CN204456651U - A kind of linkage strengthening wood-concrete combination beam - Google Patents
A kind of linkage strengthening wood-concrete combination beam Download PDFInfo
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- CN204456651U CN204456651U CN201520108347.8U CN201520108347U CN204456651U CN 204456651 U CN204456651 U CN 204456651U CN 201520108347 U CN201520108347 U CN 201520108347U CN 204456651 U CN204456651 U CN 204456651U
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- steel plate
- wooden frame
- encased steel
- concrete
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Abstract
The utility model discloses a kind of linkage strengthening wood-concrete combination beam, comprise concrete slab, wooden frame and encased steel plate, described wooden frame is arranged on the below of concrete slab, the outer periderm encased steel plate parcel of wooden frame, encased steel plate has two spring foldings to stretch out at the upper surface of wooden frame, and it is inner that extension embeds concrete slab, fit tightly between wooden frame and encased steel plate, laminating type is: weld between described encased steel plate extension or be bolted, or be connected by glue between wooden frame with encased steel plate or install nail.The utility model is when bearing capacity is constant, and wooden frame smaller volume and the connection function turn increased between wooden frame and concrete, improve globality.The utility model not only can be used in antiquated timber buildings repairing and strengthening, and can be used in newly-built structure in a large number.
Description
Technical field
The utility model relates to the syndeton in construction work, specifically refers to a kind of linkage strengthening wood-concrete combination beam.
Background technology
Before 20th century, wooden construction is drawn materials facility, and low price is the primary structure form of China's traditional architecture, and still has the buildings such as the local-style dwelling houses of a large amount of wooden construction, bridge, temple, Lou Ta, pavilion, shop, administration of government office in feudal China and memorial archway to retain so far, and its absolute quantity is quite huge.The vicissitudes transition of thousands of years gone through by some ancient building, have high historical relic, historical and artistic value, and therefore reinforcement and repair damage or ancient building in imminent danger have high meaning.
From the eighties in 20th century, along with the propagation of ecological Humanism Thoughts, people start ecology and the sustainable development of paying close attention to building more.Timber is low as processing and manufacturing energy consumption, reproducible natural building material, again obtains the attention of people.Timber buildings has simple, energy-conservation attractive in appearance, the advantage such as anti-seismic performance is superior of quick construction, structure.All previous earthquake disaster investigation all shows in the world, and most wooden frame structure can bear geological process, does not cause and collapses and serious casualties.Most employing FRP material reinforced by existing wooden construction, expensive; Be coated with the consolidation effect such as anticorrisive agent, mopping undesirable.Make peg, benefit steel plate not only destroys original structure aesthetic feeling, too increase construction sequence and construction cost.
Wood-concrete combined structure is a kind of new structure grown up on the basis of wooden construction and concrete structure, and in wood-concrete combined structure, wood-concrete combination beam is its important component part.Experimental study shows, when wooden frame and concrete slab couple together acting in conjunction with reliable shear connector, anti-bending bearing capacity and bending rigidity all improve a lot.And Traditional Wood mixes structure and is directly shelved on wooden frame by concrete slab, do like this and cause structural entity rigidity to diminish, anti-seismic performance is deteriorated, bearing capacity reduction etc.
At present, wood-concrete combined structure develops rapidly abroad, and not only research contents is very first and then extensive, and achievement in research is also a large amount of in Practical Project.Make wooden frame and concrete form entirety, carry shearing for the shear connector between wooden frame and concrete, with can cooperative critical component.Wood-concrete combined structure obtains increasing pay attention to and using at present, but a lot of research now still concentrates on and makes to be formed between wood and concrete on overall connector, and timber itself is considered little.
Known the reasonability in cross section, compound beam has given full play to the effect of wooden frame and concrete material, wooden frame tension, concrete compression.Compared with reinforced concrete beam, wood-concrete combination beam can alleviate deadweight, reduce geological process, constructability, saving scaffold and template, shortening construction period.
Domestic recent years also gets more and more to wooden related composite structures research, but wood-concrete combined structure research is less, let alone has widely applied.Mainly domestic timber resources is inadequate to analyze reason.As shown in Figure 1, 2, existing wood-concrete combined structure beam, comprises concrete slab 1, wooden frame 2 and peg 6, mainly there is following problem.
1, Rigidity and strength is relatively little, and distortion is large, and bearing capacity is less;
2, horizontal shear strength is lower;
3, the globality that is connected to form of peg is strong not;
4, wooden frame relative span is less;
5, volume is larger;
6, construction sequence is relatively loaded down with trivial details;
7, timber waste is serious.
Except above deficiency, wood-concrete combination beam is also higher to the requirement of timber, again limit the application of other wood property timber like this, promotes difficulty also corresponding increase.
Utility model content
The purpose of this utility model is to provide a kind of linkage strengthening wood-concrete combination beam, solves how at bearing capacity
When constant, wooden frame smaller volume and the connection function turn increased between wooden frame and concrete, to improve globality.
The technical solution adopted in the utility model is: a kind of linkage strengthening wood-concrete combination beam, comprise concrete slab, wooden frame and encased steel plate, described wooden frame is arranged on the below of concrete slab, the outer periderm encased steel plate parcel of wooden frame, encased steel plate has two spring foldings to stretch out at the upper surface of wooden frame, and it is inner that extension embeds concrete slab, fit tightly between wooden frame and encased steel plate, laminating type is: weld between described encased steel plate extension or be bolted, or be connected by glue between wooden frame with encased steel plate or install nail.
The utility model adopts steel sheet to be wrapped by wooden frame, and with bolt tightening, steel plate and wooden frame is fitted tightly.One deck steel plate due to wooden frame outer wrapping, not only make compound beam integral rigidity and intensity all improve, and the steel plate stretched out also is connected with concrete with the bolt tightened, serves the effect of double coupler, connection function between wooden frame and concrete is stronger, and globality also improves greatly; Eliminate simultaneously and install the reprocessing programs such as peg to wooden frame boring, decrease the machining damage to wooden frame, this is repairing in ancient building the man-made further destroy can also avoided original structure; For newly-built structure, when bearing capacity is constant, wooden frame can do less, saves a large amount of timber, and reduces the wood property restriction of timber, the timber expanded range be suitable for; Weight alleviates relatively, and foundation cost also can reduce relatively, and economic benefit is larger.Span can correspondingly improve, and architectural space becomes larger.Promote also very favourable to the relevant building of wooden construction.
As preferably, the external surface of described encased steel plate is provided with topping.
As preferably, described encased steel plate external surface has lines or repeatedly folds.
As preferably, described encased steel plate appearance bread one deck veneer material, plays the decoration function going back log timberstructure profile.
As preferably, in order to allow wooden construction reveal original appearance, embodying the grace of wooden construction, described encased steel plate perforate or punch, making inner wooden frame visible, also can play the effect of saving steel.
The making completing steel-wood-concrete combination beam described in the utility model roughly needs six procedures or step:
1, the making of wooden frame;
2, the making of encased steel plate; (mainly prefabricated in factory, not make at the scene)
A, size according to wooden frame, cutting steel sheet, length is the same with wooden frame length, and width is about wooden frame section girth;
B, in the punching of both sides along its length;
C, steel sheet is molded;
3, the making of steel-clark beam;
A, wooden frame is put into the encased steel plate made;
B, to tighten between holes with bolt.
4, structure hoisting; Steel-the wooden frame made is lifted into assigned address;
5, floor plate formwork erection, reinforcing bar binding;
6, floor plate concreting, maintenance and form removal;
Wherein steel-clark beam be made as in factory prefabricated; For strengthening construction, only make encased steel plate part, assemble at the construction field (site), play the reinforcement effect to wooden frame.
The utility model not only can be used in antiquated timber buildings repairing and strengthening, and can be used in newly-built structure in a large number.
Beneficial effect: the wood-concrete combination beam 1, after this enhancing redesigns mainly for normal wood-concrete combination beam, wooden frame is wrapped to realize the raising to wooden frame various aspects of performance by steel thin slice, comprise Rigidity and strength, and bending resistance and shear-carrying capacity etc.
2, linkage becomes assembling, and is a part for parcel steel plate, and globality is better.Connection function is except bolt, and the steel plate stretched out also plays a role as continuity connector, and the connection between such wooden frame and concrete has just had double action, and globality is better, and rigidity improves again.
3, the steel plate space that bolt is fixing does not have fixed range, to tighten as reaching construction requirement.Namely steel plate can be bonded and tighten.
4, the thickness of steel plate wants constructability, is mainly as the criterion with design.
5, adopt combination to calculate design during design, so that reduce wooden frame cross-sectional sizes, save timber.
6, screw shear connector need do not pierced on wooden frame, reduce wooden frame damage, and compound beam can be prefabricated in the factory, reduce difficulty of construction, reduce construction cost;
7, in antiquated building reinforce, original wooden frame can be used and need not replace; In new building, wooden frame itself serves reinforcement effect.
Accompanying drawing explanation
Fig. 1 is existing wood-concrete combination beam structural representation;
Fig. 2 is existing wood-concrete combination beam structural section figure;
Fig. 3 is the utility model wood-concrete combination beam structural representation;
Fig. 4 is the utility model wood-concrete combination beam structural section figure;
Fig. 5 is the utility model encased steel plate sectional view with bolts;
Fig. 6 is that the utility model encased steel plate adopts side punching schematic diagram;
Fig. 7 is that the utility model encased steel plate adopts glue connection diagram;
Fig. 8 is that the utility model encased steel plate adopts electric welding connection diagram;
Fig. 9 is that the utility model encased steel plate exceeds wooden frame schematic diagram;
Figure 10 is that the utility model encased steel plate has folding schematic diagram;
Figure 11 is that the utility model encased steel plate adopts decorative timber sectional view;
Figure 12 is that the utility model encased steel plate punches schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 3,4: a kind of linkage strengthening wood-concrete combination beam, comprise concrete slab 1, wooden frame 2 and encased steel plate 3, described wooden frame 2 is arranged on the below of concrete slab 1, the outer periderm encased steel plate 3 of wooden frame 2 wraps up, encased steel plate 3 has two spring foldings to stretch out at the upper surface of wooden frame 2, and it is inner that extension embeds concrete slab 1, fits tightly between wooden frame 2 and encased steel plate 3;
As shown in Figure 5: connected by bolt 4 between encased steel plate 3 extension.
As shown in Figure 6: not at encased steel plate 3 punching two ends, at encased steel plate 3 by middle part punching, nail is installed by Interal fixation in wooden frame belly.
As shown in Figure 7, encased steel plate 3 does not punch, not erection bolt, directly use glue Interal fixation on wooden frame, encased steel plate 3 and wooden frame are linked together by glue.
As shown in Figure 8, the steel disc laminating between encased steel plate 3 extension, welds with welding gun.
As shown in Figure 9, encased steel plate 3 is not necessarily fitted wooden frame upper surface, can suitably stretch out.
As shown in Figure 10, encased steel plate 3 external surface repeatedly folds.
As shown in figure 11, encased steel plate 3 appearance bread one deck veneer material 5, plays the decoration function going back log timberstructure profile.
As shown in figure 12, encased steel plate 3 perforate or punch, makes inner wooden frame visible, also can play the effect of saving steel.
It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each ingredient not clear and definite in the present embodiment is realized.
Claims (5)
1. one kind strengthens the linkage of wood-concrete combination beam, it is characterized in that: comprise concrete slab, wooden frame and encased steel plate, described wooden frame is arranged on the below of concrete slab, the outer periderm encased steel plate parcel of wooden frame, encased steel plate has two spring foldings to stretch out at the upper surface of wooden frame, and it is inner that extension embeds concrete slab, fit tightly between wooden frame and encased steel plate, laminating type is: weld between described encased steel plate extension or be bolted, or be connected by glue between wooden frame with encased steel plate or install nail.
2. a kind of linkage strengthening wood-concrete combination beam according to claim 1, is characterized in that: the external surface of described encased steel plate is provided with topping.
3. a kind of linkage strengthening wood-concrete combination beam according to claim 1, is characterized in that: described encased steel plate external surface has lines or repeatedly folds.
4. a kind of linkage strengthening wood-concrete combination beam according to claim 1, is characterized in that: described encased steel plate appearance bread one deck veneer material.
5. a kind of linkage strengthening wood-concrete combination beam according to claim 1, is characterized in that: described encased steel plate perforate or punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108347.8U CN204456651U (en) | 2015-02-13 | 2015-02-13 | A kind of linkage strengthening wood-concrete combination beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108347.8U CN204456651U (en) | 2015-02-13 | 2015-02-13 | A kind of linkage strengthening wood-concrete combination beam |
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| Publication Number | Publication Date |
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| CN204456651U true CN204456651U (en) | 2015-07-08 |
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| CN201520108347.8U Expired - Fee Related CN204456651U (en) | 2015-02-13 | 2015-02-13 | A kind of linkage strengthening wood-concrete combination beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652702A (en) * | 2015-02-13 | 2015-05-27 | 南京工业大学 | Connecting device for strengthening wood-concrete composite beam |
| CN107268890A (en) * | 2017-07-31 | 2017-10-20 | 湖南大学 | A kind of assembled bamboo and wood concrete combination beam |
-
2015
- 2015-02-13 CN CN201520108347.8U patent/CN204456651U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652702A (en) * | 2015-02-13 | 2015-05-27 | 南京工业大学 | Connecting device for strengthening wood-concrete composite beam |
| CN107268890A (en) * | 2017-07-31 | 2017-10-20 | 湖南大学 | A kind of assembled bamboo and wood concrete combination beam |
| CN107268890B (en) * | 2017-07-31 | 2019-10-01 | 湖南大学 | A kind of assembled bamboo and wood-concrete combination beam |
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Legal Events
| 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: 20150708 Termination date: 20170213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |