CN112252733A - Method for installing hanging steel structure - Google Patents
Method for installing hanging steel structure Download PDFInfo
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- CN112252733A CN112252733A CN202010928640.4A CN202010928640A CN112252733A CN 112252733 A CN112252733 A CN 112252733A CN 202010928640 A CN202010928640 A CN 202010928640A CN 112252733 A CN112252733 A CN 112252733A
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- column
- hanging
- connecting plate
- dummy
- steel structure
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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
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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
- E04G21/162—Handles to carry construction blocks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a method for installing a hanging steel structure, which comprises the following steps: arranging a dummy column; the false column is detachably connected with the hanging column; hoisting the false column and the hanging column in place; and a threaded part and a positioning nut are fixedly arranged on the ground below the false column, and the position of the positioning nut on the threaded part is adjusted to adjust the gap between the false column and the ground so as to enable the hanging column to be at a preset height. The method for installing the hanging steel structure has the advantages that the hanging columns are supported and fixed through the arrangement of the dummy columns, the dummy columns are equivalent to the pillars on the first floor of the building and are used for supporting the hanging columns above the building, a certain gap is formed between the dummy columns and the ground, the hanging columns can be fixed on a preset height through adjustment of the threaded pieces and the positioning nuts, positioning is accurate, unloading of the hanging columns is facilitated, the overall structure and operation are simple, construction efficiency is improved, the dummy columns are convenient to disassemble and can be recycled, and the method is used for the technical field of building construction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method for installing a hanging steel structure.
Background
The existing public buildings such as libraries and commercial buildings are used for building a first-floor spacious public space, a structural column is not arranged in the first-floor partial region, a hanging steel structure is adopted in the two-layer structure, and the hanging steel structure is hung on a roof large-span steel truss. In the correlation technique, the installation of the hanging steel structure adopts a method of installing a support frame: a lattice type support frame is arranged at each hanging column position, a jack is arranged on the support frame, and the hanging columns are installed on the jacks. The method needs to manufacture a support frame and purchase a large number of jacks, measures are taken to ensure the stability of the support frame and the hanging column in the installation process, and the synchronization of the jacks is required during unloading. The method has the following obvious disadvantages: the support frame is basically disposable and is difficult to be reused; a jack needs to be arranged below each hanging column; corresponding construction measures need to be set for ensuring the stability of the supporting frame and the stability of the hanging column in the construction process, construction is complicated, and efficiency is low.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a method for installing a hanging steel structure, which can improve the construction efficiency.
According to an embodiment of the invention, a method for installing a hanging steel structure is provided, wherein the hanging steel structure comprises a hanging column, and the method comprises the following steps:
arranging a false column, wherein the false column is used for connecting the hanging column;
the false column is detachably connected with the hanging column;
hoisting the dummy column and the hanging column in place, wherein the dummy column faces downwards, and the length of the dummy column is smaller than the height of the first floor of the building, so that a gap is formed between the dummy column and the ground of the first floor of the building;
a threaded part and a positioning nut are fixedly arranged on the ground below the false column, the threaded part is provided with an external thread, the positioning nut is matched with the threaded part, and the position of the positioning nut on the threaded part is adjusted to adjust the gap between the false column and the ground so as to enable the hanging column to be at a preset height;
welding the upper steel truss with the hanging column;
and removing the false column.
The installation method of the hanging steel structure at least has the following beneficial effects: realize hanging the support of post and fixed through setting up the false post, the false post is equivalent to the pillar on building first floor for the post of hanging of bearing top to have certain clearance between false post and the ground, can adjust through screw member and set nut, make to hang the post and fix on predetermined height, the location is accurate, and conveniently hang the off-load of hanging the post, overall structure and easy operation improve the efficiency of construction, the convenient dismantlement of false post, repeatedly usable.
According to the installation method of the hanging steel structure, one end of the dummy column is provided with the first connecting plate, the other end of the dummy column is provided with the second connecting plate, one end of the hanging column is provided with the third connecting plate, and the dummy column and the hanging column are connected through the second connecting plate and the third connecting plate.
According to the installation method of the hanging steel structure, the threaded part is an anchor bolt, the first connecting plate is provided with a through hole for the threaded part to pass through, the positioning nut is arranged on the threaded part below the first connecting plate, and the two fixing nuts are arranged on the threaded part above the first connecting plate.
According to the installation method of the hanging steel structure, the cushion block is arranged below the first connecting plate in a cushioning mode, and the threaded piece is not stressed.
According to the installation method of the hanging steel structure provided by the embodiment of the invention, before the dummy column is dismantled, the hanging column is unloaded, and the specific steps are as follows: and taking off the cushion block, then screwing each positioning nut downwards in sequence, and screwing downwards for a preset distance each time until a gap is formed between the first connecting plate and the positioning nut.
According to the installation method of the hanging steel structure, the upper end of the hanging column is fixed by a plurality of guy cables.
According to the installation method of the hanging steel structure, the false column is made of hot rolled H-shaped steel.
According to the installation method of the hanging steel structure provided by the embodiment of the invention, the clearance between the dummy column and the ground of the first floor of the building is not less than 50 mm.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of hoisting a hanging column and a dummy column in place according to an embodiment of the invention;
FIG. 2 is a schematic structural view of the first steel beam being hoisted in place according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of the second steel beam being hoisted in place according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of hoisting a steel truss in place according to an embodiment of the invention;
FIG. 5 is a schematic structural view of an embodiment of the present invention with the dummy post removed;
FIG. 6 is a schematic view of a mounting structure of a dummy post according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a cushion block between the first connecting plate of the false post and the ground according to the embodiment of the present invention;
FIG. 8 is a schematic view of a hanging column and a dummy column according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a dummy pillar according to an embodiment of the present invention;
FIG. 10 is a sectional view of the portion A-A in FIG. 9;
reference numerals: the hanging column 10, the third connecting plate 11, the false column 20, the first connecting plate 21, the second connecting plate 22, the screw 30, the positioning nut 40, the fixing nut 50, the cushion block 60, the first steel beam 70, the second steel beam 80, the steel truss 90 and the ground 100.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an embodiment of the present invention provides an installation method for a hanging steel structure, where the hanging steel structure includes hanging columns 10, in this embodiment, a building is a three-layer structure, a middle portion of a first layer is arranged in an overhead manner, the hanging columns 10 are hung on a second layer and a third layer, and the specific installation steps of the hanging columns 10 are as follows:
s1, referring to fig. 9 and 10, designing and manufacturing a dummy column 20, wherein the dummy column 20 is used for connecting the hanging column 10, the dummy column 20 is made of hot-rolled H-shaped steel, one end of the dummy column 20 is welded with a first connecting plate 21, the other end is welded with a second connecting plate 22, and the first connecting plate 21 and the second connecting plate 22 are both provided with a plurality of through holes.
And S2, arranging a threaded part 30 for adjusting the height of the dummy column 20 and the hanging column 10 on the ground 100 of the first-floor building, wherein the threaded part 30 is provided with external threads, specifically, the threaded part 30 adopts an anchor bolt, and the anchor bolt is installed and fixed by adopting a sizing sleeve frame method before the concrete of the first floor of the building is poured.
S3, referring to FIG. 8, welding a third connecting plate 11 at one end of a hanging column 10, arranging a plurality of through holes on the third connecting plate 11, connecting a dummy column 20 and the hanging column 10 with the third connecting plate 11 through a second connecting plate 22, wherein the second connecting plate 22 corresponds to the through holes on the third connecting plate 11, penetrating the through holes by bolts, and tightening and fixing by nuts.
S4, referring to fig. 1 and 6, a positioning nut 40 is installed on the screw 30, the positioning nut 40 is matched with the screw 30, the dummy column 20 and the hanging column 10 are hoisted in place, the dummy column 20 faces downward, the length of the dummy column 20 is smaller than the height of the first floor of the building, so that a gap is formed between the dummy column 20 and the ground 100 of the first floor of the building, the screw 30 and the positioning nut 40 are fixed on the ground 100 below the dummy column 20, a through hole for the screw 30 to pass through is formed in the first connecting plate 21, the positioning nut 40 is arranged below the first connecting plate 21 on the screw 30, the positioning nut 40 abuts against the first connecting plate 21, and the position of the positioning nut 40 on the screw 30 is adjusted to adjust the gap between the dummy column 20 and the ground 100, so that the hanging column 10 is positioned at a predetermined height, and the hanging column 10 is positioned in the height direction. Specifically, the gap between the dummy post 20 and the ground 100 of the first floor of the building is not less than 50mm to reserve a sufficient gap for adjusting the height of the dummy post 20 and the hanging post 10.
Two fixing nuts 50 are arranged on the screw 30 above the first connecting plate 21, and the fixing nuts 50 are screwed to lock and fix the dummy column 20 and the hanging column 10.
The upper end of the hanging column 10 is fixed by four guy cables, so that the hanging column 10 is prevented from shaking.
S5, referring to fig. 7, the spacer 60 is installed under the first connection plate 21 to prevent the screw 30 from being pressed, thereby improving safety and preventing the screw 30 from being broken. Specifically, wedge-type hardwood may be used for the spacer 60.
S6, referring to fig. 2, installing the first steel beam 70 of the second floor of the building; referring to fig. 3, a second steel beam 80 for the third floor of the building is installed.
S7, referring to FIG. 4, hoisting a large-span steel truss 90 at the top, placing the steel truss 90 above a hanging column 10, and welding the steel truss 90 and the hanging column 10;
and S8, unloading the hanging steel. Since the gap is formed between the dummy column 20 and the ground 100 of the first floor of the building, the hanging steel can be easily unloaded. Specifically, the spacer 60 is removed, and then each of the set nuts 40 is screwed down in sequence, each time by a predetermined distance, specifically about 5mm, until a gap is created between the first connecting plate 21 and the set nut 40. When the first connecting plates 21 of all the dummy columns 20 are separated from the corresponding positioning nuts 40 by gaps, unloading is finished.
S9, referring to FIG. 5, cutting the foundation bolts, and removing the false columns 20 one by one to complete the installation of the hanging steel structure.
The method for installing the hanging steel structure comprises the steps that the hanging column 10 is supported and fixed by arranging the dummy column 20, the dummy column 20 is equivalent to a pillar of the first floor of a building and is used for supporting the hanging column 10 above, a certain gap is reserved between the dummy column 20 and the ground 100, the adjustment can be carried out through the threaded piece 30 and the positioning nut 40, the hanging column 10 is fixed on a preset height, the positioning is accurate, the unloading of the hanging column 10 is facilitated, the whole structure and the operation are simple, and the safety and the high efficiency are achieved. In addition, the false column 20 is convenient to detach and can be repeatedly used, and the construction cost can be reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. The mounting method of the hanging steel structure comprises a hanging column, and is characterized by comprising the following steps:
arranging a false column, wherein the false column is used for connecting the hanging column;
the false column is detachably connected with the hanging column;
hoisting the dummy column and the hanging column in place, wherein the dummy column faces downwards, and the length of the dummy column is smaller than the height of the first floor of the building, so that a gap is formed between the dummy column and the ground of the first floor of the building;
a threaded part and a positioning nut are fixedly arranged on the ground below the false column, the threaded part is provided with an external thread, the positioning nut is matched with the threaded part, and the position of the positioning nut on the threaded part is adjusted to adjust the gap between the false column and the ground so as to enable the hanging column to be at a preset height;
welding the upper steel truss with the hanging column;
and removing the false column.
2. The hanging steel structure installation method of claim 1, wherein: one end of the dummy column is provided with a first connecting plate, the other end of the dummy column is provided with a second connecting plate, one end of the hanging column is provided with a third connecting plate, and the dummy column and the hanging column are connected through the second connecting plate and the third connecting plate.
3. The hanging steel structure installation method of claim 2, wherein: the threaded part is an anchor bolt, a through hole for the threaded part to pass through is formed in the first connecting plate, the positioning nut is arranged below the first connecting plate on the threaded part, and two fixing nuts are arranged above the first connecting plate on the threaded part.
4. The hanging steel structure installation method of claim 3, wherein: and a cushion block is arranged below the first connecting plate in a cushioning mode, so that the threaded part is not stressed.
5. The hanging steel structure installation method according to claim 4, wherein before the dummy column is removed, the hanging column is unloaded, and the specific steps are as follows: and taking off the cushion block, then screwing each positioning nut downwards in sequence, and screwing downwards for a preset distance each time until a gap is formed between the first connecting plate and the positioning nut.
6. The hanging steel structure installation method of claim 3, wherein: the upper end of the hanging column is fixed by a plurality of guy cables.
7. The hanging steel structure installation method of claim 1, wherein: the false column is made of hot rolled H-shaped steel.
8. The hanging steel structure installation method of claim 1, wherein: and the clearance between the false column and the ground of the first floor of the building is not less than 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928640.4A CN112252733A (en) | 2020-09-07 | 2020-09-07 | Method for installing hanging steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928640.4A CN112252733A (en) | 2020-09-07 | 2020-09-07 | Method for installing hanging steel structure |
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| Publication Number | Publication Date |
|---|---|
| CN112252733A true CN112252733A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928640.4A Pending CN112252733A (en) | 2020-09-07 | 2020-09-07 | Method for installing hanging steel structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020148188A1 (en) * | 2001-03-19 | 2002-10-17 | John Rizzotto | Rapid assembly steel framing |
| CN102720371A (en) * | 2012-07-04 | 2012-10-10 | 中国机械工业建设集团有限公司 | Butt joint method for multiple upright posts of steel structure module and temporary butt joint fixing device |
| CN103628680A (en) * | 2013-11-15 | 2014-03-12 | 天津三建建筑工程有限公司 | Construction method for large-area steel structure hanging layer |
| CN204024090U (en) * | 2014-08-04 | 2014-12-17 | 中建八局第四建设有限公司 | A kind of stiffness post is proofreaied and correct assembly |
| CN105780925A (en) * | 2016-04-05 | 2016-07-20 | 中建局钢结构工程有限公司 | Truss-hanging combined system installation construction method |
| CN105839919A (en) * | 2016-03-29 | 2016-08-10 | 中国建筑第二工程局有限公司 | Sectional hoisting construction method for large-span ultrahigh-section steel frame |
-
2020
- 2020-09-07 CN CN202010928640.4A patent/CN112252733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020148188A1 (en) * | 2001-03-19 | 2002-10-17 | John Rizzotto | Rapid assembly steel framing |
| CN102720371A (en) * | 2012-07-04 | 2012-10-10 | 中国机械工业建设集团有限公司 | Butt joint method for multiple upright posts of steel structure module and temporary butt joint fixing device |
| CN103628680A (en) * | 2013-11-15 | 2014-03-12 | 天津三建建筑工程有限公司 | Construction method for large-area steel structure hanging layer |
| CN204024090U (en) * | 2014-08-04 | 2014-12-17 | 中建八局第四建设有限公司 | A kind of stiffness post is proofreaied and correct assembly |
| CN105839919A (en) * | 2016-03-29 | 2016-08-10 | 中国建筑第二工程局有限公司 | Sectional hoisting construction method for large-span ultrahigh-section steel frame |
| CN105780925A (en) * | 2016-04-05 | 2016-07-20 | 中建局钢结构工程有限公司 | Truss-hanging combined system installation construction method |
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Application publication date: 20210122 |