CN216865448U - Circular steel tube concrete column-reinforced concrete conversion beam node - Google Patents
Circular steel tube concrete column-reinforced concrete conversion beam node Download PDFInfo
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- CN216865448U CN216865448U CN202220391890.3U CN202220391890U CN216865448U CN 216865448 U CN216865448 U CN 216865448U CN 202220391890 U CN202220391890 U CN 202220391890U CN 216865448 U CN216865448 U CN 216865448U
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Abstract
The utility model discloses a round steel tube concrete column-reinforced concrete conversion beam node, which comprises an outer ring supporting plate, a stiffening rib, a primary mechanical joint and a cylindrical dowel bar, wherein the outer ring supporting plate is arranged between the round steel tube concrete column and the reinforced concrete conversion beam; the annular steel plate of outer loop layer board welds in circular steel tubular column top outward flange a week, through stiffening rib rigid coupling on the steel pipe, the vertical welding of one-level mechanical joint is on annular steel plate, and the cylinder dowel bar in the mechanical joint is as the cylinder longitudinal bar of reinforced concrete conversion roof beam height range. In the structural arrangement, the steel pipe does not extend into the position where the steel bar is arranged in the conversion beam, so that the beam longitudinal bar can freely cross the column position; the steel supporting plate is added at the top of the steel column, so that the shearing bearing capacity of the side beam end of the column is improved; longitudinal ribs are arranged on the supporting plate to form a large-diameter concrete cylinder, so that the bending resistance of the column in the node area is ensured, and the beam-column node is close to rigid connection; and enough primary mechanical joints are welded on the annular plate, so that the construction operation of the cylindrical longitudinal ribs is facilitated.
Description
Technical Field
The utility model relates to the field of constructional engineering, in particular to a round steel tube concrete column-reinforced concrete conversion beam node.
Background
The conversion layer is a structural style in the building engineering, and along with the construction development in city, the demand of many buildings is to multi-functional development for some building service function change along high-rise vertical, thereby can appear the discrete problem of vertical structure, consequently, need add the conversion layer in the middle of the discontinuous structure. At present, the most widely applied is the beam type conversion layer structure; in addition, the round steel tube concrete column is often used for a frame support column due to high axial bearing capacity, good ductility, material saving and convenient construction, and the conversion beam is often a reinforced concrete beam or a steel reinforced concrete beam with a large cross section due to large stress.
The node of the existing beam type conversion layer structure is used as a rigid connection requirement, and usually a circular steel tube concrete column enters a conversion beam, so that orthogonal beam ribs conflict with the circular steel tube concrete column, beam longitudinal ribs are difficult to anchor, the stress on the conversion beam is extremely unfavorable, and if a large amount of welding anchors are adopted, the construction is inconvenient, the construction period is long, and the field welding quality is difficult to guarantee; if the circular steel tube concrete column does not enter the beam at all and only the reinforcement cage is added in the circular steel tube concrete column, the bending resistance of the column head reinforced concrete is much weaker than that of the steel tube concrete column, and the seismic requirement of the strong column weak beam at the conversion node can not be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a round steel tube concrete column-reinforced concrete conversion beam node, the scheme is that an annular steel plate is welded at the edge of the column top of the round steel tube concrete column, a primary mechanical joint is welded on the annular steel plate, and a node arrangement mode of stiffening ribs is welded below the annular steel plate; the circular steel plate is welded on the column head of the circular steel tube concrete column, so that the shearing resistance of the beam end of the reinforced concrete conversion beam at the column side is improved, and the column longitudinal ribs are arranged in the outer ring supporting plate, so that the steel tube concrete column is expanded into a reinforced concrete column with a larger section in the beam height range, the bending resistance of the column head is ensured, and the beam column node is close to rigid connection; the convenience of construction operation when the later stage cylinder is indulged muscle and is crossed with the quadrature beam muscle has been ensured to the one-level mechanical joint of welding on the annular steel sheet.
The purpose of the utility model is realized by the following technical scheme:
a circular steel tube concrete column-reinforced concrete transfer beam node comprises an outer ring supporting plate arranged between a circular steel tube concrete column and a reinforced concrete transfer beam, wherein the outer ring supporting plate comprises an annular steel plate and a plurality of primary mechanical joints welded on the annular steel plate; the annular steel plate is welded on the periphery of the outer edge of the top of the round steel tube concrete column, and the primary mechanical joint is vertically provided with cylindrical longitudinal ribs which are inserted into the reinforced concrete conversion beam.
Preferably, a plurality of stiffening ribs are welded between the lower part of the annular steel plate and the round steel tube concrete column.
Preferably, the inner edge of the top of the round steel tube concrete column is welded with an inner lining tube with a preset thickness.
Preferably, the outer ring of a plurality of the cylindrical longitudinal ribs is provided with a welding hoop. The hooping is formed by welding to form a welding hoop, and then the welding hoop is hooped outside the cylindrical longitudinal rib.
Preferably, a plurality of one-level mechanical joint set up according to regular interval, and be no less than actual cylinder and indulge muscle quantity to indulge the muscle with the cylinder and match.
Preferably, the outer ring supporting plate outer diameter is not smaller than the outer diameter of the circular steel tube concrete column.
Preferably, the width of the reinforced concrete transfer beam is not less than the outer diameter of the circular steel tube concrete column.
Preferably, the reinforced concrete transfer beam width is smaller than the outer diameter of the circular steel tube concrete column. At the moment, the upper part of the outer ring supporting plate is equivalent to the reinforced concrete column with the enlarged section, and the reinforced concrete conversion beam is anchored into the column.
The other purpose of the utility model is realized by the following technical scheme:
a method for arranging a round steel tube concrete column-reinforced concrete conversion beam node comprises the following steps:
the steel structure part of the round steel tube concrete column-reinforced concrete conversion beam joint is manufactured in a factory;
fixing the circular steel tube concrete column, welding an annular steel plate at the edge of the top of the circular steel tube concrete column, welding a plurality of primary mechanical joints above the annular steel plate, and welding a plurality of stiffening ribs below the annular steel plate, thereby completing the circular steel tube concrete column with the outer ring supporting plate;
after a circular steel tube concrete column with an outer ring supporting plate is in place on site, the outer ring supporting plate is used as a part of a template of a reinforced concrete conversion beam, reinforced concrete conversion beam steel bars are placed on the outer ring supporting plate, corresponding cylindrical longitudinal bars are inserted into the primary mechanical joint, welding hoop rings are arranged on the outer rings of the cylindrical longitudinal bars, and finally concrete is poured to form a circular steel tube concrete column-reinforced concrete conversion beam node.
The steel pipe of the round steel pipe concrete column-reinforced concrete conversion beam node does not enter the position where the steel bars are arranged in the reinforced concrete conversion beam, so that the steel bars in the beam can transversely and freely pass through the column; the outer ring supporting plate is arranged, so that the bending resistance and the shearing resistance of the node are ensured; the use of one-level mechanical joint has guaranteed the convenience of construction operation when later stage cylinder is indulged muscle and is crossed with the quadrature beam muscle.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. compared with the existing common beam type conversion layer node, the reinforced concrete conversion beam node has the advantages that the steel pipe does not enter the position where the steel bars are arranged in the reinforced concrete conversion beam, so that the steel bars in the reinforced concrete conversion beam can freely pass through the position of the column.
2. Compared with the existing common beam type conversion layer node, if the beam width is larger than the outer diameter of the column, the outer ring supporting plate is added on the column cap, so that the problem of insufficient shearing resistance of the beam end generated when the reinforced concrete conversion beam transmits force to the column is solved.
3. Compared with the existing common beam type conversion layer node, the longitudinal ribs are arranged in the outer ring supporting plate, the steel pipe concrete column is expanded into a reinforced concrete column with a larger cross section in the beam height range, the bending resistance of a column head is ensured, and the beam column node is close to rigid connection.
4. Compared with the existing common beam type conversion layer node, the primary mechanical joint welded on the annular steel plate ensures the convenience of construction operation when the cylindrical longitudinal ribs and the orthogonal beam ribs are crossed at the later stage.
Drawings
Fig. 1 is a cross-sectional view of a round steel tube concrete column-reinforced concrete conversion beam joint according to the utility model.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a cross-sectional view of the primary mechanical joint of fig. 1 taken in cross-section.
Fig. 4 is a cross-sectional view of the stiffener of fig. 1.
Wherein the reference numerals have the following meanings:
circular steel tube concrete column 1, outer loop layer board 2, reinforced concrete conversion roof beam 3, annular steel plate 4, one-level mechanical joint 5, stiffening rib 6, cylinder indulge muscle 7, hoop 8.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1-4, a circular steel tube concrete column-reinforced concrete conversion beam node comprises a circular steel tube concrete column 1, an outer ring supporting plate 2 and a reinforced concrete conversion beam 3, wherein the outer ring supporting plate 2 is welded around the outer edge of the top of the circular steel tube concrete column 1 for a circle and comprises an annular steel plate 4, a primary mechanical joint 5 and a stiffening rib 6, and the primary mechanical joint 5 is reserved above the annular steel plate 4; the lower part is welded with the stiffening ribs 6, the reinforced concrete transfer beam 3 is arranged above the outer ring supporting plate 2, and the first-stage mechanical joint 5 is provided with vertical cylindrical longitudinal ribs 7 which are inserted into the reinforced concrete transfer beam 3.
The width of the reinforced concrete transfer beam 3 is generally not less than the outer diameter of the circular steel tube concrete column 1, and can also be less than the outer diameter of the circular steel tube concrete column.
The outer diameter of the outer ring supporting plate 2 is not less than that of the circular steel tube concrete column 1.
And a lining pipe with a certain thickness is welded at the edge of the top in the circular steel tube concrete column 1.
The primary mechanical joint 5 is designed according to regular intervals, is more than the number of the actual cylindrical longitudinal ribs 7, and is matched with the cylindrical longitudinal ribs 7.
The stiffening ribs 6 are designed according to regular intervals and meet the stress calculation requirement of the transition from force transmission of the vertical cylindrical longitudinal ribs 7 to the steel pipe column.
And whether section steel is arranged in the reinforced concrete transfer beam 3 according to the calculation requirement or not can be judged.
The outer ring of the cylindrical longitudinal bar 7 inserted into the reinforced concrete transfer beam 3 is welded with a hoop 8, and the hoop 8 is arranged according to the design requirement.
The circular steel tube concrete column 1 enters the outer ring supporting plate 2 by 30-50 mm and is generally matched with the beam longitudinal rib protective layer.
The cross sectional areas, the intervals and the positions of the longitudinal bars and the stirrups of the reinforced concrete transfer beam 3 and the outer ring supporting plate 2 all conform to the regulations of concrete structure design specifications (GB50010-2010), building structure earthquake-resistant design specifications (GB50011-2010) and high-rise building concrete structure technical specifications (JGJ 3-2010).
The circular steel tube concrete column-reinforced concrete conversion beam node steel structure part generally requires to be manufactured in a factory, a circular steel tube concrete column 1 is fixed, an outer ring supporting plate 2 is welded to the edge of the top of the column, an annular steel plate 4 contained in the outer ring supporting plate 2, a first-level mechanical joint 5 above the annular steel plate 4 and a stiffening rib 6 below the annular steel plate 4 are welded to the edge of the top of the column. After the circular steel tube concrete column with the outer ring supporting plate 2 is in place on site, the outer ring supporting plate 2 is used as a part of a template of the reinforced concrete conversion beam 3, reinforced concrete conversion beam steel bars are placed on the template, corresponding cylindrical longitudinal bars 7 are inserted into the primary mechanical joint 5, welding hoop bands 8 are arranged on the outer rings of the cylindrical longitudinal bars 7, and finally concrete is poured to form the circular steel tube concrete column-reinforced concrete conversion beam node.
The steel pipe of the round steel pipe concrete column-reinforced concrete conversion beam node does not enter the position where the steel bars are arranged in the reinforced concrete conversion beam, so that the steel bars in the beam can transversely and freely pass through the column; the outer ring supporting plate is arranged, so that the bending resistance and the shearing resistance of the node are ensured; the use of one-level mechanical joint has guaranteed the convenience of construction operation when later stage cylinder is indulged muscle and is crossed with the quadrature beam muscle.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a circular steel tube concrete column-reinforced concrete conversion beam node which characterized in that: the outer ring supporting plate comprises an annular steel plate and a plurality of primary mechanical joints welded on the annular steel plate; the annular steel plate is welded on the periphery of the outer edge of the top of the circular steel tube concrete column, the primary mechanical joint is vertically welded on the annular plate, and cylindrical longitudinal ribs which are interpenetrated and anchored in the reinforced concrete conversion beam are arranged.
2. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: a plurality of vertical stiffening ribs are welded between the lower portion of the annular steel plate and the circular steel tube concrete column.
3. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: and an inner lining pipe with preset thickness is welded on the inner edge of the top of the circular steel tube concrete column.
4. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: the outer ring of the cylindrical longitudinal rib is provided with a plurality of welding hoops.
5. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: a plurality of one-level mechanical joint sets up according to the interval of law, and is no less than actual cylinder and indulges muscle quantity.
6. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: the outer ring supporting plate outer diameter is not smaller than that of the circular steel tube concrete column.
7. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: the width of the reinforced concrete conversion beam is not less than the outer diameter of the circular steel tube concrete column.
8. The round steel tube concrete column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: the width of the reinforced concrete conversion beam is smaller than the outer diameter of the circular steel tube concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220391890.3U CN216865448U (en) | 2022-02-24 | 2022-02-24 | Circular steel tube concrete column-reinforced concrete conversion beam node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220391890.3U CN216865448U (en) | 2022-02-24 | 2022-02-24 | Circular steel tube concrete column-reinforced concrete conversion beam node |
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| CN216865448U true CN216865448U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220391890.3U Active CN216865448U (en) | 2022-02-24 | 2022-02-24 | Circular steel tube concrete column-reinforced concrete conversion beam node |
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2022
- 2022-02-24 CN CN202220391890.3U patent/CN216865448U/en active Active
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