CN108677678A - A kind of space structure mixing beam bridge of list case concrete-more casees steel - Google Patents
A kind of space structure mixing beam bridge of list case concrete-more casees steel Download PDFInfo
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- CN108677678A CN108677678A CN201810640872.2A CN201810640872A CN108677678A CN 108677678 A CN108677678 A CN 108677678A CN 201810640872 A CN201810640872 A CN 201810640872A CN 108677678 A CN108677678 A CN 108677678A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 163
- 239000010959 steel Substances 0.000 title claims abstract description 163
- 238000003466 welding Methods 0.000 claims abstract description 13
- 230000011218 segmentation Effects 0.000 claims description 9
- 238000003032 molecular docking Methods 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 27
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of space structure mixing beam bridge of single more case steel of case concrete, solves the beam bridge structure of existing list case concrete list case steel, welding difficulty is larger and the problem of construction quality is not easy to ensure in steel box-girder case.This programme is followed successively by concrete box beam section, concrete solid-section, toughened internal stress, more case girder steel sections from both ends to the middle, more steel box-girder main bodys are standard container beam body, each steel bottom plate of standard container beam body is mutually not attached to, several big diaphragm plates are arranged at intervals in the standard container beam body, several small diaphragm plates are set between adjacent big diaphragm plate, the big diaphragm plate and small diaphragm plate are vertical, cross-brace is aligned respectively with big diaphragm plate, small diaphragm plate between adjacent steel case, between the two side inside steel case and is provided with inner support large baffle and inner support small baffle.Construction demand in steel case is greatly reduced in the present invention, improves working environment, reduces construction intensity, can simultaneously be constructed with multiple spot, greatly promote construction efficiency.
Description
Technical field
The invention belongs to construction of road and bridge fields, are related to a kind of beam bridge erecting structure, more particularly to a kind of single case concrete-more casees steel
Space structure mixing beam bridge.
Background technology
Road is the main artery of economic development, with the development of the social economy, the total mileage of highway number in China constantly refreshes
Record.During road construction, if there is the demand opened the navigation or air flight under bridge, beam bridge can be generally set up.For across in Plain, lake
Etc. across footpaths mixing beam bridge for, due to the requirement of headway under bridge, steel box-girder deck-molding generally setting it is smaller, it is whole in hybrid beam
Body steel box-girder mostly uses split production, is attached after transporting to scene, therefore site welding heavy workload, construction speed are slow.And
And in existing mixing beam bridge, steel box-girder is mostly single box structure, have a complete top plate and bottom plate, and one facilitates the steel case of single case
The docking of beam and single case concrete, and carry out complete single steel box structure and guarantee in lateral reliable delivery torque.But this single case knot
The steel box-girder of structure, a large amount of welding procedure need to complete in the inside of steel box-girder, and construction environment is severe in case, even for some
The smaller steel box-girder of deck-molding, space is small in case, and construction personnel, which hardly enters, carries out welding procedure inside steel box-girder, therefore, mixing
In beam bridge, the structure of single case concrete-mono- case steel, welding difficulty is larger in steel box-girder case and construction quality is not easy to ensure.
Invention content
It is an object of the invention to solve the beam bridge structure of existing single case concrete-mono- case steel, welding difficulty in steel box-girder case
The problem of larger and construction quality is not easy to ensure provides a kind of space structure mixing beam bridge of single case concrete-more casees steel.
The technical solution adopted by the present invention to solve the technical problems is：A kind of space structure of list case concrete-more casees steel is mixed
Beam bridge is closed, is followed successively by concrete box beam section, concrete solid-section, toughened internal stress, more case girder steel sections from both ends to the middle, it is special
Sign is：More steel box-girder main bodys are standard container beam body, and the standard container beam body includes laterally continuous top plate, top board undersurface
Multiple steel casees are transversely equidistantly arranged, each steel bottom plate is mutually not attached to, and is arranged at intervals in the standard container beam body several big
Diaphragm plate, is arranged several small diaphragm plates between adjacent big diaphragm plate, the big diaphragm plate and small diaphragm plate is vertical, cross-brace
It is aligned that be provided with inner support big with big diaphragm plate, small diaphragm plate respectively between adjacent steel case, between the two side inside steel case
Partition board and inner support small baffle.In the present solution, form stable support using concrete at beam bridge both ends, both ends concrete box girder it
Between practical more case girder steels connections, more case girder steels using laterally side by side, multiple steel casees for being longitudinally extended, in conjunction with longitudinal arrangement, transverse direction
The big diaphragm plate, the inner support large baffle that extend, small diaphragm plate, inner support small baffle transmit torque, and formation combines, vertically in length and breadth
Diaphragm plate and horizontal top plate combine the space structure formed, it is sufficient to meet the transmission of torque.Compared to single case concrete-mono- case steel
Steel box structure, this programme are greatly reduced into the construction demand in steel case, and most of construction point is arranged outside steel case, can other than
It sets construction, multiple spot while going into operation, not only efficiency greatly improves, but also reduces working strength, improves construction environment.Moreover, phase
Than the structure of single steel case, this programme be all made of steel case external connection construction, can transversely divide between adjacent steel case it is blocking,
Piecemeal lifts and then combination construction, and the weight of single lifting is small.
Preferably, the big diaphragm plate height and steel case are highly consistent, big diaphragm plate top margin is welded with top plate, big tabula
The left and right sides of plate are welded with the steel case of both sides respectively, and big diaphragm plate is divided into two pieces of left and right along center line and is welded in divisional plane
Connect, the side up and down of the inner support large baffle respectively with the sidewall weld up and down of steel chamber interior wall.
As another preferred embodiment, the big diaphragm plate height and steel case are highly consistent, big diaphragm plate top margin and top plate
The left and right sides of welding, big diaphragm plate are welded with the steel case of both sides respectively, and big diaphragm plate is divided into two pieces of left and right along center line,
The two sides of segmentation portion pad respectively set connecting plate sandwich big diaphragm plate, big diaphragm plate is penetrated by bolt and both sides sandwich connection
Plate is fixed, the side up and down of the inner support large baffle respectively with the sidewall weld up and down of steel chamber interior wall.Big tabula
Plate is divided into two pieces of left and right to be connected respectively with the steel case of both sides, and construction and installation whens can be by welding or being bolted fixation
Transmit torque.
Preferably, the big diaphragm plate is the square shape of middle part hollow out, the divisional plane of big diaphragm plate is I-shaped or T words
Type, the transverse plane of segmentation portion and the two sides of perpendicular are sandwiched by connecting plate, are fixed by bolts.I-shaped point
Face has upper and lower two transverse planes and a perpendicular, and there are one transverse plane and one are perpendicular for the segmentation mask of T fonts
Straight plane is fixed by bolts after all planes are sandwiched by connecting plate.
Preferably, the inner support large baffle is hollow, including upper and lower two lateral T-steels, two lateral T-steels
Horizontal edge be oppositely arranged, and two vertical T-steels of setting are respectively welded between upper and lower two lateral two ends of T-steel, two
The horizontal edge of the vertical T-steel of item is oppositely arranged.
Preferably, the small diaphragm plate height is no more than the 1/3 of steel case height, small diaphragm plate top margin is welded with top plate,
The left and right sides of small diaphragm plate are welded with the steel case of both sides respectively, and small diaphragm plate is divided into two pieces of left and right along center line and is dividing
Face is welded, and inner support small baffle and small diaphragm plate are contour, the top margin of inner support small baffle and left and right side respectively with steel chamber interior wall
Top surface and left and right side welding.For proof strength, gone back between the bottom edge both ends and the bottom edge of steel chamber interior wall of inner support small baffle
Vertical reinforcing rib can be respectively equipped with.
As another preferred embodiment, the small diaphragm plate height be no more than steel case height 1/3, small diaphragm plate top margin with
Top plate welds, and the left and right sides of small diaphragm plate are welded with the steel case of both sides respectively, and small diaphragm plate is divided into left and right two along center line
Block sandwiches setting connecting plate in the two sides of each plane of segmentation portion and penetrates small diaphragm plate and both sides packet by bolt respectively
The connecting plate of folder is fixed, and inner support small baffle and small diaphragm plate are contour, the top margin of inner support small baffle and left and right side respectively with
The top surface of steel chamber interior wall and left and right side welding.For proof strength, the bottom at the bottom edge both ends and steel chamber interior wall of inner support small baffle
Vertical reinforcing rib can be also respectively equipped between side.
Preferably, being equipped with several flange plates, flange plate and small diaphragm plate, big diaphragm plate pair in the outside of outermost steel case
Neat setting, top margin and the top plate of flange plate weld, and inner side edge and the steel case of flange plate weld.
Preferably, the big diaphragm plate is small between the longitudinal equidistantly arrangement of standard container beam body, adjacent big diaphragm plate
Diaphragm plate spaced set.
Preferably, concrete solid-section end face is chosen to toughened internal stress direction sets several buttresses, it is arranged on buttress
Single steel babinet, interior fill of single case steel body set concrete, several longitudinal webs are equipped in single steel babinet, each web and more case girder steel sections are each
The side wall of a steel case is aligned and is welded at docking.Web had both played the reinforcement effect during concrete grouting, Er Qiezuo
Welding edge is fixed in end for the steel case side wall of more case girder steels, improves the reliability of connection.
The mixed type beam bridge structure of list case concrete-more casees steel of the present invention, using be set up in parallel it is multiple it is transversely arranged, be longitudinally extended
Steel case, torque is transmitted by longitudinal arrangement, the big diaphragm plate being laterally extended, small diaphragm plate, formation combines in length and breadth, vertical
Diaphragm plate and horizontal top plate combine the space structure formed, not only meet the needs of torsion transmission, but also steel is greatly reduced
Construction demand in case improves working environment, reduces construction intensity, can simultaneously be constructed with multiple spot, greatly promote construction efficiency.
Description of the drawings
The present invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural schematic diagram of the present invention.
Fig. 2 is the concrete box beam section schematic cross-section of the present invention.
Fig. 3 is the toughened internal stress schematic cross-section of the present invention.
Fig. 4 is more case girder steel segment standard box beam body section schematic diagrames of the present invention.
Fig. 5 is the big diaphragm plate schematic cross-section of more case girder steel sections of the present invention.
Fig. 6 is the small diaphragm plate schematic cross-section of more case girder steel sections of the present invention.
In figure：1, concrete box beam section, 2, concrete solid-section, 3 toughened internal stress, 4, more case girder steel sections, 41, standard container
Beam body section, 42, big diaphragm plate section, 43, small diaphragm plate section, 5, web, 6, top plate, 7, steel case, 8, bottom plate, 9, big tabula
Plate, 10, connecting plate, 11, inner support large baffle, 12, lateral T-steel, 13, vertical T-steel, 14, flange plate, 15, small diaphragm plate,
16, inner support small baffle, 17, reinforcing rib.
Specific implementation mode
Below by specific embodiment and in conjunction with attached drawing, the present invention is further described.
Embodiment：A kind of space structure mixing beam bridge of list case concrete-more casees steel, as shown in Figure 1.The beam bridge of this programme is from two
It holds to centre and is followed successively by concrete box beam section 1, concrete solid-section 2, toughened internal stress 3, more case girder steel sections 4.
As shown in Figure 1, 2, 3,1 height of concrete box beam section is to being gradually reduced among beam bridge and even variation is to concrete reality
Heart section 2, then 2 end face of concrete solid-section is chosen to toughened internal stress direction sets several buttresses, and single steel babinet is arranged on buttress, single
It is filled in case steel body and sets concrete, several longitudinal webs 5, the side of each web and each steel case of more case girder steel sections are equipped in single steel babinet
Wall is aligned and is welded at docking.
For more steel box-girder segment structures as shown in Fig. 1,4,5,6, more steel box-girder section main bodys are standard container beam body.Standard box beam
For body section 41 as shown in figure 4, standard container beam body section includes laterally continuous top plate 6, top board undersurface is transversely equidistant
Multiple steel casees 7 are arranged, each steel bottom plate 8 is mutually not attached to.Big diaphragm plate section is provided in standard container beam body every 10-20 meters
42, every several small diaphragm plate sections of 2-5 meters of spaced sets 43 between adjacent big diaphragm plate section 42.
Big diaphragm plate section 42 between adjacent 7 side wall of steel case as shown in figure 5, be equipped with big diaphragm plate 9, big diaphragm plate is perpendicular
Directly, laterally it is arranged, is aligned with big diaphragm plate between the two side inside steel case and is provided with inner support large baffle 11.Outermost steel case
Ala lateralis listrium 14, flange plate is aligned setting with big diaphragm plate, and top margin and the top plate of flange plate weld, the inner side edge of flange plate
It is welded with steel box outer wall.Big 9 height of diaphragm plate and steel case are highly consistent, and big diaphragm plate top margin is welded with top plate, big diaphragm plate
Left and right sides are welded with the steel case of both sides respectively.Big diaphragm plate 9 is the square shape of middle part hollow out, is made of four T-steels, four
A T-type horizontal edge surrounds hollow inwardly, and the end of upper and lower two lateral T-steels controls two vertical T against steel case sidewall weld
Shaped steel setting is between upper and lower two lateral T-steel ends and welds, and the divisional plane of big diaphragm plate is T fonts, the transverse direction of segmentation portion
The two sides of plane and perpendicular, which are padded, to be set connecting plate 10 and sandwiches big diaphragm plate, penetrates big diaphragm plate 9 and both sides by bolt
The connecting plate 10 of double team is fixed.Inner support large baffle is hollow, including upper and lower two lateral T-steels 12, two lateral T-steels
Horizontal edge be oppositely arranged, and two vertical T-steels 13 of setting are respectively welded between upper and lower two lateral two ends of T-steel,
The horizontal edge of two vertical T-steels is oppositely arranged.
Small diaphragm plate section 43 as shown in fig. 6, the small diaphragm plate is vertical, cross-brace is between adjacent steel case side wall,
15 height of small diaphragm plate is the 1/4 of 7 height of steel case, and small diaphragm plate section is horizontal edge inverted T font directed downwardly.15 top margin of small diaphragm plate
It is welded with top plate 6, the left and right sides of small diaphragm plate are welded with the steel case 7 of both sides respectively, and small diaphragm plate is divided into a left side along center line
Right two pieces, divisional plane is T fonts, vertically sandwiches respectively with the two sides of transverse plane in segmentation portion and connecting plate 10 is arranged and leads to
It crosses bolt and penetrates the connecting plate that small diaphragm plate 15 and both sides sandwich and fix.Inner support small baffle 16 is inverted T font section and small cross
Partition board is contour, and the top margin of inner support small baffle and left and right side are welded with the top surface of cabinet wall and left and right side respectively.Interior branch
It can also be respectively equipped with vertical reinforcing rib 17 between the bottom edge both ends and the bottom edge of steel chamber interior wall of support small baffle.Outermost steel case
Outside is equipped with flange plate 14, and flange plate is aligned setting with small diaphragm plate, and top margin and the top plate of flange plate weld, the inside of flange plate
It is welded with steel case on side.
