CN107435403B - Steel bar girder composite floor and its construction method - Google Patents
Steel bar girder composite floor and its construction method Download PDFInfo
- Publication number
- CN107435403B CN107435403B CN201710685938.5A CN201710685938A CN107435403B CN 107435403 B CN107435403 B CN 107435403B CN 201710685938 A CN201710685938 A CN 201710685938A CN 107435403 B CN107435403 B CN 107435403B
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- bottom plate
- reinforcing bar
- composite floor
- web member
- steel bar
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6104—Connections for building structures in general of slab-shaped building elements with each other the overlapping ends of the slabs connected together
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of steel bar girder composite floor and its construction methods, including bottom plate, the both ends of its long side are respectively arranged with the first lap buckle and the second lap buckle, and the both ends of the second flanging of the first lap buckle are connect with one end of the first horizontal edge and the second horizontal edge respectively, to form zigzag configuration；Second lap buckle is the concave that Open Side Down；Truss, it is set to bottom plate top, including web member reinforcing bar, wind up reinforcing bar and lower edge reinforcing bar, the setting of web member reinforcing bar indention, and it arranges along base plate long side direction, the reinforcing bar that winds up in the part contacted with web member reinforcing bar group is provided with snap ring, and snap ring is provided with reinforcing bar band in the opposite one end connecting with the reinforcing bar that winds up；Lower edge steel-bar arrangement is above plane；Short side supporting mechanism, is set to the short side edge of bottom plate, and short side supporting mechanism includes cross-brace muscle and longitudinal bracing muscle.It uses special overlap joint buckle structure, enables between floor overlap joint to facilitate close, construction quality has been effectively ensured, has improved construction efficiency.
Description
Technical field
The present invention relates to technical field of building construction, in particular to a kind of steel bar girder composite floor and its construction method.
Background technique
As structural steelwork is largely widely applied in construction projects, factory normalization production and the specialized peace in scene
Dress is also largely applied at the scene of architectural engineering, and the construction speed of architectural engineering is not only accelerated, while being reduced existing
The security risk of field construction, improves construction quality.The construction of floor support plate is always the weight of construction in the past in architectural engineering
Difficult point spends the time more, and security risk is big.Nowadays making constant progress with building construction technology, steel bar girder combination
The appearance and application of floor support plate efficiently solve the problems, such as the related difficult point of floor support plate.This construction method is on girder steel upper berth
It, can be effective if carrying out top bars binding by peg after composite floor, reducing formwork and setting up scaffold two procedures
Guarantee the thickness of floor layer, but still big in the presence of live reinforcing bar binding work amount, long construction period, the low defect of construction efficiency.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of steel bar girder composite floors, using special overlap joint buckle structure, energy
Enough so that overlap joint is convenient and close between floor, construction quality is effectively ensured and has improved construction efficiency.
In order to realize these purposes and other advantages according to the present invention, a kind of steel bar girder composite floor is provided, is wrapped
It includes:
Bottom plate is arranged for rectangle, and the both ends of the long side of the bottom plate are respectively arranged with the first lap buckle and second and take
Buckle, first lap buckle and the second lap buckle are made of spring steel plate；First lap buckle includes the first flanging, the
Two flangings, the first horizontal edge and the second horizontal edge, first horizontal edge and the second horizontal edge are arranged in parallel with the bottom plate, second folding
Side is opposite to be obliquely installed with the bottom plate, the both ends of second flanging respectively with one end of first horizontal edge and described second
One end of horizontal edge connects, and to form zigzag configuration, one end of first flanging is connected to the long side of the bottom plate, and described first
The other end of flanging flips up certain angle, and is connected to the other end of first horizontal edge, and makes second horizontal edge
Height is in the same plane with the bottom plate；Second lap buckle is the concave lap buckle that Open Side Down, described the
Two lap buckles are made of the inclined plate that 1 level board and 2 are symmetrically disposed on the level board two sides, wherein a level board
The one end not connect with the inclined plate be connected to the long side of the bottom plate, and omit height of the level board away from the bottom plate
Less than the height of first horizontal edge away from the bottom plate；
Truss is set to the bottom plate top, and the truss includes web member reinforcing bar, wind up reinforcing bar and lower edge reinforcing bar, institute
The setting of web member reinforcing bar indention is stated, and is arranged along the longitudinal direction of the bottom plate, the web member reinforcing bar is connect with the bottom plate
Tip turned down to the longitudinal direction of the bottom plate, to form the plane parallel with the bottom plate, and the plane and the bottom
Plate is welded to connect；The tip that the web member reinforcing bar is not connect with the bottom plate is oppositely arranged two-by-two, forms a web member reinforcing bar group,
The plane that two web member reinforcing bars in the web member reinforcing bar group are connect with bottom plate is separated by a distance, in the bottom plate short side side
It is supported to isoceles triangle form is formed；It is described wind up reinforcing bar and the bottom plate it is isometric, and be set to two in the web member reinforcing bar group
Between two opposite tips, the reinforcing bar that winds up is provided with snap ring, the snap ring in the part contacted with the web member reinforcing bar group
One end be connected to the lower section of the reinforcing bar that winds up, the snap ring is arranged on the opposite one end connecting with the reinforcing bar that winds up
There is reinforcing bar band；The lower edge reinforcing bar and the bottom plate are isometric, and are set to above the plane, the lower edge reinforcing bar with institute
The part of web member reinforcing bar contact is stated by being welded and fixed；
Short side supporting mechanism is set to the short side edge of the bottom plate, and the short side supporting mechanism includes cross-brace
The short side of muscle and longitudinal bracing muscle, the cross-brace muscle and the bottom plate is arranged in parallel, and the both ends of the cross-brace muscle
It is welded respectively with the both ends of two lower edge reinforcing bars of the web member reinforcing bar group；The longitudinal bracing muscle is vertical with the bottom plate to be set
It sets, and the middle spot welding with the end of the reinforcing bar that winds up and cross-brace muscle respectively of the both ends of the longitudinal bracing muscle.
Preferably, in the steel bar girder composite floor, the short side both ends of the bottom plate are also respectively arranged with first
Lap buckle and the second lap buckle.
Preferably, in the steel bar girder composite floor, the angle between first flanging and bottom plate is 140-
160 °, the angle between the level board and inclined plate is 130-150 °.
Preferably, in the steel bar girder composite floor, the length of first horizontal edge is less than the level board
Length.
Preferably, in the steel bar girder composite floor, height of the level board away from the bottom plate is 4-6cm,
The height of first horizontal edge away from the bottom plate is 5-7cm.
Preferably, in the steel bar girder composite floor, the bottom plate is provided in the junction with the truss
Welding button, the welding button include the first weld part and the second weld part, and first weld part is the setting of inverted L shape,
The lower end of first weld part is fixed on the bottom plate, the tip that upper end is not connect with the bottom plate to the web member reinforcing bar
Extend, second weld part is one to be perpendicularly fixed at vertical baffle on the bottom plate, and the vertical baffle and described the
One weld part is oppositely arranged, so that the plane is placed between first weld part and the second weld part.
Preferably, equal along the base plate long side direction on each bottom plate in the steel bar girder composite floor
3 truss of even laying.
A kind of construction method of steel bar girder composite floor, wherein the following steps are included:
Step 1, steel bar girder composite floor is purchased according to construction plan；
Step 2 is laid with steel bar girder composite floor on girder steel, and guarantees that the first of the steel bar girder composite floor takes
Buckle and the second lap buckle mutually overlap；
Step 3 is directed through every 30cm using penetration peg in the part of steel bar girder composite floor contact
The steel bar girder composite floor plant is welded on girder steel；
Distributing reinforcement is threaded through in the snap ring being parallel to each other by step 4 with the direction vertical with the truss, and on snap ring
The distributing reinforcement is banded on the truss by the reinforcing bar band of connection；
Step 5 installs side mode at steel bar girder combination floor support plate edge；
Step 6, the casting concrete on steel bar girder combination floor support plate.
The present invention is include at least the following beneficial effects:
The present invention on the bottom plate of steel bar girder composite floor by being arranged Z-shaped the first lap buckle and that Open Side Down is recessed
The second lap buckle of font, so that the steel bar girder composite floor is in construction, it is only necessary to by the second overlap joint of one piece of composite floor
It is fastened on first lap buckle of another piece of composite floor, the overlap joint between two pieces of composite floors can be completed, and pass through setting
The height of second lap buckle is slightly less than the height of the first lap buckle, enables to the level board and the first lap buckle of the second lap buckle
The first horizontal edge completely attach to, and then in the casting concrete on the composite floor, the downward pressure energy of concrete is by the
Two lap buckles are pressed down against, so that the second lap buckle squeezes the Z-shaped setting in the first lap buckle, and then realize first
The tight fit of lap buckle and the second lap buckle avoids the generation of the spillage phenomenon of composite floor lap-joint, to guarantee
Construction quality, meanwhile, the setting of the second lap buckle makes so that only need edge fastening that close overlap joint can be realized between composite floor
The laying construction for obtaining composite floor is more convenient, effectively increases construction efficiency.
By setting the plane bent outward for the contact portion of the web member reinforcing bar of truss and bottom plate, so that web member steel
Contact area between muscle and bottom plate is bigger, so that the connection between web member reinforcing bar and bottom plate is more firm.Meanwhile by by abdomen
Bar reinforcing bar is opposite two-by-two to form web member reinforcing bar group, so that each web member reinforcing bar group forms the branch of isoceles triangle form on bottom plate
Support, and then the undertaking power of the truss in vertical direction is effectively increased, reduce deformation, to reduce distress in concrete
The generation of phenomenon, and then improve the stability and quality of entire engineering.
Short side support construction is set by the short side edge in each bottom plate, wherein the cross-brace of short side support construction
Muscle improves the support force of the web member reinforcing bar group horizontally, and the longitudinal bracing muscle of the short side supporting mechanism further increases
Support force of the web member reinforcing bar group in vertical direction, and then further reduce the deformation of the steel bar girder composite floor
Probability, to improve construction quality.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structure chart of steel bar girder composite floor of the present invention；
Fig. 2 is the transverse cross-sectional view of steel bar girder composite floor of the present invention；
Fig. 3 is the longitudinal sectional drawing of steel bar girder composite floor of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figure 1-3, the present invention provides a kind of steel bar girder composite floor, comprising: bottom plate 1 is arranged for rectangle,
The both ends of the long side of the bottom plate 1 are respectively arranged with the first lap buckle 2 and the second lap buckle 3, first lap buckle 2 and second
Lap buckle 3 is made of spring steel plate；First lap buckle 2 includes the first flanging 12, the second flanging 13,14 and of the first horizontal edge
Second horizontal edge 15, first horizontal edge 14 and the second horizontal edge 15 are arranged in parallel with the bottom plate 1, second flanging 13 it is opposite with
The bottom plate 1 is obliquely installed, the both ends of second flanging 13 respectively with one end of first horizontal edge 14 and described second horizontal
The one end on side 15 connects, and to form zigzag configuration, one end of first flanging 12 is connected to the long side of the bottom plate 1, and described the
The other end of one flanging 12 flips up certain angle, and is connected to the other end of first horizontal edge 14, and make described second
The height of horizontal edge 15 and the bottom plate 1 are in the same plane；Second lap buckle 3 is the concave overlap joint that Open Side Down
Button, second lap buckle 3 are made of the inclined plate 17 that 1 level board 16 and 2 piece is symmetrically disposed on 16 two sides of level board,
In one end not connect with the inclined plate 17 of a level board 16 be connected to the long side of the bottom plate 1, and make the water
Plate 16 is slightly less than height of first horizontal edge 14 away from the bottom plate 1 away from the height of the bottom plate 1.
Truss is set to 1 top of bottom plate, and the truss includes web member reinforcing bar 4, wind up reinforcing bar 5 and lower edge reinforcing bar
6,4 indention of the web member reinforcing bar setting, and arrange along the longitudinal direction of the bottom plate 1, the web member reinforcing bar 4 and the bottom
The tip that plate 1 connects is turned down to the longitudinal direction of the bottom plate 1, to form the plane 7 parallel with the bottom plate 1, and it is described flat
Face 7 and the bottom plate 1 are welded to connect；The tip that the web member reinforcing bar 4 is not connect with the bottom plate 1 is oppositely arranged two-by-two, is formed
One web member reinforcing bar group, the plane 7 that two web member reinforcing bars 4 in the web member reinforcing bar group are connect with bottom plate 1 is separated by a distance,
It is supported in the form of in 1 short side direction of bottom plate formation isoceles triangle；It is described wind up reinforcing bar 5 and the bottom plate 1 it is isometric, and be arranged
Between tip facing each other in the web member reinforcing bar group, the reinforcing bar 5 that winds up is in the portion contacted with the web member reinforcing bar group
Set up separately and be equipped with snap ring 8, one end of the snap ring 8 is connected to the lower section of the reinforcing bar 5 that winds up, and the snap ring 8 winds up with described
Reinforcing bar band 9 is provided on opposite one end that reinforcing bar 5 connects；The lower edge reinforcing bar 6 and the bottom plate 1 are isometric, and are set to
7 top of plane, the lower edge reinforcing bar 6 is in the part contacted with the web member reinforcing bar 4 by being welded and fixed.
Short side supporting mechanism is set to the short side edge of the bottom plate 1, and the short side supporting mechanism includes cross-brace
The short side of muscle 10 and longitudinal bracing muscle 11, the cross-brace muscle 10 and the bottom plate 1 is arranged in parallel, and the cross-brace muscle
It is welded respectively with the both ends of two lower edge reinforcing bars 6 of the web member reinforcing bar group at 10 both ends；The longitudinal bracing muscle 11 with it is described
Bottom plate 1 is vertically arranged, and the both ends of the longitudinal bracing muscle 11 respectively with the end of the reinforcing bar 5 that winds up and cross-brace muscle 10
Middle spot welding.
In the above scheme, by the way that wind up reinforcing bar and lower edge reinforcing bar are arranged on web member reinforcing bar, wind up reinforcing bar one side energy
Enough so that the truss structure is more firm, truss is on the other hand made linearly to arrange on the bottom plate longitudinal direction, into
And make steel bar girder composite floor structure in construction more symmetrical, it is conducive to subsequent construction, and stabilized structure.Lower edge steel
Muscle plays further fixed function to the laciniation of the web member reinforcing bar, so that the receiving external force of the truss
Ability is stronger, can effectively reduce deformation, is conducive to improve construction quality.By the way that snap ring and reinforcing bar is arranged in the lower section for the reinforcing bar that winds up
Band so that steel bar girder composite floor be laid with after the completion of, the laying of distributing reinforcement and tie up it is more convenient, improve construction effect
Rate simplifies working procedure, while can be further ensured that the symmetrical configuration being laid between the steel bar girder composite floor, i.e., into
One step improves construction quality.
In one preferred embodiment, the short side both ends of the bottom plate 1 are also respectively arranged with the first lap buckle 2 and the second lap buckle
3。
In the above scheme, it is also provided with the first lap buckle and the second lap buckle by the short side both ends in bottom plate, can made
It is even closer to obtain the connection of the steel bar girder composite floor in the longitudinal direction, and the same of the welding for not influencing peg is arranged in this
When, moreover it is possible to avoid the generation in the spillage phenomenon at the longitudinally connected place of steel bar girder composite floor.
In one preferred embodiment, the angle between first flanging 12 and bottom plate 1 is 140-160 °, the level board 16
Angle between inclined plate 17 is 130-150 °.
In the above scheme, it is verified and is found by many experiments, the angle between the first flanging and bottom plate is 140-160 °
When, the elastic effect of the first lap buckle made of spring steel plate is preferable, and the setting of the gradient combines building convenient for the steel bar girder
The transport of plate, and when the angle between level board and inclined plate is 130-150 °, one side is also conducive to transport, and is hardly damaged, another
Aspect is slightly smaller compared with the angle of the first lap buckle, so that the pressure of concrete makes the first flanging and inclined plate after being laid with concrete
Contact it is even closer, to effectively prevent the generation of spillage phenomenon.
In one preferred embodiment, the length of first horizontal edge 14 is less than the length of the level board 16.
In the above scheme, the length for being less than level board by limiting the length of the first horizontal edge, so that in the first lap buckle
With the second lap buckle when concrete crimps generation elastic deformation, the steel bar girder composite floor will not be made due to external force
It is subjected to displacement to two sides, and then the stability that ensure that overlapped, ensure that construction quality.
In one preferred embodiment, height of the level board 16 away from the bottom plate 1 be 4-6cm, first horizontal edge 14 away from
The height of the bottom plate 1 is 5-7cm.
In the above scheme, it is verified and is found by many experiments, by being arranged the height of lap buckle between 4-7cm,
Ensure that good overlap joint effect, the setting of this lap buckle so that the steel bar girder composite floor convenient transportation, and
Low manufacture cost, while the height by limiting the second lap buckle is slightly less than the first lap buckle, so that being connected more between lap buckle
Closely, spillage is avoided.
In one preferred embodiment, the bottom plate 1 is provided with welding button, the welding button packet in the junction with the truss
The first weld part 18 and the second weld part 19 are included, first weld part 18 is the setting of inverted L shape, first weld part
18 lower end is fixed on the bottom plate 1, and the tip that upper end is not connect with the bottom plate 1 to the web member reinforcing bar 4 extends, described
Second weld part 19 is a vertical baffle being perpendicularly fixed on the bottom plate 1, and the vertical baffle and described first welds
Portion 18 is oppositely arranged, so that the plane 7 is placed between first weld part 18 and the second weld part 19.
In the above scheme, by the way that the first weld part and the second weld part that are oppositely arranged is arranged, the first weld part can be incited somebody to action
Plane is first connected between two weld parts, then carries out melting welding by the first weld part to inverted L shape, and will be described
Plane and the second weld part spot welding, can significantly improve the Connected degree between the web member reinforcing bar and bottom plate, while being also avoided that weldering
It wears, influences the quality of the steel bar girder composite floor.
In one preferred embodiment, along uniformly distributed 3 truss of 1 longitudinal direction of bottom plate on each bottom plate 1.
A kind of construction method of steel bar girder composite floor, comprising the following steps:
Step 1, steel bar girder composite floor is purchased according to construction plan；
Step 2 is laid with steel bar girder composite floor on girder steel, and guarantees that the first of the steel bar girder composite floor takes
Buckle and the second lap buckle mutually overlap；
Step 3 is directed through every 30cm using penetration peg in the part of steel bar girder composite floor contact
The steel bar girder composite floor plant is welded on girder steel；
Distributing reinforcement is threaded through in the snap ring being parallel to each other by step 4 with the direction vertical with the truss, and on snap ring
The distributing reinforcement is banded on the truss by the reinforcing bar band of connection；
Step 5 installs side mode at steel bar girder combination floor support plate edge；
Step 6, the casting concrete on steel bar girder combination floor support plate.
In the above scheme, steel bar girder construction technology effective solution construction site large area high-formwork construction, section
Template, scaffolding work have been saved, the reinforcing bar binding amount at the scene of reducing, while cooperating steel bar girder composite floor of the present invention
The snap ring and reinforcing bar band of upper setting, effectively reduce wearing and fixing for distributing reinforcement, accelerate the reinforcing bar binding speed of floor, add
The fast construction speed of integrated engineering, meanwhile, effective solution arrangement of bar error is big, protective layer thickness is difficult to control asks
Topic, has saved the duration.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. a kind of steel bar girder composite floor, wherein include:
Bottom plate is arranged for rectangle, and the both ends of the long side of the bottom plate are respectively arranged with the first lap buckle and the second lap buckle,
First lap buckle and the second lap buckle are made of spring steel plate；First lap buckle includes the first flanging, the second folding
Side, the first horizontal edge and the second horizontal edge, first horizontal edge and the second horizontal edge are arranged in parallel with the bottom plate, the second flanging phase
Be obliquely installed to the bottom plate, the both ends of second flanging respectively with one end of first horizontal edge and second horizontal edge
One end connection, to form zigzag configuration, one end of first flanging is connected to the long side of the bottom plate, first flanging
The other end flip up certain angle, and be connected to the other end of first horizontal edge, and make the height of second horizontal edge
It is in the same plane with the bottom plate；Second lap buckle is the concave lap buckle that Open Side Down, and described second takes
Buckle is made of the inclined plate that 1 level board and 2 are symmetrically disposed on the level board two sides, wherein a level board is not
The one end connecting with the inclined plate is connected to the long side of the bottom plate, and is slightly less than the level board away from the height of the bottom plate
The height of first horizontal edge away from the bottom plate；Angle between first flanging and bottom plate is 140-160 °, the level
Angle between plate and inclined plate is 130-150 °；
Truss is set to the bottom plate top, and the truss includes web member reinforcing bar, wind up reinforcing bar and lower edge reinforcing bar, the abdomen
The setting of bar reinforcing bar indention, and arrange along the longitudinal direction of the bottom plate, the point that the web member reinforcing bar is connect with the bottom plate
It holds to the longitudinal direction of the bottom plate and turns down, to form the plane parallel with the bottom plate, and the plane and the bottom plate weld
