CN214833895U - Anti-cracking top plate structure for main building in house building - Google Patents
Anti-cracking top plate structure for main building in house building Download PDFInfo
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- CN214833895U CN214833895U CN202022264512.2U CN202022264512U CN214833895U CN 214833895 U CN214833895 U CN 214833895U CN 202022264512 U CN202022264512 U CN 202022264512U CN 214833895 U CN214833895 U CN 214833895U
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Abstract
The utility model discloses a crack control roof structure for main building among housing construction belongs to roof technical field, solves the serious problem of main building roof load crack among the prior art. The utility model discloses a lower floor's concrete layer, hollow floor cover layer and the upper concrete layer that from the bottom up set gradually, hollow floor layer includes lower floor's reinforcing bar net, sets up on lower floor's reinforcing bar net, constitutes the empty reinforcing bar rib beam that receives the cavity of hollow floor, sets up the hollow floor in the cavity, is provided with on an opposite side of cavity, reinforcing bar rib beam and cooperatees, anti roof level fracture, prevents the fixed knot structure that the concrete in the upper concrete layer vertically subsides fast. The utility model is used for the building.
Description
Technical Field
An anti-cracking top plate structure for a main building in a house building is used for the building and belongs to the technical field of top plates.
Background
In modern engineering construction, the position of concrete cannot be replaced. The shrinkage crack control is the key point in the construction process, and the crack has various reasons, mainly the change of temperature and humidity, the brittleness and the nonuniformity of concrete and the like. The generation of concrete cracks is controlled, so that the strength of the concrete is ensured, and the self-waterproof capability of the concrete is improved.
A great deal of research work is carried out on load cracks caused by load action at home and abroad, design regulations related to the load cracks in specifications are compiled, a good crack control effect is exerted in engineering, and non-load cracks caused by deformation are mainly defined in design and construction, wherein some structural measures (such as an expansion joint gap, which means that a structural joint is arranged at a proper position along the construction joint direction of a building or a structure for preventing the structure from cracking or destroying due to climate temperature change (thermal expansion and cold contraction) of the building components, the expansion joint is formed by equally dividing the building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the long direction), so that the occurrence and development mechanism of the expansion joint is urgently researched and effective crack control measures are established, however, the adoption of the construction measures in the prior art cannot effectively prevent the occurrence of 'non-load cracks' in practical engineering.
In the prior art, except for preventing the cracking of the roof top plate in a mode of an expansion joint gap, the cracking of the roof top plate is usually prevented in a mode of adding reinforcing steel bars, but the mode has the following defects:
firstly, the weight of the top plate is increased, and although the cracks caused by horizontal expansion and contraction can be reduced, the increase of load cracks is increased;
secondly, the isolation effect of the existing roof is also very poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crack control roof structure for main building among housing construction solves the serious problem of main building roof load crack among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides an anti-cracking roof structure for main building in housing construction, includes lower floor's concrete layer, hollow floor cover layer and the upper concrete layer that from the bottom up set gradually, and hollow superstructure layer includes lower floor's reinforcing bar net, sets up on lower floor's reinforcing bar net, constitutes the reinforcing bar rib beam of the cavity of empty hollow superstructure of receiving, sets up the hollow superstructure in the cavity, is provided with on the reinforcing bar rib beam in the opposite side of cavity, with upper concrete layer cooperate, anti roof level fracture, prevent the vertical fixed knot who subsides of concrete in the upper concrete layer and construct.
Further, the steel bar rib beam comprises steel bars and stirrups for fixing the steel bars;
the fixing structure comprises fixing plates which are fixed on the opposite sides of the cavity, are arranged at the joints of the steel bars and the stirrups and resist horizontal cracking of the top plate, and settlement plates which are arranged on the fixing plates and resist horizontal cracking of the top plate and prevent vertical rapid settlement of concrete in the upper concrete layer.
Furthermore, a plurality of sedimentation plates are arranged on the fixing plate, and the distance between every two adjacent sedimentation plates is 0.2-0.5 m.
Further, the height of the sedimentation plate is 5cm-10 cm.
Furthermore, a cross-shaped limiting groove is formed in the fixing plate, and the cross-shaped limiting groove is matched with the joint of the steel bar and the stirrup.
Further, the settlement plate is welded on the fixing plate; or
A clamping groove is formed in the fixing plate, and the settling plate is clamped in the clamping groove.
Furthermore, a fine steel mesh is arranged in the lower concrete layer.
Further, the upper concrete layer sequentially comprises a first concrete layer, a concrete heat-insulating layer, a waterproof layer and a second concrete layer from bottom to top, and the settlement plate is embedded in the first concrete layer and the concrete heat-insulating layer.
Further, the fixed structure is made of steel.
Compared with the prior art, the utility model has the advantages of:
the fixing structure is arranged on the steel rib beam and is positioned on the hollow floor, when the concrete on the upper concrete layer is poured, the horizontal cracking of the top plate can be resisted through the fixing structure, and the longitudinal and rapid settlement of the concrete can be prevented, so that the generation of the non-load crack of the top plate is reduced, and the fixing structure is arranged on the top plate of the hollow floor to replace the original reinforcing mesh, so that the generation or the increase of the load crack of the top plate can not be caused due to the increase of the fixing structure;
secondly, the fixing structure in the utility model comprises a fixing plate and a settling plate, so that the roof horizontal cracking resistance is realized by matching the fixing plate with the steel rib beam, and the roof horizontal cracking resistance and the longitudinal rapid settlement resistance of concrete in the upper concrete layer are realized by matching the settling plate with the fixing plate;
thirdly, the utility model limits the spacing and height of the settlement plates, in order to prevent the excessive spacing or/and the excessive height, the poor waterproof flat cracking effect, the excessive spacing or/and the excessive height, which easily causes the load of the top plate;
fourthly, the cross-shaped limiting groove is arranged on the fixing plate of the utility model, so that the cross-shaped limiting groove can be connected with the reinforcing steel bar and the stirrup to limit the fixing plate;
fifth, the fine reinforcing mesh is arranged in the middle and lower layer concrete layer of the utility model, which aims to prevent the problem that the lower layer concrete layer is not tensile and the concrete is easy to disperse after being affected with damp;
sixth, the utility model discloses well upper concrete layer includes first concrete layer, concrete heat preservation, insulating layer, waterproof layer and second concrete layer, not only can cooperate first concrete layer and concrete heat preservation and subsiding plate, still can play heat preservation, thermal-insulated and waterproof effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic view of a middle top plate of the present invention;
fig. 2 is a schematic view of the lower layer concrete layer of the present invention with a lower layer reinforcing mesh;
fig. 3 is a schematic view of the lower layer concrete layer of the present invention with the lower layer reinforcing mesh, reinforcing rib beams and fixing structures;
FIG. 4 is a schematic view of the middle and upper concrete layers of the present invention;
fig. 5 is a schematic view of a fixing plate according to the present invention;
in the figure: 1-lower concrete layer, 2-hollow floor covering layer, 3-upper concrete layer, 4-lower reinforcing mesh, 5-reinforcing rib beam, 6-cavity, 7-hollow floor, 8-fixed structure, 9-reinforcing steel bar, 10-stirrup, 11-fixed plate, 12-settlement plate, 13- 'cross' -shaped limiting groove, 14-first concrete layer, 15-concrete heat-insulating layer, 16-heat-insulating layer, 17-waterproof layer and 18-second concrete layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
As shown in fig. 1 and 2, an anti-cracking roof plate structure for a main building in a house building comprises a lower concrete layer 1, a hollow floor cover layer 2 and an upper concrete layer 3 which are sequentially arranged from bottom to top, wherein the hollow floor cover layer 2 comprises a lower steel bar mesh 4, a steel bar rib beam 5 which is arranged on the lower steel bar mesh 4 and forms a cavity 6 for accommodating the hollow floor 7, the hollow floor 7 is arranged in the cavity 6, a fixed structure 8 which is matched with the upper concrete layer 3, resists horizontal cracking of a top plate and prevents longitudinal rapid settlement of concrete in the upper concrete layer 3 and concrete which is poured on the lower steel bar mesh 4, the steel bar rib beam 5, the hollow floor 7 and the fixed structure 8 are arranged on the steel bar rib beam 5 and on one side of the cavity 6.
In the practice process, it is fixed mutually with reinforcing bar rib 5 through fixed knot structure to during embedding upper concrete layer 3, when the roof received horizontal pulling force, through the anti roof level fracture of fixed knot structure, when the concrete on pouring upper concrete layer, the accessible fixed knot constructs and prevents that the vertical quick settlement of concrete arouses the problem of roof fracture.
As shown in fig. 3, the steel rib 5 includes a steel bar 9, a stirrup 10 for fixing the steel bar; the crossed reinforcing steel bars 9 are fixed through steel wires and the like, after the crossed reinforcing steel bars 9 are fixed, the reinforcing steel bars 9 positioned on the same side are fixed through stirrups 10, only the positions of the stirrups 10 are shown in the drawing, and in practice, the reinforcing steel bars 9 need to be fixed by bypassing the reinforcing steel bars 9 to form the reinforcing steel rib beam 5;
the fixed structure 8 comprises a fixed plate 11 which is fixed on the opposite side of the cavity 6, on the joint of the steel bar 9 and the stirrup 10 and resists horizontal cracking of the top plate, and a settlement plate 12 which is arranged on the fixed plate 11 and resists horizontal cracking of the top plate and prevents longitudinal rapid settlement of concrete in the upper concrete layer 3. The fixed plate 11 is provided with a plurality of sedimentation plates 12, and the distance between adjacent sedimentation plates 12 is 0.2m-0.5m, such as 0.3m and 0.4 m. The height of the settling plate 12 is 5cm-10cm, such as 6cm, 7cm, 8cm, 9 cm. The settling plates may also be of other configurations, such as U-shaped plates and the like.
As shown in fig. 5, a cross-shaped limiting groove 13 is formed in the fixing plate 11, and the cross-shaped limiting groove 13 is matched with a joint of the reinforcing steel bar 9 and the stirrup 10. Through the cross-shaped limiting groove 13, the fixing plate 11 can be limited, and the fixing plate and the reinforcing steel bar 9 can be matched to resist horizontal cracking of the top plate when horizontal stretching force occurs.
As shown in fig. 3, the settling plate 12 is welded to the fixed plate 11; or the fixed plate 11 is provided with a clamping groove, and the settling plate 12 is clamped in the clamping groove. The clamping groove is not shown in the figure and can be a T-shaped clamping groove, if the clamping groove is a T-shaped clamping groove, one end of the settling plate 12 is a T-shaped clamping block, the T-shaped clamping groove is matched with the T-shaped clamping block, and certainly, the clamping groove can also be matched with the settling plate in other structures.
The lower concrete layer 1 is provided with a fine mesh reinforcement, which is not shown. As shown in fig. 4, the upper concrete layer 3 sequentially includes, from bottom to top, a first concrete layer 14, a concrete heat-insulating layer 15, a heat-insulating layer 16, a waterproof layer 17, and a second concrete layer 18, and the settling plate 12 is embedded in the first concrete layer 14 and the concrete heat-insulating layer 15. The fixing structure 8 is made of steel, but other materials are not excluded.
Examples
Firstly, a lower concrete layer 1 is poured, then a lower reinforcing mesh 4 is laid on the lower concrete layer 1, a reinforcing rib beam 5 is arranged on the lower reinforcing mesh 4, placing hollow floor 7 in the cavity 6 formed by the steel rib beams 5, after placing, arranging a fixed structure on the steel rib beams 5 and on the hollow floor 7, after arranging, pouring concrete, so as to form a hollow floor covering layer 2, after the hollow floor covering layer 2 is poured, a first concrete layer 14, a concrete heat-insulating layer 15, a heat-insulating layer 16, a waterproof layer 17 and a second concrete layer 18 are sequentially arranged on the hollow floor covering layer 2, and finally a top plate is formed, and the top plate obtained by the scheme is embedded in the first concrete layer 14 and the concrete heat-insulating layer 15, the problem of roof horizontal fracture (resisting hollow floor layer 2 and upper concrete layer 3 horizontal fracture) can be resisted through the fixed knot structure 8, the concrete in the upper concrete layer 3 is prevented from vertically and rapidly subsiding and cracking.
Claims (9)
1. The utility model provides an anti-cracking roof structure for main building among housing construction, includes lower floor concrete layer (1), hollow floor layer (2) and upper concrete layer (3) that from the bottom up set gradually, its characterized in that: the hollow floor layer (2) comprises a lower-layer reinforcing mesh (4), reinforcing rib beams (5) which are arranged on the lower-layer reinforcing mesh (4) and form a cavity (6) for accommodating the hollow floor (7), hollow floor systems (7) arranged in the cavity (6), and fixing structures (8) which are matched with the upper-layer concrete layer (3), resist horizontal cracking of a top plate and prevent longitudinal rapid settlement of concrete in the upper-layer concrete layer (3) are arranged on the reinforcing rib beams (5) on the opposite sides of the cavity (6).
2. An anti-cracking roof plate structure for a main building in a house building according to claim 1, characterized in that: the steel bar rib beam (5) comprises steel bars (9) and stirrups (10) for fixing the steel bars;
the fixing structure (8) comprises a fixing plate (11) which is fixed on the opposite side of the cavity (6), is arranged at the joint of the steel bar (9) and the stirrup (10) and is resistant to horizontal cracking of the top plate, and a settlement plate (12) which is arranged on the fixing plate (11) and is resistant to horizontal cracking of the top plate and is resistant to vertical rapid settlement of concrete in the upper concrete layer (3).
3. An anti-cracking roof plate structure for a main building in a house building according to claim 2, characterized in that: the fixed plate (11) is provided with a plurality of sedimentation plates (12), and the distance between adjacent sedimentation plates (12) is 0.2-0.5 m.
4. An anti-cracking roof panel structure for a main building in a house building according to claim 2 or 3, characterized in that: the height of the sedimentation plate (12) is 5cm-10 cm.
5. An anti-cracking roof plate structure for a main building in a house building according to claim 4, characterized in that: the fixing plate (11) is provided with a cross-shaped limiting groove (13), and the cross-shaped limiting groove (13) is matched with the joint of the reinforcing steel bar (9) and the stirrup (10).
6. An anti-cracking roof plate structure for a main building in a house building according to claim 4, characterized in that: the settling plate (12) is welded on the fixing plate (11); or
The fixed plate (11) is provided with a clamping groove, and the settling plate (12) is clamped in the clamping groove.
7. An anti-cracking roof board structure for a main building in a house building according to any one of claims 1 to 3, characterized in that: and a fine steel bar mesh is arranged in the lower concrete layer (1).
8. An anti-cracking roof board structure for a main building in a house building according to any one of claims 1 to 3, characterized in that: the upper concrete layer (3) sequentially comprises a first concrete layer (14), a concrete heat-insulating layer (15), a heat-insulating layer (16), a waterproof layer (17) and a second concrete layer (18) from bottom to top, and the settling plate (12) is embedded in the first concrete layer (14) and the concrete heat-insulating layer (15).
9. An anti-cracking roof plate structure for a main building in a house building according to claim 1, characterized in that: the fixed structure (8) is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022264512.2U CN214833895U (en) | 2020-10-13 | 2020-10-13 | Anti-cracking top plate structure for main building in house building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022264512.2U CN214833895U (en) | 2020-10-13 | 2020-10-13 | Anti-cracking top plate structure for main building in house building |
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| Publication Number | Publication Date |
|---|---|
| CN214833895U true CN214833895U (en) | 2021-11-23 |
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|---|---|---|---|
| CN202022264512.2U Active CN214833895U (en) | 2020-10-13 | 2020-10-13 | Anti-cracking top plate structure for main building in house building |
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| CN (1) | CN214833895U (en) |
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