CN107419850A - A kind of wooden compound beam of steel and preparation method - Google Patents
A kind of wooden compound beam of steel and preparation method Download PDFInfo
- Publication number
- CN107419850A CN107419850A CN201710567767.6A CN201710567767A CN107419850A CN 107419850 A CN107419850 A CN 107419850A CN 201710567767 A CN201710567767 A CN 201710567767A CN 107419850 A CN107419850 A CN 107419850A
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- China
- Prior art keywords
- steel
- wood
- wood materials
- shaped steel
- preparation
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
Abstract
The compound beam of steel wood of the present invention is, to the wood materials adjusted by moisture content and be machined to certain size shaped steel handle after, realized using connector or adhesive compound, the compound beam of steel wood be made.The component of the invention can give full play to wood materials and the respective superior function of steel, improve the bearing capacity and stiffness of component beam, can effectively reduce the beam section area of large span timber structure, while simple process, prefabricated can produce, have higher feasibility.
Description
Technical field:
The present invention relates to a kind of steel wood composite beam and preparation method thereof, is a kind of the new of steel and wood composite form specifically
Type beam and the method that shaped steel, wood materials are compounded to form to the compound beam of steel wood using connector or adhesive, are belonged to
Timber engineering technical field.
Background technology:
World today's building trade is looked about, people are increasingly concerned about ecological environment problem.Timber is environmentally friendly as one kind, natural
Construction material obtains the favor of more architects.Meanwhile steel construction is also a kind of efficient, quick, economy, ring of sustainable development
Guarantor's type building structure.Timber structure has respective advantage and defect with steel construction, and timber buildings have heat preservation energy-saving, shock resistance
The features such as good, but the anisotropy of wooden component and Dry Shrinkage Performance cause its machining accuracy and dimensional stability not as good as steel member;Steel
Structural behaviour is stable, intensity is high, but steel member has phenomena such as heat mutability, generation momentary breakdown.The present invention combines timber
Excellent environmentology characteristic and it is light, have the characteristics that damage alarm and steel it is high-strength, stable the features such as, it is proposed that steel wood is multiple
Close the concept of beam.
The external research on steel wood composite component performance is in the starting stage, and related document is less.Domestic steel wood is multiple
The research for closing component is broadly divided into two kinds:First, wood panel is layed in into light reinforced bar frame top, pass through horizontal concentrfated load
Slow test under effect finds that the addition of wood panel can preferably distribute horizontal load.Second, substitute steel construction with timber
In members, make timber be primarily subjected to axial compressive force effect, make full use of the measuring body advantage performance of steel tension, timber.
The content of the invention:
The purpose of the present invention is to propose to compound beam of a kind of Novel steel wood and preparation method thereof.The component can fully be sent out
Timber and the respective superior function of steel are waved, the bearing capacity and stiffness of component beam is improved, large span timber structure can be effectively reduced
Beam section area.The preparation method simple possible, easy to process, achievable prefabrication.
The purpose of the present invention is achieved through the following technical solutions.
1. a kind of compound beam of steel wood, including shaped steel and wood materials, it is characterized in that to two kinds of shaped steel and wood materials
Part is attached, and collectively constitutes beam.
2. the steel wood COMPOSITE CONSTRUCTION BEAMS of the present invention, it is characterized in that the preparation method of the beam comprises the following steps:
A) wood materials of appropriate size, moisture content are prepared:By wood materials after pretreatment, regulation moisture content to
12%, reprocess to appropriate size;
B) appropriate size, the shaped steel of model are prepared:The shaped steel of different model is selected according to demand, at antirust, fire prevention
Manage and be machined to appropriate size;
C) when using connector connection, punched on shaped steel:With rig on shaped steel lower flange two
STH, perforate can one drain into it is multiple rows of, also can not be according to arranged in a straight line;Bore dia is depending on connector model is used, Kong Jian
Away from being not less than 10mm not less than 150mm, hole back gauge;
D) when using connector connection, drilled on wood materials:It is thick on wood materials edge edge with rig
Degree direction is opened through hole, the number of openings and position and corresponded with shaped steel, and bore dia is according to using depending on connector model;
E) when using adhesive connection, it is glued in joint face:Flange surfaces are entered above and below wooden material surface and shaped steel
Row applying glue, resin added is depending on adhesive type and property;
F) shaped steel and wood materials are connected:When using connector connection, the hole of align shaped steel and wood materials
Position, is fixed using connector, the compound beam of composition steel wood;When using adhesive connection, according to Adhensive performance, phase is used
The adhesive technology answered is glued.
G) health is stacked:Stacking health is carried out to connecting elements.
3. the above-mentioned compound beam of steel wood, the moisture content of wood materials is 12%.
4. the above-mentioned compound beam of steel wood, shaped steel is hot rolling type I-steel, hot rolling type H profile steel, cold-formed thin-walled C steel etc.
Steel member.
5. the above-mentioned compound beam of steel wood, wood materials are the engineered wood materials such as sawn timber, integrated timber, laminated veneer lumber
Material.
6. the compound beam of above-mentioned steel wood, shaped steel can one side connection wood materials, also can the wooden material of two-sided connection up and down
Material.
7. the above-mentioned compound beam of steel wood, connector can be used to be attached for shaped steel and wood materials, it is possible to use glue
Stick is attached.
8. above-mentioned preparation method, the pretreatment of wood materials is chemical agent dipping, top finishing etc..
9. above-mentioned preparation method, wood materials can prebored hole, also can not prebored hole.
10. above-mentioned preparation method, the web of two C-type steels need to mutually be leaned on using during cold-formed thin-walled C steel, pass through connection
Part or adhesive connection, form the I-shaped section shaped steel for thickening web.
11. above-mentioned preparation method, prebored hole need to be carried out to shaped steel, depending on bore dia connector size needed for, hole
Spacing is not less than 150mm, and hole back gauge is not less than 10mm.
12. above-mentioned preparation method, the type of connector is rivet, bolt, high-strength bolt, screw, tapping screw.
13. above-mentioned preparation method, during using integrated timber as wood materials, glue-line can also may be used parallel to shape steel web
Perpendicular to glue-line web.
14. above-mentioned preparation method, when stacking health, it is respectively 20 ± 5 that connecting elements, which is put into temperature and relative humidity,
DEG C, 24~240 hours in 50%~70% environment.
Brief description of the drawings:
Fig. 1 is a kind of section form of steel wood composite beam in the present invention.
Embodiment:
With reference to Fig. 1, the present invention is further illustrated by taking a kind of steel wood composite beam as an example.
The compound beam construction of steel wood is as follows.
1. the moisture content of wood materials is 12%.
2. wood materials are China fir sawn timber, sawn timber sectional dimension is 38*139mm, length 6m.
3. the shaped steel used is hot rolling type H profile steel, the sectional dimension of H profile steel is 200mm*150mm, length 6m.
4. the composite beam of steel wood shown in Fig. 1 is the steel wood composite beam of two-sided connection wood materials.
The processing step of steel wood composite beam is as follows.
1. prepare wood materials:
Wood materials are SPF dimension stocks, are dried to 12% moisture content.
2. prepare shaped steel:
For the shaped steel used for hot rolling type H profile steel, the sectional dimension of H profile steel is 200mm*150mm, length 6m.
3. pair material for completing to prepare punches:
The wood materials and shaped steel of steel wood composite beam shown in Fig. 1 are punched;The shaped steel used is hot rolling type H type
Steel, pitch of holes 200mm;Hole back gauge is 30mm.
4. prepare connector
The connector that steel wood composite beam shown in Fig. 1 uses is bolt, a diameter of 6mm of bolt, length 60mm.
5. connect shaped steel and wood materials:
H profile steel of aliging and SPF prebored holes, use bolt connection.It is compound that two kinds of materials collectively constitute steel wood after being connected
Beam.
6. stack health
When stacking health, the compound beam of steel wood is put into temperature and relative humidity is respectively 20 DEG C, in 60% environment
10 days.
7. test data shows, the bearing capacity ratio simple form girder steel element of the compound beam of steel wood is higher by 13.4%~
27.7%, illustrate that the compound beam of steel wood can effectively improve the bearing capacity of beam.
Claims (14)
1. a kind of compound beam of steel wood, including shaped steel and wood materials, it is characterized in that to two kinds of parts of shaped steel and wood materials
It is attached, collectively constitutes beam.
2. the steel wood COMPOSITE CONSTRUCTION BEAMS of the present invention, it is characterized in that the preparation method of the beam comprises the following steps:
A) wood materials of appropriate size, moisture content are prepared:By wood materials after pretreatment, regulation moisture content to 12%,
Reprocess to appropriate size;
B) appropriate size, the shaped steel of model are prepared:The shaped steel of different model is selected according to demand, by antirust, fire prevention processing simultaneously
It is machined to appropriate size;
C) when using connector connection, punched on shaped steel:Opened the both sides of lower flange on shaped steel with rig
Hole, perforate can one drain into it is multiple rows of, also can not be according to arranged in a straight line;Bore dia is according to using depending on connector model, and pitch of holes is not
Less than 150mm, hole back gauge is not less than 10mm;
D) when using connector connection, drilled on wood materials:With rig in wood materials edge along thickness side
Corresponded to through hole, the number of openings and position is opened with shaped steel, bore dia is according to using depending on connector model;
E) when using adhesive connection, it is glued in joint face:Flange surfaces are applied above and below wooden material surface and shaped steel
Glue, resin added is depending on adhesive type and property;
F) shaped steel and wood materials are connected:When using connector connection, the hole position of align shaped steel and wood materials, make
Fixed with connector, the compound beam of composition steel wood;When using adhesive connection, according to Adhensive performance, using corresponding
Adhesive technology is glued.
G) health is stacked:Stacking health is carried out to connecting elements.
3. the compound beam of steel wood as claimed in claim 1, it is characterized in that, the moisture content of wood materials is 12%.
4. the compound beam of steel wood as claimed in claim 1, it is characterized in that, shaped steel is hot rolling type I-steel, hot rolling type H types
The steel members such as steel, cold-formed thin-walled C steel.
5. the compound beam of steel wood as claimed in claim 1, it is characterized in that, wood materials are sawn timber, integrated timber, laminated veneer lumber
The engineered wood materials such as material.
6. the compound beam of steel as claimed in claim 1 wood, it is characterized in that, shaped steel can one side connection wood materials, also can on
Under two-sided connection wood materials.
7. the compound beam of steel wood as claimed in claim 1, it is characterized in that, connector can be used to carry out for shaped steel and wood materials
Connection, it is possible to use adhesive is attached.
8. the preparation method as shown in claim 2, it is characterized in that, the pretreatment of wood materials is chemical agent dipping, surface
Cover with paint, lacquer, colour wash, etc. etc..
9. the preparation method as shown in claim 2, it is characterized in that, wood materials can prebored hole, also can not prebored hole.
10. the preparation method as shown in claim 2, it is characterized in that, using need to be by two C-type steels during cold-formed thin-walled C steel
Web mutually leans on, and is connected by connector or adhesive, forms the I-shaped section shaped steel for thickening web.
11. the preparation method as shown in claim 2, it is characterized in that, prebored hole need to be carried out to shaped steel, bore dia connects needed for
Depending on fitting size, pitch of holes is not less than 150mm, and hole back gauge is not less than 10mm.
12. the preparation method as shown in claim 2, it is characterized in that, the type of connector is rivet, bolt, high-strength bolt, spiral shell
Nail, tapping screw.
13. the preparation method as shown in claim 2, it is characterized in that, during using integrated timber as wood materials, glue-line can be parallel
, also can be perpendicular to glue-line web in shape steel web.
14. the preparation method as shown in claim 2, it is characterized in that, when stacking health, connecting elements is put into temperature and relative
Humidity is respectively 20 ± 5 DEG C, 24~240 hours in 50%~70% environment.
Beam made from a kind of any preparation method with described in claim 1~14.
Priority Applications (1)
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CN201710567767.6A CN107419850A (en) | 2017-07-12 | 2017-07-12 | A kind of wooden compound beam of steel and preparation method |
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CN201710567767.6A CN107419850A (en) | 2017-07-12 | 2017-07-12 | A kind of wooden compound beam of steel and preparation method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108425461A (en) * | 2018-03-10 | 2018-08-21 | 中南林业科技大学 | A kind of novel steel and wood composite structural column and its manufacturing method |
CN108532828A (en) * | 2018-03-10 | 2018-09-14 | 中南林业科技大学 | A kind of steel and wood composite structural beams |
CN108824698A (en) * | 2018-07-18 | 2018-11-16 | 西南科技大学 | A kind of production method of built-in thin wall H shaped steel clark beam |
CN115012525A (en) * | 2022-07-04 | 2022-09-06 | 中南林业科技大学 | Frame structure for building |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09151568A (en) * | 1995-11-30 | 1997-06-10 | Matsushita Electric Works Ltd | Member for building structure |
CN102926505A (en) * | 2011-08-09 | 2013-02-13 | 同济大学 | Combination beam member |
-
2017
- 2017-07-12 CN CN201710567767.6A patent/CN107419850A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09151568A (en) * | 1995-11-30 | 1997-06-10 | Matsushita Electric Works Ltd | Member for building structure |
CN102926505A (en) * | 2011-08-09 | 2013-02-13 | 同济大学 | Combination beam member |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108425461A (en) * | 2018-03-10 | 2018-08-21 | 中南林业科技大学 | A kind of novel steel and wood composite structural column and its manufacturing method |
CN108532828A (en) * | 2018-03-10 | 2018-09-14 | 中南林业科技大学 | A kind of steel and wood composite structural beams |
CN108824698A (en) * | 2018-07-18 | 2018-11-16 | 西南科技大学 | A kind of production method of built-in thin wall H shaped steel clark beam |
CN115012525A (en) * | 2022-07-04 | 2022-09-06 | 中南林业科技大学 | Frame structure for building |
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