CN108385886A - Grid beams floor construction and construction method - Google Patents
Grid beams floor construction and construction method Download PDFInfo
- Publication number
- CN108385886A CN108385886A CN201810242237.9A CN201810242237A CN108385886A CN 108385886 A CN108385886 A CN 108385886A CN 201810242237 A CN201810242237 A CN 201810242237A CN 108385886 A CN108385886 A CN 108385886A
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- Prior art keywords
- secondary beam
- grid
- plate
- reinforcing bar
- plate face
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Classifications
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/28—Cross-ribbed floors
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Floor Finish (AREA)
Abstract
The present invention relates to a kind of grid beams floor construction and construction method, it is just to have connect with column connected node that, which there are column and girder, girder in each floor panels periphery, it is characterised in that：The inside on each floor panels periphery is equipped with latticed secondary beam, latticed secondary beam and main beam pivot, and latticed secondary beam forms multiple grid cells, the grid plate for casting concrete is provided on each grid cell；Based on grid plate, each floor panels, which are poured, builds up concrete floor.The present invention uses latticed secondary beam bidirectional stress, vertical force of the secondary beam on all edge-beams is impartial, the section of girder can be effectively reduced, steel using amount is reduced up to 30%, reduces project cost, grid beams, grid plate can be made in advance, industrialization degree is high, site operation program is few, and short construction period is easily assembled.
Description
Technical field
The invention belongs to civil engineering assembling type steel structure fields, and in particular to a kind of grid beams floor construction and construction party
Method.
Background technology
《Assembling type steel structure construction technical standard》（Implement on 06 01st, 2017）In the 5.2.18 articles regulation assembled
Floor of steel structure should be met the following requirements：
The high several floors of the optional industrialization degree of floor, 1）Profiled steel sheet combination floor, 2）Steel bar girder floor plates combine
Floor, 3）Precast concrete laminated floor slab, 4）Prestressed hollow slab.In the prior art, the most commonly used is profiled sheet combinations
Floor, since beam and floor are single load bearings, in addition with profiled sheet as floor bottom mould, cause main beam stress it is uneven,
Steel using amount is big, batch production degree is low, building site heavy workload, and project cost is high.
Invention content
The goal of the invention of the present invention is to provide grid beams floor construction and construction method, effectively reduces project cost, add
Fast speed of application.
Based on same inventive concept, there are two independent technical solutions for present invention tool：
1, a kind of grid beams floor construction, it is just to have connect with column connected node that, which there are column and girder, girder in each floor panels periphery,
It is characterized in that：The inside on each floor panels periphery is equipped with latticed secondary beam, latticed secondary beam and main beam pivot, latticed secondary beam
Multiple grid cells are formed, the grid plate for casting concrete is provided on each grid cell；Based on grid plate, often
A floor panels, which are poured, builds up concrete floor.
Further, described latticed secondary beam is groined type beam, and groined type beam is in integral structure, accordingly has 9 grids
Unit；Alternatively, groined type beam is made of 3 mesh tee beams, each mesh tee beam has 3 grid cells.
Further, described grid plate is reinforcing mattress board, and reinforcing mattress board is set on the upper limb of I-shaped secondary beam；Reinforcing bar
Upper layer plate face reinforcing bar is equipped with above web plate, upper layer plate face reinforcing bar is in netted, and upper layer plate face reinforcing bar passes through frame force rib, stud and secondary beam
The top surface of upper limb is fixed；Concreting is carried out based on reinforcing mattress board, upper layer plate face reinforcing bar.
Further, described grid plate by expanded sheet metal and is exempted to tear hard benzene plate open and is formed, and expanded sheet metal is set to I-shaped
On the bottom wing of secondary beam, it is equipped between expanded sheet metal and secondary beam upper limb and exempts to tear hard benzene plate open；Exempt to tear open and is equipped with upper and lower two above hard benzene plate
Laminate face reinforcing bar, plate face reinforcing bar is in netted, wherein upper layer plate face reinforcing bar is solid by the top surface of frame force rib, stud and secondary beam upper limb
Fixed, lower layer's plate face reinforcing bar is connected and fixed with secondary beam upper limb；Based on exempt to tear open hard benzene plate, upper layer plate face reinforcing bar, lower layer's plate face reinforcing bar into
Row concreting.
Further, the mutual connecting node of secondary beam is cydariform node or ordinary node.
2, a kind of construction method of above-mentioned grid beams floor construction, which is characterized in that include the following steps：
Latticed secondary beam is lifted, by latticed secondary beam and periphery main beam pivot；
Waffle slab part is lifted, grid plate is connect with secondary beam；
Plate face reinforcing bar is lifted, upper layer plate face reinforcing bar is connected by the top surface of frame force rib, stud and secondary beam upper limb；
Concreting is carried out based on grid plate, plate face reinforcing bar, forms concrete floor.
Further, described latticed secondary beam is groined type beam, and groined type beam is in integral structure, accordingly has 9 grids
Unit；Alternatively, groined type beam is made of 3 mesh tee beams, each mesh tee beam has 3 grid cells, by 3 mesh tee beams
After lifting in place, seam of the scene between mesh tee beam is welded, and brush fluid sealant.
Further, described grid plate is reinforcing mattress board, reinforcing mattress board is arranged on the upper limb of I-shaped secondary beam, will be upper
Laminate face reinforcing bar is fixed by the top surface of frame force rib, stud and secondary beam upper limb, after the brush junction agent of reinforcing mattress board surface, is mixed
Solidifying soil, which pours, builds up floor.
Further, described grid plate by expanded sheet metal and is exempted to tear hard benzene plate open and is formed, and expanded sheet metal is set to I-shaped
On the bottom wing of shape secondary beam, it is arranged between expanded sheet metal and secondary beam upper limb and exempts to tear hard benzene plate open, upper layer plate face reinforcing bar is passed through into booster
The top surface of muscle, stud and secondary beam upper limb is fixed, and lower layer's plate face reinforcing bar is connected and fixed with secondary beam upper limb, is exempting to tear hard benzene plate surface open
After brush junction agent, concreting is carried out into floor.
The device have the advantages that：
It is just to have connect with column connected node that, which there are column and girder, girder in each floor panels periphery of the present invention, it is characterised in that：Each building
The inside on plate unit periphery is equipped with latticed secondary beam, latticed secondary beam and main beam pivot, and latticed secondary beam forms multiple grid lists
Member is provided with the grid plate for casting concrete on each grid cell；Based on grid plate, each floor panels pour
At concrete floor.The present invention uses grid type secondary beam, and front-rear direction, the left and right directions of secondary beam are connect with main beam pivot（It is double
To stress）, floor supported along four sides is on the top flange plate of groined type grid beams or mesh glyph grid beam, and existing profiled sheet
The frame secondary beam of composite floor（As shown in Fig. 3, Fig. 8）, the front-rear direction of only secondary beam connect with main beam pivot（Its beam and floor
It is single load bearing）.Since secondary beam stress of the invention is more balanced, vertical force of the secondary beam on all edge-beams is impartial, energy
The section of girder is enough effectively reduced, and then reduces steel using amount, project cost is reduced, moreover, grid beams, grid plate can be made in advance
At industrialization degree is high, and site operation program is few, and short construction period is easily assembled.Secondary beam of the present invention is groined type girder construction,
Groined type beam is in integral structure, accordingly has 9 grid cells；Alternatively, groined type beam is made of 3 mesh tee beams, each mesh
Tee beam has 3 grid cells, and after 3 mesh font secondary beam liftings in place, 3 mesh font secondary beams are carried out site welding,
More convenient transport and assembly.
The present invention is that described grid plate is reinforcing mattress board, and reinforcing mattress board is set on the upper limb of I-shaped secondary beam；Reinforcing bar
Upper layer plate face reinforcing bar is equipped with above web plate, upper layer plate face reinforcing bar is in netted, and upper layer plate face reinforcing bar passes through frame force rib, stud and secondary beam
The top surface of upper limb is fixed；Concreting is carried out based on reinforcing mattress board, upper layer plate face reinforcing bar.Alternatively, described grid plate is by steel
Silk screen plate and exempting from tears hard benzene plate composition open, and expanded sheet metal is set on the bottom wing of I-shaped secondary beam, in expanded sheet metal and secondary beam upper limb
Between be equipped with exempt to tear hard benzene plate open；Exempt to tear open and be equipped with upper and lower two layers of plate face reinforcing bar above hard benzene plate, plate face reinforcing bar is in netted, wherein on
Laminate face reinforcing bar is fixed by the top surface of frame force rib, stud and secondary beam upper limb, and lower layer's plate face reinforcing bar is connected and fixed with secondary beam upper limb；
Concreting is carried out based on exempting to tear open hard benzene plate, upper layer plate face reinforcing bar, lower layer's plate face reinforcing bar.When construction, the top surface of grid plate
Plucking is carried out, after brush junction agent, carries out concreting, the structure design of grid plate of the present invention further ensures floor
Pouring quality, and assemble more convenient.
The present invention with《Assembling type steel structure construction technical standard（GB/T51232-2016）》The more common pressure of middle recommendation
Shape steel plate composite floor batch production degree compares, and beneficial effects of the present invention refer to following table：
Description of the drawings
Fig. 1 is the arrangement schematic diagram of grid beams of the present invention；
Fig. 2 is the schematic diagram that grid beams of the present invention are made of 3 mesh tee beams；
Fig. 3 is the girder secondary beam arrangement schematic diagram of existing profiled steel sheet combination floor；
Fig. 4 is sectional view when one grid beams of the embodiment of the present invention use I-steel；
Fig. 5 is sectional view when one grid beams of the embodiment of the present invention use channel steel；
Fig. 6 is sectional view when two grid beams of the embodiment of the present invention use I-steel；
Fig. 7 is sectional view when two grid beams of the embodiment of the present invention use channel steel；
Fig. 8 is the sectional view of existing profiled steel sheet combination floor；
Fig. 9 is the mutual cydariform node schematic diagram of secondary beam of the present invention；
Figure 10 is the mutual ordinary node schematic diagram of secondary beam of the present invention；
Figure 11 is that one secondary beam of the embodiment of the present invention flushes node type connection diagram with girder；
Figure 12 is that one secondary beam of the embodiment of the present invention connects node type connection diagram with girder overlapping；
Figure 13 is that two secondary beam of the embodiment of the present invention flushes node type connection diagram with girder；
Figure 14 is that two secondary beam of the embodiment of the present invention connects node type connection diagram with girder overlapping.
Specific implementation mode
As shown in Figure 1 and Figure 2, it is just to have connect with column connected node that, which there are column and girder, girder in each floor panels periphery, each
The inside on floor panels periphery is equipped with latticed secondary beam, latticed secondary beam and main beam pivot, and latticed secondary beam forms multiple grids
Unit is provided with the grid plate for casting concrete on each grid cell；Based on grid plate, each floor panels are poured
Build up concrete floor.When implementation, latticed secondary beam is groined type beam, and I-shaped steel can be used in integral structure in groined type beam
At accordingly with 9 grid cells；For ease of transporting, assembling, groined type beam is made of 3 mesh tee beams, each mesh tee beam
With 3 grid cells, mesh tee beam can be used channel steel and be made.
Embodiment one：Grid beams add composite floor plate formula
As shown in Figure 4, Figure 5, grid plate is reinforcing mattress board 2, and reinforcing mattress board is set on the upper limb of I-shaped secondary beam 1；Reinforcing bar
2 top of web plate is equipped with upper layer plate face reinforcing bar 3, and upper layer plate face reinforcing bar 3 is in netted, and upper layer plate face reinforcing bar 3 passes through frame force rib, stud 4
It is fixed with the top surface of 1 upper limb of secondary beam；Concreting is carried out based on reinforcing mattress board 2, upper layer plate face reinforcing bar 3, forms floor 8.Net
Seaming position A between panel part, with the fluid sealant cementation of fissures.
As shown in figure 9, the connecting node between secondary beam and secondary beam uses cydariform node.Pillar is used when being distributed using secondary beam
When net, as shown in Figure 10, ordinary node can be used in the connecting node between secondary beam and secondary beam.When implementation, as shown in figure 11, secondary beam
1 can be used with girder 5 and flush node type and connect, and the medial surface of middle girder 5 is equipped with hard styrofoam 9, the side of 1 outer end of secondary beam
Equipped with hard styrofoam 10.As shown in figure 12, secondary beam 1, which with girder 5 can be used overlapping and connect node type, connect, and the side of girder 5 is set
There are hard styrofoam 6, the medial surface of 1 outer end of secondary beam to be equipped with lightweight concrete 7.
In embodiment one, the connector of composite plate flooring grid beams secondary beam and girder preferably selects overlapping connector.To accelerate to install
Speed ensures construction quality, preferably installs the flooring of every layer of whole or more column net flooring after-pouring concrete.Primary-secondary beam connects
When head selects plain adapter, for convenience of installing, preferably by primary and secondary beam splice, composite plate and column joint, there are certain gaps（10 millis
Rice）.
When construction, include the following steps：
Lift the latticed secondary beam of groined type（Weight 1200Kg）, by latticed secondary beam and periphery main beam pivot；
Lift waffle slab part（Weight 800Kg）, grid plate is connect with secondary beam, i.e., the upper of I-shaped secondary beam is arranged in reinforcing mattress board
On the wing.
Lift plate face reinforcing bar（Weight 90Kg）, upper layer plate face reinforcing bar is connected by the top surface of frame force rib, stud and secondary beam upper limb
It connects；
Concreting is carried out based on grid plate, plate face reinforcing bar, forms concrete floor.When implementation, reinforcing mattress board surface brush
After junction agent, concreting is carried out.
Grid beams, grid plate can be made in advance, and industrialization degree is high, and site operation program is few, and short construction period is easy to
Assembly.When making reinforcing mattress board in advance, plucking is carried out in plate face in advance.
When it is implemented, each floor panels use 8.4mX8.4m composite floors, about 8.4 tons of every piece of weight, in processing factory
Interior whole machines（Grid beams, reinforcing mattress board, plate face reinforcing bar）, it is transported to building site, after lifting is in place, is brushed on reinforcing mattress board surface
After junction agent, placing concrete when implementation, pours 60 thickness C50 ordinary reinforced concretes.
For ease of transporting, installing, 2.8mX8.4m " mesh " shaped steel structural can be also processed into processing factory（Grid beams, reinforcing bar
Web plate, plate face reinforcing bar）, about 2.8 tons of every piece of weight is transported to building site, after lifting is in place, weldering secondary beam connecting sewing, and packing sealing, reinforcing bar
After the brush junction agent of web plate surface, placing concrete.
Embodiment two：Grid beams, which add, exempts to tear open hard benzene plate formula
As shown in Figure 6, Figure 7, implement two to differ only in embodiment one, grid plate by expanded sheet metal with exempt to tear hard benzene plate open
Composition, expanded sheet metal 11 are set on the bottom wing of I-shaped secondary beam, are equipped between expanded sheet metal and secondary beam upper limb and are exempted to tear hard benzene open
Plate exempts to tear open hard benzene plate full of the space B between expanded sheet metal and secondary beam upper limb.Exempt to tear open hard benzene plate when processing factory makes, pushes up
Face becomes hard shell with nylon yarn cloth brush coating ramming material, exempts to tear hard benzene plate surface progress wharf's pavement quality open.Exempt to tear open be equipped with above hard benzene plate it is upper,
Lower two layers of plate face reinforcing bar, plate face reinforcing bar is in netted, wherein upper layer plate face reinforcing bar 12 passes through frame force rib, stud and secondary beam upper limb
Top surface is fixed, and lower layer's plate face reinforcing bar 13 is connect with secondary beam upper limb；It will exempt to tear hard benzene plate surface brush junction agent open, placing concrete is real
Shi Shi pours 80 thickness C50 concrete.Concrete is carried out based on exempting to tear open hard benzene plate, upper layer plate face reinforcing bar 12, lower layer's plate face reinforcing bar 13
It pours.Remaining structure and working principle is the same as embodiment one.
In embodiment two, the connector of grid beams and girder preferably selects overlapping to connect node mode, waits for the grid beams in every floor face
After benzene plate combined hanging, installation lower layer, top bars.After flooring or more column net flooring that every layer of whole is preferably installed
Casting concrete.
Now by taking 8.4mX8.4m large column net building structures as an example, corresponding calculating is done to it：Flooring standard live load 2.0KN/ ㎡, ground
Face way standard dead load 0.2 ~ 1.7KN/ ㎡, furred ceiling standard dead load 0 ~ 0.5KN/ ㎡, the present invention with《Assembling type steel structure is built
Build technical standard（GB/T51232-2016）》The more common profiled steel sheet combination floor steel using amount of middle recommendation relatively refers to down
Table：
As can be seen from the above table, compared with prior art, the present invention the present invention can effectively save steel using amount, highest saves steel using amount
Up to 30% or more.
Claims (9)
1. a kind of grid beams floor construction, it is just to have connect with column connected node that, which there are column and girder, girder in each floor panels periphery,
It is characterized in that：The inside on each floor panels periphery is equipped with latticed secondary beam, latticed secondary beam and main beam pivot, latticed secondary beam
Multiple grid cells are formed, the grid plate for casting concrete is provided on each grid cell；Based on grid plate, often
A floor panels, which are poured, builds up concrete floor.
2. grid beams floor construction according to claim 1, it is characterised in that：Described latticed secondary beam is groined type beam,
Groined type beam is in integral structure, accordingly has 9 grid cells；Alternatively, groined type beam is made of 3 mesh tee beams, each mesh
Tee beam has 3 grid cells.
3. grid beams floor construction according to claim 2, it is characterised in that：Described grid plate is reinforcing mattress board, steel
Muscle web plate is set on the upper limb of I-shaped secondary beam；Upper layer plate face reinforcing bar is equipped with above reinforcing mattress board, upper layer plate face reinforcing bar is in net
Shape, upper layer plate face reinforcing bar are fixed by the top surface of frame force rib, stud and secondary beam upper limb；Based on reinforcing mattress board, upper layer plate face reinforcing bar
Carry out concreting.
4. grid beams floor construction according to claim 3, it is characterised in that：Described grid plate is by expanded sheet metal and exempts from
Tear hard benzene plate composition open, expanded sheet metal is set on the bottom wing of I-shaped secondary beam, is equipped with and is exempted between expanded sheet metal and secondary beam upper limb
Tear hard benzene plate open；Exempt to tear open and be equipped with upper and lower two layers of plate face reinforcing bar above hard benzene plate, plate face reinforcing bar is in netted, wherein upper layer plate face reinforcing bar
It is fixed by the top surface of frame force rib, stud and secondary beam upper limb, lower layer's plate face reinforcing bar is connected and fixed with secondary beam upper limb；It is hard based on exempting to tear open
Benzene plate, upper layer plate face reinforcing bar, lower layer's plate face reinforcing bar carry out concreting.
5. the grid beams floor construction stated according to claim 4, it is characterised in that：The mutual connecting node of secondary beam is cydariform
Node or ordinary node.
6. a kind of construction method of grid beams floor construction described in claim 1, which is characterized in that include the following steps：
Latticed secondary beam is lifted, by latticed secondary beam and periphery main beam pivot；
Waffle slab part is lifted, grid plate is connect with secondary beam；
Plate face reinforcing bar is lifted, upper layer plate face reinforcing bar is connected by the top surface of frame force rib, stud and secondary beam upper limb；
Concreting is carried out based on grid plate, plate face reinforcing bar, forms concrete floor.
7. construction method according to claim 6, it is characterised in that：Described latticed secondary beam is groined type beam, groined type
Beam is in integral structure, accordingly has 9 grid cells；Alternatively, groined type beam is made of 3 mesh tee beams, each mesh tee beam
With 3 grid cells, after 3 mesh tee beam liftings in place, seam of the scene between mesh tee beam is welded, and is brushed
Fluid sealant.
8. construction method according to claim 7, it is characterised in that：Described grid plate is reinforcing mattress board, by bar-mat reinforcement
Plate is arranged on the upper limb of I-shaped secondary beam, upper layer plate face reinforcing bar is fixed by the top surface of short muscle, stud and secondary beam upper limb, in steel
After the brush junction agent of muscle web plate surface, concreting is carried out into floor.
9. construction method according to claim 7, it is characterised in that：Described grid plate is by expanded sheet metal and exempts to tear hard benzene open
Board group at, expanded sheet metal is set on the bottom wing of I-shaped secondary beam, between expanded sheet metal and secondary beam upper limb setting exempt to tear open hard
Benzene plate fixes upper layer plate face reinforcing bar by the top surface of frame force rib, stud and secondary beam upper limb, will be on lower layer's plate face reinforcing bar and secondary beam
The wing is connected and fixed, and after exempting to tear hard benzene plate surface brush junction agent open, carries out concreting into floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242237.9A CN108385886B (en) | 2018-03-22 | 2018-03-22 | Grid beams floor construction and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242237.9A CN108385886B (en) | 2018-03-22 | 2018-03-22 | Grid beams floor construction and construction method |
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| Publication Number | Publication Date |
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| CN108385886A true CN108385886A (en) | 2018-08-10 |
| CN108385886B CN108385886B (en) | 2019-03-22 |
Family
ID=63068102
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| CN201810242237.9A Active CN108385886B (en) | 2018-03-22 | 2018-03-22 | Grid beams floor construction and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881834A (en) * | 2019-03-18 | 2019-06-14 | 李世骏 | Grid beams add the floor construction and construction method of composite plate |
| CN110130558A (en) * | 2019-06-03 | 2019-08-16 | 上海欧本钢结构有限公司 | Square formed fences system and construction method made of steel secondary beam and truss arranged crosswise |
| CN111910914A (en) * | 2020-08-31 | 2020-11-10 | 中冶京诚工程技术有限公司 | Multi-story high-rise assembled steel structure non-composite floor slab supporting system and construction method thereof |
| CN111962731A (en) * | 2020-04-22 | 2020-11-20 | 李世骏 | Grid beam and bidirectional stressed steel bar truss floor structure and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881834A (en) * | 2019-03-18 | 2019-06-14 | 李世骏 | Grid beams add the floor construction and construction method of composite plate |
| CN110130558A (en) * | 2019-06-03 | 2019-08-16 | 上海欧本钢结构有限公司 | Square formed fences system and construction method made of steel secondary beam and truss arranged crosswise |
| CN111962731A (en) * | 2020-04-22 | 2020-11-20 | 李世骏 | Grid beam and bidirectional stressed steel bar truss floor structure and construction method thereof |
| CN111962731B (en) * | 2020-04-22 | 2021-06-18 | 李世骏 | Grid beam and bidirectional stressed steel bar truss floor structure and construction method thereof |
| CN111910914A (en) * | 2020-08-31 | 2020-11-10 | 中冶京诚工程技术有限公司 | Multi-story high-rise assembled steel structure non-composite floor slab supporting system and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN108385886B (en) | 2019-03-22 |
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