CN219100461U - Concrete laminated slab with truss steel bars - Google Patents
Concrete laminated slab with truss steel bars Download PDFInfo
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- CN219100461U CN219100461U CN202221106217.7U CN202221106217U CN219100461U CN 219100461 U CN219100461 U CN 219100461U CN 202221106217 U CN202221106217 U CN 202221106217U CN 219100461 U CN219100461 U CN 219100461U
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Abstract
The present utility model relates to the field of construction. The concrete laminated slab with the truss steel bars comprises concrete plates and truss steel bars, wherein the concrete plates are fiber concrete plates made of fiber concrete, transverse steel bars and longitudinal steel bars are embedded in the fiber concrete plates, and steel wire meshes are not arranged in the fiber concrete plates; the bottoms of the truss steel bars are connected to the transverse steel bars or the longitudinal steel bars. Firstly, the material of the concrete slab is selected, and the connection strength between the concrete is increased by selecting the fiber concrete slab, so that a steel wire mesh is not arranged in the fiber concrete slab, on one hand, the steel wire mesh is omitted, and the concrete slab is thinner, thereby being beneficial to reducing the dead weight of the components and being convenient to transport and install; on the other hand, the easy-to-deform steel wire mesh in the pouring process is removed, and the problem of inconvenient passing caused by deformation of the steel wire mesh in the background art is solved.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a concrete laminated slab.
Background
The existing concrete superimposed sheet is mostly embedded with steel wire mesh in concrete slab and truss steel bars are connected to the steel wire mesh. When in cast-in-place, the bottoms of the steel wire mesh and truss steel bars are easy to deform, so that uneven concrete layer thickness on the steel wire mesh and below can be caused, and the pipeline is inconvenient to pass through in the concrete layer.
Although the above problems can be solved by increasing the thickness of the concrete slab, the weight of the member is increased, and the member is easy to break during transportation and a new problem that a support is required during construction occurs.
Disclosure of Invention
The utility model aims to provide a concrete composite slab with truss steel bars, which aims to solve the problems.
The technical problems solved by the utility model can be realized by adopting the following technical scheme:
the concrete laminated slab with the truss steel bars comprises concrete plates and truss steel bars, and is characterized in that the concrete plates are fiber concrete plates made of fiber concrete, transverse steel bars and longitudinal steel bars are embedded in the fiber concrete plates, and steel wire meshes are not arranged in the fiber concrete plates;
the bottoms of the truss steel bars are connected to the transverse steel bars or the longitudinal steel bars.
Firstly, the material of the concrete slab is selected, and the connection strength between the concrete is increased by selecting the fiber concrete slab, so that a steel wire mesh is not arranged in the fiber concrete slab, on one hand, the steel wire mesh is omitted, and the concrete slab is thinner, thereby being beneficial to reducing the dead weight of the components and being convenient to transport and install; on the other hand, the easy-to-deform steel wire mesh in the pouring process is removed, and the problem of inconvenient passing caused by deformation of the steel wire mesh in the background art is solved. And secondly, the truss steel bars are directly connected to the transverse steel bars or the longitudinal steel bars, so that the strength of the transverse steel bars and the longitudinal steel bars is high, and the deformation of the bottoms of the truss steel bars can be effectively reduced, thereby solving the problem of inconvenient passing caused by the deformation of the bottoms of the truss steel bars in the background art.
Preferably, the truss steel bar comprises a first steel bar in a straight line shape and two second steel bars in a wavy shape, and the extending direction of the first steel bar is the same as the extending direction of the second steel bar;
the crest parts of the two second steel bars are connected to the first steel bars, and the distance between the two second steel bars is gradually increased from top to bottom;
and the trough parts of the two second steel bars are used as the bottoms of the truss steel bars, and the trough parts of the second steel bars are buried in the fiber concrete layer.
According to the utility model, the structure of the truss steel bar is optimized, and after the structure is optimized, a plurality of triangular structures are constructed, so that the connection strength of the truss steel bar and other components can be effectively increased, and meanwhile, the pipeline penetration is facilitated. More critical is that the wavy structure allows the truss steel bar to deform to a certain extent on the basis of facilitating pipeline penetration.
Further preferably, the two second reinforcing bars are arranged in mirror symmetry. Therefore, the triangular structure is simultaneously constructed in the extending direction and in the two directions perpendicular to the extending direction, and finally a plurality of square pyramid-shaped structures appear on the fiber concrete slab, so that the pipe penetrating is convenient for the concrete slab to penetrate through from front to back and also convenient for the concrete slab to penetrate through left and right.
The concrete composite slab with truss steel bars further comprises concrete ribs, and the upper parts of the first steel bars and the second steel bars are buried in the concrete ribs. The utility model can increase the rigidity of the product by adding the concrete ribs. More importantly, the utility model combines the strong deformability of truss steel bars and the high rigidity of concrete ribs, has the advantage of no mould of common concrete superimposed sheet, simultaneously allows 'no steel bar out', avoids steel bar collision and improves the installation efficiency.
Preferably, the ends of the transverse reinforcing bars, the longitudinal reinforcing bars and the second reinforcing bars are buried in the fiber concrete slab and do not protrude from the end face of the fiber concrete slab. The end of the first reinforcing steel bar is buried in the concrete rib, and does not extend out of the end face of the concrete rib. The utility model adopts a structure without rib discharge, thereby effectively avoiding the collision of the reinforcing steel bars and improving the installation efficiency.
Preferably, the shoulder of the fibre concrete slab is chamfered, so as to facilitate assembly.
Drawings
FIG. 1 is an end perspective view of another construction of the present utility model;
FIG. 2 is an end perspective view of another construction of the present utility model;
FIG. 3 is a partial perspective view of one construction of the present utility model;
fig. 4 is a schematic view of a portion of a truss reinforcement;
fig. 5 is a schematic view of a portion of a second reinforcing bar;
FIG. 6 is a schematic structural view of another construction of the present utility model;
fig. 7 is an exploded view of another construction of the present utility model.
Detailed Description
In order that the manner in which the utility model is practiced, as well as the features and objects and functions thereof, will be readily understood and appreciated, the utility model will be further described in connection with the accompanying drawings.
Example 1, refer to FIGS. 1, 2, 3, 4, 5, 6, and 7
The concrete laminated slab with truss steel bars comprises concrete plates and truss steel bars.
The concrete slab is a fiber concrete slab 2 made of fiber concrete, transverse steel bars 8 and longitudinal steel bars 7 are embedded in the fiber concrete slab 2, and a steel wire mesh is not arranged in the fiber concrete slab 2. The bottoms of the truss steel bars are connected to the transverse steel bars 8 or the longitudinal steel bars 7.
Example 2, refer to FIGS. 1, 2, 3, 4, 5, 6, and 7
The concrete composite slab with truss steel bars comprises concrete slabs positioned below, concrete ribs 1 positioned above and truss steel bars.
The concrete slab is a fiber concrete slab 2 made of fiber concrete, and the concrete rib 1 can be a common concrete rib or a fiber concrete rib made of fiber concrete. Transverse steel bars 8 and longitudinal steel bars 7 are embedded in the fiber concrete slab 2, and a steel wire mesh is not arranged in the fiber concrete slab 2. The bottoms of the truss steel bars are connected to the transverse steel bars 8 or the longitudinal steel bars 7. The tops of the truss steel bars are buried in the concrete ribs 1.
Preferably, the concrete rib 1 and the concrete slab are parallel to each other, the lengths of the concrete rib 1 and the concrete slab are equal, and the width of the concrete rib 1 is smaller than the width of the concrete slab. Preferably, the thickness of the concrete rib 1 is smaller than the thickness of the concrete slab. Preferably, the width of the concrete rib 1 gradually decreases from top to bottom. Thereby forming a bell mouth structure, and the concrete rib 1 can well buckle the filling material between the concrete rib 1 and the concrete slab after the assembly is completed.
In the two embodiments, the number of truss steel bars connected to the same concrete slab is not limited, and a user can select the truss steel bars according to the requirements. Preferably one or two. The tops of the truss reinforcements connected to the same concrete slab are respectively inserted into one concrete rib 1, the concrete ribs 1 are equal in size, and the distances from the concrete ribs 1 to the concrete slab are also equal. The extending direction of the truss reinforcement is preferably the same as the length direction of the concrete slab.
In the above two embodiments, the truss reinforcement includes a first reinforcement 3 having a linear shape and two second reinforcement 4 having a wavy shape, and the extending direction of the first reinforcement 3 is the same as the extending direction of the second reinforcement 4. The crest parts of the two second steel bars 4 are connected to the first steel bars 3, and the distance between the two second steel bars 4 is gradually increased from top to bottom. The trough parts of the two second steel bars 4 are used as the bottoms of truss steel bars, and the trough parts of the second steel bars 4 are buried in the fiber concrete layer. The angle between the planes of the two second bars 4 is preferably 15-70, preferably 60. Scheme 1: the two second steel bars 4 are arranged in mirror symmetry. Therefore, the triangular structure is simultaneously constructed in the extending direction of the truss reinforcing steel bars and in the two directions perpendicular to the extending direction, and finally a plurality of square pyramid-shaped structures appear on the fiber concrete plate 2, so that the pipe penetrating is convenient for the concrete plate to penetrate through, and the pipe penetrating is convenient for the concrete plate to penetrate through left and right. In the scheme 2, the wave intervals of the two second steel bars 4 are the same, and the wave crest parts of the two second steel bars 4 are connected with the first steel bars 3 in a staggered way. This construction sacrifices a part of the space of the upper part of the concrete slab, increasing the difficulty of passing through the upper part of the concrete slab, but once the pipe is threaded, the pipe line is better confined between the two second bars 4. This structure does not affect the handling of the pipe in the lower part of the slab.
In both the above embodiments, the peak portion of the second reinforcing bar 4 is preferably welded to the first reinforcing bar 3. The valley portions of the second reinforcing bars 4 may be welded to the transverse reinforcing bars 8 or the longitudinal reinforcing bars 7. Preferably, the extending direction of the longitudinal steel bar 7 is the same as the extending direction of the second steel bar 4, one wave of the second steel bar 4 is located at the left side of the longitudinal steel bar 7, the next adjacent wave is located at the right side of the longitudinal steel bar 7, the next adjacent wave is located at the left side of the longitudinal steel bar 7, and the waves circulate in sequence, so that the longitudinal steel bar 7 is finally clamped at the bottom of the second steel bar 4.
In the above two embodiments, an auxiliary reinforcing bar 10 may be further disposed in the fiber concrete slab 2, and the trough portion of the second reinforcing bar 4 is welded to the auxiliary reinforcing bar 10, and the auxiliary reinforcing bar 10 is welded to connect at least two adjacent transverse reinforcing bars 8 or longitudinal reinforcing bars 7.
In the above two embodiments, the ends of the transverse reinforcing bars 8, the longitudinal reinforcing bars 7 and the second reinforcing bars 4 are buried in the fiber concrete slab 2 and do not protrude from the end face of the fiber concrete slab 2. The end of the first reinforcing bar 3 is buried in the concrete rib 1 and does not protrude from the end surface of the concrete rib 1. The utility model adopts a structure without rib discharge, thereby effectively avoiding the collision of the reinforcing steel bars and improving the installation efficiency.
In both embodiments, the shoulder of the fibre concrete slab 2 is chamfered 5, so that the assembly is facilitated.
In the above two embodiments, the concrete slab may further be provided with a third steel bar 6 having a wave shape, and the extending direction of the third steel bar 6 is the same as the extending direction of the second steel bar 4. Preferably, the wavelength of the third reinforcing bar 6 is preferably an even multiple of the wavelength of the second reinforcing bar 4, and the vertical distance between the peaks and valleys of the third reinforcing bar 6 is the orthographic projection distance between the opposite valleys of the two second reinforcing bars 4. The wave crest of the third steel bar 6 is welded with the wave trough of one second steel bar 4, and the wave trough of the third steel bar 6 is welded with the wave trough of the other second steel bar 4. The structure is additionally provided with the third steel bars 6, and the third steel bars 6 enable the trough bottoms of the two second steel bars 4 to be fixed, so that the structure of the truss steel bars can be limited, the supporting strength of the truss steel bars is further guaranteed, and on the other hand, the third steel bars 6 penetrating through the concrete slab can improve the strength of the concrete slab. In addition, the third steel bar 6 is wavy, so that the stress of truss steel bars and concrete plates can be effectively dispersed, the third steel bar 6 has certain deformability, and can adapt to the deformation of the truss steel bars and the concrete plates in the production process of the concrete superimposed sheet with the truss steel bars, so that the finally formed concrete superimposed sheet with the truss steel bars keeps the concrete ribs 1 and the concrete plates parallel. The plane in which the third reinforcing bars 6 are located is preferably parallel to the upper end surface of the concrete slab.
In the above two embodiments, the fourth steel bar for hoisting may be buried in the concrete slab, the fourth steel bar is preferably square frame, two second steel bars 4 pass through from the inside of the fourth steel bar, and the two second steel bars 4 respectively prop against two corners of the fourth steel bar located at the inner side. The side of the fourth reinforcing steel bar positioned on the outer side is exposed from the bottom surface of the concrete slab. Preferably, a pair of opposite bottoms of the two second reinforcing bars 4 respectively abut against two corners of the third reinforcing bar 6 located at the inner side. Therefore, the position advantage of the valley bottom is utilized, and the position movement of the fourth steel bar is reduced when the concrete is poured. The fifth steel bars for hoisting can be buried in the concrete slab, the fifth steel bars are preferably in an 8 shape, one second steel bar 4 penetrates through the inside of the ring of the fifth steel bar positioned at the inner side, the rest second steel bars 4 penetrate through the inside of the ring of the fifth steel bar positioned at the outer side, the ring of the fifth steel bar positioned at the outer side is provided with an opening, and two ends of the opening extend out of the side face of the concrete slab. The fifth steel bar is formed by bending the middle part of a straight steel bar and staggering the two sides. The figure 8 can be self-locked on the two second steel bars 4, so that binding is not needed. The two structures for hoisting the steel bars have the advantage of allowing the steel bars to be not welded with the truss steel bars.
In the above two embodiments, the outer side wall of the second steel bar 4 may be provided with a first side rib or a bar-shaped protrusion extending along the second steel bar 4. The outer side wall of the second reinforcing steel bar 4 can be further provided with a second side rib or an annular bulge surrounding the second reinforcing steel bar 4. Thereby increasing the coupling strength of the truss reinforcement and the concrete rib 1 by the first side rib, the bar-shaped protrusion, the second side rib or the ring-shaped protrusion, or defining the location of the filler between the concrete rib 1 and the concrete slab.
In the above two embodiments, the truss reinforcement may further include two sixth reinforcement bars 9 in a straight line shape, and the two sixth reinforcement bars 9 are welded to the trough portions of the two second reinforcement bars 4, respectively. Thereby defining the distance at the trough of the second reinforcing bar and ultimately improving the strength of the second reinforcing bar.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The concrete laminated slab with the truss steel bars comprises concrete plates and truss steel bars, and is characterized in that the concrete plates are fiber concrete plates made of fiber concrete, transverse steel bars and longitudinal steel bars are embedded in the fiber concrete plates, and steel wire meshes are not arranged in the fiber concrete plates;
the bottoms of the truss steel bars are connected to the transverse steel bars or the longitudinal steel bars.
2. The concrete composite slab with truss steel reinforcement according to claim 1, wherein the truss steel reinforcement comprises a first steel reinforcement in a straight line shape and two second steel reinforcements in a wavy shape, and the extending direction of the first steel reinforcement is the same as the extending direction of the second steel reinforcement;
the crest parts of the two second steel bars are connected to the first steel bars, and the distance between the two second steel bars is gradually increased from top to bottom;
and the trough parts of the two second steel bars are used as the bottoms of the truss steel bars, and the trough parts of the second steel bars are buried in the fiber concrete slab.
3. The concrete composite slab with truss steel reinforcement according to claim 2, wherein the ends of the transverse steel reinforcement, the longitudinal steel reinforcement and the second steel reinforcement are buried in the fiber concrete slab and do not protrude from the end face of the fiber concrete slab.
4. The concrete composite slab with truss steel reinforcement according to claim 2, wherein the two second steel reinforcements are arranged in mirror symmetry.
5. The concrete composite slab with truss reinforcement according to claim 2, wherein the peak portion of the second reinforcement is welded to the first reinforcement, and the valley portion of the second reinforcement is welded directly or through auxiliary reinforcement to the transverse reinforcement or the longitudinal reinforcement.
6. The concrete composite slab with truss reinforcement according to claim 2, wherein the extending direction of the longitudinal reinforcement is the same as the extending direction of the second reinforcement;
the wave crest part of the second steel bar is welded on the first steel bar, one wave of the second steel bar is positioned on the left side of the longitudinal steel bar, the next adjacent wave is positioned on the right side of the longitudinal steel bar, the next adjacent wave is positioned on the left side of the longitudinal steel bar, the wave is sequentially circulated, and finally the longitudinal steel bar is clamped at the bottom of the second steel bar.
7. The concrete composite slab with truss steel reinforcement according to claim 2, wherein the truss steel reinforcement further comprises two sixth steel reinforcements in a straight line shape, and the two sixth steel reinforcements are welded to the trough portions of the two second steel reinforcements, respectively.
8. The concrete composite slab with truss reinforcement according to any one of claims 1 to 7, further comprising a concrete rib in which an upper portion of the truss reinforcement is buried.
9. The concrete composite slab with truss steel reinforcement of claim 8, wherein the end of the first steel reinforcement of the truss steel reinforcement is embedded in the concrete rib without protruding from the end face of the concrete rib.
10. The concrete composite slab with truss steel reinforcement according to any one of claims 1 to 7, wherein the shoulder of the fiber concrete slab is chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221106217.7U CN219100461U (en) | 2022-05-10 | 2022-05-10 | Concrete laminated slab with truss steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221106217.7U CN219100461U (en) | 2022-05-10 | 2022-05-10 | Concrete laminated slab with truss steel bars |
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| Publication Number | Publication Date |
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| CN219100461U true CN219100461U (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221106217.7U Active CN219100461U (en) | 2022-05-10 | 2022-05-10 | Concrete laminated slab with truss steel bars |
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- 2022-05-10 CN CN202221106217.7U patent/CN219100461U/en active Active
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