CN217419323U - A mounting system for hanging to water box girder construction - Google Patents
A mounting system for hanging to water box girder construction Download PDFInfo
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- CN217419323U CN217419323U CN202220230409.2U CN202220230409U CN217419323U CN 217419323 U CN217419323 U CN 217419323U CN 202220230409 U CN202220230409 U CN 202220230409U CN 217419323 U CN217419323 U CN 217419323U
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- pier
- bracket
- support
- rod
- fixedly connected
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 5
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a mounting system for hanging to water box girder construction relates to bridge construction technical field. The pier support assembly comprises two pier support assemblies, wherein the two pier support assemblies are arranged between two limbs of a pier and are respectively and fixedly connected to the two limbs of the pier; the inter-pier support assembly comprises a first support and a first connecting piece; the first connecting piece is fixedly connected to one limb of the pier, and the first connecting piece fixedly connects the first support to one opposite inner side surface of two limbs of the pier; the six pier side bracket assemblies are respectively and fixedly connected to six outer side surfaces of two limbs of the pier; the pier side support assembly comprises a second support and a second connecting piece, the second connecting piece is fixedly connected to one limb of the pier, and the second connecting piece fixedly connects the second support to the outer side face of the other limb of the pier. The utility model discloses simple structure, construction cost is low, and construction convenience can practice thrift the engineering time, ensures construction quality.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, more specifically say, relate to a mounting system for hanging to water box girder construction.
Background
For the construction of a large-span cantilever casting box girder bridge with the length of the side span cast-in-place section close to half of the length of the 0# block, the 0# block of the main pier is constructed by a triangular bracket, the side span cast-in-place section is constructed by a floor type steel pipe bracket, and the side pier capping beam is constructed by a core rod bracket method. The prior technical scheme has the advantages of various materials, high material consumption, high cost and no material reutilization; the used processes are various, the requirements on the construction technology of workers are high, and the construction quality is difficult to control; the floor type steel pipe support has high requirement on foundation treatment, long erection time and longer construction period.
Disclosure of Invention
The utility model aims to solve the technical problem that a mounting system for hanging and watering box girder construction is provided, solve the construction process complicacy that present boundary span cast-in-place section length is close to the half a large-span of 0# block length and hang and water box girder bridge, the material consumes energy big, unable reuse material and the technical problem of construction cycle length.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a mounting system for cantilever box girder construction includes:
the pier bracket assembly is arranged between two limbs of the pier; the inter-pier support assembly comprises a first support and a first connecting piece; the first connecting piece is fixedly connected to one limb of the pier, and the first connecting piece fixedly connects the first support to one opposite inner side surface of two limbs of the pier;
the six pier side bracket assemblies are respectively and fixedly connected to six outer side surfaces of two limbs of the pier; the pier side support assembly comprises a second support and a second connecting piece, the second connecting piece is fixedly connected to one limb of the pier, and the second connecting piece is fixedly connected to the second support on the outer side face of one limb of the pier.
Preferably, the first support comprises a first vertical rod, a first cross rod and a first inclined rod; the first vertical rod is arranged on one inner side surface of two limbs of the bridge pier along the vertical direction, and the lower end and the upper end of the first vertical rod are fixedly connected with the bridge pier through the first connecting piece respectively; the first cross rod is arranged along the horizontal direction, and one end of the first cross rod is fixedly connected with the upper end of the first vertical rod; the two ends of the first inclined rod are respectively connected with the lower end of the first vertical rod and one end, far away from the first vertical rod, of the first cross rod.
Preferably, the two ends of the first cross rod are respectively provided with a first lug plate and a second lug plate, the first lug plate is connected with the first vertical rod, and the second lug plate is connected with the first inclined rod.
Preferably, the first connecting member includes a first bracket box, a first steel plate, a first finish-rolled deformed steel bar, and a first anchor bolt; first bracket box with first steel sheet is pre-buried on the pier, the lower extreme of first support with first bracket box fixed connection, first finish rolling screw-thread steel passes first support with the pier passes through first anchor bolt will first support fixed connection be in on the pier.
