CN107620403A - The high-strength wooden shear wall of rubber attachment structure - Google Patents
The high-strength wooden shear wall of rubber attachment structure Download PDFInfo
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- CN107620403A CN107620403A CN201710860087.3A CN201710860087A CN107620403A CN 107620403 A CN107620403 A CN 107620403A CN 201710860087 A CN201710860087 A CN 201710860087A CN 107620403 A CN107620403 A CN 107620403A
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- rubber
- rubber strip
- rough ground
- steel
- shear wall
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Abstract
The high-strength wooden shear wall of a kind of rubber attachment structure, it is characterized in that it is mainly by cladding boards（2）, rubber strip（1）And rough ground（3）Composition, rubber strip（1）Shape and rough ground（3）Match, rubber strip（1）In be clamped with steel corrugated sheet or steel-tooth plate（4）, rubber strip（1）Two sides respectively with cladding boards（2）And rough ground（3）It is gluing to be connected, steel-tooth plate（4）On steel-tooth be engaged respectively with cladding boards and rough ground through rubber strip, cladding boards（2）With rough ground（3）Realize that high intensity is integrally attached to by the double action of rubber strip and steel-tooth plate.The present invention is advantageous to the industrialization assembling production of wallboard, meets industrialized requirement；Compared with tradition follows closely connection, the area of new connection is big, avoids the stress concentration of tradition nail connection;Compared with using rubber connection, avoid the defects of rubber connection initial stiffness is low;Improve rigidity, bearing capacity and the vibration isolation capability of wall.
Description
Technical field
The present invention relates to a kind of timber structural techniques, especially a kind of timber structure wallboard mounting technique is specifically a kind of
Suitable for factory, the high-strength wooden shear wall for the rubber attachment structure that can quickly assemble.
Background technology
Timber structure wallboard all has significant superiority, and renewable and lasting hair in insulation, energy-saving and environmental protection etc.
Exhibition, obtains more and more extensive application.Current domestic timber structure wallboard be usually scene by follow closely connection rough ground and rough ground,
Cladding boards and rough ground, refill insulation material, are covered with other dalles and form wallboard.
The problem of wooden shear wall maximum is that fire protecting performance is poor, if using fire-proof plate (plasterboard, calcium silicate board etc.) as
Connected during panel using common nails, because common fire-proof plate nail-holding ability is poor, this results in the coupling stiffness of fire-proof plate and rough ground
It is not high with intensity, it is fragile；When by external action, wall stiffness and bearing capacity are relatively low, significantly limit fire prevention wood and cut
The application of power wall.
The content of the invention
The purpose of the present invention is the problem of being directed to existing wooden shear wall fire protecting performance difference, designs an a kind of face fire-proof plate,
One face structural slab, fire-proof plate are connected with rough ground using rubber is combined, fire-proof plate and the equicohesive wooden shear wall of structural slab.
The technical scheme is that：
The high-strength wooden shear wall of a kind of rubber attachment structure, it is characterized in that it is mainly by fire prevention cladding boards 2, rubber strip 1, wood
Keel 3 and structural slab 4 form, and shape and the rough ground 3 of rubber strip 1 match, the two sides of rubber strip 1 respectively with cladding boards of preventing fires
2 and rough ground 3 one side it is gluing be connected, the another side of rough ground 3 is connected by connected nail 5 with structural slab 4.
The steel corrugated sheet or steel-tooth plate 6 for increasing initial stiffness and bonding strength, institute are clamped with described rubber strip 1
The tooth on steel-tooth plate 6 stated is the combination of straight-tooth, helical teeth or both, and fire prevention cladding boards 2 pass through rubber strip and steel-tooth with rough ground 3
The double action of plate realizes that high intensity is integrally attached to.
When tooth on described steel-tooth plate 6 is helical teeth, the angle of it and timber rift grain is between 30-60 degree；Steel-tooth plate 6
Thickness is 1~1.5mm.
The angle of helical teeth and timber rift grain on described steel-tooth plate 6 is 45 degree.
The two sides of described rubber strip 1 is imperial with fire prevention cladding boards 2 and wood respectively by interfacial agents and epoxy resin structural adhesive
Bone 3 is gluing to be connected
Described fire prevention cladding boards 2 are plasterboard or calcium silicate board；Described structural slab is OSB plates or glued board.
Described rough ground 3 is SPF imports dimension stock, domestic fast growing wood dimension stock or LVL keel.
The thickness t of rubber strip described in described rubber strip 1 is 3mm -10mm.
The rubber hardness of described rubber strip 1 is preferably 50-90, the preferably 0.50-2.00g/cm of density3, tensile elongation
Preferably 100-200%, it is 2.0MPa that tensile strength, which is preferably greater than,.
The rubber hardness of described rubber strip 1 is 70, density 1.70g/cm3, tensile elongation 150%, tension is strong
Spend for 3.0MPa.
Beneficial effects of the present invention：
Present invention improves the performance of wooden shear wall so that wooden shear wall not only have it is in light weight, intensity is high, be easy to industry
The advantages of metaplasia is produced, and there is fire protecting performance, improve its application.
The high intensity that the present invention realizes fireproof panel and rough ground by the double action of rubber strip and steel-tooth plate connects,
The shortcomings that overcoming coupling stiffness and low intensity.
The rough ground of the present invention and the connected mode of fire prevention cladding boards, wall is improved while meeting building industrialization requirement
The mechanical property of plate.Compared with the timber structure wallboard of single use nail connection, it, which consumes energy, improves 80%, and shear resistance improves
200%, rigidity improves 70%, bearing power increase 50%.
Brief description of the drawings
Fig. 1 is the dimensional decomposition structure diagram of the wooden shear wall of the present invention.
Fig. 2 is the structural representation of the steel-tooth plate of the present invention.
Fig. 3 is that OSB cladding boards are tested with three kinds of connecting nodes of Poplar LVL keel (spiral nail, rubber, spiral nail and rubber)
As a result.
Fig. 4 is poplar plywood cladding boards and four kinds of rubber connecting node result of the tests of Poplar LVL keel.
Fig. 5 is that poplar plywood cladding boards are strengthened with Poplar LVL keel using spiral nail, four kinds of rubber connecting node examinations
Test result.
Fig. 6 is calcium silicate board cladding boards and four kinds of rubber of Poplar LVL keel, while using the connection of tapping screw enhancing
Joints result.
Fig. 7 is that OSB panels and Poplar LVL keel three kinds of connecting nodes (spiral nail, rubber, spiral nail and rubber) limit is held
Carry power result of the test.
Fig. 8 is poplar gluing panel and Poplar LVL keel three kinds of different connecting node (spiral nail, rubber, spiral nail and rubbers
Glue) Ultimate Strength Test result.
Fig. 9 is calcium silicate board panel and Poplar LVL keel two kinds of different connecting node (tapping screw, tapping screw and rubbers
Glue) Ultimate Strength Test result.
Figure 10 is different wall experimentation results.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As Figure 1-10 shows.
A kind of high-strength wooden shear wall of rubber attachment structure, it is mainly by fire prevention cladding boards 2, rubber strip 1, the and of rough ground 3
Structural slab 4 forms, and shape and the rough ground 3 of rubber strip 1 match, and the two sides of rubber strip 1 is imperial with fire prevention cladding boards 2 and wood respectively
The one side of bone 3 is gluing to be connected, and the another side of rough ground 3 is connected by connected nail (usually using spiral nail 5) with structural slab 4.Such as
Shown in Fig. 1, the two sides of rubber strip 1 passes through epoxy resin structural adhesive and fire prevention cladding boards 2 and the gluing phase of one side of rough ground 3 respectively
Even, steel-tooth plate 6 is clamped with rubber strip 1, as shown in Figure 2.The thickness of described steel-tooth plate 6 is whole thereon between 1~1.5mm
The stamping forming tooth of body can be two-sided straight-tooth, two-sided helical teeth or any combination, be combination tooth, helical teeth and timber rift grain in Fig. 2
Angle is between 30-60 degree, and optimum angle is 45 degree.Steel-tooth on steel-tooth plate 6 is imperial with cladding boards and wood respectively through rubber strip
Bone biting, considerably increase the initial stiffness and bonding strength of rubber strip connection.Fire prevention cladding boards 2 pass through rubber with rough ground 3
The double action of bar and steel-tooth plate realizes that high intensity is integrally attached to.As shown in Figure 2.When it is implemented, fire prevention cladding boards 2 can use
Plasterboard, calcium silicate board, structural slab 4 can use OSB plates or glued board, and rough ground 3 can use SPF imports dimension stock, domestic speed
Greenwood dimension stock or LVL keel, the thickness of rubber strip are blocked up or excessively thin do not reach reason phase preferably between 3mm~10mm
Effect.Bond strength is impacted when excessively thin, and binding ability improves unobvious and causes to waste when blocked up.
The performance indications of rubber strip 1 directly affect the bond strength of the present invention, and therefore, rubber hardness is preferably 50-90, density
Be preferably 0.50-2.00g/cm3, tensile elongation be preferably 100-200%, it is 2.0MPa that tensile strength, which is preferably greater than,.Preferable rubber
Hardness is 70, density 1.70g/cm3, tensile elongation 150%, tensile strength 3.0MPa.
The connected mode of the present invention is by uniformly smearing epoxy resin structural adhesive in the both sides of rubber strip 1, being simultaneously attached to wood
Enter on keel 3 and by the tooth on steel-tooth plate in rough ground 3, then fire prevention cladding boards 2 are pressed on rubber strip and made on steel-tooth plate
Tooth enters in cladding boards 2, that is, forms the preliminary framework of fire proof construction, and the glued effect of effect and rubber strip due to double cog can be real
Cladding boards of now preventing fires and the high intensity of rough ground connect.Meanwhile the performance of wooden shear wall also obtains synchronous raising.
Different cladding boards, keel, rubber strip connection measured test result are as follows.
First, 0SB panels and Poplar LVL keel joints point
With OSB plates compared with poplar keel are using the node of nail connection, connected using spiral nail with polyurethane foam rubber
Node, its bearing power increase about 104%；Peak displacement improves about 70%.Result of the test such as table 1, trial curve such as Fig. 3.
Table 1OSB panels and Poplar LVL keel difference connecting node result of the test
Note：Experiment its a diameter of 3.2mm of domestic spiral nail, a length of 60mm.
2nd, poplar plywood and Poplar LVL keel difference rubber connecting node
With poplar plywood with poplar keel using nail connection node compared with, only with nitrile rubber connect node, its
Ultimate bearing capacity improves 212%；Peak displacement improves 33%；Rigidity improves 31.6%.Result of the test such as chart 2, trial curve
As shown in Figure 4.
The poplar plywood panel of table 2 and Poplar LVL keel difference rubber connecting node result of the test
Note：Experiment poplar plywood：200×100×12mm；Poplar LVL:150×90×40mm；Domestic spiral nail：
Diameter 3.2mm, long 60mm；Rubber：100×40×5mm.
3rd, poplar plywood and Poplar LVL keel are using rubber and nail connecting node
1st, the performance indications of rubber strip 1 directly affect the overall performance of the present invention, and rubber hardness is preferably 50-90, density
Preferably 0.50-2.00g/cm3, tensile elongation be preferably 100-200%, tensile strength is preferably greater than 2.0MPa.Consider the limit
Load, peak load, rigidity, ductility, better performance index are：Rubber hardness is 70, density 1.70g/cm3, tensile elongation
Rate is 150%, tensile strength 3.0MPa.The relation of different performance index and ultimate load, extreme displacement, rigidity and ductility is shown in
Table 3.
2nd, nitrile rubber and domestic spiral nail are used compared with poplar keel are using the node of nail connection with poplar plywood
The node of connection, its bearing power increase 195%；Peak displacement improves 9%；Rigidity improves 52.6%；Ductility improves 3.8%.Examination
It is as shown in Figure 5 to test curve.
The poplar plywood panel of table 3 and Poplar LVL keel difference rubber and nail connecting node result of the test
Note：Poplar plywood size：200×100×12mm；Poplar LVL size：150×90×40mm；Domestic spiral nail
Size：Diameter 3.2mm, long 60mm；Rubber size：100×40×5mm.
4th, calcium silicate board and Poplar LVL keel are using rubber and nail connecting node
With calcium silicate board compared with poplar keel are using the node of the special connection of special tapping screw, special self tapping spiral shell is used
Follow closely the node being connected with nitrile rubber, its bearing power increase 59%；Peak displacement improves 2.3%；Rigidity improves 32%；Ductility carries
It is high by 5.6%.Result of the test such as chart 4, trial curve is as shown in Figure 6.
The calcium silicate board panel of table 4 and Poplar LVL keel difference rubber and nail connecting node result of the test
Note：Calcium silicate board size：200×100×10mm；Poplar LVL size:150×90×40mm；Special tapping screw
Size：Diameter 3.5mm, long 38mm；Rubber size：100×40×5mm.
5th, OSB panels connection ultimate load different from Poplar LVL keel
OSB panels and Poplar LVL keel difference connecting node ultimate load result of the test such as table 1, trial curve such as Fig. 7 institutes
Show.From table and figure, connecting node is followed closely using the node ratio of rubber connection and rubber and nail connection, its ultimate load carries respectively
It is high by about 127% and 100%；
6th, poplar gluing panel connection ultimate load different from Poplar LVL keel
Poplar gluing panel connection ultimate load result of the test different from Poplar LVL keel is shown in Table 5, trial curve such as Fig. 8.
From figure and table, the node of nail connection is added using nitrile rubber and nitrile rubber, than following closely connecting node, its ultimate load is distinguished
Improve about 300% and 280%；
The poplar gluing panel of table 5 connection ultimate load comparison of test results different from Poplar LVL keel
Note：A diameter of 3.2mm of domestic spiral nail, long 60mm.
Seven, calcium silicates panel connection ultimate load result of the test different from Poplar LVL keel
Calcium silicates panel connection ultimate load result of the test different from Poplar LVL keel is shown in Table 6, trial curve such as Fig. 9.By
Figure is visible with table, and using nitrile rubber plus the node of nail connection, than following closely connecting node, its ultimate load improves about 59%；Rigidity
Improve about 59%；Ductility factor improves 5%.
The calcium silicates panel of table 6 connection ultimate load result of the test different from Poplar LVL keel
Note：The diameter 3.5mm, long 38mm of domestic special tapping screw；The size of calcium silicate board is 200 × 100mm；Poplar
The size of keel is 150 × 90 × 40mm.
8th, poplar plywood and Poplar LVL keel rubber and the wall of nail connection
With poplar plywood compared with poplar keel are using the wooden wallboard of nail connection shaping, connected using nail and nitrile rubber
The wallboard connect, its bearing power increase 10%；Its rigidity improves 24%；Ductility improves 6.9%；Power consumption improves 14.5%.Experiment knot
Fruit such as chart 7, curve map is as shown in Figure 10.
The different wall experimentation results of table 7
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (10)
- A kind of 1. high-strength wooden shear wall of rubber attachment structure, it is characterized in that it is mainly by fire prevention cladding boards（2）, rubber strip（1）、 Rough ground（3）And structural slab（4）Composition, rubber strip（1）Shape and rough ground（3）Match, rubber strip（1）Two sides difference With cladding boards of preventing fires（2）And rough ground（3）One side it is gluing be connected, rough ground（3）Another side pass through connected nail（5）With structure Plate（4）It is connected.
- 2. so as to realize panel（2）With rough ground（3）Be integrally attached to.
- 3. the high-strength wooden shear wall of rubber attachment structure according to claim 1, it is characterized in that rubber strip（1）Using nail (5) enhancing, or rubber strip（1）In be clamped with steel corrugated sheet or steel for increasing initial stiffness and bonding strength Tooth plate（6）, described steel-tooth plate（6）On tooth be straight-tooth, the combination of helical teeth or both, cladding boards of preventing fires（2）With rough ground（3） Realize that high intensity is integrally attached to by the double action of rubber strip and steel-tooth plate.
- 4. the high-strength wooden shear wall of rubber attachment structure according to claim 2, it is characterized in that described steel-tooth plate（6）On Tooth when being helical teeth, the angle of it and timber rift grain is preferably between 30-60 degree；Steel-tooth plate（6）Thickness be preferably 1~1.5mm.
- 5. the high-strength wooden shear wall of rubber attachment structure according to claim 3, it is characterized in that described steel-tooth plate（6）On The angle of helical teeth and timber rift grain be 45 degree.
- 6. the high-strength wooden shear wall of rubber attachment structure according to claim 1, it is characterized in that described rubber strip（1）'s Two sides by interfacial agents and epoxy resin structural adhesive respectively with cladding boards of preventing fires（2）And rough ground（3）It is gluing to be connectedThe high-strength wooden shear wall of rubber attachment structure according to claim 1, it is characterized in that described fire prevention cladding boards（2） For plasterboard or calcium silicate board；Described structural slab is OSB plates or glued board.
- 7. the high-strength wooden shear wall of rubber attachment structure according to claim 1, it is characterized in that described rough ground（3）For SPF imports dimension stock, domestic fast growing wood dimension stock or LVL keel.
- 8. the high-strength wooden shear wall of rubber attachment structure according to claim 1, it is characterized in that described rubber strip（1）Institute The thickness t for the rubber strip stated is preferably 3mm -10mm.
- 9. the high-strength wooden shear wall of the rubber attachment structure according to claim 1 or 7, it is characterized in that described rubber strip （1）Rubber hardness be preferably 50-90, density be preferably 0.50-2.00g/cm3, tensile elongation be preferably 100-200%, tension is strong Degree is preferably greater than 2.0MPa.
- 10. the high-strength wooden shear wall of rubber attachment structure according to claim 9, it is characterized in that described rubber hardness is 70th, density 1.70g/cm3, tensile elongation 150%, tensile strength 3.0MPa.
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| Publication number | Publication date |
|---|---|
| CN107620403B (en) | 2022-11-15 |
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