CN108755973B - H-shaped steel embedded system at cantilever beam construction joint part - Google Patents
H-shaped steel embedded system at cantilever beam construction joint part Download PDFInfo
- Publication number
- CN108755973B CN108755973B CN201810798157.1A CN201810798157A CN108755973B CN 108755973 B CN108755973 B CN 108755973B CN 201810798157 A CN201810798157 A CN 201810798157A CN 108755973 B CN108755973 B CN 108755973B
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- CN
- China
- Prior art keywords
- shaped steel
- construction joint
- casting section
- cantilever beam
- joint part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 238000010276 construction Methods 0.000 title claims abstract description 52
- 238000005266 casting Methods 0.000 claims abstract description 40
- 238000003466 welding Methods 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 5
- 238000005034 decoration Methods 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- 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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses an H-shaped steel pre-burying system for a construction joint part of an overhanging beam, which comprises a first casting section and a second casting section, wherein a construction joint is formed between the first casting section and the second casting section, H-shaped steel is pre-buried at the construction joint part, two ends of the H-shaped steel are respectively arranged in the first casting section and the second casting section, an upper tooling fixing bracket is arranged on the upper side of the H-shaped steel, and a lower tooling fixing bracket is arranged on the lower side of the H-shaped steel. According to the invention, H-shaped steel of different types is pre-embedded with the cantilever beam part, and additional ribs are added, so that the problem of continuous structure of the construction joint part is solved by the shearing resistance of the H-shaped steel and the performance of the reinforcing steel together; the system accelerates the construction speed of the structure, meets the requirements of subsequent decoration to the greatest extent, saves the construction period, improves the construction efficiency, and has certain application value for the construction method of the cantilever beam.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an H-shaped steel pre-burying system for a cantilever beam construction joint part.
Background
With the development of the building level, the trend of driving the development of peripheral economy by the commercial development is more and more obvious. In the development of commercial building plates, the situation that the special-shaped effect is adopted to improve the commercial value is more and more common, the special-shaped effect is required to be achieved by adopting the overhanging structure in the structural design, and the overhanging structure becomes a construction heavy difficulty. Aiming at the situation, the method is obtained through continuous on-site investigation, analysis and comparison, and the method adopts the measure of embedding the H-shaped steel at the construction joint part of the cantilever beam, so that the problem that the cantilever beam cannot be kept at the construction joint is solved, the requirement of subsequent decoration can be met to the maximum extent, the construction period is saved, the construction efficiency is improved, and the method has a certain application value for the construction method of the cantilever beam.
Disclosure of Invention
The invention aims to solve the technical problem of providing the H-shaped steel pre-burying system for the construction joint part of the cantilever beam, which not only solves the problem that the cantilever beam cannot be kept at the construction joint, but also can meet the requirement of subsequent decoration to the maximum extent, saves the construction period, improves the construction efficiency, and has a certain application value for the construction method of the cantilever beam.
The technical problems to be solved by the invention are realized by the following technical scheme:
the utility model provides a cantilever beam construction joint position H shaped steel pre-buried system, cantilever beam includes first casting section and second casting section, first casting section with form the construction joint between the second casting section the pre-buried H shaped steel of construction joint department, the both ends of H shaped steel are arranged in respectively first casting section with in the second casting section, H shaped steel upside is provided with upper portion toolization fixed bolster, downside is provided with lower part toolization fixed bolster.
Preferably, in the above technical solution, the upper tooling fixing support includes an additional bar welded and connected, a vertical welded bar, and a horizontal welded bar, and the additional bar is connected with the H-section steel.
Preferably, in the above technical solution, the lower tooling fixing support includes an additional bar welded to the lower tooling fixing support, a vertical welded bar, and a horizontal welded bar, and the additional bar is connected to the H-section steel.
Preferably, in the above technical solution, the upper tooling fixing bracket and the lower tooling fixing bracket have the same structure, and are symmetrically arranged on the upper side and the lower side of the H-shaped steel.
Preferably, in the above technical solution, the first casting section is integrally provided with the main beam.
Preferably, in the above technical solution, the first casting section is perpendicular to the main beam and integrally provided.
Preferably, in the above technical solution, the length of the H-shaped steel extending into the first casting section is 1/4 of the total length of the first casting section.
Preferably, in the above technical solution, the pre-buried position of the H-shaped steel is the lower part of two rows of ribs.
Preferably, in the above technical solution, the horizontal steel bars and the horizontal steel bars are welded with the upper and lower steel bars of the cantilever beam.
Preferably, in the above technical solution, the H-section steel 5 can transversely pass through the construction joint 4.
The technical scheme of the invention has the following beneficial effects:
the invention provides an H-shaped steel pre-burying system for a construction joint part of an overhanging beam, which solves the problem of continuous structure of the construction joint part by pre-burying H-shaped steel of different types with the overhanging beam part and adding additional ribs together with the shearing resistance of the H-shaped steel and the performance of the reinforcing steel. Compared with the traditional overhanging part which cannot be reserved with a construction joint, the system accelerates the construction speed of the structure, meets the requirements of subsequent decoration and fitment to the maximum extent, saves the construction period, improves the construction efficiency, and has a certain application value for the construction method of the overhanging beam.
Drawings
Fig. 1 is a schematic cross-sectional view of an H-section steel embedding system at a cantilever beam construction joint part of the invention.
Fig. 2 is a schematic view of the connection of the additional bar of the present invention to the H-section steel.
Fig. 3 is a schematic view of an upper fixing bracket of the H-steel of the present invention.
Fig. 4 is a schematic view of the lower fixing bracket of the H-section steel of the present invention.
Detailed Description
Specific embodiments of the invention are described in detail below to facilitate a further understanding of the invention.
Fig. 1 is a schematic cross-sectional view of an H-section steel embedding system at a cantilever beam construction joint part of the invention. Fig. 2 is a schematic view of the connection of the additional bar of the present invention to the H-section steel. As shown in the figure:
the cantilever beam 1 consists of two parts, namely a first casting section 2 and a second casting section 3 (namely the length of the first casting and the length of the second casting). A construction joint 4 is formed between the first casting section 2 and the second casting section 3, and H-shaped steel 5 is pre-buried at the construction joint 4, that is to say, the H-shaped steel 5 can transversely penetrate through the construction joint 4. And, the both ends of H shaped steel 5 are arranged in first casting section 2 and second casting section 3 respectively, and H shaped steel 5 upside is provided with upper portion instrument fixed bolster, and the downside is provided with lower part instrument fixed bolster.
Because the stress of the construction joint part is weakest, the H-shaped steel 5 is pre-buried at the construction joint 4, the additional ribs 6,H are placed on the upper part of the H-shaped steel 5, the length 7 of the H-shaped steel 5 extending into the first casting section 2 is 1/4 of the length of the first casting section 2, and the problem of structural continuity of the construction joint part is jointly solved through the shearing resistance of the H-shaped steel and the performance of the reinforcing steel.
Fig. 3 is a schematic view of an upper fixing bracket of the H-steel of the present invention. Fig. 4 is a schematic view of the lower fixing bracket of the H-section steel of the present invention. Please refer to fig. 3 and fig. 4 together. In detail:
the upper tooling fixing support comprises: the additional bars 6 are welded and connected, the vertical welding bars 8 and the horizontal welding bars 9 are welded, and the additional bars 6 are connected with the H-shaped steel 5. The lower tooling fixing support comprises an additional rib 6, a vertical welding reinforcing steel bar 10 and a horizontal welding reinforcing steel bar 11 which are welded and connected, and the additional rib 6 is connected with the H-shaped steel 5. Preferably, the upper tooling fixing bracket and the lower tooling fixing bracket have the same structure and are symmetrically arranged on the upper side and the lower side of the H-shaped steel 5.
The first casting section 2 is integrally provided with the main girder 12, i.e. integrally cast. Preferably, the first casting section 2 is disposed perpendicular to the main beam 12. The embedded length 7 of the H-shaped steel 5 extending into the first casting section 2 is 1/4 of the total length of the first casting section 2. And from the embedded height, the embedded position of the H-shaped steel 5 is the lower part of two rows of ribs. Of course, the present invention is not limited thereto, and those skilled in the art can reasonably adjust the above data according to the needs.
The horizontal steel bars 9 and 11 are welded with the upper and lower steel bars of the cantilever beam 1.
Although the present invention has been described with reference to the above embodiments, it should be understood that the present invention is not limited thereto, and that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (8)
1. The H-shaped steel pre-burying system for the construction joint part of the cantilever beam is characterized in that the cantilever beam (1) comprises a first casting section (2) and a second casting section (3), a construction joint (4) is formed between the first casting section (2) and the second casting section (3), H-shaped steel (5) is pre-buried at the construction joint (4), two ends of the H-shaped steel (5) are respectively arranged in the first casting section (2) and the second casting section (3), and an upper tooling fixing bracket is arranged on the upper side of the H-shaped steel (5) and a lower tooling fixing bracket is arranged on the lower side of the H-shaped steel (5);
the upper tooling fixing support comprises an additional rib (6), a first vertical welding steel bar (8) and a first horizontal welding steel bar (9) which are connected in a welding mode, and the additional rib (6) is connected with the H-shaped steel (5);
the lower tooling fixing support comprises an additional rib (6), a second vertical welding steel bar (10) and a second horizontal welding steel bar (11) which are connected in a welding mode, and the additional rib (6) is connected with the H-shaped steel (5).
2. The cantilever beam construction joint part H-shaped steel pre-burying system according to claim 1, wherein the upper tooling fixing support and the lower tooling fixing support are identical in structure and symmetrically arranged on the upper side and the lower side of the H-shaped steel (5).
3. The cantilever beam construction joint part H-shaped steel pre-burying system according to claim 1, wherein said first casting section (2) is integrally arranged with a main beam (12).
4. The cantilever beam construction joint part H-shaped steel pre-burying system according to claim 1, wherein said first casting section (2) is perpendicular to and integrally provided with a main beam (12).
5. The cantilever beam construction joint part H-shaped steel pre-burying system according to claim 1, wherein the pre-burying length (7) of the H-shaped steel (5) extending into the first casting section (2) is 1/4 of the total length of the first casting section (2).
6. The H-beam embedded system of the cantilever beam construction joint part according to claim 1, wherein the embedded position of the H-beam (5) is the lower part of two rows of ribs.
7. The cantilever beam construction joint part H-shaped steel pre-burying system according to claim 1, wherein the first horizontal welding steel bars (9) and the second horizontal welding steel bars (11) are welded with the upper part and the lower part of the cantilever beam (1).
8. The cantilever beam construction joint part H-shaped steel pre-burying system according to claim 1, wherein said H-shaped steel (5) can transversely pass through said construction joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798157.1A CN108755973B (en) | 2018-07-19 | 2018-07-19 | H-shaped steel embedded system at cantilever beam construction joint part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798157.1A CN108755973B (en) | 2018-07-19 | 2018-07-19 | H-shaped steel embedded system at cantilever beam construction joint part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108755973A CN108755973A (en) | 2018-11-06 |
| CN108755973B true CN108755973B (en) | 2024-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810798157.1A Active CN108755973B (en) | 2018-07-19 | 2018-07-19 | H-shaped steel embedded system at cantilever beam construction joint part |
Country Status (1)
| Country | Link |
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| CN (1) | CN108755973B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482301A (en) * | 2022-02-13 | 2022-05-13 | 贵州建工集团有限公司 | Shear-resistant construction joint structure of cantilever beam and construction method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0345620A2 (en) * | 1988-06-07 | 1989-12-13 | Hans-Peter Dr.-Ing. Andrä | Concrete beam with t-beam form |
| JPH09316995A (en) * | 1995-12-06 | 1997-12-09 | Tokyu Koken Kk | Connection method of precast concrete cantilever floor and precast concrete handrail board |
| CN201261916Y (en) * | 2008-09-09 | 2009-06-24 | 贵阳铝镁设计研究院 | Late poured band structure adopting profiled bar short beam to improve shear force |
| JP2010180622A (en) * | 2009-02-05 | 2010-08-19 | Ohbayashi Corp | Column-beam joint structure, and column-beam joint method |
| CN101818577A (en) * | 2009-07-29 | 2010-09-01 | 兰州理工大学 | Reinforcing method of plate type overhanging component |
| JP2013036174A (en) * | 2011-08-04 | 2013-02-21 | Taisei Corp | Reinforcement structure for column-beam connection part |
| CN204781354U (en) * | 2015-07-10 | 2015-11-18 | 上海思纳建筑规划设计有限公司 | Shaped steel shear key connection structure of building movement joint |
| CN206667590U (en) * | 2017-04-28 | 2017-11-24 | 青岛建安建设集团有限公司 | Shear wall is encorbelmented girder construction |
| CN207392451U (en) * | 2017-09-26 | 2018-05-22 | 江西省中宁建筑工程有限公司 | A kind of building armored concrete overhangs girder construction |
| CN208733829U (en) * | 2018-07-19 | 2019-04-12 | 中建三局集团有限公司 | A kind of Cantilever Beams construction joint position H profile steel embedded system |
-
2018
- 2018-07-19 CN CN201810798157.1A patent/CN108755973B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0345620A2 (en) * | 1988-06-07 | 1989-12-13 | Hans-Peter Dr.-Ing. Andrä | Concrete beam with t-beam form |
| JPH09316995A (en) * | 1995-12-06 | 1997-12-09 | Tokyu Koken Kk | Connection method of precast concrete cantilever floor and precast concrete handrail board |
| CN201261916Y (en) * | 2008-09-09 | 2009-06-24 | 贵阳铝镁设计研究院 | Late poured band structure adopting profiled bar short beam to improve shear force |
| JP2010180622A (en) * | 2009-02-05 | 2010-08-19 | Ohbayashi Corp | Column-beam joint structure, and column-beam joint method |
| CN101818577A (en) * | 2009-07-29 | 2010-09-01 | 兰州理工大学 | Reinforcing method of plate type overhanging component |
| JP2013036174A (en) * | 2011-08-04 | 2013-02-21 | Taisei Corp | Reinforcement structure for column-beam connection part |
| CN204781354U (en) * | 2015-07-10 | 2015-11-18 | 上海思纳建筑规划设计有限公司 | Shaped steel shear key connection structure of building movement joint |
| CN206667590U (en) * | 2017-04-28 | 2017-11-24 | 青岛建安建设集团有限公司 | Shear wall is encorbelmented girder construction |
| CN207392451U (en) * | 2017-09-26 | 2018-05-22 | 江西省中宁建筑工程有限公司 | A kind of building armored concrete overhangs girder construction |
| CN208733829U (en) * | 2018-07-19 | 2019-04-12 | 中建三局集团有限公司 | A kind of Cantilever Beams construction joint position H profile steel embedded system |
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| Publication number | Publication date |
|---|---|
| CN108755973A (en) | 2018-11-06 |
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