CN203640154U - Engineered wood-pressed steel plate-lightweight aggregate concrete composite beam - Google Patents
Engineered wood-pressed steel plate-lightweight aggregate concrete composite beam Download PDFInfo
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- CN203640154U CN203640154U CN201320566047.5U CN201320566047U CN203640154U CN 203640154 U CN203640154 U CN 203640154U CN 201320566047 U CN201320566047 U CN 201320566047U CN 203640154 U CN203640154 U CN 203640154U
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Abstract
The utility model discloses an engineered wood-pressed steel plate-lightweight aggregate concrete composite beam. The composite beam comprises an engineered wood beam, a pressed steel plate, a lightweight aggregate concrete wing plate, a transverse reinforcing steel bar and a longitudinal reinforcing steel bar, wherein the engineered wood beam is arranged on the bottom of the engineered wood beam, the lightweight aggregate concrete wing plate is arranged on the upper part of the engineered wood beam, the engineered wood beam is connected with the lightweight aggregate concrete wing plate, the transverse reinforcing steel bar is arranged in the transverse direction of the lightweight aggregate concrete wing plate, the longitudinal reinforcing steel bar is arranged in the longitudinal direction of the lightweight aggregate concrete wing plate, and the pressed steel plate is arranged between the engineered wood beam and the lightweight aggregate concrete wing plate. According to the composite beam disclosed by the utility model, the engineered wood beam is combined with the pressed steel plate and the lightweight aggregate concrete wing plate, so that the manufacturing cost of the composite beam is reduced, the rigidity and the bearing capacity of the composite beam are improved, the engineered wood and the concrete play respective advantages, the tensile property of the engineered wood and the compressive property of the concrete are enhanced, the structure is simple and the operation is convenient.
Description
Technical field
The utility model belongs to building compound beam technical field, relates in particular to a kind of engineered wood-profiled sheet-light aggregate concrete composite beams.
Background technology
At present, the girder construction that the realm of building construction uses is mainly to have wooden frame, reinforced concrete beam, wood-concrete combination beam (referring to wood-concrete combination beam that wooden frame adopts log to be made here).
In using and making, there are a lot of weak points in existing girder construction:
1, the deficiency of traditional wooden frame: (1) anti-fiery ability; (2) bearing capacity is not high; (3) log apt to rot, damage by worms, and natural timber yields poorly and price constantly rises, a large amount of felling can cause environmental disruption and the ecological homeostasis.
2, the deficiency of reinforced concrete beam: (1) sectional dimension is larger, from great; (2) assembling reinforcement and a die process are loaded down with trivial details, long construction period; (3) cost is higher; (4) adopt traditional constructional materials steel and concrete, serious to resource and energy consumption, environment is also made a big impact.When concrete production, need a large amount of sandstone aggregates, natural environment is damaged.Wherein the manufacturing process of cement is discharged a large amount of pernicious gas such as CO2 and SO2 and dust, can cause greenhouse effect and acid rain phenomenon, threatens the mankind's health.In addition, the noise that concrete stirring, transportation and construction produce, severe jamming the normal rest of surrounding resident; (5) recycling of discarded concrete is more difficult, is unfavorable for the sustainable development of resource.China is the country that adopts at present reinforced concrete structure maximum, these building safeties expire need to remove time service life in the future, can produce a large amount of concrete construction rubbish, how processing these discarded concrete construction rubbish will be a great problem that we face.
In addition, Chinese patent " 201020668589.X " number discloses a kind of reinforced concrete-wood composite beam, and it belongs to traditional wood-concrete combination beam.Its main points are on wooden frame, to have a series of transverse concave grooves, and in groove, vertical fixing steel rod elements, covers one deck concrete lift on wooden frame and groove thereof, are also embedded with the tensile reinforcement with the vertical consistency of beam in concrete lift.This kind of compound beam is that the one of traditional wooden frame and reinforced concrete beam is improved, but makes because its wooden frame part still adopts log, therefore it still exists the anti-fiery ability of traditional wooden frame and apt to rot, the shortcoming such as damage by worms.In addition, still want installation form and stripping owing to need to have a series of transverse concave grooves and concreting on wooden frame in work progress time, construct more complicated.
The fire-resistant difference of existing wood structure and bearing capacity are not high, reinforced concrete beam is high and bring civil engineering rubbish, existing wood-Combined concrete construction more complicated from great cost.
Utility model content
The object of the utility model embodiment is to provide a kind of engineered wood-profiled sheet-light aggregate concrete composite beams, is intended to solve the fire-resistant difference of existing wood structure and bearing capacity is not high, reinforced concrete beam is high and bring civil engineering rubbish, existing wood-more complicated problem of Combined concrete construction from great cost.
The utility model embodiment realizes like this, a kind of engineered wood-profiled sheet-light aggregate concrete composite beams, this project wood-profiled sheet-light aggregate concrete composite beams comprises: engineered wood beams, profiled sheet, light weight aggregate concrete wing plate, transverse reinforcement, longitudinal reinforcement;
Engineered wood beams is arranged on compound beam bottom, light weight aggregate concrete wing plate is arranged on compound beam top, engineered wood beams connects light weight aggregate concrete wing plate, transverse reinforcement is at light weight aggregate concrete wing plate horizontally set, longitudinal reinforcement longitudinally arranges at light weight aggregate concrete wing plate, and profiled sheet is arranged between engineered wood beams and light weight aggregate concrete wing plate.
Further, engineered wood beams connects light weight aggregate concrete wing plate by connector.
Further, the form of connector can be screw, bolt, peg or perforated metal sheet.
Further, adopt take log as primary raw material, high-performance environmentally-friendly type bonding adhesive, utilize modern timber process technology engineered wood beams.
Further, adopt light weight aggregate concrete to build light weight aggregate concrete wing plate.
Further, the form of profiled sheet can be open-type, reducing type or closed type.
Another object of the utility model embodiment is to provide a kind of engineered wood-profiled sheet-light aggregate concrete composite beams to prepare mounting method, and it is as follows that this project wood-profiled sheet-light aggregate concrete composite beams is prepared mounting method concrete steps:
Step 1, at wood-working factory's engineered wood beams of processing and fabricating required size in advance;
After step 5, light weight aggregate concrete final set, carry out maintenance, after light weight aggregate concrete reaches design limit compressive strength, remove again bulkhead or the baffle plate of profiled sheet termination.
Engineered wood-profiled sheet-light aggregate concrete composite beams that the utility model provides, by by engineered wood beams and profiled sheet, the combination of light weight aggregate concrete wing plate, reduce the cost of compound beam, rigidity and the bearing capacity of compound beam are improved, make Engineered Wood Product Manufacturing and concrete bring into play advantage separately, tensile property and the concrete compressive property of Engineered Wood Product Manufacturing are improved, simple in structure, easy to operate, preferably resolve the fire-resistant difference of existing wood structure and bearing capacity not high, reinforced concrete beam is high and bring civil engineering rubbish from great cost, the more complicated problem of existing wood-Combined concrete construction,
The utlity model has following characteristics and beneficial effect:
(1) deadweight of engineered wood-profiled sheet-light aggregate concrete composite beams is lighter, can reduce basic construction cost, in the construction stage, profiled sheet can be used as construction working platform, and can doublely play the effect of permanent formwork, can save the operations such as installation and removal scaffold and template, shorten construction period, reduce comprehensive cost, in operational phase, profiled sheet can be used as tensile reinforcement and concrete acting in conjunction at the bottom of concrete flange plate plate and produces combined effect, reduces the quantity of reinforcement in concrete flange plate; The groove of profiled sheet intercostal can also be used to pipeline installation and is connected furred ceiling, is convenient to finishing;
(2) compared with reinforced concrete beam, owing to having used the engineered wood material of ecological, environmental protective, that engineered wood-profiled sheet-light aggregate concrete composite beams has advantages of is renewable, add low power consuming in man-hour and can store carbon, and deadweight and cost all decrease;
(3) compared with traditional wooden frame, economic benefit is better, due to the existence of concrete flange plate and adopted engineered wood, anti-fiery ability increases, in the time that engineered wood beams is connected acting in conjunction with profiled sheet, light weight aggregate concrete wing plate with reliable shear connector, bearing capacity and bending rigidity are improved;
(4) compared with traditional wood-concrete combination beam, because engineered wood is take log as main material, adopt high-performance environmentally-friendly type bonding adhesive, utilize modern timber process technology to make, overcome the shortcoming of log and kept the advantage of log, so engineered wood-profiled sheet-light aggregate concrete composite beams has following advantage: have large span, large space, flexible design is changeable, can meet multi-functional requirement; From heavy and light, based process is easy, and anti-differential settlement ability is strong, is applicable to most of geological conditions, and has good anti-seismic performance; There is better rotproofness; Can use path fast growing wood, there is energy saving effect, in the felling of material, production, transportation, building course, the pollution to water and environment and destroy little;
(5) soundproof effect is good, timber belongs to the material that internal damping is larger, the transmission of noise while effectively reducing floor shock, and engineered wood-profiled sheet-light weight aggregate concrete composite floor system has good sound damping, can effectively improve the sonic propagation of making an uproar, improve people's quality of living of living;
(6) engineered wood-profiled sheet-light aggregate concrete composite beams also has a lot of special performances, such as poor thermal conductivity, there is good thermal and insulating performance, cool in summer and warm in winter, good electrical insulating property and superior resist chemical performance, to burst load and the fatigue strength that periodically load produces all there is good supporting capacity, and wood is easy to obtain harmony with building surrounding environment, makes people enjoy the joyful of peaceful life.
Accompanying drawing explanation
Fig. 1 is the structural representation of engineered wood-profiled sheet-light aggregate concrete composite beams of providing of the utility model embodiment;
Fig. 2 is the sectional view of engineered wood-profiled sheet-light aggregate concrete composite beams of providing of the utility model embodiment;
In figure: 1, engineered wood beams; 2, connector; 3, profiled sheet; 4, light weight aggregate concrete wing plate; 5, transverse reinforcement; 6, longitudinal reinforcement;
Fig. 3 is the flow chart that engineered wood-profiled sheet-light aggregate concrete composite beams that the utility model embodiment provides is prepared mounting method.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As depicted in figs. 1 and 2, engineered wood-profiled sheet-light aggregate concrete composite beams of the utility model embodiment mainly by: engineered wood beams 1, connector 2, profiled sheet 3, light weight aggregate concrete wing plate 4, transverse reinforcement 5, longitudinal reinforcement 6 form, engineered wood beams 1 is arranged on compound beam bottom, bear pulling force, engineered wood beams 1 is take log as primary raw material, adopt high-performance environmentally-friendly type bonding adhesive, utilize modern timber process technology to make; Light weight aggregate concrete wing plate 4 is arranged on compound beam top, bears pressure, and light weight aggregate concrete wing plate 4 is to adopt light weight aggregate concrete to build to form; Engineered wood beams 1 is closely connected by connector 2 with light weight aggregate concrete wing plate 4, connector 2 is the critical components that guarantee that light weight aggregate concrete wing plate 4 and engineered wood beams 1 can collaborative works, the form of connector 2 can be screw, bolt, peg or perforated metal sheet etc., be used for bearing the longitudinal shear between engineered wood beams 1 and light weight aggregate concrete wing plate 4, can also play the effect that starts between opposing light weight aggregate concrete wing plate 4 and engineered wood beams 1; Transverse reinforcement 5 is at light weight aggregate concrete wing plate 4 horizontally sets, and longitudinal reinforcement 6 longitudinally arranges at light weight aggregate concrete wing plate 4; Profiled sheet 3 is arranged between engineered wood beams 1 and light weight aggregate concrete wing plate 4, and the form of profiled sheet 3 can be open-type, reducing type and closed type etc.;
As shown in Figure 3, engineered wood-profiled sheet-light aggregate concrete composite beams of the utility model embodiment is prepared mounting method, and concrete steps are as follows:
S301: at wood-working factory's engineered wood beams of processing and fabricating required size in advance;
S302: according to pre-designed connector layout plan, mark the particular location of each connector with the line of ink marker at engineered wood beams top, then with auger in the position having marked drill bit prebored hole, bored wood chip in Hou Jiang hole, hole and cleaned out;
S303: lay profiled sheet, then with electric wrench, connector (screw) is hammered in the prebored hole at engineered wood beams top through profiled sheet;
S304: place transverse reinforcement and longitudinal reinforcement and carry out colligation on profiled sheet, when then establishing bulkhead or baffle plate in profiled sheet termination and preventing from constructing, concrete leaks, and finally builds light weight aggregate concrete on profiled sheet;
S305: carry out maintenance after light weight aggregate concrete final set, remove again bulkhead or the baffle plate of profiled sheet termination after light weight aggregate concrete reaches design limit compressive strength.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. engineered wood-profiled sheet-light aggregate concrete composite beams, is characterized in that, this project wood-profiled sheet-light aggregate concrete composite beams comprises: engineered wood beams, profiled sheet, light weight aggregate concrete wing plate, transverse reinforcement, longitudinal reinforcement;
Engineered wood beams is arranged on compound beam bottom, light weight aggregate concrete wing plate is arranged on compound beam top, engineered wood beams connects light weight aggregate concrete wing plate, transverse reinforcement is at light weight aggregate concrete wing plate horizontally set, longitudinal reinforcement longitudinally arranges at light weight aggregate concrete wing plate, and profiled sheet is arranged between engineered wood beams and light weight aggregate concrete wing plate.
2. engineered wood-profiled sheet-light aggregate concrete composite beams as claimed in claim 1, is characterized in that, engineered wood beams connects light weight aggregate concrete wing plate by connector.
3. engineered wood-profiled sheet-light aggregate concrete composite beams as claimed in claim 2, is characterized in that, the form of connector is screw, bolt, peg or perforated metal sheet.
4. engineered wood-profiled sheet-light aggregate concrete composite beams as claimed in claim 1, is characterized in that, adopts take log as raw material, high-performance environmentally-friendly type bonding adhesive, utilizes the engineered wood beams of modern timber process technology.
5. engineered wood-profiled sheet-light aggregate concrete composite beams as claimed in claim 2, is characterized in that, adopts light weight aggregate concrete to build light weight aggregate concrete wing plate.
6. engineered wood-profiled sheet-light aggregate concrete composite beams as claimed in claim 2, is characterized in that, the form of profiled sheet is open-type, reducing type or closed type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566047.5U CN203640154U (en) | 2013-09-12 | 2013-09-12 | Engineered wood-pressed steel plate-lightweight aggregate concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566047.5U CN203640154U (en) | 2013-09-12 | 2013-09-12 | Engineered wood-pressed steel plate-lightweight aggregate concrete composite beam |
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| Publication Number | Publication Date |
|---|---|
| CN203640154U true CN203640154U (en) | 2014-06-11 |
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| CN201320566047.5U Expired - Fee Related CN203640154U (en) | 2013-09-12 | 2013-09-12 | Engineered wood-pressed steel plate-lightweight aggregate concrete composite beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437494A (en) * | 2013-09-12 | 2013-12-11 | 南京工业大学 | Combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and production and installation method of combined beam |
-
2013
- 2013-09-12 CN CN201320566047.5U patent/CN203640154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437494A (en) * | 2013-09-12 | 2013-12-11 | 南京工业大学 | Combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and production and installation method of combined beam |
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| 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: 20140611 Termination date: 20180912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |