CN213174395U - Full-prefabricated assembly box cavity floor slab, combined structure thereof and combined structure of beam and combined structure - Google Patents
Full-prefabricated assembly box cavity floor slab, combined structure thereof and combined structure of beam and combined structure Download PDFInfo
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- CN213174395U CN213174395U CN202020906426.4U CN202020906426U CN213174395U CN 213174395 U CN213174395 U CN 213174395U CN 202020906426 U CN202020906426 U CN 202020906426U CN 213174395 U CN213174395 U CN 213174395U
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Abstract
The utility model discloses a full-prefabricated assembly box cavity floor, its integrated configuration and integrated configuration with roof beam, full-prefabricated assembly box cavity floor includes the template, concrete layer and the first U-shaped steel muscle of pouring the template wholly, the template includes a cavity structure and two second steel sheets that enclose by four first steel sheets interconnect two by two, the last side and the lower side of first steel sheet all correspond and have seted up a plurality of recesses, the second steel sheet sets up respectively in the below of the recess of last side and the top of the recess of lower side, and enclose into a hollow box with the cavity structure; the first U-shaped steel bars are downwards opened and clamped in the grooves of the four upper sides which are parallel in pairs, the first U-shaped steel bars are upwards opened and clamped in the grooves of the four lower sides which are parallel in pairs, and the first U-shaped steel bars are mutually vertically crossed to form a net structure; the concrete layer is poured in the box body with the opening. The floor matter is light in this application is difficult for collapsing, and pours the back wholeness strong.
Description
Technical Field
The utility model relates to a prefabricated assembly type structure field especially relates to a full prefabricated assembly box cavity floor, integrated configuration and integrated configuration with roof beam thereof.
Background
The prefabricated concrete structure has the advantages of high construction speed, energy conservation, environmental protection, small field wet operation amount and the like, and is rapidly developed in China in recent years. Floors are important building blocks of fabricated concrete structures. However, the conventional common floor slab has heavy weight, is easy to collapse under horizontal force, has poor ductility and is easy to generate brittle failure. Therefore, the assembled cavity floor slab is newly introduced in the market at present, and compared with the traditional floor slab, the assembled cavity floor slab has the advantages of light weight and good heat insulation performance. The existing assembly type cavity floor slabs have the problems that the in-situ pouring wet operation is less, and the two assembly type cavity floor slabs after being demoulded are connected and poured a small amount of time by abutting against the reinforcing steel bars during assembly, so that the integrity is poor after assembly.
Therefore, the design of the fabricated cavity floor which is light in weight, not easy to collapse and has good integrity after being assembled becomes an urgent need in the field of fabricated buildings at present.
SUMMERY OF THE UTILITY MODEL
This application is through providing a prefabricated assembly box cavity floor entirely, its integrated configuration and the integrated configuration of roof beam for solve among the prior art problem that ordinary floor weight is big easily collapsed, also in order to solve the relatively poor problem of present assembled cavity floor wholeness simultaneously.
The application provides a fully-prefabricated assembly box cavity floor slab, which comprises a template, a concrete layer and a plurality of first U-shaped steel bars, wherein the concrete layer and the first U-shaped steel bars are integrally poured on the template, the template comprises a cavity structure formed by connecting four first steel plates in pairs, the direction of connection of the two first steel plates is defined as the vertical direction, a plurality of upward grooves are formed in the upper side edges of the first steel plates, a plurality of downward grooves are formed in the lower side edges of the first steel plates corresponding to the upward grooves, the template further comprises two second steel plates, the second steel plates are respectively arranged below the upward grooves and above the downward grooves, and the second steel plates and the cavity structure form a hollow closed box body and two box bodies, wherein each box body is provided with an opening on one side; the first U-shaped steel bars are respectively matched with the upward grooves and the downward grooves, the openings of the first U-shaped steel bars face downward and are clamped in the upward grooves of the four parallel upper side edges in pairs, and the first U-shaped steel bars are mutually vertically crossed to form a net structure; the openings of the first U-shaped steel bars are upwards clamped in downward grooves of four corresponding parallel lower side edges in pairs, and the first U-shaped steel bars are mutually vertically crossed to form a net structure; and the concrete layers are respectively poured in the box body with an opening on one side surface.
This application encloses into a hollow closed box and two and have side opening box through enclosing with four first steel sheets and two second steel sheets, at the parallel last side of opening box and a plurality of first U-shaped reinforcing bars of downside joint, the concrete is pour first U-shaped reinforcing bar in the opening box together. First, this application has designed a cavity floor, has alleviateed floor weight, has good thermal-insulated heat preservation performance. The first U-shaped steel bar is clamped on the upper side edge and the lower side edge of the opening box body which are parallel correspondingly, so that the integrity of the concrete and the template is enhanced; simultaneously first U-shaped reinforcing bar both sides bending part all is located the outside of floor, and when two prefabricated assembly box cavity floor subassemblies were assembled entirely, adjacent first U-shaped reinforcing bar both sides bending part can correspond the dislocation overlap joint, and under the condition of pouring a small amount of concrete, the design of first U-shaped reinforcing bar has improved the stability and the wholeness that two prefabricated assembly box cavity floor subassemblies were connected entirely again in this application.
Furthermore, this application design block is in the ascending recess two tip of first U-shaped reinforcing bar and corresponding block in the recess down two tip of first U-shaped reinforcing bar are connected through the sleeve respectively, all form the U-shaped structure at first steel sheet for the lateral surface of cavity structure, the U-shaped structure opening is towards first steel sheet. The design closed U-shaped structure compares in the bending part of two independent first U-shaped reinforcing bars, has further strengthened stability and the wholeness of full prefabricated assembly box cavity floor with the outside.
Furthermore, the upper side edge of the first steel plate is correspondingly connected with first steel bars, and every two first steel bars are connected with each other; the lower side of each first steel plate is correspondingly connected with a second steel bar, and every two second steel bars are connected with each other; the first steel plate, the first steel bar and the second steel bar are positioned on the same plane; the thickness of the full prefabricated assembly box cavity floor slab is the same as the distance from the upper side edge of the first steel bar to the lower side edge of the second steel bar.
This application is through connecting first billet and second billet respectively at the last side of first steel sheet and downside, increased the thickness of full prefabricated assembly box cavity floor thickness especially concrete has further increased the intensity of full prefabricated assembly box cavity floor.
Further, this application design is still including fixed billet, first mounting hole has been seted up respectively to the last side and the lower side of first steel sheet, seted up corresponding second mounting hole on first billet and the second billet, fixed billet and first mounting hole, second mounting hole looks adaptation, a part of fixed billet sets up in first mounting hole, and the rest of fixed billet sets up in the second mounting hole.
This application utilizes first mounting hole, second mounting hole and fixed billet through the design to install first billet and second billet detachable on first steel sheet, and easy dismounting is swift, and after the concrete of pouring reached anticipated intensity, can demolish first billet and second billet back reuse, has practiced thrift the material and the cost of floor.
Further, this application has still designed a integrated configuration of prefabricated assembly case cavity floor entirely, including being no less than two foretell prefabricated assembly case cavity floor entirely and rib reinforcing bar, two liang of levels of prefabricated assembly case cavity floor entirely are placed relatively, and two prefabricated assembly case cavity floors entirely are adjacent U-shaped structure dislocation overlap joint forms a plurality of closed hoops together, rib reinforcing bar runs through all closed hoops and ties up together with closed hoop, is provided with cast-in-place layer in the concatenation gap of two prefabricated assembly case cavity floors entirely.
This application forms a plurality of closed hoops through overlapping two adjacent U-shaped structures of prefabricated assembly box cavity floor dislocation together, runs through all closed hoops with a plurality of close rib reinforcing bar and ties up together with closed hoop, then pours the cast-in-place layer of concrete again in the concatenation gap of two prefabricated assembly box cavity floors, has strengthened steadiness and the wholeness of connecting between the prefabricated assembly box cavity floor entirely.
Furthermore, the application also designs a combined structure of the fully-prefabricated assembly box cavity floor slab and the beam, which comprises the two fully-prefabricated assembly box cavity floor slabs, a middle beam and multi-ribbed steel bars, wherein second U-shaped steel bars corresponding to the U-shaped structures are arranged on two side surfaces of the middle beam; the two fully-prefabricated assembly box cavity floor slabs are respectively placed on the opposite sides of the two side faces of the middle beam, the U-shaped structures and the second U-shaped steel bars are correspondingly staggered and overlapped to form a plurality of closed hoops, the ribbed steel bars penetrate through all the closed hoops and are bound together with the closed hoops, and cast-in-place layers are arranged in splicing seams of the two fully-prefabricated assembly box cavity floor slabs and the middle beam.
This application is through setting up the second U-shaped reinforcing bar corresponding with the U-shaped structure in well roof beam both sides, the second U-shaped reinforcing bar that will set up well roof beam both sides forms a plurality of closed hoops with the U-shaped structure dislocation overlap joint of two prefabricated assembly box cavity floor slabs respectively together, run through all closed hoops with a plurality of close rib reinforcing bar and tie up with closed hoop together, then pour the cast-in-place layer of concrete in the concatenation gap of two prefabricated assembly box cavity floor slabs and well roof beam again, the steadiness and the wholeness of being connected between prefabricated assembly box cavity floor slab and the well roof beam have been strengthened.
Furthermore, the application also designs a combined structure of the fully-prefabricated assembly box cavity floor slab and the beam, which comprises the fully-prefabricated assembly box cavity floor slab, the edge beam and the ribbed steel bars, wherein one side surface of the edge beam is provided with a second U-shaped steel bar corresponding to the U-shaped structure; the fully-prefabricated assembly box cavity floor slab is placed opposite to the side face of the side beam, the U-shaped structures and the second U-shaped steel bars are correspondingly staggered and overlapped together to form a plurality of closed hoops, the ribbed steel bars penetrate through all the closed hoops and are bound together with the closed hoops, and a cast-in-place layer is arranged in a splicing seam of the fully-prefabricated assembly box cavity floor slab and the side beam.
This application is through setting up the second U-shaped reinforcing bar corresponding with the U-shaped structure in boundary beam side, with the second U-shaped reinforcing bar of boundary beam one side and the U-shaped structure dislocation overlap joint of prefabricated assembly box cavity floor slab entirely form a plurality of closed hoops together, run through a plurality of close rib reinforcing bars all closed hoops and tie up with closed hoops together, then pour the cast-in-place layer of concrete in the concatenation gap of prefabricated assembly box cavity floor slab entirely with the boundary beam again, the steadiness and the wholeness of being connected between prefabricated assembly box cavity floor slab entirely and the boundary beam have been strengthened.
Advantageous effects
The application provides a prefabricated assembly box cavity floor slab entirely, its integrated configuration and integrated configuration with the roof beam thereof, has effectively solved the big problem that easily collapses of ordinary floor slab weight among the prior art at present, has also solved the relatively poor problem of present assembled cavity floor slab wholeness simultaneously. Thereby achieving the following technical effects:
1. enclose into a hollow closed box and two through first steel sheet and second steel sheet in this application and have side opening box to at the last side of opening box and a plurality of first U-shaped reinforcing bars of side joint down, the concrete is pour first U-shaped reinforcing bar in the opening box together. A cavity floor slab is designed, the weight of the floor slab is reduced, and the floor slab has good heat insulation performance.
2. This application has strengthened the wholeness of concrete and template through with first U-shaped reinforcing bar block at the parallel last side and the downside limit of correspondence of opening box.
3. This application is through setting up the outside that first U-shaped reinforcing bar both sides bending part all is located the floor and through the muffjoint connection one-tenth U-shaped structure, when two prefabricated assembly box cavity floor assembles entirely, adjacent U-shaped structure can correspond the dislocation overlap joint, under the condition of pouring a small amount of concrete, has improved the stability and the wholeness that two prefabricated assembly box cavity floor connect entirely.
4. This application is through setting up second U-shaped reinforcing bar on well roof beam and boundary beam, and the U-shaped structure of second U-shaped reinforcing bar and floor corresponds the dislocation overlap joint, under the condition of pouring a small amount of concrete, has improved stability and wholeness that full precast assembly box cavity floor is connected with the roof beam.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a fully prefabricated assembly box cavity floor slab before pouring in the application;
FIG. 2 is a schematic diagram of a fully prefabricated assembly box cavity floor slab after pouring in the application;
FIG. 3 is a schematic view of the connection of two fully prefabricated assembly box cavity floor slabs in the present application;
FIG. 4 is a schematic view of the connection completion of two fully prefabricated assembly box cavity floor slabs in the present application;
FIG. 5 is a schematic view of a center sill of the present application;
FIG. 6 is a schematic view of the connection between the floor slab and the boundary beam of the fully prefabricated assembly box cavity in the present application;
FIG. 7 is a schematic diagram of the completion of pouring of a full precast fabricated box cavity floor slab and a boundary beam in the application;
FIG. 8 is a schematic view of an edge rail according to the present application;
FIG. 9 is a schematic view of the connection between the floor slab and the side beam of the fully prefabricated assembly box cavity in the present application;
FIG. 10 is the completion schematic diagram of the pouring of the full precast fabricated box cavity floor slab and the boundary beam in the application.
1. A first steel plate; 2. a second steel plate; 3. a first U-shaped reinforcement bar; 4. a concrete layer; 5. a sleeve; 6. A first steel strip; 7. a second steel strip; 8. fixing the steel bar; 9. ribbed steel bars; 10. a middle beam; 11. a second U-shaped reinforcing bar; 12. a boundary beam; 13. and (6) casting a layer in situ.
Detailed Description
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily defined to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
For solving the big problem that easily collapses of ordinary floor weight among the prior art at present, also in order to solve the relatively poor problem of present assembled cavity floor wholeness simultaneously, this application provides a prefabricated assembly box cavity floor entirely, integrated configuration and the integrated configuration of roof beam thereof, prefabricated assembly box cavity floor entirely encloses into a hollow closed box and two have side opening box through first steel sheet 1 and second steel sheet 2 to at a plurality of first U-shaped reinforcing bars 3 of the last side and the downside block of opening box, the concrete is pour first U-shaped reinforcing bar 3 in the opening box together. The design of the cavity floor slab realizes the purpose of reducing the weight of the floor slab; when the floor slab is installed, the first U-shaped steel bars 3 extend out of the box body, and the bent parts on the two sides of the box body are in staggered lap joint and concrete is poured, so that the connection stability and integrity between the floor slab or between the floor slab and the beam are improved.
In specific implementation, as shown in fig. 1, the application provides a fully-prefabricated assembly box cavity floor slab, which comprises a template, a concrete layer 4 and a plurality of first U-shaped steel bars 3, wherein the concrete layer 4 and the first U-shaped steel bars 3 are integrally poured on the template, the template comprises a cavity structure formed by connecting four first steel plates 1 in pairs, the direction in which the two first steel plates 1 are connected is defined as the vertical direction, a plurality of upward grooves are formed in the upper side edges of the first steel plates 1, a plurality of downward grooves are formed in the positions, corresponding to the upward grooves, of the lower side edges of the first steel plates 1, the template further comprises two second steel plates 2, the second steel plates 2 are respectively arranged below the upward grooves and above the downward grooves, and the second steel plates and the cavity structure form a hollow closed box body and two box bodies with openings on one side; the first U-shaped steel bars 3 are respectively matched with the upward grooves and the downward grooves, the openings of the first U-shaped steel bars 3 face downward and are clamped in the upward grooves of the four parallel upper side edges in pairs, and the first U-shaped steel bars 3 are mutually vertically crossed to form a net structure; the openings of the first U-shaped steel bars 3 are upwards clamped in downward grooves of four parallel lower side edges in pairs, and the first U-shaped steel bars 3 are mutually vertically crossed to form a net structure; and the concrete layers 4 are respectively poured in the box body with an opening on one side surface.
This application encloses into a hollow closed box and two and have side opening box through enclosing with four first steel sheet 1 and two second steel sheet 2, at the parallel last side of opening box and a plurality of first U-shaped reinforcing bars 3 of downside card, the concrete is pour first U-shaped reinforcing bar 3 in the opening box together. First, this application has designed a cavity floor, has alleviateed floor weight, has good thermal-insulated heat preservation performance. The first U-shaped steel bar 3 is clamped on the upper side edge and the lower side edge of the opening box body which are parallel correspondingly, so that the integrity of concrete and the template is enhanced; simultaneously 3 both sides kinks of first U-shaped reinforcing bar part all are located the outside of floor, and when two prefabricated assembly box cavity floor subassemblies were assembled completely, the 3 both sides kinks of adjacent first U-shaped reinforcing bar part can correspond the dislocation overlap joint, and under the condition of pouring a small amount of concrete, the design of first U-shaped reinforcing bar 3 has improved the stability and the wholeness that two prefabricated assembly box cavity floor subassemblies were connected again in this application.