In the present solution, more case girder steels using laterally side by side, multiple steel casees for being longitudinally extended, in conjunction with longitudinal arrangement, laterally prolong
Big diaphragm plate, the inner support large baffle stretched, small diaphragm plate, inner support small baffle form to transmit torque and combine in length and breadth, is vertical
Diaphragm plate and horizontal top plate combine the space structure formed, it is sufficient to meet the transmission of torque.Compared to the steel of single case concrete-mono- case steel
Box structure, this programme are greatly reduced into the construction demand in steel case, and most of construction point is arranged outside steel case, can be external
Construction, multiple spot go into operation simultaneously, and not only efficiency greatly improves, but also reduces working strength, improve construction environment.Moreover, comparing
The structure of single steel case, this programme be all made of steel case external connection construction, can transversely divide between adjacent steel case it is blocking, point
Block lifts and then combination construction, and the weight of single lifting is small.
Claims (10)
1. a kind of space structure mixing beam bridge of list case concrete-more casees steel, is followed successively by concrete box beam section, coagulation from both ends to the middle
Native solid-section, toughened internal stress, more case girder steel sections, it is characterised in that：More steel box-girder section main bodys are standard container beam body, described
Standard container beam body includes laterally continuous top plate, and top board undersurface transversely equidistantly arranges multiple steel casees, and each steel bottom plate is mutually not
It is connected, several big diaphragm plates is arranged at intervals in the standard container beam body, several small diaphragm plates are set between adjacent big diaphragm plate,
The big diaphragm plate and small diaphragm plate be vertical, cross-brace is between adjacent steel case, between the two side inside steel case respectively
It is aligned with big diaphragm plate, small diaphragm plate and is provided with inner support large baffle and inner support small baffle.
2. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1, it is characterised in that：It is described
Big diaphragm plate height and steel case are highly consistent, big diaphragm plate top margin and top plate welding, the left and right sides of big diaphragm plate respectively with
The steel case of both sides welds, and big diaphragm plate is divided into two pieces of left and right along center line and is welded in divisional plane, the inner support large baffle
Up and down side respectively with the sidewall weld up and down of steel chamber interior wall.
3. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1, it is characterised in that：It is described
Big diaphragm plate height and steel case are highly consistent, big diaphragm plate top margin and top plate welding, the left and right sides of big diaphragm plate respectively with
The steel case of both sides welds, and big diaphragm plate is divided into two pieces of left and right along center line, is padded respectively in the two sides of segmentation portion and sets connecting plate packet
Press from both sides big diaphragm plate, big diaphragm plate is penetrated by bolt and both sides sandwich connecting plate fix, the inner support large baffle up and down
Left and right side respectively with the sidewall weld up and down of steel chamber interior wall.
4. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 3, it is characterised in that：It is described
Big diaphragm plate is the square shape of middle part hollow out, and the divisional plane of big diaphragm plate is I-shaped or T fonts, the transverse plane of segmentation portion and
The two sides of perpendicular are sandwiched by connecting plate, are fixed by bolts.
5. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1 or 2 or 3 or 4, feature
It is：The inner support large baffle is hollow, including upper and lower two lateral T-steels, and the horizontal edge of two lateral T-steels is opposite to be set
It sets, and two vertical T-steels of setting is respectively welded between upper and lower two lateral two ends of T-steel, two vertical T-steels
Horizontal edge is oppositely arranged.
6. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1 or 2 or 3 or 4, feature
It is：The small diaphragm plate height is no more than the 1/3 of steel case height, and small diaphragm plate top margin is welded with top plate, a left side for small diaphragm plate
Right two sides are welded with the steel case of both sides respectively, and small diaphragm plate is divided into two pieces of left and right along center line and is welded in divisional plane, interior branch
It is contour to support small baffle and small diaphragm plate, the top margin of inner support small baffle and left and right side respectively with the top surface of cabinet wall and control
It welds side.
7. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1 or 2 or 3 or 4, feature
It is：The small diaphragm plate height is no more than the 1/3 of steel case height, and small diaphragm plate top margin is welded with top plate, a left side for small diaphragm plate
Right two sides are welded with the steel case of both sides respectively, and small diaphragm plate is divided into two pieces of left and right along center line, in each plane of segmentation portion
Two sides sandwich setting connecting plate and penetrate the connecting plate that small diaphragm plate and both sides sandwich by bolt and fix respectively, inner support
Small baffle and small diaphragm plate are contour, the top margin of inner support small baffle and left and right side respectively with the top surface of steel chamber interior wall and left and right sides
It welds in face.
8. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1 or 2 or 3 or 4, feature
It is：Several flange plates are equipped in the outside of outermost steel case, flange plate is aligned setting, the edge of a wing with small diaphragm plate, big diaphragm plate
The top margin of plate is welded with top plate, and inner side edge and the steel case of flange plate weld.
9. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1 or 2 or 3 or 4, feature
It is：Small diaphragm plate of the big diaphragm plate between the longitudinal equidistantly arrangement of standard container beam body, adjacent big diaphragm plate is equidistant
Setting.
10. a kind of space structure mixing beam bridge of single case concrete-more casees steel according to claim 1 or 2 or 3 or 4, feature
It is：Concrete solid-section end face is chosen to toughened internal stress direction sets several buttresses, and single steel babinet, single case are arranged on buttress
It is filled in steel body and sets concrete, several longitudinal webs, the side wall of each web and each steel case of more case girder steel sections are equipped in single steel babinet
It is aligned and is welded at docking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640872.2A CN108677678B (en) | 2018-06-21 | 2018-06-21 | Single-box concrete-multi-box steel space structure hybrid beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640872.2A CN108677678B (en) | 2018-06-21 | 2018-06-21 | Single-box concrete-multi-box steel space structure hybrid beam bridge |
Publications (2)
| Publication Number | Publication Date |
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| CN108677678A true CN108677678A (en) | 2018-10-19 |
| CN108677678B CN108677678B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810640872.2A Active CN108677678B (en) | 2018-06-21 | 2018-06-21 | Single-box concrete-multi-box steel space structure hybrid beam bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438879A (en) * | 2019-07-18 | 2019-11-12 | 广东冠粤路桥有限公司 | A kind of ultra-high performance concrete bridge structure and its construction method |
| CN113026524A (en) * | 2021-04-07 | 2021-06-25 | 中国铁路设计集团有限公司 | Novel horizontal longitudinal connecting system for three-split steel box girder |
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| KR101034337B1 (en) * | 2010-01-13 | 2011-05-16 | 산이건설 주식회사 | Steel box bridge of hardness radation |
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| CN105178164A (en) * | 2015-08-25 | 2015-12-23 | 广西交通科学研究院 | Prefabricated lifting fish-belly corrugated steel web internal-prestress combined box beam and construction method thereof |
| CN206328669U (en) * | 2016-11-10 | 2017-07-14 | 河南大建桥梁钢构股份有限公司 | The narrow composite beam of steel box of new concrete |
| CN208717712U (en) * | 2018-06-21 | 2019-04-09 | 浙江科欣工程设计咨询有限公司 | A kind of space structure mixing beam bridge of list case concrete-more casees steel |
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- 2018-06-21 CN CN201810640872.2A patent/CN108677678B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101034337B1 (en) * | 2010-01-13 | 2011-05-16 | 산이건설 주식회사 | Steel box bridge of hardness radation |
| KR20120029625A (en) * | 2010-09-17 | 2012-03-27 | 변형균 | Construction method of steel composite girder bridge applying precast deck |
| CN105178164A (en) * | 2015-08-25 | 2015-12-23 | 广西交通科学研究院 | Prefabricated lifting fish-belly corrugated steel web internal-prestress combined box beam and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110438879A (en) * | 2019-07-18 | 2019-11-12 | 广东冠粤路桥有限公司 | A kind of ultra-high performance concrete bridge structure and its construction method |
| CN113026524A (en) * | 2021-04-07 | 2021-06-25 | 中国铁路设计集团有限公司 | Novel horizontal longitudinal connecting system for three-split steel box girder |
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| Publication number | Publication date |
|---|---|
| CN108677678B (en) | 2024-03-01 |
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