CN101818575A - Construction technology of cross-shaped profile steel column - Google Patents
Construction technology of cross-shaped profile steel column Download PDFInfo
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- CN101818575A CN101818575A CN 201010108028 CN201010108028A CN101818575A CN 101818575 A CN101818575 A CN 101818575A CN 201010108028 CN201010108028 CN 201010108028 CN 201010108028 A CN201010108028 A CN 201010108028A CN 101818575 A CN101818575 A CN 101818575A
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Abstract
The invention belongs to the field of building construction, in particular to a construction technology of a cross-shaped profile steel column, comprising the following steps: firstly laying off and identifying the cross-shaped axes of a profile steel column to be installed, and using the cross-shaped axes as a reference for installing and positioning the profile steel column and controlling the installation parameters; checking and verifying the dimension and model of the profile steel column to be installed and whether the profile steel column is deformed or not in the transport process; and vertically hoisting the verified profile steel column with an upper section and a lower section to an installation position by utilizing a hoisting machinery, placing a ring of steel bar with the diameter of 6mm at the butt part of the upper section and the lower section of the profile steel column, and reserving a space for regulation. The construction technology in the invention has simple construction procedures and is favor of safe management.
Description
Technical field:
The invention belongs to the realm of building construction, be specifically related to a kind of construction technology of cross-shaped profile steel column.
Background technology:
The cross-shaped profile steel concrete column is a kind of form commonly used in steel reinforced concrete (SRC) structure, because this kind form of structure has supporting capacity height, rigidity and reaches advantages such as anti-seismic performance is good greatly, be applied to the highrise building and the super highrise building of longspan structure and earthquake zone more and more, but the installation procedure of cross steel column is comparatively complicated at present, strengthened workload like this, thereby cause construction speed slow, improved operating expenses, be unfavorable for effective construction.
Summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art and provide a kind of operation simple, the efficient height helps the construction technology of cross-shaped profile steel column of safety management.
The object of the present invention is achieved like this:
Its construction sequence is as follows:
The first step is surveyed the cross axis of establishing and identify the steel column that will install earlier, and this cross axis is as the foundation of steel column installing and locating and control installation parameter thereof;
In second step, whether the steel column that install carried out being out of shape in appearance and size, steel column model and the transportation check and check;
The 3rd step, with lifting appliance the steel column of nodal pattern up and down of confirmation is vertically worked the position that winches to installation, and place the reinforcing bar that a loop diameter is 6mm at nodal pattern steel column butt joint position up and down, reserve and adjust the space;
In the 4th step, up and down behind the nodal pattern steel column hoisted in position,, clamp otic placode with connecting steel plate, and use bolt at the outside otic placode of installing of frange plate of nodal pattern steel column up and down;
In the 5th step, axis and verticality in the nodal pattern steel column installation process are up and down proofreaied and correct;
In the 6th step, steel column is fixed with being connected steel plate otic placode after proofreading and correct and finishing by spot welding, fixes at the inboard welding of the frange plate U-shaped steel plate of steel column, and after fixedly finishing, the diameter that the removal seam crossing is reserved is the reinforcing bar of 6mm, and weld cleaning is clean;
In the 7th step, pass through CO
2Gas shielded arc welding welds steel column, and after welding finished, butt welded seam carried out ultrasonic testing/ ultrasonic examination and detects;
The 8th step, to the installation parameter of the verticality of the steel column after installing, axis, absolute altitude check, record.
Described axis is proofreaied and correct by L shaped steel plate being fixedly welded on down on the frange plate of nodal pattern steel column one side, between L shaped edge of a wing steel plate and frange plate, squeeze into the triangle gad drive reverse, the hole in the ground steel column, meet the data of installation parameter until the axial location of all directions.
On the frange plate of described rectify perpendicular by nodal pattern steel column about spot welding is fixed on respectively with scalable screw rod two ends, rotate scalable screw rod by the crowbar that is arranged on the flexible screw rod, the verticality of regulation type steel column is until the data that meet installation parameter.
The inboard, joint of described up and down nodal pattern steel column is provided with the welding liner plate, be symmetrically welded simultaneously, and sealing weld is carried out in layering, gradation.
Beneficial effect of the present invention:
Adopt this worker method, working procedure is simple, helps safety management.
This technology can strengthen each setting height(from bottom) of steel column in lifting appliance crane capacity scope, reduce number of times is installed, and accelerating construction progress reduces operating expenses.
This technological operation is easy, and installation rate is fast, a nodal pattern steel column is installed is needed 2 hours approximately.Power scheduling building, Putian is provided with 12 steel columns for every layer, adopts cable wind rope to carry out installation, needs 2 working days, adopts this worker method to carry out the flowing water installation, only needs 1 working day, and the duration benefit is obvious.
Description of drawings:
Fig. 1 is installation procedure figure of the present invention;
Fig. 2 places schematic diagram for the docking site reinforcing bar:
Fig. 3 is the temporary fixed schematic diagram of steel column;
Fig. 4 is the temporary fixed A-A sectional view of steel column;
Fig. 5 adjusts schematic diagram for the steel column axis;
Fig. 6 adjusts vertical view for the steel column axis;
Fig. 7 vertically adjusts schematic diagram for steel column;
Fig. 8 vertically adjusts vertical view for steel column;
Fig. 9 is the fixing schematic diagram of steel column.
Wherein 1 represent frange plate, 2 represent reinforcing bar, and 3 represent otic placode, and 4 representatives connect steel plate, and 5 represent bolt, the L shaped steel plate of 6 representatives, 7 represent the triangle gad, and 8 representatives are the nodal pattern steel column down, the flexible screw rod of 9 representatives, 10 represent crowbar, and the nodal pattern steel column is gone up in 11 representatives, 12 representative welding liner plates, and 13 represent the U-shaped steel plate.
The specific embodiment:
Construction technology of the present invention is as follows:
The first step is surveyed the cross axis of establishing and identify the steel column that will install earlier, and this cross axis is as the foundation of steel column installing and locating and control installation parameter thereof;
In second step, whether the steel column that install carried out being out of shape in appearance and size, steel column model and the transportation check and check;
The 3rd step, with lifting appliance the steel column of nodal pattern up and down of confirmation is vertically worked the position that winches to installation, and place the reinforcing bar that a loop diameter is 6mm at nodal pattern steel column butt joint position up and down, reserve and adjust the space;
In the 4th step, up and down behind the nodal pattern steel column hoisted in position,, clamp otic placode with connecting steel plate, and use bolt at the outside otic placode of installing of frange plate of nodal pattern steel column up and down;
In the 5th step, axis and verticality in the nodal pattern steel column installation process are up and down proofreaied and correct;
In the 6th step, steel column is fixed with being connected steel plate otic placode after proofreading and correct and finishing by spot welding, fixes at the inboard welding of the frange plate U-shaped steel plate of steel column, and after fixedly finishing, the diameter that the removal seam crossing is reserved is the reinforcing bar of 6mm, and weld cleaning is clean;
In the 7th step, pass through CO
2Gas shielded arc welding welds steel column, and after welding finished, butt welded seam carried out ultrasonic testing/ ultrasonic examination and detects;
The 8th step, to the installation parameter of the verticality of the steel column after installing, axis, absolute altitude check, record.
Described axis is proofreaied and correct by L shaped steel plate being fixedly welded on down on the frange plate of nodal pattern steel column one side, between L shaped edge of a wing steel plate and frange plate, squeeze into the triangle gad drive reverse, the hole in the ground steel column, meet the data of installation parameter until the axial location of all directions.
On the frange plate of described rectify perpendicular by nodal pattern steel column about spot welding is fixed on respectively with scalable screw rod two ends, rotate scalable screw rod by the crowbar that is arranged on the flexible screw rod, the verticality of regulation type steel column is until the data that meet installation parameter.
The inboard, joint of described up and down nodal pattern steel column is provided with the welding liner plate, be symmetrically welded simultaneously, and sealing weld is carried out in layering, gradation.
Concrete application example: power scheduling building, Putian is positioned at the Putian City Chengxiang District, 16 layers of (floor absolute altitude 63.14m) following frame column of this engineering adopt steel reinforced concrete structure, the steel reinforced concrete column cross-section size is 1.05 * 1.05 meters, 0.7 * 0.7 meter of internal cruciform shaped steel sectional dimension, steel column steel plate thickness is 40mm to the maximum, and minimum is 18mm.Steel column adopts this worker method to carry out installation, in tower crane lifting ability allowed band, each steel column that 9 meters height are installed, reduced the installation number of times of steel column, the verticality that each nodal pattern steel column is installed, absolute altitude, axis etc. all satisfy the current specifications requirement, guarantee the construction quality of steel column, shortened the construction period, saved operating expenses.
The everything commercial square is positioned at the Industrial Road, Fuzhou City, and this project adopts the installation of this worker method success progressive type steel column, and workmanship satisfies the current specifications requirement.
Claims (4)
1. construction technology of cross-shaped profile steel column, it is characterized in that: its construction sequence is as follows:
The first step is surveyed the cross axis of establishing and identify the steel column that will install earlier, and this cross axis is as the foundation of steel column installing and locating and control installation parameter thereof;
In second step, whether the steel column that install carried out being out of shape in appearance and size, steel column model and the transportation check and check;
The 3rd step, with lifting appliance the steel column of nodal pattern up and down of confirmation is vertically worked the position that winches to installation, and place the reinforcing bar that a loop diameter is 6mm at nodal pattern steel column butt joint position up and down, reserve and adjust the space;
In the 4th step, up and down behind the nodal pattern steel column hoisted in position,, clamp otic placode with connecting steel plate, and use bolt at the outside otic placode of installing of frange plate of nodal pattern steel column up and down;
In the 5th step, axis and verticality in the nodal pattern steel column installation process are up and down proofreaied and correct;
In the 6th step, steel column is fixed with being connected steel plate otic placode after proofreading and correct and finishing by spot welding, fixes at the inboard welding of the frange plate U-shaped steel plate of steel column, and after fixedly finishing, the diameter that the removal seam crossing is reserved is the reinforcing bar of 6mm, and weld cleaning is clean;
In the 7th step, pass through CO
2Gas shielded arc welding welds steel column, and after welding finished, butt welded seam carried out ultrasonic testing/ ultrasonic examination and detects;
The 8th step, to the installation parameter of the verticality of the steel column after installing, axis, absolute altitude check, record.
2. construction technology of cross-shaped profile steel column according to claim 1, it is characterized in that: described axis is proofreaied and correct by L shaped steel plate being fixedly welded on down on the frange plate of nodal pattern steel column one side, between L shaped edge of a wing steel plate and frange plate, squeeze into the triangle gad drive reverse, the hole in the ground steel column, meet the data of installation parameter until the axial location of all directions.
3. construction technology of cross-shaped profile steel column according to claim 1, it is characterized in that: on the frange plate of described rectify perpendicular by nodal pattern steel column about spot welding is fixed on respectively with scalable screw rod two ends, rotate scalable screw rod by the crowbar that is arranged on the flexible screw rod, the verticality of regulation type steel column is until the data that meet installation parameter.
4. construction technology of cross-shaped profile steel column according to claim 1 is characterized in that: the inboard, joint of described up and down nodal pattern steel column is provided with the welding liner plate, be symmetrically welded simultaneously, and sealing weld is carried out in layering, gradation.
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| CN 201010108028 CN101818575A (en) | 2010-02-10 | 2010-02-10 | Construction technology of cross-shaped profile steel column |
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| CN 201010108028 CN101818575A (en) | 2010-02-10 | 2010-02-10 | Construction technology of cross-shaped profile steel column |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505859A (en) * | 2011-11-01 | 2012-06-20 | 中国建筑第八工程局有限公司 | Method for parallelly welding longitudinal reinforcing steel ribs of profile steel concrete columns on beams of transfer floor |
| CN102888998A (en) * | 2012-04-19 | 2013-01-23 | 中国建筑第四工程局有限公司 | Method and structure for lifting supporting steel column |
| CN102896432A (en) * | 2011-07-27 | 2013-01-30 | 上海宝冶集团有限公司 | Method for installing vertical section of overhead large-diameter pipeline |
| CN103510714A (en) * | 2012-07-03 | 2014-01-15 | 中国有色金属工业第六冶金建设有限公司 | Welding and construction method for cross-shaped steel pillar |
| CN103806669A (en) * | 2013-12-24 | 2014-05-21 | 大立建设集团有限公司 | Construction method for H-type steel stiff column with cross fracture surface |
| CN104339092A (en) * | 2014-10-15 | 2015-02-11 | 中冶天工上海十三冶建设有限公司 | Double-groove suspension butt welding method for cross steel columns of super high-rise building |
| CN104631707A (en) * | 2015-01-23 | 2015-05-20 | 山东科技大学 | Combined square steel pipe concrete column and construction method |
| CN106223543A (en) * | 2016-09-23 | 2016-12-14 | 中建八局第建设有限公司 | A kind of cross speed connects formula light steel construction post and installation method thereof |
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| CN101435222A (en) * | 2008-12-12 | 2009-05-20 | 大连三川建设集团股份有限公司 | Steel lattice column non-cable correcting construction method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896432A (en) * | 2011-07-27 | 2013-01-30 | 上海宝冶集团有限公司 | Method for installing vertical section of overhead large-diameter pipeline |
| CN102896432B (en) * | 2011-07-27 | 2016-03-30 | 上海宝冶集团有限公司 | High-altitude big-diameter pipeline vertical section pipe installation method |
| CN102505859A (en) * | 2011-11-01 | 2012-06-20 | 中国建筑第八工程局有限公司 | Method for parallelly welding longitudinal reinforcing steel ribs of profile steel concrete columns on beams of transfer floor |
| CN102505859B (en) * | 2011-11-01 | 2014-02-12 | 中国建筑第八工程局有限公司 | Method for parallelly welding longitudinal reinforcing steel ribs of profile steel concrete columns on beams of transfer floor |
| CN102888998A (en) * | 2012-04-19 | 2013-01-23 | 中国建筑第四工程局有限公司 | Method and structure for lifting supporting steel column |
| CN102888998B (en) * | 2012-04-19 | 2015-01-07 | 中国建筑第四工程局有限公司 | Method and structure for lifting supporting steel column |
| CN103510714A (en) * | 2012-07-03 | 2014-01-15 | 中国有色金属工业第六冶金建设有限公司 | Welding and construction method for cross-shaped steel pillar |
| CN103806669A (en) * | 2013-12-24 | 2014-05-21 | 大立建设集团有限公司 | Construction method for H-type steel stiff column with cross fracture surface |
| CN104339092A (en) * | 2014-10-15 | 2015-02-11 | 中冶天工上海十三冶建设有限公司 | Double-groove suspension butt welding method for cross steel columns of super high-rise building |
| CN104631707A (en) * | 2015-01-23 | 2015-05-20 | 山东科技大学 | Combined square steel pipe concrete column and construction method |
| CN106223543A (en) * | 2016-09-23 | 2016-12-14 | 中建八局第建设有限公司 | A kind of cross speed connects formula light steel construction post and installation method thereof |
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Open date: 20100901 |