CN204023423U - A kind of many truss-likes supper wide type hanging basket for bridge construction - Google Patents
A kind of many truss-likes supper wide type hanging basket for bridge construction Download PDFInfo
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- CN204023423U CN204023423U CN201420073361.4U CN201420073361U CN204023423U CN 204023423 U CN204023423 U CN 204023423U CN 201420073361 U CN201420073361 U CN 201420073361U CN 204023423 U CN204023423 U CN 204023423U
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- hanging basket
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Abstract
The utility model relates to a kind of many truss-likes supper wide type hanging basket for bridge construction, and it is made up of main truss system, template system and suspention running gear, and include at least two case beams in described bridge beam body, case beam upper surface is provided with the frange plate extended.The overall width of described many truss-likes supper wide type hanging basket for bridge construction is not less than the width of bridge beam body, and the center line on its width overlaps with bridge beam body width center line; Multiple main couple is provided with in main truss system in described many truss-likes supper wide type hanging basket for bridge construction, independent of one another between multiple main couple; Adopt many truss-likes supper wide type hanging basket for bridge construction of technique scheme, it is designed by overall space, and many trussed constructions can ensure bridge left and right width symmetrical construction simultaneously, thus provide advantage to the alignment control of bridge.
Description
Technical field
The present invention relates to a kind of equipment for bridge construction, especially a kind of many truss-likes supper wide type hanging basket for bridge construction.
Background technology
Along with people are to the functional requirement of bridge, and the construction technology of bridge is all improving constantly, the beam body width nearly 30 ~ 40m of existing highway bridge.In bridge construction process, Hanging Basket is the capital equipment in bridge cantilever work, for the bridge of above-mentioned wide property beam body, often sets up Hanging Basket independent of each other at the left width of bridge and the right width of bridge, construct respectively to it in prior art.Close up in process in the splicing of the left width of bridge and the right width of bridge, due to its property independent of one another, bridge is difficult to guarantee good Linear Control, and causes the construction precision of bridge to decline to some extent.Simultaneously, main truss cradle system of the prior art often adopts multiple identical main couple, and in bridge, the stress of its various piece is different, especially beam body width reaches the bridge of more than 40m, and directly adopt existing Hanging Basket, its identical main couple structure causes the structural stability of Hanging Basket to be difficult to be protected, at construction progress, construction safety, and cost control is all difficult to controlled.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of hanging basket for bridge construction, and it can realize left and right width in bridge construction process and construct simultaneously, thus improves the Linear Control to bridge; And Hanging Basket can be made to improve cradle structure according to bridge STRESS VARIATION, thus improve the structural stability of Hanging Basket.
For solving the problems of the technologies described above, the present invention relates to a kind of many truss-likes supper wide type hanging basket for bridge construction, it is made up of main truss system, template system and suspention running gear, include at least two case beams in described bridge beam body, case beam upper surface is provided with the frange plate extended along Hanging Basket width.The overall width of described many truss-likes supper wide type hanging basket for bridge construction is not less than the width of bridge beam body, and the center line on its width overlaps with bridge beam body width center line; Multiple main couple is provided with in main truss system in described many truss-likes supper wide type hanging basket for bridge construction, independent of one another between multiple main couple.
In described many truss-likes supper wide type hanging basket for bridge construction, main truss system comprises and being arranged on bridge beam body, and the many top rails extended on Hanging Basket width and lower transverse beam, and be arranged on above top rail, and be parallel to the lateral of top rail; The end face of described top rail on Hanging Basket width is provided with and extends along Hanging Basket width, and the projection do not come in contact with bridge beam body; Main couple in described main truss system adopts and is arranged between lateral and bridge beam body, and is arranged in order multiple tripods of distribution along Hanging Basket width; Multiple tripod forms an angle by with horizontal plane, and the front tension bar that connects and back stay occur each other in lateral upper surface, and through the tie point of front tension bar and back stay, and form perpendicular to the column of horizontal plane; In described tripod, front tension bar, back stay, and column, the intersection of itself and beam body is respectively arranged with the front beam, middle cross beam and the rear anchor beam that extend along Hanging Basket length direction.Wherein, top rail is taked the end face on Hanging Basket width to be provided with to extend along Hanging Basket width, and the projection do not come in contact with bridge beam body, and it can be convenient to follow-uply carry out cantilever casting construction to bridge.
As a modification of the present invention, the multiple tripods in described main truss system, its center line both sides on Hanging Basket length direction are uniformly distributed; In multiple tripod, with on Hanging Basket length direction in minimum a pair tripod of wire spacing, it is provided with and is extended by the relative direction of the tie point of front tension bar, back stay and column along adjacent tank beam in bridge beam body, and is fixed on the lateral bracing strut on top rail.Adopt above-mentioned design, due to the Bridge Beam section that position in the middle part of Hanging Basket is corresponding, it is owing to causing it stressed comparatively large from factors such as heavy loads, so place's employing lateral bracing strut effectively can improve structural stability herein.
As a modification of the present invention, the multiple tripods in described main truss system, the angle of its front tension bar and back stay is reduced gradually in portion wherein by the two ends on Hanging Basket length direction on Hanging Basket width.
As a modification of the present invention, the cross sectional area of described top rail is increased gradually in portion wherein by the two ends on Hanging Basket length direction on Hanging Basket width.
Adopt above-mentioned design, stressed comparatively large due to Bridge Beam section corresponding to position in the middle part of Hanging Basket, so place adopts the main truss tripod compared with large span, and coordinates the top rail in wider cross section, it makes the structure of Hanging Basket meet the STRESS VARIATION of bridge, thus the structural stability of Hanging Basket is strengthened.
In described many truss-likes supper wide type hanging basket for bridge construction, template system comprises external mold, side form, bed die and backform; Described external mold is arranged on outside the end face of bridge beam body on Hanging Basket width, and it extends between box beam flange plate lower surface and the upper surface of lower transverse beam in bridge beam body; Described external mold comprises the inner side external mold being arranged on bridge beam body raising middle flask beam opposite face, and is arranged on the outside external mold of bridge beam body raising middle flask beam back; Described inner side external mold and outside external mold are formed by the many staggered shaped steel of transverse and longitudinal; Described side form is arranged on the box girder body end face of beam body on Hanging Basket width, and it extends along box girder body outer face; Described bed die and backform are separately positioned on inside the beam body of lower transverse beam and top rail.
In described external mold, the outside of inner side external mold and outside external mold is provided with external mold truss, and described external mold truss is fixedly connected between adjacent lower transverse beam, and inner side external mold and outside external mold are fixedly connected between external mold truss and side form; Bottom die platform is provided with between described bed die and lower transverse beam.Adopt above-mentioned design, it makes the stability of external mold and bed die be strengthened by external mold truss and bottom die platform, meanwhile, makes to be convenient to walking in work progress by bottom die platform.
In described template system, external mold and bed die are directly processed by steel plate; Described side form, backform, external mold truss and bottom die platform are spliced by shaped steel, wherein, external mold and bed die stressed larger, therefore adopt steel plate directly to process can to guarantee its stability, and side form, backform, external mold truss and bottom die platform adopt shaped steel splicing, make its handling more convenient.
Described suspention running gear is made up of the sliding beam of external mold, suspension rod and the sliding beam of walking; The sliding beam of described external mold is connected with the outside external mold in template system; Described suspension rod is arranged between bed die and backform, and it is perpendicular to horizontal direction, and is fixedly connected with all adopting between bed die, backform; The sliding beam of described walking is arranged on the lower surface of lower transverse beam in main truss system, and the sliding beam of described walking and the sliding beam of external mold all extend along bridge cross direction, and form an angle with horizontal plane.
Improve as another kind of the present invention, the described two ends of many truss-likes supper wide type hanging basket for bridge construction on Hanging Basket width, it is provided with the extension being no less than 2m compared to the two ends on bridge width direction, it can be convenient to the construction to bridge edge.
Above-mentioned many truss-likes supper wide type hanging basket for bridge construction is in work progress, and described Hanging Basket is arranged on bridge floor by lifting by it.Now centered by bridge pier, bridge pier rear and front end arranges symmetrical multiple blocks respectively, and described block length is slightly less than the length of Hanging Basket, and it can be convenient to the construction that staff carries out block on Hanging Basket.The erection sequence of described block, by the two ends on bridge length direction, is drawn close to middle part gradually by the suspention running gear of Hanging Basket, and is closed up at bridge pier place.In construction, because Hanging Basket adopts the structure wide with bridge width, the left width of bridge and right width can be constructed simultaneously on Hanging Basket, thus achieve the symmetrical construction of bridge left and right width.
Compared to prior art, tool of the present invention has the following advantages:
1) adopt many truss-likes supper wide type hanging basket for bridge construction of technique scheme, it is designed by overall space, and many trussed constructions can ensure bridge left and right width symmetrical construction simultaneously, thus provide advantage to the alignment control of bridge;
2) adopt many truss-likes supper wide type hanging basket for bridge construction of technique scheme, it adjusts the topology layout of Hanging Basket according to the architectural feature of bridge, makes it more meet bridge stress distribution, thus improves the structural stability of bridge;
3) many truss-likes supper wide type hanging basket for bridge construction of technique scheme is adopted, it forms the region of a relative closure, guarantee is provided to safety, when especially entering canal zone line, owing to adopting Hanging Basket to hang construction, bridge construction will drop to minimum on the impact that has a good transport and communication network on canal; Construction for follow-up suspension cable is provided advantage by many trussed constructions Hanging Basket, creates favorable conditions to the overall structure stability of bridge, takes a firm foundation for last Cheng Qiao closes up.
Accompanying drawing explanation
Fig. 1 is Hanging Basket width schematic diagram of the present invention;
Fig. 2 is cradle structure partial enlarged drawing in the present invention;
Fig. 3 is intermediate cam frame schematic diagram of the present invention;
Description of reference numerals:
1-bridge beam body, 2-top rail, 3-lower transverse beam, 4-lateral, 5-frange plate, 6-tripod, 7-front tension bar, 8-back stay, 9-column, 10-front beam, 11-middle cross beam, 12-rear anchor beam, 13-lateral bracing strut, 14-side form, 15-bed die, 16-backform, 17-inner side external mold, 18-outside external mold, 19-external mold truss, 20-bottom die platform, the sliding beam of 21-external mold, 22-suspension rod, the sliding beam of 23-walking.
Detailed description of the invention
Below in conjunction with detailed description of the invention, illustrate the present invention further, following detailed description of the invention should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
Embodiment 1
One many truss-likes supper wide type hanging basket for bridge construction as shown in Figures 1 and 2, it is made up of main truss system, template system and suspention running gear, include at least two case beams in described bridge beam body, case beam upper surface is provided with the frange plate 5 extended along Hanging Basket width.The overall width of described many truss-likes supper wide type hanging basket for bridge construction is not less than the width of bridge beam body 1, and the center line on its width overlaps with bridge beam body 1 width center line; Multiple main couple is provided with in main truss system in described many truss-likes supper wide type hanging basket for bridge construction, independent of one another between multiple main couple.
In described many truss-likes supper wide type hanging basket for bridge construction, main truss system comprises and being arranged on bridge beam body 1, and three top rails 2 extended on Hanging Basket width and lower transverse beam 3, and be arranged on above top rail 2, and be parallel to the lateral 4 of top rail 2; Described lateral 4 extends by along Hanging Basket width, and two crossbeams being in same perpendicular are formed, and is provided with the staggered brace summer extended between crossbeam.The end face of described top rail 2 on Hanging Basket width is provided with and extends along Hanging Basket width, and the projection do not come in contact with bridge beam body, and it can be convenient to follow-uply carry out cantilever casting construction to bridge.Main couple in described main truss system adopts and is arranged between lateral 4 and bridge beam body 1, and is arranged in order multiple tripods 6 of distribution along Hanging Basket width, each the case beam in described bridge beam body, and it is all assigned three main truss tripods 6; Multiple tripod 6 forms an angle by with horizontal plane, and front tension bar 7 and the back stay 8 of connection occur each other in lateral 4 upper surface, and through the tie point of front tension bar 7 with back stay 8, and form perpendicular to the column 9 of horizontal plane; In described tripod, front tension bar 7, back stay 8, and column 9, the intersection of itself and beam body is respectively arranged with the front beam 10, middle cross beam 11 and the rear anchor beam 12 that extend along Hanging Basket length direction.
As a modification of the present invention, the multiple tripods 6 in described main truss system, its center line both sides on Hanging Basket length direction are uniformly distributed; In multiple tripod 6, with on Hanging Basket length direction in minimum a pair tripod of wire spacing, it is provided with and is extended by the relative direction of the tie point of front tension bar 7, back stay 8 and column 9 along adjacent tank beam in bridge beam body, and is fixed on the lateral bracing strut 13 on top rail.Adopt above-mentioned design, due to the Bridge Beam section that position in the middle part of Hanging Basket is corresponding, it is owing to causing it stressed comparatively large from factors such as heavy loads, so place's employing lateral bracing strut effectively can improve structural stability herein.
As a modification of the present invention, the multiple tripods 6 in described main truss system, its front tension bar 7 is reduced in portion by the two ends on Hanging Basket length direction on Hanging Basket width wherein gradually with the angle of back stay 8.
As a modification of the present invention, the cross sectional area of described top rail 2 is increased gradually in portion wherein by the two ends on Hanging Basket length direction on Hanging Basket width.
Adopt above-mentioned design, stressed comparatively large due to Bridge Beam section corresponding to position in the middle part of Hanging Basket, so place adopts the main truss tripod compared with large span, and coordinates the top rail in wider cross section, it makes the structure of Hanging Basket meet the STRESS VARIATION of bridge, thus the structural stability of Hanging Basket is strengthened.
Above-mentioned many truss-likes supper wide type hanging basket for bridge construction is in work progress, and described Hanging Basket is arranged on bridge floor by lifting by it.Now centered by bridge pier, bridge pier rear and front end arranges symmetrical multiple blocks respectively, and described block length is slightly less than the length of Hanging Basket, and it can be convenient to the construction that staff carries out block on Hanging Basket.The erection sequence of described block, by the two ends on bridge length direction, is drawn close to middle part gradually by the suspention running gear of Hanging Basket, and is closed up at bridge pier place.In construction, because Hanging Basket adopts the structure wide with bridge width, the left width of bridge and right width can be constructed simultaneously on Hanging Basket, thus achieve the symmetrical construction of bridge left and right width.
Centered by bridge pier, on setting bridge length direction, bridge pier two ends respectively have 17 blocks to form, it is respectively 1A, 2A of being arranged on bridge leading portion ... 16A, 17A, and be arranged on 1B, 2B of bridge rear end ... 16B, 17B, herein, the order of numeral being carried out from small to large demarcating is that block and bridge pier spacing are by few order at the most.In work progress, the construction of 17A and the 17B of advanced row distance bridge pier farthest, and by movable hanging basket, draw close to bridge pier place gradually, until complete the construction of 1A and 1B, and above-mentioned bridge pier two ends block is realized closing up by arranging closure segment block at bridge pier place.
Compared to prior art, tool of the present invention has the following advantages:
1) adopt many truss-likes supper wide type hanging basket for bridge construction of technique scheme, it is designed by overall space, and many trussed constructions can ensure bridge left and right width symmetrical construction simultaneously, thus provide advantage to the alignment control of bridge;
2) adopt many truss-likes supper wide type hanging basket for bridge construction of technique scheme, it adjusts the topology layout of Hanging Basket according to the architectural feature of bridge, makes it more meet bridge stress distribution, thus improves the structural stability of bridge;
3) adopt many truss-likes supper wide type hanging basket for bridge construction of technique scheme, it forms the region of a relative closure, and provide guarantee to safety, when especially entering canal zone line, bridge construction will drop to minimum on the impact that has a good transport and communication network on canal; Construction for follow-up suspension cable is provided advantage by many trussed constructions Hanging Basket, creates favorable conditions to the overall structure stability of bridge, takes a firm foundation for last Cheng Qiao closes up.
Embodiment 2
In described many truss-likes supper wide type hanging basket for bridge construction, template system comprises external mold, side form 14, bed die 15 and backform 16; Described external mold is arranged on outside the end face of bridge beam body 1 on Hanging Basket width, and extends between the upper surface of its box beam flange plate 5 lower surface and lower transverse beam 3 in bridge beam body 1; Described external mold comprises the inner side external mold 17 being arranged on bridge beam body 1 raising middle flask beam opposite face, and is arranged on the outside external mold 18 of bridge beam body 1 raising middle flask beam back; Described inner side external mold 17 and outside external mold 18 are formed by the many staggered shaped steel of transverse and longitudinal; Described side form 14 is arranged on the box girder body end face of beam body 1 on Hanging Basket width, and it extends along box girder body outer face; Described bed die 15 is separately positioned on inside the beam body of lower transverse beam and top rail with backform 16.
In described external mold, inner side external mold 17 is provided with external mold truss 19 with the outside of outside external mold 18, and described external mold truss 19 is fixedly connected between adjacent lower transverse beam 3, and inner side external mold 17 and outside external mold 18 are fixedly connected between external mold truss 19 and side form 14; Bottom die platform 20 is provided with between described bed die 15 and lower transverse beam 3.Adopt above-mentioned design, it makes the stability of external mold and bed die be strengthened by external mold truss and bottom die platform, meanwhile, makes to be convenient to walking in work progress by bottom die platform.
In described template system, external mold and bed die 15 are directly processed by steel plate; Described side form 14, backform 16, external mold truss 19 and bottom die platform 20 are spliced by shaped steel, wherein, and external mold and bed die stressed larger, therefore adopt steel plate directly to process can to guarantee its stability, make its stress structure reach best; And side form, backform, external mold truss and bottom die platform adopt shaped steel splicing, make its handling more convenient.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 3
Described suspention running gear is made up of the sliding beam 21 of external mold, suspension rod 22 and the sliding beam 23 of walking; The sliding beam 21 of described external mold is connected with the outside external mold 18 in template system; Described suspension rod 22 is arranged between bed die 15 and backform 16, and it is perpendicular to horizontal direction, and is fixedly connected with all adopting between bed die 15, backform 16; The sliding beam 23 of described walking is arranged on the lower surface of lower transverse beam 3 in main truss system, and the sliding beam 23 of described walking all extends along bridge cross direction with the sliding beam 22 of external mold, and forms an angle with horizontal plane.
Improve as another kind of the present invention, the described two ends of many truss-likes supper wide type hanging basket for bridge construction on Hanging Basket width, it is provided with the extension being no less than 2m compared to the two ends on bridge width direction, it can be convenient to the construction to bridge edge.
All the other feature & benefits of the present embodiment are all identical with embodiment 2.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic.
Claims (10)
1. the supper wide type of truss-like a more than hanging basket for bridge construction, it is made up of main truss system, template system and suspention running gear; It is characterized in that, the overall width of described many truss-likes supper wide type hanging basket for bridge construction is not less than the width of bridge beam body, and the center line on its width overlaps with bridge beam body width center line; Multiple main couple is provided with in main truss system in described many truss-likes supper wide type hanging basket for bridge construction, independent of one another between multiple main couple.
2. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 1, it is characterized in that, in described many truss-likes supper wide type hanging basket for bridge construction, main truss system comprises and is arranged on bridge beam body, and the many top rails extended on Hanging Basket width and lower transverse beam, and be arranged on above top rail, and be parallel to the lateral of top rail; The end face of described top rail on Hanging Basket width is provided with and extends along Hanging Basket width, and the projection do not come in contact with bridge beam body; Main couple in described main truss system adopts and is arranged between lateral and bridge beam body, and is arranged in order multiple tripods of distribution along Hanging Basket width; Multiple tripod forms an angle by with horizontal plane, and the front tension bar that connects and back stay occur each other in lateral upper surface, and through the tie point of front tension bar and back stay, and form perpendicular to the column of horizontal plane; In described tripod, front tension bar, back stay, and column, the intersection of itself and beam body is respectively arranged with the front beam, middle cross beam and the rear anchor beam that extend along Hanging Basket length direction.
3. according to the many truss-likes supper wide type hanging basket for bridge construction described in claim 1 or 2, it is characterized in that, the multiple tripods in described main truss system, its center line both sides on Hanging Basket length direction are uniformly distributed; In multiple tripod, with on Hanging Basket length direction in minimum a pair tripod of wire spacing, it is provided with and is extended by the relative direction of the tie point of front tension bar, back stay and column along adjacent tank beam in bridge beam body, and is fixed on the lateral bracing strut on top rail.
4. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 3, it is characterized in that, multiple tripods in described main truss system, the angle of its front tension bar and back stay is reduced gradually in portion wherein by the two ends on Hanging Basket length direction on Hanging Basket width.
5. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 4, it is characterized in that, the cross sectional area of described top rail is reduced gradually in portion wherein by the two ends on Hanging Basket length direction on Hanging Basket width.
6. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 2, it is characterized in that, in described many truss-likes supper wide type hanging basket for bridge construction, template system comprises external mold, side form, bed die and backform; Described external mold is arranged on outside the end face of bridge beam body on Hanging Basket width, and it extends between box beam flange plate lower surface and the upper surface of lower transverse beam in bridge beam body; Described external mold comprises the inner side external mold being arranged on bridge beam body raising middle flask beam opposite face, and is arranged on the outside external mold of bridge beam body raising middle flask beam back; Described inner side external mold and outside external mold are formed by the many staggered shaped steel of transverse and longitudinal; Described side form is arranged on the box girder body end face of beam body on Hanging Basket width, and it extends along box girder body outer face; Described bed die and backform are separately positioned on inside the beam body of lower transverse beam and top rail.
7. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 6, it is characterized in that, in described external mold, the outside of inner side external mold and outside external mold is provided with external mold truss, described external mold truss is fixedly connected between adjacent lower transverse beam, and inner side external mold and outside external mold are fixedly connected between external mold truss and side form; Bottom die platform is provided with between described bed die and lower transverse beam.
8. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 7, it is characterized in that, in described template system, external mold and bed die are directly processed by steel plate; Described side form, backform, external mold truss and bottom die platform are spliced by shaped steel.
9. according to the many truss-likes supper wide type hanging basket for bridge construction described in claim 1 or 6, it is characterized in that, described suspention running gear is made up of the sliding beam of external mold, suspension rod and the sliding beam of walking; The sliding beam of described external mold is connected with the outside external mold in template system; Described suspension rod is arranged between bed die and backform, and it is perpendicular to horizontal direction, and is fixedly connected with all adopting between bed die, backform; The sliding beam of described walking is arranged on the lower surface of lower transverse beam in main truss system, and the sliding beam of described walking and the sliding beam of external mold all extend along bridge cross direction, and form an angle with horizontal plane.
10. according to many truss-likes supper wide type hanging basket for bridge construction according to claim 9, it is characterized in that, the described two ends of many truss-likes supper wide type hanging basket for bridge construction on Hanging Basket width, it is provided with the extension being no less than 2m compared to the two ends on bridge width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073361.4U CN204023423U (en) | 2014-02-20 | 2014-02-20 | A kind of many truss-likes supper wide type hanging basket for bridge construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073361.4U CN204023423U (en) | 2014-02-20 | 2014-02-20 | A kind of many truss-likes supper wide type hanging basket for bridge construction |
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| CN204023423U true CN204023423U (en) | 2014-12-17 |
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|---|---|---|---|
| CN201420073361.4U Withdrawn - After Issue CN204023423U (en) | 2014-02-20 | 2014-02-20 | A kind of many truss-likes supper wide type hanging basket for bridge construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850185A (en) * | 2014-02-20 | 2014-06-11 | 中交三航局第三工程有限公司 | Multi-truss type hanging basket for super-wide type bridge construction |
| CN108824199A (en) * | 2018-06-27 | 2018-11-16 | 贵州路桥集团有限公司 | The Arch Bridge Construction method of underneath type Hanging Basket |
| CN110685227A (en) * | 2019-11-02 | 2020-01-14 | 中铁七局集团有限公司 | Construction method of formwork support system of obstacle-crossing wide-width swivel bridge closure segment hanging bracket method |
-
2014
- 2014-02-20 CN CN201420073361.4U patent/CN204023423U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850185A (en) * | 2014-02-20 | 2014-06-11 | 中交三航局第三工程有限公司 | Multi-truss type hanging basket for super-wide type bridge construction |
| CN108824199A (en) * | 2018-06-27 | 2018-11-16 | 贵州路桥集团有限公司 | The Arch Bridge Construction method of underneath type Hanging Basket |
| CN110685227A (en) * | 2019-11-02 | 2020-01-14 | 中铁七局集团有限公司 | Construction method of formwork support system of obstacle-crossing wide-width swivel bridge closure segment hanging bracket method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160824 |
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