CN214220180U - Laminated floor slab - Google Patents
Laminated floor slab Download PDFInfo
- Publication number
- CN214220180U CN214220180U CN202023110294.3U CN202023110294U CN214220180U CN 214220180 U CN214220180 U CN 214220180U CN 202023110294 U CN202023110294 U CN 202023110294U CN 214220180 U CN214220180 U CN 214220180U
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- Prior art keywords
- steel bar
- truss
- floor slab
- wave
- coincide floor
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 8
- 238000005728 strengthening Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 239000011513 prestressed concrete Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a coincide floor, including concrete motherboard and truss, the truss is fixed in the concrete motherboard, the truss includes last chord steel bar, two last chord steel bars and wave form reinforcing bar, and the wave upper end of wave form reinforcing bar is connected to the both sides of last chord steel bar, and the lower chord steel bar distributes in the lower extreme outside of wave form reinforcing bar wave, and the truss is equipped with the hoisting point, and the hoisting point strengthening rib is connected to the wave lower extreme of the wave form reinforcing bar of hoisting point both sides. This scheme is effectual has improved the structural strength of coincide floor, be convenient for reduce the damage of hoist and mount in-process to the coincide floor, the effectual structural strength who improves the hoisting point adopts the truss as the hoisting point, has disperseed the atress of hoist and mount in-process hoisting point, and then has avoided the damage to the coincide floor, the effectual antitorque, anti cross-section shear force and the shear resistance that has improved of truss simultaneously to and coincide floor prestressing force, the promotion of the coincide floor life of being convenient for.
Description
Technical Field
The utility model relates to a building technical field, especially a coincide floor.
Background
The building industrialization has become the inevitable trend of the development of the building industry in China, the cast-in-place building mode is changed into the assembled integral building mode of prefabricating in factories and assembling on site, and the construction industrialization has become the mission of modern building practitioners.
The composite floor slab is a floor slab structure form combining prefabrication and cast-in-place, has the advantages of good integrity, high rigidity, good crack resistance, no increase of reinforcing steel bar consumption, template saving, high construction efficiency and the like, is an important component of an assembly type building, and has good application prospect.
At present, the laminated floor slab mainly comprises a common flat plate type prestressed concrete laminated floor slab, a prefabricated ribbed prestressed concrete laminated slab and a common steel bar truss laminated slab. The common flat-plate prestressed concrete laminated slab is combined with the laminated layer concrete by virtue of the rough surface on the upper surface of the bottom plate, so that the shear force of the cross section is resisted, and the shear resistance is poor; the prefabricated ribbed prestressed concrete composite slab is provided with concrete ribs, and holes for inserting reinforcing steel bars are reserved on the ribs, so that the ribs are easy to damage in the hoisting process and are not easy to insert the reinforcing steel bars; the common steel bar truss laminated slab adopts common stressed steel bars, so that the slab rigidity is low, the required slab thickness is large, the structural dead weight is increased, and the load bearing range of the slab is small; the damage easily appears at the hoisting point in the hoist and mount process, causes the damage of coincide floor, is the problem that needs the solution at present urgently.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned not enough of prior art, and providing a structural strength is high, and antitorque, anti cross-section shear force, shear resistance and ribbed prestressing force are high, and the hoist and mount safety of being convenient for improves the coincide floor of installation effect and effect.
The technical scheme of the utility model is that: the utility model provides a coincide floor, includes concrete mainboard and truss, and the truss is fixed in the concrete mainboard, the truss includes last chord steel bar, two last chord steel bars and wave form reinforcing bar, and the wave upper end of wave form reinforcing bar is connected to the both sides of last chord steel bar, and the lower chord steel bar distributes in the lower extreme outside of wave form reinforcing bar wave, and the truss is equipped with the hoisting point, and the wave lower extreme of the wave form reinforcing bar of hoisting point both sides connects the hoisting point strengthening rib.
The utility model has the advantages of, the effectual structural strength who improves the coincide floor, the truss symmetric distribution is in the both sides of coincide floor center pin, the unilateral sets up two trusses at least, be convenient for improve the structural strength of coincide floor, the effectual antitorque that improves the coincide floor that sets up of truss, cross-section resistance shear force and shear resistance, the while is ribbed, its prestressing force also further obtains improving, adopt the truss as the hoisting point in addition, be convenient for the holistic atress of coincide floor is even, avoid the atress of hoisting point excessive, the while hoisting point sets up the hoisting point strengthening rib, be convenient for disperse the atress of hoisting point, avoid damaging the coincide floor, the hoist and mount safety to the coincide floor has been improved, be convenient for its installation effectiveness and safe improvement.
Furthermore, a plurality of transverse steel bars and a plurality of longitudinal steel bars are arranged in the concrete main board and are arranged vertically.
Furthermore, the two ends of the transverse steel bar and the longitudinal steel bar extend out of the concrete main plate.
Furthermore, the extension lengths of the two ends of the transverse steel bar are both 80-110 mm.
Preferably, the two ends of the transverse reinforcing steel bar extend for 85-105 mm.
More preferably, the extension length of both ends of the transverse reinforcing steel bar is 90 mm. The promotion of the connection effect between the coincide floor of being convenient for, the structural strength and the waterproof effect's of the back floor of being convenient for simultaneously installation promotion.
Furthermore, arc-shaped hooks are arranged at two ends of the longitudinal steel bar.
Furthermore, the extension lengths of the two ends of the longitudinal steel bar are both 320-350mm, and the length of the arc-shaped hook is 35-50 mm.
Further, the truss is perpendicular to the longitudinal steel bars.
Further, the thickness of the concrete main plate is at least 15 mm. Be convenient for improve the protection to framework of steel reinforcement, improve the structural strength of coincide floor simultaneously, preferably, the concrete adopts the concrete more than C30, further improvement its structural strength.
Furthermore, four side surfaces of the concrete main plate are rough surfaces.
Further, the rough surface is a concave-convex curved surface, and the depth of the concave-convex is at least 4 mm.
The utility model has the characteristics of as follows: this scheme is effectual has improved the structural strength of coincide floor, be convenient for reduce the damage of hoist and mount in-process to the coincide floor, the effectual structural strength who improves the hoisting point adopts the truss as the hoisting point, has disperseed the atress of hoist and mount in-process hoisting point, and then has avoided the damage to the coincide floor, the effectual antitorque, anti cross-section shear force and the shear resistance that has improved of truss simultaneously to and coincide floor prestressing force, the promotion of the coincide floor life of being convenient for.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3-is a cross-sectional view of a truss;
FIG. 4 is a schematic cross-sectional view of a hoisting point bar;
1-longitudinal steel bar, 2-transverse steel bar, 3-rough surface, 4-truss, 5-hoisting point, 6-hoisting point reinforcing rib, 7-upper chord steel bar, 8-wave steel bar and 9-lower chord steel bar.
Detailed Description
As shown in the attached drawings: a composite floor slab comprises a concrete main plate and a truss 4, wherein the truss 4 is fixed in the concrete main plate, the truss 4 comprises an upper chord steel bar 7, two lower chord steel bars 9 and a waveform steel bar 8, the two sides of the upper chord steel bar 7 are connected with the upper end of the wave of the waveform steel bar 8, the lower chord steel bars 9 are distributed on the outer side of the lower end of the wave of the waveform steel bar 8, the truss 4 is provided with a lifting point 5, and the lower end of the wave of the waveform steel bar 8 on the two sides of the lifting point 5 is connected with a lifting point reinforcing rib 6; preferably, the lifting point reinforcing ribs 6 extend towards two sides of the truss 4, and the length of the extending ends at two sides is at least 80mm, so that the stress dispersion effect of the lifting point 5 is improved, and the structural strength of the stacked floor slab is prevented from being influenced by the excessive stress of the lifting point 5.
This scheme is effectual the structural strength who has improved the coincide floor, 4 symmetric distribution of truss are in the both sides of coincide floor center pin, the unilateral sets up two trusss 4 at least, be convenient for improve the structural strength of coincide floor, truss 4 set up the effectual antitorque that has improved the coincide floor, anti cross-section shear force and shear resistance, ribbing simultaneously, its prestressing force also further obtains improving, adopt truss 4 as hoisting point 5 in addition, the holistic atress of coincide floor of being convenient for is even, avoid hoisting point 5's atress excessive, hoisting point 5 sets up hoisting point strengthening rib 6 simultaneously, be convenient for disperse hoisting point 5's atress, avoid haring the coincide floor, the hoist and mount safety to the coincide floor has been improved, be convenient for its installation effectiveness and safe improvement.
In the embodiment, a plurality of transverse steel bars 2 and a plurality of longitudinal steel bars 1 are arranged in the concrete main board, and the transverse steel bars 2 and the longitudinal steel bars 1 are vertically arranged.
In the embodiment, the ends of the transverse steel bars 2 and the longitudinal steel bars 1 extend out of the concrete main plate. The extension length of both ends of the transverse reinforcing steel bar 2 is 80-110 mm. Preferably, both ends of the transverse reinforcing bars 2 are extended by 85-105 mm. More preferably, the extension length of both ends of the transverse reinforcing bar 2 is 90 mm. The promotion of the connection effect between the coincide floor of being convenient for, the structural strength and the waterproof effect's of the back floor of being convenient for simultaneously installation promotion.
In the embodiment, both ends of the longitudinal bar 1 are provided with arc-shaped hooks. Preferably, the extension lengths of both ends of the longitudinal steel bar 1 are both 320-350mm, and the length of the arc-shaped hook is 35-50 mm.
In the embodiment, the truss 4 is arranged perpendicular to the longitudinal steel bar 1; truss 4 and horizontal reinforcing bar 2 parallel arrangement are pricked through welding or iron wire and are fixed on vertical reinforcing bar 1 in the installation to be convenient for improve the joint strength between truss 4 and the concrete mainboard.
In an embodiment, the thickness of the concrete master plate is at least 15 mm. Be convenient for improve the protection to framework of steel reinforcement, improve the structural strength of coincide floor simultaneously, preferably, the concrete adopts the concrete more than C30, further improvement its structural strength.
Preferably, the concrete main plate has rough surfaces 3 on all four sides. The rough surface 3 is a concave-convex curved surface, and the depth of the concave-convex is at least 4 mm; preferably, the depth of the concave-convex is 5-10 mm; preferably, the depth of the concave-convex part is 5.5/6/7mm, so that the connecting effect and the sealing strength between the laminated floor slab and the concrete are improved.
This scheme is effectual has improved the structural strength of coincide floor, be convenient for reduce the damage of hoist and mount in-process to the coincide floor, the effectual structural strength who improves hoisting point 5 adopts truss 4 as hoisting point 5, has disperseed hoist and mount in-process hoisting point 5's atress, and then has avoided the damage to the coincide floor, the effectual antitorque that has improved of truss 4 simultaneously, anti cross-section shear force and shear resistance to and coincide floor prestressing force, the promotion of the coincide floor life of being convenient for.
The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a coincide floor, includes concrete mainboard and truss, and the truss is fixed in the concrete mainboard, its characterized in that: the truss comprises an upper chord steel bar, two lower chord steel bars and a wave-shaped steel bar, wherein the two sides of the upper chord steel bar are connected with the upper ends of the waves of the wave-shaped steel bar, the lower chord steel bar is distributed on the outer side of the lower end of the wave-shaped steel bar, the truss is provided with a lifting point, and the lower ends of the waves of the wave-shaped steel bar on the two sides of the lifting point are connected with a lifting point reinforcing rib.
2. The composite floor slab of claim 1, wherein: the concrete main board is internally provided with a plurality of transverse reinforcing steel bars and a plurality of longitudinal reinforcing steel bars, and the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are vertically arranged.
3. The composite floor slab of claim 2, wherein: and the end parts of the two ends of the transverse steel bar and the longitudinal steel bar extend out of the concrete main plate.
4. The composite floor slab of claim 3, wherein: the extension lengths of both ends of the transverse steel bar are 80-110 mm.
5. The composite floor slab of claim 3, wherein: and arc-shaped hooks are arranged at two ends of the longitudinal steel bar.
6. The composite floor slab of claim 5, wherein: the extension lengths of the two ends of the longitudinal steel bar are both 320-350mm, and the length of the arc-shaped hook is 35-50 mm.
7. The composite floor slab of claim 2, wherein: the truss is perpendicular to the longitudinal steel bars.
8. The composite floor slab of claim 1, wherein: the thickness of the concrete main plate is at least 15 mm.
9. The composite floor slab of claim 8, wherein: four side surfaces of the concrete main plate are rough surfaces.
10. The composite floor slab of claim 9, wherein: the rough surface is a concave-convex curved surface, and the depth of the concave-convex is at least 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023110294.3U CN214220180U (en) | 2020-12-22 | 2020-12-22 | Laminated floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023110294.3U CN214220180U (en) | 2020-12-22 | 2020-12-22 | Laminated floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214220180U true CN214220180U (en) | 2021-09-17 |
Family
ID=77704194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023110294.3U Active CN214220180U (en) | 2020-12-22 | 2020-12-22 | Laminated floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214220180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517563A (en) * | 2022-03-14 | 2022-05-20 | 易建网科技有限公司 | Novel truss structure |
-
2020
- 2020-12-22 CN CN202023110294.3U patent/CN214220180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517563A (en) * | 2022-03-14 | 2022-05-20 | 易建网科技有限公司 | Novel truss structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240108 Address after: No. 631 Yanxi Road, Wuyang Street, Zhongxian County, Chongqing, 404300 Patentee after: Zhongxian Sany Construction Technology Co.,Ltd. Address before: 404300 Wuyang new area, Zhongxian Industrial Park, Chongqing Patentee before: Sany Lvjian (Chongqing) Industrial Co.,Ltd. |