CN218148889U - Rectangular steel tube concrete column-reinforced concrete conversion beam node - Google Patents
Rectangular steel tube concrete column-reinforced concrete conversion beam node Download PDFInfo
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- CN218148889U CN218148889U CN202222525348.5U CN202222525348U CN218148889U CN 218148889 U CN218148889 U CN 218148889U CN 202222525348 U CN202222525348 U CN 202222525348U CN 218148889 U CN218148889 U CN 218148889U
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Abstract
The utility model discloses a rectangular steel pipe concrete column-reinforced concrete conversion beam node, which comprises a steel supporting plate arranged between the rectangular steel pipe concrete column and the reinforced concrete conversion beam, stiffening ribs arranged below the supporting plate, a primary mechanical joint on the supporting plate and a column dowel bar; the steel supporting plate is welded on the periphery of the outer edge of the top of the rectangular steel pipe column and fixedly connected to the steel pipe through the stiffening ribs, the primary mechanical joint is vertically welded on the steel supporting plate, and the inner inserted ribs of the mechanical joint serve as column longitudinal ribs within the height range of the reinforced concrete conversion beam. The steel pipe does not extend into the position of the conversion beam where the steel bar is arranged in the structural arrangement of the utility model, thereby ensuring that the longitudinal bar of the beam can freely cross the column position; the steel supporting plate is added on the top of the steel column, so that the shearing resistance and bearing capacity of the side beam end of the column are improved; column longitudinal ribs are arranged on the steel supporting plate to form a large-size concrete column, 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 steel plate, so that the insertion operation of the column longitudinal bar is facilitated.
Description
Technical Field
The utility model relates to a building engineering field, in particular to rectangle concrete filled steel tube column-reinforced concrete conversion roof beam node.
Background
The conversion layer is a structural style among 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 architecture in the middle of the discontinuous structure. Currently, the most widely used is the beam-type conversion structure; in addition, the rectangular steel tube concrete column is often used for frame struts because of high axial bearing capacity, good ductility, material conservation and convenient construction, and the conversion beam is often a reinforced concrete beam or a steel reinforced concrete beam with a larger cross section because of large stress.
In order to ensure the node rigid connection of the beam type conversion structure, the method is that the rectangular steel tube concrete column enters the conversion beam, so that orthogonal beam ribs conflict with the rectangular steel tube concrete column, longitudinal beam ribs are difficult to anchor, the stress of the conversion beam is extremely unfavorable, and if a large amount of welding anchors are adopted, the site construction is inconvenient, the construction period is long, and the welding quality on site is difficult to ensure; if the rectangular concrete-filled steel tube column does not enter the beam at all and the reinforcement cage is only added in the rectangular concrete-filled steel tube column, the bending resistance of the column head reinforced concrete is much weaker than that of the concrete-filled steel tube column, and the seismic requirement of the strong column and the weak beam at the conversion node can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a rectangular steel pipe concrete column-reinforced concrete conversion beam node which can meet the force transmission and is convenient for construction, the steel pipe in the structural arrangement of the utility model does not extend into the conversion beam to be provided with a reinforcing steel bar, and the beam longitudinal bar can freely cross the column position; the steel supporting plate is added on the top of the steel column, so that the shearing resistance and bearing capacity of the side beam end of the column are improved; column longitudinal ribs are arranged on the steel supporting plate to form a large-size concrete column, 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 steel plate, so that the insertion operation of the column longitudinal ribs is facilitated.
The purpose of the utility model is realized through the following technical scheme:
the rectangular concrete filled steel tube column-reinforced concrete transfer beam node comprises a steel supporting plate arranged between the rectangular concrete filled steel tube column and the reinforced concrete transfer beam and a plurality of primary mechanical joints welded on the steel supporting plate; the steel supporting plate is welded on the periphery of the outer edge of the top of the rectangular concrete filled steel tube column, the primary mechanical joint is vertically welded on the steel supporting plate, and column longitudinal ribs which are interpenetrated and anchored in the reinforced concrete conversion beam are arranged on the joint.
Preferably, a plurality of stiffening ribs are welded between the lower part of the steel supporting plate and the rectangular concrete-filled steel tube column.
Preferably, an inner lining pipe with a preset thickness is welded on the inner edge of the top of the rectangular concrete filled steel tube column.
Preferably, a plurality of stirrup ties are arranged around the longitudinal bars of the column.
Preferably, a plurality of one-level mechanical joint sets up according to regular interval, and is no less than actual post and indulges muscle quantity.
Preferably, the width of the steel supporting plate is determined according to calculation, and the requirement of the bending resistance bearing capacity of the reinforced concrete column within the height range of the reinforced concrete conversion beam is met.
Preferably, the width of the reinforced concrete transfer beam is not less than that of the rectangular concrete-filled steel tube column.
Preferably, the width of the reinforced concrete conversion beam is smaller than that of the rectangular concrete-filled steel tube column. At the moment, the upper part of the steel 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 arrangement method of the rectangular steel tube concrete column-reinforced concrete conversion beam node comprises the following steps:
the steel structure part of the rectangular concrete filled steel tube column-reinforced concrete transfer beam joint is manufactured in a factory;
fix the rectangle steel core concrete column, at the capital edge welding steel layer board of rectangle steel core concrete column, a plurality of one-level mechanical joint of steel layer board top welding, a plurality of stiffening ribs of below welding, rectangle steel pipe is strengthened at the inboard welding inside lining steel pipe of capital, accomplishes the rectangle steel core concrete column of belted steel layer board from this.
After the rectangular concrete-filled steel tube column with the steel supporting plate is in place on site, the steel supporting plate is used as a part of a template of the reinforced concrete conversion beam, reinforced bars of the reinforced concrete conversion beam are placed on the steel supporting plate, corresponding column longitudinal bars are inserted into the primary mechanical joints, stirrups are arranged around the column longitudinal bars, and finally concrete is poured to form the rectangular concrete-filled steel tube column-reinforced concrete conversion beam node.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. compare with current general beam type conversion layer node, the utility model discloses because the steel pipe does not enter into the interior arrangement reinforcing bar department of reinforced concrete conversion roof beam, guaranteed the position that the interior reinforcing bar of reinforced concrete conversion roof beam can freely pass the post.
2. Compare with current general beam type conversion layer node, if the beam width is greater than the post width, the utility model discloses add steel layer board at the column cap and improved the ability of shearing of post limit beam-ends when reinforced concrete conversion roof beam biography power gives the post.
3. Compare with current general beam type conversion layer node, the utility model discloses set up in the steel layer board and indulge the muscle, the reinforced concrete column of column cap has been guaranteed to the larger cross-sectional reinforced concrete column at the high scope of roof beam expansion for the beam column node is close rigid coupling.
4. Compare with current general beam type conversion layer node, the utility model discloses welded one-level mechanical joint has ensured the convenience of construction operation when later stage post is indulged muscle and quadrature beam muscle and is crossed on the steel layer board.
Drawings
Fig. 1 is the cross-sectional view of rectangle steel pipe concrete column-reinforced concrete conversion roof beam node of the utility model.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>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:
the concrete-filled steel tube column comprises a rectangular concrete-filled steel tube column-1, a steel supporting plate-2, a reinforced concrete transfer beam-3, stirrups-4, a primary mechanical joint-5, stiffening ribs-6 and column longitudinal ribs-7.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1-4, the rectangular reinforced concrete-filled steel tube column-reinforced concrete transfer beam node comprises a steel supporting plate 2 arranged between a rectangular reinforced concrete-filled steel tube column 1 and a reinforced concrete transfer beam 3, a stiffening rib 6 under the supporting plate, a primary mechanical joint 5 on the supporting plate and a column inserting rib 7; the steel supporting plate 2 is welded on the periphery of the top outer edge of the rectangular steel pipe column 1 and fixedly connected to a steel pipe through the stiffening ribs 6, the one-level mechanical joint 5 is vertically welded on the steel supporting plate 2, and the reinforcing bars in the mechanical joint 5 serve as column longitudinal bars 7 within the height range of the reinforced concrete conversion beam 3.
And a plurality of stiffening ribs 6 are welded between the lower part of the steel supporting plate 2 and the rectangular concrete-filled steel tube column 1.
And welding a lining pipe with a preset thickness on the inner edge of the top of the rectangular concrete-filled steel tube column 1.
And a plurality of hooping 4 are arranged around the column longitudinal rib 7.
A plurality of one-level mechanical joint 5 set up according to the interval of law, and are no less than 7 quantity of actual post longitudinal reinforcement.
The width of the steel supporting plate 2 is determined according to calculation, and the requirement of the bending resistance bearing capacity of the reinforced concrete column 1 within the height range of the reinforced concrete transfer beam 3 is met.
The width of the reinforced concrete transfer beam 3 is not less than that of the rectangular concrete-filled steel tube column 1.
The width of the reinforced concrete transfer beam 3 is smaller than that of the rectangular concrete-filled steel tube column 1. At the moment, the upper part of the steel supporting plate 2 is equivalent to the reinforced concrete column with the enlarged section, and the reinforced concrete transfer beam 3 is anchored in the column.
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 column longitudinal ribs 7 to the steel pipe column.
And whether the section steel is arranged in the reinforced concrete transfer beam 3 according to the calculation requirement.
The welding position of the steel supporting plate 2 is 30-50 mm lower than the top of the rectangular concrete filled steel tube column 1, and the steel supporting plate is generally matched with a beam longitudinal bar protective layer.
The cross sectional areas, the intervals and the positions of the longitudinal bars and the stirrups of the rectangular steel tube concrete column-reinforced concrete transfer beam all meet the regulations of concrete structure design specifications (GB 50010-2010), building structure earthquake-resistant design specifications (GB 50011-2010) and high-rise building concrete structure technical regulations (JGJ 3-2010).
The rectangular concrete filled steel tube column-reinforced concrete conversion beam node steel structure part is generally required to be manufactured in a factory, the rectangular concrete filled steel tube column 1 is fixed, a steel supporting plate 2 is welded to the edge of the top of the column, and a first-stage mechanical joint 5 above the steel supporting plate 2 and a stiffening rib 6 below the steel supporting plate are welded. After the rectangular concrete filled steel tube column with the steel supporting plate 2 is in place on site, the steel supporting plate 2 serves 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 column longitudinal bars 7 are inserted into the primary mechanical joint 5, stirrups 4 are arranged around the column longitudinal bars 7, and finally concrete is poured to form the rectangular concrete filled steel tube column-reinforced concrete conversion beam node.
The steel pipes of the rectangular concrete-filled steel tube column-reinforced concrete conversion beam joint do not enter the position where the reinforcing steel bars are arranged in the reinforced concrete conversion beam, so that the reinforcing steel bars in the beam can transversely and freely pass through the column; the steel supporting plate is arranged, so that the bending resistance and the shearing resistance of the node are ensured; the use of the first-stage mechanical joint ensures the convenience of construction operation when the post longitudinal bar and the orthogonal beam bar are crossed in the later period.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are 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 equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. Rectangle steel pipe concrete column-reinforced concrete conversion beam node, its characterized in that: the device comprises a steel supporting plate arranged between a rectangular concrete filled steel tube column and a reinforced concrete transfer beam and a plurality of primary mechanical joints welded on the steel supporting plate; the steel supporting plate is welded on the periphery of the outer edge of the top of the rectangular steel pipe concrete column, the primary mechanical joint is vertically welded on the steel supporting plate, and column longitudinal ribs which are inserted and anchored in the reinforced concrete conversion beam are arranged on the joint to form a large-size concrete column; a plurality of stirrup drawties are arranged around the column longitudinal bars.
2. The rectangular concrete-filled steel tube column-reinforced concrete transfer beam joint of claim 1, wherein: a plurality of vertical stiffening ribs are welded between the lower portion of the steel supporting plate and the rectangular concrete-filled steel tube column.
3. The rectangular concrete-filled steel tube column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: and welding the inner edge of the top of the rectangular concrete-filled steel tube column with a lining tube with a preset thickness.
4. The rectangular concrete-filled steel tube column-reinforced concrete transfer beam joint of claim 1, wherein: a plurality of one-level mechanical joint sets up according to the interval of law, and is no less than actual post and indulges muscle quantity.
5. The rectangular concrete-filled steel tube column-reinforced concrete transfer beam joint as claimed in claim 1, wherein: the width of the steel supporting plate is determined according to calculation, and the requirement of the bending resistance bearing capacity of the reinforced concrete column within the height range of the reinforced concrete transfer beam is met.
6. The rectangular concrete-filled steel tube column-reinforced concrete transfer beam joint of claim 1, wherein: the width of the reinforced concrete transfer beam is not less than that of the rectangular concrete-filled steel tube column.
7. The rectangular concrete-filled steel tube column-reinforced concrete transfer beam joint of claim 1, wherein: the width of the reinforced concrete transfer beam is smaller than that of the rectangular concrete-filled steel tube column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222525348.5U CN218148889U (en) | 2022-09-23 | 2022-09-23 | Rectangular steel tube concrete column-reinforced concrete conversion beam node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222525348.5U CN218148889U (en) | 2022-09-23 | 2022-09-23 | Rectangular steel tube concrete column-reinforced concrete conversion beam node |
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| Publication Number | Publication Date |
|---|---|
| CN218148889U true CN218148889U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222525348.5U Active CN218148889U (en) | 2022-09-23 | 2022-09-23 | Rectangular steel tube concrete column-reinforced concrete conversion beam node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218148889U (en) |
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- 2022-09-23 CN CN202222525348.5U patent/CN218148889U/en active Active
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