CN203307935U - Contact surface enhanced type large-span glued wood column beam connecting structure - Google Patents
Contact surface enhanced type large-span glued wood column beam connecting structure Download PDFInfo
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- CN203307935U CN203307935U CN2013202605974U CN201320260597U CN203307935U CN 203307935 U CN203307935 U CN 203307935U CN 2013202605974 U CN2013202605974 U CN 2013202605974U CN 201320260597 U CN201320260597 U CN 201320260597U CN 203307935 U CN203307935 U CN 203307935U
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- Prior art keywords
- gummed
- connecting piece
- pin
- gfrp
- metal connecting
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- 239000002023 wood Substances 0.000 title abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims description 25
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 20
- 229920006387 Vinylite Polymers 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000011152 fibreglass Substances 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
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- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A contact surface enhanced type large-span glued wood column beam connecting structure comprises a metal connecting piece (1), wherein the metal connecting piece (1) consists of a bottom plate and a U-shaped slot, the bottom plate is in contact with one side of a glued wood column and is connected with the other bottom plate on the other side surface of the glued wood column through a bolt, then the metal connecting piece (1) is fixed on the glued wood column (2), the end part of the glued wood beam (3) is inserted into the U-shaped slot, and the U-shaped slot is connected with the glued wood beam (3) through a connecting bolt, and the contact surface enhanced type large-span glued wood column beam connecting structure is characterized in that GFRP (glass fiber reinforced plastics) reinforcing plates (5) with matched sizes are glued on two side surfaces of the glued wood beam (3) which are in contact with; GFRP reinforced plates (5) are respectively cemented on four surfaces of a node area of the glued wooden column where the metal connecting piece is installed. The utility model discloses can improve bearing capacity, alleviate the concentrated distribution of stress, change connected node's failure mode, be favorable to reducing connection structure's size, reduce engineering cost.
Description
Technical field
The utility model relates to a kind of building structure, especially a kind of syndeton of gluing together the pin beam, specifically a kind of contact surface enhancement mode large span gummed pin beam syndeton.
Background technology
At present, domestic to laminated wood bolt joint, fiber reinforced composite beam (post), the existing certain research of fiber reinforcement log Tenon node, but have no report for the experimental study of fiber reinforcement laminated wood bolt connection node.Domestic theoretical research for fiber reinforcement laminated wood bolt connection node has no report.For fiber reinforcement laminated wood bolt connection node, be applied in large span, large-sized modern wood structure system both at home and abroad, the research that reduces size, weight and the optimal design etc. of structural element has no report.Therefore, design and a kind ofly can effectively reduce connection dimension, the beam column syndeton that strengthens supporting capacity is very important.
Summary of the invention
The purpose of this utility model is concentrated distribution, the fragility cleavage fracture pattern of change node, raising supporting capacity, assurance safety, the saving material reduction cost of improving the anisotropy of contact area timber, alleviating node region stress.Specific as follows described.Existing laminated wood beam column connection part is connected with laminated wood, node region stress is concentrated significantly, make the laminated wood beam column frame be subjected under load action that at first destruction of a node occur, laminated wood beam column frame supporting capacity is not lost when the supporting capacity of structural member (as beam) is given full play to.The size of conventional syndeton is bigger than normal, and then it is bigger than normal to cause the unjointed beam column dimension to be selected, and causes waste of raw materials.A kind of contact surface enhancement mode large span gummed of the utility model design pin beam syndeton, improve the fragility cleavage fracture pattern of the anisotropy of contact area timber, the concentrated distribution that alleviates node region stress, change node, reduce simultaneously the overall dimensions of syndeton, and then, at the cross sectional dimensions that guarantees significantly to reduce under the reliable prerequisite of structural safety beam column, reduce construction costs.
The technical solution of the utility model is:
A kind of contact surface enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece 1, metal connecting piece 1 is comprised of base plate and U-shaped slot, described base plate with the one side of gummed pin 2, contact and by bolt with metal connecting piece 1 is fixed on and glues together on pin 2 after gummed another base plate on the pin another side is connected, insert in described U-shaped slot the end of gummed wooden frame 3, between U-shaped slot and gummed wooden frame 3, be connected by connecting bolt, it is characterized in that on the end of described gummed wooden frame 3 and contacted two sides of U-shaped socket sidewalls the GFRP reinforcement plate 5 that equal cementing sizes matches, on the gummed pin, install that four faces of node region of metal connecting piece are cementing respectively a GFRP reinforcement plate 5.
The thickness of described GFRP reinforcement plate 5 is 1.2-2.8mm, by two to four layers of 800g/m
2-1200 g/m
2The four-axial glass fiber forms by laminated the solidifying of vinylite, planar isotropism.
Described gummed wooden frame 3 ends are gluedd joint GFRP reinforced pipe 6 are arranged for the through hole that installs connecting bolt; On the gummed pin, installing cementingly in the hole of connecting bolt of node region of metal connecting piece has a GFRP reinforced pipe 6.
It is 1.2-2.8mm that described GFRP strengthens muscle pipe 6 thickness, by two to four layers of 800g/m
2-1200 g/m
2The four-axial glass fiber forms by laminated the solidifying of vinylite, vertically isotropism.
The beneficial effects of the utility model:
The utility model can improve contact area timber anisotropy, slow down the concentrated distribution of stress;
1. the utility model changes over the cleavage fracture of the failure mode-timber of the brittle fracture of connected node the bearing failure of ductile failure mode-keyhole;
2. the utility model is conducive to improve the supporting capacity of laminated wood bolt connection node;
3. the utility model can reduce the end distance of connected node, middle distance is the size of connector;
4. the utility model can reduce sectional dimension and the deadweight of supporting member;
5. the utility model can embody the aseismatic design concept (or requirement) of strong shear capacity and weak bending capacity, the strong strong anchoring of node;
6. the utility model can reduce cost and construction cost (20000 yuan/m of large scale glue laminated wood member market price
3).
7. the utility model provides reliable connection for large Load Transfer across qlue timber structurer, for structural safety is reliably laid a good foundation.It not only can be used for enhancing and the reinforcing of traditional old wooden construction, also can be used for the lifting of the structural performance of wood structures.
The accompanying drawing explanation
Fig. 1 is post beam (back timber) the syndeton schematic diagram that adopts the U-shaped connector.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is best one of the syndeton schematic diagram that strengthens of laminated wood beam end matched with Fig. 1.
Fig. 4 is best two of the syndeton schematic diagram that strengthens of laminated wood beam end matched with Fig. 1.
Fig. 5 is the application schematic diagram of syndeton in the T shape structure of intermediate layer of the utility model embodiment.
Fig. 6 is the application schematic diagram in the syndeton decussate texture of the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment mono-.
As Figure 1-3.
A kind of contact surface enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece 1, metal connecting piece 1 is comprised of base plate and U-shaped slot, as Fig. 4, shown in 5, described base plate with the one side of gummed pin 2, contact and by bolt with metal connecting piece 1 is fixed on and glues together on pin 2 after gummed another base plate on the pin another side is connected, insert in described U-shaped slot the end of described gummed wooden frame 3, between U-shaped slot and gummed wooden frame 3, be connected by connecting bolt, equal GFRP reinforcement plate 5 (also can adopt the CFRP reinforcement plate to replace the GFRP plate while specifically implementing) of matching of cementing size on contacted two sides of the end of described gummed wooden frame 3 and U-shaped socket sidewalls, as shown in Figure 3.On the gummed pin, install that four faces of node region of metal connecting piece 1 are cementing respectively a GFRP reinforcement plate 5.The thickness of GFRP reinforcement plate 5 is 1.2-2.8mm, can be by two to four layers of 800g/m
2-1200 g/m
2The four-axial glass fiber forms by laminated solidify of vinylite, isotropism planar, and through actual measurement, its modulus of elasticity is 8730MPa.Test specimen is integral one-step molding under atmospheric pressure, guarantees to bond without delamination fully between panel and core.
Fig. 1 is the application of enhancing structure on back timber of the present embodiment, and the enhancing structure of the present embodiment also can be used for T font post girder construction shown in Figure 5 and cross section column girder construction shown in Figure 6.
Embodiment bis-.
As shown in Fig. 1,2,4.
A kind of enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece 1, metal connecting piece 1 is comprised of base plate and U-shaped slot, as Fig. 4, shown in 5, described base plate with the one side of gummed pin 2, contact and by bolt with metal connecting piece 1 is fixed on and glues together on pin 2 after gummed another base plate on the pin another side is connected, insert in described U-shaped slot the end of described gummed wooden frame 3, between U-shaped slot and gummed wooden frame 3, be connected by connecting bolt, equal GFRP reinforcement plate 5 (also can adopt the CFRP reinforcement plate to replace the GFRP reinforcement plate while specifically implementing) of matching of cementing size on contacted two sides of the end of described gummed wooden frame 3 and U-shaped socket sidewalls, as shown in Figure 4.On the gummed pin, install that four faces of node region of metal connecting piece are cementing respectively a GFRP reinforcement plate 5.In order to promote the bulk strength of syndeton, also can replace the GFRP reinforced pipe with the CFRP reinforced pipe in the time of while specifically implementing, also can for the through hole splicing that installs connecting bolt, having GFRP reinforced pipe 6(specifically to implement in gummed wooden frame 3 ends).On the gummed pin, installing cementingly in the hole of connecting bolt of node region of metal connecting piece 1 has a GFRP reinforced pipe 6.The thickness of GFRP reinforcement plate 5 is 1.2-2.8mm, by two layers to four layers 800g/m
2-1200g/m
2The four-axial glass fiber forms by laminated solidify of vinylite, isotropism planar, and through actual measurement, its modulus of elasticity is 8730MPa.Test specimen is integral one-step molding under atmospheric pressure, guarantees to bond without delamination fully between panel and core.Described GFRP reinforced pipe 6(thickness can be 1.2-2.8mm) manufacture method, size and material identical with GFRP reinforcement plate 5, difference is shape.
Fig. 1 is the application of enhancing structure on back timber of the present embodiment, and the enhancing structure of the present embodiment also can be used for T font post girder construction shown in Figure 5 and cross section column girder construction shown in Figure 6.
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Claims (4)
1. a contact surface enhancement mode large span is glued together pin beam syndeton, it comprises metal connecting piece (1), metal connecting piece (1) is comprised of base plate and U-shaped slot, described base plate with the one side of gummed pin, contact and by bolt with metal connecting piece (1) is fixed on and glues together on pin (2) after gummed another base plate on the pin another side is connected, insert in described U-shaped slot the end of gummed wooden frame (3), between U-shaped slot and gummed wooden frame (3), be connected by connecting bolt, it is characterized in that on the end of described gummed wooden frame (3) and contacted two sides of U-shaped socket sidewalls the GFRP reinforcement plate (5) that equal cementing sizes matches, on the gummed pin, install that four faces of node region of metal connecting piece are cementing respectively a GFRP reinforcement plate (5).
2. contact surface enhancement mode large span according to claim 1 is glued together pin beam syndeton, and the thickness that it is characterized in that described GFRP reinforcement plate (5) is 1.2-2.8mm, by two to four layers of 800g/m
2-1200 g/m
2The four-axial glass fiber forms by laminated the solidifying of vinylite, planar isotropism.
3. contact surface enhancement mode large span gummed pin beam syndeton according to claim 1, is characterized in that there is GFRP reinforced pipe (6) described gummed wooden frame (3) end for the through hole splicing that installs connecting bolt; On the gummed pin, installing cementingly in the hole of connecting bolt of node region of metal connecting piece has a GFRP reinforced pipe (6).
4. contact surface enhancement mode large span gummed pin beam syndeton according to claim 1, is characterized in that it is 1.2-2.8mm that described GFRP strengthens muscle pipe (6) thickness, by two to four layers of 800g/m
2-1200 g/m
2The four-axial glass fiber forms by laminated the solidifying of vinylite, vertically isotropism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202605974U CN203307935U (en) | 2013-05-14 | 2013-05-14 | Contact surface enhanced type large-span glued wood column beam connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202605974U CN203307935U (en) | 2013-05-14 | 2013-05-14 | Contact surface enhanced type large-span glued wood column beam connecting structure |
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| CN203307935U true CN203307935U (en) | 2013-11-27 |
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| CN2013202605974U Expired - Lifetime CN203307935U (en) | 2013-05-14 | 2013-05-14 | Contact surface enhanced type large-span glued wood column beam connecting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499579A (en) * | 2014-12-26 | 2015-04-08 | 南京工业大学 | Inserting plate type cross grain enhanced wood structure mortise and tenon joint |
-
2013
- 2013-05-14 CN CN2013202605974U patent/CN203307935U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499579A (en) * | 2014-12-26 | 2015-04-08 | 南京工业大学 | Inserting plate type cross grain enhanced wood structure mortise and tenon joint |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20160427 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |