CN206052985U - The beam column mortise and tenon type node structure of assembling type steel structure - Google Patents
The beam column mortise and tenon type node structure of assembling type steel structure Download PDFInfo
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- CN206052985U CN206052985U CN201621076005.3U CN201621076005U CN206052985U CN 206052985 U CN206052985 U CN 206052985U CN 201621076005 U CN201621076005 U CN 201621076005U CN 206052985 U CN206052985 U CN 206052985U
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Abstract
This utility model is related to assembling type steel structure building field, the beam column mortise and tenon type node structure of specially a kind of assembling type steel structure.The structure includes orthogonal beams members A, groove suitable for reading, reinforcing ring occlusion key, orthogonal beams members B, lower mouth groove, reinforcing ring, reinforcing ring occlusion keyway, Tenon steel pipe, Tenon groove, Tenon groove reinforcing angle, connection girder steel, strengthening of steel bridge angle steel, the edge of a wing, web, form mortise-tenon joint combination of nodes framework, each framework is made up of eight mortise-tenon joint nodes, node and the vertical of node are connected laterally across connection girder steel by Tenon fastener for connection, node and node.This utility model has considered the requirement of prefabrication and site operation, realizes the connection between orthogonal beams members and Tenon steel pipe, reinforcing ring.The structure and assemble method, meet actual engineering design, construction needs, and welding job amount very little, environmental protection and energy saving have better met the requirement of green building instantly.
Description
Technical field
This utility model is related to assembling type steel structure building field, the beam column mortise and tenon type of specially a kind of assembling type steel structure
Node structure.
Background technology
Assembled architecture has the advantages that environmental protection, speed of application are fast, becomes one of important directions of future architecture development.Dress
It is one of important component part of assembled architecture with formula steel construction, in the past in assembling type steel structure, bean column node is mainly adopted
Connected with welding manner, the power between beam column is transmitted by weld seam.There is more shortcoming in this node, such as：Welding quality is required
High, construction is complicated, residual stress of the welding quality by artifical influence factor is big, around weld seam and weld seam is big, anti-seismic performance is welded
Seam affects big, simultaneously as beam does not run through post, the reinforcement ring size of auxiliary node power transmission is big.
Utility model content
The purpose of this utility model provides a kind of beam column mortise and tenon type node structure of assembling type steel structure, realize orthogonal beams members with
Connection between Tenon steel pipe, reinforcing ring.
The technical solution of the utility model is：
A kind of beam column mortise and tenon type node structure of assembling type steel structure, the structure include：Orthogonal beams members A, groove suitable for reading, reinforcing ring
Occlusion key, orthogonal beams members B, lower mouth groove, reinforcing ring, reinforcing ring occlusion keyway, Tenon steel pipe, Tenon groove, Tenon groove reinforce angle
Steel, connection girder steel, strengthening of steel bridge angle steel, the edge of a wing, web, form mortise-tenon joint combination of nodes framework, and each framework is by eight tenons
Fourth of the twelve Earthly Branches connecting node composition, node and node it is vertical by Tenon fastener for connection, node and node laterally across connection girder steel
Connection, concrete structure are as follows：
The both sides of orthogonal beams members A are provided with the edge of a wing, and the mid portion of orthogonal beams members A only retains web, has four reinforcing rings on web
Occlusion key and groove suitable for reading, respectively positioned at the corner of web, groove suitable for reading is located in the middle of the top of web four reinforcing ring occlusion keys；
The both sides of orthogonal beams members B are provided with the edge of a wing, and the mid portion of orthogonal beams members B only retains web, have four reinforcing rings occlusion keys on web with
And lower mouth groove, respectively positioned at the corner of web, lower mouth groove is located in the middle of the bottom of web four reinforcing ring occlusion keys；Reinforcing ring
Four sides are provided with reinforcing ring occlusion keyway, and to be engaged key with reinforcing ring highly identical for the depth of reinforcing ring occlusion keyway；Orthogonal beams members A is located at
Above orthogonal beams members B, groove suitable for reading is engaged assembly with lower mouth groove para-position, and orthogonal beams members A is intersected vertically in the horizontal direction with orthogonal beams members B；Just
It is after handing over beam A and orthogonal beams members B to be completed, at the web that the two connects, upper and lower that reinforcing ring, reinforcing ring occlusion key are respectively installed
Groove is engaged key para-position occlusion with reinforcing ring；
Mortise fourth of the twelve Earthly Branches groove on four walls of Tenon steel pipe upper and lower side, is respectively provided with tenon in the Tenon groove of Tenon steel pipe inner wall
Fourth of the twelve Earthly Branches groove reinforcing angle；Two beam-ends of connection girder steel are relative with the beam-ends of orthogonal beams members A or orthogonal beams members B respectively, in orthogonal beams members A or
Orthogonal beams members B is respectively provided with strengthening of steel bridge angle steel with the end points for being connected girder steel, connects between relative strengthening of steel bridge angle steel.
The beam column mortise and tenon type node structure of described assembling type steel structure, reinforcing ring occlusion key protrusion 5-15mm, groove suitable for reading
Opening depth with lower mouth groove is 1/2nd of web height.
The beam column mortise and tenon type node structure of described assembling type steel structure, the depth of Tenon groove are two points of web height
One of, in Tenon groove difference three Tenon groove reinforcing angles of spot welding of Tenon steel pipe inner wall.
The beam column mortise and tenon type node structure of described assembling type steel structure, orthogonal beams members A and orthogonal beams members B be connected girder steel
End points is respectively welded strengthening of steel bridge angle steel, by welding or bolt connection between relative strengthening of steel bridge angle steel.
The beam column mortise and tenon type node structure of described assembling type steel structure, in framework top and Foundation Part, Tenon steel
Pipe only opens up Tenon groove an end, and the Tenon steel pipe of other positions opens up Tenon groove in upper and lower side.
Beam column of steel structure mortise and tenon type node structure of the present utility model and assemble method, itself and the former steel using welding manner
Structure Beam-column node is compared, and is had the characteristics that and beneficial effect：
1st, this utility model is provided with mouth groove under Tenon groove suitable for reading, Tenon, stinging by the two in the connection of Liang Yuliang
The connection of beam is realized in conjunction；In the connection of Liang Yuzhu, Tenon groove is provided with post, by the web of beam is extend into Tenon
Groove, realizes the connection of beam column.Beam and the connection of reinforcing ring, are engaged key, set on reinforcing ring by reinforcing ring is arranged on beam
Reinforcing ring occlusion keyway is put, the connection of beam and reinforcing ring is realized.
2nd, this utility model is connected by notch, keyway para-position, and para-position can be made more accurate, and the convenient, province that constructs
When, efficiently.Mainly by notch, the occlusion power transmission of keyway, weld seam only plays fixation.Therefore, difficulty of construction is little, to constructor
The technical merit of member is less demanding, and construction quality is easily guaranteed that.Meanwhile, because reducing the weld seam between component, so as to
The residual stress between component is reduced, the anti-seismic performance of node is improve.
3rd, this utility model constitutes each component of node, can be prefabricated in the factory and machine, and site operation is mainly with group
Based on dress, therefore speed of application is fast, simple to operate.
4th, the web of this utility model orthogonal beams members insertion in the Tenon steel pipe, a part of power of beam-ends can pass through breakthrough part
Divide transmission, compared with traditional beam not insertion mode, it is possible to reduce the size of reinforcing ring, improve integrally-built aesthetic property.
5th, the moment of flexure of this utility model orthogonal beams members passes through the orthogonal web being mutually twisted and coupled reinforcing ring is passed
Tenon steel pipe is delivered to, is sheared and post is passed to by Tenon groove, and being provided with Tenon groove reinforcing angle prevents shearing excessive
Cause the destruction of Tenon steel pipe post jamb, therefore, it is more reliable with Path of Force Transfer more reasonable, power transmission mechanism.
6th, the utility model proposes having considered the requirement of prefabrication and site operation, design, construction are easily facilitated,
Welding job amount very little, environmental protection and energy saving have better met the requirement of green building instantly.
Description of the drawings
Fig. 1 is the A beam graphics of this utility model orthogonal beams members.
Fig. 2 is the B beam graphics of this utility model orthogonal beams members.
Fig. 3 is this utility model reinforcing ring graphics.
Fig. 4 is this utility model Tenon steel pipe graphics.
Fig. 5 is this utility model Tenon steel pipe top view.
Fig. 6 is this utility model reinforcing angle graphics.
Fig. 7 is profiles of the Fig. 5 along A-A directions.
Fig. 8 is the graphics in this utility model orthogonal beams members assembling process.
Fig. 9 is this utility model reinforcing ring and the graphics in orthogonal beams members assembling process.
Figure 10 is this utility model reinforcing ring and orthogonal beams members are completed graphics.
Figure 11 is the graphics during this utility model reinforcing ring, orthogonal beams members and Tenon steel pipe.
Figure 12 is that this utility model reinforcing ring, orthogonal beams members and Tenon steel pipe are completed graphics.
Figure 13 is this utility model mortise-tenon joint combination of nodes framework graphics.
Figure 14 is this utility model mortise-tenon joint combination of nodes framework lateral connection front view.
In figure, 1 orthogonal beams members A；2 grooves suitable for reading；3 reinforcing rings are engaged key；4 orthogonal beams members B；5 lower mouthfuls of grooves；6 reinforcing rings；7 reinforcing rings
Occlusion keyway；8 Tenon steel pipes；9 Tenon grooves；10 Tenon groove reinforcing angles；11 connection girder steels；12 strengthening of steel bridge angle steel；13
The edge of a wing；14 webs.
Specific embodiment
As shown in Fig. 1-Figure 14, the beam column mortise and tenon type node structure of this utility model assembling type steel structure mainly includes：Just
Hand over beam A1, groove suitable for reading 2, reinforcing ring occlusion key 3, orthogonal beams members B4, lower mouth groove 5, reinforcing ring 6, reinforcing ring occlusion keyway 7, Tenon steel
Pipe 8, Tenon groove 9, Tenon groove reinforcing angle 10, connection girder steel 11, strengthening of steel bridge angle steel 12, the edge of a wing 13, web 14 etc., tool
Body structure is as follows：
As shown in figure 1, the both sides of orthogonal beams members A1 are provided with the edge of a wing 13, orthogonal beams members A1 mid portions do not have the edge of a wing, only retain abdomen
Plate 14, has four reinforcing ring occlusion keys 3 and groove suitable for reading 2 on web 14, four reinforcing ring occlusion keys 3 are respectively positioned at web 14
Corner, groove suitable for reading 2 are located in the middle of the top of web 14.
As shown in Fig. 2 the both sides of orthogonal beams members B4 are provided with the edge of a wing 13, orthogonal beams members B4 mid portions do not have the edge of a wing, only retain abdomen
Plate 14, has four reinforcing ring occlusion keys 3 and lower mouth groove 5 on web 14, four reinforcing ring occlusion keys 3 are respectively positioned at web 14
Corner, lower mouth groove 5 are located in the middle of the bottom of web 14.
Wherein, reinforcing ring occlusion key 3 protrusion 5-15mm or according to practical situation determining proper height, groove suitable for reading 2 and under
The opening depth of mouth groove 5 is 1/2nd of web height, and the structure of orthogonal beams members A1 and orthogonal beams members B4 is except groove suitable for reading 2 and lower mouth
The opening direction of groove 5 is different, and other are identical.
As shown in figure 3, four sides of reinforcing ring 6 are provided with reinforcing ring occlusion keyway 7, reinforcing ring is engaged the depth of keyway 7 and adds
Strong ring occlusion key 3 is highly identical.
As Figure 4-Figure 7, mortise fourth of the twelve Earthly Branches groove 9 on four walls of 8 upper and lower side of Tenon steel pipe, its depth is the two of web height
/ mono-, three Tenon groove reinforcing angles 10 of spot welding are distinguished at the Tenon groove 9 of 8 inwall of Tenon steel pipe.
As shown in Fig. 8-Figure 14, the assemble method of the beam column mortise and tenon type node structure of this utility model assembling type steel structure,
Concrete assembling process is as follows：
As shown in figure 8, orthogonal beams members A1 is above orthogonal beams members B4, groove suitable for reading 2 is engaged assembly with lower 5 para-position of mouth groove, orthogonal
Beam A1 is intersected vertically in the horizontal direction with orthogonal beams members B4.
As shown in Figure 9, Figure 10, after orthogonal beams members A1 and orthogonal beams members B4 is completed, at the web 14 that the two connects, upper,
Under it is each a piece of reinforcing ring 6 is installed, reinforcing ring occlusion keyway 7 is engaged 3 para-position of key and is engaged with reinforcing ring.In Figure 10, reinforcing ring 6 is positioned
After calibration, the both sides intersected with orthogonal beams members A1 and the orthogonal beams members B4 edges of a wing in reinforcing ring occlusion keyway 7 respectively are welded, and complete to add
The assembling of strong ring 6 and orthogonal beams members A1 and orthogonal beams members B4.
Orthogonal beams members A1 and orthogonal beams members B4 are orthogonal in cross, orthogonal beams members A1 under, orthogonal beams members B4 upper, according to groove suitable for reading 2 with
Lower 5 para-position of mouth groove is assembled, after the completion of splicing, with 6 one groups of two panels of reinforcing ring, one on the other, according to reinforcing ring be engaged groove 7 with just
Hand over the reinforcing ring on beam (orthogonal beams members A1 and orthogonal beams members B4) be engaged 3 para-position of key, it is as shown in Figure 10 after para-position, and in reinforcing ring 6 and
Spot welding or welding are carried out where the edge of a wing contact of orthogonal beams members, it is fixed to strengthen ring position.Above-mentioned assembly working, can be according to reality
Transporting and hoisting situation, completes or is completed at the construction field (site) in factory-assembled.
As shown in figure 11, the structure after assembled reinforcing ring 6 with orthogonal beams members A1 and orthogonal beams members B4, is lifted into Tenon steel pipe 8
(under), it is ensured that the web 14 of orthogonal beams members A1 and orthogonal beams members B4 be inserted into Tenon steel pipe 8 (under) Tenon groove 9 in.In Tenon steel
Pipe 8 (under) position intersected with orthogonal beams members A1 and the orthogonal beams members B4 edges of a wing, apply weld seam.Then, then install Tenon steel pipe 8 (on),
It is lifted in the structure after reinforcing ring 6 is assembled with orthogonal beams members A1 and orthogonal beams members B4, it is ensured that orthogonal beams members A1's and orthogonal beams members B4
Web be inserted into Tenon steel pipe 8 (on) Tenon groove 9 in.
The vertical connection of this utility model node and node connects by Tenon steel pipe 8, except framework top and ground
Base section, only in end mortise fourth of the twelve Earthly Branches groove 9, the Tenon steel pipe of other positions is as the mode of Fig. 4-7 adds for Tenon steel pipe 8
Work, the equal mortise fourth of the twelve Earthly Branches groove of upper and lower side.
The orthogonal beams members region surrounded by one group of (two) Tenon steel pipe, 8 vertical insertion reinforcing ring 6, according to Tenon steel pipe 8
On Tenon groove 9 and orthogonal web para-position, after the completion of assembly, the structure of above-mentioned assembling is shown in Figure 12, by two Tenon steel pipes 8
Engagement edge does soldering, the position of fixed Tenon steel pipe 8.
As shown in Figure 13, Figure 14, repeat said process, complete other Tenon steel pipes 8 and orthogonal beams members A1, orthogonal beams members B4 and add
The assembling of strong ring 6.Then, lifting connection girder steel 11, make two beam-ends of connection girder steel 11 respectively with orthogonal beams members A1 and orthogonal beams members
The beam-ends of B4 is relative, in the relative part of beam-ends, applies strengthening of steel bridge angle steel 12 respectively, by weldering between strengthening of steel bridge angle steel 12
Connect or bolt connection, complete the assembling of assembled steel frame structure.
As shown in figure 13, this utility model mortise-tenon joint combination of nodes framework, a framework is by eight mortise-tenon joint nodes
Composition, ibid, node and node laterally rely on connection girder steel 11 to connect the connected mode of each node.As shown in figure 14, will
Strengthening of steel bridge angle steel 12 is respectively welded at orthogonal beams members A1 and orthogonal beams members B4 and the end points for being connected girder steel 11, then by bolt or weldering
Connect and two panels reinforcing angle 12 is connected, complete orthogonal beams members and the lateral connection for being connected girder steel.
Embodiment result shows, the beam column mortise and tenon type node structure of assembling type steel structure of the present utility model and assembling side
Method, connection in Liang Yuliang, in the connection of Liang Yuzhu, is connected by notch, keyway para-position, para-position can be made more accurate, and
And construct it is convenient, save time, efficiently；Mainly by notch, the occlusion of keyway, weld seam only plays fixation, applies for power transmission between component
Work difficulty is little, less demanding to the technical merit of workmen, and construction quality is easily guaranteed that, meanwhile, because reducing structure
Weld seam between part, so as to reduce the residual stress between component, improves the anti-seismic performance of node；Each component of node,
Can be prefabricated in the factory and machine, site operation is mainly based on assembling, therefore speed of application is fast, simple to operate；Orthogonal beams members
Web insertion in the Tenon steel pipe, a part of power of beam-ends can be transmitted by insertion portion, with traditional beam not insertion side
Formula is compared, it is possible to reduce the size of reinforcing ring, improves integrally-built aesthetic property；The moment of flexure of orthogonal beams members is by being just mutually twisted
Web and coupled reinforcing ring is handed over to be delivered to Tenon steel pipe, shearing passes to post by Tenon groove, and is provided with
Tenon groove reinforcing angle prevents the excessive destruction for causing Tenon steel pipe post jamb of shearing.Therefore, with Path of Force Transfer more rationally, pass
Power mechanism is more reliable；Assemble method, has considered the requirement of prefabrication and site operation, easily facilitates design, construction, weldering
Workload very little is connect, environmental protection and energy saving have better met the requirement of green building instantly.
Claims (5)
1. the beam column mortise and tenon type node structure of a kind of assembling type steel structure, it is characterised in that the structure includes：It is orthogonal beams members A, suitable for reading
Groove, reinforcing ring occlusion key, orthogonal beams members B, lower mouth groove, reinforcing ring, reinforcing ring occlusion keyway, Tenon steel pipe, Tenon groove, Tenon are recessed
Groove reinforcing angle, connection girder steel, strengthening of steel bridge angle steel, the edge of a wing, web, form mortise-tenon joint combination of nodes framework, each framework
Be made up of eight mortise-tenon joint nodes, node and node it is vertical by Tenon fastener for connection, node and node laterally across
Connection girder steel connection, concrete structure are as follows：
The both sides of orthogonal beams members A are provided with the edge of a wing, and the mid portion of orthogonal beams members A only retains web, have four reinforcing ring occlusions on web
Key and groove suitable for reading, respectively positioned at the corner of web, groove suitable for reading is located in the middle of the top of web four reinforcing ring occlusion keys；It is orthogonal
The both sides of beam B are provided with the edge of a wing, and the mid portion of orthogonal beams members B only retains web, have on web four reinforcing rings occlusion keys and under
Mouth groove, respectively positioned at the corner of web, lower mouth groove is located in the middle of the bottom of web four reinforcing rings occlusion keys；Four sides of reinforcing ring
Reinforcing ring occlusion keyway is provided with, and key to be engaged with reinforcing ring highly identical for the depth of reinforcing ring occlusion keyway；Orthogonal beams members A is located at orthogonal
Above beam B, groove suitable for reading is engaged assembly with lower mouth groove para-position, and orthogonal beams members A is intersected vertically in the horizontal direction with orthogonal beams members B；Orthogonal beams members A
After being completed with orthogonal beams members B, at the web that the two connects, upper and lower to be respectively provided with reinforcing ring, reinforcing ring is engaged keyway and adds
Strong ring occlusion key para-position occlusion；
Mortise fourth of the twelve Earthly Branches groove on four walls of Tenon steel pipe upper and lower side, is respectively provided with Tenon in the Tenon groove of Tenon steel pipe inner wall recessed
Groove reinforcing angle；Two beam-ends of connection girder steel are relative with the beam-ends of orthogonal beams members A or orthogonal beams members B respectively, in orthogonal beams members A or orthogonal
Beam B is respectively provided with strengthening of steel bridge angle steel with the end points for being connected girder steel, connects between relative strengthening of steel bridge angle steel.
2. according to the beam column mortise and tenon type node structure of the assembling type steel structure described in claim 1, it is characterised in that reinforcing ring is stung
The opening depth for closing key protrusion 5-15mm, groove suitable for reading and lower mouth groove is 1/2nd of web height.
3. according to the beam column mortise and tenon type node structure of the assembling type steel structure described in claim 1, it is characterised in that Tenon groove
Depth be 1/2nd of web height, reinforce in Tenon groove three Tenon grooves of difference spot welding of Tenon steel pipe inner wall
Angle steel.
4. according to the beam column mortise and tenon type node structure of the assembling type steel structure described in claim 1, it is characterised in that in orthogonal beams members
A and orthogonal beams members B is respectively welded strengthening of steel bridge angle steel with the end points for being connected girder steel, by welding between relative strengthening of steel bridge angle steel
Or bolt connection.
5. according to the beam column mortise and tenon type node structure of the assembling type steel structure described in claim 1, it is characterised in that in framework most
Top layer and Foundation Part, Tenon steel pipe only open up Tenon groove an end, and the Tenon steel pipe of other positions is in upper and lower side
Open up Tenon groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076005.3U CN206052985U (en) | 2016-09-23 | 2016-09-23 | The beam column mortise and tenon type node structure of assembling type steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076005.3U CN206052985U (en) | 2016-09-23 | 2016-09-23 | The beam column mortise and tenon type node structure of assembling type steel structure |
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| Publication Number | Publication Date |
|---|---|
| CN206052985U true CN206052985U (en) | 2017-03-29 |
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ID=58367228
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621076005.3U Expired - Fee Related CN206052985U (en) | 2016-09-23 | 2016-09-23 | The beam column mortise and tenon type node structure of assembling type steel structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193335A (en) * | 2016-09-23 | 2016-12-07 | 沈阳建筑大学 | The beam column mortise and tenon type node structure of assembling type steel structure and assemble method |
| CN106917453A (en) * | 2017-04-18 | 2017-07-04 | 苏州标杆知识产权运营有限公司 | A kind of connection structure of steel structural member |
| CN109372108A (en) * | 2018-12-16 | 2019-02-22 | 北京工业大学 | The prefabricated assembled beam column L shape node of soap-free emulsion polymeization |
| CN110056086A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | New type FRP profile quick assembled type beam-column node structure |
| CN110258806A (en) * | 2019-07-17 | 2019-09-20 | 天津大学 | The mortise and tenon type node and spatial mesh structure of socket joint connection space network |
| CN111075019A (en) * | 2020-01-03 | 2020-04-28 | 无锡北大建筑工程有限公司 | Assembly type steel structure integrated green building and design and installation process thereof |
| CN111519772A (en) * | 2020-04-26 | 2020-08-11 | 江苏科技大学 | Light steel structure with joggled connection nodes |
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2016
- 2016-09-23 CN CN201621076005.3U patent/CN206052985U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193335A (en) * | 2016-09-23 | 2016-12-07 | 沈阳建筑大学 | The beam column mortise and tenon type node structure of assembling type steel structure and assemble method |
| CN106193335B (en) * | 2016-09-23 | 2018-06-29 | 沈阳建筑大学 | The beam column mortise and tenon type node structure and assemble method of assembling type steel structure |
| CN106917453A (en) * | 2017-04-18 | 2017-07-04 | 苏州标杆知识产权运营有限公司 | A kind of connection structure of steel structural member |
| CN109372108A (en) * | 2018-12-16 | 2019-02-22 | 北京工业大学 | The prefabricated assembled beam column L shape node of soap-free emulsion polymeization |
| CN110056086A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | New type FRP profile quick assembled type beam-column node structure |
| CN110258806A (en) * | 2019-07-17 | 2019-09-20 | 天津大学 | The mortise and tenon type node and spatial mesh structure of socket joint connection space network |
| CN111075019A (en) * | 2020-01-03 | 2020-04-28 | 无锡北大建筑工程有限公司 | Assembly type steel structure integrated green building and design and installation process thereof |
| CN111519772A (en) * | 2020-04-26 | 2020-08-11 | 江苏科技大学 | Light steel structure with joggled connection nodes |
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