CN216379210U - Integrated support structure for dismantling and building urban navigation large-span bridge - Google Patents
Integrated support structure for dismantling and building urban navigation large-span bridge Download PDFInfo
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- CN216379210U CN216379210U CN202122976681.3U CN202122976681U CN216379210U CN 216379210 U CN216379210 U CN 216379210U CN 202122976681 U CN202122976681 U CN 202122976681U CN 216379210 U CN216379210 U CN 216379210U
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Abstract
The utility model provides a disassembly and construction integrated supporting structure for an urban navigation large-span bridge, which comprises an original beam body and an old bridge pier, wherein a plurality of mounting holes are arranged at the upper end and the lower end of the original beam body in a penetrating manner, steel pipe pile groups are mounted through the mounting holes, a Z-shaped reinforcing steel group is arranged between the adjacent steel pipe pile groups in the transverse bridge direction to ensure the transverse stability of the supporting structure, and the bridge is disassembled and mounted by mounting and disassembling the supporting groups and mounting the supporting groups in a distributed manner, so that the supporting structure does not need to be disassembled and mounted again in bridge construction, the strength between the structures is high and stable, the construction can be stably carried out, and the construction stability is also ensured.
Description
Technical Field
The utility model relates to the field of bridge construction, in particular to a disassembly and construction integrated supporting structure for an urban navigation long-span bridge.
Background
With the rapid development of economy in China, infrastructure is continuously upgraded, traffic flow is increasing day by day, and urban road reconstruction and expansion become common construction engineering categories. The new construction of old bridge demolition in the reconstruction and extension of roads is a trend of the current urban traffic development, and the traditional construction of bridge demolition is that a support structure is firstly erected from bottom to top, and after the bridge structure to be demolished is supported and stabilized, the cutting and demolition work is carried out. However, the large-span bridge spanning the navigation water area is limited by the navigation water area, the terrain, the surrounding environment and the like, the construction space under the beam bottom is limited near the newly-built auxiliary bridge, and the traditional construction structure cannot be adopted. After the existing bridge is dismantled, a supporting structure needs to be erected again when a bridge is newly built in the original site, so that the construction period is prolonged, the construction cost is high, the number of input personnel is large, and the construction becomes more complicated.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention is directed to solving the above-described problems. An object of the present invention is to provide an integrated support structure for dismantling and building a large-span bridge in urban navigation, which solves the above problems, and by which the support structure does not need to be rebuilt when a new bridge is installed after an old bridge is dismantled, and the integrated structure has stable strength, short construction period, low construction cost, less need of constructors, and simpler construction.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a disassembly and construction integrated supporting structure for an urban navigation large-span bridge comprises an original beam body and an old bridge pier arranged below the original beam body, wherein a plurality of mounting holes are formed in the upper end and the lower end of the original beam body in a penetrating mode; a plurality of mounting holes are arranged at equal intervals along the transverse bridge direction of the original beam body, and a plurality of rows of mounting holes are arranged along the bridge direction of the original beam body; the top end of the steel pipe pile group is lower than the bottom surface of the original beam body; a reinforcing steel group is fixedly arranged between the adjacent steel pipe pile groups in the transverse bridge direction and is arranged in a Z shape; a capping steel plate is fixedly arranged at the top end of the steel pipe pile group; the detachable support group comprises a first welding bracket, a first construction platform, an I-shaped steel beam, a butt steel pipe and a butt steel plate; the first welding bracket is fixedly arranged at the upper part of the steel pipe pile group, and the first construction platform is fixedly connected with the first welding bracket; the I-shaped steel cross beams are fixedly arranged at the upper ends of the capping steel plates in each row; a plurality of abutting steel pipes are fixedly arranged at the upper end of the I-shaped steel beam at equal intervals; the abutting steel plate is fixedly arranged between the original beam body and the abutting steel pipe; after the original beam body is dismantled, an installation support group is additionally arranged on the dismantling support group; the mounting support group comprises a plurality of lengthened piles which are fixedly arranged on the dismounting support group; a plurality of groups of second welding brackets are fixedly arranged at the upper part of the lengthened pile, and a second construction platform is fixedly arranged on each second welding bracket; a double-spliced I-shaped steel beam is fixedly arranged at the top end of the lengthened pile in the transverse bridge direction; a plurality of connecting steel pipes are fixedly arranged at the top end of the double-spliced I-shaped steel beam, stiffening steel plates are fixedly arranged on two sides of the double-spliced I-shaped steel beam, a plurality of groups of limiting steel plates are fixedly arranged at the top of the lengthened pile, and the limiting steel plates are fixedly arranged on two sides of the stiffening steel plates. The original beam body is used as a construction platform installation supporting structure, the dismounting support combined installation supporting group is additionally arranged step by step to play the roles of dismounting and installation, and the structural stability of the dismounting support combined installation supporting group can ensure the safety of construction.
The preferable technical scheme of the utility model is that a plurality of groups of connecting groups are fixedly arranged between the steel pipe pile groups arranged in a single row along the bridge direction at intervals, each connecting group comprises a plurality of first channel steel arranged transversely, and a fixed steel plate is fixedly arranged between the steel pipe pile group and two ends of the first channel steel; a support piece is fixedly arranged between the adjacent first channel steels and is in an X shape; the left end and the right end of the supporting piece are fixedly connected with the steel pipe pile group. The stability and the strength between the steel pipe pile groups along the bridge direction are enhanced through the connecting group.
The preferable technical scheme of the utility model is that the bottom of the lengthened pile is provided with a groove part, the inner side wall of the groove part is fixedly connected with the abutting steel pipe, and the bottom of the groove part is fixedly connected with the abutting steel plate; the bottom end of the lengthened pile is fixedly connected with the top end of the I-shaped steel beam. The structural strength between the lengthened pile and the detachable support group is enhanced through the groove parts.
The preferable technical scheme of the utility model is that the bottom of the outer side wall of the lengthened pile is fixedly provided with a connecting steel plate, and the connecting steel plate is fixedly connected with the top end of the I-shaped steel beam. The stability and the strength of the lengthened pile are further enhanced from the bottom of the outer side of the lengthened pile.
The preferred technical scheme of the utility model is that after the original beam body is dismantled, the upper end of the old bridge pier axially extends to form a new bridge pier; a connecting member is fixedly arranged between the new pier and the lengthened piles adjacent to the two sides of the new pier, the connecting member comprises a second channel steel, one end of the second channel steel is fixedly connected with the new pier, and the other end of the second channel steel is fixedly connected with the lengthened piles; the novel bridge pier structure further comprises deformed steel bars, wherein the deformed steel bars penetrate through the novel bridge pier and the lengthened piles on the two sides of the novel bridge pier; one side of the lengthened pile, which is far away from the new bridge pier, is fixedly provided with a third channel steel, and the third channel steel is arranged in the transverse bridge direction. Through setting up connecting elements, let partial extension stake and new pier fixed connection to guarantee holistic structural strength and stability.
The utility model also comprises a gantry crane track foundation which is arranged at two sides of the original beam body, and a steel pipe component is fixedly arranged between the gantry crane track foundation and the steel pipe pile group at the two outermost sides of the transverse bridge direction and is arranged in a Z shape. The stability of the gantry crane track foundation is enhanced, and the gantry crane installation component is ensured to be safer and more stable.
The preferable technical scheme of the utility model is that the steel pipe pile group comprises a plurality of longitudinally connected steel pipe piles and a plurality of reinforcing steel plates, the reinforcing steel plate fixing circumference is arranged on the outer side wall of each steel pipe pile, and the reinforcing steel plates are fixedly arranged between the adjacent steel pipe piles. Further strengthen the holistic stability of steel pipe pile group and guarantee overall structure intensity.
The utility model has the beneficial effects that:
the utility model provides a disassembly and construction integrated supporting structure for an urban navigation large-span bridge, which comprises an original beam body and an old bridge pier, wherein a plurality of mounting holes are arranged at the upper end and the lower end of the original beam body in a penetrating manner, steel pipe pile groups are mounted through the mounting holes, a Z-shaped reinforcing steel group is arranged between the adjacent steel pipe pile groups in the transverse bridge direction to ensure the transverse stability of the supporting structure, and the bridge is disassembled and mounted by mounting and disassembling the supporting groups and mounting the supporting groups in a distributed manner, so that the supporting structure does not need to be disassembled and mounted again in bridge construction, the strength between the structures is high and stable, the construction can be stably carried out, and the construction stability is also ensured.
Other characteristic features and advantages of the utility model will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the utility model. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
FIG. 1 is a schematic view of a forward-direction structure of an original beam body of the utility model when the original beam body is not disassembled;
FIG. 2 is a schematic view of the horizontal bridge structure of the original beam body of the present invention when it is not disassembled;
FIG. 3 is a schematic view of the structure of the original beam body along the direction of the bridge after being disassembled.
Fig. 4 is an enlarged schematic view of the utility model at a in fig. 3.
In the figure: 1. an original beam body; 2. old bridge piers; 3. a gantry crane track foundation; 4. a steel pipe pile group; 5. disassembling the support group; 6. mounting a support group; 7. a connection group; 8. a new bridge pier; 9. a connecting member; 11. mounting holes; 31. a steel pipe member; 41. reinforcing the steel group; 42. capping the steel plate; 43. reinforcing a steel plate; 44. steel pipe piles; 51. an I-beam cross beam; 52. abutting against the steel pipe; 53. abutting against the steel plate; 54. a first welding bracket; 55. a first construction platform; 61. lengthening the pile; 62. second welding the bracket; 63. a second construction platform; 64. double-spliced I-shaped steel cross beams; 65. connecting the steel pipes; 66. a stiffened steel plate; 67. a limiting steel plate; 71. a first channel steel; 72. fixing a steel plate; 73. a support member; 91. a second channel steel; 92. deformed steel bar; 93. a third channel steel; 611. a groove part; 612. and connecting the steel plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The technical solution of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the present embodiment provides an integrated support structure for dismantling and building a large-span bridge in urban navigation, which includes an original beam body 1 and an old bridge pier 2 disposed below the original beam body 1, wherein a plurality of mounting holes 11 are formed through upper and lower ends of the original beam body 1; a plurality of mounting holes 11 are arranged at equal intervals along the transverse bridge direction of the original beam body 1, and a plurality of rows of mounting holes 11 are arranged along the bridge direction of the original beam body 1; the mounting hole 11 is coaxially and fixedly provided with a steel pipe pile group 4, and the top end of the steel pipe pile group 4 is lower than the bottom surface of the original beam body 1; a reinforcing steel group 41 is fixedly arranged between the adjacent steel pipe pile groups 4 in the transverse bridge direction, and the reinforcing steel group 41 is arranged in a Z shape; a capping steel plate 42 is fixedly arranged at the top end of the steel pipe pile group 4; the support assembly comprises a disassembly support assembly 5, wherein the disassembly support assembly 5 comprises a first welding bracket 54, a first construction platform 55, an I-shaped steel cross beam 51, an abutting steel pipe 52 and an abutting steel plate 53; the first welding bracket 54 is fixedly arranged at the upper part of the steel pipe pile group 4, and the first construction platform 55 is fixedly connected with the first welding bracket 54; the I-shaped steel cross beam 51 is fixedly arranged at the upper end of each row of capping steel plates 42; a plurality of abutting steel pipes 52 are fixedly arranged at the upper end of the I-shaped steel beam 51 at equal intervals; the abutting steel plate 53 is fixedly arranged between the original beam body 1 and the abutting steel pipe 52; the steel pipe pile group 4 includes a plurality of longitudinally connected steel pipe piles 44. When construction is started, the steel pipe pile 44 is accurately lofted and tapped at a corresponding position on the bridge floor of the original beam body 1 by using the measurement control net, a steel nail with a central mark is used for hammering the steel pipe pile into the bridge floor, then thin lines are used for pairwise crossing and binding, and the crossing position of the thin lines is the steel nail mark position; drilling four positioning holes on the bridge floor of the original beam body 1 by taking the steel nail mark as the circle center, and cutting a mounting hole 11 with the diameter larger than that of the steel pipe pile 44 by using a wire saw by taking the positioning holes as a reference; selecting a 75t crawler crane matched with DZJ-120 vibration hammers, standing on the bridge floor of the original beam body 1, longitudinally inserting and driving the steel pipe pile 44 from two sides of the original beam body 1 to the midspan through the mounting hole 11 by adopting a fishing method, hammering until the steel pipe pile 44 is 60-80cm higher than the bridge floor, lengthening the steel pipe pile 44, adopting butt welding for lengthening, and removing rust, oil stain, water vapor and sundries within the range of 30mm above and below a welding line before lengthening; after the steel pipe pile group 4 of horizontal bridge to single row is inserted and is beaten to the design degree of depth, weld between the adjacent steel pipe pile group 4 and consolidate steel group 41 with this ascending stability of horizontal bridge, wherein consolidate steel group 41 upper end apart from the bottom 1m of former roof beam body 1, the interval is 3m between the upper and lower end.
After the original beam body 1 is dismantled, the dismantling support group 5 is additionally provided with an installation support group 6; the mounting support group 6 comprises a plurality of lengthened piles 61, and the lengthened piles 61 are fixedly arranged on the dismounting support group 5; a plurality of groups of second welding brackets 62 are fixedly arranged on the upper part of the lengthened pile 61, and a second construction platform 63 is fixedly arranged on the second welding brackets 62; a double-spliced I-shaped steel beam 64 is fixedly arranged at the top end of the lengthened pile 61 in the transverse bridge direction; the top end of the double-spliced I-shaped steel beam 64 is fixedly provided with a plurality of connecting steel pipes 65, two sides of the double-spliced I-shaped steel beam 64 are fixedly provided with stiffening steel plates 66, the top of the lengthened pile 61 is fixedly provided with a plurality of groups of limiting steel plates 67, and the limiting steel plates 67 are fixedly arranged on two sides of the stiffening steel plates 66. Through setting up extension stake 61 and directly increasing on vertical, wherein further strengthen the transverse bridge through double pin I-steel crossbeam 64 and to the relation of connection between the single row extension stake 44, make it more stable, further consolidate the double pin I-steel crossbeam 64 that produces the relation of connection through stiffening steel sheet 66 and spacing steel sheet 67, welded connection steel pipe 65 makes the position that the upper end of installation support group 6 reached the new bridge of design and supports it with this at last. Through the design step by step, the new bridge can be stably and firmly installed without installing a support again after the original beam body 1 is disassembled, and a large amount of construction time, manpower and material resources are saved.
Preferably, a plurality of groups of connecting groups 7 are fixedly arranged between the steel pipe pile groups 4 arranged in a single row along the bridge direction at intervals, each connecting group 7 comprises a plurality of first channel steel 71 transversely arranged, and a fixed steel plate 72 is fixedly arranged between each steel pipe pile group 4 and each first channel steel 71; a support piece 73 is fixedly arranged between the adjacent first channel steels 71, and the support piece 73 is in an X shape; the left end and the right end of the support piece 73 are fixedly connected with the steel pipe pile group 4. Wherein, use every two sets of as a big group between the adjacent single steel pipe pile group 4 of following the bridge, the distance that steel pipe pile group 4 in same big group set up is nearer, and adjacent big inter-group distance is far away, is provided with multiunit linkage 7 between the steel pipe pile group 4 in same big group, and linkage 7 vertically sets up to this structural strength and the stability of strengthening the support that makes progress along the bridge.
Preferably, the bottom of the elongated pile 61 is provided with a groove portion 611, the inner side wall of the groove portion 611 is fixedly connected with the abutting steel pipe 52, and the bottom of the groove portion 611 is fixedly connected with the abutting steel plate 53; the bottom end of the lengthened pile 61 is fixedly connected with the top end of the I-shaped steel beam 51. The stability of the mounting support group 6 is further enhanced by inserting the dismounting support group 5 through the groove portion 611.
Further, a connecting steel plate 612 is fixedly arranged at the bottom of the outer side wall of the lengthened pile 61, and the connecting steel plate 612 is fixedly connected with the top end of the i-shaped steel beam 51. The lengthened piles 61 are further reinforced and stabilized from the outer sides of the lengthened piles through the connecting steel plates 612, and the lengthened piles 61 can be kept stable when a new bridge is supported.
Preferably, after the original beam body 1 is dismantled, the upper end of the old bridge pier 2 axially extends to form a new bridge pier 8; a connecting member 9 is fixedly arranged between the new pier 8 and the lengthened piles 61 adjacent to the two sides, the connecting member 9 comprises a second channel steel 91, one end of the second channel steel 91 is fixedly connected with the new pier 8, and the other end of the second channel steel 91 is fixedly connected with the lengthened piles 61; the bridge pier structure further comprises deformed steel bars 92, wherein the deformed steel bars 92 penetrate through the new bridge pier 8 and the lengthened piles 61 on the two sides of the new bridge pier 8; and a third channel steel 93 is fixedly arranged on one side, away from the new pier 8, of the lengthened pile 61, and the third channel steel 93 is transversely arranged in the bridge direction. Because sometimes the bridge length is longer, through letting fixed connection between the extension stake 61 that is close to new pier 8 and new pier 8 to further stabilize overall structure's stability, wherein second channel-section steel 91 sets up between new pier 8 and extension stake 61 and regard this as stop device, if extension stake 61 warp towards the direction that is close to new pier 8 to produce the outside power of butt thereto, and through the third channel-section steel 93 from the both sides of screw-thread steel 92 tensioning to extension stake 61 and produce power inwards and guarantee stability.
The steel pipe pile structure comprises a beam body 1, and is characterized by further comprising a gantry crane track foundation 3, wherein the gantry crane track foundation 3 is arranged on two sides of the beam body 1, a steel pipe component 31 is fixedly arranged between the gantry crane track foundation 3 and the steel pipe pile groups 4 on two outermost sides of the transverse bridge, and the steel pipe component 31 is arranged in a Z shape. When the supporting group 6 is erected again, a gantry crane is needed, and the steel pipe component 31 is arranged between the gantry crane track foundation 3 and the steel pipe pile groups 4 on the two sides to reinforce the firmness and the stability of the gantry crane track foundation.
The steel pipe pile group 4 comprises a plurality of longitudinally connected steel pipe piles 44 and a plurality of reinforcing steel plates 43, the reinforcing steel plates 43 are arranged on the outer side walls of the steel pipe piles 44 in a fixed circle mode, and the reinforcing steel plates 43 are fixedly arranged between the adjacent steel pipe piles 44. The structural strength of the entire steel pipe pile group 4 is further ensured by the reinforcing steel plate 43.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (7)
1. The utility model provides an integrative bearing structure is built in tearing open of city navigation large-span bridge, its characterized in that:
the bridge structure comprises an original beam body (1) and an old bridge pier (2) arranged below the original beam body (1), wherein a plurality of mounting holes (11) penetrate through the upper end and the lower end of the original beam body (1); a plurality of mounting holes (11) are arranged at equal intervals along the transverse bridge direction of the original beam body (1), and a plurality of rows of mounting holes (11) are arranged along the bridge direction of the original beam body (1); the mounting hole (11) is coaxially and fixedly provided with a steel pipe pile group (4), and the top end of the steel pipe pile group (4) is lower than the bottom surface of the original beam body (1); a reinforcing steel group (41) is fixedly arranged between the adjacent steel pipe pile groups (4) in the transverse bridge direction, and the reinforcing steel group (41) is arranged in a Z shape; a capping steel plate (42) is fixedly arranged at the top end of the steel pipe pile group (4); the steel pipe butt joint construction device is characterized by further comprising a disassembly support group (5), wherein the disassembly support group (5) comprises a first welding bracket (54), a first construction platform (55), an I-shaped steel cross beam (51), a butt joint steel pipe (52) and a butt joint steel plate (53); the first welding bracket (54) is fixedly arranged at the upper part of the steel pipe pile group (4), and the first construction platform (55) is fixedly connected with the first welding bracket (54); the I-shaped steel cross beams (51) are fixedly arranged at the upper ends of the capping steel plates (42) in each row; a plurality of abutting steel pipes (52) are fixedly arranged at the upper end of the I-shaped steel beam (51) at equal intervals; the abutting steel plate (53) is fixedly arranged between the original beam body (1) and the abutting steel pipe (52);
after the original beam body (1) is dismantled, an installation support group (6) is additionally arranged on the dismantling support group (5); the mounting support group (6) comprises a plurality of lengthened piles (61), and the lengthened piles (61) are fixedly arranged on the dismounting support group (5); a plurality of groups of second welding brackets (62) are fixedly arranged on the upper parts of the lengthened piles (61), and second construction platforms (63) are fixedly arranged on the second welding brackets (62); a double-spliced I-shaped steel beam (64) is fixedly arranged at the top end of the lengthened pile (61) in the transverse bridge direction; double pin I-steel crossbeam (64) top has set firmly a plurality of connecting steel pipes (65), double pin I-steel crossbeam (64) both sides have set firmly stiffening steel sheet (66), extension stake (61) top has set firmly spacing steel sheet of multiunit (67), spacing steel sheet (67) set firmly in stiffening steel sheet (66)'s both sides.
2. The integrated support structure for dismantling and building the urban navigable large-span bridge according to claim 1, characterized in that:
a plurality of groups of connecting groups (7) are fixedly arranged between the steel pipe pile groups (4) arranged in a single row along the bridge direction at intervals, each connecting group (7) comprises a plurality of first channel steel (71) arranged transversely, and a fixed steel plate (72) is fixedly arranged between each steel pipe pile group (4) and each first channel steel (71); a supporting piece (73) is fixedly arranged between the adjacent first channel steels (71), and the supporting piece (73) is X-shaped; the left end and the right end of the support piece (73) are fixedly connected with the steel pipe pile group (4).
3. The integrated support structure for dismantling and building the urban navigable large-span bridge according to claim 1, characterized in that:
the bottom of the lengthened pile (61) is provided with a groove part (611), the inner side wall of the groove part (611) is fixedly connected with the abutting steel pipe (52), and the bottom of the groove part (611) is fixedly connected with the abutting steel plate (53); the bottom end of the lengthened pile (61) is fixedly connected with the top end of the I-shaped steel beam (51).
4. The integrated support structure for dismantling and building the urban navigable large-span bridge according to claim 3, characterized in that:
the bottom of the outer side wall of the lengthened pile (61) is fixedly provided with a connecting steel plate (612), and the connecting steel plate (612) is fixedly connected with the top end of the I-shaped steel beam (51).
5. The integrated support structure for dismantling and building the urban navigable large-span bridge according to claim 1, characterized in that:
after the original beam body (1) is dismantled, the upper end of the old pier (2) axially extends to form a new pier (8); a connecting member (9) is fixedly arranged between the new pier (8) and the lengthened piles (61) adjacent to the two sides, the connecting member (9) comprises a second channel steel (91), one end of the second channel steel (91) is fixedly connected with the new pier (8), and the other end of the second channel steel (91) is fixedly connected with the lengthened piles (61); the bridge pier structure further comprises deformed steel bars (92), wherein the deformed steel bars (92) penetrate through the new bridge pier (8) and the lengthened piles (61) on two sides of the new bridge pier (8); one side of the lengthened pile (61) far away from the new pier (8) is fixedly provided with a third channel steel (93), and the third channel steel (93) is arranged in the transverse bridge direction.
6. The integrated support structure for dismantling and building the urban navigable large-span bridge according to claim 1, characterized in that:
still include portal crane track basis (3), portal crane track basis (3) set up in former roof beam body (1) both sides, steel pipe component (31) have set firmly between portal crane track basis (3) and the steel pipe pile group (4) of the two outmost sides of cross bridge, steel pipe component (31) are the setting of zigzag.
7. The integrated support structure for dismantling and building the urban navigable large-span bridge according to claim 1, characterized in that:
the steel pipe pile group (4) comprises a plurality of longitudinally connected steel pipe piles (44) and a plurality of reinforcing steel plates (43), the reinforcing steel plates (43) are fixedly arranged on the outer side walls of the steel pipe piles (44) in a circumferential mode, and the reinforcing steel plates (43) are fixedly arranged between the adjacent steel pipe piles (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976681.3U CN216379210U (en) | 2021-11-30 | 2021-11-30 | Integrated support structure for dismantling and building urban navigation large-span bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976681.3U CN216379210U (en) | 2021-11-30 | 2021-11-30 | Integrated support structure for dismantling and building urban navigation large-span bridge |
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| CN216379210U true CN216379210U (en) | 2022-04-26 |
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| CN202122976681.3U Active CN216379210U (en) | 2021-11-30 | 2021-11-30 | Integrated support structure for dismantling and building urban navigation large-span bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000444A (en) * | 2021-11-30 | 2022-02-01 | 中铁二十二局集团第三工程有限公司 | Urban navigation large-span bridge dismantling and building integrated supporting structure and construction method |
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2021
- 2021-11-30 CN CN202122976681.3U patent/CN216379210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000444A (en) * | 2021-11-30 | 2022-02-01 | 中铁二十二局集团第三工程有限公司 | Urban navigation large-span bridge dismantling and building integrated supporting structure and construction method |
| CN114000444B (en) * | 2021-11-30 | 2024-06-21 | 中铁二十二局集团第三工程有限公司 | Urban navigation large-span bridge disassembly and construction integrated supporting structure and construction method |
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