CN211548175U - Be used for removable wave form steel sheet of column bottom and add memory alloy cylinder power consumption bearing diagonal - Google Patents

Abstract

The utility model discloses a replaceable waveform steel plate and memory alloy cylinder energy consumption diagonal brace for a column bottom, which comprises four diagonal brace components, wherein the four diagonal brace components are sequentially arranged on four sides of a column, and each diagonal brace component comprises a backing plate, a first triangular cushion block, a second triangular cushion block and a bottom plate; the backing plate is fixed in the side of column bottom, first triangle cushion is fixed in on the backing plate, second triangle cushion is fixed in on the bottom plate, be provided with first flat steel sheet and second flat steel sheet between first triangle cushion and the second triangle cushion, wherein, be provided with a plurality of first wave form steel sheets between the inclined plane of first flat steel sheet and first triangle cushion, be provided with a plurality of second wave form steel sheets between the inclined plane of second flat steel sheet and second triangle cushion, be fixed with a plurality of memory alloy cylinders between first flat steel sheet and the second flat steel sheet, this support can effectually avoid forming the plasticity hinge at the bottom of the post, the security of protection post then.

Description

A kind of oblique support for column bottom with replaceable corrugated steel plate and memory alloy cylindrical energy dissipation

technical field

The utility model belongs to the field of anti-seismic and shock absorption, and relates to an energy-dissipating oblique support for a column bottom with a replaceable corrugated steel plate and a memory alloy column.

Background technique

In the frame system, the load-bearing columns are used more, and the load-bearing columns are the main force of the overall structure, so the safety of the load-bearing columns is very important. Nowadays, the number of earthquakes in the world is becoming more and more frequent. Most of the buildings with frame structures collapse partially or as a whole due to the damage of the frame columns. The reinforced concrete columns bear the axial pressure and also bear the reciprocating horizontal load. Insufficient shear strength or ductility can cause cracking or failure of the column. Today, it is obviously unreasonable to demolish some buildings that are limited by the technology at that time, which requires adding energy-consuming components around the columns.

The frame column is prone to form plastic hinges at the bottom of the column under seismic load, and it is easy to tilt. The failure of the column bottom is mostly due to the existence of weak layers in the structure. During the earthquake, due to the excessive deformation of the weak layer, plastic hinges are formed at the bottom of the column.

Utility model content

The purpose of this utility model is to overcome the above-mentioned shortcomings of the prior art, and to provide a column bottom replaceable corrugated steel plate and a memory alloy cylindrical energy-dissipating oblique support, which can effectively avoid the formation of plastic hinges at the column bottom, thereby protecting the Column safety.

In order to achieve the above purpose, the utility model for the column bottom replaceable corrugated steel plate and memory alloy cylindrical energy dissipation inclined support comprises four inclined support members, wherein the four inclined support members are arranged on the four sides of the column in sequence, and each inclined support member includes a pad, a first triangular pad, a second triangular pad and a bottom plate;

The pad is fixed on the side of the bottom of the column, the first triangular pad is fixed on the pad, the second triangular pad is fixed on the bottom plate, and a first flat steel plate and a second triangular pad are arranged between the first triangular pad and the second triangular pad. The second flat steel plate, wherein several first corrugated steel plates are arranged between the first flat steel plate and the inclined surface of the first triangular spacer, and several second corrugated steel plates are disposed between the second flat steel plate and the inclined surface of the second triangular spacer , a number of memory alloy cylinders are fixed between the first flat steel plate and the second flat steel plate.

Several stiffening ribs are arranged between the first triangular spacer block and the backing plate and between the second triangular spacer block and the bottom plate.

The number of the first corrugated steel plates is four, and the four first corrugated steel plates are sequentially distributed along the circumferential direction, and the number of the second corrugated steel plates is four, and the four second corrugated steel plates are sequentially distributed along the circumferential direction.

The number of memory alloy cylinders is four, wherein the four memory alloy cylinders are sequentially distributed along the circumferential direction.

The cross-section of the first triangular spacer and the cross-section of the second triangular spacer are both right-angled triangles.

The end of each first corrugated steel plate is perpendicular to the inclined surface of the first triangular spacer, and the end of each second corrugated steel plate is perpendicular to the inclined surface of the second triangular spacer.

The end of each first corrugated steel plate is perpendicular to the first flat steel plate, and the end of each second corrugated steel plate is perpendicular to the second flat steel plate.

The minimum distance between the connection position of the first corrugated steel plate and the first flat steel plate from the edge of the first flat steel plate is 20cm; the minimum distance between the connection position of the second corrugated steel plate and the second flat steel plate from the edge of the second flat steel plate is 20cm.

The axis of the memory alloy cylinder is perpendicular to the first flat steel plate and the second flat steel plate, the included angle between the first flat steel plate and the horizontal plane is 45°, and the included angle between the second flat steel plate and the horizontal plane is 45°.

Both the backing plate and the bottom plate are arranged in the holes, wherein the backing plate and the side surface of the bottom of the column are connected by bolts.

The utility model has the following beneficial effects:

The energy-consuming oblique support of the replaceable corrugated steel plate at the bottom of the column and the memory alloy cylindrical energy-dissipating support according to the present utility model is carried out through the compression deformation of the memory alloy column, the first corrugated steel plate and the second corrugated steel plate when external energy is input during the specific operation. Energy consumption, thereby protecting the bottom of the column from damage, preventing the formation of plastic hinges at the bottom of the column, greatly improving economic benefits, effectively improving the bearing capacity of the column, and ensuring that the column is not damaged due to vibration. The structure is simple, easy to operate, and practical Extremely sexual.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a schematic structural diagram of an inclined support member in the utility model.

Among them, 11 is the backing plate, 12 is the bottom plate, 21 is the first triangular pad, 22 is the second triangular pad, 31 is the first corrugated steel plate, 32 is the second corrugated steel plate, 41 is the first flat steel plate, 42 is the The second flat steel plate, 5 is a memory alloy cylinder, and 6 is a stiffening rib.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Referring to FIGS. 1 to 2 , the energy-dissipating oblique support used for the column bottom replaceable corrugated steel plate and memory alloy cylinder according to the present invention includes four inclined support members, wherein the four inclined support members are sequentially arranged on four of the columns. side, and each inclined support member includes a pad 11, a first triangular pad 21, a second triangular pad 22 and a bottom plate 12; the pad 11 is fixed on the side of the bottom of the column, and the first triangular pad 21 is fixed on the pad 11, the second triangular spacer block 22 is fixed on the bottom plate 12, and a first flat steel plate 41 and a second flat steel plate 42 are arranged between the first triangular spacer block 21 and the second triangular spacer block 22, wherein the first flat steel plate A number of first corrugated steel plates 31 are arranged between 41 and the inclined surface of the first triangular spacer 21, and a number of second corrugated steel plates 32 are arranged between the second flat steel plate 42 and the inclined surface of the second triangular spacer 22. The first flat steel plate 41 and the second flat steel plate 42 are fixed with a number of memory alloy cylinders 5, wherein, between the first triangular spacer block 21 and the backing plate 11 and between the second triangular spacer block 22 and the bottom plate 12 are provided with a number of stiffening ribs 6 .

The number of the first corrugated steel plates 31 is four, the four first corrugated steel plates 31 are sequentially distributed along the circumferential direction, the number of the second corrugated steel plates 32 is four, and the four second corrugated steel plates 32 are sequentially distributed along the circumferential direction; The number of the cylinders 5 is four, wherein, the four memory alloy cylinders 5 are sequentially distributed along the circumferential direction.

The cross-section of the first triangular spacer 21 and the cross-section of the second triangular spacer 22 are both right-angled triangles; the end of each first corrugated steel plate 31 is perpendicular to the slope of the first triangular spacer 21, and each second corrugated steel plate The end of each of the first corrugated steel plates 31 is perpendicular to the first flat steel plate 41, and the end of each of the second corrugated steel plates 32 is perpendicular to the second flat steel plate 42. vertical.

The minimum distance between the connection position of the first corrugated steel plate 31 and the first flat steel plate 41 from the edge of the first flat steel plate 41 is 20 cm; The distance is 20cm; the axis of the memory alloy cylinder 5 is perpendicular to the first flat steel plate 41 and the second flat steel plate 42, the angle between the first flat steel plate 41 and the horizontal plane is 45°, and the angle between the second flat steel plate 42 and the horizontal plane is 45° °; The backing plate 11 and the bottom plate 12 are both provided with holes, wherein the backing plate 11 and the side surface of the bottom of the column are connected by bolts.

The utility model can reinforce the columns without destroying the existing buildings; at the same time, it can avoid the formation of plastic hinges at the bottom of the columns when the columns vibrate, greatly improve the ductility of the columns, and strengthen the bearing capacity of the columns; It can absorb the damage caused by the earthquake to the column, which not only improves the economic efficiency, but also improves the safety, and can reduce the possibility of collapse due to the tilt of the column.

Claims (10)

1. A replaceable corrugated steel plate at the bottom of the column and a memory alloy cylindrical energy-dissipating oblique support, characterized in that it comprises four inclined support members, wherein the four inclined support members are sequentially arranged on the four sides of the column, and each The inclined support members each include a backing plate (11), a first triangular pad (21), a second triangular pad (22) and a bottom plate (12); The backing plate (11) is fixed on the side surface of the bottom of the column, the first triangular spacer block (21) is fixed on the backing plate (11), the second triangular spacer block (22) is fixed on the bottom plate (12), and the first triangular spacer block (22) is fixed on the bottom plate (12). A first flat steel plate (41) and a second flat steel plate (42) are arranged between (21) and the second triangular spacer block (22), wherein the first flat steel plate (41) and the first triangular spacer block (21) Several first corrugated steel plates (31) are arranged between the inclined surfaces of the second flat steel plate (42) and several second corrugated steel plates (32) are arranged between the inclined surfaces of the second flat steel plate (42) and the second triangular spacer (22). Several memory alloy cylinders (5) are fixed between (41) and the second flat steel plate (42). 2 . The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy dissipation oblique support according to claim 1 , characterized in that, between the first triangular spacer block ( 21 ) and the backing plate ( 11 ) and the second triangular spacer Several stiffening ribs (6) are arranged between the cushion block (22) and the bottom plate (12). 3. The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy-consuming oblique support according to claim 1, wherein the number of the first corrugated steel plate (31) is four, and the four first corrugated steel plates ( 31) Distributed sequentially along the circumferential direction, the number of the second corrugated steel plates (32) is four, and the four second corrugated steel plates (32) are sequentially distributed along the circumferential direction. 4. The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy dissipation oblique support according to claim 1, is characterized in that, the number of memory alloy cylinders (5) is four, wherein, four memory alloy cylinders (5). 5) Distributed sequentially along the circumferential direction. 5. The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy dissipation oblique support according to claim 1, characterized in that the cross section of the first triangular spacer (21) and the second triangular spacer (22) The cross-sections are all right-angled triangles. 6. The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy-dissipating oblique support according to claim 1, wherein the end of each first corrugated steel plate (31) and the first triangular spacer (21) The inclined planes of each of the second corrugated steel plates (32) are perpendicular to the inclined planes of the second triangular spacers (22). 7. The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy-dissipating oblique support according to claim 1, wherein the end of each first corrugated steel plate (31) is in phase with the first flat steel plate (41). Vertically, the end of each second corrugated steel plate (32) is perpendicular to the second flat steel plate (42). 8 . The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy-dissipating oblique support according to claim 1 , wherein the connection position of the first corrugated steel plate (31) and the first flat steel plate (41) is a distance from the first The minimum distance from the edge of a flat steel plate (41) is 20cm; the minimum distance between the connection position of the second corrugated steel plate (32) and the second flat steel plate (42) from the edge of the second flat steel plate (42) is 20cm. 9. The replaceable corrugated steel plate for column bottom and the energy-dissipating oblique support of memory alloy cylinder according to claim 1, characterized in that the axis of the memory alloy cylinder (5) is perpendicular to the first flat steel plate (41) and the second flat steel plate (41) For the flat steel plate (42), the included angle between the first flat steel plate (41) and the horizontal plane is 45°, and the included angle between the second flat steel plate (42) and the horizontal plane is 45°. 10. The replaceable corrugated steel plate for column bottom plus memory alloy cylindrical energy dissipation oblique support according to claim 1, characterized in that, the backing plate (11) and the bottom plate (12) are both arranged in holes, wherein the backing plate (11) Connect with the side of the bottom of the column by bolts.

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