CN104251039A - Steel-reinforced concrete-steel beam mixed connecting beam and construction method thereof - Google Patents
Steel-reinforced concrete-steel beam mixed connecting beam and construction method thereof Download PDFInfo
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- CN104251039A CN104251039A CN201310270932.3A CN201310270932A CN104251039A CN 104251039 A CN104251039 A CN 104251039A CN 201310270932 A CN201310270932 A CN 201310270932A CN 104251039 A CN104251039 A CN 104251039A
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Abstract
The invention relates to a steel-reinforced concrete-steel beam mixed connecting beam and a construction method of the connecting beam, and belongs to the technical field of building structures. The connecting beam is composed of steel beams and beam end outsourcing reinforced concrete; the steel beams are I-steel beams and are composed of flanges and webs. The beam end outsourcing reinforced concrete is composed of longitudinal ribs, hoops and concrete, and is combined with middle steel beams to form a steel-reinforced concrete beam segment. Anchoring studs are welded to the flanges and the webs, extending into wall limbs, of the steel beams and are used for transmitting interface shear stress between the steel beams and wall limb concrete. End plates are welded to two ends of the steel beams and are used for improving anchoring of the connecting beam in the wall limb. Wall limb hoops at the corresponding position are broken off through stretching of the steel beams. The broken-off hoops are required to be welded to the corresponding webs of the steel beams. Compared with a traditional steel connecting beam, on the premise that the stress performance of the connecting beam is not reduced, the use amount of steel can be obviously saved, design is more flexible, and the connecting beam has the wide application prospect.
Description
Technical field
The present invention relates to a kind of steel reinforced concrete-girder steel mixing coupling beam, belong to building structure technology field.
Background technology
In shear wall structure system, coupling beam is important dissipative member.Under seismic loading, coupling beam is generally born along the constant shearing action in beam span direction; Its inflection point is at span centre, and moment of flexure linearly increases toward two ends; Namely the span centre part of coupling beam is act as master to cut, and beam-ends is to act as master by curved.Chinese scholars proposes by the thought of girder steel as coupling beam connecting reinforcement concrete shear force wall limb, and has carried out certain research work.When designing steel coupling beam, requiring that the anti-bending bearing capacity of coupling beam is far above its shear-carrying capacity, making it that good shear yielding power consumption of ductile performance occur.Therefore, the edge of a wing of steel coupling beam is often designed a lot thicker than web, both consumes steel like this, brings difficulty again to processing.
Steel framed concrete beam is osteoplastic at traditional reinforced concrete beam inside placement steel, and it has higher bending resistance and shear-carrying capacity than single reinforced concrete beam or girder steel.In conjunction with the loading characteristic of coupling beam uniqueness, at steel coupling beam two ends parcel steel concrete, thus form steel reinforced concrete-girder steel mixing coupling beam, ensure that the coupling beam two ends poor plastic hinge of ability that do not deform destroys, enable the fully shear yielding power consumption of girder steel section.
Summary of the invention
The object of the invention is to propose a kind of simple structure, reasonable stress, steel reinforced concrete-girder steel mixing coupling beam of easy construction and construction method thereof.
Technical scheme of the present invention is as follows:
A kind of steel reinforced concrete-girder steel mixing coupling beam, it is characterized in that, this coupling beam comprises the girder steel section at middle part and the steel framed concrete beam section at two ends, and the reinforcing bar of described steel framed concrete beam section and girder steel section are same girder steel, the two ends affixed end plate respectively of girder steel; Shear wall is stretched into and affixed with it respectively in coupling beam two ends.Described girder steel Duan Weiyi I-steel, is made up of upper bottom flange and web.Described steel framed concrete beam section comprises vertical muscle, stirrup, reinforcing bar and concrete.The length of described steel framed concrete beam section can be 1/4 ~ 1/3 of coupling beam total span.Stretch on the edge of a wing of shear wall limb inside and web and be welded with anchoring peg.
A construction method for steel reinforced concrete-girder steel mixing coupling beam, is characterized in that, comprise the following steps:
I-steel is made in upper bottom flange and web welding, in I-steel two ends welded end plate, and welds anchoring peg on the edge of a wing stretching into shear wall limb inside and web; Above-mentioned steel work part in place; Vertical muscle, stirrup in the vertical muscle of construction reinforcing bar Concrete Beam Segment, stirrup and shear wall limb, the stirrup welding edges interrupted by shear wall limb is on the steel beam web plate of correspondence; Formwork, builds the concrete of shear wall limb and coupling beam.The length that described coupling beam stretches into wall limb inside can be 1 ~ 2 times of I-steel depth of beam.
The present invention has the following advantages relative to prior art and gives prominence to effect:
The present invention have employed steel framed concrete beam at coupling beam two ends, and the plastic hinge that ability is poor thus guarantee coupling beam two ends do not deform destroys, and enables the fully shear yielding power consumption of middle girder steel section.Compare traditional steel coupling beam, the present invention, can saving steel consumption significantly under the prerequisite not reducing coupling beam stress performance, and design is more flexible.
The present invention can be applicable in the shear wall structure system of multi-story and high-rise building.
Accompanying drawing explanation
Fig. 1 is the connecting structure elevation of the present invention and reinforced concrete shear wall limb;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1;
Fig. 4 is the C-C sectional drawing of Fig. 1;
Fig. 5 is the structure elevation of girder steel part of the present invention;
Fig. 6 is the D-D sectional drawing of Fig. 5;
In figure: 1-steel beam flange; 2-steel beam web plate; 3-steel framed concrete beam section indulges muscle; 4-steel framed concrete beam section stirrup; 5-anchoring peg; 6-end plate; 7-reinforced concrete shear wall limb indulges muscle; 8-reinforced concrete shear wall limb stirrup.
Specific implementation method
Below in conjunction with accompanying drawing, specific embodiment of the invention method is further described.
The present invention is a kind of steel reinforced concrete-girder steel mixing coupling beam, this coupling beam comprises the affixed end plate 1 in the girder steel section at middle part, the steel framed concrete beam section at two ends and girder steel two ends, the reinforcing bar of described steel framed concrete beam section and girder steel section are same girder steel, shear wall is stretched into and affixed with it respectively in coupling beam two ends, as shown in Figure 2.Girder steel Duan Weiyi steel I-beam, is made up of upper bottom flange 1 and web 2, as shown in Figure 3.Steel framed concrete beam section is made up of reinforcing bar, vertical muscle 3, stirrup 4 and concrete, as shown in Figure 2.Steel framed concrete beam section can ensure that the coupling beam two ends poor plastic hinge of ability that do not deform destroys, and enables the fully shear yielding power consumption of middle girder steel section.The length of steel framed concrete beam section can be 1/4 ~ 1/3 of coupling beam total span.To stretch on the steel beam flange 1 of reinforced concrete shear wall limb inside and steel beam web plate 2 and be welded with anchoring peg 5, for transmitting the interface shear stress between girder steel and wall limb concrete.Girder steel two ends are welded with end plate 6, for improving the anchoring of coupling beam in wall limb inside.Girder steel stretch into the reinforced concrete shear wall limb stirrup 8 having interrupted relevant position; Reinforced concrete shear wall limb stirrup 8 end of interrupting must be welded on corresponding steel beam web plate 2, as shown in Figures 4 to 6.The length that coupling beam stretches into wall limb inside can be 1 ~ 2 times of I-steel depth of beam.When mixing Design of Connecting Beam, if the insufficient rigidity of girder steel section, girder steel section web thickness suitably can be increased.
Construction method of the present invention is:
First machine the steel work part of coupling beam, and weld anchoring peg 5 in relevant position; Coupling beam steel work part in place; Vertical muscle 7, the stirrup 8 of the vertical muscle 3 of construction reinforcing bar Concrete Beam Segment, stirrup 4 and shear wall limb, by stirrup 8 welding edges that interrupts on corresponding steel beam web plate 2; Formwork, builds the concrete of shear wall limb and coupling beam.
Claims (7)
1. steel reinforced concrete-girder steel mixing coupling beam, it is characterized in that, this coupling beam comprises the girder steel section at middle part and the steel framed concrete beam section at two ends, and the reinforcing bar of described steel framed concrete beam section and girder steel section are same girder steel, the two ends affixed end plate respectively of girder steel; Shear wall is stretched into and affixed with it respectively in coupling beam two ends.
2. steel reinforced concrete according to claim 1-girder steel mixing coupling beam, it is characterized in that, described girder steel Duan Weiyi I-steel, is made up of upper bottom flange and web.
3. steel reinforced concrete according to claim 1-girder steel mixing coupling beam, it is characterized in that, described steel framed concrete beam section comprises vertical muscle, stirrup, reinforcing bar and concrete.
4. steel reinforced concrete according to claim 1-girder steel mixing coupling beam, it is characterized in that, the length of described steel framed concrete beam section is 1/4 ~ 1/3 of coupling beam total span.
5. steel reinforced concrete according to claim 2-girder steel mixing coupling beam, is characterized in that, stretches on the edge of a wing of shear wall limb inside and web and is welded with anchoring peg.
6. the construction method of steel reinforced concrete according to any one of claim 1 to 5-girder steel mixing coupling beam, is characterized in that, comprise the following steps:
I-steel is made in upper bottom flange and web welding, in I-steel two ends welded end plate, and welds anchoring peg on the edge of a wing stretching into shear wall limb inside and web; Above-mentioned steel work part in place; Vertical muscle, stirrup in the vertical muscle of construction reinforcing bar Concrete Beam Segment, stirrup and shear wall limb, the stirrup welding edges interrupted by shear wall limb is on the steel beam web plate of correspondence; Formwork, builds the concrete of shear wall limb and coupling beam.
7. construction method according to claim 6, is characterized in that, the length that described coupling beam stretches into wall limb inside is 1 ~ 2 times of I-steel depth of beam.
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| CN201310270932.3A CN104251039A (en) | 2013-06-29 | 2013-06-29 | Steel-reinforced concrete-steel beam mixed connecting beam and construction method thereof |
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| CN201310270932.3A CN104251039A (en) | 2013-06-29 | 2013-06-29 | Steel-reinforced concrete-steel beam mixed connecting beam and construction method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818801A (en) * | 2015-05-08 | 2015-08-05 | 重庆欧冠钢结构有限公司 | Pre-fabricated section steel reinforced concrete beam and pillar and manufacturing method |
| CN105756287A (en) * | 2016-03-24 | 2016-07-13 | 中国建筑第八工程局有限公司 | Reverse-hanging steel bar arrangement construction method for stiff steel reinforced beams and prop steel bars |
| CN106437027A (en) * | 2016-10-25 | 2017-02-22 | 华侨大学 | Anti-bending shear-resistant anti-vibration self-adaptive type combined connecting beam and processing method thereof |
| CN106639050A (en) * | 2017-02-14 | 2017-05-10 | 华侨大学 | Connecting structure between reinforced concrete shear walls and steel coupling beam |
| RU2624476C1 (en) * | 2016-05-31 | 2017-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" ФГБОУ ВО "ТГТУ" | Joist for producing cast-in-place and precast building frame |
| CN107574975A (en) * | 2017-09-07 | 2018-01-12 | 共享钢构有限责任公司 | The hanging coupling beam structure of framed-tube structure and coupling beam construction method |
| RU2681322C1 (en) * | 2018-03-07 | 2019-03-06 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Collar for production of a composite one-piece frame of a building |
| CN111519839A (en) * | 2020-03-11 | 2020-08-11 | 北京城建集团有限责任公司 | H shaped steel and binding up structure of reinforcing bar |
| CN114412013A (en) * | 2022-01-20 | 2022-04-29 | 江苏沪宁钢机股份有限公司 | Building wall segment and construction method |
| CN117266404A (en) * | 2023-11-24 | 2023-12-22 | 华侨大学 | Prefabricated assembled outer wall and steel frame beam connecting node and construction method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818801A (en) * | 2015-05-08 | 2015-08-05 | 重庆欧冠钢结构有限公司 | Pre-fabricated section steel reinforced concrete beam and pillar and manufacturing method |
| CN105756287A (en) * | 2016-03-24 | 2016-07-13 | 中国建筑第八工程局有限公司 | Reverse-hanging steel bar arrangement construction method for stiff steel reinforced beams and prop steel bars |
| RU2624476C1 (en) * | 2016-05-31 | 2017-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" ФГБОУ ВО "ТГТУ" | Joist for producing cast-in-place and precast building frame |
| CN106437027A (en) * | 2016-10-25 | 2017-02-22 | 华侨大学 | Anti-bending shear-resistant anti-vibration self-adaptive type combined connecting beam and processing method thereof |
| CN106639050A (en) * | 2017-02-14 | 2017-05-10 | 华侨大学 | Connecting structure between reinforced concrete shear walls and steel coupling beam |
| CN107574975B (en) * | 2017-09-07 | 2019-11-05 | 共享钢构有限责任公司 | The hanging coupling beam structure of framed-tube structure and coupling beam construction method |
| CN107574975A (en) * | 2017-09-07 | 2018-01-12 | 共享钢构有限责任公司 | The hanging coupling beam structure of framed-tube structure and coupling beam construction method |
| RU2681322C1 (en) * | 2018-03-07 | 2019-03-06 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Collar for production of a composite one-piece frame of a building |
| CN111519839A (en) * | 2020-03-11 | 2020-08-11 | 北京城建集团有限责任公司 | H shaped steel and binding up structure of reinforcing bar |
| CN114412013A (en) * | 2022-01-20 | 2022-04-29 | 江苏沪宁钢机股份有限公司 | Building wall segment and construction method |
| CN114412013B (en) * | 2022-01-20 | 2024-03-29 | 江苏沪宁钢机股份有限公司 | Building wall segment and construction method |
| CN117266404A (en) * | 2023-11-24 | 2023-12-22 | 华侨大学 | Prefabricated assembled outer wall and steel frame beam connecting node and construction method thereof |
| CN117266404B (en) * | 2023-11-24 | 2024-02-13 | 华侨大学 | Prefabricated assembled outer wall and steel frame beam connecting node and construction method thereof |
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Application publication date: 20141231 |