CN108978868B - Replaceable shear type energy consumption beam section-steel deep beam connecting structure and mounting method - Google Patents
Replaceable shear type energy consumption beam section-steel deep beam connecting structure and mounting method Download PDFInfo
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- CN108978868B CN108978868B CN201811064297.2A CN201811064297A CN108978868B CN 108978868 B CN108978868 B CN 108978868B CN 201811064297 A CN201811064297 A CN 201811064297A CN 108978868 B CN108978868 B CN 108978868B
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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
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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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
-
- 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
Abstract
The invention discloses a replaceable shearing type energy-dissipating beam section-steel deep beam connecting structure and an installation method, wherein an energy-dissipating beam section easy to replace is arranged in the middle of a steel deep beam of a traditional steel frame cylinder structure, a steel deep beam and an energy-dissipating beam Duan Tongguo flange splice plate are spliced and connected with a web splice plate, the flange splice plate mainly transmits pressure or tensile force generated by bending moment, and the web splice plate mainly transmits shearing force, so that bending-shearing separation can be realized, and the force transmission is simple and reliable. After an earthquake, only the severely damaged energy-consuming beam Duan Caxie needs to be removed, then a new energy-consuming beam section is replaced, and the post-earthquake function recovery of the structure can be realized rapidly by splicing on site again. The invention ensures that the steel deep beam part is not in a stress concentration area under the action of horizontal load and is always in an elastic state or partially develops plasticity, and fully exerts the good plastic deformation capability of the energy dissipation beam section to consume energy to replace the plastic energy dissipation of the end part of the steel deep beam, thereby changing the energy dissipation mechanism of the traditional steel frame cylinder structure and enabling the structure to have good energy dissipation capability.
Description
Technical Field
The invention belongs to the field of structural engineering and structural earthquake resistance, and particularly relates to a replaceable shear type energy-consumption beam section-steel deep beam connecting structure and an installation method.
Background
The steel frame cylinder structure is a cylinder structure formed by a peripheral dense column deep beam, a floor slab and a small number of columns in the interior, and has the advantages of high side rigidity resistance, good torsion resistance, full play of the whole space effect and flexible building arrangement. However, because the column spacing of the peripheral frame of the steel frame cylinder structure is very small (generally about 3-4 m), the section height of the steel deep beam is relatively large (generally about 0.6m-1.2 m), the span-to-height ratio of the steel deep beam is relatively small, the bending moment gradient of the beam end is large, the development of plastic hinges of the beam end is limited, meanwhile, the floor slab has a reinforcing effect on the steel deep beam, the plastic hinges appear at the end of the post end under large earthquake often before the beam end, the structure is unfavorable for dissipating earthquake energy, a certain collapse risk exists, once the structure has relatively large earthquake damage, a large number of users are caused to migrate, the normal life of people is influenced, the repairing cost is relatively high, and the popularization and the application of the steel frame cylinder structure are limited to a certain extent.
Disclosure of Invention
The invention aims to overcome the defects, and provides a replaceable shear type energy-consumption beam section-steel deep beam connecting structure and an installation method, which are reliable in structure force transmission under the action of an earthquake, small in residual deformation after the earthquake, easy to realize an energy-consumption beam Duan Genghuan, and capable of quickly recovering the use function of the structure by replacing the energy-consumption beam section with a more serious damage after the earthquake, so that the problem of poor earthquake resistance of the traditional steel frame cylinder structure is solved.
In order to achieve the above purpose, in the replaceable shearing type energy dissipation beam section-steel deep beam connecting structure, an energy dissipation beam section convenient to replace is arranged in the middle of a steel deep beam of a steel frame cylinder structure peripheral frame, the steel frame cylinder structure peripheral frame comprises two frame middle columns, the two frame middle columns are connected with the steel deep beam, the two steel deep beams are oppositely arranged, two horizontal stiffening ribs and one vertical stiffening rib are respectively arranged on two sides of a web plate of the steel deep beam, the two steel deep beams are respectively connected with an energy dissipation beam Duan Liangduan in a splicing mode, the web plate of the steel deep beam and the web plate of the energy dissipation beam section are spliced through web plate splice plates, and the flange of the energy dissipation beam section and the horizontal stiffening rib of the steel deep beam are connected in a splicing mode through flange splice plates.
The steel deep beam and the frame center pillar are made of Q460 or Q690 steel with higher strength, and the energy-consumption beam section is made of LY225, Q235 or Q345 steel with lower strength and better deformability.
And the junction of the side surfaces of the vertical stiffening ribs and the end parts of the two horizontal stiffening ribs is welded.
The width of the flange of the energy-consumption beam section is the same as the interval between two horizontal stiffening ribs of the steel deep beam.
The section of the energy dissipation beam section is I-shaped steel, and a plurality of longitudinal stiffening ribs are correspondingly arranged on two sides of a web plate of the energy dissipation beam section.
Eight flange splice plates are respectively fixed at two ends of the energy-consumption beam section, and the eight flange splice plates at each end of the energy-consumption beam section are respectively fixed on the upper surface and the lower surface of the joint of the flange of the energy-consumption beam section and the horizontal stiffening rib of the steel deep beam.
Web splice plates are respectively fixed on two sides of the web of the steel deep beam and the web of the energy-consumption beam section.
The web splice plates are fixed on the web of the steel deep beam and the web of the energy-dissipating beam section through high-strength bolts, and the flange splice plates are fixed on the flange of the energy-dissipating beam section and the horizontal stiffening rib of the steel deep beam through high-strength bolts.
The method for installing the replaceable shear type energy-consumption beam section-steel deep beam connecting structure comprises the following steps of:
welding two horizontal stiffening ribs and one vertical stiffening rib on two sides of a web plate of a steel deep beam respectively;
step two, placing the energy-dissipating beam section between two steel deep beams, so that the flange of the energy-dissipating beam section corresponds to the horizontal stiffening rib of the steel deep beam;
and thirdly, fixing web splice plates on two sides of the connection part of the web of the steel deep beam and the web of the energy-consumption beam section, and fixing flange splice plates on two sides of the connection part of the horizontal stiffening rib of the steel deep beam and the flange of the energy-consumption beam section, thereby completing the installation.
The flange splice plates and the web splice plates are fixed by adopting high-strength bolts.
Compared with the prior art, the structure of the invention is that the energy-dissipating beam section easy to replace is arranged between two steel deep beams of the peripheral frame of the traditional steel frame cylinder structure, the energy-dissipating beam section and the steel deep beams are spliced through the flange splice plates and the web splice plates, the flange splice plates mainly transmit the pressure or the tensile force generated by bending moment, the web splice plates mainly transmit the shearing force, the bending-shearing separation can be realized, and the force transmission is simple and reliable. After an earthquake, only the severely damaged energy-consuming beam section needs to be removed, then a new energy-consuming beam section is replaced, and the function recovery after the earthquake of the structure can be realized rapidly through on-site splicing again, so that the operation is simple and convenient. The invention ensures that the steel deep beam part can not have stress concentration areas under the action of horizontal load and is always in an elastic state or partially develops plasticity, and the good elastoplasticity deformation capability of the energy-dissipating beam section is fully exerted to perform plastic energy dissipation to replace the plastic energy dissipation of the steel deep beam end part. The use function of the structure can be quickly recovered only by replacing the damaged energy-consumption beam section after earthquake, the requirement of recovering the structure function is met, and good economic benefit is achieved. The invention is used in the traditional steel frame cylinder structure, can improve the characteristic of poor earthquake resistance of the traditional steel frame cylinder structure, and promotes the application of the steel frame cylinder structure system.
According to the method, the vertical stiffening ribs and the horizontal stiffening ribs are welded on the deep beam, so that the deep beam and the energy-consumption beam section can be connected in a bolt splicing way through the flange splice plates and the web splice plates, the flange splice plates and the high-strength bolts mainly transmit compressive force or tensile force generated by bending moment, and the web splice plates mainly transmit shearing force, so that the bending-shearing separation can be realized.
Furthermore, the invention adopts the bolts for connection, and after earthquake, the new energy-consumption beam section can be replaced by only dismantling the bolts, and the new high-strength bolts are used for splicing and connecting the bolts again.
Drawings
FIG. 1 is an elevation view of a steel frame cylinder structure to which the present invention is applicable;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a cross-sectional view taken along the A-A plane in FIG. 2;
FIG. 4 is a cross-sectional view taken along the B-B plane in FIG. 2;
FIG. 5 is a schematic view of the open cell of a steel deep beam of the present invention;
FIG. 6 is a schematic view of an opening of a beam section of the present invention;
FIG. 7 is a schematic view of an opening of a flange splice plate according to the present invention;
FIG. 8 is a schematic view of an aperture of a web splice plate of the present invention;
FIG. 9 is a three-dimensional schematic of the present invention;
FIG. 10 is a schematic diagram of the connection of a steel deep beam to a dissipative beam section according to the invention;
FIG. 11 is a schematic representation of the present invention after an earthquake event;
1, a steel deep beam; 2. horizontal stiffening ribs; 3. vertical stiffening ribs; 4. an energy dissipating beam section; 5. flange splice plates; 6. web splice plates; 7. a high-strength bolt; 8. and a frame center post.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the invention is characterized in that a shearing type energy-consuming beam section easy to replace is arranged in a steel deep beam span of a peripheral frame of a traditional frame cylinder structure, and the shearing type energy-consuming beam section is mainly used for connecting the steel deep beam in the peripheral frame with the shearing type energy-consuming beam section.
Referring to fig. 2, 3 and 4, a replaceable shear type energy-dissipating beam section-steel deep beam connecting structure comprises two steel frame barrel peripheral frame center posts 8, wherein the two frame center posts 8 are welded with steel deep beams 1 which are oppositely arranged at joints, the two steel deep beams 1 are respectively connected with two ends of the energy-dissipating beam section in a splicing manner, two horizontal stiffening ribs 2 and one vertical stiffening rib are respectively arranged on two sides of a web plate of the steel deep beam 1, the width of a flange of the energy-dissipating beam section 4 is identical to the distance between the two horizontal stiffening ribs 2 on the web plate of the steel deep beam 1, the web plate of the steel deep beam 1 and the web plate of the energy-dissipating beam section 4 are spliced through a web plate splice plate 6 and a high-strength bolt 7, and the flange of the energy-dissipating beam section 4 and the horizontal stiffening ribs 2 of the steel deep beam 1 are spliced through a flange plate splice plate 5 and the high-strength bolt 7.
Referring to fig. 5, two horizontal stiffening ribs 2 and 1 vertical stiffening rib 3 are respectively arranged on two sides of a web plate of the steel deep beam 1, and the junction of the side surfaces of the vertical stiffening ribs 3 and the end parts of the two horizontal stiffening ribs 2 is welded.
Referring to fig. 6, the energy dissipation beam section 4 is an i-shaped steel section, two sides of a web plate of the energy dissipation beam section 4 are correspondingly provided with a plurality of longitudinal stiffening ribs, and the spacing between the stiffening ribs refers to building earthquake-resistant design specifications (GB 50011-2010).
Referring to fig. 9 and 10, eight flange splice plates 5 are respectively fixed at both ends of the energy-dissipating beam section 4, and the eight flange splice plates 5 at each end of the energy-dissipating beam section 4 are respectively fixed at the upper surface and the lower surface of the flange of the energy-dissipating beam section 4 and the horizontal stiffener of the steel deep beam 1. Web splice plates 6 are fixed at two ends of the energy-dissipating beam section 4, and the web splice plates 6 at each end are respectively fixed at two sides of the web of the energy-dissipating beam section 4 and the web of the steel deep beam 1.
Referring to fig. 5, 6 and 8, the steel deep beam 1 is provided with a plurality of bolt holes at the web position between two horizontal stiffening ribs 2, the web of the energy dissipation beam section 4 is provided with a plurality of bolt holes, the web splice plate 6 is provided with a plurality of bolt holes, and the bolt holes of the web splice plate 6 correspond to the bolt holes on the web of the steel deep beam 1 and the web of the energy dissipation beam section 4.
Referring to fig. 5, 6 and 7, a plurality of bolt holes are formed in the horizontal stiffening rib 2 of the steel deep beam 1, a plurality of bolt holes are formed in the upper flange and the lower flange of the energy-dissipating beam section 4, a plurality of bolt holes are formed in the flange splice plate 5, and the bolt holes of the flange splice plate 5 correspond to the bolt holes in the horizontal stiffening rib 2 and the flange of the energy-dissipating beam section 4.
The method for installing the replaceable shear type energy-consumption beam section-steel deep beam connecting structure comprises the following steps of:
welding two horizontal stiffening ribs 2 and one vertical stiffening rib 3 on two sides of a web plate of a steel deep beam 1 respectively, and welding the end face of one horizontal stiffening rib 2 on the side face of the vertical stiffening rib 3;
step two, placing the energy-dissipating beam section 4 between the two steel deep beams 1, so that the flange of the energy-dissipating beam section 4 corresponds to the horizontal stiffening rib 2 of the steel deep beam 1;
and thirdly, fixing web splice plates 6 on two sides of the web of the steel deep beam 1 and the energy-dissipating beam section 4, fixing flange splice plates 5 on two sides of the horizontal stiffening rib 2 of the steel deep beam 1 and the flange of the energy-dissipating beam section 4, splicing the steel deep beam 1 and the energy-dissipating beam section 4 together through the web splice plates 6 and the flange splice plates 5 by using high-strength bolts 7, and fixing the steel deep beam and the energy-dissipating beam section by using high-strength bolts 7 to finish installation.
Referring to fig. 11, the structure is deformed by rare earthquakes, so that the new energy-dissipating beam section 4 for replacement can be slightly shorter than the original size by 1-2mm to ensure that the replacement can be smoothly performed after the earthquakes. When the structure is replaced, the original high-strength bolts 7 are removed on site, and then the new energy-consumption beam section 4, the flange splice plate 5, the web splice plate 6 and the new high-strength bolts are replaced, so that the structure can be quickly repaired after earthquake.
The invention provides a shearing type energy-dissipating beam section which is easy to replace and is arranged in a deep steel deep beam span, the energy-dissipating beam section adopts steel with lower yield strength and better deformability, and other components adopt high-strength steel, so that the structure dissipates energy by utilizing the good elastoplastic deformability of the shearing type energy-dissipating beam section, the energy-dissipating beam section completely enters an elastoplastic state for dissipating energy under the action of large earthquake, and other components are still in an elastic state or partially develop plasticity, thereby changing the earthquake energy-dissipating mechanism of the traditional steel frame cylinder structure and effectively avoiding the limitation of the design concept of a strong column and a weak beam to the traditional steel frame cylinder structure.
In order to fully exert the shearing deformation capacity of the energy-consuming beam section and meet the requirements of quick replacement and repair of the energy-consuming beam section after the structure is vibrated, the connection between the shearing energy-consuming beam section and the deep steel beam is one of key technologies of the replaceable shearing energy-consuming steel frame cylinder structure. The connection type not only ensures that the structure is reliable in force transmission under the action of horizontal earthquake, but also meets the requirement that the residual deformation of the structure after earthquake is small and the energy-consumption beam section is easy to replace. The connection type for the steel structure comprises two types of bolt connection and welding connection. The welded connection is reliable in force transmission, but the welded connection can generate residual stress, the initial defect is increased, the replacement after earthquake is not easy to realize, and the bolt connection is used for splicing the equal-height section. The invention provides a replaceable shear type energy-consumption beam section-steel deep beam connection type.
Claims (8)
1. The utility model provides a removable shear type power consumption roof beam section-steel deep beam connection structure, a serial communication port, set up power consumption roof beam section (4) of being convenient for change in the middle of steel deep beam (1) of steel frame section of thick bamboo structure peripheral frame, steel frame section of thick bamboo structure peripheral frame includes two frame center posts (8), all be connected with steel deep beam (1) on two frame center posts (8), two steel deep beams (1) set up in opposite directions, the web both sides of steel deep beam (1) are provided with two horizontal stiffening rib (2) and a vertical stiffening rib (3) respectively, two steel deep beam (1) splice with power consumption roof beam section (4) both ends respectively, the web of steel deep beam (1) splice through web splice (6) with the web of power consumption roof beam section (4), the flange of power consumption roof beam section (4) splice with the horizontal stiffening rib (2) of steel deep beam (1) through flange splice (5);
eight flange splice plates (5) are respectively fixed at two ends of the energy-consumption beam section (4), and the eight flange splice plates (5) at each end of the energy-consumption beam section (4) are respectively fixed on the upper surface and the lower surface of the joint of the flange of the energy-consumption beam section (4) and the horizontal stiffening rib (2) of the steel deep beam (1);
the web splice plate (6) is fixed on the web of the steel deep beam (1) and the web of the energy-consumption beam section (4) through high-strength bolts (7), and the flange splice plate (5) is fixed on the flange of the energy-consumption beam section (4) and the horizontal stiffening rib (2) of the steel deep beam (1) through the high-strength bolts (7).
2. The replaceable shear type energy consumption beam section-steel deep beam connecting structure according to claim 1, wherein the steel deep beam (1) and the frame center column (8) are made of Q460 or Q690 steel, and the energy consumption beam section (4) is made of LY225, Q235 or Q345 steel.
3. A replaceable shear energy dissipating beam section-steel deep beam connection according to claim 1, characterized in that the sides of the vertical stiffeners (3) are welded to the intersection of the ends of the two horizontal stiffeners (2).
4. A replaceable shear type energy dissipating beam section-steel deep beam connection structure according to claim 1, characterized in that the flange width of the energy dissipating beam section (4) is the same as the spacing of the two horizontal stiffening ribs (2) of the steel deep beam (1).
5. The replaceable shear type energy dissipation beam section-steel deep beam connecting structure according to claim 1, wherein the section of the energy dissipation beam section (4) is an I-shaped steel, and a plurality of longitudinal stiffening ribs are correspondingly arranged on two sides of a web plate of the energy dissipation beam section (4).
6. The replaceable shear type energy consumption beam section-steel deep beam connecting structure according to claim 1, wherein web splice plates (6) are respectively fixed on two sides of a web of the steel deep beam (1) and two sides of a web of the energy consumption beam section (4).
7. A method of installing a replaceable shear energy dissipating beam segment-steel deep beam connection according to claim 1, comprising the steps of:
welding two horizontal stiffening ribs (2) and one vertical stiffening rib (3) on two sides of a web plate of a steel deep beam (1) respectively;
step two, the energy-consumption beam section (4) is arranged between the two steel deep beams (1), so that the flange of the energy-consumption beam section (4) corresponds to the horizontal stiffening rib (2) of the steel deep beam (1);
and thirdly, fixing web splice plates (6) on two sides of the connection part of the web of the steel deep beam (1) and the web of the energy-consumption beam section (4), and fixing flange splice plates (5) on two sides of the connection part of the horizontal stiffening rib (2) of the steel deep beam (1) and the flange of the energy-consumption beam section (4), so as to finish installation.
8. The method for installing the replaceable shear type energy consumption beam section-steel deep beam connecting structure according to claim 7, wherein the flange splice plate (5) and the web splice plate (6) are fixed by adopting high-strength bolts.
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| CN201811064297.2A CN108978868B (en) | 2018-09-12 | 2018-09-12 | Replaceable shear type energy consumption beam section-steel deep beam connecting structure and mounting method |
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| CN201811064297.2A CN108978868B (en) | 2018-09-12 | 2018-09-12 | Replaceable shear type energy consumption beam section-steel deep beam connecting structure and mounting method |
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| CN108978868B true CN108978868B (en) | 2023-10-20 |
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| CN109944160A (en) * | 2019-01-15 | 2019-06-28 | 中铁宝桥集团有限公司 | A kind of separate type opening combinations beam concrete slab overlapping accuracy control method |
| CN110593405A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Single-side-reaming T-shaped connection replaceable beam connection structure and connection method |
| CN110593431A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Pi-shaped steel-end plate connecting structure and method capable of replacing energy-consuming beam section |
| CN111219015A (en) * | 2020-03-06 | 2020-06-02 | 西安建筑科技大学 | Dragon and phoenix tenon type connection replaceable beam connection structure and connection method |
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| JPH08291558A (en) * | 1995-04-24 | 1996-11-05 | Kajima Corp | Column-beam joining part structure |
| JP2015214807A (en) * | 2014-05-08 | 2015-12-03 | 株式会社竹中工務店 | Heterogeneous steel beam joint structure |
| CN105569204A (en) * | 2016-02-01 | 2016-05-11 | 中国地震局工程力学研究所 | Replaceable beam-column joint earthquake damage control device |
| CN208830474U (en) * | 2018-09-12 | 2019-05-07 | 西安建筑科技大学 | A kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure |
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| JPH08291558A (en) * | 1995-04-24 | 1996-11-05 | Kajima Corp | Column-beam joining part structure |
| JP2015214807A (en) * | 2014-05-08 | 2015-12-03 | 株式会社竹中工務店 | Heterogeneous steel beam joint structure |
| CN105569204A (en) * | 2016-02-01 | 2016-05-11 | 中国地震局工程力学研究所 | Replaceable beam-column joint earthquake damage control device |
| CN208830474U (en) * | 2018-09-12 | 2019-05-07 | 西安建筑科技大学 | A kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure |
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