CN207700371U - A kind of assembled steel reinforced concrete angle brace frame - Google Patents
A kind of assembled steel reinforced concrete angle brace frame Download PDFInfo
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- CN207700371U CN207700371U CN201721409147.1U CN201721409147U CN207700371U CN 207700371 U CN207700371 U CN 207700371U CN 201721409147 U CN201721409147 U CN 201721409147U CN 207700371 U CN207700371 U CN 207700371U
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- angle brace
- prefabricated post
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Abstract
The utility model discloses a kind of assembled steel reinforced concrete angle brace frames, including prefabricated post, composite beam and anti-buckling support；Composite beam includes precast beam and rear pouring concrete；The both ends of precast beam are hinged with the prefabricated post positioned at both sides respectively, the respectively one anti-buckling support being obliquely installed of setting of the two bottom sides of precast beam, one end of every anti-buckling support is hinged with precast beam bottom, and the other end and the prefabricated post of every anti-buckling support are hinged.The connection of the utility model central sill and column, is connected using axis pin, realizes real fabricated construction.Meanwhile in the case where bearing load is constant, deck-molding substantially reduces, building floor height reduces 5 ~ 8%, and clear height increases by 200 ~ 300mm within doors.In addition, the precast length of prefabricated post is not limited by floor is cast-in-place, the precast length of prefabricated post can be lengthened according to requirements such as traffic conditions, reduce the batch of sleeve grouting connection, improve the construction quality of column, shorten construction period.
Description
Technical field
The utility model is related to building structure technology field, especially a kind of assembled steel reinforced concrete angle brace frame.
Background technology
Existing assembled steel tendon concrete frame structure is not different from design is upper with integral cast-in-situ concrete structure,
Only beam, plate, column become superposed member.In anti-seismic performance, also substantially equivalent reinforced concrete cast-in-situ structure, the company of Liang Yuzhu
Model is connect using rigid connection way.As shown in figure 3, in construction, column uses prefabricated post, but the column of beam column node area range is wanted
Using cast-in-place concrete namely the areas node Hou Jiao 11.For composite beam with column using way is just connect, it is cast-in-place mixed that beam steel anchors into Column border node
In solidifying soil.In this way, the rear pouring concrete of the rear pouring concrete of laminated floor slab, composite beam, the areas node Hou Jiao pour together.Concrete
After maintenance reaches age strength, then using the prefabricated post of the perfusion connection last layer of slurry 10 of grout sleeve 9.Therefore, this simulation
The way of pure cast-in-place structural causes the problems such as connecting structure is complicated, and quality is difficult to control unavoidably.Currently, the assembly of the prior art
The construction concrete two-step pouring of formula beam column is bound to cause prefabricated and cast-in-place part, the connection of Liang Yuzhu, the connection etc. of column and column
Link, there are the drawbacks such as reinforcing bar collision, the required precision height for constructing cumbersome, complex procedures, size of constructing.
Fabricated construction makes in design, prefabricated component, and there are many coordinations to match for the links such as in-site installation and concreting
The problem of closing causes that construction period length, cost is caused to increase by 15~30%, becomes a big obstacle of popularization and application.How to lead to
Rational tectonic sieving is crossed, the construction of prefabricated component is optimized, simplifies construction process, the important technology for becoming assembled architecture development is asked
Topic.
Utility model content
The technical problems to be solved in the utility model is in view of the above shortcomings of the prior art, and to provide a kind of assembled steel
Reinforced concrete angle brace frame, the connection of assembled steel reinforced concrete the angle brace frame central sill and column, is connected using axis pin, is realized true
Positive fabricated construction.Meanwhile in the case where bearing load is constant, deck-molding can be made to substantially reduce, building storey high energy reduction 5~
8%, namely clear height can increase by 200~300mm within doors.In addition, the precast length of prefabricated post is not limited by floor is cast-in-place, it can root
According to requirements such as traffic conditions, the precast length of prefabricated post is lengthened, the batch of sleeve grouting connection is reduced, improves the construction matter of column
Amount shortens construction period.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of assembled steel reinforced concrete angle brace frame, including prefabricated post, composite beam and anti-buckling support.
Composite beam is horizontally disposed, precast beam and rear pouring concrete.
The both ends of precast beam are hinged with the prefabricated post positioned at both sides respectively, and the two bottom sides of precast beam respectively incline by setting one
The anti-buckling support being tiltedly arranged, one end and the Prefabricated superposed beam bottom of every anti-buckling support are hinged, every anti-buckling support
The other end be hinged with prefabricated post.
There is horizontal sextant angle α between anti-buckling support and precast beam.
Each pre-buried beam-to-column joint end in both ends of precast beam, the top each pre-buried one of the two neighboring opposite side of prefabricated post
A beam-column hinged bearing, beam-to-column joint end are connected with corresponding beam-column hinged bearing using axis pin；The bottom of Prefabricated superposed beam
Each pre-buried angle brace connecting pin in both sides is located at each one angle brace of setting at the top of each prefabricated post below beam-column hinged bearing and cuts with scissors
Bearing is connect, angle brace connecting pin is connected with corresponding angle brace pivoting support using axis pin.
The distance between angle brace pivoting support and beam-column hinged bearing are the 20-50% of floor height.
The both ends of precast beam are the non-uniform beam gradually to successively decrease.
The deck-molding of precast beam reduces 25-50% than the deck-molding of existing composite beam, and the deck-molding of existing composite beam is (1/15-1/
10) spacing namely beam span of L, wherein L between adjacent two prefabricated posts.
The utility model has the advantages that：
1. deck-molding substantially reduces：Compared with the beam-to-column joint mode of the prior art, refer to displacement in integrally-built rigidity
Mark it is identical under the premise of, the beams of concrete depth of section of the utility model greatly reduces.This support entirely from beam end
Intermediate two vertical support points are provided to beam, due to being provided with two fulcrums, two have single beam to become 3 bridges, the moment of flexure of beam,
Shearing substantially reduces, and arrangement of reinforcement is greatly reduced.
2. the influence of pair building floor height and clear height is big, substantially improved using function, economic benefit is apparent.Depth of beam reduces,
Influence to building is huge.First, when building floor height is constant, height is big under beam, and architecture indoor clear height higher, interior uses sky
Between effect substantially improve.Second, in the case where architecture indoor clear height requires constant, it is possible to reduce building floor height 5~8%.It presses
200~300mm is saved according to every layer to calculate, the building of 15 floor heights can make 16 layers originally, and economic benefit is apparent.
3. the precast length of prefabricated post column breaks through floor limitation, can with two layers, three layers of even more multilayer it is once prefabricated, do not have
Intermediate connector, it is not only easy for construction, shorten construction period, Forming Quality is excellent, and anti-seismic performance greatly promotes.
4. precast beam is easily fabricated：The section of precast beam becomes smaller, and weight becomes smaller, and is convenient for manufacture, transport, the lifting of prefabricated component
And mounting and adjusting.
5. a pair base for post originally not adversely affects：Example is only single layer single span, seems column internal force and becomes larger.The internal force of column changes
For vertical load, this is easy to solve for structure, and cost influence is also small.In fact, when building centre position, pillar four
Face or three faces are all constrained by beam and support, support the influence to column that can cancel out each other two-by-two.
6. under big shake state, even if coupling beam is destroyed, being very convenient to.This concrete connecting-beam to the prior art is replaced
To be extremely difficult.
7. substantially improving the anti-seismic performance at bean column node position, construction requirement, the duration greatly shortens, and cost reduces.
Description of the drawings
Fig. 1 shows a kind of structural schematic diagram of assembled steel reinforced concrete angle brace frame of the utility model.
Fig. 2 shows a kind of explosive view of assembled steel reinforced concrete angle brace frame of the utility model.
Fig. 3 shows a kind of construction full-page proof schematic diagram of conventional fabricated construction.
Fig. 4 shows the construction full-page proof schematic diagram of the utility model assembled steel reinforced concrete angle brace frame.
Fig. 5 shows both assembled steel reinforced concrete angle brace frames in conventional fabricated construction and Fig. 4 shown in Fig. 3
Performance comparison figure；
Fig. 6 shows both assembled steel reinforced concrete angle brace frames in conventional fabricated construction and Fig. 4 shown in Fig. 3
Performance comparison figure；
Wherein have：1, prefabricated post, 2, precast beam, 3, rear pouring concrete, 4, anti-buckling support, 5, beam-column hinged bearing.6、
Angle brace pivoting support.7, beam-to-column joint end.8, angle brace connecting pin；9, grout sleeve；10. slurry；11. the areas node Hou Jiao；12.
Structural elevation.
Specific implementation mode
The utility model is described in further detail with specific better embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of assembled steel reinforced concrete angle brace frame, including prefabricated post 1, composite beam and anti-bend
Song support 4.
Composite beam is horizontally disposed, and composite beam includes precast beam 2 and the rear pouring concrete 3 at the top of precast beam.
The non-uniform beam that the both ends of precast beam are both preferably gradually successively decreased.The setting of non-uniform beam, while being easily installed,
It can make between anti-buckling support and Prefabricated superposed beam there is horizontal sextant angle α to increase, support effect is more preferable；In addition, steel can also be saved
The use of reinforced concrete.
The both ends of precast beam are hinged with the prefabricated post positioned at both sides respectively, and the two bottom sides of precast beam respectively incline by setting one
The anti-buckling support being tiltedly arranged, one end and the precast beam bottom of every anti-buckling support are hinged, every anti-buckling support it is another
One end is hinged with prefabricated post.
The hinged preferred arrangement of precast beam and prefabricated post is：Each pre-buried beam-to-column joint end 7 in both ends of precast beam,
Each pre-buried beam-column hinged bearing 5 in top of the two neighboring opposite side of prefabricated post, beam-to-column joint end is cut with scissors with corresponding beam column
Bearing is connect using axis pin to be connected.
Anti-buckling hinged preferred arrangement of the support respectively with prefabricated post and precast beam be：The two bottom sides of precast beam are each
A pre-buried angle brace connecting pin 8, respectively one angle brace of setting hingedly props up at each prefabricated post top below beam-column hinged bearing
Seat 6, angle brace connecting pin is connected with corresponding angle brace pivoting support using axis pin.
There is horizontal sextant angle α between anti-buckling support and precast beam.
Position and the angle of anti-buckling support are depended on to the improvement degree of composite beam.Position in the middle part of the composite beam,
Effect is better.Anti-buckling support is bigger with the horizontal sextant angle α of composite beam, and effect is better.Horizontal sextant angle α generally preferably values are
20-60°。
The distance between angle brace pivoting support and beam-column hinged bearing are preferably the 20-50% of floor height.
Further, the deck-molding of composite beam reduces 25-50% than the deck-molding of existing composite beam, and the deck-molding of existing composite beam is
The spacing namely beam span of (1/15-1/10) L, wherein L between adjacent two prefabricated posts.
A kind of construction method of assembled steel reinforced concrete angle brace frame, includes the following steps.
Step 1：Prefabricated post it is prefabricated：It is required according to traffic condition, the precast length of prefabricated post is set as architecture storey
2-5 times of floor height, preferably 3 times.Distinguish pre-buried beam-column hinged bearing in the corresponding position of each floor floor height and angle brace is hinged
Bearing.
Step 2, precast beam is prefabricated：It is prefabricated to precast beam progress according to setting shape and size, when prefabricated, in precast beam
Both ends distinguish pre-buried beam-to-column joint end, the two bottom sides of precast beam distinguish pre-buried angle brace connecting pin.
Step 3, prefabricated post is constructed：Prefabricated post is transported to job location, and is constructed to prefabricated post.
Step 4, precast beam is constructed：Precast beam is lifted respectively to corresponding floor floor height, it will be in precast beam using axis pin
Beam-to-column joint end be hinged with corresponding beam-column hinged bearing；Use again axis pin by precast beam angle brace connecting pin with it is corresponding
Angle brace pivoting support be hinged.
Step 5, the rear pouring concrete of composite beam：One layer of armored concrete is poured respectively at the top of each precast beam, after
Pouring concrete forms an entirety with precast beam, constitutes composite beam.In this step 5, at the top of 2~5 layers of composite beam after pour it is mixed
Solidifying soil, which synchronizes, to be poured.
To show that the superiority of the utility model compared with the existing technology, spy are lifted for the frame of a single layer single span.It should
7.5 meters of frame span, 3.3 meters, load 40kn/m on beam of floor height, 8 degree of earthquake intensity of setting up defences design the basic acceleration of earthquake
0.2g.The frame of the prior art and the frame of the utility model are compared by the way of table, referring to Fig. 5, Fig. 6.
The full-page proof of routine fabricated construction in the prior art, as shown in Figure 3；The utility model assembled steel reinforced concrete
The construction full-page proof of angle brace frame is as shown in Figure 4.
With reference to Fig. 3 to Fig. 6, the structure overall control index of the utility model and the prior art are subjected to detailed ratio
Compared with explanation.
(1) free vibration period of structure
The free vibration period of structure of the prior art 0.2147 second, the free vibration period of structure of the utility model 0.2138 second, the two
Difference 0.4%, error is within the scope of engineering allowable range 5%.
(2) story drift
The story drift 1/3549 of the prior art, the story drift 1/3518 of the utility model, difference 0.9%.Accidentally
Difference is within the scope of engineering allows 5%.
(3) bottom seismic shear
The bottom of the prior art shears 29KN, and the bottom of the utility model shears 29.8KN, difference 2.7%.Error is in work
Journey allows within the scope of 5%.
Three, the internal force index of structural elements
Above three index is the key that seismic design of structures Con trolling index.Three indexs are identical to have science to Bizet
Meaning.Herein basis on, other indexs it is comparative as follows：
(4) vertical deflection of beam
The beam deflection 4.83 of the prior art, the utility model beam deflection 4.21 differ 0.6mm, and beam deflection smaller, design is more
It is excellent.
(5) beam moment of flexure
Positive moment of span central point, prior art 287kn.m, the utility model 127kn.m reduce by 56%, directly affect beam
The muscle area of reinforcement is indulged in lower part reduces by 56%,
Beam-ends hogging moment, the prior art are -139kn.m, and the utility model is -83kn.m, reduces by 40%, directly affects beam
The muscle area of reinforcement is indulged in lower part reduces by 40%,
Therefore, the vertical muscle arrangement of reinforcement of beam can lower 50% or so.
(6) beam shears
The beam maximum shear 214kn of the prior art, the utility model beam maximum shear 143 reduce by 33%, and stirrup more saves.
(7) beam axle power
Prior art beam axle power 54.2kn, the utility model beam axle power maximum 87.2kn increase 60% than original technology.
Since the axle power of beam has beam and the huge Bars In Poured Concrete Slab of area to be undertaken in face substantially, beam axle power problem is not always structure
Design needs the factor additionally considered.
(8) column moment of flexure, shearing
In load lower prop moment of flexure and shearing, compared with prior art, some positions are big, some positions for the utility model
It is small.Mainly since in the prior art, prefabricated post is at anti-buckling support by the concentration force effect of anti-buckling support.These lotuses
Internal force under carrying is not key element to prefabricated post design.And the case of the utility model is only single layer single span, seems prefabricated
Column internal force becomes larger.The internal force variation of prefabricated post is to be directed to vertical load, this is easy to solve for structure, cost influence
It is small.In fact, position between under construction, prefabricated post four sides or three faces are all constrained by composite beam and anti-buckling support, prevent bending
Influence of the song support to prefabricated post can be cancelled out each other two-by-two.
Under geological process, the utility model and the prior art are essentially identical on overall performance data target, difference 5% with
It is interior.
By the comparison of above-mentioned case parameter, the utility model is found than the prior art, in general, this practicality is new
The design indices of type are obviously due to the prior art.On this basis, the further comparison of technical and economic performance is done.Contrast points
Including：The design of precast beam, floor height or clear height, the convenience of precast beam manufacture installation, the internal force of prefabricated post are influenced, can be repaiied after shake
Renaturation, frame construction technological merit, total lever factor, total cost etc..
(1) beam internal force is more reasonable
Compared with the beam-to-column joint mode of the prior art, under the premise of integrally-built rigidity is identical with drift index,
The beams of concrete depth of section of the utility model greatly reduces.This is provided entirely from the anti-buckling support of beam end to beam
Intermediate two vertical support points, due to being provided with two fulcrums, two have single beam to become 3 bridges, and the moment of flexure of beam shears significantly
It reduces, arrangement of reinforcement is greatly reduced.
Anti-buckling Support Position and angle are depended on to the improvement degree of composite beam.Anti-buckling Support Position is closer to overlapping
Liang Zhong, effect are better.Anti-buckling support is bigger with the horizontal sextant angle of composite beam, and effect is better.
(2) influence to building floor height and clear height is big, is substantially improved using function, economic benefit is apparent.
Prior art precast beam is tall and big, and clear height is small under beam.Use space is poor.
The prefabricated beam construction of the utility model, deck-molding more prefabricated than the prior art reduce by 20%~50%, the influence to building
It is huge.First, when building floor height is constant, the height under precast beam is big, architecture indoor clear height higher, indoor use space effect
It substantially improves.Second, in the case where architecture indoor clear height requires constant, it is possible to reduce building floor height 5~8%.According to every layer
It saves 200~300mm to calculate, the building of 15 floor heights can make 16 layers originally, and economic benefit is apparent.
(3) precast beam is easily fabricated.
Prior art precast beam, section is big, and total amount is big, manufacture, transport, lifting and mounting and adjusting.The utility model it is pre-
The section for making prefabricated beam becomes smaller, and weight becomes smaller, and is convenient for manufacture, transport, lifting and the mounting and adjusting of prefabricated component.
(4) prefabricated post is not adversely affected substantially.
The utility model is only single layer single span by example, seems prefabricated post internal force and becomes larger.However, the internal force variation of prefabricated post
Only it is to be directed to vertical load, this is easy to solve for structure, and cost influence is also small.In fact, when building centre position, in advance
Column four sides or three faces processed are all constrained by beam and support, support the influence to column that can cancel out each other two-by-two.
(5) under big shake state, prior art composite beam repairs extremely difficult, the composite beam replacement of the utility model after destroying
It is very convenient.
(6) anti-seismic performance, the construction requirement at bean column node position are substantially improved, the duration greatly shortens, and cost reduces.
The position of joints of beam column intersection is emphasis, weakness, difficult point for existing prefabricated assembled engineering.This is structure
Crucial force part, it is desirable that high, effect is big.When node failure, total has not existed.
The main construction characteristic of the prior art：
(1) column needs to connect at every layer, and grout sleeve antidetonation interconnection technique is obviously weakness.Although by examination
It tests, but is joint area after all, when construction quality is very good, the requirement of theoretical assumption could be met.
(2) when building medium position, when pillar four sides has four Vierendeel girders to need to connect herein, in addition upper and lower pillar,
It shares 6 components to connect at a node, the positioning requirements of prefabricated component exposed steel bar are very high, and mutual erect-position collision problem is non-
It is often prominent.The rear pouring concrete in node area will be combined with the precast concrete in six faces, and design and construction requires very high.
(3) prior art beam-to-column joint, it is long in time limit, cost is high, poor seismic behavior.
The beam-column hinged way of the utility model, is compared, and has apparent advantage：
(1) precast length of prefabricated post breaks through floor limitation, and it is mostly primary prefabricated even more to cross layer with two layers, three layers, does not have
There is intermediate connector, not only easy for construction, Forming Quality is excellent, and anti-seismic performance greatly promotes；
(2) connection of Liang Yuzhu is exactly the articulated connections such as two axis pins, and construction is extremely efficient and convenient, and interconnection technique more may be used
It leans on, Seismic Behavior greatly promotes；
(3) the beam-to-column joint mode of the utility model, when can save reinforcing bar and the concreting of prefabricated beam column completely
Between and concrete curing time, the duration greatly shortens.
(4) it since prefabricated post has enough bearing capacitys, can also simultaneously construct for two layers or three layers, the duration reduces significantly.It makes
Valence greatlys save.
By the accurate comparison of the parameter of example, and then to the comparison of Technical Economy, the angle brace of the utility model
For Vierendeel girder technology than existing assembled steel Concrete Beam Reinforced technology, structure is more reasonable, and construction is more succinct, and construction is more just
Victory, the construction period is shorter, and project total cost is lower, and the angle brace Vierendeel girder technology of the utility model has Technological Economy outstanding excellent
More property is convenient for a large amount of development and application, has a vast market application prospect.
Preferred embodiments of the present invention described in detail above, still, the utility model are not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of equivalents of row, these equivalents belong to the scope of protection of the utility model.
Claims (5)
1. a kind of assembled steel reinforced concrete angle brace frame, it is characterised in that：Including prefabricated post, composite beam and anti-buckling support；
Composite beam is horizontally disposed, and composite beam includes precast beam and the rear pouring concrete at the top of precast beam；
The both ends of precast beam are hinged with the prefabricated post positioned at both sides respectively, and respectively one inclination of setting is set the two bottom sides of precast beam
The anti-buckling support set, one end and the precast beam bottom of every anti-buckling support are hinged, the other end of every anti-buckling support
It is hinged with prefabricated post；
There is horizontal sextant angle α between anti-buckling support and precast beam.
2. assembled steel reinforced concrete angle brace frame according to claim 1, it is characterised in that：The both ends of precast beam are each pre-
Bury a beam-to-column joint end, each pre-buried beam-column hinged bearing in top of the two neighboring opposite side of prefabricated post, beam-to-column joint
End is connected with corresponding beam-column hinged bearing using axis pin；Each pre-buried angle brace connecting pin of two bottom sides of precast beam, position
One angle brace pivoting support, angle brace connecting pin and corresponding angle are respectively set at the top of each prefabricated post below beam-column hinged bearing
Support pivoting support is connected using axis pin.
3. assembled steel reinforced concrete angle brace frame according to claim 2, it is characterised in that：Angle brace pivoting support and beam
The distance between column articulated bearing is the 20-50% of floor height.
4. assembled steel reinforced concrete angle brace frame according to claim 1, it is characterised in that：The both ends of precast beam are
The non-uniform beam gradually to successively decrease.
5. assembled steel reinforced concrete angle brace frame according to claim 1, it is characterised in that：The deck-molding of composite beam is than existing
There is the deck-molding of composite beam to reduce 25-50%, the deck-molding of existing composite beam is（1/15-1/10）L, wherein L are adjacent two prefabricated posts
Between spacing namely beam span.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721409147.1U CN207700371U (en) | 2017-10-30 | 2017-10-30 | A kind of assembled steel reinforced concrete angle brace frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721409147.1U CN207700371U (en) | 2017-10-30 | 2017-10-30 | A kind of assembled steel reinforced concrete angle brace frame |
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| CN207700371U true CN207700371U (en) | 2018-08-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761950A (en) * | 2017-10-30 | 2018-03-06 | 南京百西思建筑科技有限公司 | A kind of assembled steel reinforced concrete angle brace framework and its construction method |
| CN109898647A (en) * | 2019-03-01 | 2019-06-18 | 东南大学 | A kind of assembled welding energy-dissipating and shock-absorbing node |
| CN111335458A (en) * | 2018-12-18 | 2020-06-26 | 南京百西思建筑科技有限公司 | Prefabricated assembly double-hinged frame system |
| CN111335459A (en) * | 2018-12-18 | 2020-06-26 | 南京百西思建筑科技有限公司 | Prefabricated hinged frame supporting system |
| CN112411756A (en) * | 2020-11-27 | 2021-02-26 | 华侨大学 | Controllable assembled RCS structure beam column node of plasticity |
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2017
- 2017-10-30 CN CN201721409147.1U patent/CN207700371U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761950A (en) * | 2017-10-30 | 2018-03-06 | 南京百西思建筑科技有限公司 | A kind of assembled steel reinforced concrete angle brace framework and its construction method |
| CN107761950B (en) * | 2017-10-30 | 2024-03-19 | 南京分震建筑科技有限公司 | Assembled reinforced concrete angle support frame and construction method thereof |
| CN111335458A (en) * | 2018-12-18 | 2020-06-26 | 南京百西思建筑科技有限公司 | Prefabricated assembly double-hinged frame system |
| CN111335459A (en) * | 2018-12-18 | 2020-06-26 | 南京百西思建筑科技有限公司 | Prefabricated hinged frame supporting system |
| CN109898647A (en) * | 2019-03-01 | 2019-06-18 | 东南大学 | A kind of assembled welding energy-dissipating and shock-absorbing node |
| CN112411756A (en) * | 2020-11-27 | 2021-02-26 | 华侨大学 | Controllable assembled RCS structure beam column node of plasticity |
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