CN215670556U - Prefabricated slope roof concrete slab thickness and steel bar protective layer thickness control device - Google Patents
Prefabricated slope roof concrete slab thickness and steel bar protective layer thickness control device Download PDFInfo
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- CN215670556U CN215670556U CN202121978525.4U CN202121978525U CN215670556U CN 215670556 U CN215670556 U CN 215670556U CN 202121978525 U CN202121978525 U CN 202121978525U CN 215670556 U CN215670556 U CN 215670556U
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Abstract
The utility model discloses a prefabricated slope roof concrete slab thickness and steel bar protection layer thickness control device which comprises a plurality of thickness control units which are uniformly distributed on a slope roof template in a quincunx shape, wherein each thickness control unit comprises a concrete prefabricated control pier arranged on the slope roof template, and a lower embedded steel bar and an upper embedded steel bar which are arranged in the concrete prefabricated control pier in a penetrating mode and are parallel to each other, a slope roof slab bottom steel bar net is bound below the lower embedded steel bar, and a slope roof slab surface steel bar net is bound above the upper embedded steel bar. According to the utility model, the concrete prefabricated control pier, the lower embedded steel bar and the upper embedded steel bar are arranged to replace the traditional split heads and the protective layer cushion block, so that the thickness of the slope roof concrete slab and the thicknesses of the upper and lower steel bar protective layers are effectively controlled, and errors generated by a cutting method and a stay wire rope measuring method in the traditional concrete pouring process can be greatly reduced, so that the subsequent reworking operation is reduced, the construction efficiency and the construction quality are greatly improved, and the use effect is good.
Description
Technical Field
The utility model belongs to the technical field of pitched roof construction, and particularly relates to a prefabricated pitched roof concrete slab thickness and steel bar protection layer thickness control device.
Background
In the construction process, because of the reasons that the strength of the protective layer is not enough, the protective layer is not fixed well, the manufacturing precision of the split heads is not accurate, and the like, the errors of the traditional cutting method and the traditional stay wire measuring method are large when concrete is poured, and the plate thickness is easy to exceed or not reach the designed plate thickness. If the large area is too thick, concrete waste and cost increase can be caused, and if the upper protective layer is too small, the requirement of creating excellent quality can not be met, and the hidden trouble of influencing the durability of the structure exists.
In addition, present special-shaped structure, sloping roofing engineering are also more and more, and the slope of many sloping roofs is great moreover, and the concrete slab steel bar protective layer of sloping roof adopts traditional cushion control unable fixed in actual construction, especially drops easily at the concrete placement process and causes the protective layer thickness not enough, appears the board bottom and exposes the condition that the muscle phenomenon is very much even. Traditional split heads muscle also drops more easily, causes the lower part reinforcing bar interval not enough, board upper portion reinforcing bar protective layer too big, leads to construction quality problems such as face crack after surviving. The slope roof concrete pouring process ensures that the thickness of the plate is uniform and the construction difficulty is high when the designed plate thickness is reached due to the characteristics of the roof gradient, the concrete fluidity and the like. Therefore, a device is needed to replace the traditional split heads and the protective layer cushion blocks, and the thickness of the plate and the thickness of the protective layers of the steel bars at the upper part and the lower part can be effectively controlled to meet the requirement of optimization.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a prefabricated slope roof concrete slab thickness and steel bar protective layer thickness control device aiming at the defects in the prior art, which has the advantages of simple structure, reasonable design and strong practicability, and the concrete prefabricated control pier, the lower embedded steel bar and the upper embedded steel bar are arranged to replace the traditional split heads and protective layer cushion blocks, so that the slope roof concrete slab thickness and the thicknesses of the upper and lower steel bar protective layers are effectively controlled, the errors generated by a cutting method and a stay wire rope measuring method in the traditional concrete pouring process can be greatly reduced, the subsequent rework operation is reduced, the construction efficiency and the construction quality are greatly improved, and the using effect is good.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a thick and steel bar protective layer thickness controlling means of prefabricated formula pitched roof concrete slab which characterized in that: comprises a plurality of thickness control units which are uniformly distributed on a sloping roof template in a quincunx shape,
the thickness control unit comprises a concrete prefabricated control pier arranged on the pitched roof template, and a lower embedded steel bar and an upper embedded steel bar which are arranged in the concrete prefabricated control pier in a penetrating way and are parallel to each other, the lower embedded steel bar and the concrete prefabricated control pier are arranged vertically, a pitched roof slab bottom steel bar net is bound below the lower embedded steel bar, a pitched roof slab surface steel bar net is bound above the upper embedded steel bar, the concrete prefabricated control pier and the pitched roof slab template are arranged vertically, the height of the concrete prefabricated control pier is equal to the thickness of the pitched roof slab concrete slab, the distance between the lower embedded steel bar and the bottom surface of the concrete prefabricated control pier is the sum of the thickness of a lower steel bar protective layer and the diameter of the steel bar of the pitched roof slab bottom steel bar net, the distance between the upper embedded steel bars and the top surface of the concrete prefabricated control pier is the sum of the thickness of the upper steel bar protective layer and the diameter of the steel bars of the slope roof panel steel bar mesh.