In specific implementation, as shown in fig. 2, the two ends of the first U-shaped steel bar 3 clamped in the upward groove and the two ends of the first U-shaped steel bar 3 correspondingly clamped in the downward groove are connected through the sleeve 5, a U-shaped structure is formed on the outer side surface of the first steel plate 1 relative to the cavity structure, and the opening of the U-shaped structure faces the first steel plate 1. The design of the closed U-shaped structure further enhances the stability and the integrity of the fully prefabricated assembly box cavity floor slab and the outside compared with the bent parts of the two independent first U-shaped steel bars 3.
In specific implementation, as shown in fig. 1, in the present application, the upper side of the first steel plate 1 is correspondingly connected with first steel bars 6, and every two first steel bars 6 are connected with each other; the lower side edges of the first steel plates 1 are correspondingly connected with second steel bars 7, and every two of the second steel bars 7 are mutually connected; the first steel plate 1, the first steel bar 6 and the second steel bar 7 are positioned on the same plane; the thickness of the fully prefabricated assembly box cavity floor slab is the same as the distance from the upper side edge of the first steel bar 6 to the lower side edge of the second steel bar 7.
This application is through connecting first billet 6 and second billet 7 respectively at first steel sheet 1's last side and downside, increased the thickness of prefabricated assembly box cavity floor slab thickness especially concrete has further increased the intensity of prefabricated assembly box cavity floor slab entirely.
During the concrete implementation, as shown in fig. 1, this application design still includes fixed billet 8, first mounting hole has been seted up respectively to the last side of first steel sheet 1 and downside, seted up corresponding second mounting hole on first billet 6 and the second billet 7, fixed billet 8 and first mounting hole, second mounting hole looks adaptation, a part of fixed billet 8 sets up in first mounting hole, and the remainder of fixed billet 8 sets up in the second mounting hole.
This application utilizes first mounting hole, second mounting hole and fixed billet 8 to install first billet 6 and 7 detachable of second billet on first steel sheet 1 through the design, and easy dismounting is swift, and after the concrete of pouring reached anticipated intensity, can demolish first billet 6 and second billet 7 and recycle, has practiced thrift the material and the cost of floor.
During specific implementation, as shown in fig. 3-4, the application also designs a composite structure of the fully prefabricated assembly box cavity floor slab, which comprises at least two fully prefabricated assembly box cavity floor slabs and ribbed steel bars 9, wherein every two fully prefabricated assembly box cavity floor slabs are horizontally and oppositely arranged, two fully prefabricated assembly box cavity floor slabs are adjacent, the U-shaped structures are staggered and overlapped to form a plurality of closed hoops, the ribbed steel bars 9 penetrate through all the closed hoops and are bound together with the closed hoops, and cast-in-place layers 13 are arranged in splicing gaps of the two fully prefabricated assembly box cavity floor slabs.
This application forms a plurality of closed hoops through overlapping two adjacent U-shaped structures of prefabricated assembly box cavity floor dislocation together, runs through all closed hoops with a plurality of ribbed steel bar 9 and ties up together with closed hoop, then pours cast-in-place layer of concrete 13 in the concatenation gap of two prefabricated assembly box cavity floors entirely again, has strengthened the steadiness and the wholeness of connecting between the prefabricated assembly box cavity floor entirely.
In specific implementation, as shown in fig. 5-7, the application further designs a composite structure of a fully-prefabricated assembly box cavity floor slab and a beam, which comprises two fully-prefabricated assembly box cavity floor slabs, a middle beam 10 and multi-ribbed steel bars 9, wherein two side surfaces of the middle beam 10 are provided with second U-shaped steel bars 11 corresponding to the U-shaped structures; the two fully-prefabricated assembly box cavity floor slabs are respectively placed on the opposite sides of the two side faces of the middle beam 10, the U-shaped structures and the second U-shaped steel bars 11 are correspondingly staggered and overlapped to form a plurality of closed hoops, the ribbed steel bars 9 penetrate through all the closed hoops and are bound together with the closed hoops, and cast-in-place layers 13 are arranged in splicing seams of the two fully-prefabricated assembly box cavity floor slabs and the middle beam 10.
This application is through setting up the second U-shaped reinforcing bar 11 corresponding with the U-shaped structure in well roof beam 10 both sides, the second U-shaped reinforcing bar 11 that will set up in well roof beam 10 both sides forms a plurality of closed hoops with the U-shaped structure dislocation overlap joint of two prefabricated assembly box cavity floor slabs respectively together, run through all closed hoops and tie up with closed hoops with a plurality of ribbed steel bar 9 and be in the same place, then pour cast-in-place layer of concrete 13 in the concatenation gap of two prefabricated assembly box cavity floor slabs and well roof beam 10 again, the steadiness and the wholeness of being connected between prefabricated assembly box cavity floor slab and well roof beam 10 entirely have been strengthened.
In specific implementation, as shown in fig. 8-10, the application further designs a composite structure of a fully-prefabricated assembly box cavity floor slab and a beam, which comprises the fully-prefabricated assembly box cavity floor slab, a boundary beam 12 and multi-ribbed steel bars 9, wherein a second U-shaped steel bar 11 corresponding to the U-shaped structure is arranged on one side surface of the boundary beam 12; the fully-prefabricated assembly box cavity floor slab is placed on the opposite side of the side face of the boundary beam 12, the U-shaped structures and the second U-shaped steel bars 11 are correspondingly staggered and overlapped to form a plurality of closed hoops, the ribbed steel bars 9 penetrate through all the closed hoops and are bound together with the closed hoops, and a cast-in-place layer 13 is arranged in a splicing seam of the fully-prefabricated assembly box cavity floor slab and the boundary beam 12.
This application is through setting up the second U-shaped reinforcing bar 11 corresponding with the U-shaped structure in boundary beam 12 one side, with the second U-shaped reinforcing bar 11 of boundary beam 12 one side and the U-shaped structure dislocation overlap joint of prefabricated assembly box cavity floor slab entirely form a plurality of closed hoops together, run through all closed hoops with a plurality of close rib reinforcing bar 9 and tie up together with closed hoops, then pour cast-in-place layer of concrete 13 in the concatenation gap of prefabricated assembly box cavity floor slab entirely with boundary beam 12 again, the steadiness and the wholeness of being connected between prefabricated assembly box cavity floor slab entirely and boundary beam 12 have been strengthened.
It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise.
Claims (7)
1. The utility model provides a prefabricated assembly case cavity floor entirely, its characterized in that: the formwork comprises a formwork, a concrete layer and a plurality of first U-shaped steel bars, wherein the concrete layer and the first U-shaped steel bars are integrally poured on the formwork, the formwork comprises a cavity structure formed by connecting four first steel plates in pairs, the direction of connection of the two first steel plates is defined as the vertical direction, a plurality of upward grooves are formed in the upper side edges of the first steel plates, a plurality of downward grooves are formed in the lower side edges of the first steel plates corresponding to the upward grooves, the formwork further comprises two second steel plates, the second steel plates are respectively arranged below the upward grooves and above the downward grooves, and the second steel plates and the cavity structure form a hollow closed box body and two box bodies with one side surface opening;
the first U-shaped steel bars are respectively matched with the upward grooves and the downward grooves, the openings of the first U-shaped steel bars face downward and are clamped in the upward grooves of the four parallel upper side edges in pairs, and the first U-shaped steel bars are mutually vertically crossed to form a net structure; the openings of the first U-shaped steel bars are upwards clamped in downward grooves of four corresponding parallel lower side edges in pairs, and the first U-shaped steel bars are mutually vertically crossed to form a net structure;
and the concrete layers are respectively poured in the box body with an opening on one side surface.
2. The fully precast assembled box cavity floor slab of claim 1, wherein: the two ends of the first U-shaped steel bar clamped in the upward groove and the two ends of the first U-shaped steel bar correspondingly clamped in the downward groove are respectively connected through a sleeve, U-shaped structures are formed on the outer side faces, opposite to the cavity structures, of the four first steel plates, and the openings of the U-shaped structures face the first steel plates.
3. The fully precast assembled box cavity floor slab of claim 2, wherein: the upper side of each first steel plate is correspondingly connected with a first steel bar, and every two first steel bars are connected with each other; the lower side of each first steel plate is correspondingly connected with a second steel bar, and every two second steel bars are connected with each other; the first steel plate, the first steel bar and the second steel bar are positioned on the same plane;
the thickness of the full prefabricated assembly box cavity floor slab is the same as the distance from the upper side edge of the first steel bar to the lower side edge of the second steel bar.
4. A fully precast fabricated box cavity floor as recited in claim 3, wherein: still including fixed billet, first mounting hole has been seted up respectively to the last side and the lower side of first steel sheet, seted up corresponding second mounting hole on first billet and the second billet, fixed billet and first mounting hole, second mounting hole looks adaptation, a part of fixed billet sets up in first mounting hole, and the remainder of fixed billet sets up in the second mounting hole.
5. The utility model provides a composite structure of prefabricated assembly box cavity floor entirely, its characterized in that: the prefabricated assembly box cavity floor slab comprises not less than two fully prefabricated assembly box cavity floor slabs and ribbed steel bars according to any one of claims 2 to 4, wherein every two fully prefabricated assembly box cavity floor slabs are horizontally arranged oppositely, the adjacent U-shaped structures of the two fully prefabricated assembly box cavity floor slabs are in staggered overlapping connection to form a plurality of closed hoops, the ribbed steel bars penetrate through all the closed hoops and are bound together with the closed hoops, and cast-in-situ layers are arranged in splicing gaps of the two fully prefabricated assembly box cavity floor slabs.
6. The utility model provides a composite structure of prefabricated assembly box cavity floor and roof beam entirely which characterized in that: the prefabricated assembly box hollow cavity floor slab comprises two fully prefabricated assembly box hollow cavity floor slabs, a middle beam and multi-ribbed steel bars according to any one of claims 2 to 4, wherein two side surfaces of the middle beam are provided with second U-shaped steel bars matched with U-shaped structures;
the two fully-prefabricated assembly box cavity floor slabs are respectively placed on the opposite sides of the two side faces of the middle beam, the U-shaped structures and the second U-shaped steel bars are correspondingly staggered and overlapped to form a plurality of closed hoops, the ribbed steel bars penetrate through all the closed hoops and are bound together with the closed hoops, and cast-in-place layers are arranged in splicing seams of the two fully-prefabricated assembly box cavity floor slabs and the middle beam.
7. The utility model provides a composite structure of prefabricated assembly box cavity floor and roof beam entirely which characterized in that: the prefabricated assembly box hollow cavity floor slab comprises a fully prefabricated assembly box hollow cavity floor slab as claimed in any one of claims 2 to 4, a side beam and ribbed steel bars, wherein a second U-shaped steel bar matched with a U-shaped structure is arranged on one side face of the side beam;
the fully-prefabricated assembly box cavity floor slab is placed opposite to the side face of the side beam, the U-shaped structures and the second U-shaped steel bars are correspondingly staggered and overlapped together to form a plurality of closed hoops, the ribbed steel bars penetrate through all the closed hoops and are bound together with the closed hoops, and a cast-in-place layer is arranged in a splicing seam of the fully-prefabricated assembly box cavity floor slab and the side beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020906426.4U CN213174395U (en) | 2020-05-26 | 2020-05-26 | Full-prefabricated assembly box cavity floor slab, combined structure thereof and combined structure of beam and combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020906426.4U CN213174395U (en) | 2020-05-26 | 2020-05-26 | Full-prefabricated assembly box cavity floor slab, combined structure thereof and combined structure of beam and combined structure |
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| CN213174395U true CN213174395U (en) | 2021-05-11 |
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2020
- 2020-05-26 CN CN202020906426.4U patent/CN213174395U/en active Active
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Address after: 221011 west of Jinpeng car industry and north of Xuzhou Avenue, Xuzhou Industrial Park, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Ruizhu Zhugong Technology Co.,Ltd. Address before: 221011 west of Jinpeng car industry and north of Xuzhou Avenue, Xuzhou Industrial Park, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Liancheng Housing Industry Technology Development Co.,Ltd. |
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Effective date of registration: 20230710 Address after: 519000 Office 02, No. 55 Fulin Road, Hengqin New District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Ruizhu Construction Technology Co.,Ltd. Address before: 221011 west of Jinpeng car industry and north of Xuzhou Avenue, Xuzhou Industrial Park, Xuzhou City, Jiangsu Province Patentee before: Jiangsu Ruizhu Zhugong Technology Co.,Ltd. |
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