CN211396060U - Column end energy consumption device - Google Patents
Column end energy consumption device Download PDFInfo
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- CN211396060U CN211396060U CN201922159140.4U CN201922159140U CN211396060U CN 211396060 U CN211396060 U CN 211396060U CN 201922159140 U CN201922159140 U CN 201922159140U CN 211396060 U CN211396060 U CN 211396060U
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Abstract
The utility model discloses a column end energy consumption device, including rigid connection spare and power consumption portion, the rigid connection spare includes upper portion connecting piece and lower part connecting piece, and wherein the upper portion connecting piece is used for connecting upper portion concrete member, and the lower part connecting piece is used for connecting the lower part concrete member, power consumption portion sets up between the upper portion connecting piece and lower part connecting piece, its characterized in that, power consumption portion includes stromatolite rubber and ribbed steel cylinder; the laminated rubber is positioned in the center between the upper connecting piece and the lower connecting piece; four ribbed steel cylinders are arranged around the laminated rubber, the four ribbed steel cylinders are fixedly connected with the upper connecting piece and the lower connecting piece, the central axes of the cylinders of the adjacent ribbed steel cylinders are mutually vertical, and the central axes are parallel to the edge line of the concrete member connected with the rigid connecting piece. The utility model discloses through ribbed steel cylinder dissipation seismic energy under the earthquake effect, possess repairable nature after the shake.
Description
Technical Field
The utility model relates to a building field, in particular to toe power consumption device.
Background
Currently, earthquake occurrences are showing a high frequency trend. Statistically, earthquakes that may cause damage occur up to about 1000 times per year worldwide. The high-frequency earthquake not only causes great loss to the social economy, but also threatens the life safety of human beings. In the aspect of building earthquake resistance, people are seeking high-performance structures for resisting earthquake disasters, and expecting rapid recovery of social economy. Traditional reinforced concrete post adopts the ductility design, relies on the plastic hinge that the column end produced to consume seismic energy, but the problem that such design faces also becomes more outstanding gradually, and the post will receive irreversible damage after the earthquake promptly, is difficult to restore, and the whole function of having lost the use under the earthquake effect of house basically. Most scholars use a column end damper (such as a viscous damper) to consume seismic energy, but the column end damper usually occupies a large volume and affects daily work of people. At present, laminated rubber becomes a hot door product in the field of buildings, has the advantages of high vertical rigidity, good horizontal deformation capacity and the like, and is widely applied to bridge and house shock insulation. In addition, the prefabricated building is becoming a mainstream trend at present, and has the advantages of high construction speed, standardized production and the like, and the structural research on how to adapt to the development of the prefabricated building and simultaneously exert the seismic performance of the prefabricated building is particularly important.
Disclosure of Invention
The utility model aims to solve the technical problem that not enough to above-mentioned prior art exists, provide one kind for reinforced concrete column and can consume seismic energy under the earthquake effect, simultaneously can quick prosthetic toe power consumption device again.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a column end energy consumption device comprises a rigid connecting piece and an energy consumption part, wherein the rigid connecting piece comprises an upper connecting piece and a lower connecting piece, the upper connecting piece is used for connecting an upper concrete member, the lower connecting piece is used for connecting a lower concrete member, and the energy consumption part is arranged between the upper connecting piece and the lower connecting piece; the laminated rubber is positioned in the center between the upper connecting piece and the lower connecting piece; four ribbed steel cylinders are arranged around the laminated rubber, the four ribbed steel cylinders are fixedly connected with the upper connecting piece and the lower connecting piece, the central axes of the cylinders of the adjacent ribbed steel cylinders are mutually vertical, and the central axes are parallel to the edge line of the concrete member connected with the rigid connecting piece.
The upper connecting piece is an upper steel sleeve connecting piece; the lower connecting piece is a lower steel sleeve connecting piece.
The upper steel sleeve connecting piece and the lower steel sleeve connecting piece are respectively provided with a first connecting hole for connecting the ribbed steel cylinder; the upper steel sleeve connecting piece and the lower steel sleeve connecting piece are provided with second connecting holes for connecting threaded longitudinal ribs at the end parts; the lower part of the upper steel sleeve connecting piece is connected with the ribbed steel cylinder through a first fastener of a first connecting hole; the upper part of the lower steel sleeve connecting piece is connected with the ribbed steel cylinder through a first fastener of a first connecting hole; and the upper steel sleeve connecting piece and the lower steel sleeve connecting piece are connected with the reserved longitudinal bar with the threads at the end part through a second fastening piece of the second connecting hole.
The upper steel bushing connecting piece and the lower steel bushing connecting piece are composed of square steel pipes, a steel return plate, a stiffening steel plate and a planar steel plate, one end of each square steel pipe is connected with the steel return plate, the steel return plate is sequentially connected with the stiffening steel plate and the planar steel plate, and the middle of each steel return plate is a groove-shaped steel member.
The upper surface of the laminated rubber is directly vulcanized and bonded with the lower surface of the upper steel sleeve connecting piece, and the lower surface of the laminated rubber is directly vulcanized and bonded with the upper surface of the lower steel sleeve connecting piece.
The ribbed steel cylinder is a steel member consisting of a hollow cylindrical cylinder and arc-shaped ribs, wherein the two ends of the hollow cylindrical cylinder are open, and the arc-shaped ribs are symmetrically arranged on the outer surface of the hollow cylindrical cylinder.
The first fastener and the second fastener are both bolts.
Compared with the prior art, the utility model discloses column end power consumption device has following beneficial effect:
the utility model discloses toe power consumption unit comprises ribbed steel cylinder and stromatolite rubber, and ribbed steel cylinder is power consumption parts and shear force transmission part of power consumption unit, through ribbed steel cylinder dissipation seismic energy, can take the lead into the yield under the earthquake action, and only must change impaired ribbed steel cylinder after the earthquake and can resume normal use state rapidly. The laminated rubber between the ribbed steel cylinders provides the vertical bearing capacity of the energy consumption device, and can be used as a fulcrum of column end rotation under the action of an earthquake to act in cooperation with the ribbed steel cylinders.
The utility model discloses an upper and lower part steel bushing connecting piece and concrete establish the relation, and steel bushing recess and square steel pipe can provide reliable shear force transmission mechanism for steel-concrete transition district.
Drawings
Fig. 1 is a schematic structural view of the column end energy dissipation device of the present invention;
FIG. 2 is a cross-sectional cut-away view of the column end energy dissipation device of the present invention;
FIG. 3 is a schematic view of a steel sleeve connector of the column end energy dissipation device of the present invention;
fig. 4 is a schematic split view of the steel sleeve connector structure of the column end energy dissipation device of the present invention;
FIG. 5 is a schematic structural view of a ribbed steel cylinder of the column end energy dissipation device of the present invention;
fig. 6 is a schematic view of the position of the laminated rubber of the column end energy dissipation device of the present invention;
FIG. 7 is a stress distribution diagram of a finite element analysis of an embodiment of the column end energy dissipation device of the present invention;
fig. 8 is a graph of hysteresis of finite element analysis according to an embodiment of the column end energy dissipation device of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The embodiments are substantially as shown in figures 1-5.
In this embodiment, an energy consumption device at column end using a combination of laminated rubber and a ribbed steel cylinder includes: laminated rubber 6, a ribbed steel cylinder 3 and a steel sleeve connector 2.
As shown in attached figures 3 and 4, the steel sleeve connector is a steel member, one end of a square steel pipe G1 is connected with a clip-shaped steel plate G2, the clip-shaped steel plate G2 is sequentially connected with a stiffening steel plate G3 and a plane steel plate G4, and the middle part of the steel sleeve connector is groove-shaped.
After the arrangement, the groove can be filled with concrete, so that a reliable shear force transfer mechanism is provided for the concrete column.
Referring to figures 1, 2 and 6, the steel sleeve connector is divided into an upper steel sleeve connector 2 and a lower steel sleeve connector 7 which are the same connector. As shown in fig. 3, the steel casing coupling is provided with a first coupling hole 2-1. As shown in the attached figure 5, the upper surface and the lower surface of the ribbed steel cylinder are provided with bolt holes with the same size and the same distance with the first connecting holes of the steel sleeve connecting piece. As shown in the attached figure 1, the steel sleeve connecting piece is connected with the ribbed steel cylinder through a fastening piece 5 on the surface of a first connecting hole 2-1.
After the arrangement, the steel sleeve connecting piece and the ribbed steel cylinder can be deformed together.
As shown in the attached figure 5, the ribbed steel cylinder is a cylindrical steel component with openings at two ends, and arc-shaped steel ribs are arranged on the surface of the ribbed steel cylinder.
After the arrangement, the energy consumption capacity of the ribbed steel cylinder can be increased.
As shown in the attached figure 1, the ribbed steel cylinders are arranged around the laminated rubber, the central axes of the cylinders of the adjacent ribbed steel cylinders are perpendicular to each other, and the central axes are parallel to the edge line of the concrete on which the cylinders are arranged.
When the steel cylinder is arranged in this way, the ribbed steel cylinder can simultaneously exert the earthquake dissipating capacity and the shear resistance providing capacity of the device.
As shown in attached figures 1 and 6, the laminated rubber is arranged in the middle between the upper steel sleeve connecting piece and the lower steel sleeve connecting piece, the upper surface of the laminated rubber is directly vulcanized and bonded with the lower surface of the upper steel sleeve connecting piece, and the lower surface of the laminated rubber is directly vulcanized and bonded with the upper surface of the lower steel sleeve connecting piece.
After the arrangement, the laminated rubber can provide the vertical bearing capacity of the device and can also be used as a pivot for the rotation of the column end node in the earthquake action process.
As shown in fig. 3, the steel jacket coupling is provided with a second coupling hole 2-2. As shown in figure 2, the steel sleeve connector is connected with the preset longitudinal steel bar with a thread at the end through a second fastening piece 4 of a second connecting hole.
After the arrangement, the longitudinal steel bars on the tension side of the concrete can be deformed together with the steel sleeve connecting piece.
The high-strength bolt in the embodiment can be manufactured by adopting 8.8 grade, 10.9 grade and above grades.
The steel sleeve connector and the ribbed steel cylinder in the embodiment can be made of one of Q345 steel, Q390 steel and the like.
The construction sequence of the embodiment can adopt the following steps that the lower concrete column is prefabricated firstly, and then the lower steel sleeve connecting piece of the device is connected with the pre-threaded longitudinal rib of the lower concrete column through a bolt. When cast-in-place concrete is adopted, a formwork is directly erected, and concrete is poured on the upper part of the energy consumption device; when the assembly type connecting mode is adopted, the prefabricated concrete column can be inserted into the upper steel sleeve connecting device in a socket and spigot mode, after fastening, concrete is filled between the prefabricated column and a square steel pipe gap of the upper steel sleeve connecting piece, and then construction is completed.
The device was analyzed by abaqus finite element software. The examples employ the following data: the height of the column is 1.5 m; the section of the concrete is 400mm multiplied by 400mm, and 16 longitudinal steel bars with the diameter of 24mm HRB400 grade are configured; the stirrups adopt 8mmHRB 400-grade steel bars with the diameter and the spacing of 60 mm; the thickness of each ribbed steel cylinder is 15mm, and each ribbed steel cylinder is provided with 4 arc-shaped steel ribs with the thickness of 15 mm; q345 is adopted for all the steel materials in the upper category; applying a vertical load of 1000kN to the top of the column; the column top was subjected to a horizontal reciprocating load and subsequently analyzed. The stress distribution of the column is shown in figure 7, and it can be seen that the ribbed steel cylinder firstly enters yield energy consumption. The hysteresis curve of the embodiment is shown in fig. 8, and the hysteresis performance is full, which illustrates the feasibility of the column end energy consumption device.
Claims (7)
1. A column end energy consumption device comprises a rigid connecting piece and an energy consumption part, wherein the rigid connecting piece comprises an upper connecting piece and a lower connecting piece, the upper connecting piece is used for connecting an upper concrete member, the lower connecting piece is used for connecting a lower concrete member, and the energy consumption part is arranged between the upper connecting piece and the lower connecting piece; the laminated rubber is positioned in the center between the upper connecting piece and the lower connecting piece; four ribbed steel cylinders are arranged around the laminated rubber, the four ribbed steel cylinders are fixedly connected with the upper connecting piece and the lower connecting piece, the central axes of the cylinders of the adjacent ribbed steel cylinders are mutually vertical, and the central axes are parallel to the edge line of the concrete member connected with the rigid connecting piece.
2. The column end energy dissipation device of claim 1, wherein: the upper connecting piece is an upper steel sleeve connecting piece; the lower connecting piece is a lower steel sleeve connecting piece.
3. The column end energy dissipation device of claim 2, wherein: the upper steel sleeve connecting piece and the lower steel sleeve connecting piece are respectively provided with a first connecting hole for connecting the ribbed steel cylinder; the upper steel sleeve connecting piece and the lower steel sleeve connecting piece are provided with second connecting holes for connecting threaded longitudinal ribs at the end parts; the lower part of the upper steel sleeve connecting piece is connected with the ribbed steel cylinder through a first fastener of a first connecting hole; the upper part of the lower steel sleeve connecting piece is connected with the ribbed steel cylinder through a first fastener of a first connecting hole; and the upper steel sleeve connecting piece and the lower steel sleeve connecting piece are connected with the reserved longitudinal bar with the threads at the end part through a second fastening piece of a second connecting hole.
4. The column end energy consumption device according to claim 2, wherein the upper steel sleeve connecting piece and the lower steel sleeve connecting piece are each composed of a square steel pipe, a steel clip, a stiffening steel plate and a flat steel plate, one end of the square steel pipe is connected with the steel clip, the steel clip is sequentially connected with the stiffening steel plate and the flat steel plate, and the middle part of the steel pipe is a groove-shaped steel member.
5. The column end energy dissipation device according to claim 2, wherein the upper surface of the laminated rubber is directly vulcanization bonded to the lower surface of the upper steel sleeve connector, and the lower surface of the laminated rubber is directly vulcanization bonded to the upper surface of the lower steel sleeve connector.
6. The column end energy consumption device according to claim 1, wherein the ribbed steel cylinder is a steel member consisting of a hollow cylindrical cylinder and arc-shaped ribs, wherein both ends of the hollow cylindrical cylinder are open, and the arc-shaped ribs are symmetrically arranged on the outer surface of the hollow cylindrical cylinder.
7. The column end energy dissipation device of claim 3, wherein the first and second fasteners are each bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159140.4U CN211396060U (en) | 2019-12-05 | 2019-12-05 | Column end energy consumption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159140.4U CN211396060U (en) | 2019-12-05 | 2019-12-05 | Column end energy consumption device |
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| CN211396060U true CN211396060U (en) | 2020-09-01 |
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| CN201922159140.4U Active CN211396060U (en) | 2019-12-05 | 2019-12-05 | Column end energy consumption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322782A (en) * | 2021-05-31 | 2021-08-31 | 哈尔滨工业大学 | Welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber |
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2019
- 2019-12-05 CN CN201922159140.4U patent/CN211396060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322782A (en) * | 2021-05-31 | 2021-08-31 | 哈尔滨工业大学 | Welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber |
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