CN113526322A - Top tied beam construction hanging bracket constructed after reconstruction and extension project of bridge under construction and construction method - Google Patents
Top tied beam construction hanging bracket constructed after reconstruction and extension project of bridge under construction and construction method Download PDFInfo
- Publication number
- CN113526322A CN113526322A CN202110746667.6A CN202110746667A CN113526322A CN 113526322 A CN113526322 A CN 113526322A CN 202110746667 A CN202110746667 A CN 202110746667A CN 113526322 A CN113526322 A CN 113526322A
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- construction
- hanging bracket
- preformed hole
- plate
- bridge
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- 238000010276 construction Methods 0.000 title claims abstract description 79
- 238000009826 distribution Methods 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000004080 punching Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention relates to the technical field of bridge reconstruction and expansion, in particular to a top tied beam construction hanging bracket and a construction method which are constructed after bridge reconstruction and expansion engineering, wherein the hanging bracket comprises a hanging bracket body, a core rod preformed hole positioned on the hanging bracket body and a core rod preformed hole reinforcing plate fixed on the hanging bracket body, wherein the core rod preformed hole reinforcing plate is positioned at the periphery of the core rod preformed hole; the hanger body is also welded with a distribution beam supporting plate and a supporting inclined plate which are used as supporting points of a transverse distribution beam of the operation platform, and the distribution beam supporting plate is provided with a distribution beam supporting plate antiskid plate; the hanger body passes through the drift rod preformed hole through the drift rod and fixes at the pier stud concrete side of having constructed. By the aid of the method, when the bent cap is constructed and the precast beam is erected in bridge and newly-added pier stud top beam tying engineering, manpower and material resource investment is greatly reduced, practicability of an operation platform is effectively improved, construction efficiency is improved, and construction progress is guaranteed.
Description
Technical Field
The invention belongs to the technical field of bridge reconstruction and expansion, and particularly relates to a top tied beam construction hanging bracket and a construction method which are constructed after a bridge reconstruction and expansion project is built.
Background
With the rapid development of national economy in China, most of the currently constructed four-lane highways cannot meet the increasing travel and business requirements of people, and even have the phenomena of traffic jam and the like. In order to improve the high traffic capacity of the expressway, a large number of reconstruction and extension projects appear in recent years in China, and the original four lanes are widened to six lanes or eight lanes. The top beam of the prefabricated beam is erected from the ground in the prior construction, so that the characteristics of more used materials, slow progress, large investment and high foundation requirement are achieved, the site construction requirement cannot be met in the bridge reconstruction and expansion construction, and the utilization rate is greatly reduced.
In view of the defects of the traditional operation platform construction method, the invention actively carries out research and innovation based on the application of years of abundant practical operation experience in the product engineering industry and theoretical knowledge, and designs the top tied beam construction hanging bracket which is constructed after the bridge under construction is reconstructed and expanded.
Disclosure of Invention
The invention provides a top tied beam construction hanging bracket and a construction method which are constructed after a bridge under construction is rebuilt and expanded, and aims to solve the problems in the background technology.
The invention provides a top tied beam construction hanging bracket and a construction method which are constructed after a bridge under construction is rebuilt and expanded, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a top tied beam construction hanging bracket applied after a bridge under construction is rebuilt and expanded, which comprises a hanging bracket body, a core rod preformed hole positioned on the hanging bracket body and a core rod preformed hole reinforcing plate fixed on the hanging bracket body, wherein the core rod preformed hole reinforcing plate is positioned at the periphery of the core rod preformed hole;
the hanger body is also welded with a distribution beam supporting plate and a supporting inclined plate which are used as supporting points of a transverse distribution beam of the operation platform, and the distribution beam supporting plate is provided with a distribution beam supporting plate antiskid plate;
the hanger body passes through the drift rod preformed hole through the drift rod and fixes at the pier stud concrete side of having constructed.
Further, the hanger body is formed by welding profile steel.
Further, the perforating rod preformed holes are multiple, and the number and the intervals of the perforating rod preformed holes correspond to the construction arrangement of the top tied beams with different heights and positions according to the height of the hanger body.
Further, the supporting inclined plate is of a trapezoidal structure.
Further, when the bent cap is constructed and the precast beam is erected, the hanger body is installed on the front and rear side surfaces of the adjacent pier stud, when the bent cap is constructed and the new pier stud top beam is added, the hanger body is installed on the front and rear side surfaces of the pier stud constructed by the bent cap, and the pier side adopts the sand discharging barrel as a supporting point.
A top tied beam construction method applied after a bridge under construction is rebuilt and expanded comprises the following steps:
s1: preparing section steel of various structural parts by the hanger body according to specific working conditions of the bridge and a design drawing of an operating platform;
s2: manufacturing a core rod preformed hole on the section steel according to the construction working condition, and reinforcing the preformed hole by using a core rod preformed hole reinforcing plate;
s3: the supporting inclined plate, the beam distribution supporting plate and the anti-slip plate of the beam distribution supporting plate are welded on the hanger body in a penetrating mode, and the integral hanger body is formed;
s4: the gallows body passes through the excellent preformed hole of punching through and fixes on the pier stud, installs horizontal distribution roof beam, vertical distribution roof beam and construction operation platform on the gallows body, and the construction operation platform preparation of the top tie beam of back construction is accomplished, and constructor accomplishes the construction on operation platform.
Compared with the prior art, the invention has the following beneficial effects:
1. the core rod reinforcing plate is positioned at the periphery of the core rod preformed hole; the hanger body is also welded with a distribution beam supporting plate and a supporting inclined plate which are used as supporting points of a transverse distribution beam of the operation platform, and the distribution beam supporting plate is provided with a distribution beam supporting plate antiskid plate; the hanger body passes through the drift rod preformed hole through the drift rod and fixes at the pier stud concrete side of having constructed. And determining the size of the hanger body according to the construction condition of the bridge. Install top tie beam operation article platform on the construction crane span structure, constructor constructs top tie beam engineering on operation platform, has reduced manpower, material resources input in a large number, has effectively promoted operation platform practicality, has improved the efficiency of construction, has guaranteed the construction progress.
2. According to the construction condition of the bridge capping beam, the prepared holes of the penetrating rods with different heights are manufactured, and the method is suitable for manufacturing the top tie beams with different positions and heights.
3. The gallows passes through the excellent stick of punching of rod iron preparation to be fixed in pier stud concrete side of having under construction, and the top is installed and is tied roof beam operation platform above, does not have relevant requirement to the geological conditions and the topography condition below the bridge.
Drawings
FIG. 1 is a front view of a top tied beam construction hanger installed after a bridge under construction is rebuilt and expanded;
FIG. 2 is a side view of the top tied beam construction hanger being installed after the construction of the under-construction bridge reconstruction and extension project;
FIG. 3 is a front view of a top tied beam construction hanger frame constructed after a bridge under construction is rebuilt and expanded;
fig. 4 is a side view of a top tied beam construction hanger frame constructed after a bridge under construction is rebuilt and expanded.
Wherein: 1. a hanger body; 2. reserving holes on the core penetrating rod; 3. a distribution beam support plate; 4. supporting the inclined plate; 5. a reinforcing plate for a preformed hole of the core penetrating rod; 6. distributing beam support plate cleats; 7. a piercing rod; 8. a transverse distribution beam; 9. a longitudinal distribution beam; 10. constructing an operation platform; 11. a top tied beam constructed later; 12. a capping beam; 13. pier studs; 14. prefabricating a beam; 15. and (6) unloading the sand barrel.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 1, 2, 3 and 4, a top tied beam construction hanger frame constructed after a bridge reconstruction and expansion project comprises a hanger frame body 1, a core rod preformed hole 2 located on the hanger frame body 1, and a core rod preformed hole reinforcing plate 5 fixed on the hanger frame body 1, wherein the core rod preformed hole reinforcing plate 5 is located on the periphery of the core rod preformed hole 2.
The hanger body 1 is further welded with a distribution beam supporting plate 3 and a supporting inclined plate 4, and the distribution beam supporting plate 3 is provided with a distribution beam supporting plate anti-skid plate 6.
Wherein, the hanger body 1 is welded by section steel; the punching rod preformed holes 2 are used for manufacturing a plurality of preformed holes according to the punching rod positions of the constructed bent cap operation platform, and the number and the intervals of the punching rod preformed holes 2 correspond to top tying beams with different heights and positions according to the height of the hanger body 1; the supporting sloping plate 4 is of a trapezoidal structure and is welded with the hanger body 1.
When the capping beam is constructed and the precast beam is erected, the hanger body 1 is installed on the front side and the rear side of the adjacent pier stud, when the capping beam is constructed and the pier stud top tie beam is newly added for construction, the hanger body 1 is installed on the front side and the rear side of the pier stud where the capping beam is constructed, and the pier side adopts the sand discharging barrel 15 as a supporting point; the size of the hanger body 1 is determined according to the construction surface of the bridge.
A top tied beam construction method applied after a bridge under construction is rebuilt and expanded comprises the following steps:
s1: preparing steel materials of various structural parts by the hanger body 1 according to specific working conditions of the bridge and a design drawing of an operating platform;
s2: according to the construction working condition, the core-through rod preformed hole 2 is manufactured on the section steel, and the preformed hole is reinforced by a core-through rod preformed hole reinforcing plate 5;
s3: a supporting inclined plate 4, a beam supporting plate 3 and a distributing beam supporting plate antiskid plate 6 are welded on the hanger body 1 in a penetrating manner, and the integral hanger body 1 is formed;
s4: the gallows body 1 passes through the excellent preformed hole 2 of punching and fixes on pier stud 12 through punching the excellent 5, carries out installation horizontal distribution roof beam 8, vertical distribution roof beam 9 and construction operation platform 10 on the gallows body 1, and the construction operation platform preparation of the top system roof beam 11 of doing is accomplished in the back, and constructor accomplishes the construction on operation platform.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a top is roof beam construction gallows of doing after bridge reconstruction extension engineering under construction which characterized in that: the hanging bracket comprises a hanging bracket body (1), a core rod preformed hole (2) positioned on the hanging bracket body (1) and a core rod preformed hole reinforcing plate (5) fixed on the hanging bracket body (1), wherein the core rod preformed hole reinforcing plate (5) is positioned on the periphery of the core rod preformed hole (2);
the hanger comprises a hanger body (1), and is characterized in that a distribution beam support plate (3) and a support inclined plate (4) are welded on the hanger body (1), the distribution beam support plate (3) and the support inclined plate (4) are used as support points of a transverse distribution beam (8) of an operation platform, and a distribution beam support plate anti-skid plate (6) is arranged on the distribution beam support plate (3);
the hanging bracket body (1) penetrates through the core penetrating rod preformed hole (2) through the core penetrating rod (7) and is fixed on the side face of the constructed pier column concrete.
2. The top tied beam construction hanging bracket constructed after bridge reconstruction and expansion project of claim 1, characterized in that: the hanger body (1) is formed by welding profile steel.
3. The top tied beam construction hanging bracket constructed after bridge reconstruction and expansion project of claim 1, characterized in that: the number and the intervals of the penetrating rod preformed holes (2) are set according to the construction of the top tie beams with different heights and positions corresponding to the height of the hanger body (1).
4. The top tied beam construction hanging bracket constructed after bridge reconstruction and expansion project of claim 1, characterized in that: the supporting inclined plate (4) is of a trapezoidal structure.
5. The top tied beam construction hanging bracket constructed after bridge reconstruction and expansion project of claim 1, characterized in that: when the bent cap has been under construction and the bridge roof tied beam construction that the precast beam has erect, gallows body (1) is installed on adjacent pier stud front and back side, when the bent cap has been under construction and newly-increased pier stud roof tied beam construction on one side, gallows body (1) is installed on the pier stud front and back side that has been under construction on the bent cap, and the pier side adopts and unloads knockout bucket (15) as the strong point.
6. A top tied beam construction method applied after a bridge under construction is rebuilt and expanded is characterized in that: the method comprises the following steps:
s1: the hanging bracket body (1) is used for preparing section steel of various structural parts according to the specific working conditions of the bridge and the design drawing of the operating platform;
s2: according to the construction working condition, the core-penetrating rod preformed hole (2) is manufactured on the section steel, and the preformed hole is reinforced by a core-penetrating rod preformed hole reinforcing plate (5);
s3: a supporting inclined plate (4), a beam-matching supporting plate (3) and a distributing beam supporting plate antiskid plate (6) are welded on the hanger body (1) in a penetrating manner, and the integral hanger body (1) is formed;
s4: the hanging bracket body (1) penetrates through the core penetrating rod reserved hole (2) through the core penetrating rod (5) and is fixed on the pier stud (12), the horizontal distribution beam (8), the vertical distribution beam (9) and the construction operation platform (10) are installed on the hanging bracket body (1), the construction operation platform of the top tie beam (11) is manufactured after the construction, and construction personnel complete construction on the operation platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746667.6A CN113526322A (en) | 2021-07-01 | 2021-07-01 | Top tied beam construction hanging bracket constructed after reconstruction and extension project of bridge under construction and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746667.6A CN113526322A (en) | 2021-07-01 | 2021-07-01 | Top tied beam construction hanging bracket constructed after reconstruction and extension project of bridge under construction and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113526322A true CN113526322A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110746667.6A Pending CN113526322A (en) | 2021-07-01 | 2021-07-01 | Top tied beam construction hanging bracket constructed after reconstruction and extension project of bridge under construction and construction method |
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| Country | Link |
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| CN (1) | CN113526322A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088756A (en) * | 2013-02-01 | 2013-05-08 | 葛洲坝集团第二工程有限公司 | Steel bar bearing constructing method of bent cap construction platform |
| CN106337369A (en) * | 2016-09-21 | 2017-01-18 | 中冶建工集团有限公司 | Steel-truss supporting method for construction of cap beam of pier |
| CN107386117A (en) * | 2017-07-26 | 2017-11-24 | 中交公局第二工程有限公司 | A kind of device of double rod iron method construction bridges bent caps |
| CN207633222U (en) * | 2017-12-06 | 2018-07-20 | 中铁二十三局集团第三工程有限公司 | Bridge pier binder Coping Construction platform |
| CN208280024U (en) * | 2018-05-25 | 2018-12-25 | 云南省建设投资控股集团有限公司 | A kind of easy-to-mount practical punching stick |
| CN211815605U (en) * | 2019-12-27 | 2020-10-30 | 中交二公局东萌工程有限公司 | Construction device for pile column type pier tie beam and capping beam |
| CN112144417A (en) * | 2020-10-12 | 2020-12-29 | 中建八局第一建设有限公司 | Construction device and construction method for hollow coping of special-shaped pier gem |
| CN212771944U (en) * | 2020-05-11 | 2021-03-23 | 中铁二十一局集团第一工程有限公司 | Punching steel bar type adjustable operation platform |
| CN212983636U (en) * | 2020-08-18 | 2021-04-16 | 中铁二十四局集团安徽工程有限公司 | Cast-in-place construction steel bracket support frame of concrete box girder |
-
2021
- 2021-07-01 CN CN202110746667.6A patent/CN113526322A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088756A (en) * | 2013-02-01 | 2013-05-08 | 葛洲坝集团第二工程有限公司 | Steel bar bearing constructing method of bent cap construction platform |
| CN106337369A (en) * | 2016-09-21 | 2017-01-18 | 中冶建工集团有限公司 | Steel-truss supporting method for construction of cap beam of pier |
| CN107386117A (en) * | 2017-07-26 | 2017-11-24 | 中交公局第二工程有限公司 | A kind of device of double rod iron method construction bridges bent caps |
| CN207633222U (en) * | 2017-12-06 | 2018-07-20 | 中铁二十三局集团第三工程有限公司 | Bridge pier binder Coping Construction platform |
| CN208280024U (en) * | 2018-05-25 | 2018-12-25 | 云南省建设投资控股集团有限公司 | A kind of easy-to-mount practical punching stick |
| CN211815605U (en) * | 2019-12-27 | 2020-10-30 | 中交二公局东萌工程有限公司 | Construction device for pile column type pier tie beam and capping beam |
| CN212771944U (en) * | 2020-05-11 | 2021-03-23 | 中铁二十一局集团第一工程有限公司 | Punching steel bar type adjustable operation platform |
| CN212983636U (en) * | 2020-08-18 | 2021-04-16 | 中铁二十四局集团安徽工程有限公司 | Cast-in-place construction steel bracket support frame of concrete box girder |
| CN112144417A (en) * | 2020-10-12 | 2020-12-29 | 中建八局第一建设有限公司 | Construction device and construction method for hollow coping of special-shaped pier gem |
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