CN203307934U - Screw hole enhanced type connecting structure for large-span laminated wood columns and beams - Google Patents
Screw hole enhanced type connecting structure for large-span laminated wood columns and beams Download PDFInfo
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- CN203307934U CN203307934U CN2013202605419U CN201320260541U CN203307934U CN 203307934 U CN203307934 U CN 203307934U CN 2013202605419 U CN2013202605419 U CN 2013202605419U CN 201320260541 U CN201320260541 U CN 201320260541U CN 203307934 U CN203307934 U CN 203307934U
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- gummed
- laminated wood
- gfrp
- pin
- connecting piece
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- 239000002023 wood Substances 0.000 title abstract description 24
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims abstract description 29
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 17
- 229920006387 Vinylite Polymers 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 4
- 238000003780 insertion Methods 0.000 abstract 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 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
- 230000003014 reinforcing effect Effects 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 screw hole enhanced type connecting structure for large-span laminated wood columns and beams comprises a metal connecting piece (1). The metal connecting piece (1) is composed of a base plate and an insertion block, the base plate makes contact with one face of a laminated wood column (2) and is connected with a base plate on the other side face of the laminated wood column (2) through bolts so that the metal connecting piece (1) can be fixed to the laminated wood column (2), the insertion block is inserted into an insertion groove (4) in the end portion of a laminated wood beam (3), and the insertion block is connected with the laminated wood beam (3) through connecting bolts. The screw hole enhanced type connecting structure is characterized in that GFRP tubes (6) are in glue joint into through holes in the end portion of the laminated wood beam (3), wherein connecting bolts can be arranged in the through holes in a penetrating mode; GFRP tubes (6) are in glue joint into bolt holes in a node area, connected with the laminated wood beam, of the laminated wood column (2). The screw hole enhanced type connecting structure can improve carrying capacity, lighten concentrated distribution of stress and avoid damage to connecting nodes, and the size of the connecting structure and construction costs can be reduced beneficially.
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 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 screw 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 screw enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece 1, metal connecting piece 1 is comprised of base plate and inserted block, thereby described base plate contacts with the one side of gummed pin 2 and be connected metal connecting piece 1 is fixed on and glues together on pin 2 by the base plate on the another side of bolt and gummed pin 2, described inserted block inserts in the slot 4 of gummed wooden frame 3 ends, between inserted block and gummed wooden frame 3, be connected by connecting bolt, it is characterized in that there is GFRP reinforced pipe 6 described gummed wooden frame 3 ends for the through hole splicing that installs connecting bolt; On gummed pin 2, installing cementingly in the bolt hole of node region of metal connecting piece 1 has a GFRP reinforced pipe 6.
Two two face gluings relative with inserted block of described slot 4 have GFRP reinforcement plate 5.
Described gummed wooden frame 3 is connected to the contacted surface sizing in connecting bolt two ends the GFRP reinforcement plate 5 matched with described slot 4 length.On the gummed pin, install that four faces of node region of metal connecting piece are cementing a GFRP reinforcement plate 5.
The thickness that described GFRP strengthens gusset 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 GFRP reinforced pipe 6 thickness are 1.2-2.8mm, by two to four layers of 800g/m
2-1200 g/m2 four-axial glass fiber form 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;
2. 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;
3. the utility model is conducive to improve the supporting capacity of laminated wood bolt connection node;
4. the utility model can reduce the end distance of connected node, middle distance is the size of connector;
5. the utility model can reduce sectional dimension and the deadweight of supporting member;
6. 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;
7. the utility model can reduce cost and construction cost (20000 yuan/m of large scale glue laminated wood member market price
3).
8. 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 T-connecting piece.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is that the laminated wood beam end matched with Fig. 1 strengthens one of syndeton schematic diagram.
Fig. 4 is that the laminated wood beam end matched with Fig. 1 strengthens two of syndeton schematic diagram.
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 screw enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece 1, metal connecting piece 1 forms the T character form structure by base plate and inserted block, as Fig. 1, shown in 2, thereby described base plate contacts with the one side of gummed pin 1 and be connected metal connecting piece 1 is fixed on and glues together on pin 2 by the base plate on the another side of bolt and gummed pin 2, described inserted block inserts in the slot 4 of gummed wooden frame 3 ends, between inserted block and gummed wooden frame 3, be connected by connecting bolt, in gummed wooden frame 3 ends, also glued joint GFRP reinforced pipe 6 is arranged for the through hole that installs connecting bolt, as shown in Figure 3, during concrete enforcement, also should on gummed pin 2, install cementingly in the bolt hole of node region of metal connecting piece 1 has a GFRP reinforced pipe 6.Test specimen is integral one-step molding under atmospheric pressure, guarantees to bond fully without delamination between panel and core, and the thickness of described GFRP reinforced pipe 6 can be 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.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.
Embodiment bis-.
As shown in Fig. 1,2,4.
A kind of screw enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece 1, metal connecting piece 1 forms the T character form structure by base plate and inserted block, as Fig. 1, shown in 2, thereby base plate contacts with the one side of gummed pin 2 and be connected metal connecting piece 1 is fixed on and glues together on pin 2 by the base plate on the another side of bolt and gummed pin 2, described inserted block inserts in the slot 4 of gummed wooden frame 3 ends, between inserted block and gummed wooden frame 3, be connected by connecting bolt, in gummed wooden frame 3 ends, glued joint GFRP reinforced pipe 6 (also can replace the GFRP reinforced pipe with the CFRP reinforced pipe while specifically implementing) is arranged for the through hole that installs connecting bolt, simultaneously when having GFRP reinforcement plate 5(and specifically implement, two of the described slot 4 two sides gluings relative with inserted block also can replace the GFRP reinforcement plate with the CFRP reinforcement plate), in order to improve bulk strength, during concrete enforcement, preferably at gummed wooden frame 3, be connected to the contacted surface sizing in connecting bolt two ends the GFRP reinforcement plate 5 matched with described slot 4 length, as shown in Figure 3.On the gummed pin, installing in the hole of the two or four correlation surface of node region of metal connecting piece 1 and connecting bolt cementingly respectively has GFRP reinforcement plate 5 and a GFRP reinforced pipe 6.The thickness of GFRP reinforcement plate 5 can be 1.2-2.8mm, can be by two to four layers of 800g/m
21200g/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 fully without delamination between panel and core, and described GFRP reinforced pipe 6(thickness can be 1.2-2.8mm) manufacture method 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 (5)
1. a screw 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 inserted block, described base plate with the one side of gummed pin (2), contact and by bolt with gummed pin (2) thus another side on base plate be connected metal connecting piece (1) be fixed on and glue together on pin (2), described inserted block inserts in the slot (4) of gummed wooden frame (3) end, between inserted block and gummed wooden frame (3), be connected by connecting bolt, it 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, gummed pin (2) is upper to be installed cementingly in the bolt hole of node region of metal connecting piece (1) has a GFRP reinforced pipe (6).
2. screw enhancement mode large span gummed pin beam syndeton according to claim 1, is characterized in that two two face gluings relative with inserted block of described slot (4) have GFRP reinforcement plate (5).
3. screw enhancement mode large span gummed pin beam syndeton according to claim 1, is characterized in that described gummed wooden frame (3) and the contacted surface sizing in connecting bolt two ends are connected to the GFRP reinforcement plate (5) matched with described slot (4) length; On the gummed pin, install that four faces of node region of metal connecting piece are cementing a GFRP reinforcement plate (5).
4. according to the described screw enhancement mode of claim 2 or 3 large span gummed pin beam syndeton, it is characterized in that the thickness of described GFRP enhancing gusset (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.
5. screw enhancement mode large span gummed pin beam syndeton according to claim 1, is characterized in that described GFRP reinforced pipe (6) thickness 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, vertically isotropism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202605419U CN203307934U (en) | 2013-05-14 | 2013-05-14 | Screw hole enhanced type connecting structure for large-span laminated wood columns and beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202605419U CN203307934U (en) | 2013-05-14 | 2013-05-14 | Screw hole enhanced type connecting structure for large-span laminated wood columns and beams |
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| Publication Number | Publication Date |
|---|---|
| CN203307934U true CN203307934U (en) | 2013-11-27 |
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|---|---|---|---|
| CN2013202605419U Expired - Fee Related CN203307934U (en) | 2013-05-14 | 2013-05-14 | Screw hole enhanced type connecting structure for large-span laminated wood columns and beams |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276811A (en) * | 2013-05-14 | 2013-09-04 | 南京工业大学 | Screw hole enhanced type large-span glued wooden post and beam connecting structure |
| CN106245837A (en) * | 2016-09-06 | 2016-12-21 | 南京工业大学 | A kind of assembled GFRP drawing and extruding section bar core wood composite floor slab structural system |
| CN112627336A (en) * | 2020-12-11 | 2021-04-09 | 天津大学 | Detachable conical head bolt steel structure module building unit connection node |
-
2013
- 2013-05-14 CN CN2013202605419U patent/CN203307934U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276811A (en) * | 2013-05-14 | 2013-09-04 | 南京工业大学 | Screw hole enhanced type large-span glued wooden post and beam connecting structure |
| CN103276811B (en) * | 2013-05-14 | 2016-02-24 | 南京工业大学 | Screw enhancement mode large span gummed pin beam syndeton |
| CN106245837A (en) * | 2016-09-06 | 2016-12-21 | 南京工业大学 | A kind of assembled GFRP drawing and extruding section bar core wood composite floor slab structural system |
| CN112627336A (en) * | 2020-12-11 | 2021-04-09 | 天津大学 | Detachable conical head bolt steel structure module building unit connection node |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |