CN107355037B - Self-supporting steel truss floor slab supporting system of assembled steel structure building and construction method - Google Patents
Self-supporting steel truss floor slab supporting system of assembled steel structure building and construction method Download PDFInfo
- Publication number
- CN107355037B CN107355037B CN201710612412.4A CN201710612412A CN107355037B CN 107355037 B CN107355037 B CN 107355037B CN 201710612412 A CN201710612412 A CN 201710612412A CN 107355037 B CN107355037 B CN 107355037B
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- steel
- fixing
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- steel truss
- truss
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 155
- 239000010959 steel Substances 0.000 title claims abstract description 155
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a self-supporting steel truss floor slab supporting system of an assembled steel structure building; the steel truss comprises a steel truss body and a fixing assembly, wherein two ends of the steel truss body extend into the space between two flanges on one side of a steel beam of the two assembled steel structure buildings, the lower end of a fixing rod of the fixing assembly is welded with a fixing plate, the fixing plate is placed on the flange of the steel beam, and the fixing rod is fixed with the end part of the steel truss body to form a floor slab supporting system. The invention also provides a construction method for building the supporting system, which comprises the following steps: integrally hoisting a plurality of steel trusses between two steel beams of an assembled steel structure building, wherein two ends of each steel truss extend into the space between two flanges of each steel beam, and fixing plates are arranged on the flanges; the lower chords of the adjacent steel trusses are connected into a whole through the connecting rods, so that the supporting system is more stable; the upper ends of all the steel trusses support the templates of the floor slab. The construction method has the advantages of few components, cyclic utilization, low cost, convenient installation and dismantling and high construction speed.
Description
Technical Field
The invention relates to a supporting system in building construction, in particular to a self-supporting steel truss floor supporting system in assembled steel structure building construction.
The invention also relates to a construction method for constructing the self-supporting steel truss floor slab supporting system of the assembled steel structure building.
Background
The fabricated steel structure building is widely applied to the foundation construction engineering, the floor slab structure in the fabricated steel structure building is usually required to be poured, a pouring template is required to be installed before pouring, the existing pouring template is supported by a scaffold, the scaffold is complex in installation procedure, the scaffold is required to be dismantled again after construction, and time and labor are wasted.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembled steel structure building self-supporting steel truss floor supporting system which is simple in structure and convenient to disassemble.
The invention aims to solve the technical problem of providing a construction method for constructing a self-supporting steel truss floor slab supporting system of an assembled steel structure building.
In order to solve the technical problems, the invention provides a self-supporting steel truss floor slab supporting system of an assembled steel structure building;
including steel truss and fixed subassembly, steel truss both ends stretch into respectively between two flanges of one side of the girder steel of two assembled steel structure buildings, and steel truss both ends are on the girder steel flange through fixed subassembly arm respectively, and fixed subassembly includes fixed plate and dead lever, and the dead lever lower extreme is welded with the fixed plate, and the fixed plate is placed on the girder steel flange, and the dead lever is fixed with steel truss tip.
After the structure is adopted, the two sides of the steel truss are fixed by the fixing assembly, the fixing plates of the fixing assembly are placed on the flanges of the steel beam, support is provided for the steel truss, and a supporting system for placing the floor slab pouring template can be formed by means of the steel truss.
The self-supporting steel truss floor supporting system of the fabricated steel structure building does not need a vertical rod, supports the steel truss self and the floor pouring formwork load only by the fixing component, and transmits the formwork load to the structural steel beam.
As the optimization of the self-supporting steel truss floor supporting system of the fabricated steel structure building, the steel truss comprises two end trusses and at least one standard truss, all the standard trusses are sequentially connected through bolts, two sides of all the standard trusses are respectively connected with the end trusses through bolts, and the ends of the two end trusses extend into the space between the upper flange and the lower flange of one side of the steel girder of the fabricated steel structure building; after the structure is adopted, the steel truss is changed into a combined and adjustable structure, and the number of the standard trusses is changed to adapt to the pouring construction of floor slabs with various spans.
As the optimization of the self-supporting steel truss floor supporting system of the fabricated steel structure building, the fixing assembly further comprises two fixing nuts, the outer wall of each fixing rod is provided with threads, after the fixing rods penetrate through the end parts of the steel trusses, the two fixing nuts are respectively in threaded fit with the fixing rods, and the two fixing nuts respectively lean against the upper side and the lower side of the end parts of the steel trusses; after the structure is adopted, the two fixing nuts are matched with the fixing rods, so that the fine adjustment of the height of the steel truss in the direction of the fixing rods is realized, and the height of the steel truss can be flexibly adjusted according to the current construction environment in specific construction.
As the optimization of the self-supporting steel truss floor slab supporting system of the fabricated steel structure building, connecting plates are respectively extended at two ends of a steel truss, a fixing rod of a fixing assembly penetrates through the connecting plates, and two fixing nuts respectively abut against the upper side and the lower side of the connecting plates; after the structure is adopted, the connecting plate is convenient to be matched with the fixing nut.
In order to solve the technical problems, the invention also provides a construction method for constructing the self-supporting steel truss floor slab supporting system of the fabricated steel structure building, which comprises the following steps:
a plurality of steel trusses are hung between two opposite steel beams of an assembled steel structure building, two ends of each steel truss extend into a space between two flanges on one side of each steel beam, a fixing plate is placed on each steel beam flange, and the plurality of steel trusses are arranged at intervals; adjacent steel trusses are connected into a whole through connecting rods, so that a supporting system is more stable; the upper ends of all the steel trusses support the templates of the floor slab.
After the method is adopted, a plurality of steel trusses are arranged between the steel beams at intervals, the upper ends of the steel trusses support the templates of the floor slabs, and the lower chord connecting rods of the steel trusses can increase the stability of the whole supporting system.
The construction method for constructing the self-supporting steel truss floor supporting system of the fabricated steel structure building has the advantages of few adopted components, cyclic utilization, low cost, convenient installation and disassembly and high construction speed.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the self-supporting steel truss floor support system of the fabricated steel structure building.
Fig. 2 is a schematic structural view of an end truss of an embodiment of the self-supporting steel truss floor support system of the fabricated steel structure building.
Fig. 3 is a schematic structural view of a standard truss of an embodiment of the self-supporting steel truss floor support system of the fabricated steel structure building.
Fig. 4 is an enlarged view of the sectional view taken along A-A of fig. 1.
Figure 5 is a top view of an example support system of a construction method of the self-supporting steel truss floor support system of the built-up assembled steel structure building.
Detailed Description
As shown in fig. 1 to 4
The self-supporting steel truss floor supporting system of the fabricated steel structure building comprises a steel truss and two groups of fixing components.
The steel truss comprises two end trusses 11 and a standard truss 12, the end trusses 11 and the standard truss 12 are both of steel frame structures, the shape of the end trusses 11 is a right trapezoid, a connecting plate 13 is outwards extended from a region of the end trusses 11 close to an acute angle of the right trapezoid, the connecting plate 13 is of an angle steel structure, a through hole (the aperture of the through hole is larger than the diameter of a fixing rod 21 and smaller than the outer diameter of a fixing nut 23) is formed in a plate body on one horizontal side of the connecting plate 13, the shape of the standard truss 12 is a rectangle, two ends of the standard truss 12 are fixed with the two end trusses 11 through a plurality of bolt connecting pieces, and the connecting plate 13 of the two end trusses 11 stretches into a space between an upper flange 41 and a lower flange 41 of a steel beam 4 of a steel structure building.
The steel truss both ends are placed on girder steel 4 edge of a wing 41 through fixed subassembly respectively, fixed subassembly includes fixed plate 22, dead lever 21 and two fixation nuts 23, fixed plate 22 is a section rectangular steel sheet, the vertical welding of dead lever 21 is at fixed plate 22 up end, be the T font between dead lever 21 and the fixed plate 22, the dead lever 21 outer wall is equipped with the screw thread, fixed plate 22 is placed on girder steel 4 edge of a wing 41, the through-hole of connecting plate 13 is run through to dead lever 21, two fixation nuts 23 respectively with dead lever 21 screw thread fit and two nuts support respectively and lean on the up and down terminal surfaces of connecting plate 13 horizontal plate body.
As shown in fig. 5
The construction method for constructing the self-supporting steel truss floor supporting system of the assembled steel structure building is specifically described by combining the self-supporting steel truss floor supporting system of the assembled steel structure building, and comprises the following steps:
and a plurality of steel trusses are sequentially hung between two opposite steel beams 4 of the assembled steel structure building, two connecting plates 13 of the steel trusses respectively extend into a space between two flanges 41 on one side of the opposite steel beams 4, two fixing plates 22 are directly placed on the flanges 41 of the steel beams 4, and the plurality of steel trusses are placed in parallel and are arranged at intervals.
The adjacent steel trusses are fixed through three connecting rods 3, and the connecting rods 3 are connected and fixed with the two steel trusses through bolts.
The floor slab supporting system is composed of a steel truss, a fixing assembly, a connecting rod and a steel beam.
The number of the selected standard trusses can be two or more according to the distance between two opposite steel beams of the steel structure building, all the standard trusses are sequentially connected through bolts and are in linear arrangement, and two ends of the connected standard trusses are connected with end trusses through bolts.
In addition, this assembled steel structure building self-supporting steel truss floor braced system can include a steel truss and two sets of fixed subassembly, also can include a plurality of steel trusses and multiunit fixed subassembly (a steel truss corresponds two sets of fixed subassembly), if assembled steel structure building self-supporting steel truss floor braced system includes a plurality of steel trusses and multiunit fixed subassembly, then every steel truss constitutes a strutting arrangement with two sets of fixed subassembly that correspond, this assembled steel structure building self-supporting steel truss floor braced system includes a plurality of strutting arrangement promptly, it is fixed through the connecting rod between a plurality of strutting arrangement, a plurality of strutting arrangement have constituted the braced system of assembled steel structure building floor pouring template.
The foregoing is merely one embodiment of the invention, and it should be noted that variations and modifications could be made by those skilled in the art without departing from the principles of the invention, which would also be considered to fall within the scope of the invention.
Claims (2)
1. An assembled steel construction building self-supporting steel truss floor braced system, characterized by:
the steel truss comprises a steel truss and two groups of fixing components, wherein two ends of the steel truss extend into the space between two flanges on one side of a steel beam of two assembly type steel structure buildings respectively, two ends of the steel truss are placed on the flanges of the steel beam respectively through the fixing components, each fixing component comprises a fixing rod and a fixing plate, the lower ends of the fixing rods are welded with the fixing plates, the fixing plates are placed on the flanges of the steel beam, and the fixing rods are fixed with the ends of the steel truss;
the steel truss comprises two end trusses and at least one standard truss, all the standard trusses are sequentially connected through bolts, two sides of all the standard trusses are respectively connected with the end trusses through bolts, and the ends of the two end trusses extend into the space between the upper flange and the lower flange of one side of the steel beam;
the fixing assembly further comprises two fixing nuts, threads are arranged on the outer wall of the fixing rod, after the fixing rod penetrates through the end part of the steel truss, the two fixing nuts are respectively in threaded fit with the fixing rod, and the two fixing nuts are respectively abutted against the upper side and the lower side of the end part of the steel truss;
connecting plates are respectively extended at two ends of the steel truss, fixing rods of the fixing assembly penetrate through the connecting plates, and two fixing nuts respectively support against the upper side and the lower side of the connecting plates.
2. A construction method for constructing the self-supporting steel truss floor supporting system of the fabricated steel structure building of claim 1, comprising the following steps:
a plurality of steel trusses are hung between two opposite steel beams of an assembled steel structure building, two ends of each steel truss extend into a space between two flanges on one side of each steel beam, a fixing plate is placed on each steel beam flange, and the plurality of steel trusses are arranged at intervals; adjacent steel trusses are connected into a whole through connecting rods, so that a supporting system is more stable; the upper ends of all the steel trusses support the templates of the floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612412.4A CN107355037B (en) | 2017-07-25 | 2017-07-25 | Self-supporting steel truss floor slab supporting system of assembled steel structure building and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612412.4A CN107355037B (en) | 2017-07-25 | 2017-07-25 | Self-supporting steel truss floor slab supporting system of assembled steel structure building and construction method |
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| Publication Number | Publication Date |
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| CN107355037A CN107355037A (en) | 2017-11-17 |
| CN107355037B true CN107355037B (en) | 2023-11-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301546B (en) * | 2018-03-03 | 2020-06-19 | 北京工业大学 | Assembled large-module superposed beam plate structure with plane truss temporary support |
| CN108360723B (en) * | 2018-03-03 | 2020-03-13 | 北京工业大学 | Assembly type large module semi-welded superposed beam plate structure with stereo truss temporary support |
| CN108301545B (en) * | 2018-03-03 | 2020-03-13 | 北京工业大学 | Assembled large-module superposed beam plate structure with three-dimensional truss temporary support |
| CN108222347B (en) * | 2018-03-03 | 2020-08-28 | 北京工业大学 | Assembled large module welding laminated beam slab with plane truss temporary support |
| CN108360721B (en) * | 2018-03-03 | 2020-04-14 | 北京工业大学 | Prefabricated concrete ultra-thin type bidirectional stress assembly type steel bar truss composite floor slab |
| CN108316652A (en) * | 2018-04-10 | 2018-07-24 | 烟台市飞龙钢结构工程有限公司 | Steel construction main building construction bracket and construction method based on the bracket |
| CN111347185A (en) * | 2020-03-07 | 2020-06-30 | 广东韶钢松山股份有限公司 | Dust remover bell mouth reinforcing device and installation method |
| CN114718297A (en) * | 2022-03-31 | 2022-07-08 | 绍兴宝合建筑设计有限公司 | Assembled steel construction floor template support frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006328631A (en) * | 2005-05-23 | 2006-12-07 | Dynamic Design:Kk | Building floor structure system |
| CN103334527B (en) * | 2013-07-06 | 2015-09-02 | 杭州恒达钢构股份有限公司 | Steel work cast-in-situ floor arch camber construction method |
| CN104912321B (en) * | 2015-04-02 | 2017-01-11 | 中国中材国际工程股份有限公司 | Steel truss formwork support structure for suspended structure and installing method of steel truss formwork support structure |
| CN207003765U (en) * | 2017-07-25 | 2018-02-13 | 中城投集团第六工程局有限公司 | Assembling type steel structure builds self-bearing type steel truss form bracing system |
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Effective date of registration: 20231018 Address after: 442000 floor 28, building 6, No. 82, Beijing North Road, Maojian District, Shiyan City, Hubei Province Applicant after: Chuangtuo Holding Group Co.,Ltd. Address before: 4th Floor, No. 3107 Donghai Avenue, Economic Development Zone, Bengbu City, Anhui Province, 233000 Applicant before: THE 6TH ENGINEERING BUREAU OF CCIN CO.,LTD. |
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