CN114059662A - High-low span column-drawing type steel frame and construction method thereof - Google Patents
High-low span column-drawing type steel frame and construction method thereof Download PDFInfo
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- CN114059662A CN114059662A CN202111435437.4A CN202111435437A CN114059662A CN 114059662 A CN114059662 A CN 114059662A CN 202111435437 A CN202111435437 A CN 202111435437A CN 114059662 A CN114059662 A CN 114059662A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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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- 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
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of steel structures, in particular to a high-low span column-drawing type steel frame and a construction method thereof, wherein the method comprises the following steps: arranging members according to the actual steel frame size; drawing the position of a component according to the size of the steel frame, placing the steel component, and adjusting the steel component to be straight; temporarily setting a horizontal line at the bottom of the drawing column, controlling the verticality of the drawing column, and recording the rooting angle of the drawing column on the steel beam; acquiring coordinates of four corner points of the steel member by using a high-precision coordinate acquisition instrument; establishing a three-dimensional coordinate system by using software, and inputting the acquired coordinate points one by one until all the steel members are accurately and correctly installed in a simulation way; simulating the influence range on component installation under the condition of variable, and making corresponding treatment measures; and (4) performing installation by using software simulation data. The invention combines software, fully considers variable factors in the construction process, can ensure the accuracy of column pulling installation of the steel frame, and improves the assembly efficiency.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a high-low span column-drawing type steel frame and a construction method thereof.
Background
The requirement on the installation accuracy of the steel structural member is high, the steel structural member is the biggest characteristic in the field of steel structures, but how to accurately control the accuracy is also a big difficulty in the industry, a large amount of research is carried out on how to control the accuracy over the years, more accurate software and instruments are produced, and the deviation of the on-site installation accuracy can be caused due to slight changes in the on-site actual operation and the computer software operation.
Therefore, it is necessary to provide a steel structure and a construction method which have high accuracy and low installation cost.
Disclosure of Invention
In order to overcome the defects in the prior art, a high-low span column-drawing type steel frame and a construction method thereof are provided.
In order to solve the technical problems, the invention adopts the technical scheme that:
a construction method of a high-low span column-drawing type steel frame comprises the following steps:
s1, selecting a flat position to arrange components according to the actual steel frame size;
s2, drawing the position of the steel member according to the size of the steel frame, placing the steel member, and adjusting the steel member to be straight;
s3, temporarily setting a horizontal line at the bottom of the drawing column, controlling the verticality of the drawing column, and recording the rooting angle of the drawing column on the steel beam;
s4, collecting coordinates of four corner points of the steel member by using a high-precision coordinate collector;
s5, establishing a three-dimensional coordinate system by using software, and inputting the acquired coordinate points one by one until all the steel members are accurately and correctly installed in a simulation way;
s6, simulating the influence range on component installation under the condition of a variable in software, and making corresponding treatment measures;
and S7, installing by using the software simulation data.
In order to ensure the precision of data acquisition, the high-precision coordinate acquisition instrument adopts a total station.
Further, the software employs TEKLA or REVIT.
In order to implement the specific installation on the site, the S7 includes:
s71, positioning and mounting a main steel column, arranging a vertical ladder and a safety rope on the main steel column, and vertically arranging the main steel column on two sides;
s72, hoisting steel beams, wherein the steel beams comprise a left steel beam and a right steel beam, the left steel beam and the right steel beam are formed by assembling multiple sections of variable cross-section H-shaped steel members, the left steel beam and the right steel beam are firstly firmly assembled respectively, and then the steel beams are hoisted;
s73, installing the whole truss;
and S74, rooting the middle part of the steel beam of the drawing column and connecting the steel beam with the upper part.
In order to ensure that the steel frame is installed in place at one time, in S6, 1/1000 deformation of the main steel column and the extraction column of the steel frame is taken into consideration, and the variables are compared, so that the influence on component installation under different variable conditions is fully considered.
In order to realize quick and safe hoisting, in S72, hoisting is performed in a double-crane hoisting manner.
The invention also provides a high-low span column drawing type steel frame, which comprises: the steel column comprises a main steel column, a lower steel beam, an upper steel beam and a drawing column, wherein the lower steel beam and the upper steel beam respectively comprise at least two variable cross-section H-shaped steel members, connecting plates are arranged at two ends of each variable cross-section H-shaped steel member, the connecting plates of adjacent variable cross-section H-shaped steel members are connected through high-strength bolts, a first mounting seat and a second mounting seat are sequentially arranged on the main steel column from bottom to top, the end part of the lower steel beam is connected with the first mounting seat of the main steel column through the high-strength bolts, the end part of the upper steel beam is connected with the second mounting seat of the main steel column through the high-strength bolts, the drawing column is arranged between the lower steel beam and the upper steel beam, and the drawing column is vertically arranged.
Furthermore, the included angle alpha 1 between the drawing column and the lower steel beam is 85-87 degrees, and the included angle alpha 2 between the drawing column and the upper steel beam is 103-105 degrees.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention successfully solves the problem of poor control on the column drawing verticality of the column drawing type steel frame, combines technical software, fully considers variable factors in the construction process, can ensure the installation precision of the column drawing of the steel frame, ensures the one-time installation in place, saves the cost, and has better social benefit and economic benefit.
2. The high-low span column-pulling steel frame can realize the construction of a large-span steel structure, and has simpler structure and lower cost.
Drawings
The following will explain embodiments of the present invention in further detail through the accompanying drawings.
FIG. 1 is a schematic view illustrating the installation of a main steel column according to the present invention;
FIG. 2 is a schematic view of the installation of the steel beam of the present invention;
FIG. 3 is a schematic view of an integrated truss installation;
fig. 4 is a schematic drawing of the installation of the extraction column.
In the figure: 1-main steel column, 11-first mounting seat, 12-second mounting seat, 2-lower steel beam, 21-variable cross-section H-shaped steel member, 22-connecting plate, 3-upper steel beam and 4-extraction column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 4, a high-low span steel frame includes: the steel column comprises a main steel column, a lower steel beam, an upper steel beam and a drawing column, wherein the lower steel beam and the upper steel beam respectively comprise a right cross beam and a right cross beam, the right cross beam and the right cross beam are formed by splicing a plurality of variable cross-section H-shaped steel members, the two variable cross-section H-shaped steel members are adopted in the embodiment, the two ends of each variable cross-section H-shaped steel member are respectively provided with a connecting plate, and the connecting plates of the adjacent variable cross-section H-shaped steel members are reliably connected through high-strength bolts.
The main steel column is provided with a first mounting seat and a second mounting seat from bottom to top in sequence, the end of the lower steel beam is connected with the first mounting seat of the main steel column through a high-strength bolt, the end of the upper steel beam is connected with the second mounting seat of the main steel column through a high-strength bolt, the drawing column is vertically arranged between the lower steel beam and the upper steel beam, an included angle alpha 1 between the drawing column and the lower steel beam is 85-87 degrees, alpha 1 in the embodiment is 86 degrees, an included angle alpha 2 between the drawing column and the upper steel beam is 103-105 degrees, and the included angle alpha 2 between the drawing column and the upper steel beam is 104 degrees.
The high-low span column-pulling type steel frame can realize the construction of a large-span steel structure, and has the advantages of simple structure and lower material cost and installation cost.
Example 2:
as shown in fig. 1 to 4, a construction method of a high-low span column-drawing type steel frame includes the following steps:
s1, selecting a flat ground close to the installation position, and arranging components according to the actual steel frame size;
s2, drawing the position of the steel member according to the size of the steel frame, placing the steel member, and adjusting the steel member to be straight;
s3, temporarily setting a horizontal line at the bottom of the drawing column, controlling the verticality of the drawing column, and recording the rooting angle of the drawing column on the steel beam;
s4, collecting coordinates of four corner points of the steel member by using a total station;
s5, establishing a three-dimensional coordinate system by using TEKLA or REVIT software, and inputting the acquired coordinate points one by one until all steel members are accurately and correctly installed in a simulation way;
s6, simulating the influence range on component installation under the condition of variable in software, taking 1/1000 deformation consideration of the main steel column of the steel frame and the extraction column, comparing the variables, and making corresponding treatment measures;
s7, using software to simulate data for installation,
s71, positioning and mounting the main steel column, wherein a vertical ladder stand and a safety rope are arranged on the main steel column before mounting, so that personnel operation is facilitated, personnel safety is protected, and the main steel column is vertically arranged on two sides;
s72, hoisting steel beams, wherein the steel beams comprise a left steel beam and a right steel beam, the left steel beam and the right steel beam are formed by assembling multi-section variable-section H-shaped steel members, the left steel beam and the right steel beam are firmly assembled respectively, and then are installed in a double-crane hoisting mode, so that the steel beams cannot collide with the members in the hoisting process, and the deformation of the members is avoided;
s73, installing the whole truss;
and S74, rooting the middle part of the steel beam of the drawing column and connecting the steel beam with the upper part.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (8)
1. A construction method of a high-low span column-drawing type steel frame is characterized by comprising the following steps: the method comprises the following steps:
s1, selecting a flat position to arrange components according to the actual steel frame size;
s2, drawing the position of the steel member according to the size of the steel frame, placing the steel member, and adjusting the steel member to be straight;
s3, temporarily setting a horizontal line at the bottom of the drawing column, controlling the verticality of the drawing column, and recording the rooting angle of the drawing column on the steel beam;
s4, collecting coordinates of four corner points of the steel member by using a high-precision coordinate collector;
s5, establishing a three-dimensional coordinate system by using software, and inputting the acquired coordinate points one by one until all the steel members are accurately and correctly installed in a simulation way;
s6, simulating the influence range on component installation under the condition of a variable in software, and making corresponding treatment measures;
and S7, installing by using the software simulation data.
2. The construction method of the high-low span column-drawing type steel frame according to claim 1, characterized in that: and the high-precision coordinate acquisition instrument adopts a total station.
3. The construction method of the high-low span column-drawing type steel frame according to claim 1, characterized in that: the software employs TEKLA or REVIT.
4. The construction method of the high-low span column-drawing type steel frame according to claim 1, characterized in that: the S7 includes:
s71, positioning and mounting a main steel column, arranging a vertical ladder and a safety rope on the main steel column, and vertically arranging the main steel column on two sides;
s72, hoisting steel beams, wherein the steel beams comprise a left steel beam and a right steel beam, the left steel beam and the right steel beam are formed by assembling multiple sections of variable cross-section H-shaped steel members, the left steel beam and the right steel beam are firstly firmly assembled respectively, and then the steel beams are hoisted;
s73, installing the whole truss;
and S74, rooting the middle part of the steel beam of the drawing column and connecting the steel beam with the upper part.
5. The construction method of the high-low span column-drawing type steel frame according to claim 1, characterized in that: in S6, the deformation of the main steel column of the steel frame and the 1/1000 deformation of the extracted column are taken into consideration, and the variables are compared.
6. The construction method of the high-low span column-drawing type steel frame according to claim 4, wherein the construction method comprises the following steps: in the step S72, the hoisting is performed in a double-crane hoisting manner.
7. The utility model provides a column formula steelframe is taken out to height stride which characterized in that: the method comprises the following steps: the steel structure comprises a main steel column (1), a lower steel beam (2), an upper steel beam (3) and a drawing column (4), wherein the lower steel beam (2) and the upper steel beam (3) respectively comprise at least two variable cross-section H-shaped steel members (21), connecting plates (22) are arranged at two ends of each variable cross-section H-shaped steel member (21), the connecting plates (22) of adjacent variable cross-section H-shaped steel members (21) are connected through high-strength bolts, the main steel column (1) is sequentially provided with a first mounting seat (11) and a second mounting seat (12) from bottom to top, the end part of the lower steel beam (2) is connected with the first mounting seat (11) of the main steel column (1) through the high-strength bolts, the end part of the upper steel beam (3) is connected with the second mounting seat (12) of the main steel column (1) through the high-strength bolts, and the drawing column (4) is arranged between the lower steel beam (2) and the upper steel beam (3), the drawing column (4) is vertically arranged.
8. The high-low span column-drawing steel frame of claim 1, which is characterized in that: the included angle alpha 1 between the drawing column (4) and the lower steel beam (2) is 85-87 degrees, and the included angle alpha 2 between the drawing column (4) and the upper steel beam (3) is 103-105 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111435437.4A CN114059662B (en) | 2021-11-29 | 2021-11-29 | High-low span column drawing type steel frame and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111435437.4A CN114059662B (en) | 2021-11-29 | 2021-11-29 | High-low span column drawing type steel frame and construction method thereof |
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| CN114059662A true CN114059662A (en) | 2022-02-18 |
| CN114059662B CN114059662B (en) | 2023-09-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242255A (en) * | 1996-03-07 | 1997-09-16 | Nippon Steel Corp | Built-up column of steel frame made building |
| CN1335439A (en) * | 2000-07-20 | 2002-02-13 | 胡战波 | Prestressed large-span solid portal steel frame and its construction process |
| CN201195947Y (en) * | 2008-05-12 | 2009-02-18 | 中冶成工上海五冶建设有限公司 | Gate type frame of combination type coke oven booth |
| CN105019665A (en) * | 2015-07-20 | 2015-11-04 | 中国二十二冶集团有限公司 | Method for mounting long-span structure beam based on total station |
| CN111794522A (en) * | 2020-06-15 | 2020-10-20 | 中建三局第三建设工程有限责任公司 | Construction method of large-span high-altitude steel structure |
| CN212836958U (en) * | 2020-07-24 | 2021-03-30 | 江苏运能能源科技有限公司 | Transition span steel frame structure for equal-width height span portal steel frame factory building |
-
2021
- 2021-11-29 CN CN202111435437.4A patent/CN114059662B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242255A (en) * | 1996-03-07 | 1997-09-16 | Nippon Steel Corp | Built-up column of steel frame made building |
| CN1335439A (en) * | 2000-07-20 | 2002-02-13 | 胡战波 | Prestressed large-span solid portal steel frame and its construction process |
| CN201195947Y (en) * | 2008-05-12 | 2009-02-18 | 中冶成工上海五冶建设有限公司 | Gate type frame of combination type coke oven booth |
| CN105019665A (en) * | 2015-07-20 | 2015-11-04 | 中国二十二冶集团有限公司 | Method for mounting long-span structure beam based on total station |
| CN111794522A (en) * | 2020-06-15 | 2020-10-20 | 中建三局第三建设工程有限责任公司 | Construction method of large-span high-altitude steel structure |
| CN212836958U (en) * | 2020-07-24 | 2021-03-30 | 江苏运能能源科技有限公司 | Transition span steel frame structure for equal-width height span portal steel frame factory building |
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| CN114059662B (en) | 2023-09-26 |
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