CN215166496U - A kind of subway composite station bridge cap conversion beam joint - Google Patents
A kind of subway composite station bridge cap conversion beam joint Download PDFInfo
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- CN215166496U CN215166496U CN202120250264.8U CN202120250264U CN215166496U CN 215166496 U CN215166496 U CN 215166496U CN 202120250264 U CN202120250264 U CN 202120250264U CN 215166496 U CN215166496 U CN 215166496U
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Abstract
本实用新型涉及一种地铁合建体站桥承台转换梁节点，所述转换梁包括空腹式型钢混凝土梁和其顶部的钢管混凝土柱；钢管混凝土柱包含有内层钢管和外层钢管，内外同轴设置；空腹式型钢混凝土梁包含有工字形型钢和工字形型钢外包覆的槽型钢板框架；钢管混凝土柱的内层钢管和外层钢管底部均固定在工字形型钢的顶部，槽型钢板框架在钢管混凝土柱位置开孔。本实用新型对解决组合结构转换梁柱节点技术问题有重要意义，构件间的滑移现象被有效控制，整体性和受力性能大为提高，具有承载力高、抗震性能好的优点，同时还具有质量轻和施工方便的特点，符合国家大力发展绿色建筑结构的趋势。
The utility model relates to a transition beam node for a bridge cap of a combined subway station. Coaxial arrangement; hollow-shaped steel-concrete beams include I-shaped steel and a channel-shaped steel plate frame clad with I-shaped steel; the bottom of the inner steel pipe and outer steel pipe of the CFST column are fixed on the top of the I-shaped steel, and the groove type The steel plate frame has holes at the location of the concrete-filled steel tubular column. The utility model is of great significance for solving the technical problem of the beam-column joint of the composite structure conversion, the slip phenomenon between the components is effectively controlled, the integrity and the force performance are greatly improved, and the utility model has the advantages of high bearing capacity and good seismic performance, and also It has the characteristics of light weight and convenient construction, which is in line with the trend of the country to vigorously develop green building structures.
Description
Technical Field
The utility model belongs to the technical field of subway station structure, concretely relates to subway closes building body station bridge bearing platform conversion beam node.
Background
In recent years, with the increasing urban population, traffic problems become more severe, and the joint construction of bridges and subways for saving space in cities is called an effective means for solving the problems. The bridge and the subway station are built together, the load on the upper part of the bridge is transmitted in the station through a beam column system, but the phenomenon of deformation, structural strength damage, uneven settlement and the like of the station structure can be caused by a large concentrated load, and the subway station belongs to an important public building, the using function can not be interrupted or needs to be recovered as soon as possible when an earthquake disaster happens, so that the structure system has necessary anti-seismic bearing capacity, good deformation capability and energy consumption capability.
Because the beam column node is a key part, the node is related to the safety and the stability of the whole structure and is a core part of the structural damage, and the node is difficult to repair once damaged. The joints adopted in the existing structure have large occupied area, complex structure and inconvenient construction, and the structure that the combination columns and the combination beams are combined together is rarely adopted at present.
Disclosure of Invention
The utility model aims at providing a subway closes body station bridge cushion cap conversion beam node of building combines conversion beam and steel core concrete column to be a whole in the node, makes the structure have sufficient rigidity and intensity, transmits and coordinates the internal force and the deformation of structure.
The utility model discloses the technical scheme who adopts does:
the utility model provides a subway co-construction body station bridge cushion cap conversion beam node which characterized in that:
the node is a connecting area of the hollow type steel pipe concrete beam and the top steel pipe concrete column;
the steel tube concrete column comprises an inner layer steel tube and an outer layer steel tube which are coaxially arranged inside and outside; the hollow type steel reinforced concrete beam comprises I-shaped steel and a channel steel plate frame coated outside the I-shaped steel; the bottoms of the inner layer steel pipe and the outer layer steel pipe of the steel pipe concrete column are fixed at the top of the I-shaped section steel, and the groove steel frame is provided with holes at the position of the steel pipe concrete column.
The groove-shaped steel plate frame comprises an upper groove-shaped steel plate with a downward notch and a lower groove-shaped steel plate with an upward notch, the two transverse ends of the upper groove-shaped steel plate and the lower groove-shaped steel plate are connected through an oblique web member and a vertical web member, and a connecting plate is arranged at the connecting node.
Vertical channel steel shear connectors are arranged at the top of the upper groove-shaped steel plate and at the bottom of the lower groove-shaped steel plate.
Vertical preformed holes are formed in the upper groove-shaped steel plate and the lower groove-shaped steel plate.
And a steel reinforcement cage is coated outside the channel steel plate frame, and steel reinforcements of the steel reinforcement cage are disconnected at the position of the steel tube concrete column.
The reinforcement cage is composed of longitudinal stressed reinforcements and circumferential stirrups.
The inner steel pipe is internally provided with vertical cross-shaped steel sections which are as high as the inner steel pipe, and the bottom ends of the cross-shaped steel sections are fixed on the surface of a top plate of the I-shaped steel sections.
The inner layer steel pipe is higher than the outer layer steel pipe.
The part of the outer wall of the inner steel pipe, which corresponds to the outer steel pipe, is provided with a radial inner steel pipe shear connector.
Be provided with vertical inside between inlayer steel pipe and the outer steel pipe and indulge the muscle, with outer steel pipe height, inside is indulged the muscle bottom mounting and is in the roof surface of I-shaped steel.
The utility model has the advantages of it is following:
the steel pipe of the utility model is provided with the cross-shaped steel section and the internal longitudinal bar, thereby strengthening the integrity between the concrete and the steel pipe; the shearing resistance bearing capacity of the inner steel pipe shearing-resistant connecting piece outside the inner steel pipe is improved; the channel steel shear connector on the upper channel steel plate can resist the longitudinal shearing force of concrete and a steel beam, and the structural integrity is improved.
The utility model discloses pass through connecting plate, oblique web member, perpendicular web member with upper portion channel steel sheet and lower part channel steel sheet and link together, have good anti-seismic performance, make rigidity strengthen with anti yield ability reinforcing, have good ductility and deformability, improved bearing capacity and structure wholeness ability, and the phenomenon of sliding alleviates and anti-seismic performance reinforcing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of the hollow steel web of the present invention;
fig. 4 is a side view of the present invention;
in the figure, 1, an inner steel pipe, 2, a cross-shaped section steel, 3, an outer steel pipe, 4, an inner steel pipe shear connector, 5, an upper channel steel plate, 6, an inner longitudinal rib, 7, an I-shaped section steel, 8, a stress steel bar, 9, a hoop, 10, a connecting plate, 11, a lower channel steel plate, 12, a channel steel shear connector, 13, a reserved hole, 14, a diagonal web member and 15, a vertical web member.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The utility model relates to a subway combined building body station bridge bearing platform conversion beam node, wherein the conversion beam is a connecting area of a hollow section steel concrete beam and a top steel pipe concrete column thereof; the steel tube concrete column comprises an inner steel tube 1 and an outer steel tube 3 which are coaxially arranged inside and outside; the hollow type steel reinforced concrete beam comprises an I-shaped steel 7 and a channel steel plate frame coated outside the I-shaped steel 7; the bottoms of an inner layer steel tube 1 and an outer layer steel tube 3 of the steel tube concrete column are fixed at the top of the I-shaped section steel 7, and a groove steel frame is provided with holes at the position of the steel tube concrete column.
The channel steel plate frame comprises an upper channel steel plate 5 with a downward notch and a lower channel steel plate 11 with an upward notch, the two transverse ends of the upper channel steel plate 5 and the lower channel steel plate 11 are connected through an inclined web member 14 and a vertical web member 15, and a connecting plate 10 is arranged at the joint. Vertical channel steel shear connectors 12 are arranged at the top of the upper channel steel plate 5 and the bottom of the lower channel steel plate 11. Vertical preformed holes 13 are formed in the upper groove-shaped steel plate 5 and the lower groove-shaped steel plate 11.
And a steel reinforcement cage is coated outside the channel steel plate frame, and steel reinforcements of the steel reinforcement cage are disconnected at the position of the steel tube concrete column. The reinforcement cage is composed of longitudinal stressed reinforcements 8 and circumferential stirrups 9.
The inner layer steel pipe 1 is internally provided with vertical cross-shaped steel sections 2 which are as high as the inner layer steel pipe 1, and the bottom ends of the cross-shaped steel sections 2 are fixed on the surface of a top plate of the I-shaped steel section 7. The inner layer steel pipe 1 is higher than the outer layer steel pipe 3. The part of the outer wall of the inner steel pipe 1 corresponding to the outer steel pipe 3 is provided with a radial inner steel pipe shear connector 4. Be provided with vertical inside between inlayer steel pipe 1 and the outer steel pipe 3 and indulge muscle 6, with outer steel pipe 3 with high, inside is indulged muscle 6 bottom mounting in the roof surface of I-shaped steel 7.
As shown in fig. 1 and 2, a cross-shaped steel section 2 is arranged in an inner steel pipe 1, and an outer steel pipe 3 is sleeved outside the inner steel pipe; at many inside longitudinal reinforcements 6 of inlayer steel pipe 1 and outer steel pipe 3 middle zone rigid coupling, and at many inlayer steel pipe shear connector 4 of 1 outside annular rigid coupling of inlayer steel pipe, inlayer steel pipe shear connector 4 has reduced the bonding of concrete and inlayer steel pipe 1 and has slided, the wholeness of inlayer steel pipe 1 and outer steel pipe 3 has been strengthened, make outer steel pipe 3 can play effectual reinforcing effect to 1 foot of inlayer steel pipe, can strengthen the anti ability of cutting of anti of steel concrete conversion roof beam by a wide margin during earthquake action, and then improve the holistic anti-seismic performance of node.
As shown in fig. 3 and 4, the lower steel reinforced concrete beam is provided with an upper channel steel plate 5 and a lower channel steel plate 11, respectively, and the vertical web member 15 and the diagonal web member 14 are connected to the connecting plate 10, so that the upper channel steel plate 5 is securely connected to one end of the diagonal web member 14 and one end of the vertical web member 15 via the connecting plate 10, and the lower channel steel plate 11 is securely connected to the other end of the diagonal web member 14 and the other end of the vertical web member 15 via the connecting plate 10. I-shaped steel sections 7 are arranged in the upper trough-shaped steel plate 5 and the lower trough-shaped steel plate 11, and the upper flanges of the I-shaped steel sections 7 are welded with the inner-layer steel pipe 1 and the outer-layer steel pipe 3. The upper channel-shaped steel plate 5 and the lower channel-shaped steel plate 11 are fixedly connected with a plurality of rows of channel steel shear connectors 12 respectively, and the channel steel shear connectors 12 can resist the longitudinal shear force of concrete and steel beams and increase the integrity of the concrete and the steel beams. The upper groove-shaped steel plate 5 is provided with a preformed hole 13, so that concrete can be poured conveniently.
As shown in fig. 1 and 2, a reinforcement cage formed by stressed steel bars 8 and stirrups 9 is wrapped outside the upper channel-shaped steel plate 5 and the lower channel-shaped steel plate 11. The stressed steel bars 8 and the stirrups 9 are disconnected at the outer layer steel pipe 3 and welded on the outer side of the steel pipe.
The utility model discloses a construction method specifically goes on according to following step:
and 6, erecting a formwork outside the stirrups 9, pouring concrete to form a hollow section steel concrete beam, and then pouring concrete simultaneously in the inner steel tube 1 and the outer steel tube 3 to form a steel tube concrete column, so as to complete the conversion beam of the bridge bearing platform of the subway combined building body station.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250264.8U CN215166496U (en) | 2021-01-29 | 2021-01-29 | A kind of subway composite station bridge cap conversion beam joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120250264.8U CN215166496U (en) | 2021-01-29 | 2021-01-29 | A kind of subway composite station bridge cap conversion beam joint |
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| CN215166496U true CN215166496U (en) | 2021-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116607781A (en) * | 2023-05-17 | 2023-08-18 | 上海宝冶集团有限公司 | Split binding construction method for large bearing platform and steel conversion beam diagonal steel bars |
| CN119195342A (en) * | 2024-11-28 | 2024-12-27 | 兴化市富邦机械有限公司 | A column-raising structure on a beam and a method thereof |
-
2021
- 2021-01-29 CN CN202120250264.8U patent/CN215166496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116607781A (en) * | 2023-05-17 | 2023-08-18 | 上海宝冶集团有限公司 | Split binding construction method for large bearing platform and steel conversion beam diagonal steel bars |
| CN119195342A (en) * | 2024-11-28 | 2024-12-27 | 兴化市富邦机械有限公司 | A column-raising structure on a beam and a method thereof |
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