It connects in succession；The tip that the web member reinforcing bar is not connect with the bottom plate is oppositely arranged two-by-two, forms a web member reinforcing bar group, described
The plane that two web member reinforcing bars in web member reinforcing bar group are connect with bottom plate is separated by a distance, in the bottom plate short side direction shape
It is supported at isoceles triangle form；It is described wind up reinforcing bar and the bottom plate it is isometric, and be set to two two-phases in the web member reinforcing bar group
Pair tip between, the reinforcing bar that winds up is provided with snap ring in the part contacted with the web member reinforcing bar group, the one of the snap ring
End is connected to the lower section of the reinforcing bar that winds up, and the snap ring is provided with steel on the opposite one end connecting with the reinforcing bar that winds up
Muscle band；The lower edge reinforcing bar and the bottom plate are isometric, and are set to above the plane, the lower edge reinforcing bar with the abdomen
The part of bar reinforcing bar contact is by being welded and fixed；
Short side supporting mechanism, is set to the short side edge of the bottom plate, the short side supporting mechanism include cross-brace muscle and
The short side of longitudinal bracing muscle, the cross-brace muscle and the bottom plate is arranged in parallel, and the both ends difference of the cross-brace muscle
It is welded with the both ends of two lower edge reinforcing bars of the web member reinforcing bar group；The longitudinal bracing muscle is vertically arranged with the bottom plate, and
The middle spot welding with the end of the reinforcing bar that winds up and cross-brace muscle respectively of the both ends of the longitudinal bracing muscle；
In addition, the bottom plate is provided with welding button in the junction with the truss, welding button include the first weld part with
Second weld part, first weld part are the setting of inverted L shape, and the lower end of first weld part is fixed on the bottom plate
On, the tip that upper end is not connect with the bottom plate to the web member reinforcing bar extends, and second weld part is perpendicularly fixed at for one
Vertical baffle on the bottom plate, and the vertical baffle is oppositely arranged with first weld part, so that the plane accommodates
Between first weld part and the second weld part.
2. steel bar girder composite floor as described in claim 1, wherein the short side both ends of the bottom plate are also respectively arranged with
One lap buckle and the second lap buckle.
3. steel bar girder composite floor as described in claim 1, wherein the length of first horizontal edge is less than the level board
Length.
4. steel bar girder composite floor as described in claim 1, wherein height of the level board away from the bottom plate is 4-
6cm, the height of first horizontal edge away from the bottom plate are 5-7cm.
5. steel bar girder composite floor as described in claim 1, wherein along the base plate long side direction on each bottom plate
Uniformly distributed 3 truss.
6. a kind of construction method of steel bar girder composite floor as described in claim 1, wherein the following steps are included:
Step 1, steel bar girder composite floor is purchased according to construction plan；
Step 2 is laid with steel bar girder composite floor on girder steel, and guarantees the first lap buckle of the steel bar girder composite floor
It is mutually overlapped with the second lap buckle；
Step 3, be directed through using penetration peg in the part of steel bar girder composite floor contact every 30cm it is described
The plant of steel bar girder composite floor is welded on girder steel；
Distributing reinforcement is threaded through in the snap ring being parallel to each other with the direction vertical with the truss, and is connected on snap ring by step 4
Reinforcing bar band the distributing reinforcement is banded on the truss；
Step 5 installs side mode at steel bar girder combination floor support plate edge；
Step 6, the casting concrete on steel bar girder combination floor support plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710685938.5A CN107435403B (en) | 2017-08-11 | 2017-08-11 | Steel bar girder composite floor and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710685938.5A CN107435403B (en) | 2017-08-11 | 2017-08-11 | Steel bar girder composite floor and its construction method |
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| CN107435403A CN107435403A (en) | 2017-12-05 |
| CN107435403B true CN107435403B (en) | 2019-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108532809A (en) * | 2018-05-18 | 2018-09-14 | 杭萧钢构股份有限公司 | Steel bar truss floor support plate, steel bar truss floor support plate production method and assembled floor |
| CN108625486A (en) * | 2018-06-04 | 2018-10-09 | 浙江中益建材科技有限公司 | A kind of across frame structure edge support node structure of steel bar girder plate |
| CN112012385B (en) * | 2020-07-29 | 2022-02-11 | 绍兴文理学院 | Waterproof laminated slab and construction method thereof |
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