CN212453342U - Shock attenuation anticollision steel core concrete column - Google Patents
Shock attenuation anticollision steel core concrete column Download PDFInfo
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- CN212453342U CN212453342U CN202020300246.1U CN202020300246U CN212453342U CN 212453342 U CN212453342 U CN 212453342U CN 202020300246 U CN202020300246 U CN 202020300246U CN 212453342 U CN212453342 U CN 212453342U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 207
- 239000010959 steel Substances 0.000 title claims abstract description 207
- 239000004567 concrete Substances 0.000 title claims abstract description 75
- 230000035939 shock Effects 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000004574 high-performance concrete Substances 0.000 claims description 4
- 239000011372 high-strength concrete Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a shock attenuation anticollision steel core concrete column, include the polygon steel pipe and by connecting the multicavity steel pipe that the arc ripple steel sheet on the at least one steel pipe face in the polygon steel pipe outside formed, the ripple of arc ripple steel sheet is the hoop ripple, and the central angle of arc ripple steel sheet is not more than 180 degrees, and the chord length of arc ripple steel sheet is not more than the polygon steel pipe face width of connecting, the thickness of arc ripple steel sheet is not less than 1.5mm, highly is not more than the height of polygon steel pipe, packs core concrete in the polygon steel pipe, packs damping material in the cavity that arc ripple steel sheet and polygon steel pipe formed. The utility model discloses can effectively guarantee arc corrugated steel sheet restraint damping material and polygon steel core concrete collaborative work, can resist and slow down the horizontal striking, also can increase polygon steel core concrete's damping and bearing capacity at the earthquake action, restraint the bucking deformation of polygon steel pipe, improve polygon steel core concrete's antidetonation ductility.
Description
Technical Field
The utility model relates to a building and bridge engineering technical field, concretely relates to shock attenuation anticollision steel core concrete column.
Background
With the rapid development of the automobile industry and the shipping industry in China, accidents that automobiles and ships bump against bridges and buildings sometimes happen. At present, building and bridge structures are mainly in rigid anti-collision and flexible anti-collision modes. Rigid bumper applications primarily resist impacts by locally increasing the area of the structural columns, which reduces the impact forces on the structure through damaging deformation of the accident vehicle and vessel. The flexible anti-collision is mainly used for absorbing energy by wrapping a flexible buffer material on the structural column, so that the damage of the structure is reduced. The flexible buffer material is separated from the structural column in the flexible anti-collision design, and does not bear loads except collision together with the structural column. In addition, China is also a country with frequent earthquakes, many structures need to be subjected to earthquake-proof design, and the earthquake response of the structures can be effectively reduced by improving the damping of the structures. It should be noted that both impacts and rare earthquakes are small-probability events during the service of the structure, and the current design of the anti-collision design and the shock absorption design separately is not economical, and the anti-collision material should be used as the shock absorption material of the structure at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shock attenuation anticollision steel core concrete column closes anticollision design and shock attenuation design as an organic whole.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a shock attenuation anticollision steel core concrete column, includes polygon steel pipe and by connecting the multicavity steel pipe that the arc ripple steel sheet that is formed on at least one steel pipe face in the polygon steel pipe outside formed, the ripple of arc ripple steel sheet is the hoop ripple, and the central angle of arc ripple steel sheet is not more than 180 degrees, and the chord length of arc ripple steel sheet is not more than the polygon steel pipe face width of connecting, the thickness of arc ripple steel sheet is not less than 1.5mm, and highly is not more than the height of polygon steel pipe, fill core concrete in the polygon steel pipe, fill damping material in the cavity that arc ripple steel sheet and polygon steel pipe formed.
Preferably, the polygonal steel pipe is one of a hot-rolled steel pipe, a steel plate or a profile steel welded steel pipe, and the thickness of the pipe wall is not less than 6 mm.
Preferably, the core concrete filled in the polygonal steel tube is one of ordinary concrete, high-strength concrete and high-performance concrete, and the strength grade of the concrete is not equal to C30.
