CN117266379A - I-beam and concrete column connection node - Google Patents
I-beam and concrete column connection node Download PDFInfo
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- CN117266379A CN117266379A CN202311244137.7A CN202311244137A CN117266379A CN 117266379 A CN117266379 A CN 117266379A CN 202311244137 A CN202311244137 A CN 202311244137A CN 117266379 A CN117266379 A CN 117266379A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 100
- 239000010959 steel Substances 0.000 claims abstract description 100
- 238000005265 energy consumption Methods 0.000 claims abstract description 29
- 239000003190 viscoelastic substance Substances 0.000 claims abstract description 25
- 230000035939 shock Effects 0.000 claims abstract description 10
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims abstract description 7
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000011236 particulate material Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- -1 but not limited to Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The application relates to the technical field of civil engineering energy dissipation and shock absorption, and provides an I-steel beam and concrete column connected node, and includes: the energy-consumption beam section, the energy-consumption hinging device and the viscoelastic energy-consumption shock absorber are respectively connected between the concrete column and the I-shaped steel beam; the energy consumption hinging device comprises a first hinging piece and a second hinging piece which are hinged; the first hinge piece is connected with the concrete column, the second hinge piece is connected with the I-shaped steel beam, and the first hinge piece and the second hinge piece are in relative rotation and/or relative movement fit; the viscoelastic energy dissipation damper comprises a first connecting piece and a second connecting piece; the first connecting piece is connected with the concrete column, and the second connecting piece is connected with the I-steel beam, is provided with the viscoelastic material layer between first connecting piece and the second connecting piece. The energy-dissipating beam column joint of the concrete column and the I-shaped steel beam is formed by combining the energy-dissipating beam section, the viscoelastic energy-dissipating damper and the energy-dissipating hinging device, so that the energy-dissipating capacity of the joint is enhanced.
Description
Technical Field
The invention belongs to the technical field of energy dissipation and shock absorption in civil engineering, and particularly relates to a connecting node of an I-shaped steel beam and a concrete column.
Background
For the last 20 years, rare earthquakes have frequently occurred. The data shows that the world has entered a period of more active seismic activity. The impact of earthquakes on human life and property safety is exacerbated and China faces the same or even more urgent problem. The building specifications of China have been revised for many times in decades, so that higher requirements are generally put forward on the anti-seismic performance of houses, and the anti-seismic performance of houses built according to the old specifications is obviously lower than the requirements of the current specifications. Therefore, the earthquake-proof performance of the active structure is improved, and the ground is lightened
The earthquake damage, the security of people and property and the reduction of social and economic losses are significant.
The steel structure has the advantages of light weight, high strength, convenient installation, clear stress transmission, no influence of seasons and weather on construction and the like, and is rapidly developed in recent years. In addition to steel structure plants, in the project of modification of existing structures, the connection between the steel structure and the concrete column is very widely used due to the need of increasing the use space. The connections commonly used in engineering are mostly directly connected by chemical anchors. The connecting nodes can ensure the strength and rigidity performance of the nodes, but can not well meet the energy dissipation and shock absorption requirements of beam column nodes, and serious damage can occur when the connecting nodes encounter an earthquake, so that serious life and property losses are caused.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides a connecting node of an I-shaped steel beam and a concrete column, so as to solve the problem of insufficient anti-seismic performance of the connecting node of the existing steel beam and the concrete column.
The invention provides a connection node of an I-shaped steel beam and a concrete column, which comprises the following components: the energy-consumption beam section, the energy-consumption hinging device and the viscoelastic energy-consumption shock absorber are respectively connected between the concrete column and the I-shaped steel beam; the yield strength of the energy dissipating beam section is lower than that of the I-shaped steel beam; the energy consumption hinging device comprises a first hinging piece and a second hinging piece which are hinged with each other; the first hinge piece is connected with the concrete column, the second hinge piece is connected with the I-shaped steel beam, and the first hinge piece and the second hinge piece are matched with each other in a relative rotation and/or relative movement mode; the viscoelastic energy dissipation damper comprises a first connecting piece and a second connecting piece; the first connecting piece with the concrete column is connected, the second connecting piece with the I-steel beam is connected, be provided with the viscoelastic material layer between the first connecting piece with the second connecting piece, and pass through viscoelastic material layer friction fit.
Further, the first hinge comprises two clamping plates; the second hinge comprises a hollow plate; the hollow plate is arranged between the two clamping plates and is hinged with the two clamping plates through a high-strength bolt; the interior cavity of the hollow slab is filled with a first particulate material.
Further, a plurality of separation steel plates are arranged in the hollow plate, the separation steel plates divide the internal cavity of the hollow plate into a plurality of spaces, and each space is filled with the first granular material.
Further, a sandwich copper plate is arranged between the hollow plate and the clamping plates, and outer steel plates are arranged on the back sides of the two clamping plates; the clamping plate is provided with a slotted hole; the high-strength bolts penetrate through the slotted holes to be connected with the outer steel plate; the aperture of the slot hole is larger than the diameter of the high-strength bolt, the outer steel plate and the sandwich copper plate seal the two ends of the slot hole, and the high-strength bolt also penetrates through the sandwich copper plate and the hollow plate.
Further, the first connecting piece comprises a metal outer frame, and the second connecting piece comprises a movable inner frame; the inner side of the metal outer frame is provided with a viscoelastic material layer, and a channel is arranged in the viscoelastic material layer; the side wall of the movable inner frame is inserted into the channel to be in friction fit with the viscoelastic material layer.
Further, an elastic piece is connected between the metal outer frame and the movable inner frame.
Further, the inner cavity of the movable inner frame is filled with a second particulate material.
Further, a buffer material is arranged on the inner side of the metal outer frame.
Further, the energy dissipation beam section comprises a box structure with a space inside; the energy-consuming hinge device and the viscoelastic energy-consuming damper are respectively arranged in the inner space of the box body structure.
Further, angle steel is further arranged at the upper end and the lower end of the box body structure, and comprises a vertical plate and a horizontal plate; the vertical plate of the angle steel is connected with the concrete column through a screw rod, and the horizontal plate of the angle steel is erected on the flange plate of the I-shaped steel beam; a fixed steel plate is welded on the flange plate of the I-shaped steel beam, a lap joint steel plate is welded on the fixed steel plate, and a horizontal plate of the angle steel is positioned between the flange plate and the lap joint steel plate and is connected through a bolt; and a friction plate is further arranged between the horizontal plate and the lap joint steel plate.
The beneficial effects of the invention are as follows: the energy-dissipating and damping beam column joint of the concrete column and the I-shaped steel beam is formed by combining the energy-dissipating beam section, the viscoelastic energy-dissipating damper and the energy-dissipating hinging device. Under the action of an earthquake, the energy-consumption hinging device, the viscoelastic energy-consumption shock absorber and the energy-consumption beam Duan Hui firstly play roles, the energy-consumption hinging device can allow the concrete column and the I-beam to generate relative rotation, the viscoelastic energy-consumption shock absorber can allow the concrete column and the I-beam to generate relative motion, deformation of the energy-consumption beam section can play an anti-seismic role, and the structural anti-seismic requirement is met. In addition, after the SMA screw in the deformed node is subjected to heat treatment after the earthquake, the node can be self-reset, and the repair cost after the earthquake is reduced.
Compared with the traditional beam column node, the invention has the following advantages:
1) Compared with the common beam-column joint, the I-shaped steel beam end is added with the energy-consumption beam section, on one hand, the energy-consumption beam Duan Liangduan is connected with the concrete column and the I-shaped steel beam through high-strength bolts, so that the connection reliability is ensured, and on the other hand, the energy-consumption beam section is firstly bent when suffering an earthquake because the yield strength of the energy-consumption beam section is lower than that of the I-shaped steel beam, and the energy-consumption capability of the joint is enhanced.
2) And an energy consumption hinging device is arranged between the concrete column and the I-shaped steel beam. The energy-consuming hinging device can allow the concrete column and the I-beam to rotate relatively and allow the concrete column and the I-beam to move relatively, and meanwhile, the viscoelastic energy-consuming damper enhances the energy-consuming capacity of the node by utilizing the energy-dissipating characteristic of the viscoelastic material.
3) The upper flange plate and the lower flange plate of the I-shaped steel beam are anchored on the concrete column through angle steel and SMA screw rods connected with the angle steel, and when the node is severely deformed, the quick resetting of the node can be realized through heating the SMA screw rods.
4) Compared with the common beam column node, the invention adopts a mode of combining the energy-consuming beam section, the energy-consuming hinging device and the viscoelastic energy-consuming shock absorber, thereby fully improving the energy-consuming capacity of the beam column node.
5) The beam column node realizes the functions of easy assembly and replacement of the structure, reduces the construction cost and is beneficial to improving the construction efficiency and later maintenance and replacement.
Drawings
Fig. 1 is a schematic diagram of the front view of a connection node between a steel i-beam and a concrete column according to the present invention.
Fig. 2 is a schematic view of the energy dissipating beam Duan Pou of fig. 1 after being opened.
Fig. 3 is a schematic top view of the energy dissipating hinge device of fig. 2.
FIG. 4 is an enlarged cross-sectional schematic view of one of the viscoelastic energy dissipating shock absorbers of FIG. 2.
In the figure, 1-concrete column; 2-I-steel beams; 3-energy-consuming beam sections; 4-backing plate; 5-chemical anchor bolts; 6-a first end plate; 7-a second end plate; 8-energy-consuming hinging device; 9-a viscoelastic dissipative damper; 10-angle steel; 11-screw; 12-a third end plate; 13-triangular perforated baffles; 14-friction plate; 15-lapping steel plates; 16-fixing the steel plate; 17-a long slot hole;
801-splints; 802-sandwich copper plate; 803-outer steel sheet; 804-hollow slab; 805-high-strength bolts; 806-slots; 807-a first particulate material; 808-separating steel plates.
901-a metal outer frame; 902-an active inner frame; 903-a layer of viscoelastic material; 904-spring fixing means; 905-a spring; 906-buffer material; 907-separating steel plates; 908-a second particulate material.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
The connection node of the I-shaped steel beam and the concrete column shown in fig. 1-4 comprises a concrete column 1, the I-shaped steel beam 2, an energy-consuming beam section 3, an energy-consuming hinging device 8 and a viscoelastic energy-consuming damper 9.
Wherein the energy dissipation beam section 3 comprises a box body structure with a space inside; the dissipative hinging means 8 and the viscoelastic dissipative damper 9 are respectively arranged in the internal space of the box structure.
The box structure comprises two channel steel with opposite openings and end plates for closing the ends of the two channel steel. The length direction of the channel steel is parallel to the length direction of the I-shaped steel beam 2, and the two channel steel are symmetrically distributed along the axis of the I-shaped steel beam 2. As shown in fig. 2, one of the two end plates of the box structure is connected with a third end plate 12 at the end of the i-steel beam 2 by bolts, and the other end plate of the two end plates of the box structure is connected with the concrete column 1 by chemical anchors 5.
One end of the energy consumption hinging device 8 and one end of the viscoelastic energy consumption damper 9 are connected with the first end plate 6 and the concrete column 1 through chemical anchor bolts, and the other end of the energy consumption hinging device is connected with the second end plate 7 through bolts.
In this embodiment, two viscoelastic energy-consuming dampers 9 are distributed on the upper and lower sides of the energy-consuming hinge device 8, one end of each viscoelastic energy-consuming damper is connected with the first end plate 6 and the concrete column 1 through a chemical anchor bolt, and the other end of each viscoelastic energy-consuming damper is connected with the second end plate 7 through a bolt. Angle steel 10 is arranged at the corner of the upper flange plate and the lower flange plate of the I-shaped steel beam 2 and the concrete column 1, the angle steel 10 comprises a vertical plate and a horizontal plate, the vertical plate of the angle steel 10 is connected with the concrete column 1 through a screw 11, the screw 11 is made of shape memory alloy, the screw 11 penetrates through the concrete column 1 and is anchored on the other side surface of the concrete column 1, and a triangular perforated baffle 13 is welded with the vertical plate and the horizontal plate of the angle steel 10. The horizontal plate of the angle steel 10 is provided with long slotted holes 17, and high-strength bolts penetrate through the long slotted holes 17 to fix the flange plate, the friction plate 14 and the lap joint steel plate 15 of the I-shaped steel beam 2. The lap steel plate 15 extends into the span of the i-beam 2 and is welded to a fixed steel plate 16 welded to the flange plate of the i-beam 2. A backing plate 4 is arranged between the vertical plate of the angle steel 10 and the concrete column 1.
Referring to fig. 3, the energy consuming hinge assembly 8 includes a first hinge member and a second hinge member that are hinged to each other. The first hinge member is connected with the concrete column 1, the second hinge member is connected with the I-beam 2, and the first hinge member and the second hinge member are matched with each other in a relative rotation and/or relative movement mode. The first hinge comprises two clamping plates 801; the second hinge comprises a hollow plate 804; the hollow slab 804 is arranged between the two clamping plates 801 and is hinged with the two clamping plates 801 through a high-strength bolt 805; the interior cavity of hollow plate 804 is filled with a first particulate material 807. A plurality of separation steel plates 808 are provided in the hollow plate 804, and the separation steel plates 808 divide the internal cavity of the hollow plate 804 into a plurality of spaces, each of which is filled with the first granular material 807.
Specifically, the energy-dissipating hinge device 8 includes two side clamping plates 801, a sandwich copper plate 802, an outer steel plate 803, a hollow plate 804, a high-strength bolt 805, slots 806, a first granular material 807, and a separation steel plate 808; the core of the energy consumption hinging device 8 is provided with a slotted hole 806, and the clamping plates 801 on two sides can move relative to the high-strength bolts 805. The two side clamping plates 801 are connected with the first end plate 6 and the concrete column 1 through the chemical anchor bolts 5. Hollow plate 804 is welded to second end plate 7. The hollow plate 804 of the energy-consuming hinge device 8 is provided with a plurality of compartments separated by separating steel plates 808, each compartment being filled with a first particulate material 807; the first particulate material 807 may be one or more of a variety of materials including, but not limited to, iron sand, lead shot, and the like. The two side clamping plates 801 can move relative to the high strength bolts 805.
The viscoelastic energy-consuming damper 9 comprises a first connection member and a second connection member; the first connecting piece is connected with the concrete column 1, and the second connecting piece is connected with the I-steel beam 2, is provided with viscoelastic material layer 903 between first connecting piece and the second connecting piece, and through viscoelastic material layer 903 friction fit.
The first connector comprises a metal outer frame 901 and the second connector comprises a movable inner frame 902; the inner side of the metal outer frame 901 is provided with a viscoelastic material layer 903, and a channel is arranged in the viscoelastic material layer 903; the side walls of the movable inner frame 902 are inserted into the channels to frictionally engage the layer 903 of viscoelastic material. An elastic member is connected between the metal outer frame 901 and the movable inner frame 902. The elastic member may be a spring or other elastic structures, and in this embodiment, the elastic member includes a spring 905 and spring fixing devices 904 disposed at two ends of the spring 905. The interior cavity of the movable inner frame 902 is filled with a second particulate material 908. The inner side of the metal outer frame 901 is also provided with a buffer material 906.
Referring to fig. 4, the viscoelastic energy dissipating damper 9 includes a metal outer frame 901, a movable inner frame 902, a viscoelastic material layer 903, a spring fixing device 904, a spring 905, a cushioning material 906, a partition steel plate 907, and a second granular material 908.
The spring fixing device 904 is fixed at the bottom of the metal outer frame 901 and the bottom of the movable inner frame 902, namely, the opposite ends of the metal outer frame 901 and the movable inner frame 902 are respectively provided with the spring fixing device 904. One end of the spring 905 is connected to the spring fixing means 904 on the metal outer frame 901, and the other end of the spring 905 is connected to the spring fixing means 904 on the movable inner frame 902. In this embodiment, the springs 905 are arranged at intervals along the height direction of the metal outer frame 901 or the movable inner frame 902.
The frame wall of the metal outer frame 901 is respectively composed of an inner metal layer, an outer metal layer and a middle viscoelastic material layer 903, wherein the viscoelastic material layer 903 is located between the two metal layers of the metal outer frame 901. And the viscoelastic material layer 903 is provided with channels, which are arranged along the moving direction of the movable inner frame 902. The metal arms of the movable inner frame 902 are inserted into the channels of the viscoelastic material layer 903, in friction fit therewith; the inner wall of the metal outer frame 901 is stuck with a buffer material 906; the metal outer frame 901 is connected with the first end plate 6 and the concrete column 1 through the chemical anchor bolts 5, and the movable inner frame 902 is connected with the second end plate 7 through bolts. The inner wall of the metal outer frame 901 is stuck with a buffer material 906; the cushioning material 906 may be selected from rubber and the like; the inner cavity of the movable inner frame 902 is partitioned into a plurality of spaces by partition steel plates 907, and the inside of each space is filled with an appropriate amount of the second granular material 908; the second particle material 908 may be selected from metal materials such as iron sand, lead particles, etc.; wherein the separator steel plate 907 is parallel to the web of the i-beam 2.
The metal outer frame 901 and the movable inner frame 902 of the viscoelastic damper 9 can move relatively. The layer 903 of viscoelastic material may employ one or more materials including, but not limited to, asphalt, latex, or epoxy.
The invention realizes the purpose of earthquake energy consumption through a plurality of devices between the I-shaped steel beam 2 and the concrete column 1. When receiving external earthquake action input, the connecting node of the whole I-shaped steel beam 2 and the concrete column 1 can simultaneously absorb and consume the earthquake action by all parts in the device, and prevent the early brittle failure of the beam column node.
Firstly, the energy-dissipating beam section 3 is arranged at the beam column node, the intensity level and the width of the energy-dissipating beam section 3 are smaller than those of a common beam section, and the energy-dissipating beam section 3 firstly yields and consumes seismic energy when seismic action is transmitted. Secondly, the energy-consuming hinge device 8 is disposed at the central axis of the i-steel beam 2, when an earthquake occurs, the beams and columns will rotate and slide relatively, the friction force in the energy-consuming hinge device 8 can consume earthquake energy, the first granular material 807 (metal particles) in the hollow slab 804 can collide relatively, and the collision of the first granular material 807 and the hollow slab 804 can consume part of the earthquake energy. Furthermore, the relative movement between the metal outer frame 901 and the movable inner frame 902 in the viscoelastic damper 9 is subject to the dual resistance of the elastic force of the springs 905 and the viscoelastic material layer 903, while the relative collision of the second particulate material 908 (metal particles) in the movable inner frame 902 and the collision of the second particulate material 908 with the movable inner frame 902 further consume the energy of the earthquake. After an earthquake, larger relative displacement can occur between the beams and the columns, and at the moment, the screws 11 can be quickly restored after the screws 11 are deformed by heat treatment of the screws 11 of the SMA material, so that the building function can be quickly restored.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the invention.
Claims (10)
1. An i-beam to concrete column connection node comprising: the energy-consumption beam section, the energy-consumption hinging device and the viscoelastic energy-consumption shock absorber are respectively connected between the concrete column and the I-shaped steel beam;
the yield strength of the energy dissipating beam section is lower than that of the I-shaped steel beam;
the energy consumption hinging device comprises a first hinging piece and a second hinging piece which are hinged with each other; the first hinge piece is connected with the concrete column, the second hinge piece is connected with the I-shaped steel beam, and the first hinge piece and the second hinge piece are matched with each other in a relative rotation and/or relative movement mode;
the viscoelastic energy dissipation damper comprises a first connecting piece and a second connecting piece; the first connecting piece with the concrete column is connected, the second connecting piece with the I-steel beam is connected, be provided with the viscoelastic material layer between the first connecting piece with the second connecting piece, and pass through viscoelastic material layer friction fit.
2. The i-beam to concrete column connection node of claim 1, wherein said first hinge member comprises two cleats; the second hinge comprises a hollow plate; the hollow plate is arranged between the two clamping plates and is hinged with the two clamping plates through a high-strength bolt; the interior cavity of the hollow slab is filled with a first particulate material.
3. The steel i-beam to concrete column connection node of claim 2 wherein a plurality of separator plates are disposed within said hollow slab, said separator plates dividing the interior cavity of said hollow slab into a plurality of spaces, each space being filled with said first particulate material.
4. The i-beam to concrete column connection joint of claim 2 wherein a sandwich copper plate is disposed between the hollow slab and the clamping plates, and the opposite sides of the two clamping plates are provided with outer steel plates; the clamping plate is provided with a slotted hole; the high-strength bolts penetrate through the slotted holes to be connected with the outer steel plate; the aperture of the slot hole is larger than the diameter of the high-strength bolt, the outer steel plate and the sandwich copper plate seal the two ends of the slot hole, and the high-strength bolt also penetrates through the sandwich copper plate and the hollow plate.
5. The i-beam to concrete column connection node of claim 1 wherein said first connection member comprises a metal outer frame and said second connection member comprises a movable inner frame; the inner side of the metal outer frame is provided with a viscoelastic material layer, and a channel is arranged in the viscoelastic material layer; the side wall of the movable inner frame is inserted into the channel to be in friction fit with the viscoelastic material layer.
6. The girder-in-steel and concrete column connecting joint of claim 5 wherein an elastic member is connected between said outer metal frame and said inner movable frame.
7. The steel i-beam to concrete column connection node of claim 5 wherein the interior cavity of the movable inner frame is filled with a second particulate material.
8. The girder i-section and column connection node of claim 5 wherein the inner side of the metal casing is further provided with a cushioning material.
9. The i-beam to concrete column connection node of claim 1 wherein said energy dissipating beam section comprises a box structure having a space therein; the energy-consuming hinge device and the viscoelastic energy-consuming damper are respectively arranged in the inner space of the box body structure.
10. The i-beam to concrete column connection node of claim 1 wherein said box structure is further provided with angle bars at its upper and lower ends, said angle bars comprising vertical and horizontal plates; the vertical plate of the angle steel is connected with the concrete column through a screw rod, and the horizontal plate of the angle steel is erected on the flange plate of the I-shaped steel beam; a fixed steel plate is welded on the flange plate of the I-shaped steel beam, a lap joint steel plate is welded on the fixed steel plate, and a horizontal plate of the angle steel is positioned between the flange plate and the lap joint steel plate and is connected through a bolt; and a friction plate is further arranged between the horizontal plate and the lap joint steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311244137.7A CN117266379A (en) | 2023-09-26 | 2023-09-26 | I-beam and concrete column connection node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311244137.7A CN117266379A (en) | 2023-09-26 | 2023-09-26 | I-beam and concrete column connection node |
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| Publication Number | Publication Date |
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| CN117266379A true CN117266379A (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311244137.7A Pending CN117266379A (en) | 2023-09-26 | 2023-09-26 | I-beam and concrete column connection node |
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| CN (1) | CN117266379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240167293A1 (en) * | 2022-11-22 | 2024-05-23 | South China University Of Technology | Earthquake-resistant and seismic-damping multifunction cooperative system for modular steel structure building |
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2023
- 2023-09-26 CN CN202311244137.7A patent/CN117266379A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240167293A1 (en) * | 2022-11-22 | 2024-05-23 | South China University Of Technology | Earthquake-resistant and seismic-damping multifunction cooperative system for modular steel structure building |
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