CN109868716A - A kind of steel and wood composite box beam - Google Patents
A kind of steel and wood composite box beam Download PDFInfo
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- CN109868716A CN109868716A CN201910297162.9A CN201910297162A CN109868716A CN 109868716 A CN109868716 A CN 109868716A CN 201910297162 A CN201910297162 A CN 201910297162A CN 109868716 A CN109868716 A CN 109868716A
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- steel
- clt
- wood composite
- box beam
- web
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Abstract
The present invention provides a kind of steel and wood composite box beams, comprising: CLT floorings, steel and wood composite box beam block, steel web, the side CLT web, screw, H profile steel, flange plate and bolt.The CLT floorings, H profile steel and flange plate offer bolt hole, and CLT floorings and flange plate are overlapped on blending bolt in H profile steel slot respectively and anchor；The CLT floorings are connected by screw to the side CLT web, the side CLT web is carried out with steel and wood composite box beam block by E1 grades of phenol glues be bonded, CLT floorings lower part is carried out with steel and wood composite box beam block top by E1 grades of phenol glues be bonded, and steel web and steel and wood composite box beam block are by being welded together；The steel and wood composite box beam block is made of several deformed steel flats and elongated narrow beam, and the both ends of deformed steel flats are bonded in the edge of upper and lower staggered elongated narrow beam by E1 grades of phenol glues.CLT floorings, steel and wood composite box beam block, steel web, the side CLT web constitute single-box multi-cell Spatial Box Beam, take full advantage of advantage combined with steel and wood, have preferable bending resistance and torsional property, are suitable for the light-duty traffic bridges such as row across people greatly and motorcycle.
Description
Technical field
The present invention relates to a kind of steel and wood composite box beam, it is applied to all kinds of greatly across light bridge, belongs to field of civil engineering.
Background technique
Timber buildings and steel-wood structure building have biggish universal and develop in American-European, Japan and other countries, however existing
In some timber structures, steel and wood composite structure is applied less in light bridge, traditional light bridge member section form list
One, mostly T section beam or rectangular cross section beam, span is little, is suitable for small-sized foot bridge beam.Box beam has good anti-
Curved, shear behavior and torsional property, steel have the advantages that intensity is high, ductility is good, and timber has tensile property good, green ring
It protects, the strong feature of affinity, is suitable for construction foot bridge beam, CLT plate has integrality performance of the structure good, the good advantage of assembly performance.
And in steel-wood structure, CLT has preferable load-bearing capacity, and lightweight, material source are extensive, and the two is applied in combination can be big
The anti-seismic performance of big enhancing bridge.
207392039 U of Chinese patent CN discloses a kind of box beam, including top plate, be set to the web of top plate two sides with
And the bottom plate positioned at web bottom end, the web close to bottom plate one end and the side that is located remotely from each other in web be fixedly installed plus
Strong plate is provided with shock-proof plate far from the side of top plate in the bottom plate；The web offers multiple with the back plate connections
Muscle hole is buried, is embedded with reinforcing rib burying in muscle hole.Box beam vibration can be reduced, reduce the crack that box beam is generated by vibration, increased
Its long service life.But the invention also considerably increases the difficulty of construction, construction while enhancing structural seismic performance
Duration not enough cleans so that consumptive material is more, construction cost increases.Therefore in the case where proof strength, rigidity and stability,
Using which kind of material, it is highly important for mitigating member dead weight.
To overcome above-mentioned deficiency, the present invention proposes a kind of steel and wood composite box beam, and the section form of box beam is enhancing component
Bending stiffness and torsional rigidity while, can be improved the span of people's row and Light-duty Vehicle suspension bridge.Standard degree is high, construction
Difficulty reduces, construction period is fast, and environment influences small.
Summary of the invention
Present invention solves the technical problem that: the object of the present invention is to provide a kind of steel and wood composite box beam, make full use of CLT and
The mechanical property of steel, and using the form of box beam, it can be improved the torsional property of bridge, meet bridge structure bending resistance, resist
It cuts and overall stability, and the anti-seismic performance of bridge is also improved.Meanwhile material therefor is environmentally protective, shape is more beautiful
It sees, it is convenient to construct.
Technical solution of the present invention: a kind of steel and wood composite box beam, including CLT floorings, steel and wood composite box beam block, steel abdomen
Plate, the side CLT web, screw, H profile steel, flange plate, bolt.
A kind of steel and wood composite box beam, which is characterized in that the CLT floorings, H profile steel and flange plate offer spiral shell
Keyhole, CLT floorings and flange plate are overlapped on blending bolt in H profile steel slot respectively and anchor；The CLT floorings and the side CLT abdomen
Plate is connected by screw to, and the side CLT web carries out be bonded, CLT floorings lower part by E1 grades of phenol glues with steel and wood composite box beam block
Carried out with steel and wood composite box beam block top by E1 grades of phenol glues be bonded, steel web and steel and wood composite box beam block pass through welded connecting
Together；The steel and wood composite box beam block is made of several deformed steel flats and elongated narrow beam, and the both ends of deformed steel flats pass through E1 grades
Phenol glue is bonded in the edge of upper and lower staggered elongated narrow beam；The CLT floorings, steel and wood composite box beam block, steel web, CLT
Side web constitutes single-box multi-cell Spatial Box Beam.
A kind of steel and wood composite box beam, which is characterized in that a kind of steel and wood composite box beam depth-width ratio is the side 2: 3, CLT abdomen
The single-box multi-cell space formed between plate and internal steel web is arranged symmetrically.
A kind of steel and wood composite box beam, which is characterized in that the height of steel web be 160cm, steel web with a thickness of
12mm, and be the thickness of twice of deformed steel flats.
A kind of steel and wood composite box beam, which is characterized in that steel and wood composite box beam block height is the height of steel web
Half is 80cm.
A kind of steel and wood composite box beam, which is characterized in that flange plate is Varying Thickness Plates, and thinnest part is with a thickness of 50cm.
A kind of steel and wood composite box beam, which is characterized in that CLT bridge floor plate thickness and flange plate thickness thickness and H
Shape steel web height is identical.
The utility model has the advantages that a kind of steel and wood composite box beam of the present invention, makes full use of the mechanical property of CLT and steel,
In the case where guaranteeing bridge bending resistance, shearing resistance and stability, additionally it is possible to enhance the anti-seismic performance of bridge.Meanwhile the beam of box beam form
Bending resistance resistance to torsion is good；The invention simple structure, material source are very extensive, and have the advantages such as easy for construction, cleaning.
Detailed description of the invention:
Fig. 1 is steel and wood composite box beam perspective view of the invention；
Fig. 2 is that CLT floorings and the side CLT web of the invention anchor schematic diagram；
Fig. 3 is steel and wood composite box beam block perspective view of the invention；
Fig. 4 is deformed steel flats of the invention schematic diagram Nian Jie with elongated narrow beam；
Fig. 5 is that steel web and deformed steel flats of the invention weld schematic diagram；
Fig. 6 is the side CLT web perspective view of the invention；
Fig. 7 is CLT floorings and flange plate of the invention by H profile steel and is bolted schematic diagram；
Fig. 8 is H profile steel perspective view of the invention；
Wherein: 1, CLT floorings, 2, steel and wood composite box beam block, 21, deformed steel flats, 22, elongated narrow beam, 3, steel web, 4,
The side CLT web, 5, screw, 6, H profile steel, 7, flange plate, 8, bolt
Specific embodiment:
Below according to illustrating that the drawings and specific embodiments are described in detail the present invention.
Embodiment
Such as Fig. 1~8, a kind of steel and wood composite box beam, including including CLT floorings 1, steel and wood composite box beam block 2, steel abdomen
Plate 3, the side CLT web 4, screw 5, H profile steel 6, flange plate 7, bolt 8.
A kind of steel and wood composite box beam, CLT floorings, H profile steel and flange plate offer bolt hole, CLT floorings
Blending bolt in H profile steel slot is overlapped on respectively with flange plate to anchor；CLT floorings 1 are connect with the side CLT web 4 by screw 5,
The side CLT web 4 carries out be bonded, 1 lower part of CLT floorings and steel and wood composite case with steel and wood composite box beam block 2 by E1 grades of phenol glues
2 top of beam block is bonded by E1 grades of phenol glues, and steel web 3 is with steel and wood composite box beam block 2 by being welded together.
The steel and wood composite box beam block 2 is made of several deformed steel flats 21 and elongated narrow beam 22；The both ends of deformed steel flats 21
The edge of upper and lower staggered elongated narrow beam 22 is bonded in by E1 grades of phenol glues.
The CLT floorings 1, steel and wood composite box beam block 2, steel web 3, the side CLT web 4 constitute single-box multi-cell space case
Beam.
Wherein, a kind of steel and wood composite box beam depth-width ratio is the list formed between the side 2: 3, CLT web 4 and internal steel web 3
Case multicell space is arranged symmetrically.
The height of steel web 3 be 160cm, steel web 3 with a thickness of 12mm, and be twice of deformed steel flats 21 thickness.
2 height of steel and wood composite box beam block is the half of the height of steel web 3, is 80cm.
Flange plate is Varying Thickness Plates, and thinnest part is with a thickness of 50cm.
CLT bridge floor plate thickness and flange plate thickness thickness are identical as H profile steel web height.
Claims (6)
1. a kind of steel and wood composite box beam, which is characterized in that a kind of steel and wood composite box beam is by CLT floorings (1), steel and wood composite
Box beam block (2), steel web (3), the side CLT web (4), screw (5), H profile steel (6), flange plate (7) and bolt (8) collectively form；
The CLT floorings (1), H profile steel (6) and flange plate (7) offer bolt hole, and CLT floorings (1) and flange plate (7) are respectively
Blending bolt (8) in H profile steel (6) slot is overlapped on to anchor；The CLT floorings (1) and the side CLT web (4) are connected by screw (5)
It connects, the side CLT web (4) carries out be bonded, CLT floorings (1) lower part and steel by E1 grades of phenol glues with steel and wood composite box beam block (2)
Wooden combined box beam block (2) top is bonded by E1 grades of phenol glues, and steel web (3) and steel and wood composite box beam block (2) pass through weldering
It is connected together in succession；The steel and wood composite box beam block (2) is made of several deformed steel flats (21) and elongated narrow beam (22)；Profile iron
The both ends of plate (21) are bonded in the edge of staggered elongated narrow beam (22) up and down by E1 grades of phenol glues；The CLT floorings
(1), steel and wood composite box beam block (2), steel web (3), the side CLT web (4) constitute single-box multi-cell Spatial Box Beam.
2. a kind of steel and wood composite box beam according to claim 1, which is characterized in that a kind of steel and wood composite box beam depth-width ratio is
The single-box multi-cell space formed between the side 2: 3, CLT web (4) and internal steel web (3) is arranged symmetrically.
3. a kind of steel and wood composite box beam according to claim 1, which is characterized in that the height of steel web (3) is 160cm,
Steel web (3) with a thickness of 12mm, and be twice of deformed steel flats (21) thickness.
4. a kind of steel and wood composite box beam according to claim 1, which is characterized in that steel and wood composite box beam block (2) is highly
The half of the height of steel web (3) is 80cm.
5. a kind of steel and wood composite box beam according to claim 1, which is characterized in that flange plate (7) is Varying Thickness Plates, most thin
Place is with a thickness of 50cm.
6. a kind of steel and wood composite box beam according to claim 1, which is characterized in that CLT floorings (1) thickness and flange plate
(7) thickness thickness is identical as H profile steel (6) web height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297162.9A CN109868716A (en) | 2019-04-11 | 2019-04-11 | A kind of steel and wood composite box beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297162.9A CN109868716A (en) | 2019-04-11 | 2019-04-11 | A kind of steel and wood composite box beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109868716A true CN109868716A (en) | 2019-06-11 |
Family
ID=66922654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910297162.9A Pending CN109868716A (en) | 2019-04-11 | 2019-04-11 | A kind of steel and wood composite box beam |
Country Status (1)
| Country | Link |
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| CN (1) | CN109868716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417218A (en) * | 2021-07-29 | 2021-09-21 | 中建八局第四建设有限公司 | Prestressed concrete half-inverted T-shaped invisible bent cap steel-wood combined template and construction method |
-
2019
- 2019-04-11 CN CN201910297162.9A patent/CN109868716A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417218A (en) * | 2021-07-29 | 2021-09-21 | 中建八局第四建设有限公司 | Prestressed concrete half-inverted T-shaped invisible bent cap steel-wood combined template and construction method |
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