CN106284102A - The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method - Google Patents

The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method Download PDF

Info

Publication number
CN106284102A
CN106284102A CN201610699102.6A CN201610699102A CN106284102A CN 106284102 A CN106284102 A CN 106284102A CN 201610699102 A CN201610699102 A CN 201610699102A CN 106284102 A CN106284102 A CN 106284102A
Authority
CN
China
Prior art keywords
cable
rib
steel tube
calm
sections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610699102.6A
Other languages
Chinese (zh)
Inventor
苏春生
张新柳
徐少平
饶胜斌
何十美
梁朋刚
孙百锋
郝玉峰
汤振亚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Construction Bridge Engineering Bureau Group Co Ltd
Original Assignee
China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Construction Bridge Engineering Bureau Group Co Ltd filed Critical China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority to CN201610699102.6A priority Critical patent/CN106284102A/en
Publication of CN106284102A publication Critical patent/CN106284102A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • E01D21/10Cantilevered erection
    • 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
    • E01D4/00Arch-type bridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses the double rib lifting of the calm cable in a kind of mountain area greatly across tubular arch segmental construction engineering method, by preparation of construction, sections solid spelling group, lift by crane and carry out para-position and bolt knot, erection knotted rope stretch-draw, close up and the step such as shackle have step simply, be applicable to arc manipulation part with a varied topography, anhydrous, feature without whole sections land transportation condition.Utilize access bridge to carry out three-dimensional spelling, bolting and welding, effectively control physical dimension.Using and carry out rib-lifting section installation without tower cable crane, para-position is fast, safe and reliable.Use novel erection, it is ensured that closure front-end geometry is stable.Take double rib to install under the conditions of calm cable, single rib adjustment is aided with shimming mode and carries out axis trimming.Symmetrical cantilever, dynamic instantaneous closure, arch rib line type control precision is high, and constructing operation is convenient.

Description

The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method
Technical field
The present invention relates to construction, especially one is mainly used in arc manipulation part with a varied topography, anhydrous, without whole stage land The double rib lifting of the calm cable in mountain area of arc manipulation part is big across tubular arch segmental construction engineering method.
Background technology
In bridge construction, can construct in the way of using the lifting of sections whole Transporting in the place good for terrain environment, For there being water transport condition, can the most by sea send, then sections, easy construction are installed in lifting.But for a varied topography, Anhydrous arc manipulation part, without whole sections land transportation condition, traditional handicraft steel tube arch rib installation wind cable cannot be used, also without suitable at bridge location Assembled place, then need to use additive method construction.
Summary of the invention
It is an object of the invention to: a kind of step of offer is simple, be applicable to arc manipulation part with a varied topography, anhydrous, without whole sections The double rib lifting of the calm cable in mountain area of land transportation condition is big across tubular arch segmental construction engineering method.
The present invention is achieved through the following technical solutions: the double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method, Comprise the following steps:
A, preparation of construction, complete the installation of Lift-on/Lift-off System and the preparation of construction material;
B, sections solid spelling group, by the use of Lift-on/Lift-off System, by steel tube arch rib sections solid spelling group;
After c, steel tube arch rib sections solid spelling group complete, finely lift by crane and carry out para-position and bolt knot;
D, by erection to bolt tie after steel tube arch rib sections knotted rope stretch-draw fix;
E, repetition step b to d spelling group complete the spelling group of all steel tube arch rib sections;
F, close up and shackle, when all steel tube arch rib sections para-positions and bolt have been tied, realize closing up, to be welded fixed Then can be with removal knotted rope.
In described step a, the cable crane without tower that described Lift-on/Lift-off System includes, this includes without tower cable crane Hauling rope, hoisting rope, chain type prop up cable system, lifting sport car and the hoist engine of correspondence.
In described step b, install under lower chord tube and horizontal-associate rod member therebetween and centre during spelling group the n-th sections steel tube arch rib Stull and web member;Two adjacent web members are fixed with temporary connection, draw guy or add support, to prevent from toppling over;Then n-th is installed The diagonal brace of sections steel tube arch rib, and by its gusset plate bolt being connected with the pipe that winds up in diagonal brace upper end;By on the n-th sections steel tube arch rib Assemble on string pipe and the bridge floor between two steel tube arch ribs of the horizontal-associate rod member therebetween, be then installed on design attitude.
Described erection includes prefabricated foundation, prestress anchorage cable, abutment, box beam, anchor beam and border pier, institute The border pier stated is arranged on bank, and bottom is provided with skewback, and described anchor beam is arranged on border pier top;Described prefabricated base Plinth is arranged on the bank, and described prestress anchorage cable is embedded in this prefabricated foundation;Described abutment is near prefabricated foundation, and passes through case Beam and tail rope are connected with anchor beam;Based on skewback, being sequentially connected with n steel tube arch rib, each steel tube arch rib all passes through knotted rope It is connected with anchor beam.
In described step d, the when of carrying out knotted rope stretch-draw, without tower cable crane pine hook, Suo Ligao range monitoring simultaneously.
The gusset plate coordinated with knotted rope it is provided with on described steel tube arch rib.
Described steel tube arch rib includes main chord tube and crossbar connected vertically with this main chord tube, also includes and main string Pipe and with this main chord tube place plane mullion connected vertically.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) lifting of the calm cable in the mountain area of the present invention double rib is greatly across tubular arch segmental construction engineering method, and step is simple, it is multiple to be applicable to landform Arc manipulation part miscellaneous, anhydrous, big across tubular arch segmental construction engineering method without the calm cable in mountain area double rib lifting of whole sections land transportation condition.
(2) utilize access bridge to carry out three-dimensional spelling, bolting and welding, effectively control physical dimension.Use without tower cable lifting Machine carries out rib-lifting section installation, and para-position is fast, safe and reliable.Use novel erection, it is ensured that closure front-end geometry is stable. Take double rib to install under the conditions of calm cable, single rib adjustment is aided with shimming mode and carries out axis trimming.Symmetrical cantilever, the most instantaneous Closure, arch rib line type control precision is high, and constructing operation is convenient.
Accompanying drawing explanation
Fig. 1 is that the calm cable in mountain area double rib lifting of the present invention is greatly across a kind of structured flowchart of tubular arch segmental construction engineering method;
Fig. 2 is the signal of the calm cable in mountain area double rib big erection across tubular arch segmental construction engineering method of lifting of the present invention Figure;
Fig. 3 is the structure of the calm cable in mountain area double rib big steel tube arch rib sections across tubular arch segmental construction engineering method of lifting of the present invention Schematic diagram;
In figure, 1 skewback, 2 border pier, 3 anchor beams, 4 steel tube arch ribs, 5 box beams, 6 tail ropes, 7 abutments, 8 Prestress anchorage cable, 9 knotted ropes, 10 gusset plates, 11 spandrel columns, 12 main chord tubes, 13 ribs, 14 steel case lid beams, 15 bridge floors.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is conducted further description, but embodiments of the present invention are not limited to this.
Embodiment 1:
As it is shown in figure 1, the double rib lifting of the calm cable in the mountain area of the present invention is big across tubular arch segmental construction engineering method, comprise the following steps:
A, preparation of construction, complete the installation of Lift-on/Lift-off System and the preparation of construction material;
B, sections solid spelling group, by the use of Lift-on/Lift-off System, by steel tube arch rib 4 sections solid spelling group;
After c, steel tube arch rib 4 sections solid spelling group complete, finely lift by crane and carry out para-position and bolt knot;
D, by erection to bolt tie after steel tube arch rib 4 sections knotted rope stretch-draw fix;
E, repetition step b to d spelling group complete the spelling group of all steel tube arch rib 4 sections;
F, close up and shackle, when all steel tube arch rib 4 sections para-positions and bolt have been tied, realize closing up, to be welded fixed Then can be with removal knotted rope.
The double rib lifting of the calm cable in mountain area of the present invention is greatly across tubular arch segmental construction engineering method, and step is simple, be applicable to landform Arc manipulation part complicated, anhydrous, big across tubular arch segmental construction engineering method without the calm cable in mountain area double rib lifting of whole sections land transportation condition.
It should be noted that above-mentioned construction procedure is the single-ended construction of the bridge said, Specific construction when, the two of bridge End is constructed simultaneously, closes up at middle part, with accelerating construction progress, improves efficiency.
Embodiment 2:
As it is shown on figure 3, as preferred, in described step a, the cable crane without tower that described Lift-on/Lift-off System includes, should Cable crane without tower includes that hauling rope, hoisting rope, chain type prop up cable system, lifting sport car and the hoist engine of correspondence, convenient tune Fortune steel tube arch rib 4 and bridge floor 15 etc..When construction, first lift described steel tube arch rib 4, then at described steel tube arch rib 4 upper surface mounting arch upper pillar stands 11, described spandrel column 11 top connects has steel case lid beam 14, on the top of this steel case lid beam 14 Bridge floor 15 is installed in portion.
Embodiment 3:
As preferably, in described step b, lower chord tube and horizontal-associate rod member therebetween are installed during spelling group the n-th sections steel tube arch rib 4 With middle lower brace and web member;Two adjacent web members are fixed with temporary connection, draw guy or add support, to prevent from toppling over;So The diagonal brace of rear installation the n-th sections steel tube arch rib 4, and by its gusset plate bolt being connected with the pipe that winds up in diagonal brace upper end;By the n-th sections Steel tube arch rib 4 winds up and assembles on pipe and the horizontal-associate rod member therebetween bridge floor between two steel tube arch ribs 4, is then installed on design position Put.
Embodiment 4:
As preferably, described erection include prefabricated foundation, prestress anchorage cable 8, abutment 7, box beam 5, anchor beam 3 with And border pier 2, described border pier 2 is arranged on bank, and bottom is provided with skewback 1, and described anchor beam 3 is arranged on border pier 2 Top;Described prefabricated foundation is arranged on the bank, and described prestress anchorage cable 8 is embedded in this prefabricated foundation;Described abutment 7 leans on Nearly prefabricated foundation, and be connected with anchor beam 3 by box beam 5 and tail rope 6;Based on skewback 1, it is sequentially connected with n steel tube arch rib 4, each steel tube arch rib 4 is all connected with anchor beam 3 by knotted rope 9.It should be noted that prefabricated foundation is generally concrete, permissible Use C35 concrete.
Embodiment 5:
As in figure 2 it is shown, as preferably, in described step d, the when of carrying out knotted rope stretch-draw, without tower cable crane pine hook, Suo Ligao range monitoring simultaneously.It is monitored with two PENTAX-V2 total powerstations in conjunction with two sides landform.Each sections installation After, adjust knotted rope 9, make each measuring point elevation and axial line control in allowed band.
Embodiment 6:
As in figure 2 it is shown, as preferably, described steel tube arch rib 4 is provided with the gusset plate 10 coordinated with knotted rope 9.Described The gusset plate 10 coordinated with knotted rope 9 it is provided with on steel tube arch rib 4.For reducing traditional gusset plate due to weld seam too much to main structure The adverse effect brought, the gusset plate 10 of the section of hanging stayed-buckle cable uses the steel anchor beam arranged under the steel pipe that winds up, and connects lifting Steel tube arch rib 4 and knotted rope 9.
Embodiment 7:
As in figure 2 it is shown, as preferably, described steel tube arch rib 4 includes main chord tube 12 and main chord tube 12 is vertical is connected arch with this Rib stull, also include with main chord tube 12 and with this main chord tube 12 place plane mullion connected vertically, for increase support strength, Typically it is additionally provided with rib 13.It should be noted that steel anchor beam supports arch rib by the gusset plate 10 of steel tube arch rib 4, and with spiral shell Bolt is connected with the batten plate of arch rib nodes plate 10 temporarily.Steel anchor beam is formed by Plate Welding, sets according to knotted rope 9 position and Suo Li difference Putting, at gusset plate 10, main chord tube 12 and gusset plate 10 have carried out local strengthening, for the Suo Li knotted rope more than 1000kN each Work shape block reaction frame is added at gusset plate 10.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.

Claims (7)

1. the lifting of the calm cable in mountain area double rib is big across tubular arch segmental construction engineering method, it is characterised in that comprise the following steps:
A, preparation of construction, complete the installation of Lift-on/Lift-off System and the preparation of construction material;
B, sections solid spelling group, by the use of Lift-on/Lift-off System, by steel tube arch rib (4) sections solid spelling group;
After c, steel tube arch rib (4) sections solid spelling group complete, finely lift by crane and carry out para-position and bolt knot;
D, by erection to bolt tie after the knotted rope stretch-draw of steel tube arch rib (4) sections fix;
E, repetition step b to d spelling group complete the spelling group of all steel tube arch ribs (4) sections;
F, close up and shackle, when all steel tube arch ribs (4) sections para-position and bolt have been tied, realize closing up, to be welded fixed Cheng Zeke is with removal knotted rope.
The double rib lifting of the calm cable in mountain area the most according to claim 1 is big across tubular arch segmental construction engineering method, it is characterised in that: In described step a, the cable crane without tower that described Lift-on/Lift-off System includes, this without tower cable crane include hauling rope, Hoisting rope, chain type prop up cable system, lifting sport car and the hoist engine of correspondence.
The double rib lifting of the calm cable in mountain area the most according to claim 1 is big across tubular arch segmental construction engineering method, it is characterised in that: In described step b, lower chord tube and horizontal-associate rod member therebetween and middle lower brace are installed during spelling group the n-th sections steel tube arch rib (4) And web member;Two adjacent web members are fixed with temporary connection, draw guy or add support, to prevent from toppling over;Then n-th sections is installed The diagonal brace of steel tube arch rib (4), and by its gusset plate bolt being connected with the pipe that winds up in diagonal brace upper end;By the n-th sections steel tube arch rib (4) Wind up and assemble on pipe and the horizontal-associate rod member therebetween bridge floor between two steel tube arch ribs (4), be then installed on design attitude.
The double rib lifting of the calm cable in mountain area the most as claimed in any of claims 1 to 3 is big across tubular arch segmental construction work Method, it is characterised in that: described erection includes prefabricated foundation, prestress anchorage cable (8), abutment (7), box beam (5), anchor Beam (3) and border pier (2), described border pier (2) is arranged on bank, and bottom is provided with skewback (1), described anchor beam (3) border pier (2) top it is arranged on;Described prefabricated foundation is arranged on the bank, and it is prefabricated that described prestress anchorage cable (8) is embedded in this In basis;Described abutment (7) is near prefabricated foundation, and is connected with anchor beam (3) by box beam (5) and tail rope (6);With skewback (1) based on, being sequentially connected with n steel tube arch rib (4), each steel tube arch rib (4) is all connected with anchor beam (3) by knotted rope (9).
The double rib lifting of the calm cable in mountain area the most according to claim 4 is big across tubular arch segmental construction engineering method, it is characterised in that: In described step d, the when of carrying out knotted rope stretch-draw, without tower cable crane pine hook, Suo Ligao range monitoring simultaneously.
The double rib lifting of the calm cable in mountain area the most according to claim 5 is big across tubular arch segmental construction engineering method, it is characterised in that: The gusset plate (10) coordinated with knotted rope (9) it is provided with on described steel tube arch rib (4).
The double rib lifting of the calm cable in mountain area the most according to claim 6 is big across tubular arch segmental construction engineering method, it is characterised in that: Described steel tube arch rib (4) include main chord tube (12) and with this main chord tube (12) crossbar connected vertically, also include with Main chord tube (12) and with this main chord tube (12) place plane mullion connected vertically.
CN201610699102.6A 2016-08-22 2016-08-22 The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method Pending CN106284102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610699102.6A CN106284102A (en) 2016-08-22 2016-08-22 The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610699102.6A CN106284102A (en) 2016-08-22 2016-08-22 The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method

Publications (1)

Publication Number Publication Date
CN106284102A true CN106284102A (en) 2017-01-04

Family

ID=57662083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610699102.6A Pending CN106284102A (en) 2016-08-22 2016-08-22 The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method

Country Status (1)

Country Link
CN (1) CN106284102A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108252201A (en) * 2018-03-23 2018-07-06 中铁二院工程集团有限责任公司 A kind of connecting structure of four braced arch circles and the upper steel column of queen post arch
CN108978491A (en) * 2018-09-25 2018-12-11 中铁二局第五工程有限公司 A kind of full bolt trussed bridge closure method
CN110565534A (en) * 2019-09-28 2019-12-13 中铁十八局集团第二工程有限公司 construction method for assembling continuous steel box girder by cantilever
CN114197327A (en) * 2022-01-24 2022-03-18 广西路桥工程集团有限公司 Steel pipe arch rib cantilever assembling method for loosening lifting point and installing buckle cable

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620248B2 (en) * 1972-12-25 1981-05-12
JP2004232296A (en) * 2003-01-29 2004-08-19 Ishikawajima Harima Heavy Ind Co Ltd Arch bridge and arcuate frame structure
CN201620360U (en) * 2010-04-28 2010-11-03 中铁二十局集团有限公司 Vertical precasting pedestal for arch rib of bowstring arch bridge
CN102704400A (en) * 2012-05-28 2012-10-03 宁波二十冶建设有限公司 Tensioning method for prestressed concrete
JP5620248B2 (en) * 2010-12-10 2014-11-05 株式会社Ihiインフラシステム Bridge method for arch bridge
CN203977298U (en) * 2014-07-29 2014-12-03 中国化学工程第三建设有限公司 The preframed section steel platform of a kind of arch rib
CN204282188U (en) * 2014-12-01 2015-04-22 中铁二十局集团第一工程有限公司 A kind of long-span steel pipe arch bridge is without support lifting construction structure
CN204715216U (en) * 2015-06-12 2015-10-21 浙江海洋学院 A kind of Arch Bridge Construction platform structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620248B2 (en) * 1972-12-25 1981-05-12
JP2004232296A (en) * 2003-01-29 2004-08-19 Ishikawajima Harima Heavy Ind Co Ltd Arch bridge and arcuate frame structure
CN201620360U (en) * 2010-04-28 2010-11-03 中铁二十局集团有限公司 Vertical precasting pedestal for arch rib of bowstring arch bridge
JP5620248B2 (en) * 2010-12-10 2014-11-05 株式会社Ihiインフラシステム Bridge method for arch bridge
CN102704400A (en) * 2012-05-28 2012-10-03 宁波二十冶建设有限公司 Tensioning method for prestressed concrete
CN203977298U (en) * 2014-07-29 2014-12-03 中国化学工程第三建设有限公司 The preframed section steel platform of a kind of arch rib
CN204282188U (en) * 2014-12-01 2015-04-22 中铁二十局集团第一工程有限公司 A kind of long-span steel pipe arch bridge is without support lifting construction structure
CN204715216U (en) * 2015-06-12 2015-10-21 浙江海洋学院 A kind of Arch Bridge Construction platform structure

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
倪梓媛: "温度荷载对钢管混凝土拱桥拱肋安装线形的影响分析", 《铁道建筑技术》 *
袁长春: "430m跨上承式钢管混凝土拱桥拱肋节段双肋整体拼装施工技术", 《铁道标准设计》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108252201A (en) * 2018-03-23 2018-07-06 中铁二院工程集团有限责任公司 A kind of connecting structure of four braced arch circles and the upper steel column of queen post arch
CN108252201B (en) * 2018-03-23 2023-08-22 中铁二院工程集团有限责任公司 Connection structure of four truss arch rings and double-column type arch steel upright post
CN108978491A (en) * 2018-09-25 2018-12-11 中铁二局第五工程有限公司 A kind of full bolt trussed bridge closure method
CN110565534A (en) * 2019-09-28 2019-12-13 中铁十八局集团第二工程有限公司 construction method for assembling continuous steel box girder by cantilever
CN114197327A (en) * 2022-01-24 2022-03-18 广西路桥工程集团有限公司 Steel pipe arch rib cantilever assembling method for loosening lifting point and installing buckle cable
CN114197327B (en) * 2022-01-24 2023-10-27 广西路桥工程集团有限公司 Steel pipe arch rib cantilever assembling method for loosening hanging points and installing buckling ropes

Similar Documents

Publication Publication Date Title
CN102953342B (en) Assembling and lifting method of half-span skeleton of tied arch bridge
CN106284102A (en) The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method
CN101446074B (en) Installation and closure construction method for steel sliding roadway arch on top surface of steel trussed beam bridge
CN103911956A (en) Long-span cable stayed bridge steel truss girder mounting method
CN103255752B (en) Support the buoyant support fixed platform of offshore wind turbine, marine works
CN102367650A (en) Construction method of steel pipe arch bridge
CN110886187A (en) Cable crane system installation system and construction method thereof
CN114457668A (en) Large-span spatial special-shaped arch rib flying-swallow type basket steel box arch bridge and rapid construction method
CN112942151A (en) Carbon fiber cable net wind-resistant reinforced structure system of ultra-large span suspension bridge and construction method thereof
CN104746525A (en) Lifting platform system for placing large caisson in water
CN205874978U (en) A tie rod support for $descending hold formula steel pipe concrete tied arch bridge
CN115341701B (en) Hanging formwork construction method for high-altitude overhanging steel bar truss floor support plate
CN216040754U (en) Temporary supporting device in concrete box girder bridge block dismantling hoisting box
CN113802461B (en) Steel box girder erection method
CN214883050U (en) Carbon fiber cable net wind-resistant reinforced structure system of oversized span suspension bridge
CN216891994U (en) Three-span cable crane for mounting main beam of cable-stayed bridge
CN212200101U (en) Supporting upright post and structure for suspended casting of box girder at triangular area of hollow rigid frame bridge
CN211312214U (en) Cable crane system installation system
CN212533734U (en) Cable buckle integrated tower
CN210976318U (en) Beam string mounting structure of spoke type beam string structure roof
CN211848997U (en) Semi-span pier beam-lifting machine for bridge on high pier column prefabricated T beam in limited space
CN202969246U (en) Semi-stride hoisting bowstring arch bridge
CN105568862A (en) Girder erecting device and girder erecting method
CN113308997A (en) Three-span cable crane for mounting main beam of cable-stayed bridge and construction method thereof
CN206189283U (en) Novel sectional shelf -unit structure based on tidewater beach

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170104