CN204001420U - A kind of prestressing force basalt fibre plate combination wooden frame - Google Patents
A kind of prestressing force basalt fibre plate combination wooden frame Download PDFInfo
- Publication number
- CN204001420U CN204001420U CN201420439603.7U CN201420439603U CN204001420U CN 204001420 U CN204001420 U CN 204001420U CN 201420439603 U CN201420439603 U CN 201420439603U CN 204001420 U CN204001420 U CN 204001420U
- Authority
- CN
- China
- Prior art keywords
- plank
- basalt fibre
- fibre plate
- wooden frame
- composite beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
A kind of prestressing force basalt fibre plate combination wooden frame, comprise plank and basalt fibre plate, length direction along plank between the same layer plank of composite beam is spliced into one, need stagger in stitching portion along the neighbouring two-layer plank of the thickness direction of plank, outside stitching portion, wrap up in and be bonded with basalt fiber cloth, basalt fibre plate is along the elongated setting of length direction of composite beam, be adhered to the both sides of the outermost plank of composite beam, be respectively the first basalt fibre plate of plank inner side and the second basalt fibre plate in plank outside, the second basalt fibre plate is for having applied prestressed stiffener.The utility model has solved in Traditional Wood structure construction that whole consumption of wood is large, and cost is higher, and the billet material utilization rate of normal length and common diameter class is lower, easily causes great waste of material, the irrational technical problem of use of timber.
Description
Technical field
The utility model relates to the combination wooden frame that a kind of construction work is used, particularly a kind of wooden frame of applying the combination of prestressing force basalt fibre plate.
Background technology
Nowadays, it has been undisputable fact that the global forest reserves reduce gradually, and the trend of wood supply be also becoming tight by day.In current building operations, in order to guarantee that the wooden frame in wooden construction can reach designing requirement, conventionally can select the whole timber that section area is larger, cause consumption of wood large, the resource of timber is caused to great waste, with high costs.
In wooden construction construction, the billet material of normal length and common diameter class, cannot be as the primary structure member of bearing stress conventionally by auxiliary type members such as, backing plate stupefied as wood, templates, and utilization rate is lower, easily cause great waste of material, the use of timber is unreasonable.
Basalt fiber material (Basalt Fiber Reinforced Polymer, be called for short BFRP), basalt fiber cloth and Black Warrior fiberboard all have how much plasticity large, frivolous, easily cut out the advantages such as moulding, being highly suitable for Traditional Wood component surface pastes, be conducive to the performance of the high-strength feature of basalt fiber material, when improving bearing capacity by a relatively large margin, can reduce construction costs.
Utility model content
The purpose of this utility model is to provide a kind of prestressing force basalt fibre plate combination wooden frame, solve in Traditional Wood structure construction whole consumption of wood large, the technical problem that cost is higher, the billet material utilization rate that also will solve normal length and common diameter class is lower, cause great waste of material, the irrational technical problem of use of timber.
For achieving the above object, the utility model adopts following technical scheme:
A kind of prestressing force basalt fibre plate combination wooden frame, it is the bonding composite beam forming of multi-layered board, comprise plank and basalt fibre plate, length direction along plank between the same layer plank of described composite beam is spliced into one, need stagger in stitching portion along the neighbouring two-layer plank of the thickness direction of plank, wrap up in and be bonded with basalt fiber cloth outside stitching portion.
Described basalt fibre plate, along the elongated setting of length direction of composite beam, is adhered to the both sides of the outermost plank of composite beam, is respectively the first basalt fibre plate of plank inner side and the second basalt fibre plate in plank outside.
Described the second basalt fibre plate is for having applied prestressed stiffener.
The tenon tooth all arranging by end along its length between the plank of the same layer of described composite beam splices, and slot place has also filled adhesive glue and strengthened connecting.
Compared with prior art the utlity model has following characteristics and beneficial effect:
Prestressing force basalt fibre plate combination wooden frame of the present utility model adopts and is compounded to form combination greatly across beam by the wood board splicing of multistage, multilayer normal length, common diameter class and with the high-strength basalt fiber material of novel light, effectively utilized unserviceable billet material originally, made to the use of timber more fully rationally.Tensile region outermost basalt fibre plate is applied to prestressing force, supporting capacity and the bending rigidity of combination wooden frame have been improved, reduce the deflection deformation of beam, realize better large span, effectively brought into play the advantage of new material basalt fibre high-strength light, meet the demand of building structure to large span wooden frame, in antiquated building renovation and newly-built wooden construction, all have broad application prospects, effectively saved resource.
