CN219951662U - Self-resetting bridge pier column connection structure with replaceable energy consumption device - Google Patents
Self-resetting bridge pier column connection structure with replaceable energy consumption device Download PDFInfo
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- CN219951662U CN219951662U CN202320668093.XU CN202320668093U CN219951662U CN 219951662 U CN219951662 U CN 219951662U CN 202320668093 U CN202320668093 U CN 202320668093U CN 219951662 U CN219951662 U CN 219951662U
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 80
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 72
- 239000010959 steel Substances 0.000 claims description 72
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 39
- 238000013016 damping Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model discloses a self-resetting bridge pier column connecting structure with a replaceable energy consumption device, which comprises a bearing platform; the column piece is arranged at the top end of the bearing platform, and the bottom end of the column piece is provided with a protruding end; the L-shaped energy consumption connecting pieces are detachably connected to the four side walls of the column piece respectively and are used for connecting and fixing the side walls of the column piece and the top end of the bearing platform; the four pulling and pressing combined energy consumption boxes are arranged between the L-shaped energy consumption connecting piece and the protruding end in a surrounding mode, the top ends of the pulling and pressing combined energy consumption boxes are contacted with the bottoms of the column pieces, the bottom ends of the pulling and pressing combined energy consumption boxes are contacted with the top ends of the bearing platforms, one ends of the pulling and pressing combined energy consumption boxes are contacted with the inner wall of the L-shaped energy consumption connecting piece, and the other ends of the pulling and pressing combined energy consumption boxes are contacted with the side wall of another adjacent pulling and pressing combined energy consumption box. The utility model can realize the obvious advantages of replaceable energy consumption device after earthquake, small residual deformation and recoverable structure under the condition of not changing the original design size and stress.
Description
Technical Field
The utility model belongs to the technical field of bridge earthquake-resistant engineering, and particularly relates to a self-resetting bridge pier column connection structure with a replaceable energy consumption device.
Background
At present, bridge seismic design is studied at home and abroad mainly by adopting a ductile seismic design concept, a pier is allowed to enter a plastic state, and energy generated by earthquake is dissipated through concrete cracking and steel bar yielding in a plastic hinge area. According to the design concept of ductile earthquake resistance, although the bridge cannot collapse after earthquake action, the plastic hinge area is seriously damaged, the residual deformation is large, and serious damage is generated after strong earthquake, so that the time and labor cost for repairing are huge, the bridge has the characteristic of difficult repairing after earthquake, the normal use function is influenced, larger economic loss is caused, and the traffic recovery after earthquake is hindered.
In order to improve the use function of the bridge structure after earthquake and restore the traffic life line, the bridge earthquake-resistant design concept and method are developed rapidly, and a series of structures with self-resetting capability after the earthquake are proposed by a plurality of students at home and abroad. However, there are some problems that the energy consumption device has limited capacity of consuming the earthquake, and the concrete at the bottom of many bridge piers with self-resetting structures is seriously damaged, so that the repair and reinforcement after the earthquake are difficult. It is needed to provide a self-resetting bridge pier column connection structure which has high compressive strength and strong energy consumption capability, and can repair and replace energy consumption devices in time after strong earthquake.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a self-resetting bridge pier column connection structure of a replaceable energy consumption device, which can realize the remarkable advantages of the replaceable energy consumption device after earthquake, small residual deformation and recoverable structure under the condition of not changing the original design size and stress.
In order to achieve the above object, the present utility model provides a self-resetting bridge pier connection structure of a replaceable energy consumption device, comprising,
bearing platform;
the column piece is arranged at the top end of the bearing platform, and the bottom end of the column piece is provided with a protruding end;
the L-shaped energy consumption connecting pieces are detachably connected to the four side walls of the column respectively and are used for fixedly connecting the side walls of the column with the top end of the bearing platform;
the four pulling and pressing combined energy consumption boxes are arranged between the L-shaped energy consumption connecting piece and the protruding end in a surrounding mode, the top ends of the pulling and pressing combined energy consumption boxes are contacted with the bottom of the column piece, the bottom ends of the pulling and pressing combined energy consumption boxes are contacted with the top ends of the bearing platforms, one ends of the pulling and pressing combined energy consumption boxes are contacted with the inner wall of the L-shaped energy consumption connecting piece, and the other ends of the pulling and pressing combined energy consumption boxes are contacted with the side wall of another adjacent pulling and pressing combined energy consumption box.
Furthermore, the L-shaped energy consumption connecting piece is an L-shaped energy consumption plate, the side wall of the column part is fixedly provided with a pre-buried bolt in a penetrating way, and a vertical plate of the L-shaped energy consumption plate is fixedly connected with the side wall of the column part through the pre-buried bolt;
the shear anchor bolts are fixedly connected to the top end of the bearing platform in a pre-buried mode, and the horizontal plates of the L-shaped energy consumption plates are fixedly connected with the top end of the bearing platform through the shear anchor bolts.
Further, a plurality of stiffening ribs are arranged on one side, far away from the column piece, of the L-shaped energy dissipation plate, the bottom ends of the stiffening ribs are fixedly connected with the top ends of horizontal plates of the L-shaped energy dissipation plate, and the side walls of the stiffening ribs are fixedly connected with the side walls of vertical plates of the L-shaped energy dissipation plate.
Further, draw and press combination power consumption case and bag including two low yield point mild steel that set up relatively, two the lateral wall that low yield point mild steel kept away from each other with L type power consumption connecting piece with protruding end contact respectively, two low yield point mild steel top and bottom are connected with a horizontal steel sheet respectively, two low yield point mild steel and two in the cavity that horizontal steel sheet cooperation formed has set gradually a plurality of high damping rubber layers and a plurality of steel sheet bed course from top to bottom, high damping rubber layer with steel sheet bed course interval sets up.
Further, the column part is a steel tube concrete column, the protruding end fixedly connected with the bottom end of the steel tube concrete column is a protrusion, the protrusion is positioned in a space formed by surrounding the split of the four pulling and pressing combined energy consumption boxes, and the top end of the pulling and pressing combined energy consumption boxes is contacted with the bottom end of the steel tube concrete column.
Further, the end part of the steel tube concrete column for connecting and fixing the protrusion is a steel end, and the steel end is fixedly connected with the vertical plate of the L-shaped energy dissipation plate through the embedded bolt.
Furthermore, a fixed steel plate is fixedly embedded in the bearing platform, and the shearing anchor bolts are fixedly arranged on the fixed steel plate in a penetrating mode.
Compared with the prior art, the utility model has the following advantages and technical effects:
1. the connecting structure provided by the technical scheme not only can ensure the normal use of the bridge structure, but also has good anti-seismic performance. When an earthquake occurs, the bridge structure deflects along the transverse direction of the bridge, the L-shaped energy-consuming connecting piece consumes energy transferred into the bridge structure system by the earthquake, so that the bridge structure is always in an elastic state, after the yield point of the L-shaped energy-consuming connecting piece is reached, the L-shaped energy-consuming connecting piece deforms, the bridge structure is extruded to deform in the tilting process, and further the energy transferred into the bridge structure system by the earthquake is consumed again, the effect of energy consumption in a grading manner can be achieved, and the energy consumption capacity of the bridge structure is improved.
2. The L-shaped energy consumption connecting piece and the pulling and pressing combined energy consumption box in the technical scheme are replaceable, so that the lower structure of the bridge does not need to be removed and rebuilt, and the post-earthquake repair cost and time are greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic structural view of a connection structure;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic structural view of a column;
FIG. 4 is a front view of an L-shaped energy consuming plate;
FIG. 5 is a side view of an L-shaped energy consuming plate;
FIG. 6 is a schematic diagram of a combined draw-compression energy dissipating box;
the steel plate cushion comprises a 1-bearing platform, a 2-shearing-resistant anchor bolt, a 3-fixed steel plate, a 4-steel tube concrete column, a 5-L-shaped energy dissipation plate, a 6-pulling and pressing combined energy dissipation box, 7-embedded bolts, 8-first bolt holes, 9-steel ends, 10-second bolt holes, 11-stiffening ribs, 12-third bolt holes, 13-low yield point soft steel, 14-transverse steel plates, 15-high damping rubber layers and 16-steel plate cushion layers.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 6, the present utility model provides a self-resetting bridge pier connection structure of a replaceable energy consumption device, comprising, a bearing platform 1; the column piece is arranged at the top end of the bearing platform 1, and the bottom end of the column piece is provided with a protruding end; the L-shaped energy consumption connecting pieces are detachably connected to the four side walls of the column respectively and are used for connecting and fixing the side walls of the column and the top end of the bearing platform 1; the four pulling and pressing combined energy consumption boxes 6 are arranged between the L-shaped energy consumption connecting piece and the protruding end in a surrounding mode, the top ends of the pulling and pressing combined energy consumption boxes 6 are contacted with the bottoms of the column pieces, the bottom ends of the pulling and pressing combined energy consumption boxes 6 are contacted with the top ends of the bearing platforms 1, one ends of the pulling and pressing combined energy consumption boxes 6 are contacted with the inner wall of the L-shaped energy consumption connecting piece, and the other ends of the pulling and pressing combined energy consumption boxes 6 are contacted with the side wall of another adjacent pulling and pressing combined energy consumption box 6.
