CN106894523B - Connecting joint of rectangular steel pipe concrete column and steel reinforced concrete beam - Google Patents
Connecting joint of rectangular steel pipe concrete column and steel reinforced concrete beam Download PDFInfo
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- CN106894523B CN106894523B CN201710305261.8A CN201710305261A CN106894523B CN 106894523 B CN106894523 B CN 106894523B CN 201710305261 A CN201710305261 A CN 201710305261A CN 106894523 B CN106894523 B CN 106894523B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
Abstract
A connecting node of a rectangular steel pipe concrete column and a steel reinforced concrete beam comprises the rectangular steel pipe concrete column, the steel reinforced concrete beam, a steel connecting section, a pair-penetrating bolt, a bolt and a straight thread connecting sleeve; the steel connecting section is arranged between the rectangular steel pipe concrete column and the steel section concrete beam and comprises steel sections, column section end plates at two ends of the steel sections and beam section end plates; two ends of the opposite-penetrating bolt penetrate out of two sides of the rectangular concrete-filled steel tube column and penetrate through column section end plates of the steel connecting sections to connect the rectangular concrete-filled steel tube column with the steel connecting sections on two sides; the section steel concrete beam comprises a section steel beam, longitudinal stress steel bars and end plates welded at the end parts of the section steel beam, and the end plates are connected with beam section end plates of the steel connecting section by bolts; the end part of the longitudinal stress reinforcing steel bar is provided with external threads, and the longitudinal stress reinforcing steel bar sequentially penetrates through the end plate and the beam section end plate, is fixed by the straight thread connecting sleeve, and connects the steel connecting section with the steel reinforced concrete beam. The node has the advantages of simple structure, good integrity, definite force transmission, safety, reliability and convenient construction.
Description
Technical Field
The invention belongs to the field of civil engineering, and relates to a connecting node of a rectangular steel pipe concrete column and a profile steel concrete beam.
Background
The rectangular steel tube concrete column is a vertical bearing member which is formed by pouring concrete in a rectangular steel tube and is loaded by the steel tube and the concrete in the steel tube together, and has the advantages of high bearing capacity, good anti-seismic performance, simple node form, strong durability, convenient construction and the like; the steel reinforced concrete beam is a bending member added with steel sections in the original reinforced concrete beam, column and other members, and has the advantages of high bearing capacity, good earthquake resistance and the like. Along with the development of social economy in China, the performance requirements of modern buildings are gradually improved, and more rectangular steel pipe concrete columns and steel pipe concrete beams are adopted in engineering.
At present, the node design recommended by the technical regulation of rectangular concrete-filled steel tube structures (CECS 59: 2004) in China only comprises the connection between a rectangular concrete-filled steel tube column and a steel beam and the connection between the rectangular concrete-filled steel tube column and a cast-in-place reinforced concrete beam, and does not comprise the node connection between the rectangular concrete-filled steel tube column and the steel reinforced concrete beam.
Disclosure of Invention
The invention aims to provide a connecting node of a rectangular concrete-filled steel tube column and a steel reinforced concrete beam, which has the advantages of simple structure, good integrity, definite force transmission, safety, reliability and convenience in construction.
In order to achieve the purpose, the invention adopts the following technical scheme: a connecting node of a rectangular steel pipe concrete column and a steel reinforced concrete beam comprises the rectangular steel pipe concrete column, the steel reinforced concrete beam, a steel connecting section, a pair-penetrating bolt, a bolt and a straight thread connecting sleeve; the steel connecting section is arranged between the rectangular steel pipe concrete column and the section steel concrete beam and comprises section steel and column section end plates and beam section end plates arranged at two ends of the section steel; two ends of the opposite-penetrating bolts penetrate out of two sides of the rectangular concrete-filled steel tube column and penetrate through column section end plates of the steel connecting sections to connect the rectangular concrete-filled steel tube column with the steel connecting sections on two sides;
the profiled steel concrete beam comprises a profiled steel beam, longitudinal stressed steel bars and end plates welded at the end part of the profiled steel beam, the end plates are connected with the beam section end plates of the steel connecting section through bolts, the end parts of the longitudinal stressed steel bars are provided with external threads, and the end parts of the longitudinal stressed steel bars sequentially penetrate through the end plates and the beam section end plates and are fixed through straight threaded connecting sleeves to connect the steel connecting section with the profiled steel concrete beam.
Preferably, the size of the section of the end plate on the steel reinforced concrete beam is equal to that of the section of the steel reinforced concrete beam.
Preferably, the column section end plates and the beam section end plates in the steel connecting section have equal cross-sectional sizes, and the cross-sectional sizes are equal to the cross-sectional sizes of the steel reinforced concrete beam.
Preferably, the section shape of the section steel of the steel connecting section is the same as that of the section steel beam, and the section steel is H-shaped steel or I-shaped steel.
Preferably, the longitudinal stressed steel bars adopt steel bars with strength grades of HPB300, HRB335, HRB400 or HRB 500.
The bolt is a high-strength bolt.
The external threads at the end parts of the longitudinal stress steel bars are in the same direction.
The invention has the following beneficial effects:
1. the steel connecting section is used as a splicing member, the through bolt is used as a fastener, the integrity of the rectangular concrete-filled steel tube column is guaranteed, and good mechanical properties can be obtained.
2. The end part of the steel reinforced concrete beam is provided with both the section steel and the reinforcing steel, and the reinforcing steel is dense, which brings great difficulty to construction. Can pass remaining preformed hole on the end plate with the vertical atress reinforcing bar in the shaped steel concrete roof beam, fix it through straight threaded connection sleeve to satisfy the reinforcing bar anchor requirement, can reduce the construction degree of difficulty.
3. In the construction process, the manufacturing of the steel connecting section and the welding of the section steel end plate of the section steel concrete beam are all carried out in a factory, the rectangular steel pipe concrete is connected with the steel link piece through the opposite penetrating bolt, the steel connecting section is connected with the section steel concrete beam through the high-strength bolt, the field welding is not needed, and the construction efficiency is greatly improved.
Drawings
FIG. 1 is an overall assembly drawing of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of the present invention;
FIG. 4 is a cross-sectional view B-B of the present invention;
the labels in the figure are: 1. rectangle steel core concrete column, 101, rectangle steel pipe, 2, shaped steel concrete beam, 201, shaped steel girder, 202, vertical atress reinforcing bar, 203, end plate, 3, steel linkage segment, 301, column segment end plate, 302, beam segment end plate, 303, shaped steel, 4, to wearing the bolt, 5, bolt, 6, straight thread connection sleeve.
Detailed Description
The technical solution of the present invention is further explained by the specific embodiments with reference to the attached drawings.
As shown in the figure, a connected node of rectangle steel core concrete column and shaped steel concrete beam, include rectangle steel core concrete column 1, shaped steel concrete beam 2, steel linkage segment 3, to wearing bolt 4, bolt 5 and straight threaded connection sleeve 6, bolt 5 is the preferred high strength bolt.
The rectangular steel tube concrete column 1 comprises a rectangular steel tube 101 and concrete poured in the rectangular steel tube 101, and holes are formed in the rectangular steel tube 101; the steel reinforced concrete beam 2 comprises a steel reinforced beam 201, longitudinal stress reinforcing steel bars 202 and end plates 203 welded at the ends of the steel reinforced beam 201, the end plates 203 are provided with holes, and beam concrete is poured outside the steel reinforced beam 201.
The steel connecting section 3 comprises a column section end plate 301, a beam section end plate 302 and section steel 303, wherein the column section end plate 301 and the beam section end plate 302 are respectively welded at two ends of the section steel 303, and holes are respectively formed in the column section end plate 301 and the beam section end plate 302.
The penetrating bolt 4 penetrates through the rectangular steel pipe concrete column 1, and after the holes formed in the rectangular steel pipe 101 are penetrated through the two ends of the penetrating bolt 4, the holes in the column section end plates 301 of the steel connecting sections 3 on the two sides of the rectangular steel pipe concrete column 1 respectively penetrate through the holes in the column section end plates 301, so that the rectangular steel pipe concrete column 1 is connected with the steel connecting sections 3 on the two sides.
Further, the column section end plate 301 and the beam section end plate 302 in the steel connecting section 3 have the same cross-sectional size, and the cross-sectional size is equal to that of the steel reinforced concrete beam 2.
Further, the section shape of the section steel 301 of the steel connecting section 3 is the same as that of the section steel girder 201, and is H-shaped steel or i-shaped steel.
The construction method of the embodiment is as follows:
firstly, welding an end plate 203 at the end part of the steel section beam 201 in a factory in advance, reserving bolt holes on the end plate 203, and reserving opposite-penetrating bolt holes on the opposite pipe walls of the rectangular steel pipe 101; the steel connecting section 3 is manufactured in a factory, and bolt holes are reserved in a column section end plate 301 and a beam section end plate 302 at two ends of the steel connecting section 3.
When assembling on site, the steel connecting section 3 is connected with the rectangular steel pipe 101 through the through bolts 4, and after the steel section girder 201 is hoisted in place, the steel connecting section 3 is connected with the steel section girder 201 through the high-strength bolts.
And thirdly, blanking and positioning the longitudinal stressed steel bars 202 in the steel reinforced concrete beam 2, penetrating the longitudinal stressed steel bars through the residual reserved holes in the end plate 203 and the beam section end plate 302, fixing the longitudinal stressed steel bars by using the straight thread connecting sleeve 6, and then binding the stirrups.
And (IV) the concrete of the steel reinforced concrete beam 2 and the concrete in the rectangular steel pipe 101 are respectively poured, so that the steel reinforced concrete beam 2 and the rectangular steel pipe concrete column 1 are reliably connected through the node.
Claims (5)
1. The utility model provides a connected node of rectangle steel core concrete column and shaped steel concrete beam which characterized in that: the steel reinforced concrete beam comprises a rectangular steel pipe concrete column (1), a steel reinforced concrete beam (2), a steel connecting section (3), a pair-penetrating bolt (4), a bolt (5) and a straight thread connecting sleeve (6); the steel connecting section (3) is arranged between the rectangular steel pipe concrete column (1) and the section steel concrete beam (2) and comprises section steel (303), a column section end plate (301) and a beam section end plate (302) which are arranged at two ends of the section steel (303); two ends of the through bolt (4) penetrate out of two sides of the rectangular concrete-filled steel tube column (1) and penetrate through column section end plates (301) of the steel connecting sections (3), and the rectangular concrete-filled steel tube column (1) is connected with the steel connecting sections (3) on two sides;
the steel reinforced concrete beam (2) comprises a steel reinforced beam (201), longitudinal stress steel bars (202) and end plates (203) welded at the end parts of the steel reinforced beam (201), the end plates (203) are connected with beam section end plates (302) of the steel connecting sections (3) through bolts (5), external threads are arranged at the end parts of the longitudinal stress steel bars (202), the end parts of the longitudinal stress steel bars (202) sequentially penetrate through the end plates (203) and the beam section end plates (302) and are fixed through straight thread connecting sleeves (6), and the steel connecting sections (3) are connected with the steel reinforced concrete beam (2); the section size of the end plate (203) is equal to that of the section of the steel reinforced concrete beam (2); the section size of the column section end plate (301) and the beam section end plate (302) in the steel connecting section (3) is equal, and the section size is equal to the section size of the steel reinforced concrete beam (2).
2. The connection node of a rectangular steel pipe concrete column and a steel pipe concrete beam according to claim 1, characterized in that: the section shape of the section steel of the steel connecting section is the same as that of the section steel girder, and the section steel is H-shaped steel or I-shaped steel.
3. The connection node of a rectangular steel pipe concrete column and a steel pipe concrete beam according to claim 1, characterized in that: the longitudinal stressed steel bars adopt steel bars with strength grades of HPB300, HRB335, HRB400 or HRB 500.
4. The connection node of a rectangular steel pipe concrete column and a steel pipe concrete beam according to claim 1, characterized in that: the bolt (5) is a high-strength bolt.
5. The connection node of a rectangular steel pipe concrete column and a steel pipe concrete beam according to claim 1, characterized in that: the external threads at the end parts of the longitudinal stress steel bars (202) are in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305261.8A CN106894523B (en) | 2017-05-03 | 2017-05-03 | Connecting joint of rectangular steel pipe concrete column and steel reinforced concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305261.8A CN106894523B (en) | 2017-05-03 | 2017-05-03 | Connecting joint of rectangular steel pipe concrete column and steel reinforced concrete beam |
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| Publication Number | Publication Date |
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| CN106894523A CN106894523A (en) | 2017-06-27 |
| CN106894523B true CN106894523B (en) | 2023-02-24 |
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| CN201710305261.8A Active CN106894523B (en) | 2017-05-03 | 2017-05-03 | Connecting joint of rectangular steel pipe concrete column and steel reinforced concrete beam |
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| CN107143034A (en) * | 2017-07-11 | 2017-09-08 | 上海应用技术大学 | A kind of assembly concrete frame structure beam column rigid connection node |
| CN107605044B (en) * | 2017-09-25 | 2023-08-01 | 上海建工五建集团有限公司 | Assembled outsourcing shaped steel chain integrated configuration |
| CN109779014A (en) * | 2017-11-14 | 2019-05-21 | 朗世坤成房屋科技有限公司 | Assembling type steel structure house |
| CN108104265B (en) * | 2017-12-26 | 2023-10-24 | 赵宏 | Building frame adopting assembled welding-free prestressed beams |
| CN108487453B (en) * | 2018-03-14 | 2023-12-05 | 安徽工程大学 | Connecting structure and connecting method for steel tube concrete column and reinforced concrete beam |
| CN108560820A (en) * | 2018-05-30 | 2018-09-21 | 中国建筑第八工程局有限公司 | Board plug type box beam is adjustable connecting node and its construction method |
| CN108589914B (en) * | 2018-06-26 | 2020-07-28 | 西安建筑科技大学 | Self-resetting frame structure and construction method |
| CN109339233A (en) * | 2018-11-21 | 2019-02-15 | 安徽建筑大学 | A kind of connection structure of concrete frame assembled T-type beam column |
| CN111648470A (en) * | 2020-06-12 | 2020-09-11 | 泰州职业技术学院 | Connecting device and connecting method for prefabricated concrete frame beam anchoring plate |
| CN112030986A (en) * | 2020-07-31 | 2020-12-04 | 中铁第四勘察设计院集团有限公司 | Combined steel pipe concrete waist beam structure, prefabricated member, connecting joint and construction method |
| CN112031164A (en) * | 2020-08-17 | 2020-12-04 | 上海建工（江苏）钢结构有限公司 | Method for ensuring perforation rate of high-strength bolt of steel structure |
| CN112554336A (en) * | 2020-12-03 | 2021-03-26 | 太原理工大学 | Take BRB installation to bury assembled frame beam column rigid node of piece |
| CN113931304B (en) * | 2021-08-11 | 2023-03-31 | 江西恒信检测集团有限公司 | Detachable clamping groove assembly type beam column joint connecting structure |
| CN113882704B (en) * | 2021-09-22 | 2023-01-24 | 广州市市政工程设计研究总院有限公司 | Method for additionally arranging supporting point column under beam |
| CN114753489B (en) * | 2022-06-14 | 2023-03-24 | 中冶建筑研究总院有限公司 | Prefabricated beam column node and novel assembled reinforced concrete building thereof |
| CN115110643A (en) * | 2022-07-27 | 2022-09-27 | 金耀 | Connecting structure of steel column and reinforced concrete beam and construction method |
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| JP2005248623A (en) * | 2004-03-05 | 2005-09-15 | Nippon Steel Corp | High tension bolt joint structure of column and beam having h-shaped cross section |
| CN202658726U (en) * | 2012-06-12 | 2013-01-09 | 中建钢构江苏有限公司 | Steel bracket type joint connecting structure for concrete filled steel tube column and steel reinforced concrete beam |
| CN203878778U (en) * | 2014-06-05 | 2014-10-15 | 山东科技大学 | Concrete-filled rectangular steel tube column and steel beam steel bar type node with extended end plates |
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2017
- 2017-05-03 CN CN201710305261.8A patent/CN106894523B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248623A (en) * | 2004-03-05 | 2005-09-15 | Nippon Steel Corp | High tension bolt joint structure of column and beam having h-shaped cross section |
| CN202658726U (en) * | 2012-06-12 | 2013-01-09 | 中建钢构江苏有限公司 | Steel bracket type joint connecting structure for concrete filled steel tube column and steel reinforced concrete beam |
| CN203878778U (en) * | 2014-06-05 | 2014-10-15 | 山东科技大学 | Concrete-filled rectangular steel tube column and steel beam steel bar type node with extended end plates |
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| CN106894523A (en) | 2017-06-27 |
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