CN212295249U - Assembled floor and assembled floor piece structure - Google Patents
Assembled floor and assembled floor piece structure Download PDFInfo
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- CN212295249U CN212295249U CN201921716480.6U CN201921716480U CN212295249U CN 212295249 U CN212295249 U CN 212295249U CN 201921716480 U CN201921716480 U CN 201921716480U CN 212295249 U CN212295249 U CN 212295249U
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Abstract
The utility model discloses an assembled floor, assembled floor are prefabricated floor, and at least one end is provided with leads to long step form breach, and step form breach department is provided with and exempts from form removal and structure muscle, exempts from the form removal and hugs closely in step form breach's vertical terminal surface, and structure muscle one end anchor is in prefabricated floor concrete, and the other end passes exempts from the form removal and arranges in step form breach. The utility model also discloses an assembled floor piece structure, the step form breach concatenation of two adjacent assembled floors of placing forms the groove of shearing, and the inslot that shears is equipped with to attach the muscle and pours cast in situ concrete. Through exempting from the form removal in step form breach department setting, act as local template during production, need not the desorption, improve production efficiency, guarantee the intensity of step form breach department simultaneously. The step-shaped gaps of the two assembled floor slabs are horizontally spliced to form the shear grooves, the additional ribs are arranged in the shear grooves, cast-in-place concrete is poured in the shear grooves to connect the two assembled floor slabs together, and the shear resistance and integrity of the floor slabs are improved.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, specifically speaking, the utility model relates to an assembly type floor and assembly type floor piece structure.
Background
In the assembly and construction industry, parts of prefabricated components are produced in factories and then assembled on construction sites. The method has the advantages of standardized production in factories, controllable quality, high efficiency, rapidness, material conservation and no waste, can improve the construction efficiency, improve the use repetition rate of the template, reduce the environmental pollution and ensure the safety of the building quality. At present, in the prior art, the floor slab and the floor slab joint are mainly processed in several ways: (1) the composite floor slabs are produced in a factory, namely, a lower prefabricated layer is produced, then the prefabricated layer is poured to a cast-in-place layer of an upper layer in a cast-in-place mode, and adjacent floor slabs are connected into a whole through cast-in-place layer concrete; (2) producing fully prefabricated floor slabs in a factory, wherein the floor slabs are lapped on wall boards or beams during site construction, adjacent floor slabs are closely spliced, spliced joints between the floor slabs are covered by slurry, or two floor slabs are connected by bolts, and the shearing resistance between the floor slabs depends on the friction force of a contact surface and the shearing resistance of the high-strength bolts; (3) the hollow floor slab is superposed, the prefabricated layer of the lower layer is produced in a factory, the prefabricated layer is placed on the beam in the construction site, the hollow box is placed at the top of the prefabricated layer, finally, cast-in-place layer concrete is poured, and the two floor slabs are connected through the cast-in-place concrete.
In the above schemes, the lower prefabricated layer of the composite floor slab has a small thickness, so that the composite floor slab is easy to crack during hoisting, the concrete pouring amount is large during site construction, and a large number of supporting pieces are needed below the composite floor slab. For the fully prefabricated floor slabs, reliable connection is not formed between the adjacent floor slabs, but the pressure born between the adjacent floor slabs is not completely the same, so that the transmission of shearing force between the adjacent floor slabs is not facilitated, and particularly, when the pressure difference born between the adjacent floor slabs is large, cracks are generated on the splicing surfaces of the floor slabs, so that the attractiveness is influenced, and the water leakage phenomenon can be caused; when adjacent floor slabs are connected by bolts, if no pressure exists between the floor slabs and the friction force is zero, only the high-strength bolts shear, the shear-resistant bearing capacity is not strong, and the guarantee is difficult to obtain. For laminated hollow floor slabs, which are mainly used in cases where the thickness is thick and weight reduction is required, they are not commonly used in prefabricated houses.
In summary, there is a need to develop an assembly floor and an assembly floor joint structure, which can improve the production efficiency of the floor in a factory, reduce the labor intensity and the operation amount of workers in a construction site, and improve the fault tolerance of the site construction, so as to overcome the corresponding problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides an assembled floor and assembled floor piece structure to overcome the floor production that exists among the prior art and the corresponding problem that exists at the job site.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides an assembled floor, assembled floor is prefabricated floor, and at least one end is provided with leads to long step form breach, step form breach department is provided with exempts from form removal and structure muscle, exempt from form removal hug closely in the vertical terminal surface of step form breach, structure muscle one end anchor in among the prefabricated floor concrete, the other end passes exempt from form removal and arrange in the step form breach. The detachment-free mold is arranged at the step-shaped notch, concrete is poured during production, the detachment-free mold can serve as a local template, when the concrete and the detachment-free mold are anchored together, the detachment-free mold does not need to be removed during demolding, and the production efficiency is improved; the structural bar is horizontally arranged on the detachment-free formwork, one end of the structural bar is anchored in concrete of the prefabricated floor slab, and the other end of the structural bar penetrates through the detachment-free formwork and is arranged in the step-shaped notch, so that the structural bar is convenient to install during production.
Further, the structural ribs and the disassembly-free mold are assembled into a module, so that the whole disassembly-free mold with the structural ribs is placed on the bench mold during production, the production flow is simplified, and the production efficiency is improved.
Further, the structural rib is an open or closed annular stirrup, and the closed end of the annular stirrup is arranged in the step-shaped notch. This improves the anchoring of the structural bars in the cast-in-place concrete at the step-like indentation.
Furthermore, the bottom plate concrete of the step-shaped notch is also pre-embedded with a corrugated reinforcing steel bar, the corrugated reinforcing steel bar comprises a plurality of protruding parts, and the protruding parts are exposed out of the bottom plate concrete and are arranged in the step-shaped notch. Through setting up the wave form reinforcing bar, link together the precast concrete of step form breach bottom plate and the cast in situ concrete above it, improve the wholeness and the intensity of assembled floor.
Further, the corrugated reinforcing steel bar is formed by bending a through long reinforcing steel bar. Adopt a continuous logical long muscle to buckle into the wave form reinforcing bar, can increase the atress performance of coincide floor, can improve the efficiency of construction simultaneously.
Furthermore, the distribution direction of the corrugated reinforcing steel bars is consistent with that of the bottom bars pre-embedded in the fabricated floor slab.
Furthermore, the vertical end face of the step-shaped notch is a slope face. The non-dismantling die is tightly attached to the slope surface. The arrangement can avoid the crack caused by the over-strong local compressive stress of the vertical end surface of the step-shaped notch.
Further, a lower layer steel bar net piece and an upper layer steel bar net piece are anchored in the prefabricated floor slab, and the end part of the lower layer steel bar net piece is anchored in the bottom slab concrete with the step-shaped notch. The bottom plate with the step-shaped notch and the main concrete of the prefabricated floor slab are combined into a whole through the lower layer reinforcing mesh.
Furthermore, the detachment-free mold is composed of a steel mesh surface which is densely and porous. The steel mesh surface is provided with a plurality of through holes, so that the air-permeable and water-permeable floor slab has a good air-permeable function, a non-dismantling mold is used as a vertical end surface external template with a step-shaped notch during production of the floor slab, poured concrete is combined with the non-dismantling mold, the through holes can exhaust air well, and concrete mortar permeates to an interface through meshes to form a rough interface with good shearing resistance, so that when cast-in-place concrete with the step-shaped notch is poured, the cast-in-place concrete and the precast concrete can be combined together better, and the integrity of the assembled floor slab is improved; the steel mesh surface is adopted as the form-detaching-free surface, the installation is simple, the material cost is low, the material cannot be aged, the deformation is not easy to deform, the construction efficiency can be greatly improved, meanwhile, the bonding performance of the steel mesh surface and concrete is good, and the structural performance of the laminated floor slab is effectively improved.
Furthermore, reinforcing ribs are arranged on the non-dismantling die and serve as supporting frameworks of the steel mesh surface to improve the compression resistance and the bending resistance of the non-dismantling die. So set up, can improve the resistance to deformation ability of exempting from to tear open the mould greatly, exempt from to tear open the mould when preventing to pour concrete and collapse the deformation to improve the concrete strength of assembled floor step form breach department.
Furthermore, the stiffening rib includes a plurality of V type ribs, V type rib with the integrative stamping forming of steel mesh face, be equipped with the protruding punching a hole in a plurality of edges on the steel mesh face. So set up, exempt from the tear-off die and easily the shaping, the bellied binding force between steel mesh face and concrete material is favorable to strengthening in edge simultaneously punching a hole.
The utility model also provides an assembled floor piece structure, including two at least foretell assembled floors, the step form breach concatenation of two adjacent assembled floors of placing forms the groove that shears, the inslot that shears is equipped with attaches the muscle, attach the step form breach that the muscle spanes two assembled floors, the inslot that shears pours cast in situ concrete, attach the muscle and stretch out to the equal anchor of the interior structure muscle of step form breach is in the cast in situ concrete. In this scheme, the step form breach level concatenation of two assembled floors forms the groove that shears, the inslot that shears has additional muscle to connect the structure muscle that adjacent floor stretches out, cast-in-place concrete links together two assembled floors in the groove that shears, the steadiness of the piece structure of this kind of floor is good, through attaching the effectual transmission horizontal shear force of muscle and step form breach cast-in-place concrete and the pulling force between floor and the floor between the floor, make the concrete pressurized, the reinforcing bar is drawn, the tensile performance of full play reinforcing bar and the compressive property of concrete, can improve the shear resistance of floor greatly, can also improve the floor wholeness.
Further, the additional ribs are closed stirrups. Therefore, the anchoring force of the cast-in-place concrete in the additional ribs and the shear grooves can be improved.
Furthermore, through long ribs parallel to the precast floor slab are arranged in the crossed space of the structural ribs and the additional ribs. Through can further improve the joint strength between concrete in the shear groove and the precast floor slab like this, improve the wholeness of assembled floor slab.
Further, the convex parts of the corrugated reinforcing steel bars of the two fabricated floor slabs are opposite to each other. The arrangement is carried out, so that the stress between two adjacent prefabricated floor slabs is balanced.
The technical scheme of the utility model the beneficial technological effect who gains is:
1. exempt from the form removal through setting up in step form breach department, can act as local template when production, need not the desorption during the drawing of patterns, improve production efficiency, guarantee the intensity of step form breach department simultaneously.
2. The step-shaped gaps of the two assembled floors are horizontally spliced to form the shear grooves, the additional ribs are arranged in the shear grooves, cast-in-place concrete is poured in the shear grooves to connect the two assembled floors together, the horizontal shear force and the tensile force between the floors are effectively transmitted between the floors through the additional ribs and the step-shaped gaps, so that the concrete is pressed, the reinforcing steel bars are pulled, the tensile property of the reinforcing steel bars and the compression resistance of the concrete are fully exerted, the shear resistance of the floors can be greatly improved, and the integrity of the floors can be improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a vertical sectional view of a fabricated floor slab in embodiment 1;
FIG. 2 is a schematic view showing a corrugated reinforcing bar anchored at a stepped gap of the fabricated floor slab in example 1;
fig. 3 is a vertical sectional view of a fabricated floor slab splice in example 2 (additional ribs and through-length ribs are not shown);
FIG. 4 is a schematic view showing additional reinforcing bars placed in shear grooves of a fabricated floor slab splice in example 2;
FIG. 5 is a plan view of fabricated floor panels in accordance with example 2;
FIG. 6 is a schematic perspective view of a fabricated floor panel joint according to example 2;
FIG. 7 is a schematic view of another corrugated reinforcing bar anchored at a stepped gap of the fabricated floor slab in example 1;
reference numerals: 1-fabricated floor slab, 2-step-shaped gap, 3-form removal free, 4-structural rib, 5-waveform reinforcing steel bar, 7-upper layer reinforcing steel bar net piece, 8-lower layer reinforcing steel bar net piece, 9-shear groove, 10-additional rib, 11-through long rib and 12-lifting appliance.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to the schematic diagram 1, the assembled floor slab is a prefabricated floor slab, at least one end of the assembled floor slab is provided with a through long step-shaped notch, the step-shaped notch is provided with a detachment-free mold and a structural rib, the detachment-free mold is tightly attached to the vertical end face of the step-shaped notch, one end of the structural rib is anchored in the prefabricated floor slab concrete, and the other end of the structural rib penetrates through the detachment-free mold and is arranged in the step-shaped notch.
On the basis of the embodiment, as an improvement, in another embodiment, the structural ribs and the non-dismantling mold are assembled into a module, and the arrangement is that the whole non-dismantling mold with the structural ribs is placed on the table mold during production, so that the production flow is simplified, and the production efficiency is improved.
On the basis of the above embodiment, as an improvement, in another embodiment, the structural rib is an open or closed annular stirrup, and the closed end of the annular stirrup is placed in the step-shaped notch.
On the basis of the above embodiment, as an improvement, in another embodiment, the bottom plate concrete of the step-shaped notch is also embedded with a corrugated reinforcing steel bar, the corrugated reinforcing steel bar includes a plurality of raised portions, and the raised portions are exposed out of the bottom plate concrete and placed in the step-shaped notch. The wave form reinforcing bar includes pre-buried portion and bellying, and the bellying can be arc or closed angle or linear type, and the bellying that refers to fig. 2 is arc or closed angle, and the bellying that refers to fig. 7 is the linear type, is parallel arrangement each other between bellying and the pre-buried portion.
Referring to fig. 2, on the basis of the above embodiment, as a modification, in another embodiment, the corrugated reinforcing steel bar is formed by bending a full length bar.
On the basis of the embodiment, as an improvement, in another embodiment, the distribution direction of the corrugated reinforcing steel bars is consistent with that of the bottom bars pre-embedded in the fabricated floor slab. Because the setting direction of the bottom rib is parallel to the direction of the step-shaped notch, the wave-shaped reinforcing steel bar is also parallel to the step-shaped notch, and a plurality of convex parts of the wave-shaped reinforcing steel bar are respectively exposed out of the step-shaped notch.
On the basis of the above embodiment, as a modification, in another embodiment, as shown in fig. 1, the vertical end surface of the step-shaped notch is a slope surface. The non-dismantling die is tightly attached to the slope surface.
Referring to fig. 1, on the basis of the above embodiment, as an improvement, in another embodiment, a lower layer steel bar mesh and an upper layer steel bar mesh are anchored in the prefabricated floor slab, and the end part of the lower layer steel bar mesh is anchored in the bottom slab concrete with a step-shaped notch.
On the basis of the above embodiment, as an improvement, in another embodiment, the detachment-free mold is composed of a steel mesh surface with dense pores. In another improved embodiment, the non-dismantling mold is provided with reinforcing ribs which are used as supporting frameworks of the steel mesh surface to improve the compression resistance and the folding resistance of the non-dismantling mold. The reinforcing rib comprises a plurality of V-shaped ribs, the V-shaped ribs and the steel mesh surface are integrally formed in a punching mode, and a plurality of punched holes with protruding edges are formed in the steel mesh surface.
Example 2
Referring to fig. 3 to 6, the fabricated floor splicing structure of the embodiment includes at least two fabricated floors described in embodiment 1, step-shaped gaps of two adjacent fabricated floors are spliced to form a shear groove, additional ribs are disposed in the shear groove, the additional ribs span the step-shaped gaps of the two fabricated floors, cast-in-place concrete is poured into the shear groove, and the additional ribs and structural ribs extending into the step-shaped gaps are anchored in the cast-in-place concrete.
Referring to fig. 4, on the basis of the above embodiment, as a modification, in another embodiment, the additional rib is a closed stirrup. Therefore, the anchoring force of the cast-in-place concrete in the additional ribs and the shear grooves can be improved.
Referring to fig. 6, in addition to the above embodiment, as a modification, in another embodiment, through-length ribs parallel to the precast floor slabs are provided in the spaces where the structural ribs and the additional ribs intersect.
Referring to fig. 6, in addition to the above embodiment, as a modification, in another embodiment, the raised portions of the corrugated reinforcing bars of two fabricated floor slabs are parallel and opposite to each other.
Referring to the attached drawings 3-6, the construction steps of the fabricated floor splicing seam structure of the scheme are briefly described:
1. firstly, hoisting a first floor slab and placing the first floor slab at a specified position, hoisting a second floor slab and placing the second floor slab at the specified position, wherein the bottom plates of the step-shaped gaps of the two floor slabs are opposite, and the two step-shaped gaps are spliced to form a shear groove;
2. placing a plurality of additional ribs in the shear grooves, and overlapping or binding the additional ribs with the structural ribs extending out of the two floor slabs;
3. placing through long ribs in the space where the additional ribs and the structural ribs of each floor slab are crossed;
4. and pouring cast-in-place concrete in the shear groove, and curing and forming.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an assembled floor, its characterized in that, assembled floor is prefabricated floor, and at least one end is provided with the step form breach that leads to the length, step form breach department is provided with exempts from form removal and structure muscle, exempt from form removal hug closely in the vertical terminal surface of step form breach, structure muscle one end anchor in among the prefabricated floor concrete, the other end passes exempt from form removal and arrange in the step form breach.
2. The fabricated floor of claim 1, wherein the bottom plate concrete of the stepped notch is embedded with corrugated reinforcing bars, and the corrugated reinforcing bars comprise a plurality of raised portions, and the raised portions are exposed from the bottom plate concrete and placed in the stepped notch.
3. The fabricated floor of claim 2, wherein the corrugated reinforcing bars are formed by bending through-length bars.
4. The fabricated floor of claim 3, wherein the vertical end surface of the stepped notch is a sloped surface.
5. The fabricated floor of claim 4, wherein lower and upper layers of rebar mesh are anchored within the precast floor, ends of the lower layer of rebar mesh being anchored in the stepped notched floor slab concrete.
6. An assembled floor slab as claimed in claim 1, wherein the form-free is formed from a porous dense steel mesh surface.
7. An assembled floor splicing structure, characterized by comprising at least two assembled floors as claimed in any one of claims 1 to 6, wherein the step-shaped gaps of two adjacent assembled floors are spliced to form a shear groove, an additional rib is arranged in the shear groove, the additional rib spans the step-shaped gaps of the two assembled floors, cast-in-place concrete is poured in the shear groove, and the additional rib and the structural rib extending into the step-shaped gap are anchored in the cast-in-place concrete.
8. The fabricated floor slab joint structure of claim 7, wherein the additional rib is a closed stirrup.
9. The fabricated floor slab joint structure according to claim 7, wherein a through-length rib parallel to the precast floor slab is provided in a space where the structural rib and the additional rib intersect.
10. The fabricated floor slab joint structure according to claim 7, wherein the protrusions of the wave-shaped reinforcing bars of two fabricated floors are opposed to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716480.6U CN212295249U (en) | 2019-10-14 | 2019-10-14 | Assembled floor and assembled floor piece structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716480.6U CN212295249U (en) | 2019-10-14 | 2019-10-14 | Assembled floor and assembled floor piece structure |
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| Publication Number | Publication Date |
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| CN212295249U true CN212295249U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921716480.6U Active CN212295249U (en) | 2019-10-14 | 2019-10-14 | Assembled floor and assembled floor piece structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691382A (en) * | 2018-07-05 | 2018-10-23 | 中国建筑标准设计研究院有限公司 | Pin-connected panel precast floor slab and its construction method |
-
2019
- 2019-10-14 CN CN201921716480.6U patent/CN212295249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691382A (en) * | 2018-07-05 | 2018-10-23 | 中国建筑标准设计研究院有限公司 | Pin-connected panel precast floor slab and its construction method |
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Address after: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee after: Zhuyou Zhizao Technology Industry Group Co.,Ltd. Address before: 10 Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province Patentee before: Zhongmin zhuyou Technology Industry Co.,Ltd. |
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Effective date of registration: 20220110 Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co.,Ltd. Address before: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee before: Zhuyou Zhizao Technology Industry Group Co.,Ltd. |
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