Foretell thick and the protective layer thickness of reinforcing bar controlling means of prefabricated formula sloping roof concrete plate, its characterized in that: one end of the lower embedded steel bar is connected with one transverse steel bar of the slope roof slab bottom steel bar mesh, and the other end of the lower embedded steel bar is connected with one longitudinal steel bar of the slope roof slab bottom steel bar mesh.
Foretell thick and the protective layer thickness of reinforcing bar controlling means of prefabricated formula sloping roof concrete plate, its characterized in that: the side wall of the concrete prefabricated control pier is a roughened surface.
Foretell thick and the protective layer thickness of reinforcing bar controlling means of prefabricated formula sloping roof concrete plate, its characterized in that: the distance between two adjacent thickness control units is 1100-1500 mm.
Foretell thick and the protective layer thickness of reinforcing bar controlling means of prefabricated formula sloping roof concrete plate, its characterized in that: and the sloping roof template is fixedly provided with a limiting steel nail for limiting the displacement of the concrete prefabricated control pier.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the precast concrete control piers are arranged to replace a protective layer cushion block in the prior art, and the top of the precast concrete control pier is flush with the top of the pitched roof concrete slab, so that the precast concrete control pier has the function of controlling the thickness of the pitched roof concrete slab, in addition, a plurality of precast concrete control piers are simultaneously arranged on the pitched roof template, and the upper surface of the precast concrete control pier is used as the standard for the pitched roof concrete pouring, so that the errors generated by a cutting method and a stay wire rope measuring method in the traditional concrete pouring process can be greatly reduced, the flatness of the live surface of the concrete slab is improved, the subsequent rework operation is reduced, the construction efficiency and the construction quality are greatly improved, the effect of reducing cost and improving efficiency is achieved, and the use effect is good.
2. According to the utility model, the thickness of the lower steel bar protection layer is determined by arranging the lower embedded steel bars to bind the steel bar mesh at the bottom of the sloping roof plate, the thickness of the upper steel bar protection layer is determined by binding the upper embedded steel bars to bind the steel bar mesh at the surface of the sloping roof plate, and the lower embedded steel bars and the upper embedded steel bars are combined to replace split heads in the prior art, so that the split heads are prevented from falling off, the thickness of the steel bar protection layer is sufficient, the requirements of design specifications are met, and the construction quality is high.
In conclusion, the utility model has the advantages of simple structure, reasonable design and strong practicability, and the concrete prefabricated control pier, the lower embedded steel bar and the upper embedded steel bar are arranged to replace the traditional split heads and protective layer cushion blocks, so that the thickness of the slope roof concrete slab and the thicknesses of the upper and lower steel bar protective layers are effectively controlled, errors generated by a cutting method and a stay wire rope measuring method in the traditional concrete pouring process can be greatly reduced, the subsequent reworking operation is reduced, the construction efficiency and the construction quality are greatly improved, and the use effect is good.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top plan view of the pitched roof concrete panel of fig. 1 shown without the panel being poured.
Description of reference numerals:
1-sloping roof formwork; 2-prefabricating a control pier by using concrete; 3-embedding reinforcing steel bars;
4-embedding reinforcing steel bars; 5-sloping roof slab bottom reinforcing mesh; 6-slope roof face reinforcing mesh;
7-lower reinforcing steel bar protective layer; 8-a central concrete layer; 9-arranging a steel bar protective layer;
10-limiting steel nails.
Detailed Description
As shown in fig. 1 and 2, the utility model comprises a plurality of thickness control units uniformly arranged on a sloping roof template 1 in a quincunx shape, wherein the thickness control units comprise a concrete prefabricated control pier 2 arranged on the sloping roof template 1, and a lower embedded steel bar 3 and an upper embedded steel bar 4 which are arranged in the concrete prefabricated control pier 2 in parallel, the lower embedded steel bar 3 and the concrete prefabricated control pier 2 are arranged vertically, a sloping roof plate bottom steel bar net 5 is bound below the lower embedded steel bar 3, a sloping roof plate surface steel bar net 6 is bound above the upper embedded steel bar 4, the concrete prefabricated control pier 2 and the sloping roof template 1 are arranged vertically, the height of the concrete prefabricated control pier 2 is equal to the thickness of the sloping roof plate concrete, the distance between the lower embedded steel bar 3 and the bottom surface of the concrete prefabricated control pier 2 is the sum of the thickness of a lower steel bar protective layer 7 and the diameter of the steel bar net 5 of the sloping roof plate bottom, the distance between the upper embedded steel bar 4 and the top surface of the concrete prefabricated control pier 2 is the sum of the thickness of the upper steel bar protective layer 9 and the diameter of the steel bar of the sloping roof face steel bar mesh 6.
It should be noted that the steel bars bound to the upper embedded steel bars 4 are the steel bars on the uppermost layer in the sloping roof plate steel bar mesh 6, and the steel bars bound to the lower embedded steel bars 3 are the steel bars on the lowermost layer in the sloping roof plate bottom steel bar mesh 5.
It should be noted that the thickness of the pitched roof concrete slab consists of the thickness of the lower steel bar protection layer 7, the thickness of the central concrete layer 8 and the thickness of the upper steel bar protection layer 9, and the top of the precast concrete control pier 2 is flush with the top of the pitched roof concrete slab, that is, flush with the top of the upper steel bar protection layer 9.
In this embodiment, the precast concrete control pier 2 is a cylindrical concrete pier, and the diameter of the precast concrete control pier 2 is 75 mm.
In the embodiment, the length of each lower embedded steel bar 3 is 175mm, wherein both ends of each lower embedded steel bar 3 are respectively exposed by 50cm at both sides of the concrete prefabricated control pier 2 and are used for binding the steel bar mesh 5 at the bottom of the sloping roof slab; the upper embedded steel bars 4 and the lower embedded steel bars 3 are the same in length and similar in arrangement mode.
It should be noted that the precast concrete control piers 2 are arranged to replace protective layer cushion blocks in the prior art, the tops of the precast concrete control piers 2 are flush with the tops of pitched roof concrete slabs, so that the precast concrete control piers have the function of controlling the thickness of the pitched roof concrete slabs, in addition, a plurality of precast concrete control piers 2 are simultaneously arranged on the pitched roof formwork 1, and the upper surfaces of the precast concrete control piers are used as the datum for pouring the pitched roof concrete, so that errors generated by a cutting method and a stay wire rope measuring method in the traditional concrete pouring process can be greatly reduced, the flatness of the live faces of the concrete slabs is improved, the subsequent rework operation is reduced, the construction efficiency and the construction quality are greatly improved, and the use effect is good;
through setting up 3 ligature pitched roof slab bottoms reinforcing bar nets 5 of embedded steel bar under to confirm 7 thickness of steel bar protection layer down, through last 4 ligature pitched roof face reinforcing bar nets 6 of embedded steel bar, in order to confirm 9 thickness of steel bar protection layer, embedded steel bar 3 and last embedded steel bar 4 both combine to replace the split heads muscle among the prior art down, avoid the phenomenon that the split heads muscle drops to take place, thereby guarantee that steel bar protection layer thickness is sufficient, construction quality is high.
In this embodiment, one end of the lower embedded bar 3 is connected to one transverse bar of the mat reinforcement 5, and the other end of the lower embedded bar 3 is connected to one longitudinal bar of the mat reinforcement 5.
It should be noted that a triangular stable structure is formed between the lower embedded steel bars 3 and the slope roof slab bottom reinforcing mesh 5, so as to ensure the stability of the concrete prefabricated control pier 2 during concrete pouring.
It should be noted that after the slope roof panel mesh reinforcement 6 and the slope roof panel bottom mesh reinforcement 5 are bound, the side wall of the concrete prefabricated control pier 2 is attached to the slope roof panel mesh reinforcement 6 and the slope roof panel bottom mesh reinforcement 5, so that the structure is more stable.
In this embodiment, the side wall of the precast concrete control pier 2 is a roughened surface.
It should be noted that the roughened surface of the precast concrete control pier 2 can be better combined with a poured concrete slab, so that the overall strength of the structure is ensured.
In this embodiment, the distance between two adjacent thickness control units is 1100mm to 1500 mm.
In this embodiment, the distance between two adjacent thickness control units is 1200 mm.
In this embodiment, a limiting steel nail 10 for limiting the displacement of the concrete prefabricated control pier 2 is fixedly arranged on the sloping roof formwork 1.
In this embodiment, the quantity of spacing steel nail 10 is four, and four spacing steel nails 10 are fixed in four position about 2 bottoms of precast concrete control mounds are prefabricated about to support precast concrete control mound 2, prevent that precast concrete control mound 2 from following slope roof template 1 gliding or displacement, guarantee construction quality.
It should be noted that the limiting steel nails 10 only play a role of temporary support, the limiting steel nails 10 can be removed after the slope roof panel reinforcing mesh 6 and the slope roof panel bottom reinforcing mesh 5 are bound to the current position of the concrete prefabricated control pier 2, and the position of the concrete prefabricated control pier 2 is fixed by using the reinforcing mesh, so that the limiting steel nails 10 can be reused, and the cost is lower.
When the prefabricated control pier is used, firstly, the installation positions of a plurality of concrete prefabricated control piers 2 are determined on a sloping roof template 1, and the concrete prefabricated control piers 2 and lower embedded steel bars 3 and upper embedded steel bars 4 on the concrete prefabricated control piers are installed by utilizing limiting steel nails 10; and binding the slope roof plate bottom reinforcing mesh 5 and the slope roof plate surface reinforcing steel bars 6, removing the limiting steel nails 10, and pouring slope roof surface concrete.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a thick and steel bar protective layer thickness controlling means of prefabricated formula pitched roof concrete slab which characterized in that: including a plurality of thickness control unit that are the plum blossom shape and evenly lay on pitched roof template (1), thickness control unit is including setting up precast concrete control mound (2) on pitched roof template (1) and all wear to establish in precast concrete control mound (2) and parallel lower embedded bar (3) of each other and go up embedded bar (4), lower embedded bar (3) are perpendicular with precast concrete control mound (2) and lay, pitched roof plate bottom reinforcing bar net (5) ligature is in embedded bar (3) below down, pitched roof plate reinforcing bar net (6) ligature is in last embedded bar (4) top, precast concrete precast control mound (2) are perpendicular with pitched roof template (1) and lay, the height of precast concrete control mound (2) equals with pitched roof concrete slab thickness, the interval of lower reinforcing bar embedded (3) and precast concrete control mound (2) bottom surface is the thickness of lower steel bar protective layer (7) and the steel bar net (5) of pitched roof plate bottom The sum of the diameters of the bars, and the distance between the upper embedded steel bar (4) and the top surface of the concrete prefabricated control pier (2) is the sum of the thickness of the upper steel bar protective layer (9) and the diameter of the steel bar mesh (6) on the surface of the sloping roof.
2. The prefabricated slope roof concrete slab thickness and steel bar protection layer thickness control device according to claim 1, characterized in that: one end of the lower embedded steel bar (3) is connected with one transverse steel bar of the pitched roof slab bottom steel bar mesh (5), and the other end of the lower embedded steel bar (3) is connected with one longitudinal steel bar of the pitched roof slab bottom steel bar mesh (5).
3. The prefabricated slope roof concrete slab thickness and steel bar protection layer thickness control device according to claim 1, characterized in that: the side wall of the concrete prefabricated control pier (2) is a roughened surface.
4. The prefabricated slope roof concrete slab thickness and steel bar protection layer thickness control device according to claim 1, characterized in that: the distance between two adjacent thickness control units is 1100-1500 mm.
5. The prefabricated slope roof concrete slab thickness and steel bar protection layer thickness control device according to claim 1, characterized in that: and the sloping roof template (1) is fixedly provided with a limiting steel nail (10) for limiting the displacement of the concrete prefabricated control pier (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121978525.4U CN215670556U (en) | 2021-08-20 | 2021-08-20 | Prefabricated slope roof concrete slab thickness and steel bar protective layer thickness control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121978525.4U CN215670556U (en) | 2021-08-20 | 2021-08-20 | Prefabricated slope roof concrete slab thickness and steel bar protective layer thickness control device |
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| Publication Number | Publication Date |
|---|---|
| CN215670556U true CN215670556U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121978525.4U Active CN215670556U (en) | 2021-08-20 | 2021-08-20 | Prefabricated slope roof concrete slab thickness and steel bar protective layer thickness control device |
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| Country | Link |
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| CN (1) | CN215670556U (en) |
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2021
- 2021-08-20 CN CN202121978525.4U patent/CN215670556U/en active Active
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