CN116043693A - Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket - Google Patents
Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket Download PDFInfo
- Publication number
- CN116043693A CN116043693A CN202211613388.3A CN202211613388A CN116043693A CN 116043693 A CN116043693 A CN 116043693A CN 202211613388 A CN202211613388 A CN 202211613388A CN 116043693 A CN116043693 A CN 116043693A
- Authority
- CN
- China
- Prior art keywords
- bracket
- pair
- triangular
- construction
- bent cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 53
- 239000010959 steel Substances 0.000 claims description 53
- 238000003825 pressing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000005056 compaction Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a construction bracket suitable for a large cantilever bent cap of a high pier column in water and an installation method thereof, and the construction bracket comprises triangular brackets symmetrically arranged at two sides of the pier column; truss sheets arranged at the top ends of the triangular brackets; a plurality of unloading blocks arranged at the top end of the triangular bracket; a distribution beam connecting the truss sheet and the unloading block; the first pair of pulling mechanisms and the second pair of pulling mechanisms are arranged through the pier stud and are respectively connected with the two triangular brackets, and the second pair of pulling mechanisms are arranged below the first pair of pulling mechanisms; and one end of the prepressing device is connected with the pier stud, and the other end of the prepressing device is connected with the triangular bracket. Through setting up triangle bracket, truss piece, load piece, distribution roof beam, first to drawing mechanism, second to drawing mechanism and pre-compaction device, through each part mutually supporting for the construction bracket's that the installation was accomplished stable in structure, bearing capacity is big, and bulk strength is high, and then adopts this kind of bracket to carry out the construction of aquatic big cantilever bent cap, and the security risk is little, and the time limit for a project is short and with low costs.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a construction bracket suitable for a large cantilever bent cap of a high pier column in water and an installation method thereof.
Background
The bent cap is used as an intermediary for bearing the bridge upper bridge deck structure and the lower pier column structure, and mainly transmits the load of the upper structure to the lower structure. For a continuous bridge with a large span, the more the traffic lanes, the wider the upper bridge deck, the heavier the load transmitted by the bridge deck, and the larger the bent cap arranged corresponding to the bridge deck.
Due to the limitation of construction period and site, the existing construction method of the bent cap mainly comprises construction modes such as a floor steel pipe bracket, a hoop method and the like according to the practical characteristics of engineering in consideration of convenience of construction.
The floor steel pipe support is constructed by adopting a steel pipe column, a truss and a steel frame, and the steel pipe column is installed in the range of a bearing platform, and the truss, the unloading block, the distribution beam, the steel positioning frame and the like are sequentially arranged on the steel pipe column.
The floor steel pipe bracket has the advantages of mature process and definite stress, is widely applied to the conventional land bent cap construction, but has the main defects that for the construction of the large cantilever bent cap of the pier stud in water, the defects are mainly shown in the following steps: 1) In the environment with limited sites and materials, the steel pipe piles are installed and dismantled in the cofferdam, the capping beams are poured after the pier columns are completed, the turnover efficiency of the cofferdam of the subsequent bearing platform is seriously affected, and the construction period of the pier on the line is delayed; 2) After the pouring of the capping beam is completed, the steel pipe pile support is difficult to disassemble and turn around, and materials and time are consumed; 3) The steel pipe floor stand is installed and disassembled to face a large amount of high-altitude welding operation, the safety risk is large, and the overall stability of the high pier support is poor.
The hoop rule is to install hoops on the cylindrical piers, and then install supports such as profile steel spandrel girders and the like on the hoops, and is mainly suitable for the capping girder construction on the gate-type cylindrical piers and is not suitable for large cantilever capping girders.
Therefore, the hoop method and the floor steel pipe support are generally used for the construction of the capping beams with smaller cantilever sizes, and are not suitable for the capping beams with large cantilever of the high pier stud in water, so that the problems of high safety risk, long construction period and high cost are caused.
Disclosure of Invention
The invention provides a construction bracket suitable for a large cantilever bent cap of a high pier stud in water, which is used for solving the defects of high safety risk, long construction period and high cost caused by the fact that a hoop method and a floor steel pipe bracket in the prior art are not suitable for the large cantilever bent cap of the high pier stud in water.
In order to achieve the above purpose, the technical scheme of the invention is as follows: construction bracket suitable for high pier stud big cantilever bent cap in aquatic includes:
the triangular brackets are symmetrically arranged on two sides of the pier column;
the truss sheet is arranged at the top end of the triangular bracket;
the unloading blocks are arranged in a plurality and fixed at the top end of the triangular bracket;
one end of the distribution beam is connected with the bottom end of the truss sheet, and the other end of the distribution beam is connected with the unloading block;
the first pair of pulling mechanisms penetrate through the pier columns and are respectively connected with the top ends of the two triangular brackets;
the second pair of pulling mechanisms penetrate through the pier stud and are respectively connected with the bottom ends of the two triangular brackets;
and one end of the pre-pressing device is connected with the pier stud, and the other end of the pre-pressing device is connected with the triangular bracket.
Preferably, the pre-pressing device comprises a third pair of pulling mechanisms, two stretching anchors and a steel strand rope, wherein one stretching anchor is arranged at the top end of the triangular bracket, the other stretching anchor is connected with the third pair of pulling mechanisms, and two ends of the steel strand rope are respectively connected with the two stretching anchors.
Preferably, the tensioning anchor comprises a base and a fixing block, wherein the base is provided with an inclined plane which is obliquely arranged relative to the bottom surface of the base, and the fixing block is arranged on the inclined plane.
Preferably, the first pair of pulling mechanisms, the second pair of pulling mechanisms and the third pair of pulling mechanisms all comprise prestressed steel bars, PVC pipes, anchor nuts and steel backing plates.
Preferably, the unloading block comprises a steel wedge block and a pair of pull rods, and the pair of pull rods are arranged in a penetrating mode on the steel wedge block.
Preferably, the triangular bracket comprises two main truss sheets, and the two main truss sheets are connected through a transverse connection.
Preferably, the main truss sheet comprises a cross beam, an inclined beam and a vertical beam, and the cross beam, the inclined beam and the vertical beam are mutually connected to form a triangular structure.
Preferably, a shear box is arranged at the end part of the cross beam, and a limiting bracket is arranged at the outer side of the shear box.
The second aspect of the invention also provides a method for installing a construction bracket suitable for a large cantilever capping beam of a high pier stud in water, which comprises the following steps:
s100: the pier column is provided with a first pair of pulling mechanisms and a second pair of pulling mechanisms;
s200: connecting the triangular bracket with the first pair of pulling mechanisms and the second pair of pulling mechanisms;
s300: mounting an unloading block on the triangular bracket;
s400: installing a distribution beam and an unloading block;
s500: the truss sheet is mounted to the distribution beam.
Preferably, before S300, the method further includes:
s210: the triangular bracket is preloaded by a preloading device.
Compared with the prior art, the invention has the beneficial effects that: through setting up triangle bracket, truss piece, load piece, distribution roof beam, first to drawing mechanism, second to drawing mechanism and pre-compaction device, through each part mutually supporting for the construction bracket's that the installation was accomplished stable in structure, bearing capacity is big, and bulk strength is high, and then adopts this kind of bracket to carry out the construction of aquatic big cantilever bent cap, and the security risk is little, and the time limit for a project is short and with low costs.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a construction bracket suitable for a large cantilever capping beam of a high pier stud in water;
FIG. 2 is a schematic side view of a construction bracket suitable for a large cantilever capping beam of a high pier column in water;
FIG. 3 is a schematic view of the installation structure of the pre-pressing device provided by the invention;
FIG. 4 is a schematic view of the structure of the main truss sheet provided by the invention;
FIG. 5 is a schematic diagram of the structure of the unloader block provided by the present invention;
FIG. 6 is a schematic view of a first pair of pull mechanisms provided by the present invention;
fig. 7 is a schematic structural view of a tension anchor provided by the present invention.
FIG. 8 is a flow chart of a method for installing a construction bracket suitable for a large cantilever capping beam of a high pier stud in water.
Reference numerals:
10. a triangular bracket; 11. a main truss sheet; 111. a cross beam; 112. a vertical beam; 113. a sloping beam; 12. a transverse connection is carried out; 20. truss sheets; 30. an unloading block; 31. a steel wedge; 32. a pair of tie rods; 40. a distribution beam; 50. a first pair of pull mechanisms; 51. a prestressed steel bar; 52. a PVC pipe; 53. an anchor nut; 54. a steel backing plate; 60. a second pair of pull mechanisms; 70. a pre-pressing device; 71. a third pair of pull mechanisms; 72. stretching the anchor; 721. a base; 722. a fixed block; 73. steel strand; 74. a fixed beam; 80. a shear box; 90. limiting bracket.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, an embodiment of the present application provides a construction bracket suitable for a large cantilever capping beam of a high pier column in water, which includes a triangular bracket 10, a truss sheet 20, an unloading block 30, a distribution beam 40, a first pair of pulling mechanisms 50, a second pair of pulling mechanisms 60, and a pre-pressing device 70.
In this application, the triangular bracket 10 sets up two, two triangular brackets 10 symmetry sets up in the both sides of pier stud, truss piece 20 sets up the top at triangular bracket 10, correspondingly, truss piece 20 also sets up two, unloading piece 30 sets up a plurality of and fixes the top at triangular bracket 10, the bottom of truss piece 20 is connected to the one end of distribution beam 40, unloading piece 30 is connected to the other end, distribution beam 40 straddles triangular bracket 10 setting, first pair of pulling mechanism 50 runs through the pier stud setting and connects the top of two triangular brackets 10 respectively, the second is to pulling mechanism 60 is in the below of first pair of pulling mechanism 50, second is to pulling mechanism 60 runs through the pier stud and connects the bottom of two triangular brackets 10 respectively, first pair of pulling mechanism 50 and second pair of pulling mechanism 60 coaction are with two triangular brackets 10 pair of taut, the pier stud is connected to the one end of pre-pressing device 70, its other end is connected to triangular bracket 10.
The prepressing device 70 comprises a third pair of tension mechanisms 71, tension anchors 72 and steel ropes 73, fixed beams 74 are arranged at two ends of the third pair of tension mechanisms 71, the fixed beams 74 are fixed on pier columns, two tension anchors 72 are arranged, one tension anchor 72 is arranged at the top end of the triangular bracket 10, the other tension anchor 72 is connected with the fixed beams 74, two tension anchors 72 are respectively connected with two ends of each steel rope 73, and the problem that a high pier prepresses a bracket by adopting traditional prepressing blocks is solved by adopting the tension anchors 72, the steel ropes 73, the third pair of tension mechanisms 71 and the fixed beams 74 for prepressing and matching.
Further, the tension anchor 72 includes a base 721 and a fixing block 722, the base 721 has a slope inclined with respect to the bottom surface of the base 721, and the fixing block 722 is disposed on the slope. The bottom surface of the base 721 is horizontally disposed, and when the anchor is mounted, the bottom surface of the base 721 of the tension anchor 72, the upper end surface of the triangular bracket 10, and the lower end surface of the fixed beam 74 are connected to the fixed block 722, and when the anchor is connected, the steel strand 73 is inclined with respect to the pier.
It should be understood that the first pull-to-push mechanism 50, the second pull-to-push mechanism 60 and the third pull-to-push mechanism 71 in the present application are substantially the same, and the first pull-to-push mechanism 50 will be described below as an example, specifically, the first pull-to-push mechanism 50 includes a prestressed steel rod 51, a PVC pipe 52, an anchor nut 53 and a steel backing plate 54, the prestressed steel rod 51 is inserted into the PVC pipe 52, and the steel backing plate 54 and the anchor nut 53 are both disposed on the prestressed steel rod 51.
The PVC pipe 52 is needed to be pre-buried in the pier construction period, so that the subsequent pre-stressing steel rod 51 is convenient to assemble and disassemble, and the main principle is that the rigidity of the construction bracket is improved by utilizing external pre-stressing tension to improve the stability of the bracket, the number of installation components of the triangular bracket 10 is reduced, the dead weight of the bracket structure is reduced, the installation work efficiency is improved, and the construction cost is saved. The stretching time is stretching after the whole triangular bracket 10 is installed.
Further, the unloading blocks 30 comprise steel wedge blocks 31 and tie rods 32, the tie rods 32 are formed by phi 32mm finish rolling deformed steel, the tie rods 32 are arranged on the steel wedge blocks 31 in a penetrating mode, two ends of each tie rod 32 extend to the outside of the steel wedge blocks 31, and the elevation and gradient of the distribution beam 40 arranged above the unloading blocks 30 are adjusted by adjusting the force value of each unloading block 30 on the tie rod 32. The function is mainly elevation adjustment and unloading when the bracket is detached.
The distributing beam 40 is made of 2HN360 section steel and is arranged on the unloading block 30, and the distributing beam has the main function of connecting the truss sheets 20 along the bridge direction into a whole, and transmitting the load of the upper structure to the bracket to form a whole stress system.
The beams of the truss sheet 20 are formed by welding and assembling channel steel, and the structural design characteristics of the capping beam mounted on the pier stud are bonded with the distribution beam 40 below, so that the load is uniformly transferred to the distribution beam 40.
In this application, the triangular bracket 10 includes main truss pieces 11, two main truss pieces 11 are provided, and two main truss pieces 11 are connected by a crosstie 12. It should be understood that the two main truss sheets 11 are symmetrically arranged with respect to the crossties 12, and that the crossties 12 are provided in plurality between the main truss sheets 11.
Specifically, the main truss sheet 11 includes a cross beam 111, an inclined beam 113 and a vertical beam 112, the cross beam 111, the inclined beam 113 and the vertical beam 112 are connected to form a triangle structure, the triangle structure is arranged to maintain stability of the main truss sheet 11, a shear box 80 is arranged at the end of the cross beam 111, the shear box 80 is used for stretching an external prestress steel rod 51, when in connection, an anchor nut 53 and a steel gasket fix the prestress steel rod 51 on the shear box 80, the shear box 80 is welded at the end of the cross beam 111 by adopting a steel plate, and a limiting bracket 90 is arranged at the outer side of the shear box 80 to limit longitudinal bridge displacement of the triangular bracket 10, so that overall stability of the bracket structure is improved.
As shown in fig. 8, the second aspect of the present invention further provides a method for installing a construction bracket suitable for a large cantilever capping beam of a high pier column in water, comprising the steps of:
s100: a first pair of pull mechanisms 50 and a second pair of pull mechanisms 60 are mounted on the pier stud.
Specifically, two tie rods 32 are inserted through the pier stud, and the two tie rods 32 are arranged up and down.
S200: connecting the triangular bracket 10 with the first and second pair of pulling mechanisms 50 and 60;
the cross beams 111 of one main truss sheet 11 are respectively connected with two opposite pull rods 32, then are fastened and fixed through anchor nuts 53, the second main truss sheet 11 is symmetrically installed, the lower pull rod is fastened and fixed through nuts, then the upper pull rod is stretched, the third main truss sheet 11 and the fourth main truss sheet 11 are installed in the same method, and the triangular bracket 10 is formed by installing and fixing the main truss sheets 11 on one side through a cross link 12. By installing a third pair of tie rods 32 onto the pier stud, the third pair of tie rods 32 is positioned below the second pair of tie rods 32, and a tensioning anchor 72 and steel strand 73 are installed.
S300: mounting the unloading block 30 to the triangular bracket 10;
a plurality of unloading blocks 30 are sequentially fixed to the top of the triangular bracket 10.
S400: mounting the distribution beam 40 and the unloading block 30;
the two ends of the distribution beam 40 are respectively fixed to the unloading blocks 30 at the top ends of the two main girder sheets 11 arranged at intervals.
S500: truss sheet 20 is mounted to distribution beam 40.
Thus, the installation of the construction bracket is completed.
The invention has the following beneficial effects:
1. the triangular bracket 10 introduces a prestress design principle, exploits innovation, solves the construction problem of the ultra-large cantilever pier stud bent cap, performs multi-dimensional comparison analysis on the aspects of design, construction, manufacturing cost, construction period, safety, quality and the like of the conventional two methods and a triangular bracket 10 method for setting external prestress, overcomes the defects of the two conventional construction methods, and demonstrates the scientific, reasonable, reliable and economic application of the triangular bracket 10 in large cantilever bent cap construction after the prestress is set.
2. The design of the invention can be flexible and changeable according to the actual conditions of different projects, wherein the triangular bracket 10 can be flexibly designed into different line types such as horizontal line, fold line or curve according to the structural style of the bent cap, and can also be designed into integral hoisting or separate hoisting according to the hoisting capacity of hoisting equipment, and the external prestress can be designed into a prestress system of steel strands or steel bars according to the actual conditions of the projects.
3. The invention has wider application range and high turnover efficiency of the triangular bracket 10, and can be widely applied to the construction of the capping beam of the high pier large cantilever pier column under various construction environments (land area, water area and mountain area).
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. Construction bracket suitable for high pier stud big cantilever bent cap in aquatic, its characterized in that includes:
the triangular brackets are symmetrically arranged on two sides of the pier column;
the truss sheet is arranged at the top end of the triangular bracket;
the unloading blocks are arranged in a plurality and fixed at the top end of the triangular bracket;
one end of the distribution beam is connected with the bottom end of the truss sheet, and the other end of the distribution beam is connected with the unloading block;
the first pair of pulling mechanisms penetrate through the pier columns and are respectively connected with the top ends of the two triangular brackets;
the second pair of pulling mechanisms penetrate through the pier stud and are respectively connected with the bottom ends of the two triangular brackets;
and one end of the pre-pressing device is connected with the pier stud, and the other end of the pre-pressing device is connected with the triangular bracket.
2. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 1, wherein,
the pre-pressing device comprises a third pair of pulling mechanisms, two stretching anchors and steel ropes, wherein one stretching anchor is arranged at the top end of the triangular bracket, the other stretching anchor is connected with the third pair of pulling mechanisms, and two ends of each steel rope are respectively connected with the two stretching anchors.
3. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 2, wherein,
the tensioning anchor comprises a base and a fixed block, wherein the base is provided with an inclined plane which is obliquely arranged relative to the bottom surface of the base, and the fixed block is arranged on the inclined plane.
4. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 2, wherein,
the first counter-pulling mechanism, the second counter-pulling mechanism and the third counter-pulling mechanism all comprise prestressed steel bars, PVC pipes, anchor nuts and steel backing plates.
5. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 1, wherein,
the unloading block comprises a steel wedge block and a pair of pull rods, and the pair of pull rods are arranged in a penetrating mode on the steel wedge block.
6. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 1, wherein,
the triangular bracket comprises two main truss sheets, and the two main truss sheets are connected through a transverse connection.
7. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 6, wherein,
the main truss sheet comprises a cross beam, an inclined beam and a vertical beam, and the cross beam, the inclined beam and the vertical beam are mutually connected to form a triangular structure.
8. The construction bracket suitable for the large cantilever bent cap of the high pier column in water according to claim 7, wherein,
the end of the cross beam is provided with a shear box, and the outer side of the shear box is provided with a limiting bracket.
9. The method for installing the construction bracket suitable for the large cantilever bent cap of the high pier column in water is characterized by comprising the following steps of:
s100: the pier column is provided with a first pair of pulling mechanisms and a second pair of pulling mechanisms;
s200: connecting the triangular bracket with the first pair of pulling mechanisms and the second pair of pulling mechanisms;
s300: mounting an unloading block on the triangular bracket;
s400: installing a distribution beam and an unloading block;
s500: the truss sheet is mounted to the distribution beam.
10. The method for installing a construction bracket suitable for a large cantilever capping beam of a high pier column in water according to claim 9, further comprising, before S300:
s210: the triangular bracket is preloaded by a preloading device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211613388.3A CN116043693A (en) | 2022-12-15 | 2022-12-15 | Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211613388.3A CN116043693A (en) | 2022-12-15 | 2022-12-15 | Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116043693A true CN116043693A (en) | 2023-05-02 |
Family
ID=86124645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211613388.3A Pending CN116043693A (en) | 2022-12-15 | 2022-12-15 | Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116043693A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200338414Y1 (en) * | 2003-09-22 | 2004-01-16 | 노윤근 | Traffic-uncontrolled bridge raising system combining function keeping apparatus in the existing bridge with fabricated temporary junction bridge capable of adjusting height when the upper structure of the bridge is raised |
| CN103374885A (en) * | 2012-04-13 | 2013-10-30 | 中铁十局集团第五工程有限公司 | Perforating counter-pull hinge support type bracket |
| CN107100076A (en) * | 2017-02-27 | 2017-08-29 | 中铁十九局集团有限公司 | Cast-in-place bent cap construction method |
| CN110067209A (en) * | 2019-06-05 | 2019-07-30 | 中国建筑第四工程局有限公司 | A kind of anti-fulcrum preloading bracket construction of Continuous Rigid Box Beam 0+1 block steel strand wires |
| CN111088760A (en) * | 2019-12-26 | 2020-05-01 | 中交武汉港湾工程设计研究院有限公司 | Large-height large-cantilever concrete structure prefabricated construction support and installation method thereof |
| CN211596427U (en) * | 2019-12-13 | 2020-09-29 | 南京润华建设集团有限公司 | Pier top assembly type triangular bracket |
| CN215629471U (en) * | 2021-07-29 | 2022-01-25 | 中铁隧道集团一处有限公司 | Bridge cantilever structure does not have bracket articulated formula bracket strutting arrangement |
| CN215714634U (en) * | 2020-12-29 | 2022-02-01 | 山东通远科技有限公司 | Unloading block applied to bracket |
| CN216551582U (en) * | 2021-09-24 | 2022-05-17 | 中建三局集团有限公司 | Bent cap construction supporting platform |
| CN217203651U (en) * | 2022-04-29 | 2022-08-16 | 中铁建陕西高速公路有限公司 | Pre-compaction device for No. 0 block bracket of cable-stayed bridge |
| CN217325056U (en) * | 2022-05-19 | 2022-08-30 | 济南市市政工程建设集团有限公司 | Self-stabilizing device for building single pier column cantilever bent cap by core-piercing rod method |
| CN217378605U (en) * | 2022-05-27 | 2022-09-06 | 江苏恒基路桥股份有限公司 | Suspension casting variable cross-section continuous beam zero block bracket pre-pressing device |
-
2022
- 2022-12-15 CN CN202211613388.3A patent/CN116043693A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200338414Y1 (en) * | 2003-09-22 | 2004-01-16 | 노윤근 | Traffic-uncontrolled bridge raising system combining function keeping apparatus in the existing bridge with fabricated temporary junction bridge capable of adjusting height when the upper structure of the bridge is raised |
| CN103374885A (en) * | 2012-04-13 | 2013-10-30 | 中铁十局集团第五工程有限公司 | Perforating counter-pull hinge support type bracket |
| CN107100076A (en) * | 2017-02-27 | 2017-08-29 | 中铁十九局集团有限公司 | Cast-in-place bent cap construction method |
| CN110067209A (en) * | 2019-06-05 | 2019-07-30 | 中国建筑第四工程局有限公司 | A kind of anti-fulcrum preloading bracket construction of Continuous Rigid Box Beam 0+1 block steel strand wires |
| CN211596427U (en) * | 2019-12-13 | 2020-09-29 | 南京润华建设集团有限公司 | Pier top assembly type triangular bracket |
| CN111088760A (en) * | 2019-12-26 | 2020-05-01 | 中交武汉港湾工程设计研究院有限公司 | Large-height large-cantilever concrete structure prefabricated construction support and installation method thereof |
| CN215714634U (en) * | 2020-12-29 | 2022-02-01 | 山东通远科技有限公司 | Unloading block applied to bracket |
| CN215629471U (en) * | 2021-07-29 | 2022-01-25 | 中铁隧道集团一处有限公司 | Bridge cantilever structure does not have bracket articulated formula bracket strutting arrangement |
| CN216551582U (en) * | 2021-09-24 | 2022-05-17 | 中建三局集团有限公司 | Bent cap construction supporting platform |
| CN217203651U (en) * | 2022-04-29 | 2022-08-16 | 中铁建陕西高速公路有限公司 | Pre-compaction device for No. 0 block bracket of cable-stayed bridge |
| CN217325056U (en) * | 2022-05-19 | 2022-08-30 | 济南市市政工程建设集团有限公司 | Self-stabilizing device for building single pier column cantilever bent cap by core-piercing rod method |
| CN217378605U (en) * | 2022-05-27 | 2022-09-06 | 江苏恒基路桥股份有限公司 | Suspension casting variable cross-section continuous beam zero block bracket pre-pressing device |
Non-Patent Citations (1)
| Title |
|---|
| 中铁二局股份有限公司: "哈大高铁施工技术", vol. 1, 西南交通大学出版社, pages: 65 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111455874B (en) | Construction method for high-pier overlong side span straight-line segment of corrugated steel web PC bridge | |
| CN110644349A (en) | Superstructure for wide box girder and short tower cable-stayed bridge and construction method | |
| JP3635004B2 (en) | Bridge cantilever construction method | |
| CN205242278U (en) | A triangle string basket method is hanged and is watered device for deck bridge construction | |
| CN116043693A (en) | Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket | |
| CN112323647B (en) | Rigid frame bridge hanging basket suspension casting system and construction method thereof | |
| CN212426706U (en) | Fully-prefabricated light large cantilever preflex combined bent cap beam structure | |
| CN111218893B (en) | Construction method for reinforcing existing line-crossing bridge by newly-added pier column bearing steel truss girder | |
| CN211395312U (en) | Upper structure for wide box girder and short tower cable-stayed bridge | |
| CN109083007B (en) | Steel truss bridge assembly bracket system and construction method | |
| CN112227216A (en) | Triangular area cable buckling and sling combined construction method for steel diagonal bracing continuous rigid frame bridge | |
| CN220704317U (en) | Steel skeleton suitable for side span of cable-stayed bridge and cable-stayed bridge | |
| CN219059775U (en) | Supporting system for bent cap construction | |
| CN219793647U (en) | Non-floor-standing support longitudinal beam for cast-in-situ bridge support | |
| CN217378538U (en) | Bearing device capable of adjusting internal force and structure | |
| CN215976869U (en) | High-pier long-span continuous rigid frame 0# block bracket pre-pressing device | |
| CN216712711U (en) | Large-span temporary buttress with prestress device | |
| CN217839718U (en) | Split thread steel bar temporary tie structure and tie system of V-shaped inclined leg rigid frame bridge | |
| CN215800924U (en) | High-altitude in-situ cast-in-situ bridge | |
| CN213804942U (en) | Suspension casting system for rigid frame bridge hanging basket | |
| CN220450682U (en) | Temporary construction support based on new bridge tie beam | |
| CN211547346U (en) | Formwork system for construction of inclined cable tower | |
| CN213766424U (en) | Pretensioning prestressed concrete assembled prefabricated pedestal | |
| CN217292809U (en) | Tension counterforce device for manufacturing prestressed beam by pre-tensioning method | |
| CN215164738U (en) | Tied-rod arch type fast-splicing support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |