CN103276813B - Contact surface enhancement mode large span gummed pin beam syndeton - Google Patents
Contact surface enhancement mode large span gummed pin beam syndeton Download PDFInfo
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- CN103276813B CN103276813B CN201310177056.XA CN201310177056A CN103276813B CN 103276813 B CN103276813 B CN 103276813B CN 201310177056 A CN201310177056 A CN 201310177056A CN 103276813 B CN103276813 B CN 103276813B
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- metal connecting
- wooden frame
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Abstract
A kind of contact surface enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece (1), metal connecting piece (1) is made up of base plate and U-shaped slot, described base plate is contacted with the one side of gummed pin and to be fixed on by metal connecting piece (1) after being connected with another base plate on gummed pin another side by bolt and glues together on pin (2), in the U-shaped slot described in the insertion of end of described gummed wooden frame (3), be connected by connecting bolt between U-shaped slot and gummed wooden frame (3), it is characterized in that the GFRP reinforcement plate (5) of all cementing matching size on two sides that the end of described gummed wooden frame (3) contacts with U-shaped socket sidewalls, gummed pin is installed four faces of the node region of metal connecting piece are cementing respectively GFRP reinforcement plate (5).The present invention can improve supporting capacity, alleviates the integrated distribution of stress, changes the failure mode of connected node, is conducive to the size reducing syndeton, reduces construction costs.
Description
Technical field
The present invention relates to a kind of building structure, especially a kind of syndeton of gluing together pin beam, specifically a kind of contact surface enhancement mode large span gummed pin beam syndeton.
Background technology
At present, domestic laminated wood bolt joint, fiber reinforced composite beam (post), fiber reinforcement log Tenon node are had to certain research, but have no report for the experimental study of fiber reinforcement laminated wood bolt connection node.The domestic theoretical research for fiber reinforcement laminated wood bolt connection node has no report.Be applied in large span, large-sized modern wood structure system for fiber reinforcement laminated wood bolt connection node both at home and abroad, the research reducing the size of structural element, weight and optimal design etc. has no report.Therefore, design one effectively can reduce connection dimension, and the beam-to-column joint structure strengthening supporting capacity is very important.
Summary of the invention
The object of the invention is to improve the anisotropy of contact area timber, the integrated distribution alleviating node region stress, the fragility cleavage fracture pattern of concept transfer, raising supporting capacity, guarantee safety, saving material reduction cost.Described in specific as follows.Existing laminated wood beam column connection part is connected with laminated wood, node region stress is concentrated significantly, make first destruction of a node to occur by the laminated wood beam column frame under load action, when the supporting capacity of structural member (as beam) does not give full play to, laminated wood beam column frame supporting capacity is lost.The size of conventional syndeton is bigger than normal, and then it is bigger than normal to cause unjointed beam column dimension to be selected, and causes waste of raw materials.The present invention designs a kind of contact surface enhancement mode large span gummed pin beam syndeton, improve the anisotropy of contact area timber, alleviate the integrated distribution of node region stress, the fragility cleavage fracture pattern of concept transfer, reduce the overall dimensions of syndeton simultaneously, and then ensureing the cross sectional dimensions significantly reducing beam column under the reliable prerequisite of structural safety, reduce construction costs.
Technical scheme of the present invention 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 made up of base plate and U-shaped slot, described base plate is contacted with the one side of gummed pin 2 and to be fixed on by metal connecting piece 1 after being connected with another base plate on gummed pin another side by bolt and glues together on pin 2, in the U-shaped slot described in the insertion of end of described gummed wooden frame 3, be connected by connecting bolt between U-shaped slot and gummed wooden frame 3, it is characterized in that the GFRP reinforcement plate 5 of all cementing matching size on two sides that the end of described gummed wooden frame 3 contacts with U-shaped socket sidewalls, gummed pin is installed four faces of the node region of metal connecting piece are cementing respectively GFRP reinforcement plate 5.
Described GFRP reinforcement plate or the thickness of CFRP reinforcement plate 5 are 1.2-2.8mm, by two to four layers of 800g/m
2-1200g/m
2four-axial glass fiber is formed by laminated being solidified into of vinylite, planar isotropism.
Described gummed wooden frame 3 end for install connecting bolt through hole in glued joint and have GFRP reinforced pipe 6; Gummed pin is installed and cementingly in the hole of the connecting bolt of the node region of metal connecting piece has 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
2-1200g/m
2four-axial glass fiber is formed by laminated being solidified into of vinylite, isotropism vertically.
Beneficial effect of the present invention:
The present invention can improve the anisotropy of contact area timber, slow down the integrated distribution of stress;
1. the cleavage fracture of the failure mode-timber of the brittle fracture of connected node is changed over the bearing failure of ductile failure mode-keyhole by the present invention;
2. the present invention is conducive to the supporting capacity improving laminated wood bolt connection node;
3. the present invention can reduce the size of the end distance of connected node, middle distance and connector;
4. the present invention can reduce sectional dimension and the deadweight of supporting member;
5. the present invention can embody the aseismatic design concept (or requirement) of strong shear capacity and weak bending capacity, the strong strong anchoring of node;
6. the present invention can reduce cost and construction cost (large scale glue laminated wood member market price 20000 yuan/m
3).
7. the present invention provides reliable connection, for structural safety is reliably laid a good foundation for the large load transmission across qlue timber structurer.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.
Accompanying drawing explanation
Fig. 1 is post beam (back timber) the syndeton schematic diagram adopting U-shaped connector.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is that the laminated wood beam end the best matched with Fig. 1 strengthens one of syndeton schematic diagram.
Fig. 4 is that the laminated wood beam end the best matched with Fig. 1 strengthens syndeton schematic diagram two.
Fig. 5 is the application schematic diagram of syndeton in the T-shaped structure of intermediate layer of the embodiment of the present invention.
Fig. 6 is the application schematic diagram in the syndeton decussate texture of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment one.
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 made up of base plate and U-shaped slot, as Fig. 4, shown in 5, described base plate is contacted with the one side of gummed pin 2 and to be fixed on by metal connecting piece 1 after being connected with another base plate on gummed pin another side by bolt and glues together on pin 2, in the U-shaped slot described in the insertion of end of described gummed wooden frame 3, be connected by connecting bolt between U-shaped slot and gummed wooden frame 3, the GFRP reinforcement plate 5 (also can adopt CFRP reinforcement plate to replace GFRP plate when specifically implementing) of all cementing matching size on two sides that the end of described gummed wooden frame 3 contacts with U-shaped socket sidewalls, as shown in Figure 3.Gummed pin is installed four faces of the node region of metal connecting piece 1 are cementing respectively GFRP reinforcement plate 5.The thickness of GFRP reinforcement plate 5 is 1.2-2.8mm, can by two to four layers of 800g/m
2-1200g/m
2four-axial glass fiber is formed by laminated being solidified into of vinylite, planar isotropism, and through actual measurement, its modulus of elasticity is 8730MPa.Test specimen is integral one-step molding at atmosheric pressure, ensures to bond without delamination completely 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 the T-shaped post girder construction shown in Fig. 5 and the cross section column girder construction shown in Fig. 6.
Embodiment two.
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 made up of base plate and U-shaped slot, as Fig. 4, shown in 5, described base plate is contacted with the one side of gummed pin 2 and to be fixed on by metal connecting piece 1 after being connected with another base plate on gummed pin another side by bolt and glues together on pin 2, in the U-shaped slot described in the insertion of end of described gummed wooden frame 3, be connected by connecting bolt between U-shaped slot and gummed wooden frame 3, the GFRP reinforcement plate 5 (also can adopt CFRP reinforcement plate to replace GFRP reinforcement plate when specifically implementing) of all cementing matching size on two sides that the end of described gummed wooden frame 3 contacts with U-shaped socket sidewalls, as shown in Figure 4.Gummed pin is installed four faces of the node region of metal connecting piece are cementing respectively GFRP reinforcement plate 5.In order to promote the bulk strength of syndeton, concrete when implementing also can glue together wooden frame 3 end for install connecting bolt through hole in glued joint and have GFRP reinforced pipe 6(specifically to implement time also can replace GFRP reinforced pipe with CFRP reinforced pipe).Gummed pin is installed and cementingly in the hole of the connecting bolt of the node region of metal connecting piece 1 has 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
2four-axial glass fiber is formed by laminated being solidified into of vinylite, planar isotropism, and through actual measurement, its modulus of elasticity is 8730MPa.Test specimen is integral one-step molding at atmosheric pressure, ensures to bond without delamination completely 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 the T-shaped post girder construction shown in Fig. 5 and the cross section column girder construction shown in Fig. 6.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (3)
1. a contact surface enhancement mode large span gummed pin beam syndeton, it comprises metal connecting piece (1), metal connecting piece (1) is made up of base plate and U-shaped slot, described base plate is contacted with the one side of gummed pin and to be fixed on by metal connecting piece (1) after being connected with another base plate on gummed pin another side by bolt and glues together on pin (2), in the U-shaped slot described in the insertion of end of gummed wooden frame (3), be connected by connecting bolt between U-shaped slot and gummed wooden frame (3), it is characterized in that the GFRP reinforcement plate (5) of all cementing matching size on two sides that the end of described gummed wooden frame (3) contacts with U-shaped socket sidewalls, gummed pin is installed four faces of the node region of metal connecting piece are cementing respectively 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
2-1200g/m
2four-axial glass fiber is formed by laminated being solidified into of vinylite, planar isotropism.
2. contact surface enhancement mode large span according to claim 1 gummed pin beam syndeton, it is characterized in that described gummed wooden frame (3) end for install connecting bolt through hole in glued joint and have GFRP reinforced pipe (6); Gummed pin is installed and cementingly in the hole of the connecting bolt of the node region of metal connecting piece has GFRP reinforced pipe (6).
3. contact surface enhancement mode large span gummed pin beam syndeton according to claim 2, is characterized in that described GFRP reinforced pipe (6) thickness is 1.2-2.8mm, by two to four layers of 800g/m
2-1200g/m
2four-axial glass fiber is formed by laminated being solidified into of vinylite, isotropism vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310177056.XA CN103276813B (en) | 2013-05-14 | 2013-05-14 | Contact surface enhancement mode large span gummed pin beam syndeton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310177056.XA CN103276813B (en) | 2013-05-14 | 2013-05-14 | Contact surface enhancement mode large span gummed pin beam syndeton |
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| Publication Number | Publication Date |
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| CN103276813A CN103276813A (en) | 2013-09-04 |
| CN103276813B true CN103276813B (en) | 2016-04-27 |
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| CN201310177056.XA Expired - Fee Related CN103276813B (en) | 2013-05-14 | 2013-05-14 | Contact surface enhancement mode large span gummed pin beam syndeton |
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| CN107386464A (en) * | 2017-09-15 | 2017-11-24 | 广东工业大学 | A kind of wooden frame steel column node strengthens attachment structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107460A (en) * | 1999-10-05 | 2001-04-17 | Kazuto Osu | Metal fitting for construction |
| CN201443141U (en) * | 2008-12-29 | 2010-04-28 | 南京林业大学 | Energy-dissipating and shock-absorbing node of wood bamboo framework structure |
| CN102561168A (en) * | 2011-12-27 | 2012-07-11 | 东南大学 | Bamboo plywood beam structure |
| CN203307953U (en) * | 2013-05-16 | 2013-11-27 | 曹崟 | Polymer composite material for building sound insulation |
-
2013
- 2013-05-14 CN CN201310177056.XA patent/CN103276813B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107460A (en) * | 1999-10-05 | 2001-04-17 | Kazuto Osu | Metal fitting for construction |
| CN201443141U (en) * | 2008-12-29 | 2010-04-28 | 南京林业大学 | Energy-dissipating and shock-absorbing node of wood bamboo framework structure |
| CN102561168A (en) * | 2011-12-27 | 2012-07-11 | 东南大学 | Bamboo plywood beam structure |
| CN203307953U (en) * | 2013-05-16 | 2013-11-27 | 曹崟 | Polymer composite material for building sound insulation |
Non-Patent Citations (2)
| Title |
|---|
| FRP加固木结构的研究和应用现状;庄荣忠，杨勇新;《四川建筑科学研究》;20081031;第34卷(第5期);正文第1页第1章，正文第2页，图1-3 * |
| FRP在工程结构中的应用与发展;叶列平，冯鹏;《土木工程学报》;20060331;第39卷(第3期);正文第2页第1.1节，表1-2 * |
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| CN103276813A (en) | 2013-09-04 |
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Inventor after: Lei Ying Inventor after: Liu Weiqing Inventor after: Xu Deliang Inventor after: Zhou Ding Inventor after: Lu Weidong Inventor after: Yue Kong Inventor after: Ma Guijin Inventor before: Lei Ying Inventor before: Liu Weiqing Inventor before: Xu Deliang Inventor before: Zhou Ding Inventor before: Lu Weidong Inventor before: Yue Kong Inventor before: Ma Guijin |
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