CN210238895U - Hollow superstructure of no roof beam - Google Patents
Hollow superstructure of no roof beam Download PDFInfo
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- CN210238895U CN210238895U CN201920573088.4U CN201920573088U CN210238895U CN 210238895 U CN210238895 U CN 210238895U CN 201920573088 U CN201920573088 U CN 201920573088U CN 210238895 U CN210238895 U CN 210238895U
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Abstract
The utility model discloses a hollow superstructure of no roof beam, a serial communication port hollow superstructure includes reinforced concrete and buries underground in a plurality of hollow square casees in the reinforced concrete, hollow square chest is the determinant interval and arranges, a through-hole has been seted up along its vertical axis direction to hollow square chest, and is adjacent be provided with U type card between the hollow square chest. The utility model has the advantages that: the built-in hollow square box is light in weight, the strength of the structure is guaranteed to be met while the concrete consumption is saved and the self weight of the structure is reduced, a large bay is realized, and the use area is increased; the hollow square box is anchored by the anti-floating pressure rib, and floating cannot occur in the pouring process, so that the thickness of the upper layer and the lower layer of the reinforced concrete meets the design requirement.
Description
Technical Field
The utility model relates to a superstructure construction technical field, concretely relates to hollow superstructure of no roof beam.
Background
With the development of economic level and the improvement of living standard, people have higher requirements on the aspects of large compartment, high clearance, comfort level, sound insulation, energy conservation, environmental protection, economy and the like of modern buildings. With the increasing of large-span concrete structures, more and more floors adopt the hollow floor structure technology, namely, a part of concrete is replaced by using a light filling material, and the technology does not basically influence the stress performance of the structure, but can greatly reduce the self weight of the structure. According to different filling modes of filling materials, the filling material is divided into three structural types, namely a built-in filling body hollow slab, a single-side exposed filling body hollow slab and a double-side exposed filling body hollow slab. However, the existing hollow floor system has the disadvantages of single structure, high construction difficulty, long construction period and unsatisfactory mechanical property.
Disclosure of Invention
The utility model aims at providing a there is not hollow superstructure of roof beam according to the weak point of above-mentioned prior art, this there is not hollow superstructure of roof beam that has built-in hollow square chest of a plurality of interval distribution, and hollow square chest sets up anti superficial pressure muscle through the top and will resist superficial pressure muscle and utilize anti superficial anchor iron wire and bottom plate muscle drawknot, realizes the fixed to the position of hollow square chest, and the upper and lower layer concrete thickness of the hollow superstructure of no roof beam of formation obtains effective control.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the hollow flat slab comprises reinforced concrete and a plurality of hollow square boxes embedded in the reinforced concrete, wherein the hollow square boxes are arranged in a row-column manner at intervals, each hollow square box is provided with a through hole along the vertical axis direction, and a U-shaped clamp is arranged between every two adjacent hollow square boxes.
The top surface of each row of hollow square boxes is provided with a plurality of anti-floating and pressure ribs which are parallel to each other, a plurality of anchoring points are arranged on the anti-floating and pressure ribs, a bottom plate rib is arranged below each hollow square box, and the anchoring points are fixed with the bottom plate ribs through anti-floating anchoring iron wires in a pulling and tying mode.
And a pre-embedded pipe is further arranged between the adjacent hollow square boxes, and a pre-embedded pipe box is arranged at the splicing position of the pre-embedded pipe.
The distance between the top surface of the hollow square box and the upper surface of the reinforced concrete is 100-130 mm, the distance between the bottom surface of the hollow square box and the lower surface of the reinforced concrete is 70-90 mm, and the interval between the adjacent hollow square boxes is 140-160 mm.
The through hole is inserted with a vibrating tube, the vibrating tube is in interference fit with the through hole, and the diameter of the through hole is larger than that of the vibrating rod.
The number of the anti-floating pressure ribs is two, and the distance between the anchoring points on each anti-floating pressure rib is 700-900 mm.
The hollow square box is further provided with a plurality of small holes penetrating through the upper surface and the lower surface of the hollow square box, and PVC pipes in interference fit with the small holes are inserted into the small holes.
The number of the small holes is 4, and the 4 small holes are distributed at 4 corners of the hollow square box.
The utility model has the advantages that: the built-in hollow square box is light in weight, the strength of the structure is guaranteed to be met while the concrete consumption is saved and the self weight of the structure is reduced, a large bay is realized, and the use area is increased; the hollow square box is anchored by the anti-floating pressure rib, and floating cannot occur in the pouring process, so that the thickness of the upper layer and the lower layer of the reinforced concrete meets the design requirement.
Drawings
FIG. 1 is a schematic diagram of the embedding of a hollow square box according to the present invention;
FIG. 2 is a schematic cross-sectional view of a center flat hollow floor according to the present invention;
fig. 3 is the utility model discloses well beamless hollow superstructure pour the process sketch map.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-3, the labels 1-10 in the figures are: the concrete vibrating machine comprises a hollow square box 1, an anti-floating pressure rib 2, an anchoring point 3, a through hole 4, reinforced concrete 5, a bottom plate rib 6, a top plate rib 7, a U-shaped clamp 8, concrete 9 and a vibrating rod 10.
Example (b): as shown in fig. 1-3, the present embodiment specifically relates to a flat hollow floor, which has a plurality of hollow square boxes 1 arranged at intervals, wherein the hollow square boxes 1 are provided with anti-floating and pressure-resisting ribs 2 through the upper part, and the anti-floating and pressure-resisting ribs 2 are tied to the bottom plate ribs 6 by using anti-floating anchoring iron wires, so as to fix the positions of the hollow square boxes 1, effectively control the thickness of the concrete on the upper layer and the lower layer of the formed flat hollow floor, and meet the construction requirements for structural strength.
As shown in fig. 1-3, the flat hollow floor in this embodiment includes a reinforced concrete 5 and a plurality of hollow square boxes 1 embedded in the reinforced concrete 5, the hollow square boxes 1 are arranged in rows and columns at intervals, the hollow square boxes 1 are made of organic materials, the hollow square boxes 1 are hollow, and have the advantages of light weight, good bending resistance and good shearing resistance, the concrete consumption can be effectively reduced by embedding the hollow square boxes 1 in the reinforced concrete 5, the weight of the flat hollow floor can be reduced, and the structural strength can still meet the design requirements, in this embodiment, the size of the hollow square boxes 1 is 750mm × 300 mm.
As shown in fig. 1-3, the reinforced concrete 5 is a structure formed by casting reinforced steel bars and concrete, a bottom plate rib 6 is arranged below the hollow square box 1, a top plate rib 7 is arranged above the hollow square box 1, and a rib beam rib is arranged between adjacent hollow square boxes 1 to ensure the structural strength of the flat hollow floor. The concrete strength grade used in this example was C35. Still bury the buried pipe underground between adjacent hollow square chest 1, the concatenation department of buried pipe is provided with pre-buried tub of box, provides the passageway for laying of each circuit and pipeline.
As shown in fig. 1-3, the top surface of each row of hollow square boxes 1 is further provided with a plurality of anti-floating pressure bars 2 which are parallel to each other, each anti-floating pressure bar 2 is provided with a plurality of anchoring points 3 at intervals along the length of the square box, each anchoring point is fixed with a bottom plate bar 6 through an anti-floating anchoring steel wire, because the hollow square boxes 1 are easy to float in the concrete pouring process, the thickness of the concrete layer above the hollow square boxes 1 is too small, and the thickness of the concrete layer below the hollow square boxes is too large, the hollow square boxes can be fixed with the bottom plate bar 6 through the anti-floating anchoring steel wires 2, so that a vertical limit is formed, the received buoyancy is transmitted to the bottom plate bar 6 through the anti-floating anchoring steel wires, the bottom plate bar 6 is fixed with a formwork support below a bottom formwork before pouring, so that the buoyancy is finally supported by the formwork support, and the positions of the hollow. In order to limit the left-right floating of the hollow square boxes 1 in the process of pouring concrete and reduce the width of the rib beam, U-shaped clamps are further arranged between the adjacent hollow square boxes 1 and are fixedly connected with rib beam ribs, so that the width of the rib beam is limited, and the left-right floating displacement of the hollow square boxes 1 is limited. In the embodiment, the distance between the top surface of the hollow square box 1 and the upper surface of the reinforced concrete 5 is 100 mm-130 mm, the distance between the bottom surface of the hollow square box 1 and the lower surface of the reinforced concrete 5 is 70 mm-90 mm, the interval between the adjacent hollow square boxes 1 is 140-160 mm, and due to the arrangement of the anti-floating pressure ribs 2, the U-shaped clamps and the like, the thickness of each concrete layer after the beamless hollow floor is formed meets the design requirement. The quantity of anti superficial pressure muscle 2 in this embodiment is two, and the interval of the adjacent anchor point 3 on every anti superficial pressure muscle 2 is 700~900 mm. It should be noted that, the anti-floating rib 2 not only plays a role of limiting the floating of the hollow square box 1, but also can enhance the bending resistance of the hollow square box 1 when being emptied.
As shown in fig. 1-3, the hollow square box 1 in this embodiment is further provided with a through hole 4 along the vertical central axis direction, and the diameter of the through hole 4 is greater than that of the vibrating rod 10, so that the vibrating rod 10 can be inserted into the lower portion of the hollow square box 1 through the through hole 4 in the process of pouring concrete 9, and the concrete 9 is vibrated by the vibrating rod 10, so that the hollow square box is tightly filled. In order to prevent the concrete 9 from entering the inside of the hollow square box 1 and the vibrating rod 10 from touching and damaging the hollow square box 1 in the vibrating process, a vibrating tube is inserted into the through hole 4 and is in interference fit with the through hole. Hollow square chest 1 has still seted up a plurality of apertures that run through its upper surface and lower surface, all inserts in these apertures and is equipped with the PVC pipe that is interference fit with it, can be fast discharge the air of hollow square chest 1 bottom through these apertures, and the quantity of aperture is 4 in this embodiment, distributes in 4 bights of hollow square chest 1.
The beneficial effect of this embodiment is: the built-in hollow square box is light in weight, the strength of the structure is guaranteed to be met while the concrete consumption is saved and the self weight of the structure is reduced, a large bay is realized, and the use area is increased; the hollow square box is anchored by the anti-floating pressure rib, and floating cannot occur in the pouring process, so that the thickness of the upper layer and the lower layer of the reinforced concrete meets the design requirement.
Claims (8)
1. The hollow flat slab comprises reinforced concrete and a plurality of hollow square boxes embedded in the reinforced concrete, wherein the hollow square boxes are arranged in a row-column manner at intervals, each hollow square box is provided with a through hole along the vertical axis direction, and a U-shaped clamp is arranged between every two adjacent hollow square boxes.
2. The flat hollow floor as claimed in claim 1, wherein each row of said hollow square boxes is provided with a plurality of anti-floating ribs parallel to each other on the top surface, said anti-floating ribs are provided with a plurality of anchoring points, and a bottom plate rib is provided under said hollow square boxes, said anchoring points are tied and fixed with said bottom plate rib by anti-floating anchoring iron wires.
3. The flat hollow floor according to claim 1, wherein a pre-buried pipe is further disposed between adjacent hollow square boxes, and a pre-buried pipe box is disposed at a splicing position of the pre-buried pipe.
4. The flat hollow floor as claimed in claim 1, wherein the distance between the top surface of the hollow square box and the upper surface of the reinforced concrete is 100mm to 130mm, the distance between the bottom surface of the hollow square box and the lower surface of the reinforced concrete is 70mm to 90mm, and the interval between adjacent hollow square boxes is 140 mm to 160 mm.
5. The flat hollow floor according to claim 1, wherein a vibrating tube is inserted into said through hole, said vibrating tube is in interference fit with said through hole, and the diameter of said through hole is larger than the diameter of the vibrating rod.
6. The flat hollow floor as claimed in claim 2, wherein the number of the anti-floating ribs is two, and the distance between the anchoring points on each anti-floating rib is 700-900 mm.
7. The flat hollow floor as claimed in claim 1, wherein the hollow square box further has a plurality of small holes penetrating the upper and lower surfaces of the hollow square box, and PVC pipes are inserted into the small holes and are in interference fit with the small holes.
8. A flat hollow floor according to claim 7, wherein said apertures are 4 and 4 apertures are provided at 4 corners of said hollow square box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573088.4U CN210238895U (en) | 2019-04-25 | 2019-04-25 | Hollow superstructure of no roof beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573088.4U CN210238895U (en) | 2019-04-25 | 2019-04-25 | Hollow superstructure of no roof beam |
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| CN210238895U true CN210238895U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920573088.4U Active CN210238895U (en) | 2019-04-25 | 2019-04-25 | Hollow superstructure of no roof beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392189A (en) * | 2020-11-30 | 2021-02-23 | 浙江省建筑设计研究院 | Hollow floor system with stiffening columns and box body for improving local pressure bearing performance of plate surface and construction method of hollow floor system |
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2019
- 2019-04-25 CN CN201920573088.4U patent/CN210238895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392189A (en) * | 2020-11-30 | 2021-02-23 | 浙江省建筑设计研究院 | Hollow floor system with stiffening columns and box body for improving local pressure bearing performance of plate surface and construction method of hollow floor system |
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