the shellfish thunder beam longeron 4 by sub-truss 10, and 9 of wing plate mould 8 and side forms are hinged, are provided with interim bindiny mechanism 11 between bed die and side form, side form is provided with height regulating block 12, bed die strut 13

Walking system: mainly form by preceding joist 14, back joist 15, front leg strut 16, rear support leg 17 and attached travel structure, vertical shift is arranged with hydraulic system 18, inner beam traveling haulage cable 19, traversing jack 20, the traversing jack 21 of outer beam, the traversing jack 22 of inner beam, slide 23, outer beam vertical shift mechanism 24, slideway 25, piston shoes 26, spiral top 27, oil cylinder 28

Accessory structure 5: comprise the concrete box girder 29 poured into a mould, preceding pier shaft 30, back pier shaft 31, traveling put in place pier shaft 32, bracket 33, end structure 34, top rail 35, inner beam support helix top 36, jack 37, column 38, hanging beam 39, suspension rod 40, hook beam 41, cat ladder 42.

Small radius curve concrete box girder construction is as follows with inside and outside beam system bridge fabrication machine construction sequence:

Step 1,

(1) mobile formwork bridge fabrication machine is in place, and the top lifting of inner beam front and rear fulcrum oil cylinder is adjacent to bed die 7 and concrete box girder,

(2) side form 8 is in place and fixing,

(3) colligation concrete beam section to be poured base plate and web reinforcement, upright box girder inner formwork; Colligation concrete box girder top board reinforcing bar,

(4) adjust rear fulcrum oil cylinder height, push up the 100t counter-force in advance, make bed die be adjacent to concrete box girder, be positioned at box girder cantilever end 7m place the locking of steel case beam,

(5) build case beam concrete, maintenance reaches prescribed strength posttension straining beam body presstressed reinforcing steel,

Step 2:

(1) locking device of forward and backward pier 30,31 Dun Ding of releasing inner beam, the locking system of releasing case beam,

(2) inner beam front and rear fulcrum oil cylinder is regained, and inner beam descends and is bearing on front and back joist and the Dun Ding, removes bed die, side form,

(3) hoist engine of beam rear part in the startup tightens up wire rope, stop after the traction inner beam reach 15.42,

Step 3: the sideslip oil cylinder before and after starting on the joist, inner beam is rotated around central point, the O point clockwise direction (overlooking) of Dun31Ding, intersect at mid point, the P point of the pier center line of pier 32 until the central axis extended line of inner beam,

Step 4:

(1) inner beam is along its central axis direction reach, and inner beam is bearing on Dun32Ding and the preceding joist,

(2) open preceding joist sideslip oil cylinder, make the axis of inner beam pass through P, Q 2 points,

(3) open in the bed die of back, the top lifting of inner beam front and rear fulcrum oil cylinder, inner beam rises to the operating position,

Step 5:

(1) separate except suspension rod between beam and concrete box girder, the bracket of removing pier 31 supports, outer girder system system decline 35mm is supported on the inner beam tread at the concrete box back at shellfish thunder frame rear cross beam place and top rail place,

(2) girder system system reach 10m outside shellfish thunder frame rear cross beam place pushing tow, the clockwise deflection of outer girder system system front fulcrum crossbeam, so that side form does not bump the concrete box web, hinder outer beam traveling to be as the criterion,

Step 6: outer girder system system continues reach, and clockwise direction deflection, and back joist recovers to install the bearing pin that is removed by pier 31 by the back,

Step 7:

(1) outer girder system system continues reach arrival operating position, and joist recovers to install the bearing pin that is removed by pier 32 by the back,

(2) arrive designing requirement according to the plan-position of beam outside the principle adjustment of system's centering,

(3) outer beam support system is transformed into pier 32 and has built the cantilever end of case beam,

(4) inner beam drops to the operating position, and template is in place to be that the construction concrete box girder is prepared.

This bridge fabrication machine adopts inside and outside beam combination technology, solves bridge fabrication machine turns to difficulty in the traveling of sharp radius curve bridge construction problem.For bridge fabrication machine provides new mentality of designing at the sharp radius curve bridge construction.Safe and reliable, simple to operate, easy to maintenance.This bridge fabrication machine can be used for reference the construction that is applied to other sharp radius curve bridge superstructure cast-in-situ box girder.

