CN221001581U - Prefabricated assembled hollow floor system of unidirectional rib beam - Google Patents
Prefabricated assembled hollow floor system of unidirectional rib beam Download PDFInfo
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- CN221001581U CN221001581U CN202322321491.7U CN202322321491U CN221001581U CN 221001581 U CN221001581 U CN 221001581U CN 202322321491 U CN202322321491 U CN 202322321491U CN 221001581 U CN221001581 U CN 221001581U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000011049 filling Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 7
- 210000002435 tendon Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000005056 compaction Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model relates to an assembled hollow floor system prefabricated by unidirectional rib beams, which comprises a plurality of prefabricated bottom plates, prefabricated unidirectional rib beams and filling bodies, wherein the prefabricated bottom plates are spliced and combined in a close splicing mode to form a column net, and stress steel bars are bidirectionally prefabricated in the prefabricated bottom plates; the prefabricated unidirectional rib beams are prefabricated on the prefabricated bottom plate along the X direction, the prefabricated unidirectional rib beams form a hollow layer support of the prefabricated floor of the hollow floor system, and holes are preset in the prefabricated unidirectional rib beams along the Y direction; the filling body is prefabricated on the prefabricated bottom plate, so that the forming quality is guaranteed, and the construction progress is accelerated; the unidirectional rib beam is prefabricated, the unsupported span is more than 2m, and less support can be realized; the prefabricated bottom plates are spliced in a close splicing mode, so that a template-free mode can be realized.
Description
Technical Field
The utility model relates to the field of hollow floors, in particular to an assembled hollow floor prefabricated by unidirectional rib beams.
Background
The hollow floor system is a novel floor system, which has the advantages of saving building materials, being convenient to construct, convenient to arrange pipelines, shortening the construction period, reducing the cost, being humanized and the like, is not suitable for the top plate of an underground garage, being easy to leak water in the basement and the like, and common types comprise a superposed box net beam floor system, a honeycomb core hollow floor system and a dense rib floor formwork structure.
At present, the construction process of full-hall scaffold full-paving templates is adopted in hollow floor construction, the construction period is long, the template consumption is large, and because the thickness of the lower flange of the cast-in-place concrete hollow floor is thinner, the lower flange is easy to generate air bags and air bubbles, and the compactness is difficult to guarantee.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a prefabricated assembled hollow floor system with unidirectional rib beams.
The utility model provides a prefabricated assembled hollow floor system of unidirectional rib beams, which adopts the following technical scheme:
A prefabricated assembled hollow floor system of unidirectional rib beam, comprising:
The column net is formed by splicing and combining a plurality of prefabricated bottom plates in a closely spliced mode, and stressed steel bars are bidirectionally prefabricated in the prefabricated bottom plates;
The prefabricated unidirectional rib beams are prefabricated on the prefabricated bottom plate along the X direction, the prefabricated unidirectional rib beams form a hollow layer support of the prefabricated floor of the hollow floor system, and holes are preset in the prefabricated unidirectional rib beams along the Y direction;
And the filling body is prefabricated on the prefabricated bottom plate.
Optionally, the prefabricated rib beam comprises a rib beam bottom rib, a rib beam top rib, a rib beam waist rib and a rib beam sealing stirrup, wherein the rib beam bottom rib is arranged below the stressed steel bar, the rib beam waist rib is arranged between the rib beam bottom rib and the rib beam top rib, and the rib beam sealing stirrup fixes the rib beam bottom rib, the rib beam top rib and the rib beam waist rib.
Optionally, the concatenation department is provided with prefabricated opening stirrup, prefabricated opening stirrup fixes the rib beam bottom muscle of two adjacent, the filling body is located the outside of the prefabricated opening stirrup at both ends.
Optionally, the rib beam bottom ribs comprise X-direction rib beam bottom ribs arranged along the X direction and Y-direction rib beam bottom ribs arranged along the Y direction, and the Y-direction rib beam bottom ribs penetrate through the holes.
Optionally, the holes are pre-filled with foam.
Optionally, the connection position of the stress steel bar and the frame beam extends out of the prefabricated bottom plate and extends to the middle part of the frame beam.
Optionally, the plate side of the prefabricated bottom plate rests on a frame beam.
Optionally, hooks are prefabricated on the prefabricated rib beams.
Optionally, the prefabricated rib beam is poured to the bottom of the upper plate.
Optionally, the Y-direction rib beam longitudinal ribs are arranged through prefabricated unidirectional rib beam reserved holes.
In summary, the present utility model includes at least one of the following beneficial technical effects:
Drawings
FIG. 1 is a connecting view of a longitudinal rib sleeve at the bottom of a post-pouring section beam of a superposed beam, according to an embodiment of the utility model;
FIG. 2 is a graph of rib beam nodes between plates according to an embodiment of the present utility model;
FIG. 3 is a top view of an embodiment of the present utility model;
Fig. 4 is a cross-sectional view taken along A-A in fig. 3.
Reference numerals illustrate: 1. prefabricating a bottom plate; 2. prefabricating a unidirectional rib beam; 3. a stress steel bar; 4. rib beam waist rib; 5. a hole; 6. rib beam top rib; 7. a lifting hook; 8. a filler; 9. the rib beam seals the stirrup; 10. rib beam bottom ribs; 11. prefabricating an opening stirrup.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses an assembled hollow floor system prefabricated by unidirectional rib beams.
Referring to fig. 1-4, an assembled hollow floor system prefabricated by unidirectional rib beams comprises a plurality of prefabricated bottom plates 1, prefabricated unidirectional rib beams 2 and filling bodies 8, wherein the prefabricated bottom plates 1 are spliced and combined in a closely spliced mode to form a column net, and stress steel bars 3 are bidirectionally prefabricated in the prefabricated bottom plates 1; the prefabricated unidirectional rib beams 2 are prefabricated on the prefabricated bottom plate 1 along the X direction, the prefabricated unidirectional rib beams 2 form a hollow layer support of the prefabricated bottom plate of the hollow floor, and holes 12 are preset in the prefabricated unidirectional rib beams 2 along the Y direction; the filling body 8 is prefabricated on the prefabricated bottom plate 1, so that the forming quality is ensured, and the construction progress is accelerated; the unidirectional rib beam is prefabricated, the unsupported span is more than 2m, and less support can be realized; the prefabricated bottom plates 1 are spliced in a close splicing mode, so that a template-free mode can be realized.
Set up the prefabricated bottom plate 1 assembled concrete hollow superstructure of polylith prestressing force in a column net span, in this embodiment, a column net is by the close combination of three prefabricated bottom plates 1, prefabricated unidirectional rib roof beam 2 prefabricates in prefabricated bottom plate 1 for prefabrication plate bottom need not the formwork during the construction, and need not to fill hall scaffold, and no support span is greater than m, realizes exempting from the formwork few supports.
The prefabricated unidirectional rib beam 2 comprises a rib beam bottom rib 10, a rib beam top rib 6, a rib beam waist rib 4 and a rib beam sealing stirrup 9, wherein the rib beam bottom rib 10 and the rib beam top rib 6 are rib beam longitudinal ribs, the rib beam bottom rib 10 is arranged below the stress steel bar 3, the rib beam waist rib 4 is arranged between the rib beam bottom rib 10 and the rib beam top rib 6, and the rib beam sealing stirrup 9 fixes the rib beam bottom rib 10, the rib beam top rib 6 and the rib beam waist rib 4, and the longitudinal ribs of the prefabricated unidirectional rib beam 2 are connected through extrusion sleeves.
The splice of adjacent prefabricated bottom plates is provided with prefabricated opening stirrup 11, and prefabricated opening stirrup 11 fixes two adjacent rib roof beam bottom tendons 10, and the packing body 8 is located the outside of prefabricated opening stirrup 11 at both ends.
The rib beam bottom rib 10 comprises an X-direction rib beam bottom rib 10 arranged along the X direction and a Y-direction rib beam bottom rib 10 arranged along the Y direction, a hole is reserved in the position of the X-direction prefabricated unidirectional rib beam 2 at the rib beam bottom rib, the Y-direction rib beam bottom rib 10 penetrates through the hole 12, and the rib beam bottom rib 10 in the vertical direction can penetrate through the prefabricated unidirectional rib beam 2.
The holes 12 are pre-filled with foam.
The joint is bound with an X-direction rib beam bottom rib 10, a rib beam top rib 6 and a rib beam sealing stirrup 9.
The connection position of the stress steel bar 3 and the frame beam extends out of the prefabricated bottom plate 1 and extends to the middle part of the frame beam.
The plate end of the prefabricated bottom plate 1 is placed on the frame beam by more than 10mm.
The floor slab connected with the frame beam is provided with ribs, the length of the ribs of the floor slab extends into the beam, the plate end of the prefabricated bottom plate 1 is placed on the frame beam to be more than 10mm, the plate side can be determined according to the design condition, and the prefabricated bottom plate can be placed on the frame beam or can be placed without placing and arranging part of cast-in-situ belt.
The filling body 8 can adopt an air bag, a gypsum mold box, a core mold and a foam block, thereby reducing the weight of the whole floor and further enlarging the using span of the floor.
The prefabricated unidirectional rib beam 2 is prefabricated with a lifting hook 7, and is integrally formed through concrete, and the prefabricated unidirectional rib beam 2 is lifted through the lifting hook 7.
The prefabricated unidirectional rib beam 2 is poured to the bottom of the upper plate so as to ensure the construction of the plate face reinforcing steel bars and the rib beam top ribs 6.
The precast unidirectional rib beam 2 is poured at the bottom of the upper plate, and holes 12 are reserved at the positions of the rib beam bottom ribs 10 in the vertical direction, so that the rib beam bottom ribs 10 in the vertical direction can penetrate through the precast unidirectional rib beam 2. After the prefabricated assembled hollow floor slab with the unidirectional rib beam is in place, the rib beam bottom rib 10 in the vertical direction is penetrated firstly, the filling body 8 is placed, then the plate face reinforcing steel bars, the rib beam ribs and the rib beams at the splicing position are bound, and finally concrete is poured to form a whole.
The prefabricated assembled hollow floor system of the unidirectional rib beam is manufactured in a factory, and the manufacturing process flow comprises the steps of preparation, an Mo, steel rib plate bundling, casting, compaction, filling body 8 placement, maintenance, form removal, demolding and plate warehousing, and is specifically described as follows:
① Preparation of
Cleaning the production seat table surface by using a cleaning machine, brushing a release agent by using an oiling machine after cleaning, and simultaneously taking the die from a die warehouse for assembly for later use. According to the technological requirements, various raw materials are put into a stirring main machine through an automatic metering and conveying device and are stirred for standby.
② An Mo A
The pre-assembled mold is mounted onto the cleaned countertop.
③ Binding of reinforcing steel bars
The method comprises the steps of binding a bottom stressed steel bar 3, binding X-direction rib beam longitudinal ribs and stirrups, binding Y-direction rib beam bottom ribs 10 and stirrups, binding an additional U-shaped opening hoop at a splicing position, placing a hanging hook, and setting foam filling at a position of a reserved hole 12.
④ Placing the filling body 8
The filling body 8 is placed on the prefabricated base plate 1 according to the designed cross section.
⑤ Pouring
And pouring the concrete in the mould distributing area of the production line mould by using a distributing machine.
⑥ Compaction
And using compaction equipment to compact the poured concrete one by one along the slab pouring area.
⑦ Curing
Covering the poured components with the tarpaulin along the production line by using a tarpaulin winding and unwinding machine, and starting a curing system to cure the components.
⑧ Form removal
After the maintenance of the components is finished, the awning cloth is retracted by an awning cloth retraction machine, and the mould pressing device are removed.
⑨ Demolding
And (5) using a crane and adopting a special lifting tool to carry out demolding lifting.
⑩ Plate starting number warehouse-in
The prefabricated assembled hollow floor system of the unidirectional rib beam is hoisted by adopting a special hoisting tool, and is specifically described as follows:
① Support arrangement
The floor slab can be provided with a full scaffold, and also can be provided with a tower type independent scaffold, and the scaffold is erected to ensure that the top beam is positioned on the same horizontal plane.
② Component hoisting
And (3) lifting the steel plate by adopting a special lifting appliance according to design requirements, wherein the number of lifting points is not less than nine.
③ Floor slab close splice
The floors are spliced in a close splicing mode, first a first plate is hoisted from the beam edge, then the first plate is hoisted in place in sequence, and the distance between the floors and the longitudinal and transverse alignment are adjusted.
④ Grouting of slab joints
And after the floor slab is hoisted in place, grouting material is adopted to perform crack pouring treatment on the splicing position of the floor slab.
⑤ Y-direction rib beam bottom rib 10 penetrating rib
The Y-direction rib bottom ribs 10 are arranged through the reserved holes 12.
⑥ Binding of reinforcing steel bars
According to the design drawing, binding the longitudinal ribs and stirrups of the cast-in-situ rib beam in the X direction at the spliced position, penetrating the ribs of the Y-direction rib beam top ribs 6, and binding the plate surface reinforcing steel bars.
⑦ Pouring
And pouring the concrete in the mould distributing area of the production line mould by using a distributing machine. And the spliced part is reinforced and vibrated, so that the compactness of the concrete is ensured.
⑧ Compaction
And using compaction equipment to compact the poured concrete one by one along the slab pouring area.
⑨ Curing
Covering the poured components with the tarpaulin along the production line by using a tarpaulin winding and unwinding machine, and starting a curing system to cure the components.
Only the plate face steel bars and the Y-direction rib beam longitudinal bars are bound on site, so that the on-site workload is greatly reduced, and the construction period is saved. And the floor slab calculation mode is the same as that of the cast-in-place concrete hollow floor slab, so that the method is applicable to buildings with high requirements on large span, large load and clearance, and has wide application range.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a prefabricated assembled hollow superstructure of one-way rib beam which characterized in that: comprising the following steps:
The column net is formed by splicing and combining a plurality of prefabricated bottom plates in a closely spliced mode, and stressed steel bars are bidirectionally prefabricated in the prefabricated bottom plates;
The prefabricated unidirectional rib beams are prefabricated on the prefabricated bottom plate along the X direction, the prefabricated unidirectional rib beams form a hollow layer support of the prefabricated floor of the hollow floor system, and holes are preset in the prefabricated unidirectional rib beams along the Y direction;
And the filling body is prefabricated on the prefabricated bottom plate.
2. The one-way ribbed precast fabricated hollow floor system of claim 1, wherein: the prefabricated unidirectional rib beam comprises a rib beam bottom rib, a rib beam top rib, a rib beam waist rib and a rib beam sealing stirrup, wherein the rib beam bottom rib is arranged below the stressed steel bar, the rib beam waist rib is arranged between the rib beam bottom rib and the rib beam top rib, and the rib beam sealing stirrup fixes the rib beam bottom rib, the rib beam top rib and the rib beam waist rib.
3. The one-way ribbed precast fabricated hollow floor system of claim 2, wherein: the splice of polylith prefabricated bottom plate is provided with prefabricated opening stirrup, prefabricated opening stirrup is fixed two adjacent rib roof beam bottom tendons, the filling body is located the outside of the prefabricated opening stirrup at both ends.
4. A prefabricated hollow building cover according to claim 3, wherein: the rib beam bottom ribs comprise X-direction rib beam bottom ribs arranged along the X direction and Y-direction rib beam bottom ribs arranged along the Y direction, and the Y-direction rib beam bottom ribs penetrate through the holes.
5. The one-way ribbed precast fabricated hollow floor system of claim 4, wherein: and binding the bottom rib, the top rib and the closed stirrup of the rib beam at the joint.
6. The one-way ribbed precast fabricated hollow floor system of claim 1, wherein: the connection position of the stress steel bars and the frame beam extends out of the prefabricated bottom plate and extends to the middle part of the frame beam.
7. The one-way ribbed precast fabricated hollow floor system of claim 1, wherein: the plate side of the prefabricated bottom plate is placed on the frame beam.
8. The one-way ribbed precast fabricated hollow floor system of claim 2, wherein: and a lifting hook is prefabricated on the prefabricated unidirectional rib beam.
9. The one-way ribbed precast fabricated hollow floor system of claim 2, wherein: and pouring the prefabricated unidirectional rib beam to the bottom of the upper plate.
10. The one-way ribbed precast fabricated hollow floor system of claim 4, wherein: the Y-direction rib beam longitudinal ribs are arranged through prefabricated unidirectional rib beam reserved holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322321491.7U CN221001581U (en) | 2023-08-28 | 2023-08-28 | Prefabricated assembled hollow floor system of unidirectional rib beam |
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CN202322321491.7U CN221001581U (en) | 2023-08-28 | 2023-08-28 | Prefabricated assembled hollow floor system of unidirectional rib beam |
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CN221001581U true CN221001581U (en) | 2024-05-24 |
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CN202322321491.7U Active CN221001581U (en) | 2023-08-28 | 2023-08-28 | Prefabricated assembled hollow floor system of unidirectional rib beam |
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- 2023-08-28 CN CN202322321491.7U patent/CN221001581U/en active Active
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