It can be appreciated that the bearing platform 1 is used for supporting the column, meanwhile, the bearing platform 1 and the column are connected and fixed through the L-shaped energy dissipation connecting pieces respectively arranged on the four side walls of the column, meanwhile, the L-shaped energy dissipation connecting pieces play an energy dissipation role, the end face diameter of the protruding end is smaller relative to the end face of the column, the pulling and pressing combined energy dissipation box 6 is arranged between the side wall of the protruding end and the inner wall of the L-shaped energy dissipation connecting piece, and meanwhile, the side wall of the pulling and pressing combined energy dissipation box 6 is in contact fit with the side wall of the protruding end and the inner wall of the L-shaped energy dissipation connecting piece.
Referring to fig. 2, four combined drawing and pressing energy dissipation boxes 6 are alternately placed at the junction of the top end of the bearing platform 1 and the bottom surface of the column, and the four combined drawing and pressing energy dissipation boxes 6 are matched to form a rectangular ring for wrapping the protruding end.
According to the further optimization scheme, the L-shaped energy consumption connecting piece is an L-shaped energy consumption plate 5, the embedded bolts 7 are fixedly arranged on the side walls of the column in a penetrating mode, and the vertical plates of the L-shaped energy consumption plate 5 are fixedly connected with the side walls of the column through the embedded bolts 7.
Specifically, in four lateral walls of the column, second bolt holes 10 aligned are formed in the lateral walls of two opposite sets, the embedded bolts 7 penetrate through the second bolt holes 10, nuts of the embedded bolts 7 are inwards fixed to the bottom of the column through welding, a plurality of bolt holes corresponding to the second bolt holes 10 and matched in number are formed in the vertical plates of the L-shaped energy dissipation plates 5, the embedded bolts 7 extend into the bolt holes in the vertical plates of the L-shaped energy dissipation plates 5, and accordingly the vertical plates of the L-shaped energy dissipation plates 5 are fixedly connected with the lateral walls of the column.
Wherein the second bolt holes 10 are preferably, but not limited to, arranged in two upper and lower rows.
The top end of the bearing platform 1 is fixedly connected with a shearing-resistant anchor bolt 2 in a pre-buried mode, and a horizontal plate of the L-shaped energy consumption plate 5 is fixedly connected with the top end of the bearing platform 1 through the shearing-resistant anchor bolt 2.
Specifically, a plurality of third bolt holes 12 matched with the shearing resistant anchor bolts 2 are formed in the horizontal plate of the L-shaped energy consumption plate 5 and are used for allowing the shearing resistant anchor bolts 2 to pass through and be connected and fixed with the horizontal plate of the L-shaped energy consumption plate 5.
According to the structure, the L-shaped energy dissipation plate 5 can be detached and replaced.
Among them, the L-shaped energy dissipation plate 5 is preferably made of steel plate or other materials with similar performance to the steel plate.
Referring to fig. 4 and 5, in one embodiment of the present utility model, the L-shaped energy dissipation plate 5 has a horizontal plate and a plurality of first vertical plates fixed on the top end of the horizontal plate, the adjacent first vertical plates are connected and fixed by connecting ribs, the top ends of the plurality of first vertical plates are fixedly connected with the same second vertical plate, and the second vertical plate is provided with a bolt hole for passing through the embedded bolt 7.
In another embodiment of the present utility model, the L-shaped energy dissipation plate 5 comprises a horizontal plate and a vertical plate fixed at the top end of the horizontal plate, and the vertical plate is provided with a bolt hole (not shown in the figure) through which the embedded bolt 7 passes.
Or, the L-shaped energy dissipation plate 5 in other forms is adopted to ensure the connection strength and the connection effect.
Further optimizing scheme, referring to fig. 4 and 5,L, a plurality of stiffening ribs 11 are arranged on one side of the energy dissipation plate 5 away from the column, the bottom ends of the stiffening ribs 11 are fixedly connected with the top ends of the horizontal plates of the L-shaped energy dissipation plate 5, and the side walls of the stiffening ribs 11 are fixedly connected with the side walls of the vertical plates of the L-shaped energy dissipation plate 5. The stiffening ribs 11 are used for improving the connection strength of the horizontal plate and the vertical plate of the L-shaped energy dissipation plate 5, and meanwhile, the stiffening ribs 11 are arranged at equal intervals.
Further optimizing scheme, referring to fig. 6, the pulling and pressing combined energy dissipation box 6 comprises two oppositely arranged low yield point soft steels 13, the side walls of the two low yield point soft steels 13, which are far away from each other, are respectively in contact with the L-shaped energy dissipation connecting piece and the protruding end, the top end and the bottom end of the two low yield point soft steels 13 are respectively connected with a transverse steel plate 14, a plurality of high damping rubber layers 15 and a plurality of steel plate cushion layers 16 are sequentially arranged in a cavity formed by the cooperation of the two low yield point soft steels 13 and the two transverse steel plates 14 from top to bottom, and the high damping rubber layers 15 and the steel plate cushion layers 16 are arranged at intervals.
It will be appreciated that the high damping rubber layer 15 and the steel plate cushion layer 16 are located in and fill the cavity, ensuring its use.
Further optimizing scheme, referring to fig. 3, the column part is a steel tube concrete column 4, the protruding end fixedly connected with the bottom end of the steel tube concrete column 4 is a bulge, the bulge is positioned in the space surrounded by four pulling and pressing combined energy dissipation boxes 6, and the top end of the pulling and pressing combined energy dissipation box 6 is contacted with the bottom end of the steel tube concrete column 4.
According to the further optimization scheme, the end part of the steel tube concrete column 4 for connecting and fixing the protrusion is a steel end 9, and the steel end 9 is fixedly connected with a vertical plate of the L-shaped energy dissipation plate 5 through a pre-buried bolt 7.
It can be appreciated that the steel end 9 is used for penetrating and fixing the embedded bolt 7, and meanwhile, the bulge is also of a steel structure.
According to the further optimization scheme, a fixed steel plate 3 is fixedly embedded in the bearing platform 1, and a shearing-resistant anchor bolt 2 is fixedly arranged on the fixed steel plate 3 in a penetrating mode. The fixed steel plate 3 is arranged in the bearing platform 1 and is used for connecting and fixing the shear anchor bolts 2.
Specifically, a plurality of first bolt holes 8 in the vertical direction are formed in the top end of the fixed steel plate 3, and the first bolt holes in the upper, lower, left and right directions are aligned in parallel; the shear anchor bolt 2 passes through a first bolt hole 8 in the fixed steel plate 3 and is fixed by welding.
Specifically, a construction method of a self-resetting bridge pier column connection structure of a replaceable energy consumption device is provided, which is used for reinforcing the self-resetting bridge pier column connection structure of the replaceable energy consumption device, and the specific construction steps are as follows:
a. self-resetting bridge pier connection structure: according to design requirements, preliminarily determining the geometric dimensions of the bearing platform 1, the concrete filled steel tubular column 4 and the L-shaped energy dissipation plate 5;
b. manufacturing of a pulling and pressing combined energy consumption box 6: according to design requirements, primarily determining the geometric dimensions of the drawing-pressing combined energy consumption box 6, the physical parameters of the low yield point soft steel 13, the physical parameters of the high damping rubber layer 15 and the steel plate cushion layer 16, and carrying out the combination of the drawing-pressing combined energy consumption box 6;
c. the manufacturing of the bearing platform 1 and the steel tube concrete column 4 adopts a prefabrication mode for construction: the embedded components in the bearing platform 1 and the steel tube concrete column 4 are strictly fixed according to the positions;
d. and (3) integral assembly: the pull-press combined energy consumption boxes 6 are alternately arranged at the junction between the top surface of the bearing platform 1 and the bottom of the steel tube concrete column 4, and the steel tube concrete column 4, the pull-press combined energy consumption boxes 6 and the bearing platform 1 are integrally formed by using the L-shaped energy consumption plates 5.
In the step a, the geometric dimensions of the steel pipe concrete column 4 and the L-shaped energy dissipation plate 5 are determined, the steel member is processed, the steel end 9 of the steel pipe concrete column 4 and the L-shaped energy dissipation plate 5 are pre-combined, and the embedded bolts 7 on the steel end 9 are ensured to be overlapped with the bolt holes arranged on the L-shaped energy dissipation plate 5 one by one.
In the step b, the thicknesses of the high damping rubber layer 15 and the steel plate cushion layer 16 in the pulling and pressing combined energy consumption box 6 can be changed according to design requirements, so that different energy consumption strengths are achieved.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a removable power consumption device's bridge pier stud connection structure that resets certainly which characterized in that: comprising the steps of (a) a step of,
a bearing platform (1);
the column part is arranged at the top end of the bearing platform (1), and the bottom end of the column part is provided with a protruding end;
the L-shaped energy consumption connecting pieces are detachably connected to the four side walls of the column respectively and are used for fixedly connecting the side walls of the column and the top end of the bearing platform (1);
four draw and press combination power consumption case (6), around setting up L type power consumption connecting piece with between the protruding end, draw and press combination power consumption case (6) top with column bottom contact, draw and press combination power consumption case (6) bottom with cushion cap (1) top contact, draw one end of pressing combination power consumption case (6) with L type power consumption connecting piece inner wall contact, draw and press combination power consumption case (6) other end and another adjacent draw and press combination power consumption case (6) lateral wall contact.
2. The self-resetting bridge pier connection structure of a replaceable energy consumption device according to claim 1, wherein: the L-shaped energy consumption connecting piece is an L-shaped energy consumption plate (5), a pre-buried bolt (7) is fixedly arranged on the side wall of the column in a penetrating way, and a vertical plate of the L-shaped energy consumption plate (5) is fixedly connected with the side wall of the column through the pre-buried bolt (7);
the anti-shear anchor bolt (2) is fixedly connected to the top end of the bearing platform (1) in a pre-buried mode, and the horizontal plate of the L-shaped energy consumption plate (5) is fixedly connected with the top end of the bearing platform (1) through the anti-shear anchor bolt (2).
3. The self-resetting bridge pier connection structure of the replaceable energy consumption device of claim 2, wherein: the L-shaped energy dissipation plate (5) is provided with a plurality of stiffening ribs (11) on one side far away from the column part, the bottom ends of the stiffening ribs (11) are fixedly connected with the top ends of horizontal plates of the L-shaped energy dissipation plate (5), and the side walls of the stiffening ribs (11) are fixedly connected with the side walls of vertical plates of the L-shaped energy dissipation plate (5).
4. The self-resetting bridge pier connection structure of a replaceable energy consumption device according to claim 1, wherein: the tension-compression combined energy consumption box (6) comprises two oppositely arranged low-yield-point soft steels (13), the two side walls of the low-yield-point soft steels (13) which are far away from each other are respectively contacted with the L-shaped energy consumption connecting piece and the protruding end, the top end and the bottom end of the low-yield-point soft steels (13) are respectively connected with a transverse steel plate (14), a plurality of high-damping rubber layers (15) and a plurality of steel plate cushion layers (16) are sequentially arranged in a cavity formed by matching the transverse steel plates (14) from top to bottom, and the high-damping rubber layers (15) and the steel plate cushion layers (16) are arranged at intervals.
5. The self-resetting bridge pier connection structure of the replaceable energy consumption device of claim 2, wherein: the column part is a steel tube concrete column (4), the protruding end fixedly connected with the bottom end of the steel tube concrete column (4) is a protrusion, the protrusion is positioned in a space surrounded by the four pulling and pressing combined energy consumption boxes (6), and the top end of the pulling and pressing combined energy consumption boxes (6) is in contact with the bottom end of the steel tube concrete column (4).
6. The self-resetting bridge pier connection structure of the replaceable energy consumption device of claim 5, wherein: the steel pipe concrete column (4) is used for connecting and fixing the bellied tip to be steel end (9), steel end (9) pass through embedded bolt (7) with the riser rigid coupling of L type power consumption board (5).
7. The self-resetting bridge pier connection structure of the replaceable energy consumption device of claim 2, wherein: the shear anchor bolt is characterized in that a fixed steel plate (3) is fixedly embedded in the bearing platform (1), and the shear anchor bolt (2) is fixedly arranged on the fixed steel plate (3) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320668093.XU CN219951662U (en) | 2023-03-30 | 2023-03-30 | Self-resetting bridge pier column connection structure with replaceable energy consumption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320668093.XU CN219951662U (en) | 2023-03-30 | 2023-03-30 | Self-resetting bridge pier column connection structure with replaceable energy consumption device |
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| Publication Number | Publication Date |
|---|---|
| CN219951662U true CN219951662U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320668093.XU Active CN219951662U (en) | 2023-03-30 | 2023-03-30 | Self-resetting bridge pier column connection structure with replaceable energy consumption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219951662U (en) |
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2023
- 2023-03-30 CN CN202320668093.XU patent/CN219951662U/en active Active
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