CN210767437U - Assembled light floor - Google Patents
Assembled light floor Download PDFInfo
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- CN210767437U CN210767437U CN201921614069.8U CN201921614069U CN210767437U CN 210767437 U CN210767437 U CN 210767437U CN 201921614069 U CN201921614069 U CN 201921614069U CN 210767437 U CN210767437 U CN 210767437U
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- steel beam
- longitudinal steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 192
- 239000010959 steel Substances 0.000 claims abstract description 192
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 239000011796 hollow space material Substances 0.000 claims abstract description 7
- 239000011083 cement mortar Substances 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to an assembled light floor, its characterized in that: including the support skeleton that is located the lower part, this support skeleton includes: the transverse steel beam and the longitudinal steel beam are connected in a cross mode, two side edges of the longitudinal steel beam are respectively provided with an outward extending wing plate, and the lower end of the transverse steel beam is borne on the outward extending wing plates; the prefabricated plate is erected in a hollow space formed by the longitudinal steel beams and the transverse steel beams, and the periphery of the lower end of the prefabricated plate is borne on the outward extending wing plate; the first connecting plate is arranged on the upper end surface of the connecting part of the transverse steel beam and the longitudinal steel beam and is fixedly connected with the transverse steel beam and the longitudinal steel beam respectively, and four sides of the first connecting plate are exposed out of the transverse steel beam and the longitudinal steel beam and are positioned right above the precast slab; and concrete or cement mortar is poured above the precast slabs and the transverse steel beams and the longitudinal beam steel. The utility model has the advantages that: the bolt connection is adopted, any welding process is not needed, the construction is more convenient, and the manufacturing difficulty and the technical requirements of installation are reduced.
Description
Technical Field
The utility model relates to an assembled light floor belongs to the structural engineering field.
Background
In multi-storey and high-rise steel structure houses, profiled steel sheet-common concrete composite floor slabs, steel bar truss floor slabs and the like are mostly adopted at present. These floors have many disadvantages, mainly excessive wet work on site, low degree of assembly, heavy floor self-weight, etc. On one hand, the defects restrict the development of building industrialization and steel structure assembly type buildings, and on the other hand, the seismic performance of the buildings is influenced due to overweight of the floor slabs. In addition, the light composite floor slab of the prior utility model has the cooperative work problem of the prefabricated slab and the light framework structure, and the method for solving the problem is to arrange shear keys on the upper surface or other parts of the framework beam in a welding mode. This method has obvious drawbacks: (1) the problem that the cooperative working mechanism of two materials is complex through a shear key is solved, and the precise design is difficult to realize; (2) the light framework is made of thin materials, the welding shear keys can cause serious damage to the thin-wall framework beam, and the combination effect can be greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, provide an existing sufficient bearing capacity, and construct more convenient, the cooperative work degree of steel skeleton and concrete is higher, the assembled light floor that the degree of safety of floor is higher.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an assembled light floor, its characterized in that: comprises that
A support frame located in the lower portion, the support frame comprising: the steel structure comprises a transverse steel beam and a longitudinal steel beam which are connected in a cross mode, wherein the transverse steel beam is a steel structure body which is hollow inside, is provided with an opening in the middle of the upper end and can be used for placing light aggregate through the opening;
the prefabricated plate is erected in a hollow space defined by the longitudinal steel beam and the transverse steel beam, and two sides of the lower end of the prefabricated plate are borne on the outward-extending wing plate;
the first connecting plate is arranged on the upper end surface of the connecting part of the transverse steel beam and the longitudinal steel beam and is fixedly connected with the transverse steel beam and the longitudinal steel beam respectively, and four sides of the first connecting plate are exposed out of the transverse steel beam and the longitudinal steel beam and are positioned right above the precast slab;
and concrete or cement mortar is poured above the precast slabs and the transverse steel beams and the longitudinal beam steel.
In order to prevent the damage to the framework steel beam caused by the fact that shear keys are arranged on the upper surface or other parts of the framework steel beam in a welding mode, in the scheme, the first connecting plate, the prefabricated plate and the overhanging wing plate are fixedly connected through the matching of a screw rod and a nut.
In this scheme, the vertical girder steel integrated into one piece has overhanging pterygoid lamina or vertical girder steel forms overhanging pterygoid lamina through being connected with the supporting part mutually fixed.
In order to realize that the longitudinal steel beam is integrally formed with the overhanging wing plate, preferably, the cross section of the longitudinal steel beam is in a convex shape, the middle part of the convex part of the longitudinal steel beam is provided with an opening, and the end faces of the steps at two sides adjacent to the convex part on the longitudinal steel beam are correspondingly provided with the overhanging wing plate.
In this scheme, the supporter includes the body and the top of body that fixedly connected mutually with vertical girder steel extend the piece outward, and this extension piece is corresponding for overhanging pterygoid lamina.
Preferably, the body is a connecting seat fixedly connected with the outer wall of the side edge of the longitudinal steel beam.
In order to be connected more firmly with vertical girder steel, the body is the L type connecting seat with vertical girder steel side and bottom outer wall looks fixed connection.
Further, the body is two inside hollows that the L type body symmetry set up the formation, the upper end has the opening, can establish the connecting seat including vertical girder steel cover through the opening simultaneously.
And the upper end surfaces of the longitudinal steel beams between any two adjacent transverse steel beams are also provided with second connecting plates fixedly connected with the longitudinal steel beams, and two ends of each second connecting plate are exposed out of the longitudinal steel beams and are respectively positioned right above the precast slabs.
Compared with the prior art, the utility model has the advantages of:
(1) the transverse steel beams and the longitudinal steel beams are all in an upper opening form, so that the post-cast layer is more tightly combined with the precast slab;
(2) the bolt connection is adopted, any welding process is not needed, the damage of welding to the thin plate can be completely avoided, the construction is more convenient, the manufacturing difficulty and the technical requirement of installation are reduced, and the cooperative working degree of the supporting framework and the concrete is higher;
(3) the upper and lower effective connection of the precast slabs and the supporting frameworks is realized through the screw rods, so that the bearing capacity and the integral rigidity of the floor slab are greatly improved;
(4) and no welding exists between the supporting frameworks, so that the damage to steel members is reduced, the potential safety hazard is reduced, and the integrity and the safety reliability of the floor slab are further improved.
Drawings
Fig. 1 is a schematic perspective view of a concrete pouring process after the prefabricated light floor slab is poured in the embodiment of the present invention;
FIG. 2 is a schematic structural view of a transverse steel beam according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of one of the longitudinal steel beams according to the embodiment of the present invention;
fig. 4 is a schematic structural view of another longitudinal steel beam according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a floor slab assembled using the longitudinal steel beams of FIG. 4;
FIG. 6 is a schematic view of a first support member according to an embodiment of the present invention;
figure 7 is a cross-sectional view of a floor slab assembled using the first support member of figure 6;
FIG. 8 is a schematic view of a second support member according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a floor slab assembled using the support member of FIG. 8;
FIG. 10 is a schematic view of a third support member according to an embodiment of the present invention;
fig. 11 is a sectional view of a floor slab assembled using the supporting member of fig. 10.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in figure 1, the utility model provides an assembled light floor, include
A support frame located in the lower portion, the support frame comprising: a transverse steel beam 2 and a longitudinal steel beam 1 which are connected in a crisscross manner, wherein the transverse steel beam 2 is a steel structure which is hollow inside, has an opening in the middle of the upper end and can be filled with lightweight aggregate 10 through the opening, and the cross section of the transverse steel beam 2 is rectangular as shown in fig. 2; the longitudinal steel beam 1 is a steel structure body which is hollow inside, has an opening in the middle of the upper end, can be simultaneously put in lightweight aggregate 10 through the opening, and has overhanging wing plates 3 on two side edges respectively, and the lower end of the transverse steel beam 2 is borne on the overhanging wing plates 3;
the prefabricated slab 11 is erected in a hollow space formed by the longitudinal steel beam 1 and the transverse steel beam 2, and two sides of the lower end of the prefabricated slab 11 are borne on the outward-extending wing plate 3; in the embodiment, the precast slab 11 can be directly made of ALC and other light slabs, and the size of the precast slab can be flexibly adjusted according to the requirement;
the first connecting plate 4 is arranged on the upper end surface of the connecting part of the transverse steel beam 2 and the longitudinal steel beam 1 and is fixedly connected with the transverse steel beam 2 and the longitudinal steel beam 1 respectively, and four sides of the first connecting plate 4 are exposed out of the transverse steel beam 2 and the longitudinal steel beam 1 and are positioned right above the precast slab 11; in the embodiment, the first connecting plate 4 is fixedly connected with the transverse steel beam 2 and the longitudinal steel beam 1 through bolts 9; ideally, when the transverse steel beam 2 is supported on the overhanging wing plate 3, and the precast slab 11 is erected in the hollow space defined by the longitudinal steel beam 1 and the transverse steel beam 2, the upper ends of the transverse steel beam 2, the longitudinal steel beam 1 and the precast slab 11 are basically flush, and the lower end of the first connecting plate 4 abuts against the upper ends of the transverse steel beam 2, the longitudinal steel beam 1 and the precast slab 11, respectively, as shown in fig. 5, 7, 9 and 11;
and concrete or cement mortar 12 is poured above the precast slabs 11, the transverse steel beams 2 and the longitudinal beam steel 1.
In order to realize the cooperative work of the prefabricated plate 11 and the supporting framework, in the embodiment, the first connecting plate 4, the prefabricated plate 11 and the outward-extending wing plate 3 are fixedly connected through the screw 6 and the nut. Wherein, connecting holes are respectively arranged on the first connecting plate 4, the prefabricated plate 11 and the overhanging wing plate 3, and the connecting aperture arranged on the prefabricated plate 11 is far larger than the diameter of the screw rod, thereby not only improving the convenience of installation, but also transmitting load through friction resistance and avoiding the tension fracture damage of the prefabricated plate. The screw 6 sequentially penetrates through the first connecting plate 4, the prefabricated plate 11 and the outward-extending wing plate 3 from top to bottom or sequentially penetrates through the outward-extending wing plate 3, the prefabricated plate 11 and the first connecting plate 4 from bottom to top and then is in threaded connection with a nut, so that the prefabricated plate 11 is fixedly connected to the longitudinal steel beam 1; the prefabricated plates 11 are erected in the hollow space defined by the supporting framework, four sides of the first connecting plate 4 are exposed out of the transverse steel beams 2 and the longitudinal steel beams 1 and are located right above the prefabricated plates 11, therefore, four vertex areas of the first connecting plate 4 can be respectively fixed by the aid of the screw rods 6 to the prefabricated plates 11 corresponding to the right below and the overhanging wing plates 3, bearing capacity and overall rigidity of the floor are greatly improved, welding is avoided, damage to steel members is reduced, potential safety hazards are reduced, and integrity and safety and reliability of the floor are further improved.
The longitudinal steel beam 1 can be in various different structures, and the longitudinal steel beam 1 can be a steel structure body which is integrally formed with the overhanging wing plate 3 or the longitudinal steel beam 1 is fixedly connected with the supporting piece to form the overhanging wing plate 3.
Specifically, in the present embodiment, the longitudinal steel beam 1 has two different structures as shown in fig. 3 or fig. 4, that is, the two different structures correspond to a first longitudinal steel beam 1-1 or a second longitudinal steel beam 1-2; referring to fig. 3, the first longitudinal steel beam 1-1 and the transverse steel beam 2 have the same shape, the first longitudinal steel beam 1-1 is a steel structure which is hollow inside, rectangular in cross section, provided with an opening in the middle of the upper end and capable of placing lightweight aggregate 10 through the opening, and the first longitudinal steel beam 1-1 needs to be fixedly connected with a support member to form an overhanging wing plate 3; in addition, in order to make the structure of the longitudinal steel beam more stable, as shown in fig. 4, an overhanging wing plate 3 is integrally formed on the second longitudinal steel beam 1-2, the second longitudinal steel beam 1-2 is a steel structure body which is hollow inside and has a convex cross section, an opening is formed in the middle of a protruding portion of the second longitudinal steel beam 1-2, and two step end faces adjacent to the protruding portion on the second longitudinal steel beam 1-2 are corresponding to the overhanging wing plate 3, as shown in fig. 5, during construction, the two step end faces on the second longitudinal steel beam 1-2 are directly used as the overhanging wing plate 3. The above are just some specific structures, and the longitudinal steel beam 1 may be other structures that can achieve the same purpose.
The supporting part structure which can realize the fixed connection with the longitudinal steel beam 1 and form the overhanging wing plate 3 can be various, the supporting part comprises a body fixedly connected with the longitudinal steel beam 1 and an extending piece extending outwards from the top end of the body, and the extending piece is corresponding to the overhanging wing plate 3; in this embodiment, only three types of support members are listed, which are the first support member 8-1, the second support member 8-2, or the third support member 8-3 shown in fig. 6, 8, or 10, respectively.
As shown in fig. 6, the body of the first support member 8-1 is a connecting seat fixedly connected to the outer wall of the side of the longitudinal steel beam 1, and the top end of the connecting seat connected to the side extends outward to form an outward extending wing plate 3; as shown in fig. 7, during construction, the bodies of the two first support members 8-1 are respectively and symmetrically arranged on the outer walls of the two sides of the longitudinal steel beam 1, and the bodies of the first support members 8-1 are fixed on the outer walls of the sides of the longitudinal steel beam 1 through bolts 9, so that the first support members 8-1 and the longitudinal steel beam 1 are fixedly connected to form the overhanging wing plate 3.
In order to make the supporting member and the longitudinal steel beam 1 connected more firmly, as shown in fig. 8, the body of the second supporting member 8-2 is an L-shaped connecting seat fixedly connected with the side edge of the longitudinal steel beam 1 and the outer wall of the bottom, and the top end of the connecting edge fixedly connected with the side edge of the longitudinal steel beam 1 extends outwards to form an outward extending wing plate 3; as shown in fig. 9, during construction, the transverse side and the longitudinal side of the L-shaped connecting base are respectively and fixedly connected with the outer wall of the side edge and the outer wall of the bottom of the longitudinal steel beam 1 through bolts 9, so that the second supporting member 8-2 is fixedly connected with the longitudinal steel beam 1 to form the overhanging wing plate 3.
In order to further enable the supporting member to be connected with the longitudinal steel beam 1 more firmly, as shown in fig. 10, the body of the third supporting member 8-3 is a connecting seat which is formed by two L-shaped bodies which are symmetrically arranged and has a hollow inside, an opening is arranged at the upper end of the connecting seat, the longitudinal steel beam 1 can be sleeved in the connecting seat through the opening, and two sides of the upper end of the connecting seat respectively extend outwards to form an overhanging wing plate 3; as shown in fig. 11, during construction, the longitudinal steel beam 1 is sleeved inside the third supporting member 8-3 through the opening, and the side edge and the bottom of the third supporting member 8-3 are fixedly connected with the longitudinal steel beam 1 through the bolts 9, respectively, and the third supporting member 8-3 is an integrally formed integral structure, so that the structure is more conveniently and more firmly connected with the longitudinal steel beam 1.
In order to further limit the prefabricated slab 11, a second connecting plate 5 fixedly connected with the longitudinal steel beam 1 is further arranged on the upper end surface of the longitudinal steel beam 1 between any two adjacent transverse steel beams 2, and two ends of the second connecting plate 5 are exposed out of the longitudinal steel beam 1 and are respectively positioned right above the prefabricated slab 11. During construction, the screw rods 6 sequentially penetrate through the connecting holes in the second connecting plate 5, the prefabricated plates 11 and the outward-extending wing plate 3 and then are fastened by screwing the screw caps, and the adjacent prefabricated plates 11 are fixedly connected with the longitudinal steel beams 1 through two ends of the second connecting plate 5, so that the prefabricated plates 11 can be effectively prevented from shifting, and the prefabricated plates 11 are more stably fixed on the supporting framework.
The construction method of the fabricated light floor in the embodiment includes the following steps:
step 1, processing and manufacturing a longitudinal steel beam 1, a transverse steel beam 2, a precast slab 11, a first connecting plate 4 and a second connecting plate 5 in a factory, wherein the longitudinal steel beam 1 is manufactured into a steel structure body which is integrally formed with an overhanging wing plate 3 or the longitudinal steel beam 1 and a supporting piece are fixedly connected through bolts to form the overhanging wing plate 3, and any one of the manufacturing methods can be selected; in this embodiment, during construction, the longitudinal steel beam 1 is made into a steel structure of the second longitudinal steel beam 1-2 shown in fig. 4 or the first longitudinal steel beam 1-1 shown in fig. 3, and the first longitudinal steel beam 1-1 and any one of the supporting members shown in fig. 6, 8 and 10 are fixedly connected by bolts 9, and any one of the above methods may be adopted;
and 7, finally, pouring concrete or cement mortar 12 above the precast slabs 11 and the longitudinal steel beams 1 and the transverse steel beams 2, wherein the poured plane needs to be flat, so that the integrally assembled light floor is formed.
Claims (9)
1. An assembled light floor, its characterized in that: comprises that
A support frame located in the lower portion, the support frame comprising: the steel structure comprises a transverse steel beam (2) and a longitudinal steel beam (1) which are connected in a cross mode, wherein the transverse steel beam (2) is a steel structure body which is hollow inside, is provided with an opening in the middle of the upper end and can be used for placing light aggregate (10) through the opening, the longitudinal steel beam (1) is a steel structure body which is hollow inside, is provided with an opening in the middle of the upper end and can be used for placing light aggregate (10) through the opening, two side edges of the longitudinal steel beam are respectively provided with an overhanging wing plate (3), and the lower end of the transverse steel beam (2) is borne on the overhanging wing;
the prefabricated plates (11) are erected in a hollow space formed by the longitudinal steel beams (1) and the transverse steel beams (2), and two sides of the lower ends of the prefabricated plates (11) are borne on the outward-extending wing plates (3);
the first connecting plate (4) is arranged on the upper end surface of the connecting part of the transverse steel beam (2) and the longitudinal steel beam (1) and is fixedly connected with the transverse steel beam (2) and the longitudinal steel beam (1) respectively, and four sides of the first connecting plate (4) are exposed out of the transverse steel beam (2) and the longitudinal steel beam (1) and are positioned right above the precast slab (11);
and concrete or cement mortar (12) is poured above the precast slabs (11), the transverse steel beams (2) and the longitudinal steel beams (1).
2. The fabricated light weight floor of claim 1, wherein: the first connecting plate (4), the prefabricated plate (11) and the outward-extending wing plate (3) are fixedly connected through the matching of the screw rod (6) and the screw cap.
3. The fabricated light weight floor of claim 2, wherein: the longitudinal steel beam (1) is integrally formed with an outward extending wing plate (3) or the longitudinal steel beam (1) is fixedly connected with the supporting piece to form the outward extending wing plate (3).
4. The fabricated light weight floor of claim 3, wherein: the cross section of the longitudinal steel beam (1) is in a convex shape, an opening is formed in the middle of a protruding portion of the longitudinal steel beam (1), and the end faces of steps on two sides, adjacent to the protruding portion, of the longitudinal steel beam (1) are correspondingly provided with outwards extending wing plates (3).
5. The fabricated light weight floor of claim 3, wherein: the supporting piece comprises a body fixedly connected with the longitudinal steel beam (1) and an extending piece extending outwards from the top end of the body, and the extending piece corresponds to an extending wing plate (3).
6. The fabricated light weight floor of claim 5, wherein: the body is a connecting seat fixedly connected with the outer wall of the side edge of the longitudinal steel beam (1).
7. The fabricated light weight floor of claim 5, wherein: the body is the L type connecting seat with vertical girder steel (1) side and bottom outer wall fixed connection.
8. The fabricated light weight floor of claim 5, wherein: the body is the inside cavity that two L type body symmetries set up the formation, the upper end has the opening, can establish the connecting seat including vertical girder steel (1) cover through the opening simultaneously.
9. The fabricated light weight floor of claim 3, wherein: and the upper end surface of the longitudinal steel beam (1) between any two adjacent transverse steel beams (2) is also provided with a second connecting plate (5) fixedly connected with the longitudinal steel beam (1), and two ends of the second connecting plate (5) are exposed out of the longitudinal steel beam (1) and are respectively positioned right above the precast slabs (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614069.8U CN210767437U (en) | 2019-09-25 | 2019-09-25 | Assembled light floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614069.8U CN210767437U (en) | 2019-09-25 | 2019-09-25 | Assembled light floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210767437U true CN210767437U (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614069.8U Withdrawn - After Issue CN210767437U (en) | 2019-09-25 | 2019-09-25 | Assembled light floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210767437U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512784A (en) * | 2019-09-25 | 2019-11-29 | 宁波大学科学技术学院 | A kind of assembled light floor and its construction method |
| CN112746699A (en) * | 2020-12-24 | 2021-05-04 | 北新房屋有限公司 | Hidden beam connecting fitting and assembled flat slab structure |
| CN114722448A (en) * | 2020-12-22 | 2022-07-08 | 宁波大学科学技术学院 | Rigidity determination method for light fabricated composite floor slab and computer readable storage medium |
-
2019
- 2019-09-25 CN CN201921614069.8U patent/CN210767437U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512784A (en) * | 2019-09-25 | 2019-11-29 | 宁波大学科学技术学院 | A kind of assembled light floor and its construction method |
| CN110512784B (en) * | 2019-09-25 | 2024-05-31 | 宁波大学科学技术学院 | Assembled light floor and construction method thereof |
| CN114722448A (en) * | 2020-12-22 | 2022-07-08 | 宁波大学科学技术学院 | Rigidity determination method for light fabricated composite floor slab and computer readable storage medium |
| CN112746699A (en) * | 2020-12-24 | 2021-05-04 | 北新房屋有限公司 | Hidden beam connecting fitting and assembled flat slab structure |
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