CN110485738B - Steel pipe concrete steel column installation method and special slipping device thereof - Google Patents
Steel pipe concrete steel column installation method and special slipping device thereof Download PDFInfo
- Publication number
- CN110485738B CN110485738B CN201910880298.2A CN201910880298A CN110485738B CN 110485738 B CN110485738 B CN 110485738B CN 201910880298 A CN201910880298 A CN 201910880298A CN 110485738 B CN110485738 B CN 110485738B
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- steel
- shaped
- rotating shaft
- column
- box
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 182
- 239000010959 steel Substances 0.000 title claims abstract description 182
- 239000004567 concrete Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000011900 installation process Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a method for installing a steel tube concrete steel column, which comprises the following steps: and (3) taking the thick steel bars to manufacture a rotating shaft, sleeving the steel rollers on the rotating shaft, and assembling the slider. After the binding of the civil engineering steel bars is completed, the rotating shaft and the steel bars of the steel bar cage support columns are firmly fixed, and the steel rollers protrude out of the outline of the steel bar cage. And (3) installing the box-shaped steel column, wherein in the process of sleeving the steel reinforcement cage on the box-shaped steel column from top to bottom, the inner wall contacts with the rolling surface of the steel roller, the steel roller rotates along with the movement of the box-shaped steel column, and the box-shaped steel column steadily falls until the installation is completed. The invention also provides a special slipping device for the steel tube concrete steel column installation method, which consists of a rotating shaft and steel rollers, wherein the rotating shaft is an L-shaped corner steel bar, two ends of the rotating shaft are respectively provided with a freely rotating steel roller, the rotating shaft corners are fixedly connected with fan-shaped connecting pieces, the fan-shaped connecting pieces are fixedly connected with a concrete steel bar cage, the steel rollers protrude out of the outer contour of the steel bar cage, and the rotating direction of the steel rollers is the axial direction of the steel bar cage.
Description
Technical Field
The invention relates to the technical field of reinforced concrete structure building construction, in particular to a special slider structure for steel tube concrete column installation construction and construction.
Background
As engineering types are more and more, the structure is more and more complex and diversified. The steel pipe concrete structure is a member formed by filling concrete into a steel pipe, has high bearing capacity, light dead weight and good plasticity, and is widely applied to high-rise buildings, underground engineering, large-span struts and the like.
The steel structure construction and installation method is continuously improved according to the structural characteristics. The box-type steel tube concrete column has a complex structure and is formed by combining a box column and a concrete column. The periphery of the box column is a square box body, a cross steel web supporting structure is arranged in the middle of the box column, steel bars are bound and rolled in the early stage of the concrete column, the cross box is sleeved on a steel bar cage after the steel bar cage is fixed, and finally concrete pouring is carried out, so that the concrete column is completed. The steel tube concrete column has complex structure and high installation difficulty, and the steel bars are inserted into the box body, so that the bound steel bars are damaged due to the fact that the gaps between the steel bars and the inner cavities of the box-shaped steel tube concrete column are too small. Meanwhile, in the process of positioning the steel column, friction and collision between the inner wall of the steel column and the steel bar in the peripheral gap of the binding steel bar are generated in the process of downwards moving the steel column to prevent the steel column from falling, so that the box-shaped steel column is kept to fall stably, the steel column is completely sleeved outside the steel bar, the operation is very careful, and the cooperation of various conditions and structures is noted, so that the lifting difficulty is increased, and the installation time is very long.
Disclosure of Invention
Aiming at the defects of the traditional construction method of the concrete filled steel tube column, the invention solves the problems that the steel tube frequently collides with the steel bar in the downward moving process and is blocked by the steel bar to be installed poorly in the prior art.
In order to solve the problems, the technical scheme provided by the invention is as follows:
the method for installing the steel tube concrete steel column comprises the following steps:
(1) And (3) taking the thick steel bars to manufacture a rotating shaft, sleeving the steel rollers on the rotating shaft, and assembling the slider.
(2) After the binding of the civil engineering steel bars is completed, the rotating shaft and the steel bars of the steel bar cage support columns are firmly fixed, and the steel rollers protrude out of the outline of the steel bar cage.
(3) And (3) installing the box-shaped steel column, wherein in the process of sleeving the steel reinforcement cage on the box-shaped steel column from top to bottom, the inner wall contacts with the rolling surface of the steel roller, the steel roller rotates along with the movement of the box-shaped steel column, and the box-shaped steel column steadily falls until the installation is completed.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that: the friction and collision between the inner cavity of the steel column and the bound steel bars are avoided, the direct contact between the steel column and the steel bars in the installation process is greatly reduced, the installation efficiency of the steel column of the steel tube concrete is improved, and the labor cost and the equipment cost are saved.
The invention also provides a special slider for the installation method, which consists of a rotating shaft and steel rollers, wherein the rotating shaft is an L-shaped corner steel bar, two ends of the rotating shaft are respectively provided with a steel roller which rotates freely, the rotating shaft is fixedly connected with a fan-shaped connecting piece in a rotating angle manner, the outer arc of the fan-shaped connecting piece is fixedly connected with the rotating shaft, the inner arc of the fan-shaped connecting piece is provided with a plurality of steel bar holes, the fan-shaped connecting piece is fixedly connected with right-angle rib steel bars of a concrete steel bar cage through steel bar binding rolling, the steel rollers protrude out of the outer contour of the steel bar cage, and the rotating direction of the steel rollers is the axial direction of the steel bar cage.
The special slider has a simple structure, can freely rotate when the box-shaped steel column is in friction collision during downward movement, rotates on the inner wall of the box-shaped steel column, reduces the downward movement resistance of the box-shaped steel column, and effectively releases force and reduces structural collision deformation.
Drawings
FIG. 1 is a block diagram of a slider;
FIG. 2 is a schematic diagram of a slider mounting structure;
fig. 3 is a plan view of the slider mounted on the reinforcement cage;
FIG. 4 is a view of the slider mounted to the reinforcement cage;
FIG. 5 is a schematic diagram of a rotational state of the slider;
fig. 6 is a plan view of the box column in an installed state;
fig. 7 is a box-shaped steel column installation state diagram (solid).
Detailed Description
The following detailed description of the technical solution of the present invention refers to the accompanying drawings and specific embodiments, it is obvious that the present invention is only a preferred embodiment of the present invention, and the present invention is not limited in any way by the structure, and other embodiments obtained by not making any creative effort on the basis of the present embodiment are all within the technical scope of the present invention.
The invention aims to facilitate and smooth the construction process of sleeving the box-shaped column on the reinforcement cage. The specific technical scheme provided by the invention is as follows:
the method for installing the steel tube concrete steel column comprises the following steps:
(1) And (5) finishing binding the reinforcement cage.
(2) And (3) taking the thick steel bars to manufacture a rotating shaft 2, sleeving the steel roller 1 on the rotating shaft 2, and assembling the slipping device.
(3) The rotating shaft 1 and the steel bars 5 of the support steel reinforcement cage are firmly fixed, and the steel roller 1 protrudes out of the outline of the steel reinforcement cage.
(5) And the steel column is installed, the steel roller 1 is directly contacted with the inner wall of the box-shaped steel column in the installation process, the steel roller 1 rolls on the inner wall of the box-shaped steel column due to friction in the process of positioning the box-shaped steel column from top to bottom, and the collision and friction of the inner wall are reduced.
(6) When the box steel column is moved down to the bottom mount position.
The slipping device consists of a rotating shaft 2 and a steel roller 1. The steel roller 1 is sleeved on the rotating shaft 1, and the rotating shaft 1 is fixed with the steel reinforcement cage steel reinforcement 5.
When the slipping device is installed, the length of the steel roll is determined, and the steel roll is set according to the size of the column. Generally, the two steel reinforcement cages are arranged at the same horizontal height on the surface of the column at a transverse interval of 0.2 meter, and the surfaces of the steel reinforcement cages, which are in contact with the inner wall of the box steel column, are all required to be arranged. One is arranged at intervals of 1 meter along the height direction of the pillars.
The rotating shaft 1 can be straight or L-shaped corner steel bars. The linear rotating shaft is arranged on the plane of the reinforcement cage, and the L-shaped rotating shaft is suitable for being arranged on the outer side of the reinforcement cage prism.
The L-shaped rotating shaft is more in application, and the linear rotating shaft is used when the size of the reinforcement cage is larger. The invention relates to a steel roller wheel 1 which is freely rotated, wherein two ends of an L-shaped rotating shaft are respectively provided with a steel roller wheel 1, the rotating angle of the rotating shaft 2 is fixedly connected with a fan-shaped connecting piece 3, the outer arc of the fan-shaped connecting piece 3 is fixedly connected with the rotating shaft 2, a plurality of steel bar holes 4 are formed in the inner arc, the fan-shaped connecting piece 3 is fixedly connected with a right-angle rib steel bar 5 of a concrete steel bar cage in a steel bar binding rolling mode, the steel roller wheel 1 protrudes out of the outer contour of the steel bar cage, and the rotating direction of the steel roller wheel 1 is the axial direction of the steel bar cage.
The slipping device is fixedly connected to the concrete steel bar, a self-rolling wheel surface is provided for the steel bar cage, the box-shaped steel column slides on the steel rolling wheel, friction force of two large structures is reduced, and structural damage is avoided. And after the box-shaped steel column is sleeved, pouring the slider into the concrete.
As shown in fig. 1-7, the sliding device provided by the invention comprises two main components, namely a rotating shaft 2 and a steel roller 1. The rotating shaft 2 is fixed at the middle part of the steel reinforcement cage of the box-shaped concrete column, one is arranged at a longitudinal distance of 1 meter, one is arranged at a transverse distance of 0.2 meter, and the four surfaces of the steel reinforcement cage, which are contacted with the inner wall of the box-shaped steel column, are all required to be arranged. The steel roller 1 is sleeved on the rotating shaft 2. Before the box-shaped steel column is installed, the device is arranged on a reinforcement cage. The steel roller is in direct contact with the inner wall of the steel column in the installation process, and the roller rotates along with the steel column in the process of being in place from top to bottom, so that the sliding effect is achieved.
In the construction process, the steel roller is in direct contact with the inner wall of the steel column, and rolls on the inner wall of the steel column in the downward moving process of the steel column, so that the damage of friction collision to the inner cavity of the steel tube is reduced, and the effect that the steel tube slowly slides from top to bottom along the steel reinforcement cage is achieved until the steel reinforcement cage is completely sleeved.
The scheme improves the installation efficiency of the steel tube concrete steel column, greatly reduces direct contact between the steel column and the steel bar installation in the installation process, and reduces damage to the bound steel bar; the patent has simple operation and flexible use; this patent has improved crane availability factor, saves installation time, has practiced thrift construction cost.
Claims (1)
1. A method for installing a steel tube concrete steel column is characterized by comprising the following steps: the concrete filled steel tube steel column is a box-shaped steel column, and the concrete installation process comprises the following steps:
firstly, taking thick steel bars to manufacture rotating shafts, sleeving steel rollers on the rotating shafts to form slipping devices, wherein the rotating shafts are L-shaped corner steel bars, two ends of each rotating shaft are respectively provided with a steel roller which rotates freely, the rotating shaft corners are fixedly connected with fan-shaped connecting pieces, the outer arcs of the fan-shaped connecting pieces are fixedly connected with the rotating shafts, the inner arcs of the fan-shaped connecting pieces are provided with a plurality of steel bar holes, the fan-shaped connecting pieces are fixedly connected with right-angle rib steel bars of a concrete steel bar cage through steel bar binding, the steel rollers protrude out of the outer contours of the steel bar cage, and the rotating direction of the steel rollers is the axial direction of the steel bar cage;
secondly, after binding of the civil engineering steel bars is completed, the rotating shaft is firmly fixed with the right-angle rib steel bars of the concrete reinforcement cage, and the steel rollers protrude out of the outline of the reinforcement cage;
and thirdly, installing the box-shaped steel column, wherein the inner wall contacts with the rolling surface of the steel roller in the process of sleeving the steel reinforcement cage from top to bottom, the steel roller rotates along with the movement of the box-shaped steel column, and the box-shaped steel column steadily falls until the installation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880298.2A CN110485738B (en) | 2019-09-18 | 2019-09-18 | Steel pipe concrete steel column installation method and special slipping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880298.2A CN110485738B (en) | 2019-09-18 | 2019-09-18 | Steel pipe concrete steel column installation method and special slipping device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110485738A CN110485738A (en) | 2019-11-22 |
| CN110485738B true CN110485738B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880298.2A Active CN110485738B (en) | 2019-09-18 | 2019-09-18 | Steel pipe concrete steel column installation method and special slipping device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110485738B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542785A (en) * | 1993-09-28 | 1996-08-06 | Lowtech Corporation, Inc. | Rebar cage wheel spacer centralizer system for drilled shafts |
| CN202007403U (en) * | 2010-11-29 | 2011-10-12 | 宿迁华夏建设(集团)工程有限公司 | Roller cushion block for controlling thickness of reinforcing steel bar protecting layer of concrete cast-in-place pile |
| CN205296138U (en) * | 2015-12-01 | 2016-06-08 | 中国建筑第八工程局有限公司 | Steel reinforcement cage structure convenient to lower hole |
| CN208219631U (en) * | 2018-04-11 | 2018-12-11 | 中建七局第四建筑有限公司 | A kind of borehole filling pile cage of reinforcement protection structure |
| CN209244103U (en) * | 2018-12-08 | 2019-08-13 | 上海宝冶集团有限公司 | A kind of steel bar cage protecting layer protective device |
| CN110172967A (en) * | 2019-06-14 | 2019-08-27 | 中国五冶集团有限公司 | A kind of steel reinforcement cage and construction method with positioning function |
-
2019
- 2019-09-18 CN CN201910880298.2A patent/CN110485738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542785A (en) * | 1993-09-28 | 1996-08-06 | Lowtech Corporation, Inc. | Rebar cage wheel spacer centralizer system for drilled shafts |
| CN202007403U (en) * | 2010-11-29 | 2011-10-12 | 宿迁华夏建设(集团)工程有限公司 | Roller cushion block for controlling thickness of reinforcing steel bar protecting layer of concrete cast-in-place pile |
| CN205296138U (en) * | 2015-12-01 | 2016-06-08 | 中国建筑第八工程局有限公司 | Steel reinforcement cage structure convenient to lower hole |
| CN208219631U (en) * | 2018-04-11 | 2018-12-11 | 中建七局第四建筑有限公司 | A kind of borehole filling pile cage of reinforcement protection structure |
| CN209244103U (en) * | 2018-12-08 | 2019-08-13 | 上海宝冶集团有限公司 | A kind of steel bar cage protecting layer protective device |
| CN110172967A (en) * | 2019-06-14 | 2019-08-27 | 中国五冶集团有限公司 | A kind of steel reinforcement cage and construction method with positioning function |
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| Publication number | Publication date |
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| CN110485738A (en) | 2019-11-22 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200123 Address after: 063000 happiness Road 16, Fengrun District, Hebei, Tangshan City Applicant after: China MCC22 Group Corp.,Ltd. Applicant after: China Railway Construction Engineering Group Address before: 063000 happiness Road 16, Fengrun District, Hebei, Tangshan City Applicant before: China MCC22 Group Corp.,Ltd. |
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