CN109057013A - Self-resetting can assemble multistage beam concentrically braced steel frame after shake - Google Patents
Self-resetting can assemble multistage beam concentrically braced steel frame after shake Download PDFInfo
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- CN109057013A CN109057013A CN201810808242.1A CN201810808242A CN109057013A CN 109057013 A CN109057013 A CN 109057013A CN 201810808242 A CN201810808242 A CN 201810808242A CN 109057013 A CN109057013 A CN 109057013A
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- 239000010959 steel Substances 0.000 title claims abstract description 88
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 10
- 239000004945 silicone rubber Substances 0.000 claims abstract description 9
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract 6
- 238000010276 construction Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007596 consolidation process Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 2
- 238000011065 in-situ storage Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
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- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 9
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
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- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- 230000001681 protective effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明公开了震后自复位可装配多段梁中心支撑钢框架，工字钢梁通过腹板角钢及翼缘角钢，与不同形式的异形柱连接，形成无焊缝全螺栓的连接形式；所述中部工字梁与端部工字梁通过腹板连接板及高强硅橡胶板连接，形成延性性能好、耗能性能强的无焊缝全螺栓连接形式；对无焊缝全螺栓中部工字梁与端部工字梁连接处施加预应力钢索，形成预应力震后自复位节点，依次连接各个节点后装配预制混凝土‑压型钢板组合楼板或浇筑混凝土楼板构成震后自复位可装配多段梁中心支撑钢框架结构体系。
The invention discloses a post-earthquake self-resettable multi-segment beam central support steel frame. The I-shaped steel beam is connected with different forms of special-shaped columns through the web angle steel and the flange angle steel to form a connection form with no welds and full bolts; The middle I-beam and the end I-beam are connected through the web connecting plate and high-strength silicone rubber plate to form a non-welded full-bolt connection form with good ductility and strong energy dissipation performance; for the non-welded full-bolt central I-beam Prestressed steel cables are applied to the joints with the end I-beams to form prestressed self-resetting nodes after earthquakes. After connecting each node in turn, assemble prefabricated concrete-profiled steel composite floors or poured concrete floors to form post-earthquake self-resetting multi-section beams. Centrally braced steel frame structural system.
Description
Technical field
The present invention relates to Self-resettings after a kind of shake can assemble multistage beam concentrically braced steel frame, belongs to protection against and mitigation of earthquake disasters technology neck
Domain.
Background technique
Japanese steel house accounts for 60% or more of whole houses, and multiple earthquake proves that steel building is mixed relative to reinforcing bar
The anti-seismic performance that solidifying civil engineering is built greatly improves, and difficulty is repaired after shake and is substantially reduced.Therefore China, which greatly develops steel building, is
The only way of China's residenter house quality is improved, especially high in technological content steel structural form should more be obtained paying attention to and be sent out
Exhibition.
China's steel construction prestressing technique is quickly grown, wherein most representative is Beijing University of Technology Gymnasium, it should
The suspended-dome structure application prestressing technique in shop, reaches slim and graceful, energy-efficient effect, and well-known universities and colleges of more of China are pre- in large span
Stress steel structure system novel aspects have innovative research.But in frame structure system, applied especially at local nodes
Seldom, depth is far from enough for prestressing technique research.
High-strength tear-resistant silicon rubber is a kind of special synthetic rubber, has excellent thermal adaptability, chemical stabilization
Property and fire prevention, nontoxic feature, especially its tear resistance and tensile strength obtain mentioning greatly very much compared to traditional natural rubber
2000N/CM can be obtained in height, tensile strength2, in fields such as national defense industry, aviation, space travel, electric appliance, medical instruments, application is wide
It is general, but using still category blank in building structure, but high-intensitive, the high expansion and contraction itself having and its nontoxic characteristic of preventing fires
Meet requirement of the building structure to civil engineering material, should try to explore to make its excellent performance be not fully exerted using approach.
Summary of the invention
The invention proposes Self-resettings after a kind of shake for belonging to protection against and mitigation of earthquake disasters technical field can assemble multistage beam central supported
Steel frame.Its object is to improve frame structure ductile performance and then improve structural seismic performance, reduce repair after shake difficulty with
Maintenance cost reduces the construction period, reduces cost of labor.Self-resetting can assemble the basic structure of multistage beam concentrically braced steel frame after shake
At including components such as frame column, node beam, intermediate beam, prestressed cable, bean column node connector and beam beam joints.It constructs suitable
Sequence: bean column node, again mounting rail girder connection are first installed.Specific configuration is in the construction process, first to install the top at bean column node
Then base angle steel is installed the I-steel web-angle at bean column node and mounting rail girder connection: is first installed after bean column node installation
The web connecting plate of beam girder connection, then top bottom high-strength tear-resistant silicane rubber plate and sealing plate are installed, finally to high-strength prestressed
Suo Jinhang installation and tensioning, beam beam contact surface generates compressive pre-stress, this compressive pre-stress under the action of prestressed cable stretching force
Biggish resist torque will be provided for beam girder connection, and greatly improve bonding strength, and the web connecting plate of Liang Liangjiedianchu has
Effect increases web thickness, provides biggish resistance shearing for beam girder connection.
Self-resetting can assemble multistage beam concentrically braced steel frame basic principle after shake: when geological process reaches middle shake level
When, beam beam contact surface takes the lead in opening, and moderate finite deformation and earthquake energy occurs in high-strength silicone rubber, so as to avoid beam column etc.
The damage of main component.After geological process, structure is under the convergent force effect of the pretension and high-strength silicone rubber of prestressed cable
It is restored to shake front position.Studies have shown that the combination of the high-strength silicone rubber and prestressed cable of the junction Liang Liang is in normal use work
Make the intensity that can achieve welding under state, the amount of deflection generated in use process, which is less than, standardizes defined maximum defluxion；In earthquake
Under effect, high-strength silicone rubber and prestressed cable can play its excellent telescopicing performance, absorb seismic energy, and then make beam column section
Point is protected, and the design concept of " strong node, weak component " and " strong column and weak beam " is met.
The application of prestressed cable and high-strength silicone rubber enables steel-frame structure to obtain preferable anti-seismic performance and higher
Safety coefficient.Self-resetting can assemble the major advantage of multistage beam concentrically braced steel frame after shake: (1) new technology and new material
Combination makes steel frame have better anti-seismic performance, and the application of prestressing technique substantially reduces reparation difficulty after shake,
The present invention can realize Self-resetting using the elastic shrinkage ability of prestressed cable and high-strength silicone rubber in the lesser situation of angle of displacement,
Without repairing；(2) it can achieve the intensity of welding under normal use working condition, the amount of deflection generated in use process is less than specification
Defined maximum defluxion；(3) main to be connected by high-strength bolt, construction site does not have welding, more without conventional concrete
The wet construction of structure, process is easy, environmentally protective, is bolted and mores easily guarantee construction quality, avoids because of the personal element of construction personnel
Matter is not high, welding material is bad, robs the generation that weldquality difference caused by the reasons such as work in turn results in architecture quality safety accident；
(4) it is bolted form entirely and can realize the batch production manufacture of building structure, prefabricated construction, substantially reduce duration cost and artificial
Cost.
The technical solution adopted by the present invention is that Self-resetting can assemble multistage beam concentrically braced steel frame after shaking, and steel I-beam is logical
Web-angle and boom angle are crossed, is connect with various forms of Special-Shaped Columns, the type of attachment of the full bolt of no-welding-seam is formed；Middle part work
Word beam is connect with end I-beam by web connecting plate and high-strength silicane rubber plate, and it is strong to form good working ductility, energy-dissipating property
No-welding-seam is bolted form entirely；Prestress steel is applied to I-beam in the middle part of the full bolt of no-welding-seam and end I-beam junction
Rope forms Self-resetting node after prestressing force shake, after being sequentially connected each node and central supported, assembles precast concrete-die mould
Steel plate combination floor or casting concrete floor assemble central supported, and Self-resetting can assemble multistage beam center branch after component constitutes shake
Support steel frame structural system；
The form of Special-Shaped Column includes L shape column 1, T shape column 2 and cross section column 3；
According to position difference, joint form includes three kinds of specifications, and respectively L shape node connects, the connection of T-section point,
Crisscross joint connection；
The crisscross joint connection is that frame mid portion frame column i.e. cross section column 3 is connect with end I-beam 4.Specifically connect
Connect step: hanging device is in close contact end I-beam 4 is vertical with cross section column 3, and web-angle 5 is as connector with high-strength
End I-beam 4 and cross section column 3 are linked together by bolt, must guarantee end I-beam 4 perpendicular to cross in installation process
Shape column 3, then with high-strength bolt installation boom angle 6 to increase the rotational stiffness at bean column node, to achieve the effect that consolidation；
The Connection Step of middle part I-beam 7 and end I-beam 4: hanging device is by middle part I-beam 7 and end I-beam 4
Contact and in same level, web connecting plate 8 be used as in the middle part of I-beam 7 and end I-beam 4 connector and with high-strength
Middle part I-beam 7 and end I-beam 4 are linked together by bolt, then install high-strength silicane rubber plate 9 and sealing with high-strength bolt
Plate 10；
The L shape node type of attachment, T-section point type of attachment are identical as crisscross joint type of attachment.It is only special-shaped
L shape column 1 and T shape column 2 is respectively adopted in column；The connection of L shape node is that frame corner frame column i.e. L shape column 1 and end I-beam 4 connect
It connects；The connection of T-section point is that framework border trestle i.e. T shape column 2 is connect with end I-beam 4；Crisscross joint connection is in frame
Portion's frame column, that is, cross section column 3 is connect with end I-beam 4.
The prestressed arrangement of node: each various forms of nodes of connection；Prestressed cable 11 is sequentially passed through reserved
Hole on I-beam reinforcer 12 applies the prestress value of calculating, is anchored on I-beam reinforcer 12 with permanent anchorage.
Central supported includes herringbone side force component, V-shaped lateral resistant member and single support lateral resistant member.
Herringbone side force component, V-shaped lateral resistant member are made of cantilever lever I 13, cantilever lever II 14 and diagonal brace 15；It is outstanding
Armed lever I 13 is bolted on the I-beam 7 of middle part by billet, and diagonal brace 15 and cantilever lever I13 are connected by cover board bolt
It connects；Cantilever lever II 14 is bolted on end I-beam 4 and frame column by billet, diagonal brace 15 and cantilever lever II 14
It is connected with by cover board.
Single support lateral resistant member is made of cantilever lever II 14 and support 15, and cantilever lever II 14 passes through billet spiral shell
It tethers and is connected on end I-beam 4 and frame column, diagonal brace 15 and cantilever lever II 14 are connected with by cover board；
15 section form of diagonal brace is double angle, H profile steel, or use i shaped steel, double flute steel compound section, double angle group
Close section；The diagonal brace 15 is rolled products of ordinary high-strength steel plate strip, or uses buckling-restrained energy-dissipation or passive damper brace.
Using precast concrete-profiled steel sheet combination floor, concrete slab 17 is poured in factory, and profiled sheet 16 is used as bottom
Mould pour for entirety or concrete slab 17 it is cast-in-place at the construction field (site)；
Frame structure system is formed after gradually installing, floor uses precast concrete-profiled steel sheet combination floor.
The invention has the advantages that Self-resetting can assemble in multistage beam concentrically braced steel frame after above-mentioned shake, adopted
Beam is steel I-beam, and materials are easy, and the abdomen gap of I-beam is larger, passes through, effectively increases convenient for pipeline
Stud.
Self-resetting can assemble multistage beam concentrically braced steel frame after the shake, and energy consumption position is located at the stitching portion Liang Liang, and should
Place is elasticity design, not only meets the design requirement of " strong node, weak component ", but also can guarantee the safety of structural elements, with flexible
High-intensity earthquake is resisted in design；Nowhere welding has been effectively ensured and has applied all using mechanical erection high-strength bolt in installation process
Working medium amount, reduces environmental pollution；Since the present invention uses full bolt connecting mode, in building demolition, can with loose bolts, into
The dismounting of capable component one by one, steel are utilized by high efficiente callback, reduce the generation of building waste, really realize environmentally protective
Theory, therefore the present invention is a kind of good, environmentally protective, sustainable development steel structure node of anti-seismic performance.
Self-resetting can assemble multistage beam concentrically braced steel frame after the shake, and prestressing technique is applied in Liang Liang connection
Position realizes the Self-resetting of structural elements after shake, greatly reduces rehabilitation cost after shake；Improve the shock resistance of bean column node
Can, to improve the anti-seismic performance of frame structure system.
Self-resetting can assemble multistage beam concentrically braced steel frame and solve traditional steel building node weakness after the shake
Status, given full play to the advantage of steel construction good working ductility.Compared with traditional steel building node, there is shock resistance
Can be good, environmental pollution is small, safety accident it is few with repair the plurality of advantages such as difficulty is low.
Detailed description of the invention
Fig. 1 is L shape column of the invention, T shape column, cross section column schematic diagram.
Fig. 2 is that bean column node of the invention splits schematic diagram.
Fig. 3 is that Liang Liang connection of the invention splits schematic diagram.
Fig. 4 is that frame joint of the invention integrally splits schematic diagram.
Fig. 5 is L shape node schematic diagram of the invention.
Fig. 6 is T-section point schematic diagram of the invention.
Fig. 7 is crisscross joint schematic diagram of the invention.
Fig. 8 is herringbone concentrically braced steel frame schematic diagram of the invention.
Fig. 9 is V-shaped concentrically braced steel frame schematic diagram of the invention.
Figure 10 is single, central Braced Frames schematic diagram of the invention.
Figure 11 is precast concrete-profiled steel sheet combination floor of the invention.
Figure 12 is center support frame structural system schematic diagram of the invention.
1.L shape column in figure, 2.T shape column, 3. cross section columns, 4. end I-beams, 5. web-angles, 6. boom angles, 7.
Middle part I-beam, 8. web connecting plates, 9. high-strength silicane rubber plates, 10. sealing plates, 11. prestressed cables, 12. I-beam reinforcers,
13. cantilever lever I, 14. cantilever lever II, 15. diagonal braces, 16. profiled sheets, 17. concrete slabs.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
As shown in Fig. 1, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, related
Special-Shaped Column is respectively as follows: L shape column 1, T shape column 2, cross section column 3；
As shown in Fig. 2, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, mainly include
L shape, T shape, crisscross joint form, are split in figure by taking crisscross joint as an example, and the crisscross joint connection is ten
Font column 3 is connect with end I-beam 4.Specific Connection Step: hanging device is vertical with cross section column 3 tight by end I-beam 4
End I-beam 4 and cross section column 3 are linked together by contiguity touching, web-angle 5 as connector high-strength bolt, installation process
In must guarantee end I-beam 4 perpendicular to cross section column 3, then with high-strength bolt installation boom angle 6 to increase bean column node
The rotational stiffness at place, to achieve the effect that consolidation；
As shown in Fig. 3, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, middle part I-shaped
The Connection Step of beam 7 and end I-beam 4: middle part I-beam 7 is contacted with end I-beam 4 and in same level by hanging device
On face, middle part I-beam 7 and end I-beam 4 are linked as one as the connector high-strength bolt of two sections of beams by web connecting plate 8
Body then installs high-strength silicane rubber plate 9 and sealing plate 10 with high-strength bolt；
As shown in Fig. 4, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, node connection
Being divided into two parts a part is beam-to-column joint, and another part is that middle part I-beam 7 is connect with end I-beam 4；
As shown in attached drawing 5-7, Self-resetting can be assembled in multistage beam concentrically braced steel frame after shake of the present invention, node
Form there are three types of, respectively L shape, T shape, cross；
As shown in attached drawing 8-9, Self-resetting can be assembled in multistage beam concentrically braced steel frame after shake of the present invention, people
Font, V-shaped lateral resistant member are made of cantilever lever I, cantilever lever II and diagonal brace；Cantilever lever I is connected with by billet
In on the I-beam of middle part, diagonal brace and cantilever lever I are connected with by cover board；Cantilever lever II is bolted to by billet
On end I-beam and frame column, diagonal brace and cantilever lever II are connected with by cover board；
As shown in Fig. 10, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, list
Root support lateral resistant member is made of cantilever lever II and support, and cantilever lever II is bolted to end I-beam by billet
And on frame column, diagonal brace and cantilever lever II are connected with by cover board；Diagonal brace section form is double angle, H profile steel, or make
With i shaped steel, double flute steel compound section, dual-angle steel combined section；The diagonal brace is rolled products of ordinary high-strength steel plate strip, or is used
Buckling-restrained energy-dissipation or passive damper brace；Present embodiment illustrates by taking rolled products of ordinary high-strength double angle strip as an example；
As shown in Fig. 11, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, use
Precast concrete-profiled steel sheet combination floor, concrete slab can be poured in factory, and profiled sheet is poured as bed die as entirety,
It can also be cast-in-place at the construction field (site)；
As shown in Fig. 12, Self-resetting can assemble in multistage beam concentrically braced steel frame after shake of the present invention, according to
Organization center support frame structure system after above-mentioned installation steps are gradually installed, floor use precast concrete-profiled sheet group
Close floor.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808242.1A CN109057013A (en) | 2018-07-22 | 2018-07-22 | Self-resetting can assemble multistage beam concentrically braced steel frame after shake |
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| CN201810808242.1A CN109057013A (en) | 2018-07-22 | 2018-07-22 | Self-resetting can assemble multistage beam concentrically braced steel frame after shake |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653358A (en) * | 2019-01-25 | 2019-04-19 | 北京工业大学 | A kind of Self-resetting steel frame central supported system of big headroom |
| CN109653359A (en) * | 2019-01-25 | 2019-04-19 | 北京工业大学 | A kind of Self-resetting steel frame central supported system of big headroom and flange plate |
| CN109707037A (en) * | 2018-12-28 | 2019-05-03 | 长安大学 | A self-reset energy consumption system of prefabricated frame structure and its construction method |
| CN109707042A (en) * | 2019-01-25 | 2019-05-03 | 北京工业大学 | A self-resetting frame center support system with L-shaped connection nodes |
| CN109750747A (en) * | 2019-01-25 | 2019-05-14 | 北京工业大学 | A self-resetting frame center support system using corrugated web beams |
| CN109763565A (en) * | 2019-01-25 | 2019-05-17 | 北京工业大学 | A self-reset frame center support system |
| CN109779016A (en) * | 2019-01-25 | 2019-05-21 | 北京工业大学 | A self-reset frame center support system with end plate connection nodes |
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| CN109779016A (en) * | 2019-01-25 | 2019-05-21 | 北京工业大学 | A self-reset frame center support system with end plate connection nodes |
| CN109797854A (en) * | 2019-01-25 | 2019-05-24 | 北京工业大学 | A kind of recoverable function steel frame central supported system of big headroom |
| CN109653358A (en) * | 2019-01-25 | 2019-04-19 | 北京工业大学 | A kind of Self-resetting steel frame central supported system of big headroom |
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| CN110344560B (en) * | 2019-06-04 | 2021-03-12 | 中旭建设集团有限公司 | High-rise building outside steel construction bearing frame |
| CN110344560A (en) * | 2019-06-04 | 2019-10-18 | 中旭建设集团有限公司 | Steel construction bearing frame on the outside of a kind of skyscraper |
| CN111910763A (en) * | 2020-08-31 | 2020-11-10 | 河南省第二建设集团有限公司 | Prefabricated steel structure building special-shaped structural column and its connection method |
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