CN112609898A - Assembled steel structure column and construction method thereof - Google Patents
Assembled steel structure column and construction method thereof Download PDFInfo
- Publication number
- CN112609898A CN112609898A CN202011377926.4A CN202011377926A CN112609898A CN 112609898 A CN112609898 A CN 112609898A CN 202011377926 A CN202011377926 A CN 202011377926A CN 112609898 A CN112609898 A CN 112609898A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 201
- 239000010959 steel Substances 0.000 title claims abstract description 201
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 68
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- 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
-
- 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
-
- 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
- E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
-
- 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
- E04B2001/2451—Connections between closed section profiles
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an assembled steel structure column and a construction method thereof, wherein the structure column comprises: the multi-section box type steel column section is vertically and coaxially arranged; and the supporting steel box is connected between two adjacent box-type steel column sections, the top and the bottom of the supporting steel box are respectively followed the circumferential direction of the supporting steel box extends to form a joist flange and a bearing flange, the joist flange and a plurality of supporting plates are connected between the bearing flanges, the supporting plates are arranged at intervals in the circumferential direction of the supporting steel box, and the joist flange, the bearing flange and the supporting plates form an installation space for the steel beam to be inserted and arranged. The invention solves the problem that the assembly requirement is high because the inner partition plate and the batten plate need to be installed by electroslag welding with high precision when the traditional box type steel column is assembled.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembled steel structure column and a construction method thereof.
Background
The fabricated structure has the advantages of standardized construction design, industrialized component production, assembled field construction, integrated structure decoration and informatization of the construction process, and is increasingly applied to the building engineering.
The box-type steel column is generally applied to high-rise, super-high-rise, stadium and other building engineering as a bearing member, the connecting joint part of the box-type steel column and the steel beam is used for ensuring the transmission of force, when the box-type steel column is butted with the steel beam on site, an inner partition plate corresponding to the steel beam is usually welded in the box-type steel column, and an electroslag welding method is adopted for ensuring the continuity of four-side welding seams of the inner partition plate. In order to ensure the quality of electroslag welding, the clamping strip required to be used for electroslag welding needs to be milled flat firstly, then the clamping strip and the inner partition board need to be assembled tightly, and the clamping strip for electroslag welding positioned on the same side of the inner partition board needs to be on the same horizontal plane. Even if the steel column is assembled according to the precision requirement, the welding seam quality of electroslag welding is poor due to external factors of incompetence force during welding electroslag welding, a box-type steel column needs to be planed by a carbon arc gouging plane during repair, cementite is polished completely, then welding is carried out again, the process is complex, certain hidden danger exists in welding work of connecting nodes, working hours are wasted, meanwhile, when the thickness t of the box-type steel column is smaller than or equal to 12mm, the inner stiff plate of the box-type steel column is difficult to weld, when the thickness t of the box-type steel column is larger than or equal to 80mm, an electroslag welding opening is difficult to process, the welding quantity is large, and the welding.
Disclosure of Invention
In order to overcome the defects in the prior art, an assembly type steel structural column and a construction method thereof are provided so as to solve the problem that an inner partition plate and a batten need to be installed by electroslag welding with high precision when a traditional box type steel column is assembled, and the assembly requirement is high.
To achieve the above object, there is provided an assembled steel structural column including:
the multi-section box type steel column section is vertically and coaxially arranged; and
the supporting steel box is connected in adjacent two between the box-shaped steel column section, the top and the bottom of supporting steel box are followed respectively the circumference direction of supporting steel box extends and forms the joist edge of a wing and the bearing edge of a wing, the joist edge of a wing with be connected with the polylith backup pad between the bearing edge of a wing, the polylith the backup pad is followed the circumference direction interval of supporting steel box sets up, the joist edge of a wing the bearing edge of a wing reaches form between the backup pad and supply the girder steel to insert the installation space of establishing.
Further, the size of the cross section of the supporting steel box is adapted to the size of the cross section of the box steel column section.
Further, the supporting steel box and the box-type steel column section are coaxially arranged.
Further, still include the base plate, the bottom box-shaped steel column festival vertical installation in on the base plate.
Further, the support plate is connected to a middle or corner portion of the side surface of the support steel box.
The invention provides a construction method of an assembled steel structure column, which comprises the following steps:
vertically arranging a box-shaped steel column section at an installation station;
and welding and connecting a plurality of supporting steel boxes and a plurality of sections of box type steel column sections on the mounting station, so that the supporting steel boxes and the box type steel column sections are alternately arranged, and the box type steel column sections and the supporting steel boxes are coaxially arranged.
The assembly type steel structure column has the beneficial effects that the support steel box and the box type column joint are relatively independently and respectively prepared, so that the inner partition plate and the batten can be effectively prevented from being welded in the box type column joint by adopting electroslag welding, the manufacturing and assembling requirements of the steel structure column are reduced, and the construction efficiency is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of an assembled steel structural column according to an embodiment of the present invention.
Fig. 2 is a schematic view of a state of mounting a steel beam on the fabricated steel structural column according to the embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic structural view of an assembled steel structural column according to an embodiment of the present invention, and fig. 2 is a schematic structural view of a state in which a steel beam is installed on the assembled steel structural column according to the embodiment of the present invention.
Referring to fig. 1 and 2, the present invention provides an assembled steel structural column, including: a multi-section box type steel column section 1 and a supporting steel box 2.
In the present embodiment, the multi-section box-type steel column sections 1 are vertically and coaxially arranged. The number of the supporting steel boxes 2 can be one; it can be a plurality of supporting steel boxes, namely as shown in figure 1. The supporting steel box 2 is connected between two adjacent box-type steel column sections 1. Wherein the top of the supporting steel box 2 extends in the circumferential direction of the supporting steel box 2 to form a joist flange 21. The bottom of the supporting steel box 2 extends in the circumferential direction of the supporting steel box 2 forming a supporting flange 22.
A plurality of support plates 23 are connected between the joist flange 21 and the support flange 22. A plurality of support plates 23 are provided at intervals in the circumferential direction of the support steel box 2.
And an installation space for the steel beam 4 to be inserted is formed among the joist flange, the bearing flange and the supporting plate. The steel beam is welded with the joist flange, the bearing flange and the supporting plate.
The assembled steel structure column is prepared by relatively independently supporting the steel box and the box-type column joint respectively, so that an inner partition plate and a batten are effectively prevented from being welded in the box-type column joint by adopting electroslag welding, the manufacturing and assembling requirements of the steel structure column are reduced, and the construction efficiency is improved.
In this embodiment, the box-type steel section 1 includes four steel side panels connected end to end. The four steel side plates are welded to form the box-type steel column section.
As a preferred embodiment, the dimensions of the cross section of the supporting steel box 2 are adapted to the dimensions of the cross section of the box-type steel column section 1. Further, the supporting steel box 2 and the box type steel column section 1 are coaxially arranged.
In this embodiment, the fabricated steel structural column of the present invention comprises a base plate 3, wherein the box-type steel column sections at the bottom of the multiple sections of box-type steel column sections 1 are vertically mounted on the base plate 3.
The support plate 23 is connected to a middle portion or a corner portion of the side surface of the support steel box 2.
In this embodiment, the supporting steel box comprises four steel side plates connected end to end with a steel bottom plate and a steel top plate. And the four steel side plates enclose and weld the formed box-type column. The steel bottom plate and the steel top plate are respectively sealed at the bottom and the top of the box column to form a supporting steel box. The cross section size of the box-type column formed by enclosing the four steel side parts of the supporting steel box is adaptive to the cross section size of the box-type steel column section. The size of the steel bottom plate and the steel top plate is larger than that of the cross section of the box column. The steel bottom plate includes the bottom plate of box column and extends the bearing edge of a wing that forms, and the steel roof plate then includes the roof of box column and extends the joist edge of a wing that forms, so, the size of steel bottom plate and steel roof plate is greater than the size of the cross section of box column.
The invention provides a construction method of an assembled steel structure column, which comprises the following steps:
s1: vertically arranging a box-shaped steel column section 1 on an installation station;
specifically, step S1 includes:
and S11, determining the height of the supporting steel box according to the elevation of the steel beam 4, so that the height of the supporting steel box is matched with the elevation of the steel beam 4.
S12, preparing the multi-section box-type steel column section 1.
Blanking: the steel plate of the box-type steel column section is blanked by adopting a flame cutting machine, and the part plate is blanked by adopting a plasma numerical control machine tool.
Assembling box-type steel column sections: firstly, processing a 45-degree groove on steel plates of box type steel column sections, then assembling the steel plates of the box type steel column sections on a box type assembling machine, reserving a 7mm groove gap between the steel plates of the box type steel column sections, and additionally arranging a base plate on the inner side of the steel plates of the box type steel column sections; the welding adopts carbon dioxide gas shielded welding backing gantry type submerged arc welding filling cover surface welding.
Backing welding parameters of carbon dioxide arc welding: currents 242A-255A; the voltage is 28V-30V; the welding speed is 25 cm/min-33 cm/min; the gas flow is 20L/min, and the diameter of the welding wire is phi 1.2 mm. Welding parameters of submerged arc welding: backing welding: the current is 650A-720A; the voltage is 35V-40V; the welding speed is 30 cm/min-40 cm/min; the diameter of the welding wire is phi 4.8 mm.
S2: a plurality of supporting steel boxes 2 and a plurality of sections of box-type steel column joints 1 are welded on the box-type steel column joints 1 on the installation station, so that the supporting steel boxes 2 and the box-type steel column joints 1 are alternately arranged, and the plurality of sections of box-type steel column joints 1 and the supporting steel boxes 2 are coaxially arranged.
And S21, assembling the supporting steel box.
Specifically, a steel bottom plate for supporting the steel box is mounted at the mounting station. And assembling the steel side plate, the support plate and the steel top plate for supporting the steel box on the steel bottom plate. Assembling the supporting steel box on a steel bottom plate according to the drawing size, wherein a steel top plate, a steel side plate and a supporting plate of the supporting steel box are required to be provided with 45-degree bevels to reserve 5mm gaps before assembly, and a base plate is additionally arranged.
And assembling a steel top plate, a steel side plate and a support plate for supporting the steel box on the lower cover plate. And positioning the support plate on the steel bottom plate according to the positions and the sizes of the steel top plate, the steel side plate and the support plate for supporting the steel box, wherein the support plate, the steel bottom plate, the steel top plate and the steel side plate are required to be provided with 35-degree grooves, and 5mm welding gaps are reserved to ensure full penetration welding of welding seams.
Assembling a steel top plate: according to the drawing, the positioning size of the steel top plate is assembled on the steel side plate.
And after the assembly is completed, welding the welding line of the node part by adopting carbon dioxide gas shielded welding.
And S22, mounting a supporting steel box on the box type steel column section on the mounting station.
And (3) welding the supporting steel box with the top of the box type steel column section, assembling the supporting steel box on the box type steel column section according to the drawing size, and welding the welding seam.
Welding parameters of carbon dioxide arc welding: the welding wire is not a solid welding wire, the diameter of the welding wire is 1.2mm, the welding current is 110A-380A, the welding voltage is 17V-26V, the welding speed is 320 mm/min-550 mm/min, and the gas flow is 10L/min-15L/min; when the welding position is vertical welding, the current is 110A-145A, the welding voltage is 17V-19V, and the welding speed is 320 mm/min-350 mm/min; the gas flow is 10L/min to 13L/min.
The assembly precision is controlled within +/-3 mm.
And according to the design height of the assembled steel structure column, after the supporting steel box is installed, repeating the steps, installing a box type steel column section on the supporting steel box, and installing the supporting steel box on the box type steel column section.
According to the assembled steel structure column, electroslag welding is avoided through the respective assembly of the box type steel column joint and the supporting steel box. The electroslag welding is cancelled in the construction process, so that links of blanking, assembling, milling and the like of an electroslag welding batten are saved; the electroslag welding is cancelled in the construction process, so that time waste, personnel waste, material waste and damage to the steel column body base metal caused by removing the steel column body base metal due to unqualified welding seams of the electroslag welding are avoided.
The box-type steel column joint and the supporting steel box are separately manufactured, so that the process flow line operation is ensured, the assembling efficiency is improved by adopting batch processing, and the assembly type intelligent workshop manufacturing is formed. The manipulator can be used for welding during welding, intelligent welding is realized, and welding efficiency and quality are improved.
The assembly type steel structure column is manufactured according to the national standard strictly during assembly and welding, has strong operability, ensures the feasibility of all welding seams, and ensures the assembly precision and the welding quality.
The assembled steel structure column avoids the problem that the box inner side stiffening plate is difficult to weld due to the fact that the thickness of the box body is smaller and t is smaller than or equal to 12 mm; meanwhile, the problem that electroslag welding craters are difficult to form due to the fact that the wall thickness of the box-type body is too thick and t is larger than or equal to 80mm is solved.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. An assembled steel structural column, comprising:
the multi-section box type steel column section is vertically and coaxially arranged; and
the supporting steel box is connected in adjacent two between the box-shaped steel column section, the top and the bottom of supporting steel box are followed respectively the circumference direction of supporting steel box extends and forms the joist edge of a wing and the bearing edge of a wing, the joist edge of a wing with be connected with the polylith backup pad between the bearing edge of a wing, the polylith the backup pad is followed the circumference direction interval of supporting steel box sets up, the joist edge of a wing the bearing edge of a wing reaches form between the backup pad and supply the girder steel to insert the installation space of establishing.
2. The fabricated steel structural column of claim 1, wherein the dimensions of the cross-section of the supporting steel box are adapted to the dimensions of the cross-section of the box steel column section.
3. An assembled steel structural column according to claim 1, wherein a supporting steel box is provided coaxially with the box-type steel sections.
4. The fabricated steel structural column of claim 1, further comprising a base plate on which the bottom box steel column section is vertically mounted.
5. The fabricated steel structural column of claim 1, wherein the support plate is connected to a middle or corner portion of a side surface of the support steel box.
6. A construction method of an assembled steel structural column according to any one of claims 1 to 5, comprising the steps of:
vertically arranging a box-shaped steel column section at an installation station;
and welding and connecting a plurality of supporting steel boxes and a plurality of sections of box type steel column sections on the mounting station, so that the supporting steel boxes and the box type steel column sections are alternately arranged, and the box type steel column sections and the supporting steel boxes are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377926.4A CN112609898A (en) | 2020-11-30 | 2020-11-30 | Assembled steel structure column and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377926.4A CN112609898A (en) | 2020-11-30 | 2020-11-30 | Assembled steel structure column and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112609898A true CN112609898A (en) | 2021-04-06 |
Family
ID=75228275
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011377926.4A Pending CN112609898A (en) | 2020-11-30 | 2020-11-30 | Assembled steel structure column and construction method thereof |
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| Country | Link |
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| CN (1) | CN112609898A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002201719A (en) * | 2000-12-28 | 2002-07-19 | Kajima Corp | Structure of beam member and joint of beam member and column member |
| CN107190914A (en) * | 2017-06-21 | 2017-09-22 | 长沙三远钢结构有限公司 | Heavy wall insertion node square hollow section steel component box column |
| CN107335903A (en) * | 2017-07-03 | 2017-11-10 | 湖北精工钢结构有限公司 | Cross column turns the preparation method of pipe rod structure and its cross column turns pipe rod structure |
| CN207314532U (en) * | 2017-09-15 | 2018-05-04 | 中铁三局集团建筑安装工程有限公司 | A kind of box column-H-type joist steel frame joint |
| CN108193771A (en) * | 2018-03-20 | 2018-06-22 | 辽宁工程技术大学 | A kind of assembling rectangular steel-tube concrete column-girder steel partition board perforation node |
| US20180245329A1 (en) * | 2017-02-24 | 2018-08-30 | New World China Land Limited | Fabricated structural system and assembling method thereof |
| CN208870184U (en) * | 2018-09-04 | 2019-05-17 | 中冶建筑研究总院有限公司 | A node structure and residential structure system for rigid connection of steel structure beams and columns |
-
2020
- 2020-11-30 CN CN202011377926.4A patent/CN112609898A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002201719A (en) * | 2000-12-28 | 2002-07-19 | Kajima Corp | Structure of beam member and joint of beam member and column member |
| US20180245329A1 (en) * | 2017-02-24 | 2018-08-30 | New World China Land Limited | Fabricated structural system and assembling method thereof |
| CN107190914A (en) * | 2017-06-21 | 2017-09-22 | 长沙三远钢结构有限公司 | Heavy wall insertion node square hollow section steel component box column |
| CN107335903A (en) * | 2017-07-03 | 2017-11-10 | 湖北精工钢结构有限公司 | Cross column turns the preparation method of pipe rod structure and its cross column turns pipe rod structure |
| CN207314532U (en) * | 2017-09-15 | 2018-05-04 | 中铁三局集团建筑安装工程有限公司 | A kind of box column-H-type joist steel frame joint |
| CN108193771A (en) * | 2018-03-20 | 2018-06-22 | 辽宁工程技术大学 | A kind of assembling rectangular steel-tube concrete column-girder steel partition board perforation node |
| CN208870184U (en) * | 2018-09-04 | 2019-05-17 | 中冶建筑研究总院有限公司 | A node structure and residential structure system for rigid connection of steel structure beams and columns |
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