CN101748794A - Connecting card and building steel frame node structure using the same - Google Patents
Connecting card and building steel frame node structure using the same Download PDFInfo
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- CN101748794A CN101748794A CN200910242908A CN200910242908A CN101748794A CN 101748794 A CN101748794 A CN 101748794A CN 200910242908 A CN200910242908 A CN 200910242908A CN 200910242908 A CN200910242908 A CN 200910242908A CN 101748794 A CN101748794 A CN 101748794A
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Abstract
The invention relates to a connecting card and a building steel frame node structure using the same, which is mainly used for connection of a building steel frame; the connecting card comprises a bearing plate and a self-locking plate, two blocking wings are arranged at left and right sides of the bearing plate, the blocking wing is composed of a pre-tightening plate which is opposite to the bearing plate in parallel and a transition plate, a groove is arranged on the bearing plate, a plurality of first through holes are arranged on the pre-tightening plate, the self-locking plate is connected on the transition plate and the inner wall of the bearing plate, the inner end of the transition plate is provided with a protruded self-locking shoulder, a first connecting plate is connected on the front end surface of the self-locking plate and the inner wall of the transition plate connected with the self-locking plate, a second connecting plate is connected between the outer wall of the transition plate and the pre-tightening plate, a fixed plate is connected at lower end of the transition plate, the fixed plate is vertical to the transition plate and is extended along the outer wall of the transition plate, the fixed plate is arranged at the lower part of the self-locking plate, a plurality of second through holes are arranged on the fixed plate, a connecting card, a second connecting card and a friction anti-shearing plate are arranged on a vertical column firstly on the ground, after the vertical column is arranged on the ground, and then a cross beam is arranged; the connecting card in the invention is convenient for being assembled with the cross beam and the vertical column.
Description
Technical field
The present invention relates to a kind of building structure and connector thereof, refer to a kind of Connection Card especially and use the construction steel frame node structure of this Connection Card.
Background technology
In the construction steel frame, the steel work connection performance between crossbeam and the mullion is the key of structural-load-carrying capacity and shock resistance.The applicant is in " Connection Card and the construction steel frame node structure " of application in 2007, construction steel frame node structure schematic diagram shown in Figure 1B, this construction steel frame node structure comprises mullion 1 ', four I-shaped crossbeams 2 ' and eight Connection Cards 3 ', Connection Card structural representation shown in Figure 1A, this Connection Card 3 ' comprises loaded plate 7 ', it is the L shaped card wing 5 ' that the left and right sides of loaded plate 7 ' is provided with a cross section, the card wing 5 ' forms the draw-in groove that a cross section is a door shape with loaded plate 7 ', this card wing 5 ' is by pretension plate 6 ' relative with loaded plate 7 ' and the self-locking mounting plate 9 ' formation that is connected loaded plate 7 ' and pretension plate 6 ', self-locking mounting plate 9 ' has the self-locking shoulder 8 ' of protrusion near an end of loaded plate 7 ', the junction of this self-locking shoulder 8 ' and loaded plate 7 ' has the arc groove towards self-locking mounting plate 9 ' direction, the joint face of its other end and pretension plate 6 ' is inclined-plane or concave surface, have two through holes on the self-locking mounting plate 9 ', have a through hole on the pretension plate 6 '.Per two groups of Connection Cards 3 ' are positioned at fixes two crossbeams 2 ' on the straight line, per two Connection Cards 3 ' are formed an assembly and are closed connection, two Connection Cards 3 ' of each group lay respectively on the two relative side of mullion 1 ', wherein two groups of Connection Cards 3 ' on crossbeam 2 ' are arranged at the web of this I-shaped crossbeam 2 ' and four corners of wing plate junction respectively, and every group of Connection Card 3 ' is that the center is symmetrical distribution with the web of crossbeam 2 ', the self-locking mounting plate 9 ' symmetry of its Connection Card 3 ' is placed on the wing plate of crossbeam 2 ' and with wing plate and is spirally connected, pretension plate 6 ' symmetry is placed on the web of crossbeam 2 ' and is bolted together, other two groups of Connection Cards, 3 ' fixing two crossbeams 2 ' in addition, these two groups of Connection Cards 3 ' are placed on the top and bottom of the last lower wing plate of crossbeam 2 ' respectively, one group of Connection Card, the 3 ' symmetry of upper flange is placed, two pretension plate 6 ' is face-to-face near being screwed onto together with bolt, and its self-locking mounting plate 9 ' separately all is screwed onto on the wing plate of this crossbeam 2 '; The connected mode of the Connection Card 3 ' on one group of Connection Card 3 ' under the lower wing plate and the upper flange is identical.
Above-mentioned construction steel frame structure is earlier mullion 1 ' to be fixed in ground in installation process, in the air Connection Card 3 ' is bolted in by bolt at height then and is hung on aerial crossbeam 2 ' and the mullion 1 ' the very inconvenient installation of such construction steel frame node structure.
Summary of the invention
The object of the present invention is to provide a kind of Connection Card and construction steel frame node structure, its Connection Card is convenient to be installed together with crossbeam and mullion.
To achieve these goals, technical solution of the present invention is: a kind of Connection Card, comprise loaded plate and self-locking plate, be provided with two card wings in the left and right sides of loaded plate, the wherein said card wing is by constituting with the rebound that is connected loaded plate and pretension plate medial extremity with the parallel relative pretension plate of loaded plate, be provided with a groove above the described loaded plate, described pretension plate is provided with several first through holes, be connected with self-locking plate on described rebound and the loaded plate inwall, described self-locking plate inner end has the self-locking shoulder of protrusion, be connected with first junction plate on the rebound inwall that described self-locking plate front end face reaches with this self-locking plate is connected, be connected with second junction plate between described rebound outer wall and the pretension plate, described rebound lower end is connected with fixed head, described fixed head vertically passing cab apron also extends along the rebound outer wall, described fixed head is positioned at the self-locking plate bottom, and described fixed head is provided with several second through holes.
Connection Card of the present invention, wherein said first and second junction plate is triangular plate.
Connection Card of the present invention, wherein said groove are V-arrangement.
Connection Card of the present invention, wherein said pretension plate is an ellipse or rectangular slab.
Connection Card of the present invention, wherein said loaded plate outer wall middle lower portion is provided with the projection that a cross section is half arc.
Connection Card of the present invention, wherein said fixed head is made of arc and rectangular slab one.
A kind of construction steel frame node structure that adopts described Connection Card, it comprises mullion and four crossbeams, wherein said structure also comprises two groups of Connection Cards, two group of second Connection Card and four friction shear resisting boards, per two Connection Cards are formed an assembly and are closed connection, two Connection Cards of each group lay respectively on the two relative side of mullion, described second Connection Card comprises second loaded plate and two junction plates, be provided with two the second card wings in the left and right sides of second loaded plate, the described second card wing is by constituting with second self-locking plate that is connected second loaded plate and the second pretension plate with the parallel second relative pretension plate of second loaded plate, the described second self-locking plate inner end has second self-locking shoulder of protrusion, the second self-locking plate bottom of two the second card wings and the second loaded plate side also linked together with described second loaded plate about described junction plate was positioned at, described junction plate is provided with several through holes, per two second Connection Cards are formed an assembly and are closed connection, two second Connection Cards of each group lay respectively on the two relative side of mullion, described friction shear resisting board is L shaped friction plate by the cross section and constitutes with friction plate two middle side parts first shear resisting board connected vertically and second shear resisting board, the second shear resisting board length that the first shear resisting board length that the short side in described friction plate cross section connects connects less than the long side in friction plate cross section, described four friction shear resisting boards are distributed in four jiaos of external surfaces of mullion, first shear resisting board of each friction shear resisting board is connected with second shear resisting board with first shear resisting board that second shear resisting board is adjacent friction shear resisting board respectively, described two groups of Connection Cards be installed on respectively four friction shear resisting boards on, soffit and be symmetrical distribution, and be connected and fixed by the pretension bolt that passes on the Connection Card pretension plate, described first, two shear resisting boards all are placed in the described Connection Card groove, described two group of second Connection Card is installed on respectively on described two groups of Connection Cards, on the mullion of below and be symmetrical distribution, described two group of second Connection Card is connected and fixed by the pretension bolt that passes on its second pretension plate, described Connection Card and the vertical installation mutually of second Connection Card, described wherein two crossbeams are positioned over respectively between the fixed head of two groups of junction plates, fit and are spirally connected fixing by shearing bolt in web one side of described crossbeam and second shear resisting board of friction shear resisting board surface, the wing plate of described crossbeam and the fixed head of described Connection Card are spirally connected fixing by set bolt, described other two crossbeams are positioned over respectively between second junction plate of two group of second Connection Card, web one side of described crossbeam and first shear resisting board of friction shear resisting board surface are fitted and are spirally connected by shearing bolt fixing, and second junction plate of the wing plate of described crossbeam and described second Connection Card is spirally connected fixing by set bolt.
The present invention adopts the construction steel frame node structure of described Connection Card, and the junction plate of wherein said second Connection Card and second self-locking plate are L shaped plate, and the described second pretension plate is an ellipse or rectangular slab, has at least two through holes on the described second pretension plate.
The present invention adopts the construction steel frame node structure of described Connection Card, and there is an inclined-plane the wherein said position that is positioned at close described second loaded plate in inner end of second self-locking plate.
After adopting such scheme, Connection Card of the present invention and the construction steel frame node structure that adopts this Connection Card are by with the Connection Card design improvement, can be when construction steel frame node structure be installed, with Connection Card, second Connection Card, friction shear resisting board and mullion are finished in floor mounted earlier, friction shear resisting board passes through Connection Card, second Connection Card is fixed on the mullion, Connection Card, second Connection Card is fixed on the mullion by the pretension bolt and second pretension bolt respectively, then with mullion, friction shear resisting board and Connection Card, the second Connection Card one holds up, below mullion, be fixed on the ground, then crossbeam is positioned between the fixed head of Connection Card respectively and between the junction plate of second Connection Card, again will be wherein each crossbeam with set bolt and shearing bolt fixing the getting final product that be spirally connected, fitting operation is very convenient.
Description of drawings
Figure 1A is existing Connection Card structural representation;
Figure 1B is existing construction steel frame node structure schematic diagram;
Fig. 2 is the structural representation one of Connection Card of the present invention;
Fig. 3 is the structural representation two of Connection Card of the present invention;
Fig. 4 is the schematic diagram of the present invention's construction steel frame node structure (not containing crossbeam) of using this Connection Card;
Fig. 5 is the construction steel frame node structure schematic diagram that the present invention uses this Connection Card;
Fig. 6 is the vertical view that the present invention uses friction shear resisting board in the construction steel frame node structure of this Connection Card.
Below in conjunction with accompanying drawing, the present invention is described further by embodiment;
The specific embodiment
See also the structural representation of Connection Card of the present invention shown in Figure 2, this Connection Card 10 comprises loaded plate 1 and self-locking plate 5, be provided with two card wings 4 in the left and right sides of loaded plate 1, the card wing 4 is made of with the rebound 2 that is connected loaded plate 1 and pretension plate 3 medial extremitys the pretension plate 3 with the parallel relative rectangle of loaded plate 1, be provided with a v-depression 11 above the loaded plate 1, pretension plate 3 is provided with two first through holes 31, be connected with self-locking plate 5 on rebound 2 and loaded plate 1 inwall, self-locking plate 5 inner ends have the self-locking shoulder 6 of protrusion, being connected with first junction plate, 7, the first junction plates 7 on rebound 2 inwalls that self-locking plate 5 front end faces reach with this self-locking plate 5 is connected is triangular plate.Being connected with second junction plate, 8, the second junction plates 8 between rebound 2 outer walls and the pretension plate 3 is triangular plate.Rebound 2 lower ends are connected with fixed head 9, and fixed head 9 extends perpendicular to rebound 2 and along rebound 2 outer walls, and fixed head 9 is positioned at self-locking plate 2 bottoms, and fixed head 9 is provided with three second through holes 91.
As shown in Figure 3, loaded plate 1 outer wall middle lower portion is provided with the projection 12 that a cross section is half arc.
Fixed head 9 is made of arc 92 and rectangular slab 93 one.
Use the schematic diagram of the construction steel frame node structure (do not contain crossbeam and contain crossbeam) of this Connection Card as Fig. 4 and the present invention shown in Figure 5, it comprises mullion 20, four crossbeams 30, two groups of Connection Cards 10, two group of second Connection Card 40 and four friction shear resisting boards 50, per two Connection Cards 10 are formed an assembly and are closed connection, and two Connection Cards 10 of each group lay respectively on the two relative side of mullion 20.
As shown in Figure 4, second Connection Card 40 comprises second loaded plate 401 and two L shaped junction plates 406, be provided with two the second card wings 404 in the left and right sides of second loaded plate 401, the second card wing 404 is by constituting with L shaped second self-locking plate 402 that is connected second loaded plate 401 and the second pretension plate 403 with second loaded plate, the 401 parallel relative ellipse second pretension plates 403, have two through holes on the second pretension plate 403, second self-locking plate, 402 inner ends have second self-locking shoulder 405 of protrusion, and there is an inclined-plane position that is positioned at close second loaded plate 401 in inner end of second self-locking plate 402.Second self-locking plate, 402 bottoms of two the second card wings 404 and second loaded plate, 401 sides also linked together with second loaded plate 401 about junction plate 406 was positioned at, junction plate 406 is provided with three through holes 4061, per two second Connection Cards 40 are formed an assembly and are closed connection, and two second Connection Cards 40 of each group lay respectively on the two relative side of mullion 20.
In conjunction with shown in Figure 6, friction shear resisting board 50 is L shaped friction plate 501 by the cross section and constitutes with 501 liang of middle side parts of friction plate, first shear resisting board 502 connected vertically and second shear resisting board 503, second shear resisting board, 503 length that first shear resisting board, 502 length that the short side in friction plate 501 cross sections connects connect less than the long side in friction plate 501 cross sections, four friction shear resisting boards 50 are distributed in 20 4 jiaos of external surfaces of mullion, first shear resisting board 502 of each friction shear resisting board 50 is connected with second shear resisting board 503 with first shear resisting board 502 that second shear resisting board 503 is adjacent friction shear resisting board 50 respectively, two groups of Connection Cards 10 be installed on respectively four friction shear resisting boards 50 on, soffit and be symmetrical distribution, and be connected and fixed by the pretension bolt that passes on the Connection Card pretension plate 3, first shear resisting board 502, second shear resisting board 503 all is placed in the Connection Card groove 11, two group of second Connection Card 40 is installed on respectively on two groups of Connection Cards 10, on the mullion 20 of below and be symmetrical distribution, two group of second Connection Card 40 is connected and fixed by the pretension bolt that passes on its second pretension plate 403, Connection Card 10 and the 40 mutual vertical installations of second Connection Card, wherein two crossbeams 30 are positioned over respectively between the fixed head 9 of two groups of junction plates 10, fit and be spirally connected fixing by shearing bolt in second shear resisting board, 503 surfaces of web one side of crossbeam 30 and friction shear resisting board, the wing plate of crossbeam 30 and the fixed head of Connection Card 9 are spirally connected fixing by set bolt, other two crossbeams 30 are positioned over respectively between second junction plate 406 of two group of second Connection Card 40, first shear resisting board, 502 surfaces of web one side of crossbeam 30 and friction shear resisting board are fitted and are spirally connected by shearing bolt fixing, and second junction plate 406 of the wing plate of crossbeam 30 and second Connection Card is spirally connected fixing by set bolt.
Connection Card of the present invention and the construction steel frame node structure that uses this Connection Card are by with the Connection Card design improvement, can be when construction steel frame node structure be installed, with Connection Card 10, second Connection Card 40, friction shear resisting board 50 and mullion 20 are finished in floor mounted earlier, friction shear resisting board 50 is by Connection Card 10, second Connection Card 40 is fixed on the mullion 20, Connection Card 10, second Connection Card 40 is fixed on the mullion 20 by the pretension bolt and second pretension bolt respectively, then with mullion 20, friction shear resisting board 50 and Connection Card 10, second Connection Card, 40 one hold up, below mullion 20, be fixed on the ground, then crossbeam 30 is positioned between the fixed head 9 of Connection Card 10 respectively and between the junction plate 406 of second Connection Card 40, again will be wherein each crossbeam 30 usefulness set bolt and shearing bolt fixing the getting final product that be spirally connected, fitting operation is very convenient.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (9)
1. Connection Card, comprise loaded plate (1) and self-locking plate (5), be provided with two card wings (4) in the left and right sides of loaded plate (1), it is characterized in that: the described card wing (4) is by constituting with the rebound (2) that is connected loaded plate (1) and pretension plate (3) medial extremity with the parallel relative pretension plate (3) of loaded plate (1), be provided with a groove (11) above the described loaded plate (1), described pretension plate (3) is provided with several first through holes (31), be connected with self-locking plate (5) on described rebound (2) and loaded plate (1) inwall, described self-locking plate (5) inner end has the self-locking shoulder (6) of protrusion, described self-locking plate (5) front end face reaches on rebound (2) inwall that is connected with this self-locking plate (5) and is connected with first junction plate (7), be connected with second junction plate (8) between described rebound (2) outer wall and the pretension plate (3), described rebound (2) lower end is connected with fixed head (9), described fixed head (9) vertically passing cab apron (2) also extends along rebound (2) outer wall, described fixed head (9) is positioned at self-locking plate (2) bottom, and described fixed head (9) is provided with several second through holes (91).
2. Connection Card as claimed in claim 1 is characterized in that: described first and second junction plate (7,8) is triangular plate.
3. Connection Card as claimed in claim 2 is characterized in that: described groove (11) is a V-arrangement.
4. Connection Card as claimed in claim 3 is characterized in that: described pretension plate (3) is an ellipse or rectangular slab.
5. Connection Card as claimed in claim 4 is characterized in that: described loaded plate (1) outer wall middle lower portion is provided with the projection that a cross section is half arc (12).
6. Connection Card as claimed in claim 5 is characterized in that: described fixed head (9) is made of arc (92) and rectangular slab (93) one.
7. construction steel frame node structure that adopts each described Connection Card of claim 1-6, it comprises mullion (20) and four crossbeams (30), it is characterized in that: described structure also comprises two groups of Connection Cards (10), two group of second Connection Card (40) and four friction shear resisting boards (50), per two Connection Cards (10) are formed an assembly and are closed connection, two Connection Cards (10) of each group lay respectively on the two relative side of mullion (20), described second Connection Card (40) comprises second loaded plate (401) and two junction plates (406), be provided with two the second card wings (404) in the left and right sides of second loaded plate (401), the described second card wing (404) is by constituting with second self-locking plate (402) that is connected second loaded plate (401) and the second pretension plate (403) with the parallel second relative pretension plate (403) of second loaded plate (401), described second self-locking plate (402) inner end has second self-locking shoulder (405) of protrusion, second self-locking plate (402) bottom of two the second card wings (404) and second loaded plate (401) side also linked together with described second loaded plate (401) about described junction plate (406) was positioned at, described junction plate (406) is provided with several through holes (4061), per two second Connection Cards (40) are formed an assembly and are closed connection, two second Connection Cards (40) of each group lay respectively on the two relative side of mullion (20), described friction shear resisting board (50) is that L shaped friction plate (501) reaches and friction plate (501) two middle side parts first shear resisting boards connected vertically (502) and second shear resisting board (503) formation by the cross section, second shear resisting board (503) length that first shear resisting board (502) length that the short side in described friction plate (501) cross section connects connects less than the long side in friction plate (501) cross section, described four friction shear resisting boards (50) are distributed in (20) four jiaos of external surfaces of mullion, first shear resisting board (502) of each friction shear resisting board (50) is connected with second shear resisting board (503) with first shear resisting board (502) that second shear resisting board (503) is adjacent friction shear resisting board (50) respectively, described two groups of Connection Cards (10) be installed on respectively four friction shear resisting boards (50) on, soffit and be symmetrical distribution, and be connected and fixed by the pretension bolt that passes on the Connection Card pretension plate (3), described first, two shear resisting boards (502,503) all be placed in the described Connection Card groove (11), described two group of second Connection Card (40) is installed on respectively on described two groups of Connection Cards (10), the mullion (20) of below is gone up and is symmetrical distribution, described two group of second Connection Card (40) is connected and fixed by the pretension bolt that passes on its second pretension plate (403), described Connection Card (10) and second Connection Card (40) vertical installation mutually, described wherein two crossbeams (30) are positioned over respectively between the fixed head (9) of two groups of junction plates, fit and are spirally connected fixing by shearing bolt in web one side of described crossbeam (30) and second shear resisting board (503) of friction shear resisting board surface, the fixed head (9) of the wing plate of described crossbeam (30) and described Connection Card (10) is spirally connected fixing by set bolt, described other two crossbeams (30) are positioned over respectively between second junction plate (406) of two group of second Connection Card (40), web one side of described crossbeam and first shear resisting board (502) of friction shear resisting board surface are fitted and are spirally connected by shearing bolt fixing, and second junction plate (406) of the wing plate of described crossbeam (30) and described second Connection Card is spirally connected fixing by set bolt.
8. the construction steel frame node structure of the described Connection Card of employing as claimed in claim 7, it is characterized in that: junction plate of described second Connection Card (406) and second self-locking plate (402) are L shaped plate, the described second pretension plate (403) is an ellipse or rectangular slab, has at least two through holes on the described second pretension plate (403).
9. the construction steel frame node structure of the described Connection Card of employing as claimed in claim 8 is characterized in that: there is an inclined-plane the described position that is positioned at close described second loaded plate (401) in inner end of second self-locking plate (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102429082A CN101748794B (en) | 2009-12-17 | 2009-12-17 | Connecting card and building steel frame node structure using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102429082A CN101748794B (en) | 2009-12-17 | 2009-12-17 | Connecting card and building steel frame node structure using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101748794A true CN101748794A (en) | 2010-06-23 |
| CN101748794B CN101748794B (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102429082A Expired - Fee Related CN101748794B (en) | 2009-12-17 | 2009-12-17 | Connecting card and building steel frame node structure using the same |
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| CN (1) | CN101748794B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974941A (en) * | 2010-11-18 | 2011-02-16 | 甘秀明 | Self-locking connecting card |
| CN103882962A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Rigid joint assembly type steel structure system spliced by pre-stressing force in meshed mode |
| CN113062453A (en) * | 2021-03-24 | 2021-07-02 | 机械工业第九设计研究院有限公司 | Assembled steel construction building special-shaped structure post |
| CN113089827A (en) * | 2021-03-11 | 2021-07-09 | 中建八局第二建设有限公司 | Node structure of shaped steel concrete column and reinforced concrete beam |
| CN113700140A (en) * | 2021-08-25 | 2021-11-26 | 海南经济特区银锋钢结构有限公司 | High-strength self-fastening steel structure joint for energy-saving building and manufacturing method thereof |
| CN117306696A (en) * | 2023-11-18 | 2023-12-29 | 青岛鑫光正金属结构制造有限公司 | Steel construction beam column that steadiness is good |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276794A (en) * | 2013-06-08 | 2013-09-04 | 北京工业大学 | Hollow irregular column high-rise assembling steel frame-prestress central support system |
-
2009
- 2009-12-17 CN CN2009102429082A patent/CN101748794B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974941A (en) * | 2010-11-18 | 2011-02-16 | 甘秀明 | Self-locking connecting card |
| CN101974941B (en) * | 2010-11-18 | 2012-05-30 | 甘秀明 | Self-locking connecting card |
| CN103882962A (en) * | 2014-03-24 | 2014-06-25 | 北京工业大学 | Rigid joint assembly type steel structure system spliced by pre-stressing force in meshed mode |
| CN113089827A (en) * | 2021-03-11 | 2021-07-09 | 中建八局第二建设有限公司 | Node structure of shaped steel concrete column and reinforced concrete beam |
| CN113062453A (en) * | 2021-03-24 | 2021-07-02 | 机械工业第九设计研究院有限公司 | Assembled steel construction building special-shaped structure post |
| CN113700140A (en) * | 2021-08-25 | 2021-11-26 | 海南经济特区银锋钢结构有限公司 | High-strength self-fastening steel structure joint for energy-saving building and manufacturing method thereof |
| CN117306696A (en) * | 2023-11-18 | 2023-12-29 | 青岛鑫光正金属结构制造有限公司 | Steel construction beam column that steadiness is good |
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| Publication number | Publication date |
|---|---|
| CN101748794B (en) | 2011-06-08 |
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