CN103790283A - Multifunctional bamboo engineering material used as light wood structure keel and preparation method thereof - Google Patents
Multifunctional bamboo engineering material used as light wood structure keel and preparation method thereof Download PDFInfo
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- CN103790283A CN103790283A CN201410055977.3A CN201410055977A CN103790283A CN 103790283 A CN103790283 A CN 103790283A CN 201410055977 A CN201410055977 A CN 201410055977A CN 103790283 A CN103790283 A CN 103790283A
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- 241001330002 Bambuseae Species 0.000 title claims abstract description 133
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 130
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 130
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 130
- 239000011425 bamboo Substances 0.000 title claims abstract description 130
- 239000000463 material Substances 0.000 title claims abstract description 122
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 241000771208 Buchanania arborescens Species 0.000 title abstract 4
- 239000002023 wood Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005187 foaming Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 37
- 238000003892 spreading Methods 0.000 claims description 25
- 230000007480 spreading Effects 0.000 claims description 25
- 238000009408 flooring Methods 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 20
- 230000001070 adhesive effect Effects 0.000 claims description 20
- 238000005253 cladding Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims description 3
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000002025 wood fiber Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 238000004079 fireproofing Methods 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 230000004807 localization Effects 0.000 abstract description 4
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
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- 238000010276 construction Methods 0.000 description 10
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Abstract
The invention discloses a multifunctional bamboo engineering material used as a light wood structure keel and a preparation method thereof, wherein the bamboo engineering material consists of raw bamboo and a foaming material, and the foaming material is arranged in the raw bamboo; the raw bamboo is arranged between covering plates of light wood structure wall materials, roofing materials or floor materials and connected with the covering plates through screws, the diameter of the raw bamboo is matched with the thickness of the wall materials, the roofing materials or the floor materials, the distance between the raw bamboo is set according to the requirement of mechanical property, and a gap formed between the raw bamboo and the covering plates is filled with a heat-insulating flame-retardant material. The invention uses the bamboo with large quantity and wide range in China for the wood structure to replace the standard material keel of the wall body in the light wood structure, thereby being beneficial to accelerating the localization process of the wood structure house, improving the living level of people and reducing the material cost by utilizing.
Description
Technical field
The present invention relates to relate to wooden construction field, particularly relate to a kind of Mobyneb bamboo matter engineering material as light-duty wooden keel and preparation method thereof.
Background technology
Take the U.S., Japan and developed country and the area as Typical Representative such as Canadian, timber is the conventional material of building, and log timberstructure, light-duty wooden and heavy timber construction are its national resident's main flow residences always.Wherein, light-duty wooden be by spacing closely dimension stock make wall bone and do cladding boards with wood structure panel material and combine use, the structural skeleton of formation.Bearing capacity, rigidity and the globality of structure obtains by primary structure member (frame member) and secondary structure member (shingle nail, floor plate and roof panel) acting in conjunction.It is 2 ' that wall bone mainly adopts cross section nominal size ' × 4 ' ', the dimension stock that actual cross-sectional dimensions is 38mm × 89mm is built and is formed, and is the housing construction method that is popular in North America.This structure has insulation, heat insulation, construction energy consumption is low, discharge that equivalent carbon dioxide is few, water pollution index and ecological resources consume the outstanding advantages such as index is low.
Since China carries out importation of timber zero tariff, the developed countries such as America and Europe pay much attention to Chinese timber buildings market, various countries' wooden construction industry plays an active part in, a large amount of wooden construction import into domestic by outer quality material and advanced technology, but due to national conditions reason, domesticly still be faced with the localization that realizes wooden construction material, member, reduce costs, price, reduce or avoid the tasks such as the potential safety hazard of external high-quality Imported timber.
Bamboo wood growth rapidly, material is good, processing and utilization in China is with a long history, it is good constructional materials, China is in intensive farming, rearing new variety and new product development aspect are in first place in the world, but up to now, bamboo wood is mainly as wood-based plate, handicraft, bamboo-wood composite material, pulping and paper-making, the field such as bamboo charcoal and bamboo vinegar, the existing research as engineering material by bamboo wood at present, as cemented bamboo etc., but exist bamboo wood expanding difficulty, need to remove the problems such as complicated procedures of forming such as surf green tabasheer, therefore effectively do not utilize in building structure field always.If according to former bamboo construction features, be used, use it for timber buildings field, substitute the dimension stock keel of materials for wall, roofing materials or flooring in light-duty wooden, be conducive to accelerate the localization process of wooden frame structure, improve people's residential level, reduce material cost; In addition, from output, China has been timber processing big country, in woodwork processing use procedure, there is a large amount of timber processing wastes, as sawdust such as wood shavings, fiber, wood powders, substantially directly warm oneself in order to burning as low value-added new raw material of wood-charcoal at present, also effectively utilize under construction.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of Mobyneb bamboo matter engineering material as light-duty wooden keel and preparation method thereof is proposed, bamboo wood larger intensity is used as to bearing carrier, timber processing waste, as heat insulation flame-retardant material, can be realized to production domesticization and the cost degradation of keel in light-duty wooden materials for wall, roofing materials or flooring.
The technical solution used in the present invention is: a kind of Mobyneb bamboo matter engineering material as light-duty wooden keel, comprise former bamboo and expanded material, described expanded material is placed in former bamboo inside, described former bamboo is arranged between the cladding boards of materials for wall, roofing materials or flooring, and be connected by screw, the diameter of former bamboo and materials for wall, roofing materials or flooring size match, and the space forming between former bamboo and cladding boards is filled with heat-insulating fireproof material.
As preferably, described former bamboo bamboo wall thickness is more than 6mm.
The preparation method of the above-mentioned Mobyneb bamboo matter engineering material as light-duty wooden keel, comprises the following steps:
(1) raw material are prepared: the former bamboo that preparation and materials for wall, roofing materials or flooring size match, foamed adhesive, 40～100 object timber processing wastes;
(2) former bamboo preprocessing: by bamboo in former bamboo every remove after, by its moisture control in 8%～20% scope;
(3) expanded material preparation: according to the ratio of mass percent 20%～70%, timber processing waste is joined in foamed adhesive, mix and be placed on former bamboo inside the processing of foaming;
(4) bamboo matter engineering material preparation: the former bamboo that inside is filled with to expanded material carries out dimensioned, processes wide along its length engineering material.
As preferably, determine and select the former bamboo of appropriate length scope according to materials for wall, roofing materials or flooring size, in the time that former bamboo length can not meet body of wall requirement for height, by the spreading mode spreading of the large small end socket of former bamboo.
As preferably, be inserted into former bamboo and carry out the former bamboo of spreading, the cuff that should apply metal or FRP material at its socket spreading end after spreading carries out hoop constraint.
As preferably, described foamed adhesive is polyurethane, P-F bonding adhesive or melamine-urea-formaldehyde resin.
As preferably, described timber processing waste comprises wood wool, wood fiber and wood powder.
As preferably, the width of the wide processing of former bamboo is determined by the size of materials for wall, roofing materials or flooring, and two its width of plane of width are more than 25mm.
As preferably, the density of described expanded material is 150～300kg/m
3.
As preferably, when described foamed adhesive mixes with timber processing waste, also add optional fire proofing.
The construction features such as the present invention is large according to former bamboo longitudinal strength, hollow, timber processing waste is inserted to former bamboo inside the processing of foaming in advance, expanded material density and air void rate are controlled, add fire retardant simultaneously, give expanded material fire-retardant fireproof function, therefore by the domestic bamboo wood having a large capacity and a wide range for wooden construction, substitute the keel of materials for wall, roofing materials or flooring in light-duty wooden, not only be conducive to accelerate the localization process of wooden frame structure, improve people's residential level, also have to utilize and reduce material cost.
Beneficial effect of the present invention: patented product takes full advantage of the feature that bamboo wood crushing strength parallel to the grain is larger, used as materials for wall, roofing materials or flooring skeleton load-bearing material in light-duty wooden.Fill the processing of timber processing waste post-foaming therein, can sawing, can nail; In product, the pre-tubing of implanting, can place electric wire in later stage use procedure, disguised strong, good decorative property; Raw material selection bamboo wood and timber processing waste, cost is low, it is easy to obtain; Density and the air void rate of expanded material is controlled in former bamboo, has from heavy and light, good sound-absorbing, incubation and thermal insulation function.
Accompanying drawing explanation
Fig. 1 is the former bamboo root schematic diagram that former bamboo is applied in materials for wall, roofing materials or flooring;
Fig. 2 is the former bamboo ending schematic diagram that former bamboo is applied in materials for wall, roofing materials or flooring;
Fig. 3 is undressed former bamboo cross sectional representation;
Fig. 4 is former bamboo cross sectional representation after inner filled with foaming material.
The specific embodiment
Below in conjunction with the specific embodiment and accompanying drawing, the present invention will be further described:
Embodiment 1
As shown in Fig. 1～4, a kind of Mobyneb bamboo matter engineering material as light-duty wooden keel, comprise former bamboo and expanded material 2, described expanded material 2 is placed in former bamboo inside, described former bamboo is arranged between the cladding boards 4 of materials for wall, roofing materials or flooring, and connect by screw 1, the diameter of former bamboo and materials for wall, roofing materials or flooring size match, and the space forming between former bamboo and cladding boards 4 can be filled heat-insulating fireproof material 5 selectively.Described former bamboo bamboo wall 3 thickness are within the scope of 8mm～10mm.
The preparation method of the above-mentioned Mobyneb bamboo matter engineering material as light-duty wooden keel, comprises the following steps:
(1) raw material are prepared: the former bamboo that preparation and materials for wall size match, foamed adhesive, 40 object timber processing wastes;
(2) former bamboo preprocessing: by bamboo in former bamboo every remove after, by its moisture control in 8%～15% scope;
(3) expanded material preparation: according to the ratio of mass percent 20%, timber processing waste is joined in foamed adhesive, mix and be placed on former bamboo inside the processing of foaming;
(4) bamboo matter engineering material preparation: the former bamboo that inside is filled with to expanded material carries out dimensioned, processes wide along its length engineering material.
Determine and select the former bamboo of appropriate length scope according to body of wall height, in the time that former bamboo length can not meet body of wall requirement for height, by the spreading mode spreading of the large small end socket of former bamboo.Be inserted into the former bamboo that former bamboo carries out spreading, after spreading, apply metal cuff at its socket spreading end and carry out hoop constraint.
Described foamed adhesive is polyurethane; Described timber processing waste is wood wool, and the width of the wide processing of former bamboo is determined by thickness of wall body, and two its width of plane of width are more than 25mm.The density of described expanded material is 150～200kg/m
3.
The preparation method of the above-mentioned Mobyneb bamboo matter engineering material as light-duty wooden keel, comprises the following steps:
(1) raw material are prepared: the former bamboo that preparation and flooring size match, foamed adhesive, 100 object timber processing wastes;
(2) former bamboo preprocessing: by bamboo in former bamboo every remove after, by its moisture control in 15%～20% scope;
(3) expanded material preparation: according to the ratio of mass percent 70%, timber processing waste is joined in foamed adhesive, mix and be placed on former bamboo inside the processing of foaming;
(4) bamboo matter engineering material preparation: the former bamboo that inside is filled with to expanded material carries out dimensioned, processes wide along its length engineering material.
Determine and select the former bamboo of appropriate length scope according to flooring size, in the time that former bamboo length can not meet body of wall requirement for height, by the spreading mode spreading of the large small end socket of former bamboo.Be inserted into the former bamboo that former bamboo carries out spreading, after spreading, apply FRP cuff at its socket spreading end and carry out hoop constraint.
Described foamed adhesive is P-F bonding adhesive; Described timber processing waste is wood powder, and the width of the wide processing of former bamboo is determined by flooring size, and two its width of plane of width are more than 25mm.The density of described expanded material is 250～300kg/m
3.
The preparation method of the above-mentioned Mobyneb bamboo matter engineering material as light-duty wooden keel, comprises the following steps:
(1) raw material are prepared: the former bamboo that preparation and roofing materials size match, foamed adhesive, 70 object timber processing wastes;
(2) former bamboo preprocessing: by bamboo in former bamboo every remove after, by its moisture control in 12%～16% scope;
(3) expanded material preparation: according to the ratio of mass percent 50%, timber processing waste is joined in foamed adhesive, mix and be placed on former bamboo inside the processing of foaming;
(4) bamboo matter engineering material preparation: the former bamboo that inside is filled with to expanded material carries out dimensioned, processes wide along its length engineering material.
Determine and select the former bamboo of appropriate length scope according to roofing materials size, in the time that former bamboo length can not meet roofing materials dimensional requirement, by the spreading mode spreading of the large small end socket of former bamboo.Be inserted into the former bamboo that former bamboo carries out spreading, after spreading, apply FRP cuff at its socket spreading end and carry out hoop constraint.
Described foamed adhesive is melamine-urea-formaldehyde resin; Described timber processing waste is wood fiber, and the width of the wide processing of former bamboo is determined by flooring size, and two its width of plane of width are more than 25mm.The density of described expanded material is 200～250kg/m
3.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the Mobyneb bamboo matter engineering material as light-duty wooden keel, it is characterized in that: comprise former bamboo and expanded material, described expanded material is placed in former bamboo inside, described former bamboo is arranged between the cladding boards of materials for wall, roofing materials or flooring, and be connected by screw, the diameter of former bamboo and materials for wall, roofing materials or flooring thickness match, and the space forming between former bamboo and cladding boards is filled with heat-insulating fireproof material.
2. according to claim 1 as the Mobyneb bamboo matter engineering material of light-duty wooden keel, it is characterized in that: described former bamboo bamboo wall thickness is more than 6mm.
3. the preparation method who is used as the Mobyneb bamboo matter engineering material of light-duty wooden keel described in claim 1 or 2, is characterized in that: comprise the following steps:
(1) raw material are prepared: the former bamboo that preparation and materials for wall, roofing materials or flooring size match, foamed adhesive, 40～100 object timber processing wastes;
(2) former bamboo preprocessing: by bamboo in former bamboo every remove after, by its moisture control in 8%～20% scope;
(3) expanded material preparation: according to the ratio of mass percent 20%～70%, timber processing waste is joined in foamed adhesive, mix and be placed on former bamboo inside the processing of foaming;
(4) bamboo matter engineering material preparation: the former bamboo that inside is filled with to expanded material carries out dimensioned, processes wide along its length engineering material.
4. be used as according to claim 3 the preparation method of the Mobyneb bamboo matter engineering material of light-duty wooden keel, it is characterized in that: the former bamboo of determining and select appropriate length scope according to materials for wall, roofing materials or flooring size, in the time that former bamboo length can not meet body of wall requirement for height, by the spreading mode spreading of the large small end socket of former bamboo.
5. be used as according to claim 3 the preparation method of the Mobyneb bamboo matter engineering material of light-duty wooden keel, it is characterized in that: be inserted into former bamboo and carry out the former bamboo of spreading, the cuff that should apply metal or FRP material at its socket spreading end after spreading carries out hoop constraint.
6. the preparation method who is used as according to claim 3 the Mobyneb bamboo matter engineering material of light-duty wooden keel, is characterized in that: described foamed adhesive is polyurethane, P-F bonding adhesive or melamine-urea-formaldehyde resin.
7. the preparation method who is used as according to claim 3 the Mobyneb bamboo matter engineering material of light-duty wooden keel, is characterized in that: described timber processing waste comprises wood wool, wood fiber and wood powder.
8. be used as according to claim 3 the preparation method of the Mobyneb bamboo matter engineering material of light-duty wooden keel, it is characterized in that: the width of the wide processing of former bamboo is determined by the size of materials for wall, roofing materials or flooring, and two its width of plane of width are more than 25mm.
9. the preparation method who is used as according to claim 3 the Mobyneb bamboo matter engineering material of light-duty wooden keel, is characterized in that: the density of described expanded material is 150～300kg/m
3.
10. the preparation method who is used as according to claim 3 the Mobyneb bamboo matter engineering material of light-duty wooden keel, is characterized in that: when described foamed adhesive mixes with timber processing waste, add fire proofing.
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| CN201410055977.3A CN103790283B (en) | 2014-02-19 | 2014-02-19 | Preparation method of multifunctional bamboo engineering material used as light wood structure keel |
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| CN201410055977.3A CN103790283B (en) | 2014-02-19 | 2014-02-19 | Preparation method of multifunctional bamboo engineering material used as light wood structure keel |
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| CN103790283B CN103790283B (en) | 2016-07-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743598A (en) * | 2004-09-03 | 2006-03-08 | 天津市朗明通信科技有限公司 | Bamboo-made wallboard |
| US20100236171A1 (en) * | 2009-03-18 | 2010-09-23 | Liu David C | Preinstalled glue system for floor |
| CN201891193U (en) * | 2010-12-21 | 2011-07-06 | 国际竹藤网络中心 | Bamboo-wood composite wall body with sandwiched bamboo cylinders |
| CN102635194A (en) * | 2012-05-09 | 2012-08-15 | 南京林业大学 | Environment-friendly raw bamboo reinforced light bamboo composite material and processing method thereof |
| CN203808358U (en) * | 2014-02-19 | 2014-09-03 | 南京工业大学 | Multifunctional bamboo engineering material used as light wood structure keel |
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2014
- 2014-02-19 CN CN201410055977.3A patent/CN103790283B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743598A (en) * | 2004-09-03 | 2006-03-08 | 天津市朗明通信科技有限公司 | Bamboo-made wallboard |
| US20100236171A1 (en) * | 2009-03-18 | 2010-09-23 | Liu David C | Preinstalled glue system for floor |
| CN201891193U (en) * | 2010-12-21 | 2011-07-06 | 国际竹藤网络中心 | Bamboo-wood composite wall body with sandwiched bamboo cylinders |
| CN102635194A (en) * | 2012-05-09 | 2012-08-15 | 南京林业大学 | Environment-friendly raw bamboo reinforced light bamboo composite material and processing method thereof |
| CN203808358U (en) * | 2014-02-19 | 2014-09-03 | 南京工业大学 | Multifunctional bamboo engineering material used as light wood structure keel |
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Granted publication date: 20160706 Termination date: 20200219 |