Preferably, the polygonal steel tube concrete is formed by solid steel tube concrete or hollow steel tube concrete.
Preferably, the damping material is one or more of rubber concrete, foamed metal, rubber, lightweight aggregate concrete, ordinary concrete, fiber reinforced concrete or high molecular polymer.
Preferably, the connection mode of the polygonal steel pipe and the arc corrugated steel sheet is welding or end plate bolt connection.
Preferably, the steel material of the polygonal steel pipe and the arc corrugated steel sheet is carbon structural steel or low alloy steel, and the quality grade is not lower than grade B.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the utility model discloses a polygon steel pipe and arc ripple steel sheet are connected and are formed whole multicavity steel pipe, the intussuseption of polygon steel pipe is filled with the concrete, the damping material is filled in the cavity that arc ripple steel sheet and polygon steel pipe formed, so can effectively guarantee arc ripple steel sheet restraint damping material and polygon steel pipe concrete collaborative work, can resist and slow down the horizontal striking, also can increase polygon steel pipe concrete's damping and bearing capacity at seismic action, the bucking of restraint polygon steel pipe is out of shape, improve polygon steel pipe concrete's antidetonation ductility.
2) On one hand, the corrugated steel sheet has strong deformation capability after being horizontally impacted, and can effectively buffer the horizontal impact; on the other hand, the annular rigidity of the corrugated steel sheet is high, so that the transverse deformation of the damping material can be restrained, and the energy absorption capacity of the damping material is improved.
3) The utility model discloses meet with the difference of striking risk according to each side of steel core concrete column, arrange the arc ripple steel sheet in a flexible way, pack different damping material in the cavity intussuseption that arc ripple steel sheet and polygon steel pipe formed.
4) When the arc corrugated steel sheet and the polygonal steel pipe are connected by the end plate bolts, the corrugated steel sheet and the damping material are convenient to replace after being impacted or damaged by earthquake.
Drawings
FIG. 1 is a schematic view of a shock-absorbing and anti-collision concrete filled steel tubular column manufactured in embodiment 1 of the present invention;
FIG. 2 is a schematic view of a shock-absorbing anti-collision concrete filled steel tubular column manufactured in embodiment 2 of the present invention;
FIG. 3 is a schematic view of a shock-absorbing and anti-collision concrete filled steel tubular column manufactured in embodiment 3 of the present invention;
in the figure, 1, an octagonal steel pipe; 2. an arc corrugated steel sheet; 3. core concrete; 4. a damping material; 5. a rectangular steel pipe; 6. and end plate bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in figure 1, the shock-absorbing and anti-collision concrete-filled steel tube column comprises an octagonal steel tube 1 formed by welding eight steel plates with the thickness of 16mm and a multi-cavity steel tube formed by arc corrugated steel sheets 2 symmetrically welded on six steel tube surfaces outside the octagonal steel tube 1. The steel materials of the octagonal steel pipe 1 and the arc corrugated steel sheet 2 are low alloy steel Q345B. The corrugations of the arc-shaped corrugated steel sheets 2 are annular corrugations, wherein the central angles of the two arc-shaped corrugated steel sheets 2 are 180 degrees, the central angles of the other four arc-shaped corrugated steel sheets 2 are less than 180 degrees, and the chord lengths of the six arc-shaped corrugated steel sheets 2 are equal to the width of the connecting pipe surface of the octagonal steel pipe 1. The thickness of the arc corrugated steel sheet 2 is 4mm, and the height is equal to that of the octagonal steel pipe 1. Filling core concrete 3 in the octagonal steel tube 1, wherein the core concrete 3 is high-strength concrete and has the strength grade of C65; the octagonal concrete filled steel tube is hollow concrete filled steel tube; and a cavity formed by the arc corrugated steel sheet 2 and the octagonal steel pipe 1 is filled with damping materials 4, wherein the damping materials 4 are divided into three types, namely rubber concrete, foam metal and rubber.
The manufacturing steps of the shock absorption anti-collision concrete filled steel tubular column are as follows: firstly, processing six arc-shaped corrugated steel sheets 2 and an octagonal steel tube 1 according to design dimensions, welding the six arc-shaped corrugated steel sheets 2 to six tube surfaces on the outer side of the octagonal steel tube 1 in a pairwise symmetry manner to form a multi-cavity steel tube, then filling high-strength concrete after supporting a circular inner formwork in the octagonal steel tube 1, and filling rubber concrete, foam metal and rubber in six cavities formed by the arc-shaped corrugated steel sheets 2 and the octagonal steel tube 1.
Example 2
As shown in figure 2, the shock-absorbing and anti-collision concrete-filled steel tube column comprises a hot-rolled rectangular steel tube 5 with the thickness of 10mm and a multi-cavity steel tube formed by arc-shaped corrugated steel sheets 2 which are symmetrically welded on four steel tube surfaces outside the rectangular steel tube 5. The steel materials of the hot-rolled rectangular steel pipe and the arc corrugated steel sheet are carbon structural steel Q235B. The corrugation of each arc corrugated steel sheet 2 is annular corrugation, wherein the central angle of two arc corrugated steel sheets 2 is 180 degrees, the central angle of the other two arc corrugated steel sheets 2 is less than 180 degrees, and the chord lengths of the four arc corrugated steel sheets 2 are equal to the width of the connecting pipe surface of the hot-rolled rectangular steel pipe. The thickness of the arc-shaped corrugated steel sheet 2 is 3mm, and the arc-shaped corrugated steel sheet is welded in the range from the middle to the bottom of the rectangular steel pipe. Filling core concrete 3 in the rectangular steel pipe 5, wherein the core concrete 3 is common concrete and has the strength grade of C45; the rectangular steel pipe concrete is solid steel pipe concrete; and a cavity formed by the arc-shaped corrugated steel sheet 2 and the rectangular steel pipe 5 is filled with damping materials 4, wherein the damping materials 4 are light aggregate concrete and high molecular polymers respectively.
The manufacturing steps of the shock absorption anti-collision concrete filled steel tubular column are as follows: firstly, four arc corrugated steel sheets 2 are processed according to the design size, the four arc corrugated steel sheets 2 are respectively welded to four pipe surfaces on the outer side of a hot-rolled rectangular steel pipe 5 in a pairwise symmetry manner to form a multi-cavity steel pipe, common concrete is filled in the rectangular steel pipe 5, and lightweight aggregate concrete and high polymer are respectively filled in four cavities formed by the arc corrugated steel sheets 2 and the rectangular steel pipe 5.
Example 3
As shown in figure 3, the shock-absorbing and anti-collision concrete-filled steel tube column comprises a hot-rolled rectangular steel tube 5 with the thickness of 12mm and a multi-cavity steel tube formed by arc-shaped corrugated steel sheets 2 symmetrically connected to two steel tube surfaces on the outer side of the rectangular steel tube 5 through end plate bolts 6. And the steel materials of the arc corrugated steel sheet 2 and the rectangular steel pipe 5 are low alloy steel Q345C. The corrugation of each arc corrugated steel sheet 2 is annular corrugation, the central angle of the two arc corrugated steel sheets 2 is 180 degrees, and the chord length of the two arc corrugated steel sheets 2 is equal to the width of the connecting pipe surface of the rectangular steel pipe 5. The thickness of the arc corrugated steel sheet 2 is 2mm, and the height is equal to the height of the rectangular steel pipe 5. Filling core concrete 3 in the rectangular steel pipe 5, wherein the core concrete 3 is high-performance concrete and the strength grade is C80; the rectangular steel pipe concrete is hollow steel pipe concrete; and a cavity formed by the arc corrugated steel sheet 2 and the rectangular steel pipe 5 is filled with a damping material 4, and the damping material 4 is rubber concrete.
The manufacturing steps of the shock absorption anti-collision concrete filled steel tubular column are as follows: the method comprises the steps of firstly processing two arc-shaped corrugated steel sheets 2 according to the design size, respectively welding end plates at the joints of the arc-shaped corrugated steel sheets 2 and a hot-rolled rectangular steel pipe 5, symmetrically connecting the two arc-shaped corrugated steel sheets 2 and the hot-rolled rectangular steel pipe 5 through bolts to form a multi-cavity steel pipe, then filling high-performance concrete after supporting a rectangular inner template in the rectangular steel pipe 5, and respectively filling rubber concrete in two cavities formed by the arc-shaped corrugated steel sheets 2 and the rectangular steel pipe 5.
The arc corrugated steel sheets are specifically arranged according to the direction in which the shock-absorbing anti-collision concrete filled steel tube column is likely to face collision, and different damping materials are selected and filled according to the magnitude of the anti-collision force, wherein the damping materials are one or more of rubber concrete, foam metal, rubber, light aggregate concrete, common concrete, fiber reinforced concrete or high molecular polymers. In addition, in order to enhance the energy consumption and the bearing capacity of the damping material, the damping material can be reinforced.
Claims (7)
1. The utility model provides a shock attenuation anticollision steel core concrete column, its characterized in that includes polygon steel pipe and the multicavity steel pipe that is formed by the arc ripple steel sheet of connecting on at least one steel pipe face in the polygon steel pipe outside, the ripple of arc ripple steel sheet is the hoop ripple, and the central angle of arc ripple steel sheet is not more than 180 degrees, and the chord length of arc ripple steel sheet is not more than the polygon steel pipe face width of connecting, the thickness of arc ripple steel sheet is not less than 1.5mm, and highly is not more than the height of polygon steel pipe, pack core concrete in the polygon steel pipe, pack damping material in the cavity that arc ripple steel sheet and polygon steel pipe formed.
2. The concrete-filled steel tubular column with shock absorption and collision avoidance according to claim 1, wherein the polygonal steel tube is one of a hot rolled steel tube, a steel plate or a steel welded steel tube, and the thickness of the tube wall is not less than 6 mm.
3. The concrete-filled steel tubular column with shock absorption and collision avoidance according to claim 1, wherein the core concrete filled in the polygonal steel tube is one of ordinary concrete, high-strength concrete and high-performance concrete.
4. The concrete-filled steel tubular column for shock absorption and impact resistance according to claim 1, wherein the polygonal concrete-filled steel tube formed is solid concrete-filled steel tube or hollow concrete-filled steel tube.
5. The concrete-filled steel tubular column with shock absorption and collision avoidance according to claim 1, wherein the damping material is rubber concrete, foam metal, rubber, lightweight aggregate concrete, ordinary concrete, fiber reinforced concrete or high molecular polymer.
6. The concrete-filled steel tubular column with shock absorption and collision avoidance according to claim 1, wherein the polygonal steel tube and the arc corrugated steel sheet are connected by welding or end plate bolting.
7. The concrete-filled steel tubular column with shock absorption and collision avoidance according to claim 1, wherein the steel material of the polygonal steel tube and the arc corrugated steel sheet is carbon structural steel or low alloy steel, and the quality grade is not lower than B grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300246.1U CN212453342U (en) | 2020-03-12 | 2020-03-12 | Shock attenuation anticollision steel core concrete column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300246.1U CN212453342U (en) | 2020-03-12 | 2020-03-12 | Shock attenuation anticollision steel core concrete column |
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| CN212453342U true CN212453342U (en) | 2021-02-02 |
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| CN202020300246.1U Active CN212453342U (en) | 2020-03-12 | 2020-03-12 | Shock attenuation anticollision steel core concrete column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206720A (en) * | 2020-03-12 | 2020-05-29 | 中国矿业大学 | Shock attenuation anticollision steel core concrete column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206720A (en) * | 2020-03-12 | 2020-05-29 | 中国矿业大学 | Shock attenuation anticollision steel core concrete column |
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