CN110359563A - A kind of splicing bushing type node for FRP beam-to-column joint - Google Patents
A kind of splicing bushing type node for FRP beam-to-column joint Download PDFInfo
- Publication number
- CN110359563A CN110359563A CN201910565600.5A CN201910565600A CN110359563A CN 110359563 A CN110359563 A CN 110359563A CN 201910565600 A CN201910565600 A CN 201910565600A CN 110359563 A CN110359563 A CN 110359563A
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- frp
- pair
- column
- strength
- frp beam
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- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 230000035515 penetration Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 description 3
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 101710107464 Probable pyruvate, phosphate dikinase regulatory protein, chloroplastic Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/28—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of other material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention discloses a kind of splicing bushing type nodes for FRP beam-to-column joint, belong to technical field of civil, including FRP column, FRP beam, end plate, side plate, casing, it is high-strength to penetrate bolt, high-strength friction-type bolt, first conventional stud hole, second conventional stud hole and epoxide-resin glue, end plate is equipped with a pair, and a pair of end plate is connected to the left and right sides of FRP column, the left and right sides of FRP column and a pair of end plate offer four pair of first conventional stud hole, the high-strength bolt that penetrates is equipped with six pairs, and wherein four pairs of high-strength bolts that penetrate are threadedly connected to respectively between four pair of first conventional stud hole, side plate is equipped with a pair, and a pair of side plates is connected to the front and rear sides of FRP column, the front and rear sides of FRP column and a pair of side plates offer two pair of first conventional stud hole, it can prevent rarely occurred earthquake from making Brittle break occurs in node area with lower FRP beam or FRP column.
Description
Technical field
The present invention relates to technical field of civil, more specifically to a kind of splicing set for FRP beam-to-column joint
Tubular type node.
Background technique
FRP, fibre-reinforced plastics are the abbreviations of English (Fiber Reinforced Plastics), existing
CFRP, GFRP, AFRP, BFRP etc., that glass reinforced plastic refers in Chinese is exactly GFRP, and FRP composite material is by fibrous material and matrix
The high-performance profile material that material is formed after mixing according to a certain percentage, wherein GFRP is different according to used resin variety, has
The types such as organic toughened glass, fiber glass epoxy, phenolic fiberglass reinforced plastics, general FRP have light and hard, non-conductive, high mechanical strength,
Recycle few, the characteristics such as corrosion-resistant.
Since FRP is a kind of linear elastic materials, itself energy dissipation capacity is lower, often leads to node brittleness and FRP frame
Premature failure constrains the application and development of the system so that the performance of frame is not in full use, in order to improve FRP frame
The anti-seismic performance of frame need to seek a kind of FRP frame joint of suitable ductility, by reasonably being set to FRP frame joint
It counts (such as the method for passing through assembling) and shock resistance is transferred to component and structure itself from material, even if FRP material is with crisp
The non-linear energy consumption of FRP component or structure also may be implemented in elastic property, and in order to meet this needs, current some scholars are mentioned
Some novel joint forms are gone out, referring to Fig. 4, wherein (a) standard connection；(b) bolt penetrates connection；(c) steel connects；(d)
Gusset reinforces connection；(e) approximate cuff connection；(f) cuff connects, and the Research Thinking of these novel joints is almost the same, is all
Node is suitably designed, anti-seismic performance is transferred in the configuration of component or structure from the crisp elasticity of FRP material, passes through
The deformation of steel end plate and glue carries out non-linear energy consumption, to avoid node that brittle break occurs, reaches " the strong weak component of node "
Aseismic Design principle, whether according to junction using being glued, can be classified as two major classes: one kind is screw bolt-type node, another kind of
It is to be glued screw bolt-type node, although ductility increases latter node to a certain extent, ductile performance far can not expire
The antidetonation demand of sufficient rarely occurred earthquake.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of glue for FRP beam-to-column joint
Female connector tubular type node can prevent rarely occurred earthquake from acting on lower FRP beam or FRP column and brittle break occurs in node area.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of splicing bushing type node for FRP beam-to-column joint, including FRP column, FRP beam, end plate, side plate, casing, height
Bolt, high-strength friction-type bolt, the first conventional stud hole, the second conventional stud hole and epoxide-resin glue, the end plate are penetrated by force
Equipped with a pair, and a pair of end plate is connected to the left and right ends of FRP column, and the left and right ends of the FRP column and a pair of end plate are equal
Four pair of first conventional stud hole is offered, the high-strength bolt that penetrates equipped with six pairs, and wherein distinguish by four pairs of high-strength bolts that penetrate
It is threadedly connected to and is located between four pair of first conventional stud hole, the side plate is equipped with a pair, and a pair of side plates is connected to FRP
The rear and front end of the rear and front end of column, the FRP column and a pair of side plates offers two pair of first conventional stud hole, and other two
The high-strength bolt that penetrates is threadedly connected to respectively between two pair of first conventional stud hole, described sleeve pipe is welded on the right side of an end plate
End, described sleeve pipe are plugged in FRP beam, are connected between the FRP beam and casing by epoxide-resin glue and high-strength friction-type bolt
It connects, the high-strength friction-type bolt is equipped with multiple, and the upper and lower surface and side surface of the FRP beam and casing offer multiple the
Two conventional stud holes, and multiple high-strength friction-type bolts are threadedly connected to respectively between multiple second conventional studs hole, can be prevented
Rarely occurred earthquake acts on lower FRP beam or FRP column and brittle break occurs in node area.
Further, the FRP column is rectangular hollow FRP column, and the FRP beam is rectangular hollow FRP beam.
Further, it is connected between described sleeve pipe and end plate using groove full penetration weld, and weld size is 5-10mm,
To guarantee to have the movable gap of 15mm when being glued between casing beginning and FRP beam-ends.
Further, a pair of end plate is placed perpendicular on the extended line direction of FRP beam.
Further, the central axes of described sleeve pipe are aligned with the central axes of FRP beam.
Further, it is glued between the FRP beam and casing by epoxide-resin glue, and between FRP beam and casing
Pass through high-strength friction-type screw bolt reinforcing again.
Further, the high-strength friction-type bolt by FRP beam upper and lower surface and the high-strength friction for passing through side surface
Type bolt is staggered.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) it is glued between this programme casing and FRP beam by epoxide-resin glue and high-strength friction-type is bolted and leads to
It crosses side plate to reinforce FRP column, is core of the invention place.
It (2) is exactly a kind of novel joint that comparison of seismic resistant properties is good for the splicing bushing type node of FRP beam-to-column joint, this
Kind node is to pass through high-strength friction again by epoxy resin glue sticking outside steel pipe using steel pipe as in casing insertion FRP profile
Type is bolted and the bean column node realized, it has been investigated that the moment-rotation relation of this node between just connect and it is hinged it
Between, belong to structures with semi-rigid joints, i.e., exists between beam column and relatively rotate, existing stronger rigidity, and due to using end plate and high-strength friction
Type is bolted and has good ductility and deformation, therefore is a kind of joint form that comparison of seismic resistant properties is good.
(3) due to having used high-strength steel end plate and high-strength bolt, bending resistance, shearing resistance and tensile capacity are significantly mentioned
It rises, which can further increase ductile deformation's energy of node by the surrender of connecting sleeve end plate
Power and energy dissipation capacity, simultaneously because the presence of high-strength friction-type bolt further passes through high-strength bolt once encountering rarely occurred earthquake
Frictional Slipping deformed and consumed energy, therefore the new type FRP Structure Beam-column node rarely occurred earthquake effect under have it is very strong
Ductile deformation's ability and energy dissipation capacity.
(4) it since the FRP bean column node does not occur weld crack on beam column component, also avoids seldom to meet ground
Shake acts on lower FRP beam column and the possibility of brittle break occurs in welding position.
(5) in addition, the node also has many advantages, such as that repair is simple and fast and rehabilitation cost is cheap after shake easy for construction.
(6) due to using assembling mode, the stress performance of material is taken full advantage of, the section ruler of node is efficiently reduced
It is very little, so that its body is become more very thin, beautiful.
Detailed description of the invention
The structural schematic diagram of Fig. 1 present example；
I-I cross-sectional view of Fig. 2 Fig. 1；
II-II cross-sectional view of Fig. 3 Fig. 1；
Fig. 4 is the structural schematic diagram in background technique.
Figure label explanation:
1FRP column, 2FRP beam, 3 end plates, 4 side plates, 5 casings, 6 it is high-strength penetrate bolt, 7 high-strength friction-type bolts, 8 first often
Advise bolt hole, 9 second conventional stud holes, 10 epoxide-resin glues.
Specific embodiment
Technical solution in the embodiment of the present invention that following will be combined with the drawings in the embodiments of the present invention carries out clear, complete
Ground description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment:
Please refer to Fig. 1-3, a kind of splicing bushing type node for FRP beam-to-column joint, including FRP column 1, FRP beam 2, end
Plate 3, casing 5, high-strength penetrates bolt 6, high-strength friction-type bolt 7, the first conventional stud hole 8, the second conventional stud hole 9 at side plate 4
With epoxide-resin glue 10, FRP column 1 is rectangular hollow FRP column, and FRP beam 2 is rectangular hollow FRP beam, and end plate 3 is equipped with a pair, and one
The left and right sides of FRP column 1 is connected to end plate 3, the left and right sides of FRP column 1 and a pair of end plate 3 offer four pair first
Conventional stud hole 8, the high-strength bolt 6 that penetrates is equipped with six pairs, and wherein four pairs of high-strength bolts 6 that penetrate are threadedly connected to respectively positioned at four
To between the first conventional stud hole 8, a pair of end plate 3 is connected by the multipair high-strength bolt 6 that penetrates, and is connected firmly, side plate 4 is equipped with one
It is right, and a pair of side plates 4 is connected to the front and rear sides of FRP column 1, side plate 4 is further reinforced, and makes it under seismic loading
Shear-carrying capacity be improved largely；
The front and rear sides of FRP column 1 and a pair of side plates 4 offer two pair of first conventional stud hole 8, and it is other two pairs it is high-strength
It penetrates bolt 6 to be threadedly connected to respectively between two pair of first conventional stud hole 8, a pair of end plate 3 is placed perpendicular to FRP beam 2
On extended line direction, a pair of side plates 4 is connected by two pairs of high-strength bolts 6 that penetrate, and is connected firmly, high-strength positioned at left side penetrates spiral shell
Bolt 6 penetrates 6 sequence of bolt with the high-strength of front side is located at；
Casing 5 is welded on the right end of the end plate 3 positioned at right side, is connected between casing 5 and end plate 3 using groove full penetration weld
It connecing, and weld size is 5-10mm, casing 5 is plugged in FRP beam 2, and the central axes of casing 5 are aligned with the central axes of FRP beam 2,
It is connected between FRP beam 2 and casing 5 by epoxide-resin glue 10 and high-strength friction-type bolt 7, is passed through between FRP beam 2 and casing 5
Epoxide-resin glue 10 is glued, and is reinforced again by high-strength friction-type bolt 7 between FRP beam 2 and casing 5, and casing 5 passes through ring
The bonding of oxygen resin glue 10 realize with the connection of FRP beam 2, it has been investigated that the moment-rotation relation of this node between just connecing and
Between hinged, belong to structures with semi-rigid joints, i.e., exists between beam column and relatively rotate, existing stronger rigidity；There are good deformation and consumption again
It can ability.
It is different with the length of casing according to being glued, high-strength friction-type bolt 7 be equipped with it is multiple, FRP beam 2 and casing 5 it is upper and lower
Surface and side surface offer multiple second conventional studs hole 9, and multiple high-strength friction-type bolts 7 be threadedly connected to respectively it is more
Between a second conventional stud hole 9, rubbed by the high-strength friction-type bolt 7 of 2 upper and lower surface of FRP beam with by the high-strength of side surface
Wiping type bolt 7 is staggered, can prevent rarely occurred earthquake from acting on lower FRP beam 2 or FRP column 1 and brittle break occurs in node area.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (7)
1. a kind of splicing bushing type node for FRP beam-to-column joint, including FRP column (1), FRP beam (2), end plate (3), side plate
(4), casing (5), high-strength penetrate bolt (6), high-strength friction-type bolt (7), the first conventional stud hole (8), the second conventional stud
Hole (9) and epoxide-resin glue (10), it is characterised in that: the end plate (3) is equipped with a pair, and a pair of end plate (3) is connected to
The left and right sides of FRP column (1), the left and right sides of the FRP column (1) and a pair of end plate (3) offer four pair of first conventional spiral shell
Keyhole (8), described high-strength penetrate bolt (6) are equipped with six pairs, and wherein four pairs of high-strength bolts (6) that penetrate are threadedly connected to position respectively
Between four pair of first conventional stud hole (8), the side plate (4) is equipped with a pair, and a pair of side plates (4) is connected to FRP column
(1) front and rear sides, the front and rear sides of the FRP column (1) and a pair of side plates (4) offer two pair of first conventional stud hole
(8), and other two pairs of high-strength bolts (6) that penetrate are threadedly connected to respectively between two pair of first conventional stud hole (8), described sleeve pipe
(5) it is welded on the right end of an end plate (3), described sleeve pipe (5) is plugged in FRP beam (2), the FRP beam (2) and casing (5)
Between connected by epoxide-resin glue (10) and high-strength friction-type bolt (7), the high-strength friction-type bolt (7) equipped with multiple,
The upper and lower surface and side surface of the FRP beam (2) and casing (5) offer multiple second conventional studs hole (9), and multiple high
Strong friction-type bolt (7) is threadedly connected to respectively between multiple second conventional studs hole (9).
2. a kind of splicing bushing type node for FRP beam-to-column joint according to claim 1, it is characterised in that: described
FRP column (1) is rectangular hollow FRP column, and the FRP beam (2) is rectangular hollow FRP beam.
3. a kind of splicing bushing type node for FRP beam-to-column joint according to claim 1, it is characterised in that: described
It is connect between casing (5) and end plate (3) using groove full penetration weld, and weld size is 5-10mm, when guaranteeing to be glued, set
There is the movable gap of 15mm between pipe (5) beginning and FRP beam (2) end.
4. a kind of splicing bushing type node for FRP beam-to-column joint according to claim 1, it is characterised in that: a pair of
The end plate (3) is placed perpendicular on the extended line direction of FRP beam (2).
5. a kind of splicing bushing type node for FRP beam-to-column joint according to claim 1, it is characterised in that: described
The central axes of casing (5) are aligned with the central axes of FRP beam (2).
6. a kind of splicing bushing type node for FRP beam-to-column joint according to claim 1, it is characterised in that: described
It is glued between FRP beam (2) and casing (5) by epoxide-resin glue (10), and is passed through again between FRP beam (2) and casing (5)
High-strength friction-type bolt (7) is reinforced.
7. a kind of splicing bushing type node for FRP beam-to-column joint according to claim 1, it is characterised in that: described
High-strength friction-type bolt (7) by FRP beam (2) upper and lower surface and high-strength friction-type bolt (7) row of being staggered by side surface
Column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565600.5A CN110359563A (en) | 2019-06-27 | 2019-06-27 | A kind of splicing bushing type node for FRP beam-to-column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565600.5A CN110359563A (en) | 2019-06-27 | 2019-06-27 | A kind of splicing bushing type node for FRP beam-to-column joint |
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| Publication Number | Publication Date |
|---|---|
| CN110359563A true CN110359563A (en) | 2019-10-22 |
Family
ID=68217067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910565600.5A Pending CN110359563A (en) | 2019-06-27 | 2019-06-27 | A kind of splicing bushing type node for FRP beam-to-column joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110359563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2032739A (en) * | 2022-08-11 | 2022-10-06 | Univ Zhengzhou Aeronautics | Energy-dissipation type beam-column joint with energy dissipation function |
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|---|---|---|---|---|
| US20040050013A1 (en) * | 2002-09-12 | 2004-03-18 | Tadayoshi Okada | High-strength bolted connection structure with no fire protection |
| CN102444211A (en) * | 2011-11-15 | 2012-05-09 | 福州大学 | Reamed steel structure beam-column joint connected via end plate and construction method for same |
| CN103061415A (en) * | 2013-01-25 | 2013-04-24 | 东南大学 | Gluing composite connection joint and gluing composite connection method for FRP (fiber reinforced polymer) section and barbed plates |
| CN103643633A (en) * | 2013-12-26 | 2014-03-19 | 黄海林 | Manufacturing method for ribbed FRP members |
| CN204510482U (en) * | 2015-01-05 | 2015-07-29 | 同济大学 | A kind of through concrete-filled steel square tubular column of stiffener and H profile steel beam structures with semi-rigid joints |
| CN107558610A (en) * | 2017-09-20 | 2018-01-09 | 沈阳建筑大学 | Square set justifies Concrete-filled Double Skin Steel Tube Columns and steel beam connecting joint and construction method |
| CN208934260U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of outer FRP pipe-interior FRP pipe-regeneration concrete open tubular column |
-
2019
- 2019-06-27 CN CN201910565600.5A patent/CN110359563A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040050013A1 (en) * | 2002-09-12 | 2004-03-18 | Tadayoshi Okada | High-strength bolted connection structure with no fire protection |
| CN102444211A (en) * | 2011-11-15 | 2012-05-09 | 福州大学 | Reamed steel structure beam-column joint connected via end plate and construction method for same |
| CN103061415A (en) * | 2013-01-25 | 2013-04-24 | 东南大学 | Gluing composite connection joint and gluing composite connection method for FRP (fiber reinforced polymer) section and barbed plates |
| CN103643633A (en) * | 2013-12-26 | 2014-03-19 | 黄海林 | Manufacturing method for ribbed FRP members |
| CN204510482U (en) * | 2015-01-05 | 2015-07-29 | 同济大学 | A kind of through concrete-filled steel square tubular column of stiffener and H profile steel beam structures with semi-rigid joints |
| CN107558610A (en) * | 2017-09-20 | 2018-01-09 | 沈阳建筑大学 | Square set justifies Concrete-filled Double Skin Steel Tube Columns and steel beam connecting joint and construction method |
| CN208934260U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of outer FRP pipe-interior FRP pipe-regeneration concrete open tubular column |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2032739A (en) * | 2022-08-11 | 2022-10-06 | Univ Zhengzhou Aeronautics | Energy-dissipation type beam-column joint with energy dissipation function |
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Application publication date: 20191022 |
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| RJ01 | Rejection of invention patent application after publication |