CN106978884B - One kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice - Google Patents
One kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice Download PDFInfo
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- CN106978884B CN106978884B CN201710336969.XA CN201710336969A CN106978884B CN 106978884 B CN106978884 B CN 106978884B CN 201710336969 A CN201710336969 A CN 201710336969A CN 106978884 B CN106978884 B CN 106978884B
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- Prior art keywords
- timber
- small diameter
- steel tube
- light steel
- constraint
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 3
- 239000000945 filler Substances 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 12
- 239000004816 latex Substances 0.000 claims description 10
- 229920000126 latex Polymers 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 9
- 239000004917 carbon fiber Substances 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010923 batch production Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000018109 developmental process Effects 0.000 description 6
- 238000011160 research Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice, belongs to technical field of structural engineering；The present invention low, multilayer assembled architecture development suitable for villages and small towns；External mounting template is formed after light steel tube and pre-buried connection reinforcing bar casting concrete, timber with small diameter FRP carbon cloth go along with sb. to guard him constraint under bearing capacity greatly improve, the bearing capacity of rod structure can be improved 30%, construction is simple is assembled simultaneously, due to preferably using and develop timber with small diameter, accomplished environmentally protective low-carbon.
Description
Technical field
The present invention relates to one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice, belongs to structure work
Journey technical field.
Background technique
As the fast development of China's dwelling construction promotes house to meet the growing housing need of the people
Industry modernization develops steel house, expands the occupation rate of market of steel house.Mode of construction innovation is pushed, is sent out energetically
Assembly concrete building and steel building are opened up, development Modern Wood Construction is advocated in the place to satisfy the requirements, constantly mentions
The ratio of high assembled architecture in newly constructed buildings.It is contemplated that fabricated construction will become the following main building shape in China
Formula.
With the continuous scarcity of resource, the timber resources in China is also faced with severe problem, since majority state should be through
Embargo virgin wood, therefore dependence imported timber has become impossible, meanwhile, in use due to major diameter
The favor of timber causes the timber of minor diameter (having a size of 40mm~130mm) seldom completely to be developed and used, most paths
Timber is by serious waste.How the research that by timber with small diameter that people ignore is had become current hotspot is completely developed and utilized
Problem, the solution of this problem not only will effectively alleviate crisis of resource, also solve forest reserves supply and demand to a certain extent
Contradiction.
Carbon fiber becomes the emphasis of world today's material subject research with its excellent comprehensive performance.Research shows that：Carbon fiber
The tensile strength of dimension>3500MPa, tensile modulus>230GPa, density are only 1.76~1.94g/cm, have excellent mechanical property
Energy and overall characteristic；Carbon fiber is used widely in building, the energy etc. field and industry.
Traditional reinforced column structural bearing capacity is generally poor, is needed in work progress using a large amount of (wood) mould
Plate be easy to cause the serious waste of resource, while construction and maintenance needs a large amount of duration, can not adapt to current assembled architecture
Development.Based on this, the invention proposes one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, light section pipe portion
Part as outside can assembly template, the filling timber with small diameter that is constrained by FRP carbon cloth in inside holds compared to traditional concrete
Weight column, bearing capacity significantly improve, and have the characteristics that assembling construction, while giving full play to and being utilized timber with small diameter, accord with
Close the new demand of current assembled development, the development suitable for low multilayer assembled architecture.
Summary of the invention
The purpose of the present invention is to provide one kind have assembling construction, simple structure, it is easy for construction, environmentally protective one
The advantages that body, assembles light steel tube-constraint timber with small diameter combination load-bearing pillar, holds to effectively solve conventional concrete column
The problems such as loading capability is bad, assembling low efficiency, resource utilization is low.
To achieve the above object, the present invention adopts the following technical scheme that：
One kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, the combination load-bearing pillar include timber with small diameter 1,
Sawdust filler 2, FRP carbon cloth 3, concrete 4, pre-buried connection reinforcing bar 5 and light steel tube 6；Concrete 4, pre-buried connection steel
The external mounting formula template of muscle 5 and the composition combination load-bearing pillar of light steel tube 6；Timber with small diameter 1, sawdust filler 2 are by FRP carbon fiber
The internal interstitital texture of composition is gone along with sb. to guard him in the constraint of cloth 3, and internal interstitital texture is arranged among external assembled template；Pre-buried connection reinforcing bar
5 are arranged in the circumferential corner portion of light steel tube 6, and timber with small diameter 1 is arranged in be filled out by the circular interior that FRP carbon cloth 3 is gone along with sb. to guard him
It fills among structure, sawdust filler 2 is filled in the gap between timber with small diameter 1 and FRP carbon cloth 3；FRP carbon cloth 3
Concrete 4 is filled between light steel tube 6.
The timber with small diameter 1 is the timber that diameter outside bark is 40mm~80mm, and timber with small diameter 1, which is processed into section, in advance is
Rectangle, convenient for making full use of for timber with small diameter, the size dimension of rectangle is the multiple of 20mm, such as 20mm × 40mm, 40mm ×
40mm, 40mm × 20mm, 20mm × 20mm, timber with small diameter 1 are filled among structure in layering interlaced arrangement；Each layer path
It is bonded between timber 1 and each timber with small diameter 1 by latex.
Sawdust filler 2 is made of sawdust, latex, fine sand, cement and water, and sawdust is when timber with small diameter 1 is pre-machined
Product, sawdust, latex, fine sand, cement, water are according to 1:1:0.25:0.25:0.05 carries out uniform mix, the particle diameter of fine sand
For 5mm-10mm, filling work should be completed after the uniform mix of sawdust, latex, fine sand, cement, water before initial set.
The FRP carbon cloth 3 is woven by 12K carbon fiber wire, and FRP carbon cloth 3 is bonded in external mounting template
Internal chamber wall on, to improve to the effect of contraction of internal structure.Bonding the number of plies is preferably 2~3 layers, every layer of FRP carbon fiber when pasting
Cloth 3 need to be overlapped, and the lap of splice is not less than 150mm, and the additional brushing primer of overlapping regions, prevent overlapping regions from unclamping.
The concrete 4 is normal concrete or regeneration concrete, and external mounting template, which is that batch production is prefabricated, to be formed.It is mixed
The strength grade of solidifying soil 4 is according to requiring to select, and when selecting is regeneration concrete, coarse aggregate Replacement rate is 0-100%, fine aggregate
Natural sand or Machine-made Sand, i.e. fine aggregate is selected not to replace.
The pre-buried connection reinforcing bar 5 is connection reinforcing bar when assembled connects, and external mounting template is that batch production is prefabricated
It forms.Pre-buried 5 diameter of connection reinforcing bar is preferably 12mm-14mm, and steel strength grade is greater than HRB335, pre-buried to connect the outer of reinforcing bar 5
Elongation is greater than 200mm, sleeve connection when construction convenient for assembly.
The light steel tube 6 is structure outermost steel pipe, and external mounting template is precast construction.The section of light steel tube 6
For round or rectangle, it is contemplated that the later period is easy to assembly, it is proposed that use rectangular in form, steel pipe thickness is not more than 5mm, the outer ruler of steel pipe
It is very little to should not exceed 200mm.
Light steel tube-constraint timber with small diameter combination load-bearing pillar production side can be assembled using one kind that combination load-bearing pillar carries out
Method, this method implementation process are as follows：
The first step, positioning and erection light steel tube 6, the annulus punching block being pre-machined is put into inside light steel tube 6, is determined
The position of the corresponding pre-buried connection reinforcing bar 5 in quadrangle, erects pre-buried connection reinforcing bar 5, backward quadrangle casting concrete 4, conserve formation
Exterior sheathing is assembled, assembly exterior sheathing carries out telescopic assembly connection by pre-buried connection reinforcing bar 5, this step is prefabricated in the factory completion
External mounting formula template；
Second step determines the position of internal interstitital texture, in external assembled mould inside external assembled template in advance
The inside casing cavity wall brushing adhesive glue of plate, paving FRP carbon cloth 3, pasting the number of plies is 2~3 layers, and lap of splice when pasting is greater than
Equal to 150mm, every layer of adhesive layer brushing adhesive glue；
Third step fills the timber with small diameter 1 of preparatory preparatory processing, timber with small diameter into the round frame of the composition of FRP carbon cloth 3
1 is adhesively fixed by latex；
4th step, the remaining clearance position between FRP carbon cloth 3 and timber with small diameter 1 pour into sawdust filler 2, i.e.,
It forms light steel tube-constraint timber with small diameter and combines load-bearing pillar.
One kind of the present invention can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and be suitable for low, multilayer assembled and build
The development built.Proper restraint is carried out to internal timber with small diameter by FRP carbon fiber, substantially increases the carrying of center-filled structure
Ability, external mounting template can batch production it is prefabricated, up-down structure is contacted by pre-buried connection reinforcing bar, have construct it is easy to assembly etc.
Feature has accomplished environmentally protective low-carbon due to preferably having developed and utilized timber with small diameter.
Detailed description of the invention
Fig. 1 is that one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar sectional view.
Fig. 2 one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar elevation.
In figure：1 timber with small diameter, 2 sawdust fillers, 3FRP carbon cloth, 4 concrete, 5 pre-buried connection reinforcing bars, 6 light sections
Pipe.
Specific embodiment
The present invention will be further described combined with specific embodiments below：
As shown in Figs. 1-2, one kind of the invention can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, including small
Diameter timber 1, sawdust filler 2, FRP carbon cloth 3, concrete 4, pre-buried connection reinforcing bar 5 and light steel tube 6.Inside filling is small
Diameter timber, periphery is FRP carbon cloth, while pouring sawdust filler 2 in remaining gap and forming internal interstitital texture, FRP carbon
Fiber cloth produces preferable core effect of contraction to internal timber with small diameter, the bearing capacity of structure is substantially increased, by coagulation
Soil 4, pre-buried connection reinforcing bar 4 may be implemented assembled with the outer template that light steel tube 6 forms and connect, and construction is simple is convenient, together
When timber with small diameter reasonably developed and utilized, it is more environmentally protective, be suitable for low, multilayer novel building system.
It is an exemplary embodiments of the invention above, implementation of the invention is without being limited thereto.
Claims (8)
1. one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, the combination load-bearing pillar include timber with small diameter (1),
Sawdust filler (2), FRP carbon cloth (3), concrete (4), pre-buried connection reinforcing bar (5), timber with small diameter (1), sawdust filler
(2) it is gone along with sb. to guard him by FRP carbon cloth (3) constraint and forms internal interstitital texture, internal interstitital texture is arranged in external assembled template
It is intermediate；Timber with small diameter (1) is arranged among the circular interior interstitital texture gone along with sb. to guard him by FRP carbon cloth (3), sawdust filler
(2) it is filled in the gap between timber with small diameter (1) and FRP carbon cloth (3)；It is characterized in that：It further include light steel tube
(6)；Concrete (4), pre-buried connection reinforcing bar (5) and light steel tube (6) composition combine the external mounting formula template of load-bearing pillar；It is pre-buried
Reinforcing bar (5) setting is connected, in the circumferential corner portion of light steel tube (6), to fill between FRP carbon cloth (3) and light steel tube (6)
There are concrete (4).
2. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, feature exists
In：The timber with small diameter (1) is the timber that diameter outside bark is 40mm~80mm, and timber with small diameter (1), which is processed into section, in advance is
Rectangle, convenient for making full use of for timber with small diameter, the size dimension of rectangle is the multiple of 20mm；Timber with small diameter (1) is filled with
In layering interlaced arrangement among structure；It is glued between each layer timber with small diameter (1) and each timber with small diameter (1) by latex
Knot.
3. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, feature exists
In：Sawdust filler (2) is made of sawdust, latex, fine sand, cement and water, and sawdust is production when timber with small diameter (1) is pre-machined
Object, sawdust, latex, fine sand, cement, water are according to 1:1:0.25:0.25:0.05 carries out uniform mix, and the particle diameter of fine sand is
5mm-10mm should complete filling work after the uniform mix of sawdust, latex, fine sand, cement, water before initial set.
4. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, feature exists
In：The FRP carbon cloth (3) is woven by 12K carbon fiber wire, and FRP carbon cloth (3) is bonded in external mounting template
On internal chamber wall, to improve the effect of contraction to internal structure；Bonding the number of plies is preferably 2~3 layers, every layer of FRP carbon cloth when pasting
(3) it need to be overlapped, the lap of splice is not less than 150mm, and the additional brushing primer of overlapping regions, prevents overlapping regions from unclamping.
5. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, feature exists
In：The concrete (4) is normal concrete or regeneration concrete, and external mounting template, which is that batch production is prefabricated, to be formed；Coagulation
The strength grade of native (4) is according to requiring to select, and when selecting is regeneration concrete, coarse aggregate Replacement rate is 0-100%, fine aggregate
Natural sand or Machine-made Sand, i.e. fine aggregate is selected not to replace.
6. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, feature exists
In：Pre-buried connection reinforcing bar (5) is connection reinforcing bar when assembled connects, external mounting template for batch production is prefabricated and
At；Pre-buried connection reinforcing bar (5) diameter is preferably 12mm-14mm, and steel strength grade is greater than HRB335, pre-buried connection reinforcing bar (5)
Extension is greater than 200mm, sleeve connection when construction convenient for assembly.
7. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, feature exists
In：The light steel tube (6) is structure outermost steel pipe, and external mounting template is precast construction；The section of light steel tube (6) is
Round or rectangle, it is contemplated that the later period is easy to assembly, it is proposed that use rectangular in form, steel pipe thickness is not more than 5mm, steel pipe outside dimension
It should not exceed 200mm.
8. light steel tube-constraint timber with small diameter combination load-bearing pillar production side can be assembled using one kind that combination load-bearing pillar carries out
Method, it is characterised in that：This method implementation process is as follows,
The annulus punching block being pre-machined is put into light steel tube (6) inside, determined by the first step, positioning and erection light steel tube (6)
The position of corresponding pre-buried connection reinforcing bar (5) in quadrangle, erects pre-buried connection reinforcing bar (5), backward quadrangle casting concrete (4), it is feeding
Shield forms assembly exterior sheathing, and assembly exterior sheathing carries out telescopic assembly connection by pre-buried connection reinforcing bar (5), this step is in factory
Prefabricated completion external mounting formula template；
Second step determines the position of internal interstitital texture, in external assembled template inside external assembled template in advance
Inside casing cavity wall brushing adhesive glue, paving FRP carbon cloth (3), pasting the number of plies is 2~3 layers, and lap of splice when pasting is greater than etc.
In 150mm, every layer of adhesive layer brushing adhesive glue；
Third step, the timber with small diameter (1) of the preparatory preparatory processing of the interior filling of the round frame formed to FRP carbon cloth (3), timber with small diameter
(1) it is adhesively fixed by latex；
4th step, the remaining clearance position between FRP carbon cloth (3) and timber with small diameter (1) pour into sawdust filler (2),
Form light steel tube-constraint timber with small diameter combination load-bearing pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336969.XA CN106978884B (en) | 2017-05-14 | 2017-05-14 | One kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336969.XA CN106978884B (en) | 2017-05-14 | 2017-05-14 | One kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice |
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| Publication Number | Publication Date |
|---|---|
| CN106978884A CN106978884A (en) | 2017-07-25 |
| CN106978884B true CN106978884B (en) | 2018-11-30 |
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| CN201710336969.XA Expired - Fee Related CN106978884B (en) | 2017-05-14 | 2017-05-14 | One kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901169A (en) * | 2017-11-22 | 2018-04-13 | 中南林业科技大学 | A kind of bamboo reinforcement solid wood combined hollow column and preparation method thereof |
| CN108894328A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | A kind of novel combined column and assemble method |
| CN108894326A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | A kind of combined member and assemble method |
| CN109208823B (en) * | 2018-11-12 | 2024-03-08 | 安徽工程大学 | Quick-assembly built-in steel box type concrete filled steel tube column and production process thereof |
| CN110984608A (en) * | 2019-11-07 | 2020-04-10 | 江苏大学 | Method for reinforcing wood structure column and reinforced wood structure column structure |
| CN117127755A (en) * | 2023-09-25 | 2023-11-28 | 中南大学 | Bamboo-like outer constraint support tube concrete column |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507176C (en) * | 2007-12-06 | 2009-07-01 | 合肥工业大学 | Steel pipe-FRP pipe core concrete combination structure |
| US8650831B2 (en) * | 2011-07-14 | 2014-02-18 | Mohammad R. Ehsani | Reconstruction methods for structural elements |
| CN102704622A (en) * | 2012-04-25 | 2012-10-03 | 南京林业大学 | FRP (fiber reinforced plastic), concrete and hollow original bamboo cylindrical beam |
| CN103953162A (en) * | 2014-04-14 | 2014-07-30 | 北京工业大学 | Light steel-undersized log-carbon fiber combined load-bearing pillar with rectangular section and preparation method thereof |
| CN103967215B (en) * | 2014-04-14 | 2016-10-26 | 北京工业大学 | Light steel-timber with small diameter-carbon fibers the load-bearing pillar of circular cross-section and the practice |
| CN104631704B (en) * | 2014-12-30 | 2016-09-14 | 南京林业大学 | Porous FRP or compound bamboo cylinder biomass hollow original bamboo cylinder |
| CN105201143A (en) * | 2015-10-16 | 2015-12-30 | 沈阳建筑大学 | Carbon fiber thin-wall steel tube concrete composite column with internal FRP sectional material and method |
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