Prestressing force basalt fibre plate of the present utility model combination wooden frame bearing capacity is high, span is large, easy to make, both be applicable to reconstruction of existing building and changed timber frame, also be applicable to newly-built wooden construction, there is objective economic benefit, also there is good environmental benefit, social benefit simultaneously.
Prestressing force basalt fibre plate of the present utility model combination wooden frame carries out pre-bending carry in the situation that holding, sticker basalt fiber material on the compression face of combination wooden frame, make itself and combination wooden frame co-operation, utilize the resilience of beam to produce pretension, prestress application precision is easily controlled, and preparation method is simple.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is that the utility model is along the plan structure schematic diagram of the tenon tooth connection of sheet material length direction.
The plan structure schematic diagram of Fig. 2 after to be the utility model bonding along the splicing of sheet material length direction.
Fig. 3 is the side-looking structural representation of Fig. 2.
Fig. 4 is that the utility model is along the side-looking structural representation of sheet metal thickness direction.
Fig. 5 is the A place partial enlarged drawing of Fig. 4.
Fig. 6 be in the utility model construction method step 6 complete after the structural representation of multilayer composite sheet.
Fig. 7 is the schematic diagram of step 7 in the utility model construction method.
Fig. 8 is the schematic diagram of step 8 in the utility model construction method.
Fig. 9 is the schematic diagram of step 10 after completing in the utility model construction method.
Reference numeral: 1-plank, 1.1-outermost plank, 2-basalt fibre plate, 2.1-the first basalt fibre plate, 2.2-the second basalt fibre plate, 3-tenon tooth, 4-adhesive glue, 5-basalt fiber cloth, 6-load, 7-bearing, 8-multilayer composite sheet.
The specific embodiment
Embodiment is referring to shown in Fig. 1～2, a kind of prestressing force basalt fibre plate combination wooden frame, it is the bonding composite beam forming of multi-layered board, comprise plank 1 and basalt fibre plate 2, length direction along plank between the same layer plank of described composite beam is spliced into one, and the two-layer plank neighbouring along the thickness direction of plank splices by adhesive glue, need stagger in stitching portion, shown in Figure 3, outside stitching portion, wrap up in and be bonded with basalt fiber cloth 5.
Shown in Fig. 4～5, described basalt fibre plate 2 is along the elongated setting of length direction of composite beam, be adhered to the both sides of the outermost plank 1.1 of composite beam, be respectively the first basalt fibre plate 2.1 of plank inner side and the second basalt fibre plate 2.2 in plank outside
Described the second basalt fibre plate 2.2 is for having applied prestressed stiffener.
Shown in Figure 1, the tenon tooth 3 all arranging by end along its length between the plank 1 of the same layer of described composite beam splices, shown in Figure 2, and slot place has also filled adhesive glue 4 and strengthened connecting.
A preparation method for prestressing force basalt fibre plate combination wooden frame, adopts pre-bending method, and preparation process is as follows:
Step 1, by the end mortise tooth 3 of every section of plank.
Step 2, on tenon tooth 3, fill adhesive glue 4, and the tenon tooth of two adjacent planks is spliced and bonding along the length direction of plank, make multistage plank be connected to one deck plank.
Step 3, outside tenon tooth stitching portion, wrapping up in bonding basalt fiber cloth 5, staggers in the tenon tooth stitching portion of neighbouring two-layer plank, to avoid weak bonding pad to overlap.
The compound sticking that step 4, through-thickness are undertaken plywood from the bottom to top by adhesive glue 4, until upside layer second from the bottom plank.
Step 5, at the upper surface of upside layer second from the bottom, be coated with adhesive glue 4 bonding the first basalt fibre plate 2.1.
Step 6, at the upper surface of the first basalt fibre plate 2.1, be coated with adhesive glue 4 bonding outermost plank 1.1, become multilayer composite sheet 8; Structure after completing is shown in Figure 6.
Step 7, shown in Figure 7, the two ends of multilayer composite sheet 8 are separately fixed on bearing 7, the span centre position of multilayer composite sheet 8 is applied to load 6 vertically downward, load applies the soffit span centre that position can be arranged on multilayer composite sheet 8, use jack to load, make multilayer composite sheet produce predeformation.
Step 8, shown in Figure 8, is holding carry in the situation that, at the upper surface of multilayer composite sheet, is coated with adhesive glue 4 and bonding the second basalt fibre plate 2.2 forms composite beams.
Step 9, maintenance under field conditions (factors), until the second basalt fibre plate 2.2 and multilayer composite sheet 8 can co-operation after released load, utilize the resilience of composite beam to produce pretension.
Step 10, shown in Figure 9, falls turnback by composite beam and makes tensile region downward, forms prestressing force basalt fibre plate combination wooden frame.
In the utility model, the both sides of outermost plank 1.1 respectively sticker basalt fibre plate 2 form the tensile region of combining wooden frame; The object of the gluing basalt fibre plate 2 in tensile region is in order to improve combination wooden frame bending resistance and integral rigidity.
In preparation process, also can in step 7, first in multilayer composite sheet 8 upper surface span centre regions, first fill adhesive glue 4, sticky the second basalt fibre plate 2.2 of point, after reaching adhesive strength, load, then holding carry in the situation that, on the upper surface of multilayer composite sheet 8, beyond span centre region, position is coated with adhesive glue 4, pastes the second basalt fibre plate 2.2 completely, then carries out step 9 again.
In the utility model accompanying drawing with 5 layers of plank, 2 layers of basalt fibre plate are example explanation, in practical application, the number of plies of prestressing force basalt fibre plate combination wooden frame thickness direction plank depends on the gauge of beam, the gauge of beam depends on the length (span) of beam, generally get beam length 1/15 to 1/20.
In the utility model, adhesive glue can be used epoxide-resin glue.
The utility model has adopted the combination of both direction,
Combination along the length direction of beam:
For large span wooden frame, because timber to be spliced is the sheet material of multistage normal length, common diameter class, its length is shorter, longitudinally need splicing, connecting method is taked tenon tooth connected mode, in tensile region, for improving the resistance to tension of splicing node, wraps up in to apply strengthen with basalt fiber cloth.
Combination along the thickness direction of beam:
The wood plank through-thickness assembly that combination wooden frame has spliced by aforementioned length combination mode with several, in order to improve resistance to tension and the holistic resistant behavior of the cementing plank of tensile region, be chosen in respectively tensile region time one deck and bottom sticker one deck basalt fibre plate.In order to improve wooden frame holistic resistant behavior, laterally the joint of adjacent panel needs the fissure of displacement in addition.
Pre-bending method applies prestressing force:
Pre-bending ratio juris is: wooden frame member is fixed on two end bearings, utilizes loading equipemtn to apply load vertically downward to member span centre soffit.Make member produce certain predeformation.Holding carry in the situation that, basalt fibre plate is sticked on compression face.Under natural conditions, maintenance can co-operation with member to reinforcing material, and released load utilizes the resilience of beam to produce pretension.Finally beam is fallen to turnback, form prestressed girder member.The method is not only constructed simply, and prestress application precision is controlled better.Because the mode of pre-bending is equivalent to the prestressing force primary moment with predetermined external load opposite direction to one of wooden frame.Make the first tension of wooden frame pressure zone fiber, the first pressurized of tensile region fiber, by the stretch-draw of basalt fibre plate, become an internal force balance system with wooden frame pressurized bending, thereby effectively brought into play the intensity of high-strength basalt fibre plate, ultimate bearing capacity and the bending rigidity that can improve member, reduced the distortion of wooden frame.Particularly for basalt fibre plate, because the ultimate tensile strength of Wood in Common Use only exists
left and right, and the limiting strain of basalt fiber material exists
left and right, it is larger that limiting strain differs, if do not apply prestressing force tensile region wood fiber break, basalt fibre does not still play a role completely.If can set up strain phase error between basalt fibre plate and tensile region wood fiber
,, when wooden frame is subject to curved destruction, both have reached limiting strain simultaneously, have brought into play the intensity of material completely, are therefore also most economical.
China is existing a large amount of wooden construction historical buildings, as palace, loft, local-style dwelling houses, theatrical stage, temple, pagoda, bridge etc.They are important component parts of Chinese national culture, are the treasures in China and even the world, have very high history, culture, art and scientific value, and the use of these wooden construction historical buildings is of the remote past, and mostly have experienced many vicissitudes of life.The wood property defect of environmental factor and timber self, all makes component load-bearing ability fade, and is prone to the phenomenons such as bending, crack, fracture, for guaranteeing that it normally uses, need to it correspondingly be safeguarded and be repaired.Make the unlikely subject to severe risks of damage of these national rarities, even collapse, intactly preserve better.
