CN208533817U - A kind of lightweight aggregate concrete-bamboo wood composite floor system - Google Patents
A kind of lightweight aggregate concrete-bamboo wood composite floor system Download PDFInfo
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- CN208533817U CN208533817U CN201820559258.9U CN201820559258U CN208533817U CN 208533817 U CN208533817 U CN 208533817U CN 201820559258 U CN201820559258 U CN 201820559258U CN 208533817 U CN208533817 U CN 208533817U
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Abstract
The utility model provides a kind of lightweight aggregate concrete-bamboo wood composite floor system, including concrete (1), top flange (2), lower flange (3), side web (4), median ventral plate (5), reinforcing bar (6), nail (7), screw (8), shear connector (9), floorboard (10), ceiling floor (11) and plasterboard (12), it is characterized in that concrete (1) is located at the top of composite floor system, side web (4) and median ventral plate (5) are located in the middle part of top flange (2) and lower flange (3), reinforcing bar (6) is located in lower flange (3), floorboard (10) is located at concrete (1) and top flange (2) are intermediate, and it is connected by shear connector (9), ceiling floor (11) and plasterboard (12) are located at superstructure bottom.The utility model has structure simple, cheap, light-weight, the big advantage of bearing capacity, the alternative wooden superstructure of tradition.
Description
Technical field
The utility model relates to a kind of lightweight aggregate concrete-bamboo wood composite floor system, especially a kind of bamboo wood with it is other
The composite floor system component of material, belongs to civil engineering structure field.
Background technique
It is energy conservation and environmental protection, renewable in order to reduce the highly energy-consumings, the dependence of high pollution building materials such as, steel viscous to clay and cement
Green building material be increasingly subject to the favor of people.China possesses bamboo timber resource extremely abundant, and bamboo has intensity height, growth
Fastly, simple processing and the advantages that good toughness, may replace common broad-leaved wood and softwood, is a kind of extensive application prospect
Renewable raw materials.It benefits the nation and the people using bamboo wood as main building materials applied to engineering field, " wood substituted by bamboo " is advantageously reduced to steel
The dependence of the traditional building materials such as material, cement and clay brick.Bamboo structural building has anti-seismic performance good and load to environment
Small feature, application range are constantly expanded.House is built using raw bamboo, has long go through in western China
History.Raw bamboo superstructure is one of most common basic building block in Bamboo structural building, finds exist in the use process of raw bamboo superstructure
Following problems: (1) without obvious sign before destroying, typical brittle break feature is shown；(2) raw bamboo band direction stress ten
It is unfavorable to divide, so that the bearing capacity of raw bamboo beam is relatively low；(3) fire protecting performance of raw bamboo is poor；(4) bamboo discreteness is larger, and material is not
Uniformly；(4) raw bamboo that there are diameters is small, taperingness is big, wall it is thin it is hollow, be subject to damage by worms and the defects of serious anisotropy, increase
The difficulty for having added raw bamboo material to select, can not form large-scale production；(5) it is directly exposed to the outdoor bamboo wood pole without preservative treatment
It is subject to damage by worms, rotten and mildew, its service life of serious curtailment；(6) vibratory response of raw bamboo superstructure is big, and deformability is poor, and
And as time goes by can be increasing, soundproof effect is very poor.
The deformability and mechanical property for how improving bamboo tower lid are that it is faced in timber buildings application
Problem.Thus it is necessary to which raw bamboo to be modified, engineering bamboo structure material is made, eliminates or reduce the known disadvantages of raw bamboo.Bamboo
Integrated timber is the bamboo chip that fast-growing, short-period moso bamboo are processed into certain specification, drying to moisture content 8%~12%, then is passed through
Adhesive is high with elasticity modulus, mechanical strength is high, easy processing spy by the dimension stock in the rectangular section of equidirectional glued by bamboo sheet
Point.For raw bamboo superstructure, lightweight aggregate concrete-bamboo wood composite floor system possesses higher bearing capacity, preferably becomes
Shape performance, better fire resistance and good sound insulation value, market application prospect are very wide.
Summary of the invention
Technical problem to be solved in the utility model is that low for existing raw bamboo superstructure bearing capacity, ductility is poor
The disadvantages of poor with deformation performance, provides a kind of lightweight aggregate that mechanical property is good, low in cost, structure is simple and energy saving and environment friendly
Concrete-bamboo wood composite floor system is applied in modern Bamboo structural building and bamboo and wood composite structure.
In order to solve the above technical problems, the utility model proposes solution are as follows: a kind of lightweight aggregate concrete-bamboo is integrated
Material composite floor system, it from top to bottom successively include concrete, floorboard, bamboo matter box beam (top flange, side web, median ventral plate, under
The edge of a wing), ceiling floor and plasterboard.The concrete is lightweight aggregate concrete, and floorboard is bamboo plywood or bamboo mat bamboo curtain splint glue
Plywood, bamboo matter box beam are to be made of top flange, lower flange, side web and median ventral plate, and ceiling floor is bamboo plywood or bamboo mat
Bamboo plywood, plasterboard are the high-strength Thistle board of fire-type.
The basic principle of the utility model is as follows: side web is arranged in box beam side, and height is slightly below box beam height, main
Undertake shearing force；Top flange is placed at the top of box beam, mainly undertakes pressure caused by moment of flexure；Lower flange is placed in box beam bottom,
Pulling force caused by resist torque；Concrete is located at the top of composite floor system, undertakes pressure；Shear connector is by bamboo box beam and coagulation
Soil is connected as an entirety, and shear connector can be other pin class connectors such as peg, wood screw or bolt.Lightweight aggregate fiber concrete
High-strength light, the bamboo wood ratio of strength to weight with higher and toughness, side web and median ventral plate anti-shear ability with higher, plasterboard
With good fire protecting performance, these materials are organically combined by nail, screw, shear connector and adhesive, are given full play to each
From the advantages of, widened lightweight aggregate concrete-application range of the bamboo wood composite floor system in industrial building and civil buildings.
The lightweight aggregate concrete-bamboo wood composite floor system, the concrete is steel fiber reinforced concrete, using pottery
Grain lightweight aggregate is made instead of general aggregate.
The lightweight aggregate concrete-bamboo wood composite floor system, shear connector are placed among concrete and bamboo box beam, edge
Beam length direction is evenly arranged, and can be peg, wood screw or bolt, and shear connector first hammers into the upper limb of box beam before casting concrete
In edge.
The lightweight aggregate concrete-bamboo wood composite floor system, side web are located at edge of a wing two sides, pass through cementing and upper limb
Edge and lower flange suppress to form entirety.
The side web is located at box beam two sides, and side web side is connect with top flange and lower flange by adhesive.Side
The top surface of web is lower than top flange top surface 5mm, and the bottom surface of side web is apart from lower flange bottom surface 5mm.
Card slot width 1.5mm smaller than median ventral plate tenon in the top flange and lower flange or so.
The top flange, lower flange are all made of bamboo wood, and side web, median ventral plate, ceiling floor and floorboard are all made of
Bamboo plywood or bamboo mat or curtain and ply-bamboo.
Structure glue connection is used between the side web and top flange and lower flange；Median ventral plate by joggle and top flange and
The preset slot connection in lower flange, while being reinforced with adhesive.
The reinforcing bar is wrapped up by lower flange, and symmetrical arrangement, reinforcing bar is placed in bamboo in the pressing process of lower flange
Slab corresponding position, the two are integral by adhesive hot pressing.
Plasterboard, ceiling floor and the lower flange is connected by screw to, and spacing is not more than 200mm.
The utility model overcome raw bamboo superstructure the shortcomings that, have following significant effect:
(1) lightweight aggregate concrete-bamboo wood composite floor system section, greatly improves the cross sectional moment of inertia of bamboo beam, from
And can effectively improve the rigidity of beam, thoroughly change the poor unfavorable situation of beam rigidity；
(2) bamboo wood is configured at tensile region and the compressive region of box beam, and it is strong can to give full play to the higher tension of bamboo wood
Degree and compression strength, and beam mechanical property discreteness and brittle failure mode are greatly improved, fault in material is reduced to beam
The influence of element bearing capacity；
(3) characteristic high using Steel Bar Tensile Strength, is built in the lower flange bottom of box beam, is allowed to total with lower flange
Same bearing load improves the rigidity of beam, so as to improve beam deformability.
(4) concrete is placed in the top of bamboo matter box beam, can give full play to the high spy of lightweight aggregate concrete Compressive Bearing Capacity
Point, cheap cost can also reduce the cost of composite floor system, and lightweight aggregate concrete can effectively obstruct transmitting of the sound in beam, from
And greatly improve the sound insulation capabilities of beam；
(5) lightweight aggregate concrete-bamboo wood composite floor system largely uses concrete made of clinker, cinder aggregate, ring
Energy conservation is protected, is turned waste into wealth, simple production process realizes the recycling of resource.Beam can be reduced using lightweight aggregate commerical ready-mixed concrete
The self weight of component reduces labor intensity, reduces transport of materials amount, saves reinforcing bar amount, reduces project cost.
(6) relative to masonry structure and reinforced concrete structure, lightweight aggregate concrete-bamboo wood composite floor system production with
Process environmental pollution is small, reduces the usage amount of non-renewable resources, reduces the energy-output ratio in use process；Phase
For timber structure, bearing capacity is bigger, and span ability is stronger, and ductility and automatic recovery ability are more preferable；Relative to bamboo structure, ductility is more
Good, cost is less expensive, is self-possessed lighter, fire resistance is more preferable.
(7) bamboo is a kind of renewable resource, and growth cycle is shorter than timber, more energy conservation and environmental protection.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.
Fig. 1 is the structural schematic diagram that the utility model is implemented
In figure: 1. concrete, 2. top flanges, 3. lower flanges, 4. side webs, 5. median ventral plates, 6. reinforcing bars, 7. nails, 8. spiral shells
Nail, 9. shear connectors, 10. floorboards, 11. ceiling floors and 12. plasterboards
Fig. 2 is the fluting schematic diagram of the top flange that the utility model is implemented and lower flange
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.As shown in Figure 1, the utility model provides a kind of lightweight aggregate concrete-bamboo wood group
Superstructure is closed, by concrete, top flange, lower flange, side web, median ventral plate, reinforcing bar, nail, screw, shear connector, floorboard, ceiling
Plate and plasterboard composition, are pressed into lightweight aggregate concrete-bamboo wood composite floor system jointly.In the component, concrete is placed in
The top of composite floor system, to guarantee the soundproof effect and bearing capacity of box beam.Adhesive is painted on top flange, lower flange in advance
Side and slot in, the top and bottom of median ventral plate, side web side, to guarantee the viscous of top flange, lower flange and side web
Tie power.Shear connector is placed in the middle part of box beam top flange and concrete, shear connector hammered into behind the top surface of top flange in advance pour again it is light
Aggregate concrete plays the role of Transfer of Shear between concrete and box beam.The back gauge of shear connector and column away from being not less than 20mm,
End cleaves box beam top flange away from 70mm is not less than with line-spacing to prevent shear connector.
In a kind of lightweight aggregate concrete-bamboo wood composite floor system component as described above, top flange, lower flange should be selected
Raw major diameter moso bamboo is raw material within 3~5 years, is process through techniques such as sawing, boiling, charing, drying, chip select, assembly gluings,
The moisture content of flange plate preferably controls below 15%.
Side web, median ventral plate, ceiling floor and floorboard should select 3~5 years raw major diameter moso bamboos as raw material, cut into
It, can be glued for bamboo plywood or bamboo mat bamboo curtain splint through industrializing the bamboo plywood being process with a thickness of the thin bamboo curtain splint of 1mm
Plate.The adhesive is crosslinking binder, and epoxide-resin glue, urea-formaldehyde resin adhesive or phenolic resin glue can be used.
The interface of floorboard and concrete should carry out dabbing processing, and chisel depth is 1~2mm, and chisel trace is about 20mm, cutting rate
Not less than 80%.
Shear connector is implanted into top flange by the way of prebored hole, implantation depth be not less than 20mm, symmetrical arrangement,
Longitudinal pitch is not less than 100mm.
The interface of top flange, lower flange and side web should carry out dabbing processing, and chisel depth is 1~2mm, and chisel trace is about
20mm, cutting rate are not less than 80%.
For box section component, when compacting, top flange, bottom wing should be selected according to the bearing capacity and rigidity of neutralizing target
The size of edge, side web, median ventral plate, ceiling floor, plasterboard, reinforcing bar and concrete, the glue between top flange, lower flange and side web
Stick press temperature takes 15~35 DEG C, and pressure takes 1.5~3MPa, is conserved, is supported in merging constant temperature and humidity room after the completion of compacting
Protecting the time is 10~15 days.
For lightweight aggregate concrete-bamboo wood composite floor system component, lightweight aggregate concrete should be made according to match ratio, adopted
It is conserved with standard conditions, curing time continues 28 days.
Embodiment 1: 1 thickness of concrete is 100mm, strength grade C30, takes the bamboo plywood of 9.5mm thickness, 290mm high
As side web 4,9.5mm is thick, 250mm high bamboo plywood is as median ventral plate 5, takes the bamboo wood of 40mm high, 80mm wide
As top flange 2 and lower flange 3,6 diameter of reinforcing bar is 6mm, median ventral plate 5 and 3 joggle of top flange 2 and lower flange, and card slot depth is
15mm, 9 spacing of shear connector are 100mm, and 10 thickness 12mm of floorboard, ceiling floor 11 and 12 thickness of plasterboard are 9.5mm.
Claims (7)
1. a kind of lightweight aggregate concrete-bamboo wood composite floor system, it mainly includes concrete (1), top flange (2), lower flange
(3), side web (4), median ventral plate (5), reinforcing bar (6), nail (7), screw (8), shear connector (9), floorboard (10), ceiling floor
(11) it is formed with plasterboard (12), it is characterised in that concrete (1) is located at the top of composite floor system, and side web (4) is located at superstructure
Side, side web (4) connect by adhesive with top flange (2) and lower flange (3), and median ventral plate (5) is located at the middle part of superstructure,
Median ventral plate (5) is connect by adhesive with top flange (2) and lower flange (3), and top flange (2) are located at the top of box beam, lower flange
(3) it is located at the lower part of box beam, reinforcing bar (6) is located in lower flange (3), and floorboard (10) is located in concrete (1) and top flange (2)
Between, and connected by shear connector (9), ceiling floor (11) is located at lower flange (3) bottom, and plasterboard (12) is located at the bottom of composite floor system
Portion is connect by screw (8) with lower flange (3).
2. a kind of lightweight aggregate concrete-bamboo wood composite floor system according to claim 1, it is characterised in that the side
Web (4) is located at box beam two sides, and the interface of side web (4), top flange (2), lower flange (3) should carry out dabbing processing, side web
(4) top surface is lower than top flange (2) top surface 5mm, and the bottom surface of side web (4) is apart from lower flange (3) bottom surface 5mm.
3. a kind of lightweight aggregate concrete-bamboo wood composite floor system according to claim 1, it is characterised in that described is upper
Card slot width in the edge of a wing (2) and lower flange (3) is 1.5mm smaller than median ventral plate (5) tenon or so.
4. a kind of lightweight aggregate concrete-bamboo wood composite floor system according to claim 1, it is characterised in that the steel
Muscle (6) is wrapped up by lower flange (3), symmetrical arrangement, and reinforcing bar (6) merging bamboo clappers base before lower flange (3) are suppressed is corresponding
Position, the two are integral by adhesive hot pressing.
5. a kind of lightweight aggregate concrete-bamboo wood composite floor system according to claim 1, it is characterised in that described is upper
The edge of a wing (2) is connect with concrete (1) by shear connector (9), is the connectors such as peg, wood screw or bolt.
6. a kind of lightweight aggregate concrete-bamboo wood composite floor system according to claim 1, it is characterised in that the building
The interface of panel (10) and concrete (1) should carry out dabbing processing, and chisel depth is 1~2mm, and chisel trace is about 20mm, and cutting rate is not
Lower than 80%.
7. a kind of lightweight aggregate concrete-bamboo wood composite floor system according to claim 1, it is characterised in that the stone
Cream plate (12) is connect with ceiling floor (11), lower flange (3) by screw (8), and spacing is not more than 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559258.9U CN208533817U (en) | 2018-04-12 | 2018-04-12 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559258.9U CN208533817U (en) | 2018-04-12 | 2018-04-12 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
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| Publication Number | Publication Date |
|---|---|
| CN208533817U true CN208533817U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820559258.9U Expired - Fee Related CN208533817U (en) | 2018-04-12 | 2018-04-12 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316529A (en) * | 2018-04-12 | 2018-07-24 | 南京林业大学 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
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2018
- 2018-04-12 CN CN201820559258.9U patent/CN208533817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316529A (en) * | 2018-04-12 | 2018-07-24 | 南京林业大学 | A kind of lightweight aggregate concrete-bamboo wood composite floor system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Boke New Material Industry Research Institute Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000283 Denomination of utility model: Lightweight aggregate concrete-bamboo integrated material composite floor system Granted publication date: 20190222 License type: Common License Record date: 20191119 Assignee: Suqian Dewei Fiberglass Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000281 Denomination of utility model: Lightweight aggregate concrete-bamboo integrated material composite floor system Granted publication date: 20190222 License type: Common License Record date: 20191119 Assignee: Suqian De Wei new material Co., Ltd Assignor: Nanjing Forestry University Contract record no.: X2019320000282 Denomination of utility model: Lightweight aggregate concrete-bamboo integrated material composite floor system Granted publication date: 20190222 License type: Common License Record date: 20191119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20200412 |