CN113047494A - Precast concrete superimposed sheet - Google Patents
Precast concrete superimposed sheet Download PDFInfo
- Publication number
- CN113047494A CN113047494A CN202110237934.7A CN202110237934A CN113047494A CN 113047494 A CN113047494 A CN 113047494A CN 202110237934 A CN202110237934 A CN 202110237934A CN 113047494 A CN113047494 A CN 113047494A
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- CN
- China
- Prior art keywords
- reinforcing
- plate body
- ribs
- truss
- parallel
- 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.)
- Pending
Links
- 239000011178 precast concrete Substances 0.000 title claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920006327 polystyrene foam Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 abstract 5
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a precast concrete composite slab, which comprises a cuboid plate body, wherein reinforcing grooves are arranged on the upper end surface of the plate body in parallel, dovetail grooves are transversely arranged on the two end surfaces of the plate body, which are perpendicular to the reinforcing grooves, the cross section of each reinforcing groove is in an inverted T shape, and truss steel bar groups are arranged in the reinforcing grooves; the truss reinforcement group is including setting up muscle and drawknot muscle, and the setting of setting up the muscle vertically, and the setting up muscle bottom is equipped with the crooked end of reinforcement, and inside the crooked end of reinforcement stretched into the plate body, the drawknot muscle was on a parallel with the plate body setting. Compared with the prior art, the invention has the advantages that: the structure is clear, the use is convenient, a template can be saved when the floor slab is used, and the combination of a post-cast concrete layer and a prefabricated member layer is firm due to the design of the truss rigid entering group and the reinforcing groove; the lightweight filler makes the whole member lighter in weight; the truss steel bar group can be directly used for hoisting, the hidden beam is additionally provided with the reinforcing ribs to improve the tensile, compressive and bending resistance, and the truss steel bar group is stable in structure and quick and convenient to construct. Has strong practicability and market popularization value.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a precast concrete composite slab.
Background
With the progress of the vigorous development of the assembly type building in China, the prefabricated parts are more valued and applied, and the prefabricated parts have an indispensable position in the assembly process. The existing fabricated building has the following problems: the accuracy of the prefabricated components is not enough, so that the components are difficult to assemble on a construction site, need to be adjusted for the second time, and are time-consuming and labor-consuming; the self weight of the prefabricated component is the same as that of a cast-in-place component, and the hoisting is difficult; in recent years, a composite slab combining a prefabricated part with cast-in-place construction appears, and the condition that the connection between secondary pouring and the original prefabricated part is not firm and even cracks appears occurs. Therefore, in order to solve the above problems, a precast concrete composite slab is in need of research.
Disclosure of Invention
The present invention has been made to solve the problems mentioned in the background art, and an object of the present invention is to provide a precast concrete composite slab.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a precast concrete composite slab comprises a cuboid plate body, wherein reinforcing grooves are formed in the upper end face of the plate body in parallel, dovetail grooves are transversely formed in the two end faces, perpendicular to the reinforcing grooves, of the plate body, the cross section of each reinforcing groove is in an inverted T shape, and truss steel bar groups are arranged in the reinforcing grooves;
the truss reinforcement group comprises a vertical rib and a tie rib, the vertical rib is longitudinally arranged, the bottom of the vertical rib is provided with a reinforcing bent end, the reinforcing bent end extends into the plate body, and the tie rib is arranged in parallel with the plate body and is fixedly connected with the top of the vertical rib;
the board body is provided with a plurality of filling areas and concrete hidden beams, the concrete hidden beams are arranged in two vertical axial directions, reinforcing ribs are arranged in the concrete hidden beams, the reinforcing ribs parallel to the dovetail grooves extend out of two ends of the board body, and light fillers are arranged in the filling areas;
the top and the bottom of the board body are both provided with a steel wire mesh and stress bars, the stress bars are criss-cross to form a grid shape and parallel to the stress bars of the dovetail grooves extend out of the two ends of the board body, and the stress bars are located between the steel wire mesh and the filling area.
As a preferred scheme, the connection mode of the frame vertical ribs and the tie ribs is one of binding connection and welding.
As a preferable scheme, the material of the light filler is one of polystyrene foam, polyester foam, ceramsite concrete, mineral wool and aerated concrete.
As a preferred scheme, the erection ribs, the tie ribs and the stress ribs are hot-rolled ribbed three-grade steel.
Compared with the prior art, the invention has the advantages that: the structure is clear, the use is convenient, a template can be saved when the floor slab is used, and the combination of a post-cast concrete layer and a prefabricated member layer is firm due to the design of the truss rigid entering group and the reinforcing groove; the lightweight filler makes the whole member lighter in weight; the truss steel bar group can be directly used for hoisting, the hidden beam is additionally provided with the reinforcing ribs to improve the tensile, compressive and bending resistance, and the truss steel bar group is stable in structure and quick and convenient to construct. Has strong practicability and market popularization value.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a rebar and filling area layout of the present invention.
Fig. 4 is a cross-sectional view of the present invention.
Fig. 5 is a partial enlarged view of a in fig. 1 according to the present invention.
As shown in the figure: 1. the concrete reinforcing plate comprises a plate body, 2, a reinforcing groove, 3, a dovetail groove, 4, a truss steel bar group, 5, a filling area, 6, a concrete hidden beam, 7, reinforcing ribs, 8, a steel wire mesh, 9, stress bars, 401, erection bars, 402, tie bars, 403, a reinforcing bent end, 501 and light filler.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the resulting manner or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or point connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With the combination of the attached drawings, the precast concrete composite slab comprises a cuboid plate body 1, wherein a reinforcing groove 2 is arranged on the upper end surface of the plate body 1 in parallel, dovetail grooves 3 are transversely arranged on two end surfaces of the plate body 1, which are perpendicular to the reinforcing groove 2, the section of the reinforcing groove 2 is in an inverted T shape, and a truss steel bar group 4 is arranged in the reinforcing groove 2;
the truss reinforcement group 4 comprises a vertical rib 401 and a tie rib 402, the vertical rib 401 is longitudinally arranged, the bottom of the vertical rib 401 is provided with a reinforcing bent end 403, the reinforcing bent end 403 extends into the plate body 1, and the tie rib 402 is arranged in parallel to the plate body 1 and is fixedly connected with the top of the vertical rib 401;
the plate body 1 is provided with a plurality of filling areas 5 and concrete hidden beams 6, the concrete hidden beams 6 are arranged in two vertical axial directions, reinforcing ribs 7 are arranged in the concrete hidden beams 6, the reinforcing ribs 7 parallel to the dovetail grooves 3 extend out of two ends of the plate body 1, and light fillers 501 are arranged in the filling areas 5;
the top and the bottom of the plate body 1 are provided with a steel wire mesh sheet 8 and stress bars 9, the stress bars 9 are criss-cross to form a grid shape and parallel to the stress bars 9 of the dovetail grooves 3 extend out of the two ends of the plate body 1, and the stress bars 9 are located between the steel wire mesh sheet 8 and the filling area 5.
The connection mode of the vertical ribs 401 and the tie ribs 402 is one of binding connection and welding.
The material of the light filler 501 is one of polystyrene foam, polyester foam, ceramsite concrete, mineral wool and aerated concrete.
The erection bars 401, the tie bars 402 and the stress bars 9 are all hot-rolled ribbed three-level steel.
When the method is specifically implemented, the frame vertical bars are used as hanging rings, the integral laminated slabs are hoisted to a required position by using vertical hoisting equipment such as a crane and a tower crane, dovetail grooves of adjacent laminated slabs are aligned, and concrete is filled into the laminated slabs after the combined members such as the steel bars are inserted, so that the combination is tight; and then, reinforcing steel bars, steel wire meshes, carbon fiber cloth and other stress accessories are directly bound on the laminated slab, and the slab is directly poured. The step of supporting the template is saved, the whole dead weight of the floor plate is reduced, optimization is performed from the aspects of people, materials, machines and the like, the construction period progress is accelerated, the accuracy of the assembly type building is improved, and the assembly type building is more favorable for development and popularization of the assembly type building.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a precast concrete superimposed sheet, includes the plate body of cuboid, its characterized in that: the upper end face of the plate body is provided with a reinforcing groove in parallel, dovetail grooves are transversely formed in the two end faces, perpendicular to the reinforcing groove, of the plate body, the section of the reinforcing groove is in an inverted T shape, and a truss steel bar group is arranged in the reinforcing groove;
the truss reinforcement group comprises a vertical rib and a tie rib, the vertical rib is longitudinally arranged, the bottom of the vertical rib is provided with a reinforcing bent end, the reinforcing bent end extends into the plate body, and the tie rib is arranged in parallel with the plate body and is fixedly connected with the top of the vertical rib;
the board body is provided with a plurality of filling areas and concrete stiffening ribs, the concrete stiffening ribs are arranged in two vertical axial directions, reinforcing ribs are arranged in the concrete stiffening ribs, the reinforcing ribs parallel to the dovetail grooves extend out of two ends of the board body, and light fillers are arranged in the filling areas;
the top and the bottom of the board body are both provided with a steel wire mesh and stress bars, the stress bars are criss-cross to form a grid shape and parallel to the stress bars of the dovetail grooves extend out of the two ends of the board body, and the stress bars are located between the steel wire mesh and the filling area.
2. A precast concrete composite slab according to claim 1, wherein: the connection mode of the frame vertical ribs and the tie ribs is one of binding connection and welding.
3. A precast concrete composite slab according to claim 1, wherein: the light filler is made of one of polystyrene foam, polyester foam, ceramsite concrete, mineral wool and aerated concrete.
4. A precast concrete composite slab according to claim 1, wherein: the frame vertical ribs, the tie ribs and the stress ribs are hot-rolled ribbed three-grade steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237934.7A CN113047494A (en) | 2021-03-04 | 2021-03-04 | Precast concrete superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237934.7A CN113047494A (en) | 2021-03-04 | 2021-03-04 | Precast concrete superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113047494A true CN113047494A (en) | 2021-06-29 |
Family
ID=76509727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110237934.7A Pending CN113047494A (en) | 2021-03-04 | 2021-03-04 | Precast concrete superimposed sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113047494A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114669A (en) * | 2013-03-13 | 2013-05-22 | 宝钢建筑系统集成有限公司 | Ribbed steel bar truss concrete superimposed sheet and construction method thereof |
| US20150145156A1 (en) * | 2012-05-08 | 2015-05-28 | Kunshan Ecological Building Technology Co., Ltd. | Method of casting in-situ ferrocement ribbed slab with spliced rack and suspended formwork |
| CN107989247A (en) * | 2017-12-19 | 2018-05-04 | 广东省建筑设计研究院 | A kind of assembled overlapped hollow floor system and its construction method |
| CN208396111U (en) * | 2018-07-11 | 2019-01-18 | 湖北宇辉中工建筑产业化有限公司 | The hollow laminated floor slab of large span with truss bars |
| CN111851827A (en) * | 2020-06-30 | 2020-10-30 | 天津竟盛新型建材有限公司 | A prefabricated prefabricated steel truss free formwork system and its manufacturing method |
-
2021
- 2021-03-04 CN CN202110237934.7A patent/CN113047494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150145156A1 (en) * | 2012-05-08 | 2015-05-28 | Kunshan Ecological Building Technology Co., Ltd. | Method of casting in-situ ferrocement ribbed slab with spliced rack and suspended formwork |
| CN103114669A (en) * | 2013-03-13 | 2013-05-22 | 宝钢建筑系统集成有限公司 | Ribbed steel bar truss concrete superimposed sheet and construction method thereof |
| CN107989247A (en) * | 2017-12-19 | 2018-05-04 | 广东省建筑设计研究院 | A kind of assembled overlapped hollow floor system and its construction method |
| CN208396111U (en) * | 2018-07-11 | 2019-01-18 | 湖北宇辉中工建筑产业化有限公司 | The hollow laminated floor slab of large span with truss bars |
| CN111851827A (en) * | 2020-06-30 | 2020-10-30 | 天津竟盛新型建材有限公司 | A prefabricated prefabricated steel truss free formwork system and its manufacturing method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210629 |
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| RJ01 | Rejection of invention patent application after publication |