In addition, for passing on and carry forward Chinese national culture better, newly-built wooden construction building in the style of the ancients is more and more.Meanwhile, timber buildings has the characteristics such as the nature of getting close to, comfortable durable, quake-resistant safety, flexible design, short construction period, more with energy-conservation, ecological, environmental protection and famous.Timber buildings is having unrivaled huge advantage aspect assembled-type house, building energy conservation, building aseismicity, meet the industrial policy of national low-carbon (LC) building.In the whole world, advocate under the overall background of low-carbon environment-friendly, the development of Chinese Green Building has become a kind of main trend, and Modern Wood Construction and associated wooden industry are gone on foreground.
Reinforcing maintenance, newly-built wooden construction building in the style of the ancients and Modern Wood Construction that the utility model prestressing force basalt fibre plate combination wooden frame is historical building wooden construction provide a kind of more economical rationality effective technical method; effectively History of conservancy is built wooden construction; to protect cultural heritage; development cultural tour industry; promote Modern Wood Construction development; promote the development of green building, promote economic development, there is significant economic benefit and social benefit.
The application table of the utility model in engineering is present:
One, the repairerment of certain experimental project Zhong Dui ancient building group protection
For the ancient buildings in this experimental project being dropped into row, repair protection, its timber frame has been carried out to anti-seismic performance analysis and repaired design with reinforcing.Multianalysis the architectural characteristic of this historical timber frame, its structural damage situation has been carried out detect identifying, analyzed the anti-seismic performance of this damage wooden construction.Adopt on this basis basalt fibre plate combination wooden frame to reinforce reparation to the wooden frame of damage, node etc.
Two, certain experimental project historical timber frame is reinforced and is repaired
That a large amount of wooden frame members of this experimental project exist is rotten, damage by worms, cracking and the loosening equivalent damage of node Tenon, has a strong impact on building and normally uses, and has larger potential safety hazard.Experiment is local lacks available life size wooden frame, need to buy from other places, causes long in time limitly, and expense is very high.Through design analysis, adopt prestressing force basalt fibre plate combination wooden frame, damage wooden frame is replaced, met reinforcing requirement, saved a large amount of expenses, obtained significant economic and social benefits.
Three, the ancient folk building of certain experimental project wooden construction group repairs
Because the erosion of the long-term natural environment of history lacks again maintenance, there is larger potential safety hazard in the ancient folk building of the wooden construction group of this experimental project, has had a strong impact on the normal use of building.This Building group wooden construction degree of impairment has been carried out detecting diagnosis and identified, adopt basalt fibre plate combination wooden frame to replace the wooden frame of damage, adopt basalt fiber cloth reinforcing technique to reinforce the pin of damage, node etc., and carry out finite element analysis, obtain the earthquake response of corresponding construction, analyze the anti-seismic performance that damage wooden construction is reinforced front and back.
Four, the ancient theatrical stage timber frame protection of certain experimental project and repairerment
This experimental project multianalysis the architectural characteristic of ancient theatrical stage timber frame, study the batter of its ground and stylobate, foot joint, pylon and give birth to, spread shock insulation, the energy-dissipating and shock-absorbing situation of making the structure ways such as layer; Its structural damage situation has been carried out detect identifying, dust is involved in seismic wave input Tianjin and cent Luo Bo carries out finite element analysis to it, obtains the earthquake response of corresponding construction, has analyzed the anti-seismic performance of this damage wooden construction; Adopt on this basis basalt fibre plate combination wooden frame to replace the wooden frame of damage, node etc. is reinforced to reparation.
By a plurality of experimental projects, reinforcing maintenance, newly-built wooden construction building in the style of the ancients and Modern Wood Construction that prestressing force basalt fibre plate combination wooden frame is historical building wooden construction provide a kind of more economical rationality effective technical method, supporting capacity and the anti-seismic performance of structure have not only been improved, corrosion resistance and the durability of structure have also been strengthened, computational methods are simple, easy construction has good application value in the timber buildings of China.
Claims (2)
1. a prestressing force basalt fibre plate combines wooden frame, it is the bonding composite beam forming of multi-layered board, it is characterized in that: comprise plank (1) and basalt fibre plate (2), length direction along plank between the same layer plank of described composite beam is spliced into one, need stagger in stitching portion along the neighbouring two-layer plank of the thickness direction of plank, outside stitching portion, wrap up in and be bonded with basalt fiber cloth (5)
Described basalt fibre plate (2) is along the elongated setting of length direction of composite beam, be adhered to the both sides of the outermost plank (1.1) of composite beam, be respectively the first basalt fibre plate (2.1) of plank inner side and the second basalt fibre plate (2.2) in plank outside
Described the second basalt fibre plate (2.2) is for having applied prestressed stiffener.
2. a kind of prestressing force basalt fibre plate according to claim 1 combines wooden frame, it is characterized in that: the tenon tooth (3) all arranging by end along its length between the plank (1) of the same layer of described composite beam splices, slot place has also filled adhesive glue (4) and has strengthened connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439603.7U CN204001420U (en) | 2014-08-06 | 2014-08-06 | A kind of prestressing force basalt fibre plate combination wooden frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439603.7U CN204001420U (en) | 2014-08-06 | 2014-08-06 | A kind of prestressing force basalt fibre plate combination wooden frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204001420U true CN204001420U (en) | 2014-12-10 |
Family
ID=52041443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439603.7U Active CN204001420U (en) | 2014-08-06 | 2014-08-06 | A kind of prestressing force basalt fibre plate combination wooden frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204001420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120832A (en) * | 2014-08-06 | 2014-10-29 | 河北建筑工程学院 | Pre-stress basalt fiber board composite wood beam and preparation method thereof |
-
2014
- 2014-08-06 CN CN201420439603.7U patent/CN204001420U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120832A (en) * | 2014-08-06 | 2014-10-29 | 河北建筑工程学院 | Pre-stress basalt fiber board composite wood beam and preparation method thereof |
| CN104120832B (en) * | 2014-08-06 | 2016-05-18 | 河北建筑工程学院 | A kind of preparation method of prestressing force basalt fibre plate combination wooden frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wei et al. | Flexural performance of bamboo scrimber beams strengthened with fiber-reinforced polymer | |
| Lu et al. | Study on flexural behaviour of glulam beams reinforced by Near Surface Mounted (NSM) CFRP laminates | |
| Chang | Repair and reinforcement of timber columns and shear walls–A review | |
| Manalo et al. | Behaviour of glued fibre composite sandwich structure in flexure: Experiment and Fibre Model Analysis | |
| CN107217788A (en) | Full FRP muscle enhancing ECC Combined concrete beams and preparation method thereof | |
| CN103614965A (en) | Bamboo wood and concrete combined bridge deck slab | |
| CN101942885A (en) | A kind of FRP-bamboo-concrete combination beam | |
| Wu | Experimental analysis of bending resistance of bamboo composite I-shaped beam | |
| CN203546946U (en) | Novel double-steel-plate concrete composite shear wall | |
| Štrukelj et al. | Racking resistance of timber-glass wall elements using different types of adhesives | |
| Zhou et al. | Seismic performance of square, thin-walled steel tube/bamboo plywood composite hollow columns with binding bars | |
| CN104120832B (en) | A kind of preparation method of prestressing force basalt fibre plate combination wooden frame | |
| CN201809900U (en) | FRP (fiber reinforce plastic)-bamboo-concrete composite beam | |
| CN108532828A (en) | A kind of steel and wood composite structural beams | |
| CN102926501A (en) | Reinforced laminate vertically embedded with FRP (Fiber Reinforce Plastic), laminated wood beam and pillar member | |
| CN204001420U (en) | A kind of prestressing force basalt fibre plate combination wooden frame | |
| Balsamo et al. | Masonry reinforcement with IMG composites: Experimental investigation | |
| CN105550418B (en) | CFRP plate reinforces the calculation method for setting the Ultimate flexural strength of core beam | |
| CN203080799U (en) | Coupling beam combining steel plates and high-strength concrete | |
| CN205329843U (en) | Connection system of wood - concrete integrated configuration | |
| CN105550420B (en) | Double muscle reinforce the calculation method for setting the Ultimate flexural strength of core beam | |
| Strzelecka et al. | Theoretical and numerical analyses of steel-timber composite beams with LVL slabs | |
| CN203380980U (en) | Artificial project log used as structural beam | |
| CN203307934U (en) | Screw hole enhanced type connecting structure for large-span laminated wood columns and beams | |
| CN105484355A (en) | Connection system of wood-concrete composite structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |