CN110714545A - Self-resetting energy dissipation steel column base node - Google Patents
Self-resetting energy dissipation steel column base node Download PDFInfo
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- CN110714545A CN110714545A CN201910849249.2A CN201910849249A CN110714545A CN 110714545 A CN110714545 A CN 110714545A CN 201910849249 A CN201910849249 A CN 201910849249A CN 110714545 A CN110714545 A CN 110714545A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention provides a self-resetting energy dissipation steel column base node. The column base node comprises a steel column, a yielding energy dissipater, a self-resetting system and a concrete foundation beam. And a prestressed tendon connecting plate is welded on the steel column. The prestressed tendon connecting plate is provided with a through connecting hole I. And a steel plate is embedded at the top of the concrete foundation beam. A plurality of steel sleeves are embedded in the beam body of the concrete foundation beam. And the steel plate at the top of the foundation beam is provided with a through connecting hole II at the corresponding position of the steel sleeve. The prestressed tendons are respectively anchored at the top of the prestressed tendon connecting plate and the bottom of the concrete foundation beam. And a yielding energy dissipation body is respectively arranged on the peripheral walls of the four sides of the steel column. The column base node can effectively reduce or even eliminate the damage problem of the column base under the action of earthquake. Carry out from restoring to the throne through the prestressing force steel strand, the effectual residual deformation that has reduced the structure, from the restoring to the throne ability reinforce, simultaneously, the energy dissipation body also can be changed.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to a self-resetting energy dissipation steel column base node.
Background
The traditional structure dissipates energy through the plastic deformation of the member in the earthquake, which can cause unrecoverable residual deformation of the structure, the performance of the structure after the earthquake is seriously affected and cannot be used continuously, and finally the structure has to be dismantled, thereby causing great economic loss.
Disclosure of Invention
The invention aims to provide a self-resetting energy dissipation steel column base node to solve the problems in the prior art.
The technical scheme adopted for achieving the aim of the invention is that the self-resetting energy dissipation steel column base node comprises a steel column, a yielding energy dissipation body, a self-resetting system and a concrete foundation beam.
And a steel plate is embedded at the top of the concrete foundation beam. A plurality of steel sleeves are embedded in the beam body of the concrete foundation beam. And the top steel plate is provided with a through connecting hole II at the corresponding position of the steel sleeve.
The steel column is a rectangular steel pipe. The steel columns are arranged on the upper surface of the concrete foundation beam. And a yielding energy dissipation body is respectively arranged on the peripheral walls of the four sides of the steel column.
Each yielding energy dissipater comprises two upper connecting plates, two lower connecting plates, an anti-yielding energy dissipation rod and two bolts. Bolt holes are formed in the plate surfaces of the upper connecting plate and the lower connecting plate. The anti-yielding energy dissipation rod comprises an energy dissipation steel plate, an outer sleeve steel pipe and two end plates fixed at two axial ends of the energy dissipation steel plate. The energy dissipation steel plate comprises an energy dissipation section and a conversion section. And the middle part of the energy dissipation steel plate is subjected to thinning treatment to form an energy dissipation section. The end part of the energy consumption steel plate is a conversion section. The transition section is welded smoothly with the end plate. The outer sleeve steel pipe is sleeved on the periphery of the energy dissipation section. And filling materials are filled between the outer sleeve steel pipe and the energy dissipation section. The anti-yielding energy dissipation rod is arranged between the two upper connecting plates and between the two lower connecting plates. Bolt holes corresponding to the bolt holes of the upper connecting plate and the lower connecting plate are formed in the plate surface of the end plate. The buckling-restrained energy dissipation rod is fixedly connected with the upper connecting plate and the lower connecting plate through bolts respectively. And the upper connecting plate is welded with the outer wall of the steel column. And the lower connecting plate is welded with the upper surface of the steel plate at the top of the foundation.
The self-resetting system comprises a prestressed tendon connecting plate, a plurality of prestressed steel strands and an anchorage device. The prestressed tendon connecting plate is provided with holes on the plate surface. The prestressed tendon connecting plate is arranged above the yielding energy dissipater. And the steel column penetrates through the hole and is welded with the prestressed tendon connecting plate. Still be provided with a plurality of on the face of prestressing tendons connecting plate and to wearing connecting hole I. And the upper end of the prestressed steel strand penetrates out of the oppositely penetrating connecting hole I and is anchored at the top of the prestressed tendon connecting plate through an anchorage device. And the lower end of the prestressed steel strand sequentially penetrates through the through connecting hole II and the steel sleeve and is anchored at the bottom of the concrete foundation beam through an anchorage device.
Furthermore, stiffening ribs are welded between the steel columns and the prestressed tendon connecting plates.
Further, concrete is filled in the inner cavity of the steel column.
Further, a column base steel plate is further arranged at the bottom of the steel column.
Further, the filling material is fine aggregate concrete grouting material.
Furthermore, a plurality of shear keys are arranged on the steel plate at the top of the foundation. The shear key is welded on the foundation top steel plate
The technical effects of the invention are undoubted:
1. the damage problem of the column base under the action of an earthquake can be effectively reduced or even eliminated;
2. the energy dissipation material fully exerts the energy dissipation characteristic of the energy dissipation material, the energy dissipation steel plate absorbs and dissipates most of energy through repeated stretching and compression of the yielding energy dissipation steel plate, the earthquake damage of the structure is concentrated on the replaceable yielding energy dissipater, and the repair cost of the structure after earthquake is effectively controlled;
3. the self-resetting is carried out through the prestressed steel strands, the residual deformation of the structure is effectively reduced, the self-resetting capability is strong, and meanwhile, the self-resetting system can be replaced.
Drawings
FIG. 1 is a schematic structural diagram of a self-resetting energy dissipation steel column base node;
figure 2 is a schematic view of a yielding energy dissipater configuration;
figure 3 is a schematic view of a buckling restrained energy dissipating bar construction;
FIG. 4 is a schematic structural diagram of a prestressed tendon connecting plate;
fig. 5 is a schematic view of a basic top steel plate construction.
In the figure: the steel column comprises a steel column 1, a yielding energy dissipater 2, an upper connecting plate 201, a lower connecting plate 202, an anti-yielding energy dissipation rod 203, an energy dissipation steel plate 2031, an end plate 2032, an outer sleeve steel pipe 2033, a bolt hole 2034, a filling material 2035, a bolt 204, a resetting system 3, a prestressed tendon connecting plate 301, a hole 3011, a through connection hole I3012, a stiffening rib 302, a prestressed steel strand 303, an anchorage 304, a concrete foundation beam 4, a steel casing 401, a foundation top steel plate 402, a through connection hole II 4021 and a shear key 403.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
referring to fig. 1, the present embodiment discloses a self-resetting energy-dissipating steel column base node, which includes a steel column 1, a yielding energy dissipater 2, a self-resetting system 3 and a concrete foundation beam 4.
A steel plate 402 is buried in the top of the concrete foundation beam 4. 4 steel sleeves 401 are embedded in the beam body of the concrete foundation beam 4. Referring to fig. 5, the top steel plate 402 is provided with a pair of through connection holes 4021 for the pre-stressed steel strands 303 to pass through at a position corresponding to the steel sleeve 401. The foundation top steel plate 402 is also arranged with shear keys 403. The shear key 403 is welded to the foundation top steel plate 402.
The steel column 1 is a rectangular steel tube. Concrete is filled in the inner cavity of the steel column 1. And a column base steel plate is further arranged at the bottom of the steel column 1. The steel column 1 is vertically arranged on the upper surface of the concrete foundation beam 4. And a yielding energy dissipater 2 is respectively arranged on the peripheral walls of the four sides of the steel column 1.
Referring to figures 2 and 3, each yielding energy dissipator 2 comprises two upper connecting plates 201, two lower connecting plates 202, an anti-yielding energy dissipater 203 and two bolts 204. Bolt holes are formed in the plate surfaces of the upper connecting plate 201 and the lower connecting plate 202. The anti-yielding energy dissipation rod 203 comprises an energy dissipation steel plate 2031, an outer sleeved steel pipe 2033 and two end plates 2032 fixed at two axial ends of the energy dissipation steel plate 2031. The energy dissipating steel plate 2031 includes an energy dissipating section and a converting section. The middle part of the energy consumption steel plate 2031 is subjected to thinning treatment to form an energy dissipation section. The end of the energy consumption steel plate 2031 is a conversion section. The transition section is welded smoothly to the end plate 2032. The outer steel pipe 2033 is sleeved on the periphery of the energy dissipation section. And a filling material 2035 is filled between the outer sleeve steel pipe 2033 and the energy dissipation section. The filling material 2035 is a fine aggregate concrete grouting material. The end plate 2032 at the upper end of the anti-yielding energy dissipation rod 203 is clamped between two upper connecting plates 201, and the end plate 2032 at the lower end is clamped between two lower connecting plates 202. Bolt holes corresponding to the bolt holes of the upper connecting plate 201 and the lower connecting plate 202 are formed in the surface of the end plate 2032. The buckling-restrained energy-dissipation rods 203 are fixedly connected with the upper connecting plate 201 and the lower connecting plate 202 through bolts 204 respectively. The upper connecting plate 201 is welded with the outer wall of the steel column 1. The lower web 202 is welded to the upper surface of the base top steel plate 402.
The self-resetting system 3 comprises a prestressed tendon connecting plate 301, 4 prestressed steel strands 303 and an anchorage device 304. The prestressed tendon connecting plate 301 is provided with a hole 3011 on the plate surface. The tendon connection plate 301 is arranged above the yielding energy dissipater 2. The steel column 1 penetrates through the hole 3011 and is welded with the prestressed tendon connecting plate 301. Stiffening ribs 302 are further welded between the steel column 1 and the prestressed tendon connecting plate 301. Referring to fig. 4, the plate surface of the tendon connecting plate 301 is further provided with 4 through connecting holes i 3012. The upper end of the prestressed steel strand 303 penetrates through the oppositely penetrating connecting hole I3012 and then is anchored on the top of the prestressed tendon connecting plate 301 through an anchorage device 304. The lower ends of the prestressed steel strands 303 sequentially penetrate through the through connection holes 4021 and the steel sleeve 401 and are anchored at the bottom of the concrete foundation beam 4 through the anchorage device 304.
The steel column 1 and the concrete foundation beam 4 are fixed together through a prestressed steel strand 303 and a buckling-restrained energy dissipation rod 203 in a pulling mode. Under the action of an earthquake, the steel column 1 can rotate around the column edge, so that the yield energy dissipation plates around the steel column are repeatedly stretched and compressed, and earthquake energy can be effectively dissipated. During the rotation of the steel column 1, the prestressed steel strand 303 stores elastic deformation energy. During unloading, the prestress steel strands 303 release the stored elastic deformation energy, so that the steel column 1 is reset. The embodiment enables maintenance work after an earthquake to be more convenient and economical.
Example 2:
the embodiment provides a self-resetting energy dissipation steel column base node which comprises a steel column 1, a yielding energy dissipation body 2, a self-resetting system 3 and a concrete foundation beam 4.
A top steel plate 402 is buried in the top of the concrete foundation beam 4. A plurality of steel sleeves 401 are embedded in the beam body of the concrete foundation beam 4. The foundation top steel plate 402 is provided with a through connection hole 4021 for the pre-stressed steel strand 303 to pass through at a position corresponding to the steel sleeve 401.
The steel column 1 is a rectangular steel tube. The steel column 1 is vertically arranged on the upper surface of the concrete foundation beam 4. And a yielding energy dissipater 2 is respectively arranged on the peripheral walls of the four sides of the steel column 1.
Each yielding energy dissipater 2 comprises two upper connecting plates 201, two lower connecting plates 202, an anti-yielding energy dissipater 203 and two pins 204. Bolt holes are formed in the plate surfaces of the upper connecting plate 201 and the lower connecting plate 202. The anti-yielding energy dissipation rod 203 comprises an energy dissipation steel plate 2031, an outer sleeved steel pipe 2033 and two end plates 2032 fixed at two axial ends of the energy dissipation steel plate 2031. The energy dissipating steel plate 2031 includes an energy dissipating section and a converting section. The middle part of the energy consumption steel plate 2031 is subjected to thinning treatment to form an energy dissipation section. The end of the energy consumption steel plate 2031 is a conversion section. The transition section is welded smoothly to the end plate 2032. The outer steel pipe 2033 is sleeved on the periphery of the energy dissipation section. And a filling material 2035 is filled between the outer sleeve steel pipe 2033 and the energy dissipation section. The end plate 2032 at the upper end of the anti-yielding energy dissipation rod 203 is clamped between two upper connecting plates 201, and the end plate 2032 at the lower end is clamped between two lower connecting plates 202. Bolt holes corresponding to the bolt holes of the upper connecting plate 201 and the lower connecting plate 202 are formed in the surface of the end plate 2032. The buckling-restrained energy-dissipation rods 203 are fixedly connected with the upper connecting plate 201 and the lower connecting plate 202 through bolts 204 respectively. The upper connecting plate 201 is welded with the outer wall of the steel column 1. The lower web 202 is welded to the upper surface of the top steel plate 402.
The self-resetting system 3 comprises a prestressed tendon connecting plate 301, a plurality of prestressed steel strands 303 and an anchorage device 304. The prestressed tendon connecting plate 301 is provided with a hole 3011 on the plate surface. The tendon connection plate 301 is arranged above the yielding energy dissipater 2. The steel column 1 penetrates through the hole 3011 and is welded with the prestressed tendon connecting plate 301. The face of the prestressed tendon connecting plate 301 is also provided with a plurality of through connecting holes I3012. The upper end of the prestressed steel strand 303 penetrates through the oppositely penetrating connecting hole I3012 and then is anchored on the top of the prestressed tendon connecting plate 301 through an anchorage device 304. The lower ends of the prestressed steel strands 303 sequentially penetrate through the through connection holes 4021 and the steel sleeve 401 and are anchored at the bottom of the concrete foundation beam 4 through the anchorage device 304.
Example 3:
the embodiment provides a self-resetting energy dissipation steel column base node, and the main structure of the node is the same as that of embodiment 2. And a stiffening rib 302 is further welded between the steel column 1 and the prestressed tendon connecting plate 301.
Example 4:
the embodiment provides a self-resetting energy dissipation steel column base node, and the main structure of the node is the same as that of embodiment 2. Wherein, the inner cavity of the steel column 1 is filled with concrete.
Example 5:
the embodiment provides a self-resetting energy dissipation steel column base node, and the main structure of the node is the same as that of embodiment 2. And a column base steel plate is further arranged at the bottom of the steel column 1.
Example 6:
the embodiment provides a self-resetting energy dissipation steel column base node, and the main structure of the node is the same as that of embodiment 2. Wherein the filling material 2035 is a fine aggregate concrete grouting material.
Example 7:
the embodiment provides a self-resetting energy dissipation steel column base node, and the main structure of the node is the same as that of embodiment 2. Wherein a plurality of shear keys 403 are also arranged on the foundation top steel plate 402. The shear key 403 is welded to the foundation top steel plate 402.
Claims (6)
1. A self-resetting energy dissipation steel column base node is characterized by comprising a steel column (1), a yielding energy dissipation body (2), a self-resetting system (3) and a concrete foundation beam (4);
a top steel plate (402) is embedded at the top of the concrete foundation beam (4); a plurality of steel sleeves (401) are embedded in the beam body of the concrete foundation beam (4); the top steel plate (402) is provided with a through connecting hole II (4021) at a position corresponding to the steel sleeve (401);
the steel column (1) is a rectangular steel pipe; the steel columns (1) are arranged on the upper surface of the concrete foundation beam (4); a yield energy dissipater (2) is respectively arranged on the peripheral walls of the four sides of the steel column (1);
each yielding energy dissipater (2) comprises two upper connecting plates (201), two lower connecting plates (202), an anti-yielding energy dissipation rod (203) and two bolts (204); the plate surfaces of the upper connecting plate (201) and the lower connecting plate (202) are provided with bolt holes; the anti-yielding energy dissipation rod (203) comprises an energy dissipation steel plate (2031), an outer sleeve steel pipe (2033) and two end plates (2032) fixed at the two axial ends of the energy dissipation steel plate (2031), wherein bolt holes (2034) are reserved on the end plates (2032); the energy consumption steel plate (2031) comprises an energy dissipation section and a conversion section; the middle part of the energy consumption steel plate (2031) is subjected to thinning treatment to form an energy dissipation section; the end part of the energy consumption steel plate (2031) is a conversion section; the conversion section is smoothly welded with an end plate (2032); the outer sleeve steel pipe (2033) is sleeved on the periphery of the energy dissipation section; filling materials (2035) are filled between the outer sleeved steel pipe (2033) and the energy dissipation section; the end plate (2032) at the upper end of the anti-yielding energy dissipation rod (203) is clamped between the two upper connecting plates (201), and the end plate (2032) at the lower end is clamped between the two lower connecting plates (202); the surface of the end plate (2032) is provided with bolt holes (2034) corresponding to the bolt holes of the upper connecting plate (201) and the lower connecting plate (202); the buckling-restrained energy dissipation rods (203) are respectively and fixedly connected with the upper connecting plate (201) and the lower connecting plate (202) through bolts (204); the upper connecting plate (201) is welded with the outer wall of the steel column (1); the lower connecting plate (202) is welded with the upper surface of a basic top steel plate (402);
the self-resetting system (3) comprises a prestressed tendon connecting plate (301), a stiffening rib (302), a plurality of prestressed steel strands (303) and an anchorage device (304); the plate surface of the prestressed tendon connecting plate (301) is provided with a hole (3011); the prestressed tendon connecting plate (301) is arranged above the yielding energy dissipater (2); the steel column (1) penetrates through the hole (3011) and is welded with the prestressed tendon connecting plate (301); the plate surface of the prestressed tendon connecting plate (301) is also provided with a plurality of through connecting holes I (3012); the upper end of the prestressed steel strand (303) penetrates through the opposite penetrating connecting hole I (3012) and is anchored on the top of the prestressed tendon connecting plate (301) through an anchorage device (304); the lower end of the prestressed steel strand (303) penetrates through the through connection hole II (4021) and the steel sleeve (401) in sequence and then is anchored at the bottom of the concrete foundation beam (4) through an anchorage device (304).
2. A self-resetting energy-dissipating steel column foot node according to claim 1, characterized in that: stiffening ribs (302) are further welded between the steel columns (1) and the prestressed tendon connecting plates (301).
3. A self-resetting energy-dissipating steel column foot node according to claim 1, characterized in that: concrete is filled in the inner cavity of the steel column (1).
4. A self-resetting energy-dissipating steel column foot node according to claim 1, characterized in that: and a column base steel plate is further arranged at the bottom of the steel column (1).
5. The anti-yielding energy dissipating pole (203) of claim 1, characterized in that: the filling material (2035) is fine aggregate concrete grouting material.
6. A self-resetting energy-dissipating steel column foot node according to claim 1, characterized in that: a plurality of shear keys (403) are arranged on the foundation top steel plate (402); the shear key (403) is welded to the foundation top steel plate (402).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849249.2A CN110714545A (en) | 2019-09-09 | 2019-09-09 | Self-resetting energy dissipation steel column base node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910849249.2A CN110714545A (en) | 2019-09-09 | 2019-09-09 | Self-resetting energy dissipation steel column base node |
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| CN110714545A true CN110714545A (en) | 2020-01-21 |
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| CN201910849249.2A Pending CN110714545A (en) | 2019-09-09 | 2019-09-09 | Self-resetting energy dissipation steel column base node |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270701A (en) * | 2020-02-13 | 2020-06-12 | 青岛理工大学 | Recoverable steel-wood independent foundation and installation method |
| CN111287209A (en) * | 2020-02-22 | 2020-06-16 | 青岛理工大学 | Recoverable steel-wood combined column base and installation method thereof |
| CN111425037A (en) * | 2020-03-11 | 2020-07-17 | 同济大学 | Steel structure column base with replaceable metal round bar energy dissipation damper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090282753A1 (en) * | 2008-05-19 | 2009-11-19 | Chin-Lu Kuan | Shock-Resisting Steel Concrete Structure |
| CN201809994U (en) * | 2010-04-02 | 2011-04-27 | 陈云 | Super-elastic buckling-restrained energy-dissipation brace |
| CN201933635U (en) * | 2010-10-15 | 2011-08-17 | 清华大学 | Double rectangular pipes pair clamping assembled type flexing-preventing support member |
| CN103243814A (en) * | 2013-05-29 | 2013-08-14 | 吕西林 | Function recoverable prefabricate column base node |
| CN204919987U (en) * | 2015-07-22 | 2015-12-30 | 北京建筑大学 | Prestressing force sways and exposes formula column base |
| CN109898744A (en) * | 2019-03-01 | 2019-06-18 | 北京工业大学 | A kind of cross foot joint of Self-resetting adding replaceable Γ shape anti-side shear wall |
-
2019
- 2019-09-09 CN CN201910849249.2A patent/CN110714545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090282753A1 (en) * | 2008-05-19 | 2009-11-19 | Chin-Lu Kuan | Shock-Resisting Steel Concrete Structure |
| CN201809994U (en) * | 2010-04-02 | 2011-04-27 | 陈云 | Super-elastic buckling-restrained energy-dissipation brace |
| CN201933635U (en) * | 2010-10-15 | 2011-08-17 | 清华大学 | Double rectangular pipes pair clamping assembled type flexing-preventing support member |
| CN103243814A (en) * | 2013-05-29 | 2013-08-14 | 吕西林 | Function recoverable prefabricate column base node |
| CN204919987U (en) * | 2015-07-22 | 2015-12-30 | 北京建筑大学 | Prestressing force sways and exposes formula column base |
| CN109898744A (en) * | 2019-03-01 | 2019-06-18 | 北京工业大学 | A kind of cross foot joint of Self-resetting adding replaceable Γ shape anti-side shear wall |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270701A (en) * | 2020-02-13 | 2020-06-12 | 青岛理工大学 | Recoverable steel-wood independent foundation and installation method |
| CN111287209A (en) * | 2020-02-22 | 2020-06-16 | 青岛理工大学 | Recoverable steel-wood combined column base and installation method thereof |
| CN111425037A (en) * | 2020-03-11 | 2020-07-17 | 同济大学 | Steel structure column base with replaceable metal round bar energy dissipation damper |
| CN111425037B (en) * | 2020-03-11 | 2021-07-02 | 同济大学 | Steel structure column base with replaceable metal round bar energy dissipation damper |
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