CN112227599A - Embedded steel-concrete composite beam wrapped with hoops - Google Patents
Embedded steel-concrete composite beam wrapped with hoops Download PDFInfo
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- CN112227599A CN112227599A CN202011059000.0A CN202011059000A CN112227599A CN 112227599 A CN112227599 A CN 112227599A CN 202011059000 A CN202011059000 A CN 202011059000A CN 112227599 A CN112227599 A CN 112227599A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses an embedded type externally-wrapped hoop-shaped steel-concrete composite beam which comprises an upper steel plate and a lower steel plate, wherein the upper steel plate and the lower steel plate are symmetrically arranged, the side, opposite to the upper steel plate and the lower steel plate, of the upper steel plate is provided with an arc-shaped convex surface along the width direction of the upper steel plate, shear-resistant rib units are uniformly welded between the upper steel plate and the lower steel plate along the length direction of the upper steel plate and comprise two shear-resistant rib monomers which are symmetrically arranged, and each shear-resistant rib monomer comprises a lower arc-shaped steel bar and an upper arc-shaped steel bar, the lower arc-shaped steel bar is attached to the lower arc. According to the invention, the cross-shaped reinforcing steel bar frame is arranged to prevent the upper arc-shaped reinforcing steel bar, the lower arc-shaped reinforcing steel bar and the two arc-shaped diagonal reinforcing steel bars from deforming due to the fact that the cross-shaped reinforcing steel bar frame abuts against the upper arc-shaped reinforcing steel bar, the lower arc-shaped reinforcing steel bar and the two arc-shaped diagonal reinforcing steel bars, the cohesiveness among concrete is improved on the other side, the strength of the beam body is further improved, the shear-resistant rib single bodies are relatively displaced due to the hoop-shaped tensile ribs, so that the shear-resistant rib single bodies are integrated, and.
Description
Technical Field
The invention relates to the technical field of composite beams, in particular to an embedded externally-wrapped hoop-shaped steel-concrete composite beam.
Background
Steel and concrete composite beams have many advantages and are receiving more and more attention. At present, steel and concrete combined beams commonly used at home and abroad are as follows: profiled steel sheet-concrete composite beam, steel reinforced concrete composite beam, steel pipe concrete composite beam, and outer-wrapped steel-concrete composite beam.
The construction of the steel-concrete composite beam takes a long time, a main steel structure is firstly constructed, then the steel structure is poured on the basis of the steel structure, and a large amount of time is consumed in the pouring process.
Disclosure of Invention
The invention aims to provide an embedded type externally-wrapped hoop-shaped steel-concrete composite beam to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an embedded outsourcing hoop form steel-concrete composite beam, includes steel sheet and lower steel sheet, go up the steel sheet and set up with lower steel sheet symmetry, and go up the steel sheet and be provided with the arcuation convex surface along its width direction with the relative one side of lower steel sheet, it has anti shear bar unit along its length direction uniform welding to go up between steel sheet and the lower steel sheet, anti shear bar unit includes the shear bar monomer that two symmetries set up, anti shear bar monomer is including hugging closely down the arc reinforcing bar of arc under the setting of arc inclined cross and hugging closely the last arc reinforcing bar that the arc inclined cross set up of arc, and the two is the cross and arranges, goes up the same side tip of arc reinforcing bar and arc reinforcing bar down and respectively by an arcuation diagonal draw reinforcing bar fixed connection, go up arc reinforcing bar and arc reinforcing bar down and two diagonal draw middle position departments between the arc reinforcing bar to one side and be provided with cross reinforcing bar, four tip of cross reinforcing bar frame respectively with last arc reinforcing bar and arc reinforcing And the position is welded, and a hoop-shaped tension resistant rib is sleeved between two arc-shaped diagonal reinforcing steel bars of the adjacent shear resistant rib single body.
Preferably, the ends of the adjacent arc-shaped diagonal reinforcing steel bars are in contact with each other.
Preferably, the hoop-shaped tension rib is tightly attached to the two adjacent arc-shaped diagonal reinforcing steel bars of the shear rib single body.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention has the advantages that the upper steel plate, the lower steel plate, the shear rib units and the concrete are adopted, the shear rib units are adopted to replace the middle web plate of the concrete steel beam, the combination of the upper steel plate, the lower steel plate and the shear rib units can bear the bending moment and the compression resistance of the beam together, the shear rib units and the concrete can improve the bearing shear force of the beam after combination, the advantages of the ductility of steel and the durability of the concrete are exerted, the consumption of the steel is greatly reduced, and the consumption of anticorrosive paint and fireproof paint at the flange of the steel beam is reduced and the consumption of the anticorrosive paint and the fireproof paint at the web plate of the steel beam is cancelled.
(2) The invention has the advantages that the arc convex surfaces are arranged on the opposite sides of the upper steel plate and the lower steel plate along the width direction, the shear-resistant rib unit comprises two shear-resistant rib monomers which are symmetrically arranged, when in use, the shear-resistant rib monomers comprise the lower arc-shaped reinforcing steel bars which are clung to the lower arc surface and are obliquely arranged in a striding way and the upper arc-shaped reinforcing steel bars which are clung to the upper arc surface and are obliquely arranged in a striding way, the lower arc-shaped reinforcing steel bars and the upper arc-shaped reinforcing steel bars are arranged in a crossing way, the end parts of the same sides of the upper arc-shaped reinforcing steel bars and the lower arc-shaped reinforcing steel bars are respectively and fixedly connected by the arc-shaped diagonal reinforcing steel bars, the space bearing area of the shear-resistant rib monomers I and the shear-resistant rib monomers II between the upper steel plate and the lower steel plate is improved, the compression resistance and the bending moment resistance of the shear-resistant rib monomers, meanwhile, the lower arc-shaped steel bar is tightly attached to the obliquely-crossing lower arc surface, the upper arc-shaped steel bar is tightly attached to the obliquely-crossing upper arc surface, when the lower arc-shaped steel bar is pressed, the two ends of the arc-shaped oblique-pulling steel bar have the tendency of moving towards the two sides, the two ends of the arc-shaped oblique-pulling steel bar can stretch the lower arc-shaped steel bar and the two ends of the upper arc-shaped steel bar to move towards each other, namely, the pressure is decomposed to the lower arc-shaped steel bar and the upper arc-shaped steel bar, the lower arc-shaped steel bar and the upper arc-shaped steel bar are welded to the lower arc surface and the upper arc surface due to the oblique crossing.
(3) The invention arranges the cross-shaped reinforcing frame at the middle position between the upper arc-shaped reinforcing steel bar and the lower arc-shaped reinforcing steel bar and between the two arc-shaped diagonal reinforcing steel bars, the four end parts of the cross-shaped reinforcing frame are respectively welded with the upper arc-shaped reinforcing steel bar and the lower arc-shaped reinforcing steel bar and the middle position between the two arc-shaped diagonal reinforcing steel bars, a hoop-shaped tensile rib is sleeved between the two arc-shaped diagonal reinforcing steel bars of the adjacent shearing-resistant rib monomers, when in application, on one hand, the cross-shaped reinforcing steel bar frame is abutted against the upper arc-shaped reinforcing steel bar, the lower arc-shaped reinforcing steel bar and the two arc-shaped diagonal reinforcing steel bars to prevent the upper arc-shaped reinforcing steel bar, the lower arc-shaped reinforcing steel bar and the two arc-shaped diagonal reinforcing steel bars from deforming, on the other hand, the cohesiveness among the concrete is improved, and further, the strength of the beam body is improved, and the arrangement of the hoop-shaped tensile ribs enables the plurality of shear-resistant rib monomers to generate relative displacement so that the plurality of shear-resistant rib monomers form a whole, thereby greatly improving the bearing capacity of the beam body.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic top view of the shear rib unit according to the present invention.
In the figure: 1. concrete; 2. a shear reinforcement monomer; 21. arc-shaped diagonal reinforcing steel bars; 22. arranging arc-shaped steel bars; 23. lower arc-shaped reinforcing steel bars; 24. a cross-shaped reinforcing steel bar frame; 3. steel plate feeding; 4. a lower steel plate; 5. an arc-shaped convex surface; 6. a hoop tensile reinforcement.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown: an embedded type externally-wrapped hoop-shaped steel-concrete composite beam comprises an upper steel plate 3 and a lower steel plate 4, wherein the upper steel plate 3 and the lower steel plate 4 are symmetrically arranged, one side of the upper steel plate 3, which is opposite to the lower steel plate 4, is provided with an arc-shaped convex surface 5 along the width direction, a shear-resistant rib unit is uniformly welded between the upper steel plate 3 and the lower steel plate 4 along the length direction of the upper steel plate, the shear-resistant rib unit comprises two shear-resistant rib monomers 2 which are symmetrically arranged, each shear-resistant rib monomer 2 comprises a lower arc-shaped steel bar 23 which is tightly attached to a lower arc-shaped inclined span and an upper arc-shaped steel bar 22 which is tightly attached to an upper arc-shaped inclined span, the lower arc-shaped steel bar 23 and the upper arc-shaped steel bar 23 are arranged in a crossed manner, the end parts of the upper arc-shaped steel bar 22 and the lower arc-shaped steel bar 23 at the same, four tip of cross reinforcing bar frame 24 respectively with last arc reinforcing bar 22 with lower arc reinforcing bar 23 and two arcuation draw the reinforcing bar 21 intermediate position department welding to one side, the cover is equipped with hoop tensile reinforcement 6 between two arcuation draw the reinforcing bar 21 to one side of adjacent shear reinforcement monomer 2, closely laminate between hoop tensile reinforcement 6 and two arcuation draw the reinforcing bar 21 to one side of adjacent shear reinforcement monomer 2, upward arranged concrete 1 between steel sheet 3 and the lower steel sheet 4, adjacent arcuation draw the reinforcing bar 21 tip to one side contact mutually.
The working principle is as follows: the invention adopts the shear-resistant bar unit to replace the middle web plate of the concrete steel beam, the combination of the upper steel plate, the lower steel plate and the shear-resistant bar unit can bear the bending moment and the compression resistance of the beam together, the shear-resistant bar unit and the concrete can improve the bearing shearing force of the beam after combination, the advantages of the ductility of the steel and the durability of the concrete are exerted, the consumption of the steel is greatly reduced, and the consumption of the anticorrosive paint and the fireproof coating at the flange of the steel beam is reduced and the consumption of the anticorrosive paint and the fireproof coating at the web plate of the steel beam is eliminated because the shear-resistant bar unit 2 comprises the lower arc-shaped steel bar 23 clinging to the inclined span of the lower arc surface and the upper arc-shaped steel bar 22 clinging to the inclined span of the upper arc surface which are arranged in a crossed way, the ends of the upper arc-shaped steel bar 22 and the lower arc-shaped steel bar 23 at the same, the arrangement improves the bearing area of the space between the upper steel plate 3 and the lower steel plate 4 of the shear reinforcement single body 2, improves the compression resistance and bending resistance performance of the shear reinforcement single body, and because the end parts of the adjacent arc-shaped diagonal reinforcement 21 are in contact with each other, when the beam is pressed, the end parts 21 of the adjacent arc-shaped diagonal reinforcement 21 are mutually butted and can decompose the force to the radial direction of the whole beam, the compression resistance and bending resistance performance of the beam are further improved, meanwhile, because the lower arc-shaped reinforcement 23 is tightly attached to the obliquely striding lower arc surface, the upper arc-shaped reinforcement 22 is tightly attached to the obliquely striding upper arc surface, when the beam is pressed, the two ends of the arc-shaped diagonal reinforcement 21 have the trend of moving towards two sides, and can stretch the two ends of the lower arc-shaped reinforcement 23 and the upper arc-shaped reinforcement 22 to move towards each other, namely, the pressure is decomposed to the lower, can decompose supreme steel sheet 3 and 4 width direction of lower steel sheet with power, the bearing capacity of roof beam has greatly been improved, and the cross steel reinforcement frame 24 that sets up, cross steel reinforcement frame 24 supports and touches arc reinforcing bar 22 and arc reinforcing bar 23 and two arcuations are inclined to one side pull-up bar 21 and are prevented to go up arc reinforcing bar 22 and arc reinforcing bar 23 and two arcuations are inclined to one side pull-up bar 21 and take place deformation down, the other party has improved the cohesiveness between concrete 1, and then improved roof beam body intensity, and the setting up of hoop form tensile reinforcement 6 prevents that a plurality of shear reinforcement monomers 2 from taking place relative displacement and make a plurality of shear reinforcement monomers 2 form integratively, the roof beam body bearing capacity has been improved greatly.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, improvements and the like can be made therein without departing from the spirit and scope of the invention.
Claims (3)
1. An embedded type outer-covering hoop-shaped steel-concrete composite beam comprises an upper steel plate (3) and a lower steel plate (4), and is characterized in that the upper steel plate (3) and the lower steel plate (4) are symmetrically arranged, one side, opposite to the upper steel plate (3) and the lower steel plate (4), of the upper steel plate is provided with an arc-shaped convex surface (5) along the width direction of the upper steel plate, shear-resistant rib units are uniformly welded between the upper steel plate (3) and the lower steel plate (4) along the length direction of the upper steel plate and comprise two shear-resistant rib units (2) which are symmetrically arranged, each shear-resistant rib unit (2) comprises a lower arc-shaped steel bar (23) which is tightly attached to a lower arc-shaped inclined span and an upper arc-shaped steel bar (22) which is tightly attached to an upper arc-shaped inclined span, the lower arc-shaped steel bar (22) and the upper arc-shaped steel bar (23) are arranged in an intersecting manner, go up arc reinforcing bar (22) and arc reinforcing bar (23) and two arcuations down and draw intermediate position department between reinforcing bar (21) to one side and be provided with cross reinforcing bar frame (24), four tip of cross reinforcing bar frame (24) respectively with last arc reinforcing bar (22) and arc reinforcing bar (23) and two arcuations down draw reinforcing bar (21) intermediate position department welding to one side, it is adjacent the cover is equipped with hoop form anti-lacing wire (6) between two arcuations of shear reinforcement monomer (2) draw reinforcing bar (21) to one side, go up steel sheet (3) and down and arranged concrete (1) between steel sheet (4).
2. The embedded type externally-wrapped hoop steel-concrete composite beam as claimed in claim 1, wherein: the end parts of the adjacent arc-shaped diagonal reinforcing steel bars (21) are in contact with each other.
3. The embedded type externally-wrapped hoop steel-concrete composite beam as claimed in claim 1, wherein: the hoop-shaped tensile rib (6) is tightly attached to the two adjacent arc-shaped diagonal reinforcing steel bars (21) of the shear-resistant rib single body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011059000.0A CN112227599A (en) | 2020-09-30 | 2020-09-30 | Embedded steel-concrete composite beam wrapped with hoops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011059000.0A CN112227599A (en) | 2020-09-30 | 2020-09-30 | Embedded steel-concrete composite beam wrapped with hoops |
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| Publication Number | Publication Date |
|---|---|
| CN112227599A true CN112227599A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011059000.0A Pending CN112227599A (en) | 2020-09-30 | 2020-09-30 | Embedded steel-concrete composite beam wrapped with hoops |
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| CN (1) | CN112227599A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131448A (en) * | 1993-07-19 | 1996-09-18 | 雷萨罗公司 | Arrangement at beam or building element and mould for making beam or building element |
| CN101818542A (en) * | 2010-04-07 | 2010-09-01 | 湖南大学 | Concrete beam with built-in space truss steel skeleton |
| CN202440991U (en) * | 2012-01-19 | 2012-09-19 | 广州城建开发设计院有限公司 | Truss rebar type concrete beam |
| US20130061406A1 (en) * | 2011-09-14 | 2013-03-14 | Allied Steel | Modular Bridge |
| CN103615069A (en) * | 2013-12-02 | 2014-03-05 | 广西科技大学 | Trussed steel rib concrete coupling beam |
| CN203583776U (en) * | 2013-10-31 | 2014-05-07 | 贵阳铝镁设计研究院有限公司 | Truss structure of reinforced concrete beam |
| CN203594163U (en) * | 2013-11-29 | 2014-05-14 | 哈尔滨理工大学 | Reinforced concrete force bearing beam |
| CN203603363U (en) * | 2013-12-16 | 2014-05-21 | 黑龙江建筑职业技术学院 | Anti-seismic composite beam of house |
| CN206521872U (en) * | 2017-02-04 | 2017-09-26 | 中交铁道设计研究总院有限公司 | A kind of subway station steel structure support beam |
| CN108396907A (en) * | 2018-05-12 | 2018-08-14 | 杭萧钢构股份有限公司 | A kind of double steel plate Combination beam of steel and concrete |
| CN108867996A (en) * | 2018-06-19 | 2018-11-23 | 隆生国际建设集团有限公司 | Building corridor formula truss |
| CN109518860A (en) * | 2018-12-13 | 2019-03-26 | 江阴普顿塑胶有限公司 | Detachable self-bearing type truss composite material floor support plate |
| KR20190078141A (en) * | 2017-12-26 | 2019-07-04 | 경희대학교 산학협력단 | Filler-supported Reinforcement Truss Girder apllied to Truss integrated Deck Plate |
| CN111042442A (en) * | 2019-12-24 | 2020-04-21 | 华东建筑设计研究院有限公司 | Precast concrete hollow component and preparation method thereof |
| CN211523761U (en) * | 2019-10-23 | 2020-09-18 | 山东科技大学 | Ribbed light steel beam with novel connection mode |
-
2020
- 2020-09-30 CN CN202011059000.0A patent/CN112227599A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131448A (en) * | 1993-07-19 | 1996-09-18 | 雷萨罗公司 | Arrangement at beam or building element and mould for making beam or building element |
| CN101818542A (en) * | 2010-04-07 | 2010-09-01 | 湖南大学 | Concrete beam with built-in space truss steel skeleton |
| US20130061406A1 (en) * | 2011-09-14 | 2013-03-14 | Allied Steel | Modular Bridge |
| CN202440991U (en) * | 2012-01-19 | 2012-09-19 | 广州城建开发设计院有限公司 | Truss rebar type concrete beam |
| CN203583776U (en) * | 2013-10-31 | 2014-05-07 | 贵阳铝镁设计研究院有限公司 | Truss structure of reinforced concrete beam |
| CN203594163U (en) * | 2013-11-29 | 2014-05-14 | 哈尔滨理工大学 | Reinforced concrete force bearing beam |
| CN103615069A (en) * | 2013-12-02 | 2014-03-05 | 广西科技大学 | Trussed steel rib concrete coupling beam |
| CN203603363U (en) * | 2013-12-16 | 2014-05-21 | 黑龙江建筑职业技术学院 | Anti-seismic composite beam of house |
| CN206521872U (en) * | 2017-02-04 | 2017-09-26 | 中交铁道设计研究总院有限公司 | A kind of subway station steel structure support beam |
| KR20190078141A (en) * | 2017-12-26 | 2019-07-04 | 경희대학교 산학협력단 | Filler-supported Reinforcement Truss Girder apllied to Truss integrated Deck Plate |
| CN108396907A (en) * | 2018-05-12 | 2018-08-14 | 杭萧钢构股份有限公司 | A kind of double steel plate Combination beam of steel and concrete |
| CN108867996A (en) * | 2018-06-19 | 2018-11-23 | 隆生国际建设集团有限公司 | Building corridor formula truss |
| CN109518860A (en) * | 2018-12-13 | 2019-03-26 | 江阴普顿塑胶有限公司 | Detachable self-bearing type truss composite material floor support plate |
| CN211523761U (en) * | 2019-10-23 | 2020-09-18 | 山东科技大学 | Ribbed light steel beam with novel connection mode |
| CN111042442A (en) * | 2019-12-24 | 2020-04-21 | 华东建筑设计研究院有限公司 | Precast concrete hollow component and preparation method thereof |
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Application publication date: 20210115 |