CN113463929A - Construction method for improving installation accuracy of steel column - Google Patents
Construction method for improving installation accuracy of steel column Download PDFInfo
- Publication number
- CN113463929A CN113463929A CN202110866333.2A CN202110866333A CN113463929A CN 113463929 A CN113463929 A CN 113463929A CN 202110866333 A CN202110866333 A CN 202110866333A CN 113463929 A CN113463929 A CN 113463929A
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- steel column
- section steel
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- upper section
- lug plates
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 200
- 239000010959 steel Substances 0.000 title claims abstract description 200
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 32
- 210000001503 joint Anatomy 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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-
- 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
- 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
- E04G21/16—Tools or apparatus
-
- 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
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method for improving the installation precision of a steel column, wherein hoisting equipment is adopted to hoist the upper section of the steel column to an installation position; then adjusting the horizontal position of the upper section steel column to enable the central axes of the upper section steel column and the lower section steel column to be positioned on the same straight line; then adjusting the vertical position of the upper section steel column; after the steel columns are adjusted in place, connecting lug plates of the upper-section steel columns and lifting lug plates of the lower-section steel columns are connected through connecting plates and bolts, so that the position relationship between the upper-section steel columns and the lower-section steel columns which are adjusted in place is fixed; and fixing the upper-section steel column and the lower-section steel column through spot welding, then unhooking the hoisting equipment, butt-welding the upper-section steel column and the lower-section steel column, and disassembling the connecting plate, the lifting lug plate and the connecting lug plate after the welding is finished and the quality of the welding seam is detected to be qualified. The construction method can effectively ensure the accuracy of the installation elevation of the upper section steel column, effectively control the welding seam space between the upper section steel column and the lower section steel column, effectively ensure the perpendicularity of the steel column and improve the installation accuracy of the steel column.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a construction method for improving installation accuracy of a steel column.
Background
The steel structure has the advantages of light dead weight, high strength, uniform material, high safety and reliability, industrial production, high construction speed and the like, and is widely applied to buildings such as large-scale factory buildings, venues, super-high buildings and the like. In the industrial production of the steel structure, generally, the components are manufactured in sections in a workshop according to the requirements of transportation and hoisting capacity, and then the components are transported to the site and are installed to form an integral structure by adopting connection modes such as welding, bolts or rivets.
No matter the steel column in the steel reinforced concrete structure or the frame steel structure, the steel column is a main bearing structure, so the butt joint installation quality of the sectional steel column on site has great significance on the integral structural stability of the steel structure building. The steel column is used as a vertical supporting system, and in order to ensure stable stress transmission, the close connection of the butt joint of the upper and lower steel columns and the verticality of the steel column must be ensured. Especially for the steel column that adopts the welding mode butt joint now, for guaranteeing the welding seam quality, the welding seam clearance need be reserved to upper and lower section steel column, and this clearance is stayed according to the designing requirement and is established, need control this clearance when hoist and mount, so in the steel column butt joint installation, the elevation regulation when upper segment steel column hoists is also very important, and traditional mode only relies on hoisting equipment operation can not accurate control wait to install the elevation of steel column, also does not do benefit to the straightness that hangs down that guarantees the steel column yet to make the installation accuracy of steel column can't obtain the assurance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a construction method for improving the installation accuracy of a steel column, which can effectively ensure the accuracy of the installation elevation of the upper section of the steel column, effectively control the welding seam distance between the upper section of the steel column and the lower section of the steel column, effectively ensure the perpendicularity of the steel column and improve the installation accuracy of the steel column.
The technical scheme of the invention is realized as follows:
the utility model provides a construction method for improving steel column installation accuracy, includes upper segment steel column and hypomere steel column, and the lower extreme of upper segment steel column and hypomere steel column all is equipped with the connection otic placode, and the upper end of upper segment steel column and hypomere steel column all is equipped with lifts by crane the otic placode, and the connection otic placode of upper segment steel column and the ear plate that lifts by crane of hypomere steel column set up one-to-one, and its construction method is: hoisting the upper section steel column to a mounting position by using hoisting equipment; then adjusting the horizontal position of the upper section steel column to enable the central axes of the upper section steel column and the lower section steel column to be positioned on the same straight line; then adjusting the vertical position of the upper section steel column to realize the adjustment of the welding distance between the upper section steel column and the lower section steel column; after the steel columns are adjusted in place, connecting lug plates of the upper-section steel columns and lifting lug plates of the lower-section steel columns are connected through connecting plates and bolts, so that the position relationship between the upper-section steel columns and the lower-section steel columns which are adjusted in place is fixed; and fixing the upper section steel column and the lower section steel column by spot welding, unhooking the hoisting equipment, butt-welding the upper section steel column and the lower section steel column, and disassembling the connecting plate, the lifting lug plate and the connecting lug plate after the welding is finished and the quality of the welding seam is detected to be qualified.
Furthermore, the adjustment of the horizontal position of the upper section steel column is realized through a transverse jack and an adjusting frame, the adjusting frame comprises four first supporting plates and four second supporting plates, the four first supporting plates are horizontally arranged at the upper end of the lower section steel column and are respectively positioned on four side surfaces of the lower section steel column, the four second supporting plates are vertically arranged, and the lower ends of the four second supporting plates are respectively fixed with the outer edges of the four first supporting plates in a one-to-one correspondence manner so as to be connected with the corresponding first supporting plates to form an L shape; the second supporting plate is provided with a certain length upwards, the transverse jack is arranged in the direction which needs to be adjusted on the upper section steel column, the bottom of the transverse jack abuts against the inner side of the second supporting plate in the adjusting direction, and the top of the transverse jack acts on the side face of the corresponding upper section steel column.
Furthermore, four top plates are horizontally arranged at the lower end of the upper section steel column, the four top plates are respectively located on four sides of the upper section steel column and are arranged opposite to the four first supporting plates one by one up and down, vertical jacks are respectively arranged on the two opposite first supporting plates close to the horizontal jacks, the bottoms of the vertical jacks are placed on the corresponding first supporting plates, and the tops of the vertical jacks act on the corresponding top plates for adjusting the welding seam distance between the upper section steel column and the lower section steel column.
Furthermore, the connecting lug plates at the lower end of the upper steel column and the lifting lug plates at the upper end of the lower steel column are two groups which are oppositely arranged, the two groups of connecting lug plates are arranged on two opposite side surfaces of the upper steel column respectively, the two groups of lifting lug plates are arranged on two opposite side surfaces of the lower steel column respectively, each group of connecting lug plates is provided with two connecting lug plates and two connecting lug plates which are arranged in parallel at intervals, each group of lifting lug plates is provided with two lifting lug plates and two lifting lug plates which are arranged in parallel at intervals, and the first supporting plate is arranged between the two lifting lug plates.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the transverse jack is arranged between the second supporting plate and the upper section steel column, so that the top of the transverse jack acts on the upper section steel column to adjust the verticality of the upper section steel column and the lower section steel column; through placing vertical jack on first backup pad, make vertical jack top act on the roof to adjust the installation elevation of upper segment steel column, also realize the regulation to the welding seam interval between upper segment steel column and the hypomere steel column simultaneously, whole accommodation process convenient operation can effectively improve the welding seam quality of upper segment steel column and hypomere steel column butt joint, improves the installation accuracy of steel column.
2. The invention has the advantages of less material consumption, local material manufacturing of each component, low construction cost and good economical efficiency.
Drawings
Fig. 1-schematic structural view of the present invention.
Wherein: 1-a first support plate; 2-a top plate; 3-a first jack; 4-a second support plate; 5-a second jack; 6-lifting the lug plate; 7-connecting ear plates; 8-connecting plates; 9-upper section steel column; 10-lower section steel column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a construction method for improving the installation accuracy of a steel column includes an upper steel column 9 and a lower steel column 10, wherein the lower ends of the upper steel column 9 and the lower steel column 10 are both provided with a connecting lug plate 7, the upper ends of the upper steel column 9 and the lower steel column 10 are both provided with a lifting lug plate 6, the connecting lug plate 7 of the upper steel column 9 and the lifting lug plate 6 of the lower steel column 10 are arranged in a one-to-one correspondence manner, and the construction method includes: hoisting the upper section steel column 9 to a mounting position by using hoisting equipment; then, adjusting the horizontal position of the upper section steel column 9 to enable the central axes of the upper section steel column 9 and the lower section steel column 10 to be positioned on the same straight line; then, adjusting the vertical position of the upper section steel column 9 to realize the adjustment of the welding distance between the upper section steel column 9 and the lower section steel column 10; after the steel column is adjusted in place, connecting lug plates 7 of the upper-section steel columns 9 and lifting lug plates 6 of the lower-section steel columns 10 are connected through connecting plates 8 and bolts, so that the positional relationship between the upper-section steel columns 9 and the lower-section steel columns 10 which are adjusted in place is fixed; and fixing the upper section steel column 9 and the lower section steel column 10 by spot welding, unhooking the hoisting equipment, butt-welding the upper section steel column 9 and the lower section steel column 10, detecting that the quality of a welding seam is qualified after welding, and then disassembling the connecting plate 8, the lifting lug plate 6 and the connecting lug plate 7.
When the steel column is manufactured in a subsection mode in a workshop, the lifting lug plates are welded at the upper ends of all sections of the steel column, the lower ends of the lifting lug plates are welded with the connecting lug plates, the lifting lug plates 6 and the connecting lug plates 7 are longitudinally arranged along the steel column, control buses are marked on all sections of the steel column, the control buses on all sections of the steel column are correspondingly arranged, so that the verticality of the upper section of the steel column and the verticality of the lower section of the steel column can be observed conveniently, and the verticality of the upper section of the steel column and the verticality of the lower section of the steel column can be observed by other means of course.
In specific implementation, the adjustment of the horizontal position of the upper section steel column 9 is realized through a transverse jack 3 and an adjusting frame, the adjusting frame comprises four first supporting plates 1 and four second supporting plates 4, the four first supporting plates 1 are horizontally arranged at the upper end of the lower section steel column 10 and are respectively positioned on four side surfaces of the lower section steel column 10, the four second supporting plates 4 are vertically arranged, and the lower ends of the four second supporting plates 1 are respectively fixed with the outer side edges of the four first supporting plates 1 in a one-to-one correspondence manner so as to be connected with the corresponding first supporting plates 1 to form an L shape; the second supporting plate 4 is provided with a certain length upwards, the transverse jack 3 is arranged in the direction of the upper section steel column 9 to be adjusted, the bottom of the transverse jack 3 abuts against the inner side of the second supporting plate 4 in the adjusting direction, and the top of the transverse jack acts on the side face of the corresponding upper section steel column 9.
Like this, when the control bus of upper segment steel column and hypomere steel column is not on a straight line, then adjust through setting up horizontal jack in the second backup pad, during the regulation, the bottom of horizontal jack is supported and is pasted in the second backup pad inboard, and the top of horizontal jack is pushed up on the upper segment steel column side that corresponds, combines the generating line to adjust the straightness that hangs down of upper segment steel column and hypomere steel column for the control bus of upper segment steel column and hypomere steel column is located same straight line.
During specific implementation, the lower end of the upper section steel column 9 is horizontally provided with four top plates 2, the four top plates 2 are respectively located on four sides of the upper section steel column 9 and are arranged opposite to the four first supporting plates 1 one by one, the two opposite first supporting plates next to the transverse jacks are respectively provided with vertical jacks 5, the bottoms of the vertical jacks 5 are placed on the first supporting plates 1, and the tops of the vertical jacks 5 act on the corresponding top plates 2 to adjust the welding seam distance between the upper section steel column 9 and the lower section steel column 10.
Here, can set up 2~4 vertical jacks and carry out stable support to the upper segment steel column, but consider to be equipped with the horizontal jack and adjust the straightness that hangs down, so set up two vertical jacks and not only can avoid the horizontal jack, and set up two and can guarantee effectively to support the upper segment steel column when, it is more convenient to go up and down two vertical jack in-process regulation simultaneously, so just improve the installation elevation precision of upper segment steel column through two vertical jacks, and the precision of the welding seam distance between upper segment steel column and the hypomere steel column, thereby guarantee the welding seam quality of upper and hypomere steel column butt joint.
During specific implementation, the connection otic placode 7 of upper segment steel column 9 lower extreme and the ear of lifting by crane 6 of hypomere steel column 10 upper end are two sets of for relative setting respectively, and two sets of connection otic placodes 7 set up respectively on two relative sides of upper segment steel column 9, and two sets of ear of lifting by crane 6 set up respectively on two relative sides of hypomere steel column 10, and every group connects the otic placode to have two to connect otic placodes 7 and two to connect otic placodes 7 interval parallel arrangement, and every group lifts by crane the otic placode and has two to lift by crane otic placodes 6 and two and lift by crane 6 interval parallel arrangement, first backup pad 1 is located between two ear of lifting by crane 6.
Like this, when realizing that upper segment steel column and hypomere steel column can effectively be connected, also can stagger first backup pad with lift by crane otic placode and connection otic placode, guarantee each component noninterference.
Finally, it should be noted that the above-mentioned examples of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes and modifications of the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides an improve construction method of steel column installation accuracy, includes upper segment steel column and hypomere steel column, and the lower extreme of upper segment steel column and hypomere steel column all is equipped with the connection otic placode, and the upper end of upper segment steel column and hypomere steel column all is equipped with lifts by crane the otic placode, and the connection otic placode of upper segment steel column and the ear plate that lifts by crane of hypomere steel column one-to-one set up, its characterized in that, its construction method is: hoisting the upper section steel column to a mounting position by using hoisting equipment; then adjusting the horizontal position of the upper section steel column to enable the central axes of the upper section steel column and the lower section steel column to be positioned on the same straight line; then adjusting the vertical position of the upper section steel column to realize the adjustment of the welding distance between the upper section steel column and the lower section steel column; after the steel columns are adjusted in place, connecting lug plates of the upper-section steel columns and lifting lug plates of the lower-section steel columns are connected through connecting plates and bolts, so that the position relationship between the upper-section steel columns and the lower-section steel columns which are adjusted in place is fixed; and fixing the upper section steel column and the lower section steel column by spot welding, unhooking the hoisting equipment, butt-welding the upper section steel column and the lower section steel column, and disassembling the connecting plate, the lifting lug plate and the connecting lug plate after the welding is finished and the quality of the welding seam is detected to be qualified.
2. The construction method for improving the installation accuracy of the steel column according to claim 1, wherein the horizontal position of the upper steel column is adjusted by a horizontal jack and an adjusting bracket, the adjusting bracket comprises four first supporting plates and four second supporting plates, the four first supporting plates are horizontally arranged at the upper end of the lower steel column and are respectively located on four sides of the lower steel column, the four second supporting plates are vertically arranged, and the lower ends of the four second supporting plates are respectively fixed to the outer edges of the four first supporting plates in a one-to-one correspondence manner so as to be connected with the corresponding first supporting plates in an L shape; the second supporting plate is provided with a certain length upwards, the transverse jack is arranged in the direction which needs to be adjusted on the upper section steel column, the bottom of the transverse jack abuts against the inner side of the second supporting plate in the adjusting direction, and the top of the transverse jack acts on the side face of the corresponding upper section steel column.
3. The construction method for improving the installation accuracy of the steel column as claimed in claim 2, wherein the lower end of the upper steel column is horizontally provided with four top plates, the four top plates are respectively located on four sides of the upper steel column and are opposite to the four first support plates one by one, and the two opposite first support plates adjacent to the horizontal jacks are respectively provided with vertical jacks, the bottoms of the vertical jacks are placed on the corresponding first support plates, and the tops of the vertical jacks act on the corresponding top plates to adjust the welding seam distance between the upper steel column and the lower steel column.
4. The construction method for improving the installation accuracy of the steel column according to claim 2, wherein the connecting lug plates at the lower end of the upper section steel column and the lifting lug plates at the upper end of the lower section steel column are respectively two sets of oppositely arranged connecting lug plates, the two sets of connecting lug plates are respectively arranged on two opposite sides of the upper section steel column, the two sets of lifting lug plates are respectively arranged on two opposite sides of the lower section steel column, each set of connecting lug plates has two connecting lug plates and two connecting lug plates which are arranged in parallel at intervals, each set of lifting lug plates has two lifting lug plates and two lifting lug plates which are arranged in parallel at intervals, and the first supporting plate is arranged between the two lifting lug plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110866333.2A CN113463929A (en) | 2021-07-29 | 2021-07-29 | Construction method for improving installation accuracy of steel column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110866333.2A CN113463929A (en) | 2021-07-29 | 2021-07-29 | Construction method for improving installation accuracy of steel column |
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| CN113463929A true CN113463929A (en) | 2021-10-01 |
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| CN202110866333.2A Pending CN113463929A (en) | 2021-07-29 | 2021-07-29 | Construction method for improving installation accuracy of steel column |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833286A (en) * | 2021-11-01 | 2021-12-24 | 浙江精工钢结构集团有限公司 | Steel pipe column on-site butt joint positioning device and construction method |
| CN114293791A (en) * | 2022-01-25 | 2022-04-08 | 中国建筑第八工程局有限公司 | Auxiliary tool for mounting non-fixedly-connected steel column |
| CN114753511A (en) * | 2022-04-29 | 2022-07-15 | 上海泰大建筑科技有限公司 | Steel column building site concatenation installation locator |
| CN115467537A (en) * | 2022-10-08 | 2022-12-13 | 中建八局第二建设有限公司 | Steel column butt joint fixture in high-rise steel structure construction and butt joint method thereof |
| CN115676621A (en) * | 2022-09-07 | 2023-02-03 | 浙江长兴金诺预制构件有限公司 | High-efficient installation device of prefab for capital construction |
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| CN113020870A (en) * | 2021-03-23 | 2021-06-25 | 中国十七冶集团有限公司 | Steel column positioning device and steel column installation construction method |
| CN215211581U (en) * | 2021-07-29 | 2021-12-17 | 中冶建工集团重庆钢结构有限公司 | A installation regulation structure for steel column butt joint |
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| CN101858148A (en) * | 2009-04-10 | 2010-10-13 | 江苏顺通建设工程有限公司 | Steel column splicing three-dimensional adjusting method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833286A (en) * | 2021-11-01 | 2021-12-24 | 浙江精工钢结构集团有限公司 | Steel pipe column on-site butt joint positioning device and construction method |
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| CN114753511A (en) * | 2022-04-29 | 2022-07-15 | 上海泰大建筑科技有限公司 | Steel column building site concatenation installation locator |
| CN115676621A (en) * | 2022-09-07 | 2023-02-03 | 浙江长兴金诺预制构件有限公司 | High-efficient installation device of prefab for capital construction |
| CN115676621B (en) * | 2022-09-07 | 2024-05-07 | 山西宏图清明建设工程有限公司 | Prefabricated member efficient installation device for foundation construction |
| CN115467537A (en) * | 2022-10-08 | 2022-12-13 | 中建八局第二建设有限公司 | Steel column butt joint fixture in high-rise steel structure construction and butt joint method thereof |
| CN115467537B (en) * | 2022-10-08 | 2023-11-28 | 中建八局第二建设有限公司 | Steel column butt joint clamp and butt joint method thereof in high-rise steel structure construction |
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