CN117005616A - Building structure integrated flexible steel column and installation method thereof - Google Patents
Building structure integrated flexible steel column and installation method thereof Download PDFInfo
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- CN117005616A CN117005616A CN202310998382.0A CN202310998382A CN117005616A CN 117005616 A CN117005616 A CN 117005616A CN 202310998382 A CN202310998382 A CN 202310998382A CN 117005616 A CN117005616 A CN 117005616A
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- truss
- hoisting
- steel column
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 6
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
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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 relates to a building structure integrated flexible steel column and an installation method thereof, and belongs to the technical field of steel structures. The device has the characteristics of compact structure, strong plasticity, high construction precision and quick installation. The upper main structure and the steel column are connected through the rear repair section rod piece, so that force transmission is realized. The whole structure is split into a plurality of hoisting sections, the pre-assembly is completed in a workshop, and the hoisting sections are sequentially installed in place according to the sequence of hoisting sections on site and welded, so that the time for site construction and installation is shortened.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a building structure integrated flexible steel column and an installation method thereof.
Background
The conventional pipe truss support frame adopts a regular quadrangle truss structure as a stress support system in the installation process, and belongs to temporary construction measures. The steel columns with regular cross sections, such as single columns and square columns, have the main function of force transmission, and are often designed in a regular cross section form, so that the modeling requirements on the building structure cannot be met. The pipe truss structure has the characteristics of stable stress performance, good economic effect, attractive appearance and the like, is commonly used for roof projects such as large-scale venues and the like, but is rarely used as a steel column supporting structure.
Disclosure of Invention
The invention mainly solves the defects existing in the prior art, and provides a building structure integrated flexible steel column and an installation method thereof, which have the characteristics of compact structure, strong plasticity, high construction precision and quick installation. The upper main structure and the steel column are connected through the rear repair section rod piece, so that force transmission is realized. The whole structure is split into a plurality of hoisting sections, the pre-assembly is completed in a workshop, and the hoisting sections are sequentially installed in place according to the sequence of hoisting sections on site and welded, so that the time for site construction and installation is shortened.
The technical problems of the invention are mainly solved by the following technical proposal:
the utility model provides a flexible steel column of building structure integration, includes truss I, truss II, truss III and truss IV constitution, truss I and truss II, truss II and truss III, all be equipped with the cast steel spare between truss III and truss IV, between truss IV and truss I, be connected fixedly through the cast steel spare with truss I, truss II, truss III and truss IV upper portion between, truss I, truss II, truss III and truss IV lower extreme all be equipped with the buried part, adopt buried part and concrete structure to be connected fixedly. The steel columns are combined through trusses of different numbers according to different modeling requirements.
Preferably, the steel column formed by the truss I, the truss II, the truss III and the truss IV is divided into 40 hoisting sections, namely sections 1 to 20, and each section is a pair.
Preferably, the upper ends of the truss I, the truss II, the truss III and the truss IV are connected with the upper structure by adopting a supplementing piece.
Preferably, the trusses I, II, III and IV are composed of an upper chord member, a lower chord member and web members, and when the distance between the upper chord member and the lower chord member is relatively close, steel plates are arranged, and the cavity connection of the upper chord member and the lower chord member is realized by adopting the steel plates.
The upper chord member, the lower chord member and the web members are round tubes, and the box-shaped cross section and the H-shaped cross section can be realized according to the compositions of different specifications, so that the box-shaped cross section and the H-shaped cross section are formed into alternative schemes.
The method for installing the flexible steel column integrated with the building structure comprises the following operation steps:
the first step: and the hoisting sections are assembled in a workshop, and 10 hoisting sections are arranged on the truss I, the truss II, the truss III and the truss IV.
When the hoisting section is assembled in a workshop, three local coordinate planes of the three points 1, 6 and 25 in the center endpoints of two adjacent lower chords are taken as the installation horizontal plane of the workshop jig frame, and the positioning coordinate information of the other chord endpoints 7, 13, 14, 19 and 20 and each node is counted by the coordinate system.
And a second step of: the support frame sets up and uninstalls, and correction and temporary fixation when being convenient for the steel column installation set up corresponding temporary support frame along steel column hoist and mount segmentation point, and 24 total groups.
And a third step of: the hoisting sections are assembled on site, the automobile cranes are used for symmetrically hoisting the hoisting sections in sequence from bottom to bottom, when the hoisting sections are hoisted to 200mm above the hoisting sections in place, the machine is stopped stably, and after the lower temporary support frame is adjusted in place, the hoisting sections are temporarily fixed by using short upright posts; the butt joint ends of the upper chord member and the lower chord member are fixedly connected by adopting double clamping plates, and then welding work of the butt joint positions is carried out.
Fourth step: monitoring the construction process, positioning the site butt joint point by using a laser total station, measuring after positioning one truss, measuring after assembling one truss, measuring after installing 4 hoisting sections, and finally rechecking after the whole structure is completed; when the actual measurement space position deviates from the theoretical value greatly, the actual measurement space position should be adjusted in time.
Preferably, the hoisting sections collect workshop assembly coordinate information of each hoisting section through software, and the hoisting sections are assembled on site after being pre-assembled and accepted in the workshop and inspected to be qualified.
Preferably, the installation height of the temporary support frame K is divided into three ways; the first support frame and the second support frame are unloaded and removed before the steel column is installed in place and is not connected with the upper main body; and the third supporting frame is symmetrically dismantled in batches after the upper main body system is installed and the steel column and the upper main body are connected in place.
The invention can achieve the following effects:
compared with the prior art, the flexible steel column with integrated building structure and the mounting method thereof have the characteristics of compact structure, strong plasticity, high construction precision and quick mounting. The upper main structure and the steel column are connected through the rear repair section rod piece, so that force transmission is realized. The whole structure is split into a plurality of hoisting sections, the pre-assembly is completed in a workshop, and the hoisting sections are sequentially installed in place according to the sequence of hoisting sections on site and welded, so that the time for site construction and installation is shortened.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a hoisting segment structure according to the invention.
Fig. 3 is a schematic diagram of the assembled structure of the hoisting section of the present invention.
Fig. 4 is a graph of the coordinates of the splice joints of the hoist segment of the present invention.
Fig. 5 is a schematic view of the position structure of the temporary support frame of the present invention.
Fig. 6 is a schematic structural view of the automobile hoist according to the present invention.
Fig. 7 is a schematic view of the temporary fixation structure of the present invention after being installed in place.
Fig. 8 is a schematic view of the structure of the double splint according to the present invention.
In the figure: truss IA, truss IIB, truss IIIC, truss IVD, embedded part E, repair part F, cast steel part G, steel plate H, short column J, temporary support K and double clamp plate M.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples: as shown in fig. 1-8, the integrated flexible steel column of the building structure comprises a truss IA, a truss IIB, a truss IIIC and a truss IVD, wherein steel castings G are respectively arranged between the truss IA and the truss IIB, between the truss IIB and the truss IIIC, between the truss IIIC and the truss IVD, and between the truss IVD and the truss IA, the truss IIB, the truss IIIC and the upper part of the truss IVD are connected and fixed through the steel castings G, and embedded parts E are arranged at the lower ends of the truss IA, the truss IIB, the truss IIIC and the truss IVD, and are connected and fixed with a concrete structure through the embedded parts E. The upper ends of the truss IA, the truss IIB, the truss IIIC and the truss IVD are connected with the upper structure by adopting a supplementing member F. The truss IA, the truss IIB, the truss IIIC and the truss IVD are all composed of an upper chord member, a lower chord member and web members, when the distance between the upper chord member and the lower chord member is relatively close, a steel plate H is arranged, and the cavity connection of the upper chord member and the lower chord member is realized by adopting the steel plate H.
The method for installing the flexible steel column integrated with the building structure comprises the following operation steps:
the first step: and the hoisting sections are assembled in a workshop, and 10 hoisting sections are arranged on the truss IA, the truss IIB, the truss IIIC and the truss IVD. The hoisting sections collect workshop splicing coordinate information of each hoisting section through software, and the hoisting sections are transported to the site after being pre-spliced and accepted in the workshop, and spliced in the site.
When the hoisting section is assembled in a workshop, three local coordinate planes of the three points 1, 6 and 25 in the center endpoints of two adjacent lower chords are taken as the installation horizontal plane of the workshop jig frame, and the positioning coordinate information of the other chord endpoints 7, 13, 14, 19 and 20 and each node is counted by the coordinate system. And adjusting the height of the tire frame to assemble the chord members and the web members according to the coordinate information.
And a second step of: the support frame sets up and uninstalls, and correction and temporary fixation when being convenient for the steel column installation set up corresponding temporary support frame K along steel column hoist and mount segmentation point, and 24 groups altogether. The installation height of the temporary support frame K is divided into three channels; the first support frame and the second support frame are unloaded and removed before the steel column is installed in place and is not connected with the upper main body; and the third supporting frame is symmetrically dismantled in batches after the upper main body system is installed and the steel column and the upper main body are connected in place.
And a third step of: the hoisting sections are assembled on site, the automobile cranes are used for symmetrically hoisting the hoisting sections in sequence from bottom to bottom, when the hoisting sections are hoisted to 200mm above the hoisting sections in place, the machine is stopped stably, and after the lower temporary support frame K is adjusted in place, the hoisting sections are temporarily fixed by the short upright posts J; the butt joint ends of the upper chord member and the lower chord member are fixedly connected by adopting double clamping plates M, and then welding work of butt joint positions is carried out.
Fourth step: monitoring the construction process, positioning the site butt joint point by using a laser total station, measuring after positioning one truss, measuring after assembling one truss, measuring after installing 4 hoisting sections, and finally rechecking after the whole structure is completed; when the actual measurement space position deviates from the theoretical value greatly, the actual measurement space position should be adjusted in time.
In conclusion, the building structure integrated flexible steel column and the mounting method thereof have the characteristics of compact structure, strong plasticity, high construction precision and quick mounting. The upper main structure and the steel column are connected through the rear repair section rod piece, so that force transmission is realized. The whole structure is split into a plurality of hoisting sections, the pre-assembly is completed in a workshop, and the hoisting sections are sequentially installed in place according to the sequence of hoisting sections on site and welded, so that the time for site construction and installation is shortened.
The above embodiments are merely examples of the present invention, but the present invention is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present invention.
Claims (7)
1. The utility model provides a building structure integration's flexible steel column which characterized in that: including truss I (A), truss II (B), truss III (C) and truss IV (D) constitute, truss I (A) and truss II (B), truss II (B) and truss III (C), all be equipped with between truss III (C) and truss IV (D), all be equipped with between truss IV (D) and truss I (A) and cast steel spare (G), be connected fixedly between truss I (A), truss II (B), truss III (C) and truss IV (D) upper portion through cast steel spare (G), truss I (A), truss II (B), truss III (C) and truss IV (D) lower extreme all be equipped with buried part (E), adopt buried part (E) and concrete structure to be connected fixedly.
2. The building structure integrated flexible steel column of claim 1, wherein: the steel column formed by the truss I (A), the truss II (B), the truss III (C) and the truss IV (D) is divided into 40 hoisting sections, namely sections 1 to 20, and each section is a pair.
3. The building structure integrated flexible steel column of claim 2, wherein: the upper ends of the truss I (A), the truss II (B), the truss III (C) and the truss IV (D) are connected with the upper structure by adopting a compensation rod piece (F).
4. A building structure integrated flexible steel column according to claim 3, wherein: the truss I (A), the truss II (B), the truss III (C) and the truss IV (D) are composed of an upper chord member, a lower chord member and web members, and when the distance between the upper chord member and the lower chord member is relatively short, a steel plate (H) is arranged, and the steel plate (H) is adopted to realize the cavity connection of the upper chord member and the lower chord member.
5. The method for installing a flexible steel column integrated with a building structure according to claim 4, comprising the following operation steps:
the first step: the hoisting sections are assembled in a workshop, and 10 hoisting sections are arranged on the truss I (A), the truss II (B), the truss III (C) and the truss IV (D);
when the hoisting section is assembled in a workshop, three points 1, 6 and 25 in the center endpoints of two adjacent lower chords are taken as the installation horizontal plane of a workshop jig frame, and the positioning coordinate information of other chord endpoints 7, 13, 14, 19 and 20 and each node is counted by the coordinate system;
and a second step of: the support frames are arranged and unloaded, so that correction and temporary fixation during steel column installation are facilitated, corresponding temporary support frames (K) are arranged along steel column hoisting segmentation points, and 24 groups are formed in total;
and a third step of: the hoisting sections are assembled on site, the automobile cranes are used for symmetrically hoisting the hoisting sections in sequence from bottom to bottom, when the hoisting sections are hoisted to 200mm above the hoisting sections in place, the machine is stopped stably, and after the lower temporary support frame (K) is adjusted in place, the hoisting sections are temporarily fixed by using the short upright posts (J); the butt joint ends of the upper chord member and the lower chord member are fixedly connected by adopting double clamping plates (M), and then welding work of butt joint positions is carried out;
fourth step: monitoring the construction process, positioning the site butt joint point by using a laser total station, measuring after positioning one truss, measuring after assembling one truss, measuring after installing 4 hoisting sections, and finally rechecking after the whole structure is completed; when the actual measurement space position deviates from the theoretical value greatly, the actual measurement space position should be adjusted in time.
6. The method of installing a flexible steel column integrated into a building structure according to claim 5, wherein: the hoisting sections collect workshop splicing coordinate information of each hoisting section through software, and the hoisting sections are transported to the site after being pre-spliced and accepted in the workshop, and spliced in the site.
7. The method of installing a flexible steel column integrated into a building structure according to claim 5, wherein: the installation height of the temporary support frame K is divided into three channels; the first support frame and the second support frame are unloaded and removed before the steel column is installed in place and is not connected with the upper main body; and the third supporting frame is symmetrically dismantled in batches after the upper main body system is installed and the steel column and the upper main body are connected in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310998382.0A CN117005616A (en) | 2023-08-09 | 2023-08-09 | Building structure integrated flexible steel column and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310998382.0A CN117005616A (en) | 2023-08-09 | 2023-08-09 | Building structure integrated flexible steel column and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117005616A true CN117005616A (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310998382.0A Pending CN117005616A (en) | 2023-08-09 | 2023-08-09 | Building structure integrated flexible steel column and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117005616A (en) |
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2023
- 2023-08-09 CN CN202310998382.0A patent/CN117005616A/en active Pending
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