CN219952388U - Prefabricated floor - Google Patents
Prefabricated floor Download PDFInfo
- Publication number
- CN219952388U CN219952388U CN202320936987.2U CN202320936987U CN219952388U CN 219952388 U CN219952388 U CN 219952388U CN 202320936987 U CN202320936987 U CN 202320936987U CN 219952388 U CN219952388 U CN 219952388U
- Authority
- CN
- China
- Prior art keywords
- floor
- main body
- hooks
- precast
- floor slab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000002435 tendon Anatomy 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 description 10
- 210000003205 muscle Anatomy 0.000 description 7
- 239000002002 slurry Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000005945 translocation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
The utility model relates to the technical field of buildings, and provides a prefabricated floor slab, which comprises a floor slab main body, wherein a plurality of through holes are formed in the floor slab main body, and the through holes are arranged along the length direction of the floor slab main body; the upper stress ribs are distributed in the floor main body along the length direction of the floor main body; the lower stress tendons are distributed in the floor main body along the length direction of the floor main body, and the upper stress tendons and the lower stress tendons are respectively positioned at two sides of the thickness direction of the floor main body; the grooves are arranged on two sides of the width direction of the floor main body, the bottoms of the grooves are positioned on the upper parts of the lower stress ribs, and the grooves are used for connecting adjacent floor main bodies. The utility model can lighten the weight of the floor slab, save concrete, can be formed at one time, does not need to cast a layer of concrete on the prefabricated floor slab, and saves construction procedures. Adjacent precast floor slabs are connected through the grooves, so that the connection is firmer, and the integrity of the floor slabs is enhanced.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a prefabricated floor slab.
Background
In recent years, in order to improve the site construction efficiency, reduce the waste of building resources, reduce the implementation difficulty of safe civilized construction measures on the construction site, and greatly develop the assembled building. The development of the assembled building is not separated from the industrialized and standardized manufacturing of building products, the prefabricated floor slab used in the assembled building at present is a solid floor slab, after the prefabricated floor slab is paved, reinforcing steel bars are paved on the prefabricated floor slab, and then a layer of concrete is poured, and the whole floor slab is formed through maintenance. The method has the following defects: firstly, the weight reduction of the floor slab is not facilitated, and the bearing capacity burden of the beam and the column is increased; secondly, more construction procedures are needed, and concrete layers are required to be poured additionally; thirdly, the 'huzi muscle' is pre-buried in the prefabricated floor side for reinforcing the wholeness of prefabricated floor.
Disclosure of Invention
The utility model aims to solve the problems, and provides the prefabricated floor slab, which can reduce the weight of the floor slab, save concrete, simultaneously can be molded at one time, does not need to cast a layer of concrete on the prefabricated floor slab, and saves construction procedures. The adjacent prefabricated floor slabs are connected through the grooves, so that the connection is firmer, the integrity of the floor slabs is enhanced, and the technical scheme adopted by the utility model is as follows:
a precast floor slab, comprising:
the floor main body is provided with a plurality of through holes, and the through holes are arranged along the length direction of the floor main body;
the upper stress ribs are distributed in the floor main body along the length direction of the floor main body;
the lower stress tendons are distributed in the floor main body along the length direction of the floor main body, and the upper stress tendons and the lower stress tendons are respectively positioned at two sides of the thickness direction of the floor main body;
the grooves are arranged on two sides of the width direction of the floor main body, the bottoms of the grooves are positioned on the upper parts of the lower stress ribs, and the grooves are used for connecting adjacent floor main bodies.
Through the arrangement of the through holes, the weight of the floor slab can be reduced, and concrete can be saved. Meanwhile, the prefabricated floor slab can be directly used as a structural layer for practical use, a layer of concrete is not required to be poured on the prefabricated floor slab, and construction procedures are saved;
adjacent precast floor slabs are connected through the grooves, a 'huzi rib' is not required to be arranged on the side face of the precast floor slab, and the process of pouring the interval between the side faces of the adjacent precast floor slabs is saved.
In some embodiments, the side of the floor main body provided with the lower stress bar is provided with an extension section with a preset thickness along two ends of the length direction of the floor main body, and the extension section is provided with the lower stress bar.
Through setting up the extension, make precast floor slab both ends form the space of stepping down, the space of stepping down provides installation space and ensure that the reinforcing bar of two precast floor slab adjacent ends has effectual overlap joint length for the reinforcing bar of connecting two precast floor slab adjacent ends.
In some embodiments, two ends of the upper stress bar are exposed to the floor main body, and two ends of the upper stress bar are provided with hooks. By arranging the hooks, the connection between the adjacent ends of the two precast floor slabs can be enhanced.
In some embodiments, hooks at two ends of the upper stressed bar are oblique hooks;
and the two ends of the lower stress rib are respectively provided with a lap joint section extending along the length direction of the floor main body, and the lap joint sections are exposed out of the extension sections.
Through setting up oblique crotch and overlap joint section, can ensure the effective overlap joint of the reinforcing bar of two precast floor slab adjacent ends, oblique crotch can be connected with the main muscle of roof beam simultaneously, and overlap joint section can be connected with the stirrup of roof beam.
In some embodiments, hooks at two ends of the upper stressed bar are first straight hooks;
the two ends of the lower stress rib are provided with second straight hooks which are bent upwards, the second straight hooks are exposed out of the upper surface of the extension section, and the first straight hooks and the second straight hooks are connected with each other.
Through setting up first crotch and second crotch, strengthened the connection of upper portion atress muscle and lower part atress muscle, can promote the wholeness of monolithic prefabricated floor, make the reinforcing bar at prefabricated floor both ends be difficult for deformation or translocation simultaneously in transportation, handling in-process.
In some embodiments, two ends of the through hole are provided with plugging blocks, and the plugging blocks are used for plugging the through hole.
By arranging the plugging blocks at the two ends of the through holes, when the two ends of the precast floor slab are poured, concrete cannot flow into the through holes so that the weight of the floor slab is increased, and meanwhile, the pouring effect is guaranteed.
In some embodiments, at least a portion of the through holes are provided with fenestrations that are exposed at the upper surface of the floor slab body and communicate with the through holes.
Through setting up the windowing, for the shutoff of through-hole provides notes material mouth and shutoff material and places the mouth.
In some embodiments, two layers of distributing ribs are provided in the floor main body, the distributing ribs being arranged in the width direction of the floor main body and being located between the upper and lower stress ribs.
In some embodiments, the floor body is provided with lifting bars for lifting the precast floor slabs.
In some embodiments, the groove is lined with steel plate.
Through inside lining steel sheet in the recess, but the risk of recess destruction is greatly reduced, the stability of two prefabricated floor adjacent side connection is promoted.
The prefabricated floor slab provided by the utility model has at least the following beneficial effects:
1. according to the prefabricated floor slab, through the through holes, the weight of the floor slab can be reduced, and concrete is saved. Meanwhile, the prefabricated floor slab can be directly used as a structural layer for practical use, a layer of concrete is not required to be poured on the prefabricated floor slab, and construction procedures are saved;
2. according to the prefabricated floor slab, the adjacent prefabricated floor slabs are connected through the grooves, the 'Huzi ribs' are not required to be arranged on the side surfaces of the prefabricated floor slabs, and the process of pouring the intervals between the side surfaces of the adjacent prefabricated floor slabs is saved;
3. according to the prefabricated floor slab, the extension sections are arranged, so that the two ends of the prefabricated floor slab form the yielding space, the yielding space provides an installation space for connecting the reinforcing steel bars at the adjacent ends of the two prefabricated floor slabs, and the effective lap joint length of the reinforcing steel bars at the adjacent ends of the two prefabricated floor slabs is ensured;
4. according to the prefabricated floor slab, the hooks are arranged, so that the connection between the adjacent ends of the two prefabricated floor slabs can be enhanced;
5. according to the prefabricated floor slab, the oblique hooks and the lap joint sections are arranged, so that effective lap joint of the steel bars at the adjacent ends of the two prefabricated floor slabs can be guaranteed, the oblique hooks can be connected with the main bars of the beam, and the lap joint sections can be connected with the stirrups of the beam;
6. according to the prefabricated floor slab, the first straight hooks and the second straight hooks are arranged, so that the connection between the upper stressed bars and the lower stressed bars is enhanced, the integrity of the single prefabricated floor slab can be improved, and meanwhile, the steel bars at the two ends of the prefabricated floor slab are not easy to deform or shift in the transportation and lifting processes;
7. according to the prefabricated floor slab, the plugging blocks are arranged at the two ends of the through holes, so that concrete cannot flow into the through holes when the two ends of the prefabricated floor slab are poured, the weight of the floor slab is increased, and meanwhile, the pouring effect is ensured;
8. according to the prefabricated floor slab, the window is arranged, so that a material injection port and a plugging material placing port are provided for plugging the through hole;
9. according to the prefabricated floor slab, the steel plates are lined in the grooves, so that the risk of groove damage can be greatly reduced, and the stability of connection between the adjacent side surfaces of the two prefabricated floor slabs is improved.
Drawings
The above features, technical features, advantages and implementation manners of a transmission shaft supporting device and a photovoltaic bracket will be further described with reference to the accompanying drawings in a clearly understood manner:
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic overall structure of another embodiment of the present utility model;
FIG. 3 is a schematic overall structure of another embodiment of the present utility model;
FIG. 4 is a schematic plan view of a precast floor plank assembly of the present utility model;
FIG. 5 is a schematic plan view of another precast floor plank assembly of the present utility model;
FIG. 6 is a schematic view of a prefabricated floor panel assembly node of the present utility model;
FIG. 7 is a schematic view of another precast floor plank assembly node of the present utility model;
FIG. 8 is a schematic view of another precast floor plank assembly node of the present utility model;
FIG. 9 is a schematic diagram of a groove node in accordance with an embodiment of the present utility model.
Reference numerals illustrate:
floor main body 1, through hole 11, window 111, upper portion atress muscle 12, oblique crotch 121, first straight crotch 122, lower portion atress muscle 13, overlap joint section 131, second straight crotch 132, recess 14, steel sheet 141, extension 15, distributing rib 16, hanging rib 17, shutoff piece 2, reinforcing bar link 3.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5 and 9 of the drawings, the present utility model provides a prefabricated floor slab comprising: a floor main body 1 provided with a plurality of through holes 11, wherein the plurality of through holes 11 are arranged along the length direction of the floor main body 1;
a plurality of upper stress bars 12 distributed in the floor main body 1 along the length direction of the floor main body 1;
the lower stress ribs 13 are distributed in the floor main body 1 along the length direction of the floor main body 1, and the upper stress ribs 12 and the lower stress ribs 13 are respectively positioned at two sides of the floor main body 1 in the thickness direction;
and a plurality of grooves 14 are arranged on two sides of the floor slab main body 1 in the width direction, the bottoms of the grooves 14 are positioned on the upper parts of the lower stress ribs 13, and the grooves 14 are used for connecting adjacent floor slab main bodies 1.
In this embodiment, by providing the through holes 11, the floor weight can be reduced, and concrete can be saved. Meanwhile, the prefabricated floor slab can be directly used as a structural layer for practical use, a layer of concrete is not required to be poured on the prefabricated floor slab, and construction procedures are saved; adjacent precast floor slabs are connected through the grooves 14, and 'beard ribs' are not required to be arranged on the side surfaces of the precast floor slabs, so that the process of pouring the intervals between the side surfaces of the adjacent precast floor slabs is saved. It will be appreciated that the bottom of the groove 14 is located above the lower load-bearing bar 13 in order not to damage the lower load-bearing bar 13. The grooves 14 of two side-adjacent precast slabs correspond to each other and form a receiving groove, and the connection of the adjacent precast slabs is accomplished by pouring high-strength slurry into the receiving groove. In other embodiments, the grooves 14 are lined with steel plates 141, and the connection of adjacent precast slabs is accomplished by placing connectors in the grooves 14 that fit the shape of the grooves 14 and pouring a high strength slurry between the grooves 14 and the connectors. By lining the steel plates 141 in the grooves 14, the risk of damage to the grooves 14 can be greatly reduced, and the stability of connection between the adjacent sides of the two precast floor slabs can be improved.
Referring to fig. 6 to 8 of the drawings, it will be appreciated that in order to connect the prefabricated floors as a whole, concrete needs to be poured between adjacent sections of two prefabricated floors, and in order to prevent concrete from flowing into the through holes 11, and ensure pouring quality, both ends of the through holes 11 need to be plugged by using plugging blocks 2. However, in the case of connecting prefabricated floors by placing reinforcing bar connectors 3 in through holes 11 and pouring a slurry, it is not necessary to provide blocks 2 at both ends of the through holes 11.
Referring to fig. 1 to 3 of the drawings, it will be appreciated that in order to facilitate handling of prefabricated slabs, hanging bars 17 may be pre-embedded in the slab body 1. In order to reduce the cracking risk of the precast floor slab and enhance the integrity of the precast floor slab, two layers of distributing ribs 16 may be provided in the floor slab main body 1, and the distributing ribs 16 are arranged along the width direction of the floor slab main body 1 and located between the upper stress ribs 12 and the lower stress ribs 13.
Referring to fig. 1, 2, 4, 6 and 7 of the drawings, in one embodiment, the side of the floor main body 1 provided with the lower stress bar 13 is provided with an extension section 15 with a preset thickness along two ends of the length direction of the floor main body 1, and the extension section 15 is provided with the lower stress bar 13. Through setting up extension 15, make precast floor slab both ends form the space of stepping down, the space of stepping down provides installation space and ensure that the reinforcing bar of two precast floor slab adjacent ends has effectual overlap joint length for the reinforcing bar of connecting two precast floor slab adjacent ends.
Referring to figures 1, 2, 6 and 7 of the drawings, in one embodiment, the two ends of the upper load-bearing bar 12 are exposed to the floor main body 1, and the two ends of the upper load-bearing bar 12 are provided with hooks. By arranging the hooks, the connection between the adjacent ends of the two precast floor slabs can be enhanced.
Referring to fig. 1, 4 and 6 of the drawings, in one embodiment, the two ends of the lower stress bar 13 are respectively provided with a lap joint section 131 extending along the length direction of the floor slab main body 1, and the lap joint section 131 is exposed to the extension section 15. Through setting up oblique crotch 121 and overlap joint section 131, can ensure the effective overlap joint of the reinforcing bar of two precast floor slab adjacent ends, oblique crotch 121 can be connected with the main muscle of roof beam simultaneously, overlap joint section 131 can be connected with the stirrup of roof beam.
Referring to fig. 2 and 7 of the drawings, in one embodiment, hooks at both ends of the upper load-bearing rib 12 are first straight hooks 122; the two ends of the lower stress bar 13 are provided with second straight hooks 132 bent upwards, the second straight hooks 132 are exposed out of the upper surface of the extension section 15, and the first straight hooks 122 and the second straight hooks 132 are connected with each other.
In this embodiment, by setting the first straight hooks 122 and the second straight hooks 132, the connection between the upper stress bars 12 and the lower stress bars 13 is reinforced, so that the integrity of the single precast floor slab can be improved, and the steel bars at the two ends of the precast floor slab are not easy to deform or shift during transportation and lifting.
Referring to fig. 3, 5 and 8 of the drawings, in one embodiment, at least part of the through holes 11 are provided with windows 111, and the windows 111 are exposed from the upper surface of the floor main body 1 and communicate with the through holes 11.
In this embodiment, the through hole 11 provided with the window 111 is provided with the steel bar connecting frame 3, the connection of the adjacent ends of the two precast floor slabs is completed through the steel bar connecting frame 3, and the position of the through hole 11 where the steel bar connecting frame 3 is placed needs to be filled with slurry to connect the steel bar connecting frame 3 with the precast floor slabs. To prevent the slurry from being poured into other positions of the through hole 11, the through hole 11 needs to be plugged by the window 111.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A precast floor slab, comprising:
the floor main body is provided with a plurality of through holes, and the through holes are arranged along the length direction of the floor main body;
the upper stress ribs are distributed in the floor main body along the length direction of the floor main body;
the lower stress tendons are distributed in the floor main body along the length direction of the floor main body, and the upper stress tendons and the lower stress tendons are respectively positioned at two sides of the thickness direction of the floor main body;
the grooves are arranged on two sides of the width direction of the floor main body, the bottoms of the grooves are positioned on the upper parts of the lower stress ribs, and the grooves are used for connecting adjacent floor main bodies.
2. A precast floor plank according to claim 1, wherein one side of the floor plank body provided with the lower stress bar is provided with an extension section of a preset thickness along both ends of the floor plank body in the length direction, and the extension section is provided with the lower stress bar.
3. A precast floor plank according to claim 2, wherein both ends of the upper stress bar are exposed to the floor plank body, and both ends of the upper stress bar are provided with hooks.
4. A precast floor slab according to claim 3, wherein hooks at both ends of the upper stress bar are inclined hooks;
and the two ends of the lower stress rib are respectively provided with a lap joint section extending along the length direction of the floor main body, and the lap joint sections are exposed out of the extension sections.
5. A precast floor plank according to claim 3, wherein hooks at both ends of the upper stress bar are first straight hooks;
the two ends of the lower stress rib are provided with second straight hooks which are bent upwards, the second straight hooks are exposed out of the upper surface of the extension section, and the first straight hooks and the second straight hooks are connected with each other.
6. A prefabricated floor according to claim 2, wherein two ends of the through hole are provided with plugging blocks for plugging the through hole.
7. A precast floor plank according to claim 1, wherein at least part of the through holes are provided with fenestrations which are exposed at the upper surface of the floor plank body and communicate with the through holes.
8. A precast floor plank according to claim 1, wherein two layers of distributing ribs are provided in the floor plank body, the distributing ribs being arranged in the width direction of the floor plank body and being located between the upper and lower stressing ribs.
9. A precast floor plank according to any one of claims 1 to 8, wherein the floor plank body is provided with lifting bars for lifting the precast floor plank.
10. A precast floor plank in accordance with claim 9 wherein the groove is lined with steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320936987.2U CN219952388U (en) | 2023-04-24 | 2023-04-24 | Prefabricated floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320936987.2U CN219952388U (en) | 2023-04-24 | 2023-04-24 | Prefabricated floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219952388U true CN219952388U (en) | 2023-11-03 |
Family
ID=88546644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320936987.2U Active CN219952388U (en) | 2023-04-24 | 2023-04-24 | Prefabricated floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219952388U (en) |
-
2023
- 2023-04-24 CN CN202320936987.2U patent/CN219952388U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107387117B (en) | Prefabricated tunnel structure with tunnel bottom and construction method thereof | |
| CN111779160A (en) | Prestress assembly type concrete shear wall system and construction method thereof | |
| CN108301545A (en) | A kind of big module overlapping contignation of the assembled with space truss temporary support | |
| CN110005109A (en) | A kind of open flume type prestressed concrete overlapped slab | |
| CN201087489Y (en) | Prefabricated floor | |
| CN107905426B (en) | Construction method of bidirectional hollow composite floor slab | |
| CN212670968U (en) | Composite floor and building | |
| CN219952388U (en) | Prefabricated floor | |
| CN218345930U (en) | Bridge structure | |
| CN215290896U (en) | Composite floor slab with detachable additional rigidity device | |
| CN212772979U (en) | Prestress assembly type shear wall system | |
| CN212715463U (en) | Assembled wall body | |
| CN113123504A (en) | Laminated floor slab with detachable additional rigidity device | |
| CN113482219A (en) | Assembly type disassembly-free floor bearing plate | |
| CN210597875U (en) | Cross beam | |
| CN211286164U (en) | Self-compaction regeneration block concrete superimposed shear wall | |
| CN101487309A (en) | Precast slab for cast-in-situ floor and its construction method | |
| CN111139955A (en) | Shear wall with transverse rib laminated wallboard and construction method thereof | |
| CN213417567U (en) | Bridge deck plate structure of groove-shaped composite beam | |
| CN110843095A (en) | Concrete box mould, manufacturing method thereof and mould-dismantling-free building method | |
| CN100489245C (en) | Laminated inverted T-shaped board | |
| CN219343709U (en) | Three-dimensional space net rack superimposed sheet | |
| CN217811855U (en) | Assembly type disassembly-free floor bearing plate | |
| CN215290902U (en) | Reinforced composite floor slab with pre-buried connecting pieces | |
| CN219343535U (en) | Connection structure of prefabricated shear wall and superimposed sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |