CN213572577U - Laminated floor without exposed reinforcing steel bars - Google Patents
Laminated floor without exposed reinforcing steel bars Download PDFInfo
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- CN213572577U CN213572577U CN202022167900.9U CN202022167900U CN213572577U CN 213572577 U CN213572577 U CN 213572577U CN 202022167900 U CN202022167900 U CN 202022167900U CN 213572577 U CN213572577 U CN 213572577U
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Abstract
The utility model discloses a laminated floor without exposed reinforcing steel bars, which comprises precast slabs and truss reinforcing steel bars; the utility model changes the reinforcing bar arrangement mode of the traditional composite floor slab through ingenious design, and can ensure that the longitudinal reinforcing bars of the composite slab do not extend out of the concrete, thereby avoiding the construction trouble and the reinforcing bar collision problem caused by the exposed reinforcing bars and greatly improving the production efficiency; the utility model adopts the mode of slotting the key slot at the plate end, the key slot die and the laminated slab die are convenient to disassemble, and the laminated slab die does not need to reserve a steel bar slot hole, thereby improving the repeated utilization rate of the die by times and reducing the production cost; utility model utilizes the lapped principle of reinforcing bar keyway, replaces traditional superimposed sheet's the reinforcing bar that exposes with the additional reinforcing bar, through offering the transmission of power between the keyway increase overlap joint reinforcing bar, can avoid the board end crack to produce, improves product quality, need not additional transverse reinforcement when the on-the-spot installation simultaneously, makes the installation more convenient, save material and cost of labor.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a coincide floor of no reinforcing bar that exposes.
Background
At present, 56 national housing industrialization bases exist in the assembly type building industry nationwide, 11 housing industrialization pilot cities exist, and the industry integrally shows a brisk development state. The fire mountain hospital in 2020 epidemic situation adopts the assembly type construction technology to create the wonderful trails of the construction industry! The country again vigorously promotes the assembly type technology, and the development of assembly type building and building industrialization is greatly promoted to be a necessary trend in view of all aspects of conditions, and the laminated slab is taken as one of the components and is not exceptional.
The composite floor slab is an integral assembly structure formed by the prefabricated components and the post-cast concrete composite layer, so that the defects of long construction period, great self weight and the like of the cast-in-place floor slab are overcome, the defects of poor integral performance and poor anti-seismic capability of the prefabricated and assembled floor slab are overcome, and the advantages of the cast-in-place and the prefabricated components are maintained. Compared with prefabricated assembled floor slabs, the composite floor slab has the advantages of high rigidity, good earthquake resistance, short construction period, template saving and the like. Based on the advantages of the laminated slab, the usage amount and the application range of the laminated floor slab in engineering construction at home and abroad are continuously enlarged.
Because the length of the exposed steel bar of the laminated plate is required, the laminated plate is easy to displace in the cast-in-place process, so that the length cannot meet the requirement, and the production yield is influenced. In the finished product stacking process, exposed reinforcing steel bars are easy to be trampled or cause reinforcing steel bar deformation due to external factors and the like, and the reinforcing steel bars can be corroded after being placed for a long time. In the transportation process, the exposed reinforcing steel bars at the periphery are overlong, so that the collision between the template and the template is easily formed; in the hoisting process, the exposed steel bars are not easy to place, so that the hoisting error of the precast slabs is large, and the gaps between the laminated slabs are too large, so that the production yield is influenced by the exposed steel bars, the installation time is prolonged, and the cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
An object of the utility model is to provide a do not have coincide floor that exposes reinforcing bar will expose the reinforcing bar and save when production, and collision, error when installing when in addition can avoid the transportation through the back reinforcing bar when cast-in-place floor are big, and the hoist and mount installation of being convenient for makes the secondary pour more firm.
2. Technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a laminated floor without exposed steel bars comprises precast slabs and truss steel bars; the prefabricated slab is of a flat rectangular structure formed by pouring concrete and cement, the bottom of the truss steel bar is fixed in the prefabricated slab, and the top of the truss steel bar extends out of the top surface of the prefabricated slab; the two truss reinforcing steel bars are symmetrically arranged along the long axis of the prefabricated slab; the prefabricated slab is characterized in that groove groups are symmetrically arranged on the short edge of the prefabricated slab along the wide axis, and each groove group is composed of an even number of grooves symmetrically formed along the long axis of the prefabricated slab.
In the laminated floor slab, the depth of the groove is 3cm, and the length of the groove is 10-30 cm.
The laminated floor slab is characterized in that the thickness of the prefabricated slab is 6 cm.
In the above laminated floor slab, the groove is formed by a plurality of cylindrical grooves overlapped in the axial direction.
The above-mentioned coincide floor, wherein, prefabricated plate top surface sideline chamfer.
The above laminated floor slab, wherein each of said groove sets comprises 6 of said grooves.
In the laminated floor slab, 4 grooves in each groove group are symmetrically arranged between two truss transverse ribs, and the rest 2 grooves are symmetrically arranged at the corner positions of the short sides of the precast slabs.
The composite floor slab further comprises a waist beam; the wale is arranged in the precast slab and is welded and connected with the bottom of the truss steel bar.
3. Advantageous effects
To sum up, the beneficial effects of the utility model reside in that:
(1) the utility model discloses a superimposed floor changes the reinforcing bar arrangement mode of traditional superimposed floor through ingenious design, can make the longitudinal reinforcement of superimposed sheet not stretch out the concrete to avoid exposing construction puzzlement and reinforcing bar collision problem that the reinforcing bar brought, can improve production efficiency greatly;
(2) the utility model discloses a coincide floor adopts the mode of board end keyway, and keyway mould and superimposed sheet mould are convenient to be dismantled, and the superimposed sheet mould need not to reserve the reinforcing bar slotted hole again to make the reuse ratio of mould improve at double, but reduction in production cost;
(3) utility model's coincide floor utilizes the lapped principle of reinforcing bar keyway, replaces traditional superimposed sheet's the reinforcing bar that exposes with additional reinforcing bar, through offering the transmission of power between the keyway increase overlap joint reinforcing bar, can avoid the board end crack to produce, improves product quality, need not additional transverse reinforcement during field installation simultaneously, makes the installation more convenient, save material and cost of labor.
Drawings
FIG. 1 is a schematic structural view of a composite floor slab without exposed reinforcing bars of the present invention;
FIG. 2 is a cross-sectional view of the composite floor slab without exposed reinforcing bars of the present invention;
fig. 3 is the utility model discloses the coincide floor slab recess's of no reinforcing bar that exposes plan view.
In the figure, 1-precast slab; 2-truss steel bars; 3-groove group; 4-a groove; 5-a cylindrical groove; 6-waist rail.
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, the present invention provides a technical solution: a laminated floor without exposed steel bars comprises precast slabs 1 and truss steel bars 2; the prefabricated slab 1 is of a flat rectangular structure formed by pouring concrete and cement, the thickness of the prefabricated slab is 6cm, the bottom of the truss steel bar 2 is fixed in the prefabricated slab 1, and the top of the truss steel bar extends out of the top surface of the prefabricated slab 1; the two truss steel bars 2 are symmetrically arranged along the long axis of the prefabricated slab 1; the prefabricated slab 1 is characterized in that groove groups 3 are symmetrically arranged on the short edge of the prefabricated slab 1 along the wide axis, each groove group 3 is composed of an even number of grooves 4 symmetrically formed along the long axis of the prefabricated slab 1, the depth of each groove 4 is 3cm, the length of each groove is 10-30 cm, the proper height is reserved, the steel bars inserted in the cast-in-place process can be conveniently installed, the strength of a floor slab can be kept unchanged, and the collision among the steel bars extending in the manufacturing, transporting and installing processes is reduced because the whole prefabricated slab 1 does not have the steel bars extending out, and the manufacturing, transporting and installing efficiency is improved.
Referring to fig. 3, the groove 4 is preferably formed by a plurality of cylindrical grooves 5 which are overlapped along the axial direction.
Preferably, the top side lines of the prefabricated panels 1 are chamfered, and during installation, the chamfer of one prefabricated panel 1 and the chamfer of the other prefabricated panel 1 are closed to form a corner position of the wall.
Preferably, each groove set 3 comprises 6 of said grooves 4. 4 grooves 4 in each groove group 3 are symmetrically arranged between two truss transverse ribs 2, and the rest 2 grooves 4 are symmetrically arranged at the short-side corners of the precast slab 1.
Referring to fig. 2, the waist rail also comprises a waist rail 6; the wale 6 is arranged in the precast slabs 1 and is welded and connected with the bottoms of the truss reinforcing steel bars 2, and is used for improving the connection strength between the truss reinforcing steel bars 2 and the precast slabs 1.
When the prefabricated slab is used, after the prefabricated slabs 1 are hoisted to the number positions, the two prefabricated slabs 1 are aligned, connecting steel bars are inserted into the corresponding grooves 4, the connecting steel bars are placed in the same direction as the truss steel bars 2, the upper ends of the connecting steel bars, the upper ends of the walls and the upper parts of the beams on the two sides are reinforced, and secondary pouring is carried out on holes of the grooves 4 and the surfaces of the prefabricated slabs 1.
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 (8)
1. The utility model provides a coincide floor of no exposed reinforcing bar which characterized in that: comprises a precast slab (1) and truss steel bars (2); the prefabricated slab (1) is of a flat rectangular structure formed by pouring concrete and cement, the bottom of the truss steel bar (2) is fixed in the prefabricated slab (1), and the top of the truss steel bar extends out of the top surface of the prefabricated slab (1); the two truss reinforcing steel bars (2) are symmetrically arranged along the long axis of the prefabricated plate (1); the prefabricated slab (1) is characterized in that groove groups (3) are symmetrically arranged on the short edge of the prefabricated slab (1) along the wide axis, and each groove group (3) is composed of an even number of grooves (4) symmetrically formed along the long axis of the prefabricated slab (1).
2. The laminated floor slab without exposed steel bars as claimed in claim 1, wherein: the depth of the groove (4) is 3cm, and the length of the groove is 10-30 cm.
3. The laminated floor slab without exposed steel bars as claimed in claim 2, wherein: the thickness of the precast slab (1) is 6 cm.
4. A laminated floor slab without exposed reinforcing bars as claimed in claim 3, wherein: the groove (4) is composed of a plurality of cylindrical grooves (5) which are overlapped along the axial direction.
5. The laminated floor slab without exposed steel bars as claimed in claim 1, wherein: and the top side line of the precast slab (1) is chamfered.
6. The laminated floor slab without exposed steel bars as claimed in claim 1, wherein: each groove group (3) comprises 6 grooves (4).
7. The laminated floor slab without exposed steel bars as claimed in claim 6, wherein: 4 grooves (4) in each groove group (3) are symmetrically arranged between two truss steel bars (2), and the rest 2 grooves (4) are symmetrically arranged at the short-side corner positions of the precast slab (1).
8. The laminated floor slab without exposed steel bars as claimed in claim 1, wherein: also comprises a wale (6); the wale (6) is arranged in the precast slab (1) and is connected with the bottom of the truss steel bar (2) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022167900.9U CN213572577U (en) | 2020-09-28 | 2020-09-28 | Laminated floor without exposed reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022167900.9U CN213572577U (en) | 2020-09-28 | 2020-09-28 | Laminated floor without exposed reinforcing steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213572577U true CN213572577U (en) | 2021-06-29 |
Family
ID=76579033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022167900.9U Active CN213572577U (en) | 2020-09-28 | 2020-09-28 | Laminated floor without exposed reinforcing steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213572577U (en) |
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2020
- 2020-09-28 CN CN202022167900.9U patent/CN213572577U/en active Active
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