CN111206513A - Bridge translation construction structure and device and construction method for crossing existing line bridge - Google Patents
Bridge translation construction structure and device and construction method for crossing existing line bridge Download PDFInfo
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- CN111206513A CN111206513A CN202010031767.6A CN202010031767A CN111206513A CN 111206513 A CN111206513 A CN 111206513A CN 202010031767 A CN202010031767 A CN 202010031767A CN 111206513 A CN111206513 A CN 111206513A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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Abstract
The invention is suitable for the technical field of bridge construction, and particularly relates to a bridge translation construction structure which comprises a general unit section and/or a special unit section, wherein the general unit section is used for expanding a supporting surface, and the special unit section is used for connecting a steel box cross beam and the general unit section. The bridge translation construction structure provided by the embodiment of the invention comprises the universal unit sections and/or the special unit sections, and the universal unit sections and the special unit sections are flexibly assembled and connected, so that the bridge translation construction structure can be conveniently installed and disassembled according to bridge erection requirements, the universal unit sections can be repeatedly used in different projects, the universality is high, and the unit type structure is convenient to transport and install.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a bridge translation construction structure and a construction method for crossing an existing line bridge.
Background
The bridge translation construction is a popular bridge construction method in recent times, is widely applicable to bridge construction of various types, and particularly has the remarkable advantages of rapid construction and small influence range on structures under the bridge and short time for bridge construction under special conditions of crossing existing lines, deep ditches and canyons.
The common bridge translation construction mainly adopts longitudinal movement and transverse movement. The longitudinal movement of the bridge generally requires that a steel guide beam is arranged at the front end of a main beam, and then the main beam is longitudinally moved to a design position; the bridge transverse moving construction generally needs to arrange a transverse moving slideway, and then the main beam is transversely moved to a design position through the transverse moving slideway.
If two works of longitudinal movement and transverse movement are needed in bridge construction, longitudinal movement steel guide beams and transverse movement slideway beams are needed to be arranged respectively. These two beams need to be designed and manufactured separately, have low versatility and are inconvenient to transport and install.
Disclosure of Invention
The embodiment of the invention aims to provide a bridge translation construction structure, and aims to solve the problems that a longitudinal movement steel guide beam and a transverse movement slideway beam are complex in design process, low in universality and inconvenient to transport and install.
The embodiment of the invention is realized in such a way that the bridge translation construction structure comprises a general unit section and/or a special unit section, wherein the general unit section is used for expanding a supporting surface, and the special unit section is used for connecting a steel box cross beam and the general unit section.
Preferably, the universal unit sections can be connected with each other.
Preferably, the universal unit sections are connected through detachable connection.
Preferably, the special unit sections are detachably connected with the steel box cross beam and the universal unit sections.
Preferably, the universal unit section is a structure with a full range of support capability on one side.
Preferably, the joint of the universal unit section is a structure which is universal in both front and back directions.
Another object of the present invention is to provide a bridge translation construction device, which includes a support pillar for supporting and a slider box for sliding, and further includes the bridge translation construction structure as described above.
Another object of the present invention is to provide a construction method for spanning an existing line bridge, which is to assemble the bridge construction transfer structure into a longitudinal steel guide beam and/or a transverse sliding way beam to be constructed according to the existing line, the relative position of the bridge to be constructed and the site conditions, and move the steel box girder and/or the transverse sliding way beam to a designed position through the assembled longitudinal steel guide beam.
Preferably, when the longitudinal moving steel guide beam is assembled, one end of the special unit section is connected with the steel box cross beam, and the other end of the special unit section is connected with the universal unit sections which are connected end to end, and the full-range supporting surface of the universal unit section faces downwards.
Preferably, when assembling the sideslip slide way beam, the multiple sections of universal unit sections are connected end to end, the full-range supporting surface faces upwards, the universal unit sections connected end to end are integrally far away from one side of the supporting surface, one end of each universal unit section is fixed with the top surface of a pier, and the other end of each universal unit section is fixedly connected with the supporting stand column arranged on one side of the bridge.
The bridge translation construction structure provided by the embodiment of the invention comprises the universal unit sections and/or the special unit sections, and the universal unit sections and the special unit sections are flexibly assembled and connected, so that the bridge translation construction structure can be conveniently installed and disassembled according to bridge erection requirements, the universal unit sections can be repeatedly used in different projects, the universality is high, and the unit type structure is convenient to transport and install.
Drawings
Fig. 1 is a schematic front view of a bridge arrangement of a steel truss according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a steel box cross beam portal pier provided in an embodiment of the present invention;
FIG. 3 is a schematic layout view of a longitudinal shifting steel guide beam of a steel box crossbeam according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a transverse sliding chute of a bridge girder according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a general cell segment configuration provided by an embodiment of the present invention;
fig. 6 is a schematic view of a state after assembling of an assembled steel guide beam according to an embodiment of the present invention;
fig. 7 is a schematic view of an assembled steel beam provided in an embodiment of the present invention in a state after assembling;
fig. 8 is a schematic top view of a bridge arrangement of a steel truss according to an embodiment of the present invention.
In the drawings: 1. a steel truss beam; 2. a steel box crossbeam portal pier; 3. passing the railway center line downwards; 4. a steel box cross beam; 5. a gate pier upright post; 6. pushing the slideway surface; 7. a special unit section; 8. a general unit section; 9. longitudinally moving the steel guide beam; 10. traversing the slideway beam; 11. a full range stress surface; 12. a slider case; 13. and (4) supporting stand columns.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 6, fig. 6 is a schematic view of a state after assembly of an assembled steel guide beam provided by an embodiment of the present invention, and a bridge translation construction structure includes a general unit section and/or a special unit section, where the general unit section is used to expand a supporting surface, and the special unit section is used to connect a steel box beam and the general unit section.
In the embodiment of the invention, one side of the special unit section 7 is used for connecting the steel box crossbeam 4, the other side of the special unit section is used for connecting the universal unit section 8, and the universal unit section 8 is used for expanding a supporting surface; the universal unit sections 8 connected with the special unit sections 7 are used for bearing, and the mutual connection of the universal unit sections can expand the area of a supporting surface; and the universal unit section 8 can be repeatedly used in different projects, and the utilization rate is high. The special unit section 7 is specially designed according to the conditions of different projects, so that the special unit section can be connected with the steel box cross beam 4 and the universal unit section 8.
As shown in fig. 7, the universal unit sections can be connected with each other as a preferred embodiment of the present invention.
In the embodiment of the invention, the universal unit sections 8 can be connected with each other for adjusting the length of the supporting surface according to the field condition.
As shown in fig. 7, as a preferred embodiment of the present invention, the universal unit sections are connected by detachable connections.
In the embodiment of the invention, the universal unit sections 8 are detachably connected, preferably, the universal unit sections can be connected by bolts, so that the universal unit sections can be flexibly installed and detached, and the construction efficiency on site is improved.
As shown in figure 7, as a preferred embodiment of the invention, the special unit sections are connected with the steel box cross beams and the universal unit sections through detachable connection.
In the embodiment of the invention, two sides of the special unit section 7 are respectively connected with the steel box cross beam 4 and the universal unit section 8 through detachable connection, preferably, bolt connection can be adopted.
As shown in fig. 3, 4, 5, 6 and 7, as a preferred embodiment of the present invention, the universal unit section is structured on one side with a full range of support capabilities.
In the embodiment of the invention, the universal unit section is usually steel one-way bearing according to the situation of field construction, and the full-range stress surface 11 arranged on one side can ensure the use stability of the universal unit section 8 and prolong the service life of the universal unit section.
As shown in fig. 6 and 7, as a preferred embodiment of the present invention, the universal unit joint is a structure that is universal in both front and back.
In the embodiment of the invention, the bearing surfaces of the transverse moving slideway beam 10 and the longitudinal moving steel guide beam 9 are opposite, and the whole range stress surface 11 of the universal unit section always faces the bearing surfaces, so that the universal unit section 8 is overturned for use when in use, and the applicability of the universal unit section 8 is improved through a forward and reverse universal connecting structure arranged at the connecting part.
The invention also provides a bridge translation construction device which comprises the support stand columns for supporting and the sliding block box for sliding, and the bridge translation construction device further comprises the bridge translation construction structure.
As a preferred embodiment of the present invention, the bracket columns 13 are used for supporting the bridge translational construction structure, and the slider boxes 12 are used for moving the bridge translational construction structure relative to the bridge piers.
The invention also provides a construction method for crossing the existing line bridge, according to the existing line, the relative position of the bridge to be erected and the field condition, the bridge construction transfer structure is assembled into the longitudinal moving steel guide beam and/or the transverse moving slideway beam to be constructed, and the steel box cross beam and/or the transverse moving slideway beam are moved to the designed position through the assembled longitudinal moving steel guide beam.
In the embodiment of the invention, fig. 1 and fig. 8 are respectively a schematic front view and a top view of a bridge type arrangement of a certain steel truss girder, the certain bridge steel truss girder 1 is obliquely intersected with a railway line 3, and a main pier adopts a steel box cross beam portal pier 2. During construction, the steel box crossbeam 4 is pushed to a designed position to be connected with the gate pier upright post 5 into a whole, after the installation of the gate pier 2 is completed, the transverse sliding slideway beam is installed on the gate pier 2 and the support of the steel box crossbeam which is constructed, and finally the steel truss beam 1 which is prefabricated on one side of the railway line 3 in advance is transversely moved to the designed position. Firstly, comprehensively analyzing the structures of a longitudinal moving steel guide beam 9 and a transverse moving slideway beam 10 required by a bridge to be constructed, then dividing the longitudinal moving steel guide beam 9 and the transverse moving slideway beam 10 into a plurality of mutually connected unit sections according to the integral structure and stress characteristics of the longitudinal moving steel guide beam 9 and the transverse moving slideway beam 10, finally dividing the unit sections into a special unit section 7 and a general unit section 8 according to the positions and stress conditions of the unit sections, and specifically designing the two unit sections to enable the two unit sections to meet the requirements of the longitudinal moving steel guide beam 9 and the transverse moving slideway beam 10 to be designed after being connected into a whole. The longitudinally-moving steel guide beam 9 obtained by combination drives the steel box cross beam 4 connected with the longitudinally-moving steel guide beam to slide to a designed position along the pushing slideway surface 6; the combined transverse sliding way beam 10 drives the bridge to transversely move to a design position.
As shown in fig. 3 and 6, as a preferred embodiment of the present invention, when assembling the longitudinal moving steel guide beam, one end of the special unit section is connected with the steel box beam, and the other end is connected with a plurality of sections of general unit sections connected end to end, and the whole range of the general unit section faces downward.
In the embodiment of the invention, when the longitudinal moving steel guide beam 9 needs to be assembled in construction in a project, one end of the special unit section 7 is connected with the steel box cross beam 4, the other end of the special unit section is connected with the general unit section 8, the general unit section 8 can be continuously connected with the general unit section 8 according to the length of the longitudinal moving steel guide beam 9, and as the main bearing side of the longitudinal moving steel guide beam 9 is positioned at the lower side, the whole range stress surface 11 of the connected general unit section 8 needs to be ensured to face downwards during installation. The longitudinally moving steel guide beam 9 obtained by combination slides along the pushing slideway surface 6 through a slide block box 12 arranged below, so that the steel box cross beam 4 connected with the longitudinally moving steel guide beam is driven to slide along the pushing slideway surface 6.
As shown in fig. 7, as a preferred embodiment of the present invention, when assembling the sliding track beam, the multiple universal unit sections are connected end to end, and the supporting surface of the whole area faces upward, and the universal unit sections connected end to end are entirely away from the supporting surface side, and one end of each universal unit section is fixed to the top surface of a pier, and the other end of each universal unit section is fixedly connected to a supporting column arranged on one side of a bridge.
In the embodiment of the invention, when the transverse sliding track beam 10 needs to be assembled in construction in a project, the multiple sections of universal unit sections 8 are connected end to end, as the main bearing surface of the transverse sliding track beam 10 is positioned at the upper side, the whole range of stress surfaces 11 of the connected universal unit sections 8 need to be ensured to face upwards in installation, the transverse sliding track beam 10 obtained by assembly is arranged perpendicular to the bridge, one end of the transverse sliding track beam is directly fixed with the top surface of the steel box crossbeam portal pier 2, the other end of the transverse sliding track beam extends out of the bridge and is supported and fixed by the supporting upright posts 13 arranged at one side. When the steel truss sliding device is used, the upper side of a transverse sliding track beam 10 formed by connecting universal unit sections 8 is connected with the steel truss 1 in a sliding mode through a sliding block box 12, and the transverse sliding track beam 10 slides relative to the sliding block box 12.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a bridge translation construction structures, its characterized in that includes general unit festival and/or special unit festival, general unit festival is used for expanding the holding surface, special unit festival is used for connecting steel case crossbeam and general unit festival.
2. The translational bridge construction structure according to claim 1, wherein the universal unit sections can be connected with each other.
3. The translational bridge construction structure according to claim 2, wherein the universal unit sections are connected through detachable connection.
4. The bridge translation construction structure according to claim 2, wherein the dedicated unit sections are detachably connected with the steel box cross beam and the general unit sections.
5. A bridge translation construction structure according to claim 3 or 4, characterized in that one side of the universal unit section is a structure with full-range supporting capability.
6. The bridge translational construction structure according to claim 5, wherein the joint of the universal unit section is a forward-reverse universal structure.
7. A bridge translation construction device comprises a support stand column for supporting and a sliding block box for sliding, and is characterized by further comprising the bridge translation construction structure according to any one of claims 1-6.
8. A construction method for crossing an existing line bridge is characterized in that according to the existing line, the relative position of a bridge to be erected and the site conditions, the bridge translation construction structure as claimed in any one of claims 1 to 6 is assembled into a longitudinal movement steel guide beam and/or a transverse movement slideway beam to be erected, and the assembled longitudinal movement steel guide beam is used for moving a steel box cross beam and/or the transverse movement slideway beam to move the bridge to a designed position.
9. The construction method for crossing an existing line bridge as claimed in claim 8, wherein when the longitudinal shifting steel guide beam is assembled, one end of the special unit section is connected with the steel box beam, the other end is connected with a plurality of sections of general unit sections which are connected end to end, and the full-range supporting surface of the general unit section faces downwards.
10. The method as claimed in claim 8, wherein the plurality of universal unit sections are connected end to end with the entire supporting surface facing upward when the sliding girder is assembled, and the universal unit sections connected end to end are integrally spaced apart from the supporting surface, and have one end fixed to a top surface of a pier and the other end fixedly connected to a supporting post provided at one side of the bridge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010031767.6A CN111206513B (en) | 2020-01-13 | 2020-01-13 | Bridge translation construction structure and device and construction method for crossing existing line bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010031767.6A CN111206513B (en) | 2020-01-13 | 2020-01-13 | Bridge translation construction structure and device and construction method for crossing existing line bridge |
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| CN111206513A true CN111206513A (en) | 2020-05-29 |
| CN111206513B CN111206513B (en) | 2021-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962402A (en) * | 2020-08-11 | 2020-11-20 | 中交路桥建设有限公司 | Lateral sliding installation method for steel box girder |
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| DE2455985B1 (en) * | 1974-11-27 | 1975-06-26 | Gruen & Bilfinger Ag | Bearing construction for the lateral insertion of a bridge superstructure |
| CN102182147B (en) * | 2011-03-31 | 2012-12-05 | 中铁港航局集团第二工程有限公司 | Steel box girder erection method |
| CN103614969A (en) * | 2013-12-10 | 2014-03-05 | 中铁二十局集团第一工程有限公司 | Steel truss girder assembling, erecting and construction process |
| CN105369743A (en) * | 2015-10-20 | 2016-03-02 | 中铁十四局集团第三工程有限公司 | Large-span steel truss incremental launching steel nose girder |
| CN109868750A (en) * | 2019-04-04 | 2019-06-11 | 中铁八局集团有限公司 | A kind of freely-supported steel truss girder four-point supporting pushing tow system and pushing method |
| CN209907228U (en) * | 2019-04-29 | 2020-01-07 | 广西路桥工程集团有限公司 | Steel beam pushing and guiding device |
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2020
- 2020-01-13 CN CN202010031767.6A patent/CN111206513B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2455985B1 (en) * | 1974-11-27 | 1975-06-26 | Gruen & Bilfinger Ag | Bearing construction for the lateral insertion of a bridge superstructure |
| CN102182147B (en) * | 2011-03-31 | 2012-12-05 | 中铁港航局集团第二工程有限公司 | Steel box girder erection method |
| CN103614969A (en) * | 2013-12-10 | 2014-03-05 | 中铁二十局集团第一工程有限公司 | Steel truss girder assembling, erecting and construction process |
| CN105369743A (en) * | 2015-10-20 | 2016-03-02 | 中铁十四局集团第三工程有限公司 | Large-span steel truss incremental launching steel nose girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111962402A (en) * | 2020-08-11 | 2020-11-20 | 中交路桥建设有限公司 | Lateral sliding installation method for steel box girder |
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| CN111206513B (en) | 2021-08-17 |
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