CN109057012A - Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake - Google Patents
Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake Download PDFInfo
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- CN109057012A CN109057012A CN201810808235.1A CN201810808235A CN109057012A CN 109057012 A CN109057012 A CN 109057012A CN 201810808235 A CN201810808235 A CN 201810808235A CN 109057012 A CN109057012 A CN 109057012A
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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
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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
- E04B1/62—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
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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
- E04B2001/2406—Connection nodes
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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
- E04B2001/2418—Details of bolting
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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
- E04B2001/2448—Connections between open section profiles
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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
- E04B2001/2457—Beam to beam connections
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- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
本发明公开了震后自复位可装配多段梁中心预应力支撑钢框架，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组装预应力中心支撑构件构成震后自复位可装配多段梁中心预应力支撑钢框架结构体系。
The invention discloses a post-earthquake self-resettable multi-segment beam center prestressed 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 web connecting plates and high-strength silicone rubber plates to form a non-welded full-bolt connection form with good ductility and strong energy consumption; Prestressed steel cables are applied to the connection between the beam and the I-beam at the end to form a prestressed self-resetting node after an earthquake. After connecting each node in turn, assemble a prefabricated concrete-profiled steel composite floor or a poured concrete floor to assemble a prestressed central support member. The post-earthquake self-resetting steel frame structure system can be assembled with multi-segment beam central prestressed support.
Description
Technical field
The present invention relates to Self-resettings after a kind of shake can assemble multistage beam center pre-loaded support struts steel frame, belongs to protection against and mitigation of earthquake disasters
Technical field.
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
Multistage beam center can be assembled the invention proposes Self-resetting after a kind of shake for belonging to protection against and mitigation of earthquake disasters technical field to answer in advance
Power Braced Frames.Its object is to improve frame structure ductile performance and then improve structural seismic performance, repaired after reducing shake
Difficulty and maintenance cost reduce the construction period, reduce cost of labor.Self-resetting can assemble multistage beam center pre-loaded support struts after shake
Steel frame is constituted substantially including frame column, node beam, intermediate beam, prestressed cable, bean column node connector and beam beam joint etc.
Component.Sequence of construction: bean column node, again mounting rail girder connection are first installed.Specific configuration is in the construction process, first to install beam column
Then top-seat-angle steel at node installs the I-steel web-angle of bean column node, after bean column node installation, mounting rail beam section
Point: the web connecting plate of first mounting rail girder connection, then top bottom high-strength tear-resistant silicane rubber plate and sealing plate are installed, finally to height
Strength prestressed rope install and tensioning, and beam beam contact surface generates compressive pre-stress under the action of prestressed cable stretching force, this
Compressive pre-stress will provide biggish resist torque for beam girder connection, greatly improve bonding strength, and the web of Liang Liangjiedianchu
Connecting plate effectively increases web thickness, provides biggish resistance shearing for beam girder connection.
Self-resetting can assemble multistage beam center pre-loaded support struts steel frame basic principle after shake: when geological process reaches middle shake
When horizontal, 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
The damage of the main components such as column.After geological process, structure is in the pretension of prestressed cable and the contraction masterpiece of high-strength silicone rubber
Shake front position is restored under.Studies have shown that the combination of the high-strength silicone rubber and prestressed cable of the junction Liang Liang normally makes
With the intensity that can achieve welding under working condition, the amount of deflection generated in use process be less than standardize as defined in maximum defluxion；?
Under geological process, high-strength silicone rubber and prestressed cable can play its excellent telescopicing performance, absorb seismic energy, and then make beam
Column border node 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 center pre-loaded support struts steel frame after shake: (1) new technology and new
The combination of material makes steel frame have better anti-seismic performance, and the application of prestressing technique drops reparation difficulty after shake significantly
Low, the present invention can be realized certainly using the elastic shrinkage ability of prestressed cable and high-strength silicone rubber in the lesser situation of angle of displacement
It resets, without repairing；(2) it can achieve the intensity of welding under normal use working condition, the amount of deflection generated in use process is small
The maximum defluxion as defined in standardizing；(3) main to be connected by high-strength bolt, construction site does not have welding, more without tradition
The wet construction of concrete structure, process is easy, environmentally protective, is bolted and mores easily guarantee construction quality, avoids because of construction personnel
Personal quality is not high, welding material is bad, robs weldquality difference caused by the reasons such as work in turn results in architecture quality safety accident
Generation；(4) be bolted form entirely and can realize the batch production manufacture of building structure, prefabricated construction, substantially reduce the duration at
Sheet and cost of labor.
The technical solution adopted by the present invention is that Self-resetting can assemble multistage beam center pre-loaded support struts steel frame, I-shaped after shaking
Girder steel is connect by web-angle and boom angle with various forms of Special-Shaped Columns, and the type of attachment of the full bolt of no-welding-seam is formed；
Middle part I-beam is connect with end I-beam by web connecting plate and high-strength silicane rubber plate, and good working ductility, energy consumption property are formed
The strong no-welding-seam of energy is bolted form entirely；I-beam in the middle part of the full bolt of no-welding-seam is applied with end I-beam junction and is answered in advance
Power cable wire forms Self-resetting node after prestressing force shake, after being sequentially connected each node and prestressing force central supported, assembles prefabricated mixed
Solidifying soil-profiled steel sheet combination floor or casting concrete floor, Self-resetting can after assembling prestressing force central supported component constitutes shake
Assemble multistage beam center pre-loaded support struts steel frame structural system；
Special-Shaped Column form is L shape column 1, T shape column 2 and cross section column.
According to position difference, joint form includes three kinds of specifications, and respectively L shape node connects, and T-section point connects
It connects, crisscross joint connection；
The crisscross joint connection is that frame mid portion frame column 3 is connect with end I-beam 4.Specific Connection Step: it hangs
Installing is standby by the close contact vertical with cross section column 3 of end I-beam 4, and web-angle 5 is used as connector high-strength bolt by end
Portion's I-beam 4 is linked together with cross section column 3, must guarantee in installation process end I-beam 4 perpendicular to cross section 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 as two sections of beams connector high-strength bolt by middle part I-beam 7 with hold
Portion's I-beam 4 is linked together, and then installs high-strength silicane rubber plate 9 and sealing plate 10 with high-strength bolt；
The L shape node type of attachment, T-section point type of attachment are identical as crisscross joint type of attachment.Only cross
L shape column 1 is respectively adopted in shape column 3 and T shape column 2 is replaced；The connection of L shape node is that L shape column 1 is connect with end I-beam 4；T-section point
Connection is that T shape column 2 is connect with end I-beam 4；Crisscross joint connection is that cross section column 3 is connect with end I-beam 4.
Self-resetting can assemble multistage beam center pre-loaded support struts steel frame, the prestressed arrangement side of node after the shake
Each various forms of nodes are connected in the manner described above likes:；Prestressing force stick 11 is sequentially passed through and is reserved in I-beam reinforcer
Hole on 12 applies the prestress value of calculating, is anchored on I-beam reinforcer 12 with permanent anchorage.
Prestressing force central supported includes herringbone lateral resistant member, V-shaped lateral resistant member and monocline rod-type lateral resisting structure
Part, herringbone lateral resistant member, V-shaped lateral resistant member are made of prestressed cable 15, otic placode I 13 and otic placode II 14；Ear
Plate I 13 is by welding or is bolted on middle part steel I-beam 7, and prestressed cable 15 and otic placode I 13 are bolted；
Otic placode II 14 is by welding or is bolted at the node of frame column and end I-beam 4, prestressed cable 15 and otic placode II
14 are bolted；Prestressed cable 15 passes through the connection cover screwing that will be attached on prestressed cable 15 and applies prestressing force；
Monocline rod-type lateral resistant member is made of prestressed cable 15, otic placode II 14；Otic placode II 14 passes through welding or spiral shell
It tethers and is connected at the node of frame column and end I-beam 4,15 otic placode II 14 of prestressed cable is bolted；Another otic placode
II 14 is by welding or is bolted at the node of frame column and end I-beam 4, prestressed cable 15 and otic placode II 14
It is bolted；Prestressed cable 15 passes through the connection cover screwing that will be attached on prestressed cable 15 and applies prestressing force；
The prestressed cable 15 is high-intensitive rod iron, perhaps uses high strength steel strand, high strength type steel member or makes
With the high-intensitive rod iron with damper, high strength steel strand or high strength type steel member.
Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after the shake, using precast concrete-die mould steel
Plate composite floor, concrete slab 17 can be poured in factory, and profiled sheet 16 is poured as bed die as 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 multistage beam center pre-loaded support struts steel frame after above-mentioned shake
In, used beam is steel I-beam, and materials are easy, and the abdomen gap of I-beam is larger, passes through convenient for pipeline, effectively
Increase stud.
Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after the shake, and energy consumption position is located at Liang Liang splicing
Place, and be elasticity design at this, not only met the design requirement of " strong node, weak component ", but also can guarantee the safety of structural elements, with
High-intensity earthquake is resisted in design flexible；Nowhere welding is effectively protected all using mechanical erection high-strength bolt in installation process
Construction quality has been demonstrate,proved, has been reduced environmental pollution；Since the present invention can be loosened using full bolt connecting mode in building demolition
Bolt, carries out the dismounting of component one by one, and steel are utilized by high efficiente callback, reduce the generation of building waste, really realize green
The theory that colour circle is protected, 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 center pre-loaded support struts steel frame after the shake, and prestressing technique is applied in Liang Liang
The position of connection realizes the Self-resetting of structural elements after shake, greatly reduces rehabilitation cost after shake；Improve the anti-of bean column node
Shock stability, to improve the anti-seismic performance of frame structure system.
Self-resetting can assemble multistage beam center pre-loaded support struts steel frame and solve traditional steel building section after the shake
The weak status of point, has given full play to the advantage of steel construction good working ductility.Compared with traditional steel building node, have
Anti-seismic performance is good, and 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
The present invention is further described with example with reference to the accompanying drawing.
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 prestressing force concentrically braced steel frame schematic diagram of the invention
Fig. 9 is V-shaped prestressing force concentrically braced steel frame schematic diagram of the invention
Figure 10 is single prestressing force concentrically braced steel frame 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. prestressing force sticks, 12. I-beam reinforcers,
13. otic placode I, 14. otic placode II, 15. prestressed cables, 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 the pre-loaded support struts steel frame of multistage beam center after shake of the present invention, institute
The Special-Shaped Column being related to 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 the pre-loaded support struts steel frame of multistage beam center after shake of the present invention, main
To include L shape, T shape, crisscross joint form, be split in figure by taking crisscross joint as an example, the crisscross joint connects
Connect is that cross section column 3 is connect with end I-beam 4.Specific Connection Step: hanging device is by end I-beam 4 and cross section column 3
Vertical to be in close contact, end I-beam 4 and cross section column 3 are linked together by web-angle 5 as connector high-strength bolt, are pacified
It must guarantee that end I-beam 4 installs boom angle 6 perpendicular to cross section column 3, then with high-strength bolt to increase beam during dress
Rotational stiffness at Column border node, to achieve the effect that consolidation；
As shown in Fig. 3, Self-resetting can assemble in the pre-loaded support struts steel frame of multistage beam center after shake of the present invention, in
The Connection Step of portion's I-beam 7 and end I-beam 4: middle part I-beam 7 is contacted with end I-beam 4 and same by hanging device
On one horizontal plane, web connecting plate 8 as two sections of beams connector high-strength bolt by middle part I-beam 7 and end I-beam 4
It is linked together, high-strength silicane rubber plate 9 and sealing plate 10 then is installed with high-strength bolt；
As shown in Fig. 4, Self-resetting can assemble in the pre-loaded support struts steel frame of multistage beam center after shake of the present invention, section
It is beam-to-column joint that point connection, which is divided into two parts a part, 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 assemble multistage beam center pre-loaded support struts steel frame after shake of the present invention
In, there are three types of the forms of node, respectively L shape, T shape, cross；
As shown in attached drawing 8-9, Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake of the present invention
In, herringbone, V-shaped lateral resistant member are made of prestressed cable, otic placode I and otic placode II；Otic placode I passes through welding or bolt
It is connected on the steel I-beam of middle part, prestressed cable and otic placode I are bolted；Otic placode II by welding or be bolted in
At the node of frame column and end I-beam, prestressed cable and otic placode II are bolted；Prestressed cable will be by that will be attached to
Connection cover screwing on prestressed cable applies prestressing force；The prestressed cable is high-intensitive rod iron, or is twisted using high strength steel
Line, high strength type steel member, either using the high-intensitive rod iron with damper, high strength steel strand or high-intensitive fashioned iron structure
Part.
As shown in Fig. 10, Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake of the present invention
In, monocline rod-type lateral resistant member is made of prestressed cable, otic placode II；Otic placode II is by welding or is bolted in frame
At the node of column and end I-beam, prestressed cable otic placode II is bolted；Another otic placode II passes through welding or bolt
It is connected at the node of frame column and end I-beam, prestressed cable and otic placode II are bolted；Prestressed cable pass through by
The subsidiary connection cover screwing on prestressed cable applies prestressing force；The prestressed cable is high-intensitive rod iron, or using high-strength
Steel strand wires, high strength type steel member are spent, high-intensitive rod iron, high strength steel strand or high strength type with damper are either used
Steel member.
As shown in Fig. 11, Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake of the present invention
In, using precast concrete-profiled steel sheet combination floor, concrete slab can be poured in factory, and profiled sheet is poured as bed die
It, can also be cast-in-place at the construction field (site) for entirety；
As shown in Fig. 12, Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake of the present invention
In, organization center support frame structure system after gradually installing according to above-mentioned installation steps, floor uses precast concrete-die mould
Steel plate combination floor.
Claims (6)
1. Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake, it is characterised in that: steel I-beam passes through web
Angle steel and boom angle are connect with various forms of Special-Shaped Columns, form the type of attachment of the full bolt of no-welding-seam；Middle part I-beam with
End I-beam is connected by web connecting plate and high-strength silicane rubber plate, forms the strong no-welding-seam of good working ductility, energy-dissipating property
It is bolted form entirely；Prestressed cable is applied to I-beam in the middle part of the full bolt of no-welding-seam and end I-beam junction, is formed
Self-resetting node after prestressing force shake after being sequentially connected each node and prestressing force central supported, assembles precast concrete-die mould steel
Plate composite floor or casting concrete floor, Self-resetting can assemble in multistage beam after assembling prestressing force central supported component constitutes shake
Heart pre-loaded support struts steel frame structural system；
Special-Shaped Column form is 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, and ten
The connection of font node；
The crisscross joint connection is that cross section column (3) is connect with end I-beam (4)；Specific Connection Step: hanging device
By end I-beam (4) close contact vertical with cross section column (3), web-angle (5) is used as connector high-strength bolt by end
Portion's I-beam (4) is linked together with cross section column (3), must guarantee end I-beam (4) perpendicular to cross in installation process
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-shaped
Beam (4) contact and in same level, web connecting plate (8) as two sections of beams connector high-strength bolt by middle part I-shaped
Beam (7) is linked together with end I-beam (4), then installs high-strength silicane rubber plate (9) and sealing plate (10) with high-strength bolt；
The L shape node type of attachment, T-section point type of attachment are identical as crisscross joint type of attachment；Only cross section column
(3) L shape column (1) is respectively adopted and T shape column (2) is replaced；The connection of L shape node is that L shape column (1) is connect with end I-beam (4)；T
The connection of shape node is that T shape column (2) is connect with end I-beam (4)；Crisscross joint connection is cross section column (3) and end I-shaped
Beam (4) connection；
The prestressed arrangement of node: each various forms of nodes are connected in the manner described above；By prestressing force stick (11) according to
It is secondary across the hole being reserved on I-beam reinforcer (12), apply the prestress value of calculating, be anchored at I-shaped with permanent anchorage
On beam reinforcer (12)；
Prestressing force central supported includes herringbone lateral resistant member, V-shaped lateral resistant member and monocline rod-type lateral resistant member.
2. Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake according to claim 1, feature exists
In: herringbone lateral resistant member, V-shaped lateral resistant member are made of prestressed cable (15), otic placode I (13) and otic placode II (14)；
Otic placode I (13) is by welding or is bolted on middle part steel I-beam (7), and prestressed cable (15) and otic placode I (13) pass through
It is bolted；Otic placode II (14) is by welding or is bolted at the node of frame column and end I-beam (4), prestressing force
Rope (15) and otic placode II (14) are bolted；Prestressed cable (15) will be by that will be attached to the connector sleeve on prestressed cable (15)
Tighten application prestressing force.
3. Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake according to claim 1, feature exists
In: monocline rod-type lateral resistant member is made of prestressed cable (15), otic placode II (14)；Otic placode II (14) passes through welding or bolt
It is connected at the node of frame column and end I-beam (4), prestressed cable (15), otic placode II (14) are bolted；It is another
Otic placode II (14) by welding or be bolted at the node of frame column and end I-beam (4), prestressed cable (15) and
Otic placode II (14) is bolted；Prestressed cable (15) passes through the connection cover screwing that will be attached on prestressed cable (15) and applies
Prestressing force.
4. multistage beam center pre-loaded support struts steel frame can be assembled according to Self-resetting after shake described in claim 3 or 4, it is special
Sign is: the prestressed cable (15) is high-intensitive rod iron, perhaps using high strength steel strand, high strength type steel member or
Use the high-intensitive rod iron with damper, high strength steel strand or high strength type steel member.
5. Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake according to claim 1, feature exists
In: Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after the shake, be combined using precast concrete-profiled sheet
Floor, concrete slab (17) are poured in factory, and profiled sheet (16) is poured as bed die to exist for entirety or concrete slab (17)
Construction site is cast-in-place.
6. Self-resetting can assemble multistage beam center pre-loaded support struts steel frame after shake according to claim 1, feature exists
In: frame structure system is formed after gradually installing, floor uses precast concrete-profiled steel sheet combination floor.
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| CN118187292A (en) * | 2024-05-10 | 2024-06-14 | 青岛恒科鼎盛建筑工程有限公司 | High-strength reinforced concrete structure building node connection structure and construction method thereof |
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