CN218492810U - Ultrathin high-performance concrete bottom plate fabricated steel bar truss floor - Google Patents
Ultrathin high-performance concrete bottom plate fabricated steel bar truss floor Download PDFInfo
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- CN218492810U CN218492810U CN202222603639.1U CN202222603639U CN218492810U CN 218492810 U CN218492810 U CN 218492810U CN 202222603639 U CN202222603639 U CN 202222603639U CN 218492810 U CN218492810 U CN 218492810U
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Abstract
The utility model discloses an ultra-thin high performance concrete bottom plate assembled steel bar truss floor belongs to building engineering technical field, include: the steel bar support comprises upper chord steel bars, lower chord steel bars, web member steel bars, transverse steel bars, support vertical steel bars and support transverse steel bars; go up the chord reinforcement and vertically be provided with a plurality ofly, web member reinforcing bar symmetric distribution is in go up the both sides of chord reinforcement, the top with go up chord reinforcement fixed connection, lower part in the outside of web member reinforcing bar with last chord reinforcement fixed connection, horizontal reinforcing bar transversely is provided with a plurality ofly, the top of horizontal reinforcing bar is with a plurality ofly go up the bottom fixed connection of chord reinforcement, the support erect the muscle upper end with last chord reinforcement fixed connection, the lower extreme with horizontal muscle fixed connection of support, the utility model discloses the assembly degree is high, low cost.
Description
Technical Field
The utility model belongs to the technical field of building engineering, more specifically the utility model relates to an ultra-thin high performance concrete bottom plate assembled steel bar truss floor that says so.
Background
The country vigorously pushes assembly type buildings, industrial production and assembly type construction must become main construction modes in the future, and most prefabricated components are standardized, serialized and industrialized. The prefabricated staircase and the laminated slab are popularized and applied in a large quantity, and play a positive promoting role in the development of the fabricated building.
More the steel bar truss floor carrier plate in addition is used in present assembled floor field, mainly includes three kinds of forms: the floor comprises a welded steel bar truss floor, a detachable bottom die steel bar truss floor and an detaching-free bottom die steel bar truss floor. The welded steel bar truss floor bearing plate is formed by connecting a steel bar truss and a profiled steel plate through resistance spot welding, is a common floor form on the existing steel structure, but a welding bottom die is not easy to remove, needs to be hidden in a suspended ceiling and is not suitable for concrete structures and residential projects; the detachable bottom die steel bar truss floor support plate is formed by connecting a steel bar truss and a detachable bottom die through a special connecting piece, is suitable for buildings without suspended ceilings, but consumes time and labor when the bottom die is detached, has high bottom die loss rate, low turnover rate and high cost, and reduces the market share year by year at present; the disassembly-free bottom die steel bar truss floor is formed by connecting a steel bar truss and a disassembly-free bottom die through a special connecting piece, and has the problems of high cost, high water absorption rate of a fiber cement bottom plate, easiness in cracking of the bottom plate in the transportation construction process and the like.
The prior art Chinese patent (201811294539.7) discloses a steel bar truss foam concrete composite floor slab, wherein the assembly degree is low, the cost is high, the construction progress is slow, the process is complicated, and the device structure is complex.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an ultra-thin high performance concrete bottom plate assembled steel bar truss floor has the assembly degree height, low cost, and the construction progress is fast, installs simple structure's advantage, can solve because of the assembly degree is low, and is with high costs, and the device structure is complicated to lead to the slow problem of construction progress.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ultra-thin high performance concrete bottom plate assembled steel bar truss floor, includes: the steel bar support comprises upper chord steel bars, lower chord steel bars, web member steel bars, transverse steel bars, support vertical steel bars and support transverse steel bars; the upper chord steel bars are longitudinally provided with a plurality of upper chord steel bars, the web member steel bars are symmetrically distributed on two sides of the upper chord steel bars, the tops of the web member steel bars are fixedly connected with the upper chord steel bars, the middle lower parts of the outer sides of the web member steel bars are fixedly connected with the lower chord steel bars, the transverse steel bars are transversely provided with a plurality of transverse steel bars, the top ends of the transverse steel bars are fixedly connected with the bottoms of the upper chord steel bars, the upper ends of the vertical steel bars of the support are fixedly connected with the upper chord steel bars, and the lower ends of the vertical steel bars of the support are fixedly connected with the transverse steel bars of the support.
Furthermore, the web member reinforcing bar includes a plurality ofly for the V type structure, and is adjacent V type structure fixed connection.
The lower chord steel bar, the lower part of the web member steel bar, the lower part of the support vertical steel bar and the support transverse steel bar are embedded in the thin high-performance concrete bottom plate.
Furthermore, the bottom of the thin high-performance concrete bottom plate is provided with bottom plate grid cloth.
Furthermore, close abutted seams exist between adjacent thin high-performance concrete bottom plates, and polymer mortar is filled in the close abutted seams.
Furthermore, the bottom end of the V-shaped structure of the web member steel bar is arc-shaped.
Furthermore, the bottom end of the V-shaped structure of the web member steel bar extends to two sides to form an elongated section.
Furthermore, the bottom end of the web member steel bar on one side of the upper chord steel bar is fixedly connected with an anchoring longitudinal bar.
Furthermore, the bottom end of the V-shaped structure of the opposite group of the web member steel bars is fixedly connected with an anchoring transverse bar.
Furthermore, the bottom end of the web member steel bar is fixedly connected with an anchoring steel wire mesh.
The utility model has the advantages that:
the device has low manufacturing cost, convenient construction, short construction period and high assembly degree, reduces most of steel bar binding and scaffold erecting work, reduces the on-site transportation time of a large amount of materials, has less temporary support, is meticulous in construction calculation and is not wasted, the thin high-performance concrete bottom plate is adopted, the device is formed by connecting the embedded lower chord steel bars, the lower parts of the web member steel bars, the lower parts of the support vertical steel bars and the support transverse steel bars with the thin high-performance concrete bottom plate, and the bottom of the bottom plate is provided with the gridding cloth, so that the physical performance and the mechanical performance of the thin high-performance concrete bottom plate in a construction stage are improved, the compression resistance of the thin high-performance concrete bottom plate is ensured, the bending resistance of bearing construction load in the construction stage is also ensured, the anchoring longitudinal steel bars, the anchoring transverse steel bars or the anchoring steel wire net rack are arranged, the anchoring force of the device and the thin high-performance concrete bottom plate can be improved, the performance of the device and the thin high-performance concrete bottom plate under the combined action is improved, the arrangement of the lengthened section not only saves the steel bars, but also the anchoring force of the device and the thin high-performance concrete bottom plate is improved, the high-concrete bottom plate can be made into a high-leakage-embedded joint of two adjacent concrete slab, and the high-leakage-joint can be avoided by adopting a high-concrete-joint-embedded concrete slab.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of the present embodiment 1.
Fig. 2 is a side view of the present embodiment 1.
Fig. 3 is a front view of embodiment 2.
Fig. 4 is a partial schematic view of embodiment 2.
Fig. 5 is a plan view of the present embodiment 2.
Fig. 6 is a schematic structural diagram of this embodiment 10.
Fig. 7 is a front view of embodiment 3.
Fig. 8 is a side view of the present embodiment 3.
Fig. 9 is a front view of the present embodiment 5.
Fig. 10 is a side view of the present embodiment 5.
Fig. 11 is a front view of the present embodiment 6.
Fig. 12 is a side view of the present embodiment 6.
Fig. 13 is a side view of the present embodiment 7.
Wherein, in the figure:
1-upper chord steel bar; 2-lower chord steel bars; 3-web member reinforcing steel bars; 4-thin high performance concrete floor; 5-transverse steel bars; 6-vertical ribs of the support; 7-support transverse bar; 8-anchoring the longitudinal bars; 9-anchoring transverse ribs; 10-anchoring a steel wire mesh sheet; 11-bottom plate mesh cloth; 12-a lengthening section; and 13-close splicing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-2, the utility model provides an ultra-thin high performance concrete bottom plate assembled steel bar truss floor, include: the steel bar support comprises an upper chord steel bar 1, a lower chord steel bar 2, web member steel bars 3, transverse steel bars 5, support vertical steel bars 6 and support transverse steel bars 7;
the steel bar support is characterized in that the upper chord steel bar 1 is longitudinally provided with a plurality of steel bars, the web members are symmetrically distributed on two sides of the upper chord steel bar 1, the top of the web members are fixedly connected with the upper chord steel bar 1, the lower part of the outer side of the web members are fixedly connected with the lower chord steel bar 2, the transverse steel bar 5 is transversely provided with a plurality of steel bars, the top end of the transverse steel bar 5 is fixedly connected with the bottom of the upper chord steel bar 1, the upper end of the vertical support rib 6 is fixedly connected with the upper chord steel bar 1, the lower end of the vertical support rib is fixedly connected with the transverse support rib 7, the web members are provided with a plurality of V-shaped structures, the V-shaped structures are adjacent, and the bottom end of the V-shaped structure of the web members is arc-shaped.
Example 2:
referring to fig. 3-5, the difference from embodiment 1 is that a thin high-performance concrete bottom plate 4 is further included, the lower chord steel bars 2, the lower portions of the web member steel bars 3, the lower portions of the support vertical steel bars 6 and the support transverse steel bars 7 are embedded in the thin high-performance concrete bottom plate 4, a bottom plate grid cloth 11 is installed at the bottom of the thin high-performance concrete bottom plate 4, so that the physical performance and the mechanical performance of the thin high-performance concrete bottom plate 4 are improved in a construction stage, not only the compression resistance of the thin high-performance concrete bottom plate 4 is ensured, but also the bending resistance of construction load bearing in the construction stage is ensured, the four sides of the thin high-performance concrete bottom plate 1 are provided with grooves, the peripheries of the thin high-performance concrete bottom plate 4 are in a groove shape, two adjacent thin high-performance concrete bottom plates 4 are densely spliced, a dense spliced seam 13 exists between the adjacent thin high-performance concrete bottom plates 4, the bottom of the dense spliced seam 13 can be caulked by using polymer mortar, the condition that slurry leakage at the slab seam is avoided, the slab seam is processed on the initial surface before the concrete bottom plate 4, and the rough surface is processed to control the rough surface, and the rough surface is formed by a depth of 1mm to control.
Example 3:
referring to fig. 7-8, the difference with respect to embodiment 1 is that the bottom end of the V-shaped structure of the web member steel bar 3 extends to both sides to form an elongated section 12, and the arrangement of the elongated section 12 not only saves the amount of steel bars, but also improves the anchoring force between the device and the thin high-performance concrete bottom plate 4.
Example 4:
compared with the embodiment 3, the concrete slab is characterized by further comprising a thin high-performance concrete bottom plate 4, wherein the lower chord steel bars 2, the lower parts of the web member steel bars 3, the lower parts of the support vertical bars 6 and the support transverse bars 7 are embedded in the thin high-performance concrete bottom plate 4, the bottom of the thin high-performance concrete bottom plate 4 is provided with a bottom plate grid cloth 11, the physical performance and the mechanical performance of the thin high-performance concrete bottom plate 4 are improved in a construction stage, not only the compression resistance of the thin high-performance concrete bottom plate 4 is guaranteed, but also the bending resistance of construction load bearing in the construction stage is guaranteed, four sides of the thin high-performance concrete bottom plate 1 are provided with grooves, the periphery of the thin high-performance concrete bottom plate 4 is made into a rabbet shape, two adjacent thin high-performance concrete bottom plates 4 are closely spliced, a close splice 13 exists between the adjacent thin high-performance concrete bottom plates 4, the bottom of the close splice 13 can be caulked by polymer mortar, the condition that slurry leaks from the plate joints in the concrete pouring process is avoided, the upper surface of the thin high-performance concrete bottom plate 4 is treated in advance, the rough surface is controlled to be 1mm, and the rough surface is formed.
Example 5:
referring to fig. 9 to 10, with respect to embodiment 2, the difference is that the bottom end of the web member reinforcing steel bar 3 on one side of the upper chord reinforcing steel bar 1 is fixedly connected with an anchoring longitudinal bar 8.
Example 6:
referring to fig. 11 to 12, the difference from embodiment 2 is that the bottom end of the V-shaped structure of the opposing set of web member reinforcing bars 3 is fixedly connected with an anchoring transverse bar 9.
Example 7:
referring to fig. 13, the difference from embodiment 2 is that the bottom ends of the web member steel bars 3 are fixedly connected with anchoring steel wire mesh sheets 10, which not only can improve the anchoring force between the device and the thin high-performance concrete bottom plate 4, but also improve the performance of the device and the thin high-performance concrete bottom plate 4 acting together.
Example 8:
compared with the embodiment 2, the difference lies in that the bottom ends of the web member steel bars 3 on one side of the upper chord steel bar 1 are fixedly connected with anchoring longitudinal bars 8, and the bottom ends of the V-shaped structures of the opposite group of web member steel bars 3 are fixedly connected with anchoring transverse bars 9; or the bottom ends of the web member reinforcing steel bars 3 on one side of the upper chord reinforcing steel bars 1 are fixedly connected with anchoring longitudinal bars 8, and the bottom ends of the web member reinforcing steel bars 3 are fixedly connected with anchoring steel wire mesh sheets 10, so that the anchoring force of the device and the thin high-performance concrete bottom plate 4 can be improved, and the performance of the combined action of the device and the thin high-performance concrete bottom plate 4 is improved; or the bottom ends of the V-shaped structures of the opposite group of the web member steel bars 3 are fixedly connected with anchoring transverse bars 9, and the bottom ends of the web member steel bars 3 are fixedly connected with anchoring steel wire mesh sheets 10; or go up 1 one side of chord reinforcement the bottom fixedly connected with anchor of web member reinforcing bar 3 is indulged muscle 8, and is relative a set of the bottom fixedly connected with anchor of the V type structure of web member reinforcing bar 3 is violently muscle 9, 3 bottom fixedly connected with anchor wire net pieces 10 of web member reinforcing bar can enough improve the anchor power of device and slim high performance concrete bottom plate 4, have improved the performance of device and slim high performance concrete bottom plate 4 combined action again.
Example 9:
compared with the embodiment 4, the difference is that the bottom end of the web member reinforcing steel bar 3 on the upper chord reinforcing steel bar 1 side is fixedly connected with an anchoring longitudinal bar 8.
Example 10:
referring to fig. 6, the difference from embodiment 4 is that the bottom end of the V-shaped structure of the opposing set of web member reinforcing bars 3 is fixedly connected with an anchoring transverse bar 9.
Example 11:
compared with the embodiment 4, the difference lies in that the anchoring steel wire mesh 10 is fixedly connected to the bottom end of the web member steel bar 3, so that the anchoring force of the device and the thin high-performance concrete bottom plate 4 can be improved, and the performance of the combined action of the device and the thin high-performance concrete bottom plate 4 is improved.
Example 12:
compared with the embodiment 4, the difference lies in that the bottom ends of the web member steel bars 3 on one side of the upper chord steel bar 1 are fixedly connected with anchoring longitudinal bars 8, and the bottom ends of the V-shaped structures of the opposite group of web member steel bars 3 are fixedly connected with anchoring transverse bars 9; or the bottom ends of the web member reinforcing steel bars 3 on one side of the upper chord reinforcing steel bars 1 are fixedly connected with anchoring longitudinal bars 8, and the bottom ends of the web member reinforcing steel bars 3 are fixedly connected with anchoring steel wire mesh sheets 10, so that the anchoring force of the device and the thin high-performance concrete bottom plate 4 can be improved, and the performance of the combined action of the device and the thin high-performance concrete bottom plate 4 is improved; or the bottom ends of the V-shaped structures of the opposite group of the web member steel bars 3 are fixedly connected with anchoring transverse bars 9, and the bottom ends of the web member steel bars 3 are fixedly connected with anchoring steel wire mesh sheets 10; or go up 1 one side of chord reinforcement the bottom fixedly connected with anchor of web member reinforcing bar 3 is indulged muscle 8, and is relative a set of the bottom fixedly connected with anchor of the V type structure of web member reinforcing bar 3 is violently muscle 9, 3 bottom fixedly connected with anchor wire net pieces 10 of web member reinforcing bar can enough improve the anchor power of device and slim high performance concrete bottom plate 4, have improved the performance of device and slim high performance concrete bottom plate 4 combined action again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an ultra-thin high performance concrete bottom plate assembled steel bar truss floor which characterized in that includes: the steel bar support comprises upper chord steel bars (1), lower chord steel bars (2), web member steel bars (3), transverse steel bars (5), support vertical steel bars (6) and support transverse steel bars (7);
the support is characterized in that the upper chord steel bars (1) are longitudinally provided with a plurality of steel bars, the web members (3) are symmetrically distributed on two sides of the upper chord steel bars (1), the top of the web members are fixedly connected with the upper chord steel bars (1), the middle lower part of the outer side of the web members (3) is fixedly connected with the lower chord steel bars (2), the transverse steel bars (5) are transversely provided with a plurality of steel bars, the top ends of the transverse steel bars (5) are fixedly connected with the bottoms of the upper chord steel bars (1), the upper ends of the support vertical steel bars (6) are fixedly connected with the upper chord steel bars (1), and the lower ends of the support vertical steel bars are fixedly connected with the support transverse steel bars (7).
2. The ultra-thin high performance concrete floor fabricated steel bar truss floor of claim 1, wherein said web member reinforcing bars (3) comprise a plurality of V-shaped structures, and are fixedly connected adjacent to said V-shaped structures.
3. The ultra-thin high performance concrete floor assembled steel bar truss floor according to claim 1, further comprising a thin high performance concrete floor (4), wherein the lower chord steel bar (2), the lower portion of the web member steel bar (3), the lower portion of the support vertical steel bar (6) and the support horizontal steel bar (7) are buried in the thin high performance concrete floor (4).
4. The ultra-thin high performance concrete floor fabricated steel bar truss floor as claimed in claim 3, wherein the bottom of the thin high performance concrete floor (4) is provided with a floor mesh (11).
5. The ultra-thin high performance concrete floor assembled steel bar truss floor as claimed in claim 3, wherein close-jointed seams (13) are formed between adjacent thin high performance concrete floors (4), and the close-jointed seams (13) are filled with polymer mortar.
6. The ultra-thin high performance concrete floor assembled steel bar truss floor as claimed in claim 2, wherein the V-shaped structure of the web member reinforcing bars (3) has a bottom end in an arc shape.
7. The ultra-thin high performance concrete floor assembled steel bar truss floor as claimed in claim 2, wherein the V-shaped structure of the web member reinforcing bars (3) has a bottom end extended to both sides to form an elongated section (12).
8. The ultra-thin high performance concrete floor assembled steel bar truss floor as claimed in claim 1, wherein the bottom end of the web member reinforcement (3) of the upper chord reinforcement (1) side is fixedly connected with an anchoring longitudinal reinforcement (8).
9. The ultra-thin high performance concrete floor assembled steel bar truss floor as claimed in claim 2, wherein the anchoring cross bar (9) is fixedly connected to the bottom end of the V-shaped structure of the opposing set of web member reinforcing bars (3).
10. The ultra-thin high performance concrete floor assembled steel bar truss floor as claimed in claim 1, wherein the bottom end of the web member steel bar (3) is fixedly connected with an anchoring steel wire mesh (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222603639.1U CN218492810U (en) | 2022-09-30 | 2022-09-30 | Ultrathin high-performance concrete bottom plate fabricated steel bar truss floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222603639.1U CN218492810U (en) | 2022-09-30 | 2022-09-30 | Ultrathin high-performance concrete bottom plate fabricated steel bar truss floor |
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| CN218492810U true CN218492810U (en) | 2023-02-17 |
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| CN202222603639.1U Active CN218492810U (en) | 2022-09-30 | 2022-09-30 | Ultrathin high-performance concrete bottom plate fabricated steel bar truss floor |
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| CN (1) | CN218492810U (en) |
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- 2022-09-30 CN CN202222603639.1U patent/CN218492810U/en active Active
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