CN220336155U - Connection structure of soft steel damper releasing vertical deformation and vertical component - Google Patents
Connection structure of soft steel damper releasing vertical deformation and vertical component Download PDFInfo
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- CN220336155U CN220336155U CN202322178418.9U CN202322178418U CN220336155U CN 220336155 U CN220336155 U CN 220336155U CN 202322178418 U CN202322178418 U CN 202322178418U CN 220336155 U CN220336155 U CN 220336155U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 27
- 238000005265 energy consumption Methods 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 11
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 8
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 6
- 230000002708 enhancing effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000003351 stiffener Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012360 testing method 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
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Abstract
The utility model discloses a connection structure of a soft steel damper releasing vertical deformation and a vertical member, which comprises an upper vertical member, a lower vertical member, a positioning die and a plurality of soft steel dampers; the positioning die is connected between the upper vertical member and the lower vertical member; after the positioning die is removed, a mounting hole for placing the soft steel damper is formed between the upper vertical member and the lower vertical member; a reserved gap alpha is arranged between the upper vertical component and the soft steel damper, and the height of the positioning die is the sum of the height of the soft steel damper and the reserved gap alpha. According to the utility model, the problem of unfavorable earthquake resistance of the external vertical member extrusion damper is solved by releasing the vertical deformation, so that the installation of the mild steel damper is more convenient, and meanwhile, the good energy consumption performance and the service life of the mild steel damper can be ensured, thereby, the earthquake response of a main structure of a building can be well reduced, and the earthquake resistance of the building structure is enhanced.
Description
Technical Field
The utility model relates to the technical field of building structure shock absorption, in particular to a connecting structure of a soft steel damper releasing vertical deformation and a vertical member.
Background
The energy dissipation and shock absorption technology dissipates or absorbs the seismic energy through the elastoplastic hysteresis deformation or the viscous hysteresis deformation of the damper so as to reduce the seismic response of the main building structure and enhance the anti-seismic performance of the building structure. The steel plate damper utilizes shearing elastoplastic deformation generated in a steel plate plane to achieve the purpose of energy dissipation and shock absorption, and has the advantages of easily available materials, high elastic rigidity, high bearing capacity, good ductility, strong energy consumption capability and the like, so that the steel plate damper is widely studied and applied at present. The shear strain is a main index for describing the ductility of the steel plate damper, and is generally related to the strength of steel materials and the damper structure, and the lower the steel strength is, the better the ductility is, so that the soft steel damper is usually manufactured by adopting soft steel materials, and the ductility of the steel plate damper is effectively improved. Different damper structures can also have great influence on the energy consumption and the ductility of the damper, but the shearing strain of the existing steel plate damper is mostly not more than 12%, and the ductility and the energy consumption also have great lifting space. The steel plate damper is generally installed in the middle of a column or a wall to obtain good energy consumption efficiency, but after the building construction is completed, the deflection deformation of a vertical member (column or wall) compresses the installation space of the damper, so that the damper cannot be embedded and installed, and inconvenience is brought to the manufacturing and construction of the device. In addition, the stressed compression deformation of the vertical members during the use stage of the building further weakens the energy consumption performance and the service life of the damper.
Disclosure of Invention
The utility model aims to provide a connecting structure of a soft steel damper and a vertical member, which can solve the problem of unfavorable earthquake resistance of an external vertical member extrusion damper by releasing vertical deformation, ensure good energy consumption performance and service life of the soft steel damper while facilitating installation of the soft steel damper, thereby well reducing earthquake reaction of a main structure of a building and enhancing earthquake resistance of the structure of the building.
In order to achieve the above object, the present utility model provides a connection structure of a soft steel damper releasing vertical deformation and a vertical member, which includes an upper vertical member, a lower vertical member, a positioning mold, and a plurality of soft steel dampers; the positioning die is connected between the upper vertical member and the lower vertical member; after the positioning die is removed, a mounting hole for placing the mild steel damper is formed between the upper vertical member and the lower vertical member; a reserved gap alpha is arranged between the upper vertical component and the soft steel damper, and the height of the positioning die is the sum of the height of the soft steel damper and the reserved gap alpha.
As a preferable scheme of the utility model, the mild steel damper comprises an upper connecting plate, a lower connecting plate and an I-shaped structure fixedly connected between the upper connecting plate and the lower connecting plate, wherein the I-shaped structure comprises an energy consumption web plate and flange plates connected to the left side and the right side of the energy consumption web plate, and the energy consumption web plate is provided with a first stiffening rib; the upper connecting plate is fixedly connected with the upper vertical component, and the lower connecting plate is fixedly connected with the lower vertical component.
As a preferable scheme of the utility model, the positioning die comprises an upper positioning plate, a lower positioning plate, a plurality of upper supporting cylinders and a plurality of lower supporting cylinders, wherein the upper supporting cylinders are in one-to-one correspondence with the lower supporting cylinders; the upper supporting cylinder is vertically connected to the lower side surface of the upper positioning plate, the lower supporting cylinder is vertically connected to the upper side surface of the lower positioning plate, and the upper supporting cylinder is detachably connected with the lower supporting cylinder; the upper locating plate is detachably connected with the upper vertical component, and the lower locating plate is detachably connected with the lower vertical component.
As a preferable scheme of the utility model, a first bayonet is arranged at the lower end of the upper supporting cylinder, a second bayonet is arranged at the upper end of the lower supporting cylinder, the upper supporting cylinder is sleeved in the lower supporting cylinder, the first bayonet and the second bayonet are overlapped to form an inserting port, and a T-shaped bolt is inserted in the inserting port.
As a preferable scheme of the utility model, the energy-consumption web plate is made of soft steel with yield strength lower than 235 MPa; the upper connecting plate, the lower connecting plate, the flange plates and the first stiffening ribs are all made of steel with yield strength higher than or equal to 235 MPa.
As a preferable scheme of the utility model, the two sides of the upper supporting cylinder are provided with the second stiffening ribs, and the two sides of the lower supporting cylinder are provided with the third stiffening ribs.
As a preferable scheme of the utility model, the upper locating plate and the lower locating plate are rectangular steel plates or groove-shaped steel.
As a preferable scheme of the utility model, a plurality of first through holes which are uniformly arranged are formed in the upper positioning plate, a plurality of second through holes are formed in the lower side face of the upper vertical member, the first through holes and the second through holes are in one-to-one correspondence, and bolts sequentially penetrate through the first through holes and the second through holes and are in threaded connection with nuts.
As a preferable mode of the utility model, the lower locating plate and the lower vertical member are welded intermittently through fillet weld.
Compared with the prior art, the connecting structure for the soft steel damper and the vertical member for releasing the vertical deformation has the beneficial effects that:
in the construction process of the external vertical member, a positioning die is firstly installed in an installation hole between the upper vertical member and the lower vertical member to carry out precision check, and the positioning die is temporarily connected with the external vertical member to form a whole; when the external vertical member is constructed, the positioning die is disassembled, and the soft steel damper is placed in the mounting hole, and the shear strain of the soft steel damper reaches more than 20%, so that the positioning die has the advantages of large ductility and good energy consumption effect, and can well dissipate or absorb seismic energy, thereby reducing the seismic response of a main structure of a building and enhancing the seismic performance of the building structure. In addition, because the height of the positioning die is the sum of the height of the soft steel damper and the height of the reserved gap alpha, after the external vertical member is constructed and the positioning die is dismantled, the reserved gap alpha can be used as a reserved installation space of the soft steel damper, and the installation space of the soft steel damper is prevented from being compressed due to deflection deformation of the external vertical member, so that the soft steel damper cannot be embedded and installed, inconvenience is brought to construction, and meanwhile the energy consumption performance and the service life of the soft steel damper are also influenced.
Therefore, the utility model solves the anti-seismic adverse problem of the external vertical member extrusion damper by releasing the vertical deformation, ensures the good energy consumption performance and the service life of the mild steel damper while facilitating the installation of the mild steel damper, thereby well reducing the earthquake reaction of the main structure of the building and enhancing the anti-seismic performance of the structure of the building.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
FIG. 1 is an assembly view of a mild steel damper installed in a mounting hole;
FIG. 2 is one of the schematic structural views of a mild steel damper;
FIG. 3 is a cross-sectional view taken in the direction A-A of the structure shown in FIG. 2;
FIG. 4 is a second schematic structural view of a mild steel damper;
FIG. 5 is a cross-sectional view taken in the direction B-B of the structure shown in FIG. 4;
FIG. 6 is a third schematic structural view of a mild steel damper;
FIG. 7 is a cross-sectional view in the direction C-C of the structure shown in FIG. 6;
FIG. 8 is a schematic view of the positioning die;
FIG. 9 is a front view of the upper and lower support barrels in assembly;
FIG. 10 is a side view of the upper and lower support barrels in assembly;
FIG. 11 is a schematic view of the structure of the upper support cylinder;
FIG. 12 is a schematic view of the structure of the lower support cylinder;
FIG. 13 is a schematic view of the structure of the upper positioning plate;
FIG. 14 is a schematic view of the structure of the lower locating plate;
FIG. 15 is a graph of the test hysteresis of the horizontal load versus horizontal displacement of a mild steel damper.
The marks in the figure:
1. an upper vertical member, 2, a lower vertical member, 3, a mild steel damper; 31. an upper connecting plate; 32. a lower connecting plate; 33. energy-consuming webs; 34. flange plates; 35; a first stiffener; 4. a mounting hole; 5. positioning a mold; 51. an upper positioning plate; 52. a lower positioning plate; 53. an upper support cylinder; 531. a first bayonet; 54. a lower support cylinder; 541. a second bayonet; 55. an interface; 56. a T-shaped bolt; 57. a second stiffener; 58. a third stiffener; 59. a first through hole; 6. a bolt; 7. and (3) a nut.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.
Referring to fig. 1 to 15, a preferred embodiment of the present utility model provides a connection structure of a soft steel damper releasing vertical deformation with a vertical member, which includes an upper vertical member 1, a lower vertical member 2, a positioning mold 5, and a plurality of soft steel dampers 3; the positioning die 5 is connected between the upper vertical member 1 and the lower vertical member 2; after the positioning die 5 is removed, a mounting hole 4 into which the mild steel damper 3 can be placed is formed between the upper vertical member 1 and the lower vertical member 2; a reserved gap alpha is arranged between the upper vertical member 1 and the soft steel damper 3, and the height of the positioning die 5 is the sum of the height of the soft steel damper 3 and the reserved gap alpha.
When the outer vertical members (i.e., the upper vertical member 1 and the lower vertical member 2) are steel members, the mild steel damper 3 is directly connected to the ends of the steel members; when the external vertical member is a concrete member, the mild steel damper 3 is connected with an embedded steel member embedded in the concrete member.
According to the connecting structure for releasing the vertical deformation of the mild steel damper and the vertical members, in the construction process of the external vertical members, firstly, a positioning die 5 is installed in an installation hole 4 between an upper vertical member 1 and a lower vertical member 2 for precision checking, and the positioning die 5 is temporarily connected with the external vertical members to form a whole; when the external vertical member is constructed, the positioning die 5 is disassembled, and the soft steel damper 3 is placed in the mounting hole 4, and the shear strain of the soft steel damper 3 reaches more than 20%, so that the structure has the advantages of large ductility and good energy consumption effect, and can well dissipate or absorb the seismic energy, thereby reducing the seismic reaction of the main structure of the building and enhancing the seismic performance of the building structure. In addition, because the height of the positioning die 5 is the sum of the height of the soft steel damper 3 and the height of the reserved gap alpha, after the external vertical member is constructed and the positioning die 5 is removed, the reserved gap alpha can be used as a reserved installation space of the soft steel damper 3, and the installation space of the soft steel damper 3 is prevented from being compressed due to deflection deformation of the external vertical member, so that the soft steel damper 3 cannot be embedded and installed, inconvenience is brought to construction, and meanwhile, the energy consumption performance and the service life of the soft steel damper 3 are also influenced.
Therefore, the utility model solves the anti-seismic adverse problem of the external vertical member extrusion damper by releasing the vertical deformation, ensures the good energy consumption performance and the service life of the mild steel damper 3 while facilitating the installation of the mild steel damper 3, thereby well reducing the earthquake reaction of the main structure of the building and enhancing the anti-seismic performance of the building structure.
Illustratively, in the present embodiment, the specific structure of the soft steel damper 3 and the connection relationship between the respective parts are specifically: the mild steel damper 3 comprises an upper connecting plate 31, a lower connecting plate 32 and an I-shaped structure fixedly connected between the upper connecting plate 31 and the lower connecting plate 32, wherein the I-shaped structure comprises an energy consumption web 33 and flange plates 34 connected to the left side and the right side of the energy consumption web 33, and the energy consumption web 33 is provided with a first stiffening rib 35; the upper connecting plate 31 is fixedly connected with the upper vertical member 1, and the lower connecting plate 32 is fixedly connected with the lower vertical member 2. Wherein, the upper connecting plate 31 and the upper vertical component 1 can be fixed by a bolt connection mode; the lower connecting plate 32 is in close contact with the lower vertical member 2 and can be fixed by bolting or welding.
In the present embodiment, as shown in fig. 2 and 3, the number of the first stiffeners 35 is small, and therefore, the present embodiment has the advantage of simple structure and easy manufacture, and can be suitably applied to a construction site. Since the energy dissipation web 33 is an energy dissipation element of the mild steel damper 3, in order to ensure the ductility and energy dissipation performance of the mild steel damper 3, the material of the energy dissipation web 33 is preferably mild steel with the yield strength lower than 235 MPa; the materials of the upper connection plate 31, the lower connection plate 32, the flange plate 34, and the first stiffener 35 are preferably steel having a yield strength of 235MPa or higher. As shown in fig. 15, when the height of the soft steel damper 3 is preferably 400mm, the horizontal deformation amplitude may be 80mm, that is, the shear strain of the soft steel damper 3 is 20% (the shear strain is the ratio of the horizontal deformation amplitude to the height). It can be seen that the mild steel damper 3 in this embodiment has the advantages of large ductility and good energy consumption effect.
Of course, in other embodiments, the structure of the soft steel damper 3 may be the structure shown in fig. 4 to 7. As shown in fig. 4 and 5, an i-shaped structure arranged at intervals can be arranged between the upper connecting plate 31 and the lower connecting plate 32; as shown in fig. 6 and 7, when the width of the energy dissipating web 33 is relatively large, a longitudinal first stiffening rib 35 may be added to the middle of the energy dissipating web 33.
Illustratively, in the present embodiment, the specific structure of the positioning die 5 and the connection relationship between the parts are specifically: the positioned die 5 comprises an upper positioning plate 51, a lower positioning plate 52, a plurality of upper supporting cylinders 53 and a plurality of lower supporting cylinders 54, wherein the upper supporting cylinders 53 are in one-to-one correspondence with the lower supporting cylinders 54; the upper supporting cylinder 53 is vertically connected to the lower side surface of the upper positioning plate 51, the lower supporting cylinder 54 is vertically connected to the upper side surface of the lower positioning plate 52, and the upper supporting cylinder 53 is detachably connected with the lower supporting cylinder 54; the upper positioning plate 51 is detachably connected with the upper vertical member 1, and the lower positioning plate 52 is detachably connected with the lower vertical member 2. Wherein, the upper positioning plate 51 and the lower positioning plate 52 are preferably rectangular steel plates or channel steel.
The upper positioning plate 51 is provided with a plurality of first through holes 59 which are uniformly arranged, the lower side surface of the upper vertical member 1 is provided with a plurality of second through holes, the first through holes 59 are in one-to-one correspondence with the second through holes, and the bolts 6 sequentially pass through the first through holes 59 and the second through holes and are in threaded connection with the nuts 7; the lower locating plate 52 is welded with the lower vertical member 2 intermittently by fillet weld. By means of the design, when the positioning die 5 is temporarily fixed between the upper vertical member 1 and the lower vertical member 2, the connection strength between the upper positioning plate 51 and the upper vertical member 1 and the connection strength between the lower positioning plate 52 and the lower vertical member 2 can be increased, so that stability of the upper vertical member 1 and the lower vertical member 2 in a construction process is guaranteed, and collapse caused by instability is avoided; meanwhile, the deviation of the positioning die 5 can be avoided, so that the soft steel damper 3 can be smoothly installed after the positioning die 5 is removed.
Illustratively, a first bayonet 531 is provided at the lower end of the upper support barrel 53, a second bayonet 541 is provided at the upper end of the lower support barrel 54, the upper support barrel 53 is sleeved in the lower support barrel 54, the first bayonet 531 and the second bayonet 541 overlap to form a plug-in port 55, and a t-shaped plug pin 56 is inserted in the plug-in port 55. The positioning die 5 is simple in structure, convenient to install and easy to manufacture, and can be well applied to a construction site. It should be noted that, the upper support cylinder 53 and the lower support cylinder 54 may be square pipes or circular pipes, and the cross-sectional dimension of the upper support cylinder 53 is smaller than that of the lower support cylinder 54, so as to ensure that the upper support cylinder 53 can be sleeved in the lower support cylinder 54 to form an integral structure.
Illustratively, the upper support cylinder 53 is provided with second stiffening ribs 57 on both sides, and the lower support cylinder 54 is provided with third stiffening ribs 58 on both sides. The arrangement of the second stiffening rib 57 and the third stiffening rib 58 can improve the stability of the entire structure when the positioning die 5 is mounted in the mounting hole 4 between the upper vertical member 1 and the lower vertical member 2.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. The connecting structure of the soft steel damper releasing the vertical deformation and the vertical members is characterized by comprising an upper vertical member, a lower vertical member, a positioning die and a plurality of soft steel dampers; the positioning die is connected between the upper vertical member and the lower vertical member; after the positioning die is removed, a mounting hole for placing the mild steel damper is formed between the upper vertical member and the lower vertical member; a reserved gap alpha is arranged between the upper vertical component and the soft steel damper, and the height of the positioning die is the sum of the height of the soft steel damper and the reserved gap alpha.
2. The connection structure of a mild steel damper releasing vertical deformation and a vertical member according to claim 1, wherein the mild steel damper comprises an upper connection plate, a lower connection plate and an i-shaped structure fixedly connected between the upper connection plate and the lower connection plate, the i-shaped structure comprises an energy consumption web and flange plates connected on the left side and the right side of the energy consumption web, and a first stiffening rib is arranged on the energy consumption web; the upper connecting plate is fixedly connected with the upper vertical component, and the lower connecting plate is fixedly connected with the lower vertical component.
3. The connection structure of a mild steel damper releasing vertical deformation and a vertical member according to claim 1, wherein the positioning die comprises an upper positioning plate, a lower positioning plate, a plurality of upper supporting cylinders and a plurality of lower supporting cylinders, the upper supporting cylinders and the lower supporting cylinders are in one-to-one correspondence; the upper supporting cylinder is vertically connected to the lower side surface of the upper positioning plate, the lower supporting cylinder is vertically connected to the upper side surface of the lower positioning plate, and the upper supporting cylinder is detachably connected with the lower supporting cylinder; the upper locating plate is detachably connected with the upper vertical component, and the lower locating plate is detachably connected with the lower vertical component.
4. The connection structure of a soft steel damper and a vertical member for releasing vertical deformation according to claim 3, wherein a first bayonet is provided at a lower end of the upper support cylinder, a second bayonet is provided at an upper end of the lower support cylinder, the upper support cylinder is sleeved in the lower support cylinder, the first bayonet and the second bayonet are overlapped to form an insertion port, and a T-shaped plug is inserted in the insertion port.
5. The connection structure of a soft steel damper and a vertical member for releasing vertical deformation according to claim 2, wherein the energy-dissipating web is made of soft steel with yield strength lower than 235 MPa; the upper connecting plate, the lower connecting plate, the flange plates and the first stiffening ribs are all made of steel with yield strength higher than or equal to 235 MPa.
6. The connection structure of a vertical member and a soft steel damper for releasing vertical deformation according to claim 3, wherein the upper support cylinder is provided with second stiffening ribs on both sides, and the lower support cylinder is provided with third stiffening ribs on both sides.
7. The connection structure of a soft steel damper for releasing vertical deformation and a vertical member according to claim 3, wherein the upper and lower positioning plates are rectangular steel plates or channel steel plates.
8. The connection structure of a soft steel damper for releasing vertical deformation and a vertical member according to claim 3, wherein a plurality of first through holes which are uniformly arranged are formed in the upper positioning plate, a plurality of second through holes are formed in the lower side surface of the upper vertical member, the first through holes and the second through holes are in one-to-one correspondence, and bolts sequentially pass through the first through holes and the second through holes and are in threaded connection with nuts.
9. The connection structure of a soft steel damper releasing vertical deformation with a vertical member according to claim 3, wherein the lower positioning plate and the lower vertical member are intermittently welded by fillet welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178418.9U CN220336155U (en) | 2023-08-14 | 2023-08-14 | Connection structure of soft steel damper releasing vertical deformation and vertical component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178418.9U CN220336155U (en) | 2023-08-14 | 2023-08-14 | Connection structure of soft steel damper releasing vertical deformation and vertical component |
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| CN220336155U true CN220336155U (en) | 2024-01-12 |
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| CN202322178418.9U Active CN220336155U (en) | 2023-08-14 | 2023-08-14 | Connection structure of soft steel damper releasing vertical deformation and vertical component |
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| Country | Link |
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| CN (1) | CN220336155U (en) |
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