CN113404215A - Assembled steel-wood composite beam - Google Patents
Assembled steel-wood composite beam Download PDFInfo
- Publication number
- CN113404215A CN113404215A CN202110790403.0A CN202110790403A CN113404215A CN 113404215 A CN113404215 A CN 113404215A CN 202110790403 A CN202110790403 A CN 202110790403A CN 113404215 A CN113404215 A CN 113404215A
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- CN
- China
- Prior art keywords
- plate
- wood
- inverted
- steel
- glued
- 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.)
- Pending
Links
- 239000002023 wood Substances 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 20
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 20
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002983 wood substitute Substances 0.000 description 1
Images
Classifications
-
- 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
- E04C3/292—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 wood and metal
Abstract
An assembled steel-wood composite beam comprises an inverted T-shaped steel beam, wherein a plurality of groups of gluing engineering wood are respectively arranged on two sides of a web plate of the inverted T-shaped steel beam in a clinging manner, an FRP (fiber reinforced plastic) plate is arranged at the bottom of the inverted T-shaped steel beam, a fixing steel plate is arranged at the top of the gluing engineering wood, bolts penetrate through bolt holes reserved in the FRP plate, a wing plate of the inverted T-shaped steel beam, the gluing engineering wood and the fixing steel plate and are fastened through nuts; the glued engineering wood in the invention reduces the self weight of the beam to the maximum extent, and the bonding between the parts and the connection of the bolts play roles in connecting the whole and transversely constraining, thereby enhancing the integrity of the beam; the FRP plate has good heat resistance and moisture resistance; has the advantages of reasonable steel consumption, high bending resistance bearing capacity, good ductility and durability, short construction period and convenient assembly.
Description
Technical Field
The invention relates to the technical field of civil engineering structures, in particular to an assembled steel-wood composite beam.
Background
The existing wood-substitute structure has high assembly degree and good anti-seismic performance, accords with the green energy-saving building concept, and obtains more and more engineering application by adding beautiful building modeling. Modern wood structures use logs or engineered wood as the component material. Compared with steel, the wood has lower elastic modulus and strength, is influenced by natural textures, nodules and the like, has lower reliability of the stress performance than the steel, has larger strength variability, and is particularly an engineering wood taking laminated wood as a main material, and the performance of the engineering wood is also related to the performance of an adhesive. Due to the performance defects of the wood used in the modern wood structure, the size of the member is limited, so that the application range of the modern wood structure is also limited; meanwhile, the wood beam member is easy to be subjected to brittle tension damage when being bent, and the applicable bearing range and span range of the wood beam are limited. Therefore, how to improve the bending resistance and ductility of the wood beam in the modern wood structure is one of the key technical problems that promote the wider application of the modern wood structure.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the assembled steel-wood composite beam, which has the advantages that the self weight of the beam is greatly reduced through the internal glued engineered wood, the bonding among parts and the connection of bolts are realized, the effects of integral connection and transverse restraint are realized, and the integrity of the beam is enhanced; the steel plate has the advantages of high bending resistance bearing capacity, good ductility, good durability, attractive appearance, short construction period and easiness in assembly and construction.
In order to achieve the above purpose, the solution adopted by the invention is as follows:
the assembled steel-wood composite beam comprises an inverted T-shaped steel beam 2, wherein a plurality of groups of glued engineering wood 1 are respectively arranged on two sides of a web 2-2 of the inverted T-shaped steel beam 2 in a tightly attached mode, an FRP (fiber reinforced plastic) plate 4 is arranged at the bottom of the inverted T-shaped steel beam 2, a fixing steel plate 3 is arranged at the top of the glued engineering wood 1, and a bolt 5 penetrates through the FRP plate 4, a wing plate 2-1 of the inverted T-shaped steel beam 2, the glued engineering wood 1 and a bolt hole reserved in the fixing steel plate 3 and is fastened through a nut 6.
The width of the wing plate 2-1 is matched with that of the glued engineering wood 1.
The top of the web plate 2-2 is not contacted with the fixed steel plate 3, and a compression deformation gap is formed among the top of the web plate 2-2, the bottom of the fixed steel plate 3 and the gluing engineering wood 1.
The glued engineering wood 1, the glued engineering wood 1 and the inverted T-shaped steel beam 2 and the FRP plate 4 are connected through gluing.
The bolts are high-strength bolts with the strength of 8.8-10.9 grades.
The invention has the beneficial effects that:
the invention has reliable construction and assembly, the construction quality is easy to ensure, and the self weight of the beam is greatly reduced by the internal glued engineering wood; the bonding between the parts and the connection of the bolts play roles in connecting the whole and transversely constraining, and the integrity of the beam is enhanced; the FRP plate has good heat resistance and moisture resistance. The invention has the advantages of reasonable steel consumption, high bending resistance bearing capacity, good ductility and durability, short construction period and convenient assembly.
Drawings
Fig. 1 is a schematic structural diagram of a bolt 5 and a nut 6 according to the present invention.
Fig. 2 is a schematic structural view of the fixing steel plate 3 of the present invention.
Fig. 3 is a schematic structural view of the glued engineered wood 1 of the present invention.
Fig. 4 is a schematic structural view of the inverted T-shaped steel beam 2 of the present invention.
Fig. 5 is a schematic structural view of the FRP panel 4 of the present invention.
Fig. 6 is a schematic view of an assembly structure of the present invention.
FIG. 7 is a diagram showing the effects of the components of the present invention.
In the figure: 1. gluing engineering wood; 2. an inverted T-shaped steel beam; 2-1, wing plates; 2-2, a web; 3. Fixing a steel plate; 4. FRP plates; 5. a bolt; 6. and (4) a nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, an assembled steel-wood composite beam comprises an inverted T-shaped steel beam 2, wherein a plurality of groups of glued engineering wood 1 are respectively arranged on two sides of a web 2-2 of the inverted T-shaped steel beam 2 in a clinging manner, an FRP plate 4 is arranged at the bottom of the inverted T-shaped steel beam 2, a fixed steel plate 3 is arranged at the top of the glued engineering wood 1, bolts 5 penetrate through the FRP plate 4, bolt holes reserved in a wing plate 2-1 of the inverted T-shaped steel beam 2, the glued engineering wood 1 and the fixed steel plate 3, and are fastened through nuts 6, so that the integrated and transverse constraint connection effect is achieved.
The width of the wing plate 2-1 is matched with that of the glued engineering wood 1.
The top of the web plate 2-2 is not contacted with the fixed steel plate 3, and a compression deformation gap is formed among the top of the web plate 2-2, the bottom of the fixed steel plate 3 and the gluing engineering wood 1.
The glued engineering wood 1, the glued engineering wood 1 and the inverted T-shaped steel beam 2 and the FRP plate 4 are connected through gluing, and integrity is enhanced.
The bolts are high-strength bolts with the strength of 8.8-10.9 grades.
The working principle of the invention is as follows:
firstly, gluing the glued engineered wood 1 together by glue (such as light ocean glue), and then respectively gluing the left side and the right side of the inverted T-shaped steel beam 2 by glue (such as steel glue) to bond the glued engineered wood 1 into a whole; bonding the FRP plate 4 to the bottom of the inverted T-shaped steel beam 2 by using adhesive steel glue; then, a fixed steel plate 3 is placed on the top of the glued engineered wood 1; reserving bolt holes in a fixed steel plate 3, a glued engineering wood 1, an inverted T-shaped steel beam 2 and an FRP plate 4; and finally, the bolt 5 penetrates through a pre-reserved hole to play a role in connecting the whole body and transversely restricting. The invention has reliable structure and assembly and easy construction quality guarantee, the internal glued engineered wood 1 greatly reduces the self weight of the beam, and the bonding between the components and the connection of the bolts 5 enhance the integrity of the beam. Has the characteristics of reasonable steel consumption, convenient assembly and good bearing capacity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an assembled steel-wood composite beam, includes inverted T shaped steel roof beam (2), its characterized in that: the novel steel beam is characterized in that a plurality of groups of glued engineering wood (1) are arranged on two sides of a web plate (2-2) of the inverted T-shaped steel beam (2) in a clinging mode respectively, an FRP (fiber reinforced plastic) plate (4) is arranged at the bottom of the inverted T-shaped steel beam (2), a fixing steel plate (3) is arranged at the top of the glued engineering wood (1), and bolts (5) penetrate through the FRP plate (4), wing plates (2-1) of the inverted T-shaped steel beam (2), bolt holes reserved in the glued engineering wood (1) and the fixing steel plate (3) and are fastened through nuts (6).
2. The assembled steel-wood composite beam of claim 1, wherein: the width of the wing plate (2-1) is matched with that of the glued engineering wood (1).
3. The assembled steel-wood composite beam of claim 1, wherein: the top of the web plate (2-2) is not contacted with the fixed steel plate (3), and a compression deformation gap is formed among the top of the web plate (2-2), the bottom of the fixed steel plate (3) and the glued engineered wood (1).
4. The assembled steel-wood composite beam of claim 1, wherein: the glued engineering wood (1), the glued engineering wood (1) and the inverted T-shaped steel beam (2) and the FRP plate (4) are connected through gluing.
5. The assembled steel-wood composite beam of claim 1, wherein: the bolts are high-strength bolts with the strength of 8.8-10.9 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110790403.0A CN113404215A (en) | 2021-07-13 | 2021-07-13 | Assembled steel-wood composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110790403.0A CN113404215A (en) | 2021-07-13 | 2021-07-13 | Assembled steel-wood composite beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113404215A true CN113404215A (en) | 2021-09-17 |
Family
ID=77686113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110790403.0A Pending CN113404215A (en) | 2021-07-13 | 2021-07-13 | Assembled steel-wood composite beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113404215A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016665A (en) * | 2021-09-28 | 2022-02-08 | 中国建材国际工程集团有限公司 | Light steel-wood composite beam |
| CN114016666A (en) * | 2021-09-28 | 2022-02-08 | 中国建材国际工程集团有限公司 | Construction method of assembled light steel-wood composite beam |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5875603A (en) * | 1996-06-21 | 1999-03-02 | University Of Central Florida | Metal and wood composite framing members for residential and light commercial construction |
| JP2004230621A (en) * | 2003-01-29 | 2004-08-19 | Sekisui House Ltd | Composite reinforced bonded wood and residence using this bonded wood |
| JP2009030299A (en) * | 2007-07-26 | 2009-02-12 | Yamashita System Zosaku:Kk | Reinforcing glued laminated wood |
| CN103603462A (en) * | 2013-10-12 | 2014-02-26 | 南京工业大学 | Combined beam of FRP, wood and steel reinforced concrete |
| CN108894327A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | Steel and wood composite column and assemble method |
| CN208934252U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of steel and wood composite girder construction |
| CN110241973A (en) * | 2019-07-19 | 2019-09-17 | 福州大学 | A kind of steel-wood-concrete combination beam and its construction method |
| JP2019155923A (en) * | 2019-04-25 | 2019-09-19 | 株式会社ポラス暮し科学研究所 | Method of manufacturing wooden structure, wooden structure, connection method, and module |
| CN210622108U (en) * | 2019-08-13 | 2020-05-26 | 凯里学院 | Steel-wood structure assembled house combination beam mechanism |
| CN111350308A (en) * | 2020-03-10 | 2020-06-30 | 天津大学 | Spliced prestressed steel-wood composite beam |
| JP2020147995A (en) * | 2019-03-13 | 2020-09-17 | 株式会社熊谷組 | Structural material |
| JP2020147997A (en) * | 2019-03-13 | 2020-09-17 | 株式会社熊谷組 | Beam-floor joint structure |
| CN112593659A (en) * | 2020-12-04 | 2021-04-02 | 上海市建筑科学研究院有限公司 | Engineering bamboo component reinforced by profile steel and preparation method thereof |
-
2021
- 2021-07-13 CN CN202110790403.0A patent/CN113404215A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5875603A (en) * | 1996-06-21 | 1999-03-02 | University Of Central Florida | Metal and wood composite framing members for residential and light commercial construction |
| JP2004230621A (en) * | 2003-01-29 | 2004-08-19 | Sekisui House Ltd | Composite reinforced bonded wood and residence using this bonded wood |
| JP2009030299A (en) * | 2007-07-26 | 2009-02-12 | Yamashita System Zosaku:Kk | Reinforcing glued laminated wood |
| CN103603462A (en) * | 2013-10-12 | 2014-02-26 | 南京工业大学 | Combined beam of FRP, wood and steel reinforced concrete |
| CN108894327A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | Steel and wood composite column and assemble method |
| CN208934252U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of steel and wood composite girder construction |
| JP2020147995A (en) * | 2019-03-13 | 2020-09-17 | 株式会社熊谷組 | Structural material |
| JP2020147997A (en) * | 2019-03-13 | 2020-09-17 | 株式会社熊谷組 | Beam-floor joint structure |
| JP2019155923A (en) * | 2019-04-25 | 2019-09-19 | 株式会社ポラス暮し科学研究所 | Method of manufacturing wooden structure, wooden structure, connection method, and module |
| CN110241973A (en) * | 2019-07-19 | 2019-09-17 | 福州大学 | A kind of steel-wood-concrete combination beam and its construction method |
| CN210622108U (en) * | 2019-08-13 | 2020-05-26 | 凯里学院 | Steel-wood structure assembled house combination beam mechanism |
| CN111350308A (en) * | 2020-03-10 | 2020-06-30 | 天津大学 | Spliced prestressed steel-wood composite beam |
| CN112593659A (en) * | 2020-12-04 | 2021-04-02 | 上海市建筑科学研究院有限公司 | Engineering bamboo component reinforced by profile steel and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016665A (en) * | 2021-09-28 | 2022-02-08 | 中国建材国际工程集团有限公司 | Light steel-wood composite beam |
| CN114016666A (en) * | 2021-09-28 | 2022-02-08 | 中国建材国际工程集团有限公司 | Construction method of assembled light steel-wood composite beam |
| CN114016665B (en) * | 2021-09-28 | 2023-03-14 | 中国建材国际工程集团有限公司 | Light steel-wood composite beam |
| CN114016666B (en) * | 2021-09-28 | 2023-03-14 | 中国建材国际工程集团有限公司 | Construction method of assembled light steel-wood composite beam |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210917 |
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| RJ01 | Rejection of invention patent application after publication |