Figure of description

Fig. 1 is the outer girder system system of a bridge fabrication machine elevation

Fig. 2 is a bridge fabrication machine inner beam system elevation

Fig. 3 is the bridge fabrication machine plan view

Fig. 4 is the rear support leg schematic cross-sectional view

Fig. 5 is a back joist schematic cross-sectional view

Fig. 6 is preceding joist schematic cross-sectional view

Fig. 7 is that the back connects the door frame schematic cross-sectional view

Fig. 8 is preceding connection door frame schematic cross-sectional view

Fig. 9 is template and grillage section arrangement diagram

Figure 10 moves the structure elevation in length and breadth

Figure 11 a, b-Figure 16 a, b are bridge fabrication machine construction sequence master, vertical view

The specific embodiment

With reference to Fig. 1-10, this bridge fabrication machine is made up of inner beam system, outer girder system system 2, template system 3, walking system 4, accessory structure 5.

The inner beam system is made up of steel case beam 1, prenasal frame 2, back nose frame 3, and inner beam is bearing on preceding pier shaft 30, the back pier shaft 31, and the preceding bridge of the nose 2, the back bridge of the nose 3 dock by bolt with steel case beam 1 front and back end,

Outer girder system system: adopt shellfish thunder beam spelling to become twin-spar construction 4, front fulcrum on preceding joist 14, central bearing point is that pier side bracket 33, rear fulcrum are hung on the cantilever end 29 by end structure 34 and hook beam 41, the horizontal-associate that twin-spar construction is 4 is connected door frame 6 and is formed by preceding connection door frame 5, back.

Template system: form by bed die 7, wing plate mould 8, side form 9, bed die 7 is on interior joist steel case beam 1, wing plate mould 8 and side form 9 are on Bei Leiliang longeron 4,9 of wing plate mould 8 and side forms adopt the hinged form removal of being convenient to, be provided with interim bindiny mechanism 11 between bed die and side form, side form is provided with height regulating block 12, the convenient height of adjusting.

Walking system: mainly form by preceding joist 14, back joist 15, front leg strut 16, rear support leg 17 and attached travel structure.

Accessory structure: comprise the concrete box girder of having poured into a mould 29, preceding pier shaft 30, back pier shaft 31, the traveling pier shaft 32 that puts in place, bracket 33, end structure 34, top rail 35, inner beam support helix top 36, jack 37, column 38, hanging beam 39, suspension rod 40, hook beam 41, cat ladder 42 etc.

With reference to Figure 11-16, small radius curve concrete box girder construction is as follows with inside and outside beam system bridge fabrication machine construction sequence:

Step 1 (referring to Figure 11 a, b):

(1) mobile formwork bridge fabrication machine is in place, and the top lifting of inner beam front and rear fulcrum oil cylinder is adjacent to bed die 7 and concrete box girder,

(2) side form 8 is in place and fixing,

(3) colligation concrete beam section to be poured base plate and web reinforcement, upright box girder inner formwork; Colligation concrete box girder top board reinforcing bar,

(4) adjust rear fulcrum oil cylinder height, push up the 100t counter-force in advance, make bed die be adjacent to concrete box girder, be positioned at box girder cantilever end 7m place the locking of steel case beam,

(5) build case beam concrete, maintenance reaches prescribed strength posttension straining beam body presstressed reinforcing steel,

Step 2 (referring to Figure 12 a, b):

(1) locking device of forward and backward pier 30,31 Dun Ding of releasing inner beam, the locking system of releasing case beam,

(2) inner beam front and rear fulcrum oil cylinder is regained, and inner beam descends and is bearing on front and back joist and the Dun Ding, removes bed die, side form,

(3) hoist engine of beam rear part in the startup tightens up wire rope, stop after the traction inner beam reach 15.42,

Step 3 (referring to Figure 13 a, b): the sideslip oil cylinder before and after starting on the joist, inner beam is rotated around central point, the O point clockwise direction (overlooking) of Dun31Ding, intersect at mid point, the P point of the pier center line of pier 32 until the central axis extended line of inner beam,

Step 4 (referring to Figure 14 a, b):

(1) inner beam is along its central axis direction reach, and inner beam is bearing on Dun32Ding and the preceding joist,

(2) open preceding joist sideslip oil cylinder, make the axis of inner beam pass through P, Q 2 points,

(3) open in the bed die of back, the top lifting of inner beam front and rear fulcrum oil cylinder, inner beam rises to the operating position,

Step 5 (referring to Figure 15 a, b):

(1) separate except suspension rod between beam and concrete box girder, the bracket of removing pier 31 supports, outer girder system system decline 35mm is supported on the inner beam tread at the concrete box back at shellfish thunder frame rear cross beam place and top rail place,

(2) girder system system reach 10m outside shellfish thunder frame rear cross beam place pushing tow, the clockwise deflection of outer girder system system front fulcrum crossbeam, so that side form does not bump the concrete box web, hinder outer beam traveling to be as the criterion,

Step 6 (referring to Figure 16 a, b): outer girder system system continues reach, and clockwise direction deflection, and back joist recovers to install the bearing pin that is removed by pier 31 by the back,

Step 7:

(1) outer girder system system continues reach arrival operating position, and joist recovers to install the bearing pin that is removed by pier 32 by the back,

(2) arrive designing requirement according to the plan-position of beam outside the principle adjustment of system's centering,

(3) outer beam support system is transformed into pier 32 and has built the cantilever end of case beam,

(4) inner beam drops to the operating position, and template is in place to be that the construction concrete box girder is prepared.

Claims (2)

1. the used inside and outside beam system bridge fabrication machine of small radius curve concrete box girder construction is characterized in that being made up of inner beam system, outer girder system system (2), template system (3), walking system (4), accessory structure (5):
Steel case beam (1) side of inner beam girder has prenasal frame (2), back nose frame (3), inner beam has 3 fulcrums, two are bearing in preceding pier shaft (30), back pier shaft (31) notch, one with concrete box girder cantilever end (29) by the locking of end structure and hook beam (34), the preceding bridge of the nose (2), the back bridge of the nose (3) dock by bolt with steel case beam (1) front and back end
Outer girder system system: adopt shellfish thunder beam spelling to become twin-spar construction (4), the front fulcrum of outer beam is gone up at preceding joist (14), central bearing point is pier side bracket (33), rear fulcrum is hung on the cantilever end of concreting case beam (29) by holding structure (34) and hook beam (41), horizontal-associate between twin-spar construction (4) is connected door frame (6) and is formed by preceding connection door frame (5), back
Template system: bed die (7) directly is supported on the interior joist steel case beam (1), wing plate mould (8) and side form (9) are supported on the shellfish thunder beam longeron (4) by sub-truss (10), hinged between wing plate mould (8) and side form (9), be provided with interim bindiny mechanism (11) between bed die and side form, side form is provided with height regulating block (12), bed die strut (13)
Walking system: mainly form by preceding joist (14), back joist (15), front leg strut (16), rear support leg (17) and attached travel structure, there is vertical shift to push up (27), oil cylinder (28) with hydraulic system (18), inner beam traveling haulage cable (19), traversing jack (20), the traversing jack of outer beam (21), the traversing jack of inner beam (22), slide (23), outer beam vertical shift mechanism (24), slideway (25), piston shoes (26), spiral
Accessory structure (5): comprise the concrete box girder of having poured into a mould (29), preceding pier shaft (30), back pier shaft (31), traveling put in place pier shaft (32), bracket (33), end structure (34), top rail (35), inner beam support helix top (36), jack (37), column (38), hanging beam (39), suspension rod (40), hook beam (41), cat ladder (42).
2. the described small radius curve concrete box girder construction of claim 1 is characterized in that construction sequence is as follows with the job practices of inside and outside beam system bridge fabrication machine:
Step 1,
1) mobile formwork bridge fabrication machine is in place, and the top lifting of inner beam front and rear fulcrum oil cylinder is adjacent to bed die (7) and concrete box girder,
2) side form (8) is in place and fixing,
3) colligation concrete beam section to be poured base plate and web reinforcement, upright box girder inner formwork; Colligation concrete box girder top board reinforcing bar,
4) adjust rear fulcrum oil cylinder height, push up the 100t counter-force in advance, make bed die be adjacent to concrete box girder, the 7m place that is positioned at box girder cantilever end (29) locks steel case beam,
5) build case beam concrete, maintenance reaches prescribed strength posttension straining beam body presstressed reinforcing steel,
Step 2:
1) locking device of the forward and backward Dun Dunding of releasing inner beam, the locking system of releasing case beam,
2) inner beam front and rear fulcrum oil cylinder is regained, and inner beam descends and is bearing on front and back joist and the Dun Ding, removes bed die, side form,
3) hoist engine of beam rear part in the startup tightens up wire rope, stop after the traction inner beam reach 15.42,
Step 3:
Sideslip oil cylinder before and after starting on the joist makes inner beam rotate around central point, the O point clockwise direction on pier (30) top, intersects at mid point, the P point of the pier center line of pier (32) until the central axis extended line of inner beam,
Step 4:
1) inner beam is along its central axis direction reach, and inner beam is bearing on pier (32) top and the preceding joist (14),
2) open preceding joist sideslip oil cylinder, make the axis of inner beam pass through P, Q 2 points,
3) open in the bed die of back, the top lifting of inner beam front and rear fulcrum oil cylinder, inner beam rises to the operating position,
Step 5:
1 separate except being connected between beam and concrete box girder, the bracket of removing pier (30) supports, outer girder system system decline 35mm is supported on the inner beam tread at the concrete box back at shellfish thunder frame rear cross beam place and top rail place,
2 outside shellfish thunder frame rear cross beam place pushing tow girder system system reach 10m, the clockwise deflection of outer girder system system front fulcrum crossbeam so that side form does not bump the concrete box web, hinder outer beam traveling to be as the criterion,
Step 6:
Outer girder system system continues reach, and clockwise direction deflection, and back joist recovers to install the bearing pin that is removed by pier (31) by the back,
Step 7:
1) outer girder system system continues reach arrival operating position, and joist recovers to install the bearing pin that is removed by pier (32) by the back,
2) arrive designing requirement according to the plan-position of beam outside the principle adjustment of system's centering,
3) outer beam support system is transformed into pier (32) and has built the cantilever end of case beam,
4) inner beam drops to the operating position, and template is in place to be that the construction concrete box girder is prepared.
CNA200710168983XA 2007-12-21 2007-12-21 Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof CN101210419A (en)

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CNA200710168983XA CN101210419A (en) 2007-12-21 2007-12-21 Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof

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Application Number Priority Date Filing Date Title
CNA200710168983XA CN101210419A (en) 2007-12-21 2007-12-21 Inside and outside beam system bridge fabrication machine for small radius curve concrete box girder construction and construction method thereof

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892633A (en) * 2010-07-22 2010-11-24 中交第二航务工程局有限公司 Self-propelled small radius movable mould frame
CN101660296B (en) * 2009-09-08 2011-01-26 中铁九局集团有限公司 Method for casting concrete 0# block support by continuous beam cantilever
CN102134833A (en) * 2011-02-21 2011-07-27 中国一冶集团有限公司 Construction method for hoisting and disassembling bailey truss
CN102267176A (en) * 2011-07-12 2011-12-07 梁铭康 Bridge beam construction device
CN102294748A (en) * 2011-07-12 2011-12-28 梁铭康 Bridge body construction equipment
CN102720134A (en) * 2011-03-31 2012-10-10 江苏恩纳斯重工机械有限公司 Movable mould frame bridge fabrication machine with rotary folding cross beam
CN102995568A (en) * 2013-01-10 2013-03-27 长安大学 Movable connecting device between nose bridge and main bridge of movable formwork
CN103215895A (en) * 2013-04-28 2013-07-24 山东博瑞重型机械有限公司 Novel uplink curve moving framework
CN104999548A (en) * 2015-06-30 2015-10-28 中铁二十三局集团有限公司 Mechanical template system of curved magnetic levitation track beam and application method of mechanical template system
CN105803951A (en) * 2016-03-24 2016-07-27 王文龙 Mutual track device of supporting system which is fixed or can be opened and closed and guide system
CN105839547A (en) * 2016-06-12 2016-08-10 中铁二局集团有限公司 Adjustable small-radius bridge girder erection machine and bridge girder erection method
CN106120563A (en) * 2016-07-14 2016-11-16 德州市公路工程总公司 Cast-in-situ box girder Combined movable mould bases and construction method thereof
CN106836000A (en) * 2017-04-06 2017-06-13 中铁六局集团有限公司 Curve via holes Summarized Account of Bridge Erection Construction method based on DJ series Bridge Erectors
CN106835992A (en) * 2017-03-03 2017-06-13 广州市第二市政工程有限公司 A kind of arcuate structure clear-water concrete construction of cast-in-situ box-beam method
CN108643056A (en) * 2018-06-25 2018-10-12 中交路桥建设有限公司 Complex curve steel box-girder pushing tow drag construction method

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660296B (en) * 2009-09-08 2011-01-26 中铁九局集团有限公司 Method for casting concrete 0# block support by continuous beam cantilever
CN101892633A (en) * 2010-07-22 2010-11-24 中交第二航务工程局有限公司 Self-propelled small radius movable mould frame
CN102134833A (en) * 2011-02-21 2011-07-27 中国一冶集团有限公司 Construction method for hoisting and disassembling bailey truss
CN102134833B (en) * 2011-02-21 2012-09-05 中国一冶集团有限公司 Construction method for hoisting and disassembling bailey truss
CN102720134A (en) * 2011-03-31 2012-10-10 江苏恩纳斯重工机械有限公司 Movable mould frame bridge fabrication machine with rotary folding cross beam
CN102267176A (en) * 2011-07-12 2011-12-07 梁铭康 Bridge beam construction device
CN102294748A (en) * 2011-07-12 2011-12-28 梁铭康 Bridge body construction equipment
CN102995568A (en) * 2013-01-10 2013-03-27 长安大学 Movable connecting device between nose bridge and main bridge of movable formwork
CN103215895A (en) * 2013-04-28 2013-07-24 山东博瑞重型机械有限公司 Novel uplink curve moving framework
CN104999548B (en) * 2015-06-30 2018-02-13 中铁二十三局集团有限公司 Magnetic floats the mechanical template system of curve track beam and application method
CN104999548A (en) * 2015-06-30 2015-10-28 中铁二十三局集团有限公司 Mechanical template system of curved magnetic levitation track beam and application method of mechanical template system
CN105803951A (en) * 2016-03-24 2016-07-27 王文龙 Mutual track device of supporting system which is fixed or can be opened and closed and guide system
CN105839547A (en) * 2016-06-12 2016-08-10 中铁二局集团有限公司 Adjustable small-radius bridge girder erection machine and bridge girder erection method
CN106120563A (en) * 2016-07-14 2016-11-16 德州市公路工程总公司 Cast-in-situ box girder Combined movable mould bases and construction method thereof
CN106120563B (en) * 2016-07-14 2017-09-08 德州市公路工程总公司 Construction method based on Combined movable mould bases cast-in-situ box girder
CN106835992A (en) * 2017-03-03 2017-06-13 广州市第二市政工程有限公司 A kind of arcuate structure clear-water concrete construction of cast-in-situ box-beam method
CN106835992B (en) * 2017-03-03 2018-08-24 广州市第二市政工程有限公司 A kind of arcuate structure clear-water concrete construction of cast-in-situ box-beam method
CN106836000A (en) * 2017-04-06 2017-06-13 中铁六局集团有限公司 Curve via holes Summarized Account of Bridge Erection Construction method based on DJ series Bridge Erectors
CN108643056A (en) * 2018-06-25 2018-10-12 中交路桥建设有限公司 Complex curve steel box-girder pushing tow drag construction method
CN108643056B (en) * 2018-06-25 2019-08-23 中交路桥建设有限公司 Complex curve steel box-girder pushing tow drag construction method

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Open date: 20080702