CN210459550U - Connecting joint of reinforced concrete column and flat slab - Google Patents
Connecting joint of reinforced concrete column and flat slab Download PDFInfo
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- CN210459550U CN210459550U CN201921164232.5U CN201921164232U CN210459550U CN 210459550 U CN210459550 U CN 210459550U CN 201921164232 U CN201921164232 U CN 201921164232U CN 210459550 U CN210459550 U CN 210459550U
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Abstract
The utility model provides a connection node of a reinforced concrete column and a flat slab, wherein the reinforced concrete column passes through the flat slab and is perpendicular to the flat slab; the steel casting is arranged between the reinforced concrete column and the flat slab; the steel casting comprises a central steel pipe, weakening parts arranged around the central steel pipe and orthogonal steel plate networks arranged around the weakening parts; the reinforced concrete column is arranged in the central steel pipe; the plane of the weakening part is perpendicular to the plane of the peripheral side face of the central steel pipe; the orthogonal steel plate network is formed by splicing a plurality of unit steel grids pairwise; and the periphery of the orthogonal steel plate network, which is far away from the central steel pipe, is fixedly connected with the flat slab. By applying the technical scheme, the anti-cutting and anti-damage performance of the connection node of the reinforced concrete column and the flat slab can be realized.
Description
Technical Field
The utility model relates to a building structure field specifically indicates a connected node of reinforced concrete column and no roof beam.
Background
The slab-column structure composed of the flat slab and the reinforced concrete column is more and more widely applied to building structures due to the advantages of high floor clearance, large building use space and the like. Under the action of earthquake, the connection node of the plate column is easy to be punched and damaged, so that the damage of the floor slab caused by the damage is difficult to repair; if the node punching damage is serious, the whole structure can even be collapsed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reinforced concrete column and the connected node of no roof beam, the anti dashing of the connected node of realization reinforced concrete column and no roof beam is cut brokenly the bad property.
In order to solve the technical problem, the utility model provides a reinforced concrete column and connection node of no roof beam, the reinforced concrete column passes through the no roof beam and sets up mutually perpendicularly with the no roof beam; the steel casting is arranged between the reinforced concrete column and the flat slab; the steel casting comprises a central steel pipe, weakening parts arranged around the central steel pipe and orthogonal steel plate networks arranged around the weakening parts; the reinforced concrete column is arranged in the central steel pipe; the plane of the weakening part is perpendicular to the plane of the peripheral side face of the central steel pipe; the orthogonal steel plate network is formed by splicing a plurality of unit steel grids pairwise; and the periphery of the orthogonal steel plate network, which is far away from the central steel pipe, is fixedly connected with the flat slab.
In a preferred embodiment, the upper and lower bottom edges of the weakening part are respectively recessed towards each other to form an arc-shaped groove.
In a preferred embodiment, a plurality of pegs are fixed on the inner wall of the central steel tube along the horizontal direction.
In a preferred embodiment, the unit steel lattice is formed by four steel plates; the steel plate arranged on the outer side of the unit steel grid on the outermost periphery of the orthogonal steel plate is provided with a plurality of round holes, and the steel bars of the flat slab penetrate through the round holes to be fixedly connected with the orthogonal steel plate.
In a preferred embodiment, the width of the steel casting is 4 to 6 times the width of the reinforced concrete column.
In a preferred embodiment, still include one and hide the steel sheet, it is provided with a hole of stepping down to hide on the steel sheet, reinforced concrete column passes the hole of stepping down, it covers in to hide the steel sheet the top of steel casting.
The utility model provides a reinforced concrete column and the connected node's of no roof beam construction method has adopted foretell reinforced concrete column and the connected node of no roof beam, including following step:
(1) and (3) prefabrication stage of a factory: firstly, arranging steel castings according to the thickness of the flat slab and the section size of the reinforced concrete column and manufacturing a corresponding casting mold; then, integrally casting a steel casting on the die; then, welding a stud in a central steel pipe of the steel casting; finally, according to the position of the steel bar of the flat slab, determining the position of a round hole corresponding to the steel plate at the outermost periphery of the steel casting for drilling;
(2) and (3) field construction stage: erecting a formwork for the flat slab and the reinforced concrete column, and positioning the steel casting; penetrating the steel bars of the flat slab through the round holes and anchoring the steel bars through bolts; and pouring the flat slab and the reinforced concrete column, and covering a covering steel plate on the steel casting after the strength of the reinforced concrete column reaches the requirement, so as to finish the construction of the connection node of the reinforced concrete column and the flat slab.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a connected node of reinforced concrete column and no roof beam, the low damage is easily restoreed, and the connected node of reinforced concrete column and no roof beam weakens the part cross-section that weakens that links to each other with central steel pipe in to the steel-casting, thereby guarantees under the earthquake action, and the structure yields and only takes place in this part district section that weakens, and other regions of no roof beam can avoid destroying, and the structure is easily restoreed. The utility model discloses strengthened reinforced concrete column and no roof beam floor connected node's anti dashing and cut the destructive performance, had wide application prospect in multi-layer building.
Drawings
FIG. 1 is a schematic view of the position relationship between a flat slab and a reinforced concrete column in the preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of a flat slab and a reinforced concrete column in the preferred embodiment of the present invention;
FIG. 3 is a top view of a steel casting structure according to a preferred embodiment of the present invention;
FIG. 4 is a perspective view of a steel casting structure according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view showing the connection relationship between the central steel pipe and the weakening part of the steel casting according to the preferred embodiment of the present invention;
fig. 6 is a schematic view of the connection relationship between the steel casting and the steel bar of the flat slab in the preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
A connection node of a reinforced concrete column and a flat slab, referring to fig. 1 to 6, wherein the reinforced concrete column 2 penetrates through the flat slab 1 and is perpendicular to the flat slab 1; the steel casting structure comprises a steel casting arranged between the reinforced concrete column 2 and the flat slab 1, wherein the width of the steel casting is 4-6 times of that of the reinforced concrete column 2; the steel casting comprises a central steel pipe 5, weakening parts 8 arranged around the central steel pipe 5 and orthogonal steel plate networks arranged around the weakening parts 8, so that the condition that the yield is only generated in the section where the weakening parts 8 are located is ensured, other areas of the flat slab 1 can be prevented from being damaged, and the structure is easy to repair; the reinforced concrete column 2 is arranged in the central steel tube 5; the plane of the weakening part 8 is perpendicular to the plane of the peripheral side face of the central steel pipe 5; the orthogonal steel plate network is formed by splicing a plurality of unit steel grids 6 in pairs; the orthogonal steel plate network is far away from the periphery of the central steel pipe 5, and the outer steel plate 7 at the outermost periphery of the orthogonal steel plate network is fixedly connected with the flat slab 1. Specifically, the upper and lower bottom edges of the weakening part 8 are recessed toward each other to form arc-shaped grooves. Still include one and cover steel sheet 3, it is provided with one and steps down the hole on the steel sheet 3 to cover, reinforced concrete column 2 passes the hole of stepping down, cover steel sheet 3 lid in the top of steel casting.
In order to ensure that the shearing force and the bending moment of the flat slab 1 can be reliably transmitted to the reinforced concrete column 2, a plurality of studs 9 are fixed on the inner wall of the central steel tube 5 along the horizontal direction.
Specifically, the unit steel lattice 6 is formed by four steel plates; and the outer steel plate 7 of the unit steel grid 6 arranged at the outermost periphery of the orthogonal steel plate network is provided with a plurality of round holes, and the steel bars 4 of the flat slab 1 penetrate through the round holes to be fixedly connected with the orthogonal steel plates.
A construction method of a connecting node of a reinforced concrete column and a flat slab comprises the following steps:
(1) and (3) prefabrication stage of a factory: firstly, arranging a steel casting and manufacturing a corresponding casting mold according to the thickness of the flat slab 1 and the section size of the reinforced concrete column 2; then, integrally casting a steel casting on the die; then, welding a stud 9 in the central steel pipe 5 of the steel casting; finally, according to the position of the reinforcing steel bar 4 of the flat slab 1, determining the position of a round hole corresponding to the steel plate at the outermost periphery of the steel casting for drilling;
(2) and (3) field construction stage: erecting a formwork for the flat slab 1 and the reinforced concrete column 2, and positioning a steel casting; the reinforcing steel bars 4 of the flat slab 1 penetrate through the round holes and are anchored through bolts 10; and (3) pouring the flat slab 1 and the reinforced concrete column 2, and covering a covering steel plate on the steel casting after the strength of the reinforced concrete column 2 reaches the requirement, so as to complete the construction of the connection node of the reinforced concrete column 2 and the flat slab 1.
The utility model provides a connected node of reinforced concrete column and no roof beam, the low damage is easily restoreed, and reinforced concrete column 2 weakens with 8 cross-sections of weakening part that central steel pipe 5 links to each other in the steel-casting with the connected node of no roof beam 1 to guarantee under the earthquake action, the structure yields and only takes place in this 8 district sections that weaken part, and other regions of no roof beam 1 can avoid destroying, and the structure is easily restoreed. The utility model discloses strengthened reinforced concrete column 2 and the anti dashing of 1 connected node of no roof beam and cut the destructive performance, had wide application prospect in multi-layer construction.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (6)
1. A reinforced concrete column and connection node of the flat slab, the said reinforced concrete column crosses the said flat slab and sets up perpendicular to said flat slab; the steel casting is characterized by comprising a steel casting arranged between the reinforced concrete column and the flat slab; the steel casting comprises a central steel pipe, weakening parts arranged around the central steel pipe and orthogonal steel plate networks arranged around the weakening parts; the reinforced concrete column is arranged in the central steel pipe; the plane of the weakening part is perpendicular to the plane of the peripheral side face of the central steel pipe; the orthogonal steel plate network is formed by splicing a plurality of unit steel grids pairwise; and the periphery of the orthogonal steel plate network, which is far away from the central steel pipe, is fixedly connected with the flat slab.
2. A joint of a reinforced concrete column and a flat slab as claimed in claim 1, wherein the upper and lower bottom edges of the weakening member are recessed in opposite directions to form arc grooves, respectively.
3. A reinforced concrete column and flat slab connection as claimed in claim 1, wherein a plurality of studs are fixed to the inner wall of the central steel tube in a horizontal direction.
4. A reinforced concrete column and flat slab connection as claimed in claim 1, wherein said unit steel lattice is defined by four sheets of steel plates; the steel plate arranged on the outer side of the unit steel grid on the outermost periphery of the orthogonal steel plate is provided with a plurality of round holes, and the steel bars of the flat slab penetrate through the round holes to be fixedly connected with the orthogonal steel plate.
5. A reinforced concrete column and flat slab connection node as claimed in claim 1, wherein said steel casting has a width 4 to 6 times the width of said reinforced concrete column.
6. The joint of a reinforced concrete column and a flat slab as claimed in claim 1, further comprising a covering steel plate, wherein the covering steel plate is provided with a hole for the step down, the reinforced concrete column passes through the hole for the step down, and the covering steel plate covers the steel casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921164232.5U CN210459550U (en) | 2019-07-23 | 2019-07-23 | Connecting joint of reinforced concrete column and flat slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921164232.5U CN210459550U (en) | 2019-07-23 | 2019-07-23 | Connecting joint of reinforced concrete column and flat slab |
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| CN210459550U true CN210459550U (en) | 2020-05-05 |
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| CN201921164232.5U Active CN210459550U (en) | 2019-07-23 | 2019-07-23 | Connecting joint of reinforced concrete column and flat slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258819A (en) * | 2019-07-23 | 2019-09-20 | 华侨大学 | A kind of connecting node and its construction method of reinforced column and arch without beam |
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2019
- 2019-07-23 CN CN201921164232.5U patent/CN210459550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258819A (en) * | 2019-07-23 | 2019-09-20 | 华侨大学 | A kind of connecting node and its construction method of reinforced column and arch without beam |
| CN110258819B (en) * | 2019-07-23 | 2023-12-29 | 华侨大学 | Connecting node of reinforced concrete column and flat slab and construction method thereof |
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