CN211775065U - Steel beam-prestressed concrete combined composite slab - Google Patents
Steel beam-prestressed concrete combined composite slab Download PDFInfo
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- CN211775065U CN211775065U CN201922119925.9U CN201922119925U CN211775065U CN 211775065 U CN211775065 U CN 211775065U CN 201922119925 U CN201922119925 U CN 201922119925U CN 211775065 U CN211775065 U CN 211775065U
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Abstract
The utility model discloses a girder steel-prestressed concrete combined type superimposed sheet relates to the building element field. The combined type laminated slab comprises a steel beam, a prestressed concrete bottom plate, prestressed steel bars and common steel bars; the prestressed reinforcement is vertically arranged with the common reinforcement and is embedded in the prestressed concrete bottom plate; the steel beam is one of equilateral angle steel and a folding steel plate, and the open end of the steel beam is embedded in the prestressed concrete bottom plate. The steel beam and the prestressed concrete bottom plate of the steel beam-prestressed concrete combined composite slab of the utility model are stressed cooperatively, the structural performance is excellent, the bending rigidity of the combined composite slab can be obviously improved, and the engineering suitability is enhanced; meanwhile, the structural performance of the composite slab can be improved, the applicable size of the composite slab can be increased, the corresponding splitting quantity of the member can be reduced, the lifting times of the member can be reduced, and the construction efficiency can be improved.
Description
Technical Field
The utility model relates to an assembly type building element field, concretely relates to girder steel-prestressed concrete combined type superimposed sheet.
Background
Superimposed sheet is important structural component among the assembly type structure, along with the development of assembly type structure, ordinary full prefabricated floor, steel bar truss superimposed sheet bottom plate rigidity is less, appear the crack easily in transporting and hoist and mount process, not only can't satisfy various large-spans, the building demand that anti-seismic performance and wholeness required height, still need set up vertical braces when the installation, influence the efficiency of construction, consequently develop safe and reliable, convenient construction's novel superimposed sheet has become the urgent of affairs.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a girder steel-prestressed concrete combined type superimposed sheet adopts following technical scheme:
a steel beam-prestressed concrete combined laminated slab comprises a steel beam, a prestressed concrete bottom plate, prestressed steel bars and common steel bars; the prestressed reinforcement is vertically arranged with the common reinforcement and is embedded in the prestressed concrete bottom plate; the steel beam is one of equilateral angle steel and a folding steel plate, and the open end of the steel beam is embedded in the prestressed concrete bottom plate.
Preferably, the included angle between the side plate of the folded steel plate and the vertical direction is 15-60 degrees, so that the folded steel plate has enough strength to bear corresponding load after being embedded into the prestressed concrete bottom plate.
Preferably, the adjacent prestressed steel bars are distributed in parallel at equal intervals, and the adjacent common steel bars are distributed in parallel at equal intervals.
Preferably, the prestressed reinforcement is parallel to the steel beam.
Preferably, the prestressed reinforcement and the ordinary reinforcement are fixedly connected to the crossing point by a steel wire.
Preferably, the steel beam side plate is provided with a pouring hole.
Preferably, the pouring hole is one or more of a circle and a polygon.
The steel beam-prestressed concrete combined composite slab of the utility model has the advantages that the steel beam and the prestressed concrete bottom plate are stressed in a coordinated manner, the bending rigidity of the structure is obviously improved, the composite slab can be used for a large-span space, the number of members after the floor is split can be reduced, and the number of times of hoisting the members is reduced, so that the construction efficiency is improved; the prestressed concrete bottom plate is small in thickness, light in weight, convenient to hoist and small in influence on the clearance of a building; the combined composite slab has high integral rigidity, and is not easy to deform and crack under the operations of hoisting, transferring, mounting and the like; the composite slab can also be directly used as a template of the upper post-cast slab, and when the post-cast slab is cast in construction, the composite slab has enough rigidity without additional support and can independently bear the corresponding load action.
Drawings
Fig. 1 is a structural view of a steel beam-prestressed concrete composite slab according to embodiment 1 of the present invention;
fig. 2 is a plan view of a steel beam-prestressed concrete composite slab according to embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a top view of a steel beam-prestressed concrete composite slab according to embodiments 2, 3 and 4 of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
fig. 6 is a plan view of a steel beam-prestressed concrete composite slab according to embodiment 5 of the present invention;
fig. 7 is a sectional view taken along line C-C of fig. 6.
Detailed Description
In order to more fully understand the technical contents of the present invention, the technical solutions of the present invention will be further described and explained below with reference to the accompanying drawings and specific embodiments, but the embodiments of the present invention are not limited thereto.
Example 1:
the steel beam-prestressed concrete combined laminated slab shown in fig. 1-3 comprises a steel beam 2, a prestressed concrete bottom plate 1, prestressed steel bars 3 and common steel bars 4; wherein, the steel beam 2 is equilateral angle steel.
The prestressed steel bars 3 are distributed in parallel at equal intervals and are parallel to the steel beam, the common steel bars 4 are distributed in parallel at equal intervals, the prestressed steel bars 3 and the common steel bars 4 are vertically arranged in the prestressed concrete bottom plate 1, and cross points are fixed through steel wires to form a net-shaped structure and are pre-buried in the prestressed concrete bottom plate 1; the open ends of the equilateral angle steels are pre-buried in the prestressed concrete bottom plate 1, and concrete baffles are arranged on four sides of the prestressed concrete bottom plate 1 in the process of pouring the prestressed concrete bottom plate so as to form the combined composite slab better.
In this embodiment, the side steel sheet of equilateral angle steel is equipped with square pouring hole 5, and the concrete can flow into inside the girder steel when this combination formula superimposed sheet upper portion of being convenient for post-cast plate is pour, is convenient for trapezoidal folded steel sheet pre-buried enough bear bigger effort behind the prestressed concrete bottom plate.
In this embodiment, the equal angle steel can bear a large axial force, the prestressed concrete floor 1 can also bear a large axial force, and after the prestressed concrete floor is poured, the equal angle steel and the prestressed concrete floor 1 are connected to form a common space stress body having a large bending rigidity.
Example 2:
the steel beam-prestressed concrete combined laminated slab shown in fig. 4 and 5 comprises a steel beam 2, a prestressed concrete bottom plate 1, prestressed steel bars 3 and common steel bars 4; wherein, girder steel 2 is the trapezoidal folded steel plate of base open-ended.
A plurality of prestressed reinforcement 3 equidistant parallel distribution to be on a parallel with girder steel 2, a plurality of ordinary reinforcing bar 4 equidistant parallel distribution, prestressed reinforcement 3 arranges in prestressed concrete bottom plate 1 with ordinary reinforcing bar 4 is perpendicular, passes through the steel wire at the crosspoint and fixes, forms network structure, and buries in prestressed concrete bottom plate 1 in advance.
The open ends of the trapezoid folding steel plates are pre-buried in the prestressed concrete bottom plate 1, and concrete baffles are arranged on four sides of the prestressed concrete bottom plate 1 in the process of pouring the prestressed concrete bottom plate so as to be better formed into a combined composite slab.
In the embodiment, the side steel plate of the trapezoidal folded steel plate is provided with the circular pouring hole, so that concrete can flow into the steel beam when the post-pouring plate on the upper part of the combined composite slab is poured; the included angle between the steel plates on the two side edges of the trapezoidal folded steel plate and the vertical direction is alpha, and the alpha is 15-60 degrees, so that the trapezoidal folded steel plate can bear larger acting force after being embedded into the prestressed concrete base plate.
In this embodiment, the trapezoidal folded steel plate can bear a large axial force, the prestressed concrete bottom plate 1 can also bear a large axial force, and after the prestressed concrete bottom plate is poured, the trapezoidal folded steel plate and the prestressed concrete bottom plate 1 are connected to form a common space stress body, so that the trapezoidal folded steel plate has a large bending rigidity.
Example 3:
the steel beam-prestressed concrete combined laminated slab shown in fig. 4 and 5 comprises a steel beam 2, a prestressed concrete bottom plate 1, prestressed steel bars 3 and common steel bars 4; wherein, girder steel 2 is the trapezoidal folded steel plate of base open-ended.
A plurality of 3 equidistant parallel distributions of prestressing steel to be on a parallel with the girder steel, a plurality of 4 equidistant parallel distributions of ordinary reinforcing steel, prestressing steel 3 arranges in prestressed concrete bottom plate 1 with ordinary reinforcing steel 4 is perpendicular, passes through the steel wire at the crosspoint and fixes, forms network structure, and buries in prestressed concrete bottom plate 1 in advance.
The open ends of the trapezoid folding steel plates are pre-buried in the prestressed concrete bottom plate 1, and concrete baffles are arranged on four sides of the prestressed concrete bottom plate 1 in the process of pouring the prestressed concrete bottom plate so as to be better formed into a combined composite slab.
In the embodiment, the side steel plate of the trapezoidal folded steel plate is provided with the circular pouring hole, so that concrete can flow into the steel beam when the post-pouring plate on the upper part of the combined composite slab is poured; the included angle between the steel plates on the two side edges of the trapezoidal folded steel plate and the vertical direction is alpha, and alpha is 15 degrees, so that the trapezoidal folded steel plate can bear larger acting force after being pre-embedded into the prestressed concrete base plate.
In this embodiment, the trapezoidal folded steel plate can bear a large axial force, the prestressed concrete bottom plate 1 can also bear a large axial force, and after the prestressed concrete bottom plate is poured, the trapezoidal folded steel plate and the prestressed concrete bottom plate 1 are connected to form a common space stress body, so that the trapezoidal folded steel plate has a large bending rigidity.
Example 4:
the steel beam-prestressed concrete combined laminated slab shown in fig. 4 and 5 comprises a steel beam 2, a prestressed concrete bottom plate 1, prestressed steel bars 3 and common steel bars 4; wherein, girder steel 2 is the trapezoidal folded steel plate of base open-ended.
A plurality of 3 equidistant parallel distributions of prestressing steel to be on a parallel with the girder steel, a plurality of 4 equidistant parallel distributions of ordinary reinforcing steel, prestressing steel 3 arranges in prestressed concrete bottom plate 1 with ordinary reinforcing steel 4 is perpendicular, passes through the steel wire at the crosspoint and fixes, forms network structure, and buries in prestressed concrete bottom plate 1 in advance.
The open ends of the trapezoid folding steel plates are pre-buried in the prestressed concrete bottom plate 1, and concrete baffles are arranged on four sides of the prestressed concrete bottom plate 1 in the process of pouring the prestressed concrete bottom plate so as to be better formed into a combined composite slab.
In the embodiment, the side steel plate of the trapezoidal folded steel plate is provided with the circular pouring hole, so that concrete can flow into the steel beam when the post-pouring plate on the upper part of the combined composite slab is poured; the included angle between the steel plates on the two side edges of the trapezoidal folded steel plate and the vertical direction is alpha, and alpha is 45 degrees, so that the trapezoidal folded steel plate can bear larger acting force after being pre-embedded into the prestressed concrete base plate.
In this embodiment, the trapezoidal folded steel plate can bear a large axial force, the prestressed concrete bottom plate 1 can also bear a large axial force, and after the prestressed concrete bottom plate is poured, the trapezoidal folded steel plate and the prestressed concrete bottom plate 1 are connected to form a common space stress body, so that the trapezoidal folded steel plate has a large bending rigidity.
Example 5:
the steel beam-prestressed concrete combined laminated slab shown in fig. 6 and 7 comprises a steel beam 2, a prestressed concrete bottom plate 1, prestressed steel bars 3 and common steel bars 4; wherein, the steel beam 2 is a triangular folded steel plate with an opening at the bottom edge.
Several 3 equidistant parallel distributions of prestressing steel, and be on a parallel with the girder steel, several 4 equidistant parallel distributions of ordinary reinforcing steel, prestressing steel 3 and ordinary reinforcing steel 4 arrange perpendicularly in prestressed concrete bottom plate 1, pass through the steel wire fixed at the crosspoint, form network structure to bury in prestressed concrete bottom plate 1 in advance.
The open ends of the triangular folded steel plates are pre-buried in the prestressed concrete base plate 1, and concrete baffles are arranged on four sides of the prestressed concrete base plate 1 in the process of pouring the prestressed concrete base plate so as to form a combined composite slab better.
In the embodiment, the side steel plates of the triangular folded steel plates are provided with hexagonal pouring holes, so that concrete can flow into the steel beam when a post-pouring plate on the upper part of the combined composite slab is poured; the included angle between the steel plates on the two side edges of the triangular folded steel plate and the vertical direction is alpha, and alpha is 60 degrees, so that the triangular folded steel plate can bear larger acting force after being pre-embedded into the prestressed concrete base plate.
In this embodiment, the triangular folded steel plate can bear a large axial force, the prestressed concrete bottom plate 1 can also bear a large axial force, and after the prestressed concrete bottom plate is poured, the triangular folded steel plate and the prestressed concrete bottom plate 1 are connected to form a common space stress body, so that the triangular folded steel plate has a large bending rigidity.
The technical content of the present invention is further described by the above embodiments only, so as to facilitate the reader to understand more easily, but not to represent that the embodiments of the present invention are limited only to this, and any technical extension or re-creation according to the present invention is protected by the present invention.
Claims (8)
1. The steel beam-prestressed concrete combined composite slab is characterized by comprising a steel beam, a prestressed concrete bottom plate, prestressed steel bars and common steel bars; the prestressed reinforcement is vertically arranged with the common reinforcement and is embedded in the prestressed concrete bottom plate; the steel beam is one of equilateral angle steel and a folding steel plate, and the open end of the steel beam is embedded in the prestressed concrete bottom plate.
2. The steel beam-prestressed concrete combined composite slab as claimed in claim 1, wherein the angle between the side plates of the folded steel plate and the vertical direction is 15 ° to 60 °.
3. The steel beam-prestressed concrete composite slab of claim 1, wherein said steel beam open end is anchored in the prestressed concrete floor when the concrete floor is poured.
4. The steel beam-prestressed concrete composite slab as claimed in claim 1, wherein said prestressed reinforcing bars are arranged in parallel at equal intervals, and said general reinforcing bars are arranged in parallel at equal intervals.
5. The steel beam-prestressed concrete composite slab of claim 4, wherein said prestressed reinforcement is parallel to said steel beam.
6. The steel beam-prestressed concrete combined composite slab as claimed in claim 5, wherein the prestressed reinforcement and the general reinforcement are fixedly connected by a steel wire.
7. The steel beam-prestressed concrete composite slab as claimed in claim 1, wherein said steel beam is provided with casting holes.
8. The steel beam-prestressed concrete combined composite slab as claimed in claim 7, wherein the casting holes are one or more of circular and polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119925.9U CN211775065U (en) | 2019-11-29 | 2019-11-29 | Steel beam-prestressed concrete combined composite slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119925.9U CN211775065U (en) | 2019-11-29 | 2019-11-29 | Steel beam-prestressed concrete combined composite slab |
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| CN211775065U true CN211775065U (en) | 2020-10-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748083A (en) * | 2019-11-29 | 2020-02-04 | 深圳海龙建筑科技有限公司 | Steel beam-prestressed concrete combined composite slab |
| CN115182497A (en) * | 2022-06-23 | 2022-10-14 | 四川恒增装配式建筑科技有限公司 | Reinforced composite floor slab structure and demolding method applied to floor slab |
-
2019
- 2019-11-29 CN CN201922119925.9U patent/CN211775065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748083A (en) * | 2019-11-29 | 2020-02-04 | 深圳海龙建筑科技有限公司 | Steel beam-prestressed concrete combined composite slab |
| CN115182497A (en) * | 2022-06-23 | 2022-10-14 | 四川恒增装配式建筑科技有限公司 | Reinforced composite floor slab structure and demolding method applied to floor slab |
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Address after: No. 8, junzi buxingfa Road, Guanlan street, Longhua District, Shenzhen, Guangdong 518000 Patentee after: CSCEC Hailong Technology Co.,Ltd. Address before: No. 8, junzi buxingfa Road, Guanlan street, Longhua District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN HAILONG BUILDING TECHNOLOGY Co.,Ltd. |