CN210606311U - Truss reinforced concrete superimposed sheet model - Google Patents
Truss reinforced concrete superimposed sheet model Download PDFInfo
- Publication number
- CN210606311U CN210606311U CN201921319090.5U CN201921319090U CN210606311U CN 210606311 U CN210606311 U CN 210606311U CN 201921319090 U CN201921319090 U CN 201921319090U CN 210606311 U CN210606311 U CN 210606311U
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- China
- Prior art keywords
- bottom plate
- steel bars
- reinforced concrete
- pterygoid lamina
- reinforcing bar
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Abstract
The utility model discloses a truss reinforced concrete composite slab model, which comprises a superposed layer, a second bottom plate and a first bottom plate, wherein the superposed layer is a cast concrete slab, superposed layer steel bars are embedded in the superposed layer, the second bottom plate and the first bottom plate are both prefabricated concrete slabs, trusses and bottom plate steel bars are embedded in the second bottom plate and the first bottom plate, the trusses are positioned at one side of the bottom plate steel bars, the trusses are composed of upper chord steel bars, lower chord steel bars and web member steel bars, the second bottom plate and the first bottom plate are fixedly connected through casting of the superposed layer, the utility model is provided with lower chord steel bars, longitudinal connecting steel bars, transverse connecting steel bars and connecting steps, when the bottom plates are connected, the extended lower chord steel bars are wound on the longitudinal connecting steel bars, thereby avoiding the extending part of the lower chord steel bars from influencing the connection, thereby reducing the connection difficulty of the bottom plate.
Description
Technical Field
The utility model belongs to the technical field of the superimposed sheet, concretely relates to truss reinforced concrete superimposed sheet model.
Background
The laminated slab is an assembled integral floor slab formed by laminating a prefabricated slab and a cast-in-place reinforced concrete layer, and is effectively suitable for high-rise buildings and large-bay buildings with higher integral rigidity requirements, the existing laminated slab is provided with side ribs on four sides due to the embedding of internal reinforcing steel bars in the production process, so that the operation of the laminated slab is more complicated when in connection and positioning, a teaching model taking the existing laminated slab as a prototype is provided in the Chinese utility model with the patent number of CN207690339U, the integral structure of the teaching model is the same as that of the existing laminated slab, in addition, in the Chinese utility model with the patent number of CN206428872U, a close-spliced seam-type laminated slab is provided, the laminated slab is spliced by adopting a spiral stirrup restraining mode, but the connection mode provided by the laminated slab needs to pre-embed spiral stirrups in grooves of the prefabricated slab, on one hand, the complexity of the prefabricated slab in the production process is increased, the production degree of the prefabricated slab is more complex, the number of the ribs on the side of the prefabricated slab is increased on the other hand, in addition, when the existing laminated slab is connected in a pouring mode, a certain supporting structure is generally required to be adopted to support the joint of the two bottom plates, and in the pouring process, the concrete and the supporting structure are often condensed, so that the structural strength of the joint is reduced due to the fact that the joint of the bottom plates is damaged when the supporting structure is subsequently dismantled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a truss reinforced concrete superimposed sheet model to there is the side to go out the muscle in the side of solving current superimposed sheet and leads to its production and connection process comparatively complicated and the bearing structure when superimposed sheet is connected can cause the problem of connecting the face and destroying.
In order to achieve the above object, the utility model provides a following technical scheme: a truss reinforced concrete composite slab model comprises a superposed layer, a second bottom plate and a first bottom plate, wherein the superposed layer is a cast concrete plate, superposed layer steel bars are embedded in the superposed layer, the second bottom plate and the first bottom plate are both prefabricated concrete plates, trusses and bottom plate steel bars are embedded in the second bottom plate and the first bottom plate, the trusses are positioned on one side of the bottom plate steel bars and consist of upper chord steel bars, lower chord steel bars and web member steel bars, the second bottom plate and the first bottom plate are fixedly connected through casting of the superposed layer, the second bottom plate and the first bottom plate are positioned on one side of the superposed layer, the first bottom plate is positioned at one end of the second bottom plate, connecting steps and connecting clamping grooves are respectively arranged on the outer walls of the two sides of the connecting end of the first bottom plate and the second bottom plate, and a plurality of longitudinal connecting steel bars and transverse connecting steel bars are arranged at the position between the two connecting steps, vertical connection reinforcing bar and transverse connection reinforcing bar set up perpendicularly, and the one end of lower chord reinforcing bar is around locating on the outer wall of vertical connection reinforcing bar, two the block is connected with down the pterygoid lamina between the draw-in groove, the welding has the support bar on one side inner wall of pterygoid lamina down, the one end welding that the pterygoid lamina was kept away from down to the support bar has last pterygoid lamina, go up the pterygoid lamina embedding on one side outer wall of superimposed layer.
Preferably, the upper wing plate and the lower wing plate are both of a U-shaped structure.
Preferably, both sides of the truss are embedded in the laminated layer and the bottom plate respectively.
Preferably, the longitudinal connecting reinforcing steel bars are at least two and are respectively positioned in the connecting steps of the first bottom plate and the second bottom plate.
Preferably, the connecting clamping groove is of an L-shaped structure.
Compared with the prior art, the utility model, following beneficial effect has:
(1) the utility model is provided with a lower chord steel bar, a longitudinal connecting steel bar, a transverse connecting steel bar and a connecting step, when the bottom plates are connected, the extended lower chord steel bars are wound on the longitudinal connecting steel bars, thereby avoiding the influence of the extended parts of the lower chord steel bars on the structure of the connecting structure, thereby reducing the connecting difficulty of the bottom plates, the longitudinal connecting reinforcing steel bars and the transverse connecting reinforcing steel bars are mutually matched and fixed in the connecting steps, on one hand, the first bottom plate and the second bottom plate can be effectively limited, on the other hand, the structural strength of the connecting part is improved, in addition, the longitudinal connecting steel bars and the transverse connecting steel bars can be installed subsequently, the production difficulty of the bottom plate is avoided to be increased, the thickness of the overlapping layer at the connecting part can be effectively improved due to the arrangement of the connecting steps, thereby increasing the thickness of the superposed layer at the joint and achieving the purpose of improving the joint strength at the joint.
(2) The utility model discloses pterygoid lamina and connecting groove have been set up down, can effectively realize the effective spacing of two bottom plates through pterygoid lamina and connecting groove's mutual block down to guarantee that two bottom plates can realize accurate location and connect, and the pterygoid lamina is U type structure down, mutually supports with connecting groove, the outflow of concrete when can effectively avoiding pouring, thereby avoids connecting and forms the contact between profile and the bearing structure, guarantees the complete of connecting the face with this.
(3) The utility model discloses set up last pterygoid lamina, support bar and lower pterygoid lamina, through last pterygoid lamina, support bar and the cooperation between the lower pterygoid lamina, can effectively realize the block between superimposed layer and the bottom plate to inject the relative position between superimposed layer and the bottom plate, avoid appearing the phenomenon of layering in the junction of superimposed sheet, and the position of going up the pterygoid lamina can effectively inject the thickness of pouring of superimposed layer, improve the homogeneity of thickness behind the superimposed sheet shaping, avoid appearing pouring uneven phenomenon.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the bottom plate of the present invention;
fig. 3 is a top view of the present invention;
in the figure: 1-laminated layer steel bar, 2-laminated layer, 3-upper chord steel bar, 4-upper wing plate, 5-supporting steel bar, 6-truss, 7-second bottom plate, 8-lower chord steel bar, 9-longitudinal connecting steel bar, 10-lower wing plate, 11-transverse connecting steel bar, 12-bottom plate steel bar, 13-web member steel bar, 14-first bottom plate, 15-connecting step and 16-connecting clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a truss reinforced concrete composite slab model comprises a superposed layer 2, a second bottom plate 7 and a first bottom plate 14, wherein the superposed layer 2 is a cast concrete slab, superposed layer steel bars 1 are embedded in the superposed layer 2, the second bottom plate 7 and the first bottom plate 14 are both prefabricated concrete slabs, trusses 6 and bottom plate steel bars 12 are embedded in the second bottom plate 7 and the first bottom plate 14, the trusses 6 are positioned on one side of the bottom plate steel bars 12, the trusses 6 are composed of upper chord steel bars 3, lower chord steel bars 8 and web member steel bars 13, the service strength of the integral composite slab is effectively improved through the built-in of the trusses 6, so that the stability of the integral building is ensured, the second bottom plate 7 and the first bottom plate 14 are fixedly connected through casting of the superposed layer 2, the second bottom plate 7 and the first bottom plate 14 are positioned on one side of the superposed layer 2, the first bottom plate 14 is positioned at one end of the second bottom plate 7, and the outer walls of the two sides of the connecting end of the first bottom plate 14 and the second bottom plate 7 are respectively provided with a connecting step 15 and a connecting clamping groove 16, a connecting groove is formed by the two connecting steps 15, the winding of the side-out ribs is realized by the mutual matching of the longitudinal connecting reinforcing steel bars 9 and the transverse connecting reinforcing steel bars 11 in the groove, the structural strength of the connecting part is effectively improved, so that the forming stability of the integral laminated slab is ensured, a plurality of longitudinal connecting reinforcing steel bars 9 and transverse connecting reinforcing steel bars 11 are arranged at the position between the two connecting steps 15, the longitudinal connecting reinforcing steel bars 9 and the transverse connecting reinforcing steel bars 11 are vertically arranged, one end of the lower chord reinforcing steel bar 8 is wound on the outer wall of the longitudinal connecting reinforcing steel bars 9, a lower wing plate 10 is clamped between the two connecting clamping grooves 16, the concrete outflow is effectively avoided by the clamping of the lower wing plate 10 and the connecting clamping grooves 16, so that the, guarantee with this that bearing structure can not lead to the fact destruction to connecting the face when demolising, the welding has support reinforcement 5 on one side inner wall of lower pterygoid lamina 10, the one end welding that support reinforcement 5 kept away from lower pterygoid lamina 10 has last pterygoid lamina 4, through last pterygoid lamina 4, the cooperation between pterygoid lamina 10 under the support reinforcement 5, can effectively realize the block between superimposed layer 2 and the bottom plate, thereby inject the relative position between superimposed layer 2 and the bottom plate, avoid appearing the phenomenon of layering in the junction of superimposed layer, go up pterygoid lamina 4 and imbed on one side outer wall of superimposed layer 2.
In order to improve the stability of the connection between the upper wing plate 4 and the lower wing plate 10, in the present embodiment, it is preferable that the upper wing plate 4 and the lower wing plate 10 are both U-shaped.
In order to ensure an effective connection between the integral bottom plate and the laminated layer, in this embodiment, it is preferable that both sides of the truss 6 are embedded in the laminated layer 2 and the bottom plate, respectively.
In order to fix the lower chord steel bars 8 in the first bottom plate 14 and the second bottom plate 7, in the embodiment, preferably, at least two longitudinal connecting steel bars 9 are provided, and the two longitudinal connecting steel bars 9 are respectively located in the connecting steps 15 of the first bottom plate 14 and the second bottom plate 7.
In order to facilitate the installation of the lower wing plate 10, in the present embodiment, the connecting slot 16 is preferably of an L-shaped structure.
The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the extending parts of the upper and lower chord steel bars 8 of the first bottom plate 14 and the second bottom plate 7 are coiled by the longitudinal connecting steel bars 9, the longitudinal connecting steel bars 9 and the lower chord steel bars 8 of the coiling part are ensured to be positioned in the connecting steps 15, thereby achieving the purpose of removing the side-out bars, thereby avoiding the side-out bars from influencing the connecting process, then, the first bottom plate 14 and the second bottom plate 7 are hoisted to proper mounting positions by hoisting equipment, and the connecting clamping grooves 16 at one side of the first bottom plate 14 and the second bottom plate 7 are respectively clamped with the two sides of the lower wing plate 10, thereby realizing the positioning connection of the first bottom plate 14 and the second bottom plate 7, then, proper supporting devices are arranged at the bottom of the lower wing plate 10, thereby forming a support for the connection part of the first bottom plate 14 and the second bottom plate 7, and simultaneously, a plurality of transverse connecting steel bars 11 are bound on the two longitudinal connecting steel bars 9, the purpose of increasing the embedded steel bars at the joint is achieved, a plurality of superposed layer steel bars 1 are bound on the upper chord steel bar 3, and finally the superposed layer 2 is poured at the position above the first bottom plate 14 and the second bottom plate 7, so that the integral superposed slab is formed, the pouring surface of the superposed layer 2 is flush with the top surface of the upper wing plate 4, so that the pouring thickness of the superposed layer 2 is effectively limited, the thickness of the integral superposed slab is more uniform, in the pouring process, part of concrete flows into the position where the first bottom plate 14 is connected with the second bottom plate 7, but the concrete flows outwards through the clamping of the lower wing plate 10 and the connecting clamping groove 16, so that the contact between the poured concrete and the supporting structure is effectively avoided, the supporting structure at the bottom of the lower wing plate 10 is dismantled after the superposed layer 2 is coagulated and formed, because the connecting surface of the supporting structure and the first bottom plate 14 and the second bottom plate 7 does not form direct contact, therefore can not constitute and destroy connecting the face to guaranteed the integrality of connecting the face, carried out the preparation that corresponds the superimposed sheet model according to above-mentioned structure in addition and can fully embody the connection process of above-mentioned structure, reached the purpose of experience teaching, make the study personnel can be more audio-visual in the forming process of understanding the superimposed sheet, and the superimposed sheet model can reduce the preparation according to the size of actual superimposed sheet.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a truss reinforced concrete superimposed sheet model, includes superimposed sheet (2), second bottom plate (7) and first bottom plate (14), its characterized in that: the concrete slab is characterized in that the laminated layer (2) is a poured concrete slab, laminated layer steel bars (1) are embedded into the laminated layer (2), the second bottom plate (7) and the first bottom plate (14) are prefabricated concrete slabs, trusses (6) and bottom plate steel bars (12) are embedded into the second bottom plate (7) and the first bottom plate (14), the trusses (6) are located on one side of the bottom plate steel bars (12), the trusses (6) are composed of upper chord steel bars (3), lower chord steel bars (8) and web member steel bars (13) jointly, the second bottom plate (7) and the first bottom plate (14) are fixedly connected through pouring of the laminated layer (2), the second bottom plate (7) and the first bottom plate (14) are located on one side of the laminated layer (2), the first bottom plate (14) is located at one end of the second bottom plate (7), and connecting steps (15) and connecting steps (16) are respectively arranged on outer walls of two sides of connecting ends of the first bottom plate (14) and the second bottom plate (7) Connect position department between step (15) and be provided with a plurality of longitudinal connection reinforcing bar (9) and transverse connection reinforcing bar (11), longitudinal connection reinforcing bar (9) and transverse connection reinforcing bar (11) set up perpendicularly, and the one end of lower chord reinforcing bar (8) is around locating on the outer wall of longitudinal connection reinforcing bar (9), two the block is connected with down pterygoid lamina (10) between connecting slot (16), the welding has support reinforcement (5) on one side inner wall of pterygoid lamina (10) down, the one end welding of pterygoid lamina (10) has last pterygoid lamina (4) down is kept away from in support reinforcement (5), it imbeds on one side outer wall of laminating layer (2) to go up pterygoid lamina (4).
2. The truss reinforced concrete composite slab model according to claim 1, wherein: the upper wing plate (4) and the lower wing plate (10) are both of U-shaped structures.
3. The truss reinforced concrete composite slab model according to claim 1, wherein: the two sides of the truss (6) are respectively embedded into the superposed layer (2) and the bottom plate.
4. The truss reinforced concrete composite slab model according to claim 1, wherein: the longitudinal connecting steel bars (9) are at least two, and the two longitudinal connecting steel bars (9) are respectively positioned in the connecting steps (15) of the first bottom plate (14) and the second bottom plate (7).
5. The truss reinforced concrete composite slab model according to claim 1, wherein: the connecting clamping groove (16) is of an L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319090.5U CN210606311U (en) | 2019-08-07 | 2019-08-07 | Truss reinforced concrete superimposed sheet model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319090.5U CN210606311U (en) | 2019-08-07 | 2019-08-07 | Truss reinforced concrete superimposed sheet model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210606311U true CN210606311U (en) | 2020-05-22 |
Family
ID=70694822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921319090.5U Expired - Fee Related CN210606311U (en) | 2019-08-07 | 2019-08-07 | Truss reinforced concrete superimposed sheet model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210606311U (en) |
-
2019
- 2019-08-07 CN CN201921319090.5U patent/CN210606311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20210807 |