CN108824918A - Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage after shake - Google Patents

Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage after shake Download PDF

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Publication number
CN108824918A
CN108824918A CN201810808243.6A CN201810808243A CN108824918A CN 108824918 A CN108824918 A CN 108824918A CN 201810808243 A CN201810808243 A CN 201810808243A CN 108824918 A CN108824918 A CN 108824918A
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China
Prior art keywords
column
steel
self
node
otic placode
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CN201810808243.6A
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Chinese (zh)
Inventor
王子毅
王威
马东辉
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN201810808243.6A priority Critical patent/CN108824918A/en
Publication of CN108824918A publication Critical patent/CN108824918A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2406Connection nodes
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2418Details of bolting

Abstract

The invention discloses Self-resettings after shake can assemble the girder pre-stressed accentric support steel frame of multistage, and steel I-beam is connect by web-angle and boom angle with various forms of Special-Shaped Columns, forms the type of attachment of the full bolt of no-welding-seam;The middle part I-beam is connect with end I-beam by web connecting plate and high-strength silicane rubber plate, is formed the strong no-welding-seam of good working ductility, energy-dissipating property and 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, Self-resetting node after prestressing force shakes is formed, precast concrete-profiled steel sheet combination floor is assembled after being sequentially connected each node or casting concrete floor assembles Self-resetting after prestressing force accentric support component constitutes shake and can assemble multistage beam accentric support steel frame structural system.

Description

Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage after shake
Technical field
The present invention relates to Self-resettings after a kind of shake can assemble the girder pre-stressed accentric support steel frame of multistage, 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 Solidifying civil engineering is built anti-seismic performance and is greatly improved, and difficulty is repaired after shake and is substantially reduced.Therefore it is to mention that China, which greatly develops steel building, The only way of high China's residenter house quality, especially high in technological content steel structural form should more obtain paying attention to and develop.
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 high- and low-temperature resistance, and chemical property is steady Fixed, fire prevention, nontoxic feature, especially its tear resistance and tensile strength are greatly improved compared to traditional natural rubber, 2000N/CM can be obtained in tensile strength2, it is widely used in fields such as national defense industry, aviation, space travel, electric appliance, medical instruments, 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 accord with It builds requirement of the building structure to civil engineering material jointly, should try to explore to make its excellent performance be not fully exerted using approach.
Summary of the invention
The invention proposes Self-resetting after a kind of shake for belonging to protection against and mitigation of earthquake disasters technical field can assemble multistage it is girder pre-stressed partially Heart 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 the girder pre-stressed accentric support of multistage 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 and provides biggish resistance shearing for beam girder connection.
Self-resetting can assemble the girder pre-stressed accentric support steel frame basic principle of multistage 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 the girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage, 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; The middle part I-beam is connect with end I-beam by web connecting plate and high-strength silicane rubber plate, and good working ductility, consumption are formed The strong no-welding-seam of energy performance is bolted form entirely;I-beam in the middle part of the full bolt of no-welding-seam and end I-beam junction are applied Prestressed cable forms Self-resetting node after prestressing force shake;After being sequentially connected each node and prestressing force accentric support, assembly is pre- Concrete-profiled steel sheet combination floor or casting concrete floor processed assembles prestressing force accentric support component, constitutes runback after shake Position can assemble multistage beam accentric support steel frame structural system;
The form of Special-Shaped Column 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, Crisscross joint connection;
The crisscross joint connection is that cross section column 3 is connect with end I-beam 4.Specific Connection Step:Hanging device By the close contact vertical with cross section column 3 of end I-beam 4, web-angle 5 is used as connector high-strength bolt by end I-shaped Beam 4 is linked together with cross section column 3, must guarantee end I-beam 4 in installation process perpendicular to cross section column 3, then with high-strength Bolt installs boom angle 6 to increase the rotational stiffness at bean column node, reaches 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 and T shape column 2 is respectively adopted in shape column 3;The connection of L shape node is frame corner frame column i.e. L shape column 1 and end I-beam 4 Connection;The connection of T-section point 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 connects.
The prestressed arrangement of node:Connect each various forms of nodes;Prestressing force stick 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.
Prestressing force accentric support 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;Otic placode I 13 by welding or being 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 It is bolted;Prestressed cable 15 passes through the connection cover screwing that will be attached on prestressed cable 15 and applies prestressing force;It is described pre- Stress rope 15 is high-intensitive rod iron, perhaps uses high strength steel strand, high strength type steel member or uses the height with damper Intensity rod iron, high strength steel strand or high strength type steel member.
Monocline rod-type lateral resistant member is made of prestressed cable 15, otic placode I13;Otic placode I13 is connected by welding or bolt It is connected at end I-beam 4,15 otic placode I13 of prestressed cable is bolted;Another otic placode I13 is connected by welding or bolt It is connected at end I-beam 4, prestressed cable 15 and otic placode I13 are bolted;Prestressed cable 15 is being answered in advance by that will be attached to Connection cover screwing on power rope 15 applies prestressing force;The prestressed cable is high-intensitive rod iron, or using high strength steel strand, High strength type steel member, either using the high-intensitive rod iron with damper, high strength steel strand or high strength type steel member.
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 the girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage after the shake, and energy consumption position is the stitching portion Liang Liang, And designed at this for elasticity, not only met the design requirement of " strong node, weak component ", but also can guarantee the safety of structural elements, with soft High-intensity earthquake is resisted in the design of property;Nowhere welding is effectively ensured all using mechanical erection high-strength bolt in installation process Construction quality, reduces environmental pollution;Since the present invention can loosen spiral shell in building demolition using full bolt connecting mode Bolt, the dismounting of component, steel are utilized by high efficiente callback one by one, reduce the generation of building waste, are really realized 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 the girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage and solve traditional steel building section after the shake The weak status of point, has given full play to the advantage of the good working ductility of steel construction.Compared with traditional steel building node, it Good with anti-seismic performance, 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
Present invention will be further explained below with reference to the attached drawings and examples.
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 accentric support steel frame schematic diagram of the invention
Fig. 9 is V-shaped prestressing force accentric support steel frame schematic diagram of the invention
Figure 10 is single prestressing force accentric support steel frame schematic diagram of the invention
Figure 11 is precast concrete-profiled steel sheet combination floor of the invention
Figure 12 is accentric support frame structure 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 girder pre-stressed accentric support steel frame of multistage after shake of the present invention, institute The Special-Shaped Column being related to is respectively:L shape column 1, T shape column 2, cross section column 3;
As shown in Fig. 2, Self-resetting can assemble in the girder pre-stressed accentric support steel frame of multistage 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 frame mid portion frame column 3 is connect with end I-beam 4.Specific Connection Step:Hanging device is by end I-beam 4 and frame Column 3 is vertically in close contact, and end I-beam 4 and frame column 3 are linked together by web-angle 5 as connector high-strength bolt, It must guarantee that end I-beam 4 installs boom angle 6 perpendicular to frame column 3, then with high-strength bolt to increase beam in installation process Rotational stiffness at Column border node, to achieve the effect that consolidation;
As shown in Fig. 3, Self-resetting can assemble in the girder pre-stressed accentric support steel frame of multistage 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 girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage after shake of the present invention In, monocline rod-type lateral resistant member is made of prestressed cable, otic placode I;Otic placode I is by welding or is bolted in end work Word Liang Chu, prestressed cable otic placode I are bolted;Another otic placode I is by welding or is bolted at the I-beam of end, Prestressed cable and otic placode I are bolted;Prestressed cable passes through the connection cover screwing that will be attached on prestressed cable and applies in advance Stress;The prestressed cable is high-intensitive rod iron, perhaps uses high strength steel strand, high strength type steel member or uses band High-intensitive rod iron, high strength steel strand or the high strength type steel member of damper.
As shown in Fig. 11, Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage 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 the girder pre-stressed accentric support steel frame of multistage after shake of the present invention In, accentric support frame structure system is formed after gradually installing according to above-mentioned installation steps, floor uses precast concrete-die mould Steel plate combination floor.

Claims (4)

1. Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage 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;The middle part I-shaped Beam is connect with end I-beam by web connecting plate and high-strength silicane rubber plate, and the strong nothing of good working ductility, energy-dissipating property is formed Weld seam 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, Form Self-resetting node after prestressing force shakes;After being sequentially connected each node and prestressing force accentric support, precast concrete-pressure is assembled Shape steel plate composite floor or casting concrete floor assemble prestressing force accentric support component, and Self-resetting can assemble multistage after constituting shake Beam accentric support steel frame structural system;
The form of Special-Shaped Column 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, cross The connection of shape 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 reach consolidation with high-strength bolt installation boom angle (6) to increase the rotational stiffness at bean column node;
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) and T shape column (2) is respectively adopted;The connection of L shape node is frame corner frame column i.e. L shape column (1) and end I-shaped Beam (4) connection;The connection of T-section point is that T shape column (2) is connect with end I-beam (4);Crisscross joint connection is cross section column (3) it is connect with end I-beam (4);
The prestressed arrangement of node:Connect each various forms of nodes;Prestressing force stick (11) is sequentially passed through and is reserved in Hole on I-beam reinforcer (12), applies the prestress value of calculating, is anchored at I-beam reinforcer (12) with permanent anchorage On;
Prestressing force accentric support includes herringbone lateral resistant member, V-shaped lateral resistant member and monocline rod-type lateral resistant member;
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;
Monocline rod-type lateral resistant member is made of prestressed cable (15), otic placode I (13);Otic placode I (13) passes through welding or bolt It is connected at end I-beam (4), prestressed cable (15) otic placode I (13) is bolted;Another otic placode I (13) passes through welding Or be bolted at end I-beam (4), prestressed cable (15) and otic placode I (13) are bolted;Prestressed cable (15) prestressing force is applied by the connection cover screwing that will be attached on prestressed cable (15).
2. Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage after shake according to claim 1, feature exists In:The prestressed cable (15) is high-intensitive rod iron, perhaps using high strength steel strand, high strength type steel member or use High-intensitive rod iron, high strength steel strand or high strength type steel member with damper.
3. Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage after shake according to claim 1, feature exists In: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).
4. Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage 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.
CN201810808243.6A 2018-07-22 2018-07-22 Self-resetting can assemble the girder pre-stressed accentric support steel frame of multistage after shake Pending CN108824918A (en)

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CN110820930A (en) * 2019-10-18 2020-02-21 北京市第三建筑工程有限公司 Fully-assembled prestressed concrete frame and construction method

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CN103669567A (en) * 2013-12-19 2014-03-26 北京工业大学 Special-shaped steel column-prestress eccentric supporting frame easy to restore after earthquake
CN206279622U (en) * 2016-11-29 2017-06-27 山东科技大学 A kind of connecting node of new H profile steel post and H profile steel beam
CN107299679A (en) * 2017-04-09 2017-10-27 北京工业大学 A kind of many high-rise assembled modularization Self-resetting steel construction special-shaped column frame systems
CN207363023U (en) * 2017-10-27 2018-05-15 长安大学 Interchangeable energy-dissipation beam column node after one kind shake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820930A (en) * 2019-10-18 2020-02-21 北京市第三建筑工程有限公司 Fully-assembled prestressed concrete frame and construction method
CN110820930B (en) * 2019-10-18 2021-06-01 北京市第三建筑工程有限公司 Fully-assembled prestressed concrete frame and construction method

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