CN212613023U - Double-arch steel frame beam column node reinforcing device with grading energy consumption function - Google Patents
Double-arch steel frame beam column node reinforcing device with grading energy consumption function Download PDFInfo
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- CN212613023U CN212613023U CN202020644433.1U CN202020644433U CN212613023U CN 212613023 U CN212613023 U CN 212613023U CN 202020644433 U CN202020644433 U CN 202020644433U CN 212613023 U CN212613023 U CN 212613023U
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Abstract
The utility model discloses a two arch-shaped steel frame beam column node reinforcing apparatus with hierarchical power consumption function belongs to steel construction reinforcement technical field. The steel column comprises an H-shaped steel beam, a steel column component, a horizontal rib plate, an arch rib plate, an ear plate, an inner arch and a rubber pad. The outer sides of the left flange and the right flange of the H-shaped steel column are welded with an H-shaped steel beam component, and the inner sides of the H-shaped steel column are welded with two horizontal rib plates which are as high as the upper flange and the lower flange of the H-shaped steel beam component; the four end parts of the arch rib plate are welded with ear plates, and the inner side of the arch rib plate is connected with an inner arch; rubber pads are clamped between the inner arch and the arch rib plates; the ear plates are uniformly provided with strip-shaped sliding holes at certain intervals; the horizontal rib plate, the rubber pad and the inner arch are correspondingly provided with bolt holes; the horizontal rib plates, the ear plates, the rubber pads and the inner arch are connected and installed through high-strength bolts. The inner arch takes place earlier and yields under the seismic action, increases the power consumption, and the smooth transition of the department of buckling of inner arch prevents stress concentration, the utility model discloses can effectively reduce the earthquake and to the destruction that the girder steel post brought, be favorable to the repair after the earthquake, the economic nature is better.
Description
Technical Field
The utility model relates to a two arch shaped steel frame beam column node reinforcing apparatus with hierarchical power consumption function belongs to steel construction reinforcement technical field.
Background
Compared with the traditional brick-concrete structure, the steel structure has the advantages of light dead weight, high strength and good earthquake resistance, can be recycled in the construction process, and accords with the national sustainable development strategy, so that the steel structure building is widely applied in China.
The traditional steel frame beam column node is complex in stress, and the reliability of the bearing capacity of the structure is directly determined by the performance of the traditional steel frame beam column node. Most of the existing steel structure buildings adopt a mode of welding and connecting beams and column side walls, but the welding seam has the defects of cracks, air holes and the like in the welding process, so that the phenomenon that the joint area of the steel structure building is firstly subjected to brittle failure in the bearing process is caused, the design idea of 'strong joints and weak members' is violated, and therefore, the beam-column welding joints are necessary to be reinforced and improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a two arch shaped steel frame beam column node reinforcing apparatus with hierarchical power consumption function, include: the steel plate comprises an H-shaped steel beam, an H-shaped steel column, a horizontal rib plate and an arch rib plate; the two H-shaped steel beams are symmetrically welded on two sides of the flange of the H-shaped steel column; the flange of the H-shaped steel beam is perpendicular to the flange of the H-shaped steel column member; two horizontal rib plates are welded on the inner side of the flange of the H-shaped steel column, two arch rib plates are arranged between the two horizontal rib plates, and the arch tops of the two arch connecting rib plates are mutually abutted.
In an embodiment of the present invention, the two ends of the arched rib plate are connected to an inner arch, the inner arch is a shape formed by bending two ends of the i-shaped steel sheet by 90 degrees, and the bending part of the inner arch is in smooth transition.
In an embodiment of the present invention, both ends of the arch rib plate are respectively welded to the ear plates, and the ear plates are as wide as the arch rib plate.
In an embodiment of the present invention, a rubber pad is disposed between the arch rib plate and the inner arch.
In an embodiment of the present invention, the ear plate is provided with a bar-shaped sliding hole.
The utility model discloses an in the embodiment, the inner arch is equipped with the inner arch bolt hole at both ends kink part, be equipped with the floor bolt hole on the horizontal floor, be equipped with the rubber pad bolt hole on the rubber pad, arch form floor, rubber pad and inner arch pass strip type slide opening, floor bolt hole, inner arch bolt hole, rubber pad bolt hole through high strength bolt and install on the horizontal floor.
In an embodiment of the present invention, the length of the gap between the ear plate and the flange of the H-shaped steel column is the same as the thickness of the flange of the H-shaped steel column.
The utility model discloses an in an embodiment, the cuboid region that horizontal floor and two flange inboards of H shaped steel post enclose is the node domain, the width of arch type floor equals with the width of horizontal floor.
In an embodiment of the present invention, the two horizontal rib plates and the neutral layers of the two flanges of the H-shaped steel column are located on the same plane respectively.
The utility model discloses an in the embodiment, parallel arrangement about two horizontal floor and parallel with ground, the clearance distance on the edge of a wing equals about the clearance distance of two horizontal floor and H shaped steel roof beam.
Has the advantages that:
1. the utility model has the advantages that the arch rib plate and the inner arch are arranged at the welding joint of the H-shaped steel beam column, so that the welding joint of the H-shaped steel beam column is reinforced, and the strength and the rigidity of the steel beam column are improved by utilizing the characteristics of arch pressure resistance and energy consumption; the characteristics of energy consumption of the plastic deformation of the arch-shaped rib plate and the inner arch are utilized, the plasticity of the integral structure is improved, the breakage of main stress nodes of the structure main body is avoided, and the safety and the integral performance of the structure are improved.
2. The utility model adopts the high-strength bolt connection mode to fix the node of the arch rib plate, the inner arch and the horizontal rib plate, thereby being convenient to assemble and easy to operate, and being suitable for the beam columns with different cross-section sizes, wherein the arch rib plate vault is designed into a mutually conflicting structure, and can rotate and slide relatively along with the displacement deformation of the beam column in the earthquake, and the buffering effect is increased; the arch-shaped rib plate end ear plates are provided with strip-shaped sliding holes, the arch-shaped rib plates and the inner arches can move along with the sliding holes in the earthquake, kinetic energy is converted into potential energy of the double arches and the inner arches, and plasticity of steel beam column joints is increased, so that damage to the steel beam columns caused by earthquake displacement is reduced, repair after earthquake is facilitated, and the economic efficiency is good.
3. The utility model discloses a mode of two kinds of arch forms combination atress of interior arch and arch form floor improves node shock resistance. Under the action of small shock, more small arches firstly participate in stress; along with the reinforcement of an earthquake, the small arch yields, the displacement deformation of the node is increased, the large arch starts to participate in more stress, friction energy consumption starts to be carried out in the strip-shaped sliding hole, the plasticity of the node is enhanced, and the arch-shaped rib plate and the inner arch are connected with the rubber pad in a clamping manner, so that the sliding energy consumption and the viscous resistance can be improved; the inner arch is the cell type, and the relative flange department of web department thickness and width all reduces, and the inner arch takes place earlier to surrender under the earthquake action, increases the power consumption, and the smooth transition of department of buckling of inner arch prevents stress concentration, the utility model discloses can effectively reduce the earthquake to the destruction that the girder steel post brought, be favorable to the restoration after the vibrations, the economic nature is better.
4. The utility model discloses a reinforcement mode has remedied traditional girder steel, the easy shortcoming that tears and brittle failure take place in the welding seam region under the earthquake influence of post connected node, and in the light earthquake or the middle earthquake, the preferential emergence of inner arch yields, increases the energy consumption, and simultaneously arch-shaped floor buffering consumed energy and bearing in coordination, its vault and end connection sliding hole department still can take place relative rotation and slip, has strengthened the plasticity of girder steel, post connected node, reduces the girder steel, post connected node because of the displacement that the earthquake brought and take place brittle failure probably; in large-scale earthquake, the utility model discloses can preferentially guarantee the regional power consumption sufficiency of node, make power consumption concentrated region shift to the girder steel tip to realize the design theory of "strong post weak beam, strong node". Furthermore, the utility model discloses a can replace the component, can used repeatedly.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of embodiment 1;
FIG. 2 is a schematic view showing the assembly of the overall structure and the arched ribs according to example 1;
FIG. 3 is a detailed view of the construction of the arch rib and the inner arch node of embodiment 1;
FIG. 4 is a detailed view of the horizontal rib of example 1;
FIG. 5 is a detailed view of the arched rib of example 1;
FIG. 6 is a schematic view of the manufacturing and detailed structure of the inner arch according to embodiment 1;
FIG. 7 is a detailed structural diagram of the rubber pad of embodiment 1;
in the figure: 1. an H-shaped steel beam; 2. h-shaped steel columns; 3. a horizontal rib plate; 4. an arch rib plate; 5. an inner arch; 6. a rubber pad; 7. an ear plate; 8. a strip-shaped sliding hole; 9. rib plate bolt holes; 10. a high-strength bolt pair; 11. an inner arch bolt hole; 12. a rubber pad bolt hole; 13. i-shaped steel sheet.
Detailed Description
The technical solution in the embodiments of the present invention will be completely and clearly described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 6, the present embodiment provides a reinforcing device for a node of a double-arch ribbed steel beam column, comprising: h shaped steel roof beam 1, H shaped steel post 2, horizontal floor 3, arch-shaped floor 4, inner arch 5, rubber pad 6, otic placode 7, strip type slide hole 8, floor bolt hole 9, high strength bolt 10, inner arch bolt hole 11, rubber pad bolt hole 12.
Two H-shaped steel beams 1 are symmetrically welded on two sides of the flange of the H-shaped steel column 2, and the flange of each H-shaped steel beam 1 is perpendicular to the flange of the H-shaped steel column member 2;
two horizontal rib plates 3 are welded on the inner sides of the flanges of the H-shaped steel column 2, and the two horizontal rib plates 3 and the neutral layers of the two flanges of the H-shaped steel column 2 are respectively positioned on the same plane; the horizontal rib plate 3 is provided with a rib plate bolt hole 9;
the two arch-shaped rib plates 4 are positioned between the two horizontal rib plates 3, two ends of each arch-shaped rib plate 4 are respectively welded with the ear plates 7, the ear plates 7 and the arch-shaped rib plates 4 are equal in width, and the arch tops of the two arch-shaped connecting rib plates 4 are mutually abutted;
a strip-shaped sliding hole 8 is formed in the ear plate 7; the inner arch 5 is positioned in the arch rib plate 4, the inner arch 5 is formed by bending two ends of an I-shaped steel sheet 13 by 90 degrees, and inner arch bolt holes 11 are formed in the bending parts of the two ends; the bending part of the inner arch 5 is in smooth transition, so that stress concentration is prevented.
The rubber pad 6 is clamped between the arch-shaped rib plate 4 and the inner arch 5, and a rubber pad bolt hole 12 is arranged on the rubber pad 6;
the arch rib plates 4, the rubber pads 6 and the inner arches 5 are arranged on the horizontal rib plates 3 through high-strength bolts 10 penetrating through the strip-shaped sliding holes 8, the rib plate bolt holes 9, the inner arch bolt holes 11 and the rubber pad bolt holes 12.
Furthermore, the length of the gap between the lug plate 7 and the flange of the H-shaped steel column 2 is the same as the thickness of the flange of the H-shaped steel column 2, so that the residual stress of a welding seam and a high-temperature heat affected zone can be avoided, and the connection reliability of the arch rib plate 4 and the inner arch 5 is ensured.
Furthermore, a cuboid region defined by the horizontal rib plate 3 and the inner sides of the two flanges of the H-shaped steel column 2 is a node region, and the width of the arch rib plate 4 is equal to that of the horizontal rib plate 3, so that the rigidity and the strength of the node region can be increased, the bearing capacity of the node region is improved, the buckling of the node region is delayed, and the stability of the node region is improved.
Furthermore, the two horizontal rib plates 3 are arranged in parallel up and down and are parallel to the ground, and the gap distance between the two horizontal rib plates 3 is equal to the gap distance between the upper flange and the lower flange of the H-shaped steel beam 1.
The working principle is as follows: the arch tops of the arch-shaped rib plates 4 are mutually abutted, so that the arch-shaped rib plates can relatively rotate and slide along with the displacement deformation of the H-shaped steel beam in an earthquake, and the buffering effect is improved; in earthquake, the arched rib plates 4 and the inner arches 5 can move along with the strip-shaped sliding holes 8, kinetic energy is converted into potential energy of the double-arched rib plates 4 and the inner arches 5, plasticity of the steel beam column joints is increased, and accordingly damage to the steel beam column caused by earthquake displacement is reduced.
The protection scope of the present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements that can be made by a person skilled in the art within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a steel frame beam column node reinforcing apparatus which characterized in that includes: the steel plate comprises an H-shaped steel beam, an H-shaped steel column, a horizontal rib plate and an arch rib plate; the two H-shaped steel beams are symmetrically welded on two sides of the flange of the H-shaped steel column; the flange of the H-shaped steel beam is perpendicular to the flange of the H-shaped steel column member; two horizontal rib plates are welded on the inner side of the flange of the H-shaped steel column, two arch rib plates are arranged between the two horizontal rib plates, and the arch tops of the two arch rib plates are mutually abutted.
2. The reinforcing device for a beam-column joint of a steel frame as claimed in claim 1, wherein the two ends of the arch rib plate are connected with inner arches, the inner arches are formed by bending two ends of an I-shaped steel sheet by 90 degrees, and the bending parts of the inner arches are in smooth transition.
3. The reinforcing device for a node of a beam column of a steel frame as claimed in claim 2, wherein both ends of the arch rib are respectively welded with the ear plates, and the ear plates and the arch rib are equal in width.
4. A steel frame beam column joint reinforcing apparatus as claimed in claim 3, wherein a rubber pad is provided between said arch rib and said inner arch.
5. The reinforcing apparatus of a beam-column joint of a steel frame according to claim 4, wherein the ear plate is provided with a bar type slip hole.
6. The reinforcing apparatus for a beam-column joint of a steel frame according to claim 5, wherein the inner arch is provided with inner arch bolt holes at bent portions at both ends, the horizontal rib plate is provided with rib plate bolt holes, the rubber pad is provided with rubber pad bolt holes, and the arch rib plate, the rubber pad and the inner arch are installed on the horizontal rib plate by passing high-strength bolts through the bar-shaped slip holes, the rib plate bolt holes, the inner arch bolt holes and the rubber pad bolt holes.
7. The apparatus of claim 6, wherein the gap between the lug plate and the flange of the H-beam is equal to the thickness of the flange of the H-beam.
8. The reinforcing device for the joints of the steel frame beams and the steel frame columns as claimed in claim 7, wherein the rectangular areas enclosed by the horizontal rib plates and the inner sides of the two flanges of the H-shaped steel columns are joint areas, and the width of the arch rib plates is equal to that of the horizontal rib plates.
9. The reinforcing device for a beam-column joint of a steel frame as claimed in claim 8, wherein the two horizontal ribs and the neutral layers of the two flanges of the H-shaped steel column are respectively located on the same plane.
10. The reinforcing device for the beam-column joint of the steel frame as claimed in any one of claims 1 to 9, wherein the two horizontal rib plates are arranged in parallel up and down and parallel to the ground, and the gap distance between the two horizontal rib plates is equal to the gap distance between the upper and lower flanges of the H-shaped steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644433.1U CN212613023U (en) | 2020-04-24 | 2020-04-24 | Double-arch steel frame beam column node reinforcing device with grading energy consumption function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644433.1U CN212613023U (en) | 2020-04-24 | 2020-04-24 | Double-arch steel frame beam column node reinforcing device with grading energy consumption function |
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| Publication Number | Publication Date |
|---|---|
| CN212613023U true CN212613023U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020644433.1U Expired - Fee Related CN212613023U (en) | 2020-04-24 | 2020-04-24 | Double-arch steel frame beam column node reinforcing device with grading energy consumption function |
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| CN (1) | CN212613023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753696A (en) * | 2022-04-18 | 2022-07-15 | 河南工业大学 | Assembled is from restoring to throne concrete frame node based on modularization power consumption is connected |
-
2020
- 2020-04-24 CN CN202020644433.1U patent/CN212613023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753696A (en) * | 2022-04-18 | 2022-07-15 | 河南工业大学 | Assembled is from restoring to throne concrete frame node based on modularization power consumption is connected |
| CN114753696B (en) * | 2022-04-18 | 2024-05-28 | 河南工业大学 | Assembled self-resetting concrete frame node based on modularized energy consumption connection |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |