CN106978884A - 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
- Publication number
- CN106978884A CN106978884A CN201710336969.XA CN201710336969A CN106978884A CN 106978884 A CN106978884 A CN 106978884A CN 201710336969 A CN201710336969 A CN 201710336969A CN 106978884 A CN106978884 A CN 106978884A
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- Prior art keywords
- timber
- small diameter
- steel tube
- light steel
- constraint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 3
- 239000002023 wood Substances 0.000 claims description 24
- 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 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 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
- 239000004744 fabric Substances 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
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000012790 adhesive layer Substances 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
- 238000009941 weaving Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000018109 developmental process Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process 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
Light steel tube constraint timber with small diameter combination load-bearing pillar and the practice can be assembled the invention discloses one kind, belongs to technical field of structural engineering;The present invention is applied to that villages and small towns are low, multilayer assembled architecture development;Light steel tube after pre-buried connection reinforcing bar casting concrete with forming external mounting template, timber with small diameter FRP carbon cloths go along with sb. to guard him constraint under bearing capacity greatly improve, the bearing capacity of rod structure can improve 30%, it is simple that construction is assembled simultaneously, due to preferably utilizing and developing timber with small diameter, environmental protection low-carbon is accomplished.
Description
Technical field
Light steel tube-constraint timber with small diameter combination load-bearing pillar and the practice can be assembled the present invention relates to one kind, belongs to structure work
Journey technical field.
Background technology
With the fast development of China's dwelling construction, to meet the housing need that the people is growing, house is promoted
Industry modernization, develops steel house, expands the occupation rate of market of steel house.Mode of construction innovation is promoted, is sent out energetically
Assembly concrete building and steel building are opened up, development Modern Wood Construction is advocated in the place satisfied the requirements, constantly carries
Ratio of the high assembled architecture in new building.It is contemplated that fabricated construction is by as the following main building shape of China
Formula.
With the continuous scarcity of resource, the problem of timber resources of China is also faced with sternness, because majority state should be through
Embargo virgin wood, therefore become impossible by imported timber, meanwhile, in use due to major diameter
The favor of timber, causes the timber of minor diameter (size is 40mm~130mm) seldom by complete exploitation and uses, most paths
Timber is by serious waste.How complete development and utilization is had become the research of current hotspot by the timber with small diameter that people ignores
Problem, the solution of this problem not only will effectively alleviate crisis of resource, and forest reserves supply and demand is also solved to a certain extent
Contradiction.
Carbon fiber turns into the emphasis that world today's material subject is studied with its excellent combination property.Research shows:Carbon is fine
The tensile strength of dimension>3500MPa, tensile modulus>230GPa, density is only 1.76~1.94g/cm, with 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, and substantial amounts of (wood) mould is needed to use in work progress
Plate, easily causes the serious waste of resource, while construction and maintenance needs the substantial amounts of duration, it is impossible to adapt to current assembled architecture
Development.Based on this, the present invention, which 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 cloths in inside holds compared to traditional concrete
Weight post, its bearing capacity is significantly improved, the characteristics of being constructed with assembling, while giving full play to and make use of timber with small diameter, is accorded with
Close the new demand of current assembled development, it is adaptable to low, multilayer assembled architecture development.
The content of the invention
There is assembling construction, simple structure, easy construction, environmental protection one it is an object of the invention to provide one kind
Light steel tube-constraint the timber with small diameter that assembles of the advantages of body combines load-bearing pillar, is held to effectively solve conventional concrete post
Loading capability is not good, and assembling efficiency is low, the low problem of resource utilization.
To achieve the above object, the present invention is adopted 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,
Wood chip filler 2, FRP carbon cloths 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, wood chip filler 2 are by FRP carbon fibers
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 in the middle of external mounting formula template;Pre-buried connection reinforcing bar
5 are arranged on the circumferential corner portion of light steel tube 6, and timber with small diameter 1 is arranged on the circular interior gone along with sb. to guard him by FRP carbon cloths 3 and filled out
Fill in the middle of structure, wood chip filler 2 is filled in the gap between timber with small diameter 1 and FRP carbon cloths 3;FRP carbon cloths 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 is processed into section in advance and is
Rectangle, is easy to making full use of for timber with small diameter, and the size dimension of rectangle is 20mm multiple, such as 20mm × 40mm, and 40mm ×
40mm, 40mm × 20mm, 20mm × 20mm, timber with small diameter 1 are filled with the middle of structure in layering interlaced arrangement;Each layer path
Bonded between timber 1 and each timber with small diameter 1 by latex.
Wood chip filler 2 is made up of wood chip, latex, fine sand, cement and water, and wood chip is when timber with small diameter 1 is pre-machined
Product, wood chip, 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, it should complete to fill work before initial set after the uniform mix of wood chip, latex, fine sand, cement, water.
The FRP carbon cloths 3 are formed by 12K carbon fiber silk weaving systems, and FRP carbon cloths 3 are bonded in external mounting template
Internal chamber wall on, to improve the effect of contraction to internal structure.It is preferably 2~3 layers to bond the number of plies, 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 extra brushing primer of overlapping regions, prevents overlapping regions from unclamping.
The concrete 4 is normal concrete or regeneration concrete, and external mounting template forms for batch production is prefabricated.It is mixed
The strength grade of solidifying soil 4 is selected as requested, when from being regeneration concrete, and coarse aggregate Replacement rate is 0-100%, fine aggregate
Do not replaced from natural sand or Machine-made Sand, i.e. fine aggregate.
The pre-buried connection reinforcing bar 5 is connection reinforcing bar when assembled is connected, and external mounting template is that batch production is prefabricated
Form.The pre-buried connection diameter of reinforcing bar 5 is preferably 12mm-14mm, and steel strength grade is more than outside HRB335, pre-buried connection reinforcing bar 5
Elongation is more than 200mm, sleeve connection during 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 circular or rectangle, it is contemplated that the later stage is easy to assembly, it is proposed that use rectangular in form, steel pipe thickness is not more than 5mm, the outer chi of steel pipe
It is very little not should be greater than 200mm.
The making side that light steel tube-constraint timber with small diameter combines load-bearing pillar is assembled using a kind of of load-bearing pillar progress is combined
Method, this method implementation process is 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, it is determined that
Correspondence corner it is pre-buried connection reinforcing bar 5 position, erect it is pre-buried connection reinforcing bar 5, backward corner casting concrete 4, maintenance formation
Exterior sheathing is assembled, assembling exterior sheathing carries out telescopic assembly connection by pre-buried connection reinforcing bar 5, and this step is prefabricated in the factory completion
External mounting formula template;
Second step, determines the position of internal interstitital texture, in outside assembled mould inside outside assembled template in advance
The inside casing cavity wall brushing adhesive glue of plate, paving FRP carbon cloths 3 paste the number of plies for 2~3 layers, lap of splice when pasting is more than
Equal to 150mm, every layer of adhesive layer brushing adhesive glue;
The timber with small diameter 1 of advance preparatory processing, timber with small diameter are filled in 3rd step, the round frame constituted to FRP carbon cloths 3
1 is adhesively fixed by latex;
4th step, the remaining clearance position between FRP carbon cloths 3 and timber with small diameter 1 pours into wood chip filler 2, i.e.,
Form light steel tube-constraint timber with small diameter combination 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 built suitable for low, multilayer assembled
The development built.Proper restraint is carried out to internal timber with small diameter by FRP carbon fibers, the carrying of center-filled structure is substantially increased
Ability, external mounting template can batch production it is prefabricated, up-down structure is contacted by pre-buried connection reinforcing bar, it is easy to assembly etc. with constructing
Feature, the timber with small diameter due to preferable development and utilization, has accomplished environmental protection low-carbon.
Brief description of the drawings
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 wood chip fillers, 3FRP carbon cloths, 4 concrete, 5 pre-buried connection reinforcing bars, 6 light sections
Pipe.
Embodiment
With reference to specific embodiment, the present invention will be further described:
As shown in Figure 1-2, one kind of the invention can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, including small
Footpath timber 1, wood chip filler 2, FRP carbon cloths 3, concrete 4, pre-buried connection reinforcing bar 5 and light steel tube 6.Inside filling is small
Footpath timber, periphery is FRP carbon cloths, while pouring wood chip filler 2 in remaining space constitutes internal interstitital texture, FRP carbon
Fiber cloth generates preferable core effect of contraction to internal timber with small diameter, the bearing capacity of structure is substantially increased, by coagulation
The outer template that soil 4, pre-buried connection reinforcing bar 4 and light steel tube 6 are constituted can realize that assembled is connected, and construct simple and convenient, together
When timber with small diameter obtain rational development and utilization, more environmental protection is suitable for low, multilayer novel building system.
Above is the exemplary embodiments of the present invention, implementation not limited to this of the invention.
Claims (8)
1. one kind can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, it is characterised in that:The combination load-bearing pillar includes small
Footpath timber (1), wood chip filler (2), FRP carbon cloths (3), concrete (4), pre-buried connection reinforcing bar (5) and light steel tube
(6);The external mounting formula template of concrete (4), pre-buried connection reinforcing bar (5) and light steel tube (6) composition combination load-bearing pillar;Path
Timber (1), wood chip filler (2) are gone along with sb. to guard him by FRP carbon cloths (3) constraint and constitute internal interstitital texture, and internal interstitital texture is set
Put in the middle of outside assembled template;Pre-buried connection reinforcing bar (5) is arranged on the circumferential corner portion of light steel tube (6), timber with small diameter
(1) it is arranged in the middle of the circular interior interstitital texture gone along with sb. to guard him by FRP carbon cloths (3), wood chip filler (2) is filled in path
Gap between timber (1) and FRP carbon cloths (3);Coagulation is filled between FRP carbon cloths (3) and light steel tube (6)
Native (4).
2. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, its 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) is processed into section in advance and is
Rectangle, is easy to making full use of for timber with small diameter, and the size dimension of rectangle is 20mm multiple;Timber with small diameter (1) is filled with
In layering interlaced arrangement in the middle of structure;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, its feature exists
In:Wood chip filler (2) is made up of wood chip, latex, fine sand, cement and water, and wood chip is production when timber with small diameter (1) is pre-machined
Thing, wood chip, 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
It should complete to fill work before initial set after 5mm-10mm, the uniform mix of wood chip, latex, fine sand, cement, water.
4. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, its feature exists
In:The FRP carbon cloths (3) are formed by 12K carbon fiber silk weaving systems, and FRP carbon cloths (3) are bonded in external mounting template
On internal chamber wall, to improve the effect of contraction to internal structure;It is preferably 2~3 layers to bond the number of plies, 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 extra 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, its feature exists
In:The concrete (4) is normal concrete or regeneration concrete, and external mounting template forms for batch production is prefabricated;Coagulation
The strength grade of native (4) is selected as requested, when from being regeneration concrete, and coarse aggregate Replacement rate is 0-100%, fine aggregate
Do not replaced from natural sand or Machine-made Sand, i.e. fine aggregate.
6. one kind according to claim 1 can assemble light steel tube-constraint timber with small diameter combination load-bearing pillar, its feature exists
In:The pre-buried connection reinforcing bar (5) is connection reinforcing bar when assembled is connected, and external mounting template is batch production is prefabricated
Into;Pre-buried connection reinforcing bar (5) diameter is preferably 12mm-14mm, and steel strength grade is more than HRB335, pre-buried connection reinforcing bar (5)
Extension is more than 200mm, sleeve connection during 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, its 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
Circular or rectangle, it is contemplated that the later stage is easy to assembly, it is proposed that use rectangular in form, and steel pipe thickness is not more than 5mm, steel pipe outside dimension
It not should be greater than 200mm.
8. assemble the making side that light steel tube-constraint timber with small diameter combines load-bearing pillar using a kind of of load-bearing pillar progress is combined
Method, it is characterised in that:This method implementation process is as follows,
The first step, positioning and erection light steel tube (6), light steel tube (6) inside is put into by the annulus punching block being pre-machined, it is determined that
The position of the pre-buried connection reinforcing bar (5) in correspondence corner, erects pre-buried connection reinforcing bar (5), backward corner casting concrete (4), it is foster
Shield forms assembling exterior sheathing, and assembling exterior sheathing carries out telescopic assembly connection by pre-buried connection reinforcing bar (5), and this step is in factory
Prefabricated completion external mounting formula template;
Second step, determines the position of internal interstitital texture, in outside assembled template inside outside assembled template in advance
Inside casing cavity wall brushing adhesive glue, paving FRP carbon cloths (3) paste the number of plies for 2~3 layers, and lap of splice when pasting is more than etc.
In 150mm, every layer of adhesive layer brushing adhesive glue;
The timber with small diameter (1) of the advance preparatory processing of filling, timber with small diameter in 3rd step, the round frame constituted to FRP carbon cloths (3)
(1) it is adhesively fixed by latex;
4th step, the remaining clearance position between FRP carbon cloths (3) and timber with small diameter (1) pours into wood chip filler (2),
Form light steel tube-constraint timber with small diameter combination load-bearing pillar.
Priority Applications (1)
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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 |
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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 |
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CN106978884A true CN106978884A (en) | 2017-07-25 |
CN106978884B CN106978884B (en) | 2018-11-30 |
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Cited By (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 |
CN108894326A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | A kind of combined member and assemble method |
CN108894328A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | A kind of novel combined column and assemble method |
CN109208823A (en) * | 2018-11-12 | 2019-01-15 | 安徽工程大学 | It is a kind of can quick assembling built-in steel-case formula steel core concrete column and its production technology |
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 |
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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 |
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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 |
CN104631704A (en) * | 2014-12-30 | 2015-05-20 | 南京林业大学 | Porous FRP or composite bamboo tube biomass hollow raw bamboo cylinder and preparation method thereof |
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 |
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 |
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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 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN108894326A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | A kind of combined member and assemble method |
CN108894328A (en) * | 2018-07-24 | 2018-11-27 | 沈阳建筑大学 | A kind of novel combined column and assemble method |
CN109208823A (en) * | 2018-11-12 | 2019-01-15 | 安徽工程大学 | It is a kind of can quick assembling built-in steel-case formula steel core concrete column and its production technology |
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 |
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