Preferably, the second bracket comprises a second vertical rod, a second cross rod and a second inclined rod; the second vertical rods are arranged on the outer side surfaces of two limbs of the bridge pier along the vertical direction, and the lower ends and the upper ends of the second vertical rods are connected with the bridge pier through the second connecting pieces respectively; the second cross rod is arranged along the horizontal direction, and one end of the second cross rod is fixedly connected with the upper end of the second vertical rod; and two ends of the second inclined rod are respectively connected with the lower end of the second vertical rod and one end of the second cross rod, which is far away from the second vertical rod.
Preferably the second connector comprises a second corbel box, a second steel plate, a second finish-rolled deformed steel bar and a second anchor bolt; the second bracket box and the second steel plate are pre-embedded on the pier body, and the lower end of the second support is fixedly connected to the second bracket box; the upper end of the second bracket is fixedly connected with the second steel plate; and the second finish-rolled deformed steel bar penetrates through the second support and the pier, and the second support is fixedly connected to the pier through the second anchor bolt.
Preferably, the first bracket and the second bracket are both made of section steel welding.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
1. the utility model has simple structure and convenient construction, can save construction time and ensure construction quality;
2. for the construction of a bridge with the length of the side span cast-in-place section of the cantilever box girder being close to half of the length of the 0# block, the parts adopted by the first support and the second support can be recycled, the construction cost is reduced, and the resources are saved.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic structural view of a first bracket;
in the figure: 1. an inter-pier bracket assembly; 11. a first bracket; 111. a first upright stanchion; 112. a first cross bar; 113. a first diagonal bar; 114. a first ear plate; 115. a second ear panel; 12. a first connecting member; 121. a first corbel box; 122. a first steel plate; 123. first finish rolling deformed steel bar; 124. a first anchor bolt; 2. a pier-side bracket assembly; 21. a second bracket; 211. a second upright stanchion; 212. a second cross bar; 213. a second diagonal rod; 22. a second connecting member; 221. a second corbel box; 222. a second steel plate; 223. secondly, finish rolling the deformed steel bar; 224. a second anchor bolt; 3. and (6) bridge pier.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. 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 application.
For the construction of a bridge with the length of the side span cast-in-place section of the cantilever box girder being close to half of the length of the 0# block, the bracket collaborative design of the main pier 0#, the side pier capping beam and the side span cast-in-place section is considered, and a triangular bracket suitable for the construction of the main pier and the side pier can be adopted through stress calculation.
As shown in fig. 1-2, a bracket system for construction of a cantilever box girder includes two inter-pier bracket assemblies 1, wherein, two piers 3 have eight faces in total, two opposite faces are called inner faces, and the other six faces are called outer faces, and the inter-pier bracket assemblies 1 are fixed between two limbs of a pier body, namely on the two inner faces. The pier-to-pier bracket assembly 1 comprises a first bracket 11 and a first connecting piece 12; the first connecting member 12 is fixedly connected to one limb of the pier 3, and the first connecting member 12 fixedly connects the first bracket 11 to an opposite inner side surface of the two limbs of the pier 3.
The bracket system also comprises six pier-side bracket components 2, and the six pier-side bracket components 2 are respectively and fixedly connected to six outer side surfaces of two limbs of the pier 3; the pier-side bracket assembly 2 includes a second bracket 21 and a second connecting member 22, the second connecting member 22 is fixedly connected to one limb of the pier 3, and the second connecting member 22 fixedly connects the second bracket 21 to an outer side surface of one limb of the pier 3.
Wherein, the first bracket 11 comprises a first vertical rod 111, a first cross rod 112 and a first inclined rod 113; the first vertical rod 111 is arranged on one inner side surface of two limbs of the pier 3 along the vertical direction, and the lower end and the upper end of the first vertical rod 111 are respectively fixedly connected with the pier 3 through a first connecting piece 12; the first cross bar 112 is arranged along the horizontal direction, and one end of the first cross bar 112 is fixedly connected with the upper end of the first vertical rod 111; two ends of the first inclined rod 113 are respectively connected with the lower end of the first vertical rod 111 and one end of the first cross rod 112 far away from the first vertical rod 111. A first ear plate 114 and a second ear plate 115 are respectively arranged at two ends of the first cross rod 112, the first ear plate 114 is connected with the first vertical rod 111, and the second ear plate 115 is connected with the first inclined rod 113.
The first connecting member 12 includes a first bracket box 121, a first steel plate 122, a first finish-rolled deformed steel bar 123, and a first anchor bolt 124; first bracket box 121 and first steel sheet 122 are pre-buried on pier 3, the lower extreme and the first bracket box fixed connection of first support 11, and first finish rolling screw-thread steel 123 passes first support 11 and pier 3 and passes through first anchor bolt 124 with first support 11 fixed connection on pier 3.
The second bracket 21 comprises a second vertical rod 211, a second cross rod 212 and a second inclined rod 213; the second vertical rods 211 are arranged on the outer side surfaces of the two limbs of the pier 3 along the vertical direction, and the lower ends and the upper ends of the second vertical rods 211 are respectively connected with the pier 3 through second connecting pieces 22; the second cross bar 212 is arranged along the horizontal direction, and one end of the second cross bar 212 is fixedly connected with the upper end of the second vertical bar 211; two ends of the second inclined rod 213 are respectively connected to the lower end of the second vertical rod 211 and one end of the second cross rod 212 far away from the second vertical rod 211.
The second connection member 22 includes a second bracket box 221, a second steel plate 222, a second finish-rolled deformed steel 223, and a second anchor bolt 224; the second bracket box 221 and the second steel plate 222 are pre-embedded on the pier body, and the lower end of the second bracket 21 is fixedly connected to the second bracket box 221; the upper end of the second bracket 21 is fixedly connected with the second steel plate 222; the second finish-rolled deformed steel bar 223 passes through the second bracket 21 and the pier 3, and fixedly couples the second bracket 21 to the pier 3 by the second anchor bolt 224. Wherein the first finish-rolled deformed steel bar 123 and the second finish-rolled deformed steel bar 223 share a set of partial anchoring regions.
The first bracket 11 and the second bracket 21 are made of a steel profile by welding. Specifically, the first support 11 is formed by welding 16 # channel steel with the length of 7000mm, the second support 21 is made of double-spliced 20b I-shaped steel, and all the section steel is made of Q235 steel; the finish-rolled deformed steel bar adopts JL32 finish-rolled deformed steel bar, and a steel plate with the thickness of 20mm, the length of 700mm and the width of 483mm is arranged between the anchor bolt of the finish-rolled deformed steel bar and a pier stud; the first bracket 11 extends into the first bracket box 121 by 400mm, and the first bracket box 121 is made of a 10mm steel plate and has the size of 400mm in length, 224mm in width and 220mm in height; the bracket is transversely provided with a double-spliced HN500 cross beam, the cross beam is provided with a slope adjusting support, and the slope adjusting support is formed by welding 16 # channel steel.
The utility model discloses an application method as follows:
when the main pier is constructed, a first steel plate 122, a second steel plate 222, a first bracket box 121 and a second bracket box 221 are pre-buried on the main pier body, a first support 11 and a second support 21 are integrally assembled on a construction site, the first support 11 and the second support 21 are hung and placed to the corresponding first bracket box 121 and the second bracket box 221 by a crane, finish-rolled deformed steel bars are penetrated, tensioning is carried out according to the designed tensioning control stress, anchoring is carried out through bolts, and the first support 11 and the second support 21 are fixed on the pier 3; and (5) mounting the main cross beam and the longitudinal distribution beam.
During side pier construction, corresponding bracket box and steel sheet are pre-buried according to the construction design drawing on one's body at the side pier mound, and first support 11 and second support 21 are wholly demolishd after 0# piece construction of cantilever box girder is accomplished, and the turnover is transferred and is transported to the side pier position and install, and the installation flow is unanimous with the main pier, and first support 11 and the unchangeable of second support 21 structure size form, only the transverse bridge is to the interval change.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. A mounting system for cantilever box girder construction, comprising:
the pier bracket assembly (1), the pier bracket assembly (1) is arranged between two limbs of the pier (3); the pier-to-pier bracket assembly (1) comprises a first bracket (11) and a first connecting piece (12); the first connecting piece (12) is fixedly connected to one limb of the pier (3), and the first support (11) is fixedly connected to one opposite inner side surface of the two limbs of the pier (3) by the first connecting piece (12);
the six pier side bracket assemblies (2) are respectively and fixedly connected to six outer side surfaces of two limbs of the pier (3); pier side support subassembly (2) include second support (21) and second connecting piece (22), second connecting piece (22) fixed connection be in on a limb of pier (3), just second connecting piece (22) will second support (21) fixed connection be in on a limb of pier (3) on the lateral surface.
2. A bracket system for construction of a cantilever box girder according to claim 1, wherein the first bracket (11) comprises a first vertical rod (111), a first horizontal rod (112) and a first diagonal rod (113); the first vertical rod (111) is arranged on one inner side surface of two limbs of the pier (3) along the vertical direction, and the lower end and the upper end of the first vertical rod (111) are fixedly connected with the pier (3) through the first connecting piece (12) respectively; the first cross rod (112) is arranged along the horizontal direction, and one end of the first cross rod (112) is fixedly connected with the upper end of the first vertical rod (111); two ends of the first inclined rod (113) are respectively connected with the lower end of the first vertical rod (111) and one end, far away from the first vertical rod (111), of the first cross rod (112).
3. The bracket system for the construction of the cantilever box girder according to claim 2, wherein a first lug plate (114) and a second lug plate (115) are respectively provided at both ends of the first cross bar (112), the first lug plate (114) is connected with the first vertical bar (111), and the second lug plate (115) is connected with the first diagonal bar (113).
4. The bracket system for cantilever box girder construction according to claim 1, wherein the first connection member (12) comprises a first bracket box (121), a first steel plate (122), a first finish-rolled deformed steel bar (123), and a first anchor bolt (124); first bracket box (121) with first steel sheet (122) are pre-buried on pier (3), the lower extreme of first support (11) with first bracket box fixed connection, first finish rolling screw-thread steel (123) pass first support (11) with pier (3) and will through first anchor bolt (124) first support (11) are connected on pier (3).
5. A bracket system for cantilever box girder construction according to claim 1, wherein the second bracket (21) comprises a second vertical rod (211), a second cross rod (212) and a second diagonal rod (213); the second vertical rods (211) are arranged on the outer side surfaces of two limbs of the bridge pier (3) along the vertical direction, and the lower ends and the upper ends of the second vertical rods (211) are connected with the bridge pier (3) through second connecting pieces (22) respectively; the second cross rod (212) is arranged along the horizontal direction, and one end of the second cross rod (212) is fixedly connected with the upper end of the second vertical rod (211); and two ends of the second inclined rod (213) are respectively connected with the lower end of the second vertical rod (211) and one end, far away from the second vertical rod (211), of the second cross rod (212).
6. The bracket system for the construction of the cantilever box girder according to claim 1, wherein the second connection member (22) comprises a second bracket box (221), a second steel plate (222), a second finish-rolled screw steel (223), and a second anchor bolt (224); the second bracket box (221) and the second steel plate (222) are pre-buried on the pier body, and the lower end of the second bracket (21) is fixedly connected to the second bracket box (221); the upper end of the second bracket (21) is fixedly connected with the second steel plate (222); and the second finish-rolled deformed steel bar (223) penetrates through the second bracket (21) and the pier (3), and the second bracket (21) is fixedly connected to the pier (3) through the second anchor bolt (224).
7. A support system for cantilever box girder construction according to any one of claims 1 to 6, wherein the first support (11) and the second support (21) are both made of steel sections welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220230409.2U CN217419323U (en) | 2022-01-27 | 2022-01-27 | A mounting system for hanging to water box girder construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220230409.2U CN217419323U (en) | 2022-01-27 | 2022-01-27 | A mounting system for hanging to water box girder construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217419323U true CN217419323U (en) | 2022-09-13 |
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ID=83177229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220230409.2U Expired - Fee Related CN217419323U (en) | 2022-01-27 | 2022-01-27 | A mounting system for hanging to water box girder construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217419323U (en) |
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2022
- 2022-01-27 CN CN202220230409.2U patent/CN217419323U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |