CN111719771A - Temporary fixing method for mounting underground chamber box steel column - Google Patents
Temporary fixing method for mounting underground chamber box steel column Download PDFInfo
- Publication number
- CN111719771A CN111719771A CN202010538206.5A CN202010538206A CN111719771A CN 111719771 A CN111719771 A CN 111719771A CN 202010538206 A CN202010538206 A CN 202010538206A CN 111719771 A CN111719771 A CN 111719771A
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- CN
- China
- Prior art keywords
- steel
- steel column
- box
- column
- turn buckle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
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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
- 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
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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
- 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
A temporary fixing method for mounting underground chamber box steel columns is characterized by comprising the following steps: a. the method comprises the following steps of manufacturing a temporary tie device, b, temporarily fixing the box-type steel column, c, tying one side of the steel column in the other direction until the steel column is evenly stressed in all directions, and d, tightening the turn buckle in all directions of the steel column for the second time, so that the steel column is prevented from being deviated due to mechanical connection of steel bars. The temporary fixing method for mounting the basement box steel column has the advantages that the temporary fixing device is simple in structure, convenient to manufacture and convenient to erect, the steel column is tied in all directions, the overall stability is high, the safety and the reliability are high, the fixing device can be circularly used between different building numbers and different projects, and the engineering cost is reduced.
Description
Technical Field
The invention relates to a temporary fixing measure in steel structure installation, in particular to a temporary fixing method for installing an underground chamber box steel column.
Background
The city concubine county comprehensive bonded area innovation and creation center project is characterized in that a basement of an office building is of a strong steel concrete structure, 500-20 mm box-type steel columns are adopted for steel columns, the cross section size of a concrete column outside the steel columns is 800-800 mm, top beams of the basement are reinforced concrete beams, and beam ribs are mechanically connected with straight threaded sleeves welded on the steel columns; in the beam rib mechanical connection process, as the column top is not provided with effective fixing measures, the steel column deviates along the beam rib direction constructed firstly, and the verticality deviation of the steel column exceeds the allowable range.
The known beam-to-steel column welded straight-threaded sleeve mechanical connections therefore suffer from the inconveniences and problems described above.
Disclosure of Invention
The invention aims to provide a safe and reliable temporary fixing method for mounting a steel column of a basement box section.
In order to achieve the purpose, the technical solution of the invention is as follows:
a temporary fixing method for mounting underground chamber box steel columns is characterized by comprising the following steps:
a. device for manufacturing temporary drawknot
The temporary tying device comprises a plurality of turn buckle bolts, steel wire ropes and steel plate clamps, the turn buckle bolts are finished turn buckle bolts, the steel wire ropes are steel wire ropes with the diameter of 26mm, the steel plate clamps are C-shaped steel plate clamps, one end of each C-shaped steel plate clamp can be clamped into a grouting hole in the top of the box-type steel column, and the other end of each C-shaped steel plate clamp is provided with a through hole which enables the steel wire ropes to penetrate and be;
b. temporary fixation of box type steel column
The basement box steel columns are arranged in a three-longitudinal-three-transverse mode, and a grouting hole is formed in the top of each box steel column; one end of a C-shaped steel plate clamp is clamped into a grouting hole at the top of each box-shaped steel column between the tops of two adjacent box-shaped steel columns, and then the two adjacent box-shaped steel columns are connected through a steel wire rope by using a turn buckle;
c. after one side of the steel column is pulled and connected, the other side of the steel column is pulled and connected until the force of the steel column in all directions is uniform;
d. and the turn buckle bolts of each steel column in each direction are tightened for the second time, so that the steel columns cannot deviate due to the mechanical connection of the steel bars.
The temporary fixing method for installing the basement box steel column can be further realized by adopting the following technical measures.
The method, wherein the specification of the turn buckle is equal to or more than phi 20M 22.
In the method, the thickness of the steel plate of the C-shaped steel plate fixture is more than or equal to 20 mm.
After the technical scheme is adopted, the temporary fixing method for mounting the box steel column in the basement has the following advantages:
1. the temporary fixing device has simple structure, convenient manufacture and convenient erection;
2. the steel columns are tied in all directions, so that the integral stability is realized, and the safety and the reliability are realized;
3. the fixing device can be circularly used among different building numbers and different projects, and engineering cost is reduced.
Drawings
FIG. 1 is a schematic plan view of a steel column tie arrangement according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a steel column tie according to an embodiment of the present invention.
In the figure: 1 box steel column, 2 wire rope, 3 turnbuckle, 4C shaped steel board fixture, 5 grout holes, 6 basement strength steel concrete column, 7 basement roof beam slabs, 8 basement roof beam owner muscle, 9 welding straight thread sleeve.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention discloses a manufacturing method of a temporary fixing device for mounting a basement box type steel column, which comprises the following steps: the temporary fixing device is formed by combining and manufacturing a turnbuckle 3, a steel wire rope 2 and a steel plate clamp. Wherein: the flower basket bolt: adopting a finished phi 20M22 turn-key bolt; steel wire rope: a steel wire rope with the diameter of 26mm is adopted; steel plate fixture: manufacturing a C-shaped steel plate clamp 4 by blanking waste steel plates with thickness of 20mm, wherein the length of the clamp is required to ensure that one end of the clamp can be smoothly clamped into a grouting hole at the top of a box-type steel column; and a round hole with the diameter of 30mm is drilled at the exposed end of the fixture and is used for the steel wire rope to penetrate.
Example 2
The use method of the temporary fixing device for mounting the basement box type steel column comprises the following steps:
the basement box steel columns are arranged in a three-longitudinal-three-transverse mode, and grouting holes 5 are formed in the tops of the box steel columns.
Referring now to fig. 1 and 2, fig. 1 is a schematic plan view illustrating arrangement of steel column tie bars according to an embodiment of the present invention, and fig. 2 is a schematic cross-sectional view illustrating steel column tie bars according to an embodiment of the present invention. As shown in the figure, one end of the C-shaped steel plate clamp 4 is clamped in a grouting hole 5 in the top of the box-type steel column, and a steel wire rope 2 penetrates through the exposed part of the other end of the C-shaped steel plate clamp. One end of the steel wire rope is connected with the C-shaped steel plate clamp, and the other end of the steel wire rope is connected with the turn buckle 3. And fully fastening the turn buckle, and properly drawing and connecting steel columns at two ends through steel wire ropes at two ends and a C-shaped steel plate clamp. After one side of the steel column is placed in one direction and pulled, the other side of the steel column is pulled and placed until the stress in all directions is uniform. The turn buckle bolts in all directions are tightened for the second time, and the steel column is prevented from being deviated due to mechanical connection of the steel bars.
The method for temporarily fixing the installation of the steel column of the basement box is used for the adjacent edge protection in the installation stage of the steel structure, can be used for tying safety belts and safety ropes and ensures the safety of operating personnel; the clamp is made of simple materials, the steel wire rope and the turn buckle are easy to purchase and recycle, and the cost investment is reduced; the tool is convenient to mount and dismount and is firm and stable in pulling, and partial field waste can be used for manufacturing.
The temporary fixing method for installing the basement box steel column is applied to project engineering of innovation entrepreneur center in the Caofen Dian comprehensive bonded area, and the effect is obvious.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (3)
1. A temporary fixing method for mounting underground chamber box steel columns is characterized by comprising the following steps:
a. device for manufacturing temporary drawknot
The temporary tying device comprises a plurality of turn buckle bolts, steel wire ropes and steel plate clamps, the turn buckle bolts are finished turn buckle bolts, the steel wire ropes are steel wire ropes with the diameter of 26mm, the steel plate clamps are C-shaped steel plate clamps, one end of each C-shaped steel plate clamp can be clamped into a grouting hole in the top of the box-type steel column, and the other end of each C-shaped steel plate clamp is provided with a through hole which enables the steel wire ropes to penetrate and be;
b. temporary fixation of box type steel column
The basement box steel columns are arranged in a three-longitudinal-three-transverse mode, and a grouting hole is formed in the top of each box steel column; one end of a C-shaped steel plate clamp is clamped into a grouting hole at the top of each box-shaped steel column between the tops of two adjacent box-shaped steel columns, and then the two adjacent box-shaped steel columns are connected through a steel wire rope by using a turn buckle;
c. after one side of the steel column is pulled and connected, the other side of the steel column is pulled and connected until the force of the steel column in all directions is uniform;
d. and the turn buckle bolts of each steel column in each direction are tightened for the second time, so that the steel columns cannot deviate due to the mechanical connection of the steel bars.
2. The method for temporarily fixing the basement box type steel column in the installation mode as claimed in claim 1, wherein the specification of the turn buckle is equal to or larger than phi 20M 22.
3. The method for temporarily fixing the basement box type steel column in the installation mode according to claim 1, wherein the thickness of the steel plate of the C-shaped steel plate clamp is more than or equal to 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538206.5A CN111719771A (en) | 2020-06-12 | 2020-06-12 | Temporary fixing method for mounting underground chamber box steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538206.5A CN111719771A (en) | 2020-06-12 | 2020-06-12 | Temporary fixing method for mounting underground chamber box steel column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111719771A true CN111719771A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010538206.5A Pending CN111719771A (en) | 2020-06-12 | 2020-06-12 | Temporary fixing method for mounting underground chamber box steel column |
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| Country | Link |
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| CN (1) | CN111719771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137102A (en) * | 2021-05-18 | 2021-07-20 | 中国中材国际工程股份有限公司 | Assembled type warehouse roof structure and installation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201128959Y (en) * | 2007-11-10 | 2008-10-08 | 陈名华 | Novel building top structure |
| GB2454553A (en) * | 2007-09-13 | 2009-05-13 | Kevin Hollowed | Mortar joint gauge |
| GB2469060A (en) * | 2009-03-31 | 2010-10-06 | Paul Ashley Smith | Roof truss support clamp |
| CN203939824U (en) * | 2014-05-13 | 2014-11-12 | 中国一冶集团有限公司 | Be connected and fixed device for steel plate protectiveness |
| CN204702404U (en) * | 2015-07-02 | 2015-10-14 | 甘肃第一安装工程有限公司 | Portable suspender |
| CN208594768U (en) * | 2018-07-06 | 2019-03-12 | 北京六建集团有限责任公司 | A kind of detachable girder steel horizontal protective device |
-
2020
- 2020-06-12 CN CN202010538206.5A patent/CN111719771A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2454553A (en) * | 2007-09-13 | 2009-05-13 | Kevin Hollowed | Mortar joint gauge |
| CN201128959Y (en) * | 2007-11-10 | 2008-10-08 | 陈名华 | Novel building top structure |
| GB2469060A (en) * | 2009-03-31 | 2010-10-06 | Paul Ashley Smith | Roof truss support clamp |
| CN203939824U (en) * | 2014-05-13 | 2014-11-12 | 中国一冶集团有限公司 | Be connected and fixed device for steel plate protectiveness |
| CN204702404U (en) * | 2015-07-02 | 2015-10-14 | 甘肃第一安装工程有限公司 | Portable suspender |
| CN208594768U (en) * | 2018-07-06 | 2019-03-12 | 北京六建集团有限责任公司 | A kind of detachable girder steel horizontal protective device |
Non-Patent Citations (1)
| Title |
|---|
| 贾成钢等: "昆明五华广场钢骨混凝土柱施工技术", 《建筑技术开发》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137102A (en) * | 2021-05-18 | 2021-07-20 | 中国中材国际工程股份有限公司 | Assembled type warehouse roof structure and installation method thereof |
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Application publication date: 20200929 |
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| RJ01 | Rejection of invention patent application after publication |