CN220150527U - Assembled energy consumption self-resetting column base node - Google Patents
Assembled energy consumption self-resetting column base node Download PDFInfo
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- CN220150527U CN220150527U CN202321463867.1U CN202321463867U CN220150527U CN 220150527 U CN220150527 U CN 220150527U CN 202321463867 U CN202321463867 U CN 202321463867U CN 220150527 U CN220150527 U CN 220150527U
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 107
- 239000010959 steel Substances 0.000 claims abstract description 107
- 238000005452 bending Methods 0.000 claims abstract description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 42
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses an assembled energy-consumption self-resetting column foot node which comprises a column body, wherein self-resetting energy-consumption components are symmetrically arranged at the lower part of the column body, the self-resetting energy-consumption components are used for limiting the column body, bases are arranged on the bottom surfaces of the column body and the self-resetting energy-consumption components, a groove is formed in the center of one side, away from the column body, of the base, a prestress component is detachably connected with the center of the groove, and penetrates through the groove and the column body in sequence and is detachably connected with the top surface of the column body, and the prestress component is used for increasing the bending resistance of the column body; the self-resetting energy consumption assembly comprises L-shaped energy consumption soft steel, two ends of the L-shaped energy consumption soft steel are respectively provided with a supporting part, and a plurality of super-elastic SMA rods are detachably connected between the two supporting parts. The self-resetting energy consumption component can be self-recovered and can be quickly disassembled and replaced.
Description
Technical Field
The utility model relates to the technical field of energy dissipation and shock absorption of an assembled concrete column, in particular to an assembled energy-consumption self-resetting column foot node.
Background
Earthquake is one of the main natural disasters on the earth, and huge casualties and economic property loss are often caused; the traditional cast-in-situ structure mainly dissipates earthquake energy through plastic deformation of the cast-in-situ structure, and once residual deformation is too large, the cast-in-situ structure is difficult to repair after earthquake. In recent years, a self-resetting structure connected by a prestressed rib is gradually and widely developed and applied, and particularly in a fabricated structure, the method of connecting a fabricated component by the prestressed rib and an energy-consuming element has become a main development trend of the self-resetting structure.
The current research direction is mainly focused on beam column nodes, and the research on column foot nodes is relatively less; in the existing self-resetting column foot node, the energy-consuming elements often adopt sleeve dampers such as lead dampers or oil dampers, and the like, and the energy-consuming elements can effectively dissipate earthquake energy, but are easy to damage at the column foot node, and the damaged column foot node is very difficult to repair and replace due to relatively complex structure and relatively high cost; therefore, there is a need for an assembled energy-consuming self-resetting column foot node, which can self-repair or quickly detach and replace energy-consuming elements after being damaged, and has important significance for promoting the development concept of green buildings.
Disclosure of Invention
The utility model aims to provide an assembled energy-consumption self-resetting column base node so as to solve the problems in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an assembled energy consumption self-resetting column foot node which comprises a column body, wherein self-resetting energy consumption components are symmetrically arranged at the lower part of the column body and used for limiting the column body, bases are arranged on the bottom surfaces of the column body and the self-resetting energy consumption components, a groove is formed in the center of one side, away from the column body, of the base, a prestress component is detachably connected with the center of the groove, and the prestress component sequentially penetrates through the groove, the column body and is detachably connected with the top surface of the column body, and is used for increasing the bending resistance of the column body; the self-resetting energy consumption assembly comprises L-shaped energy consumption soft steel, two ends of the L-shaped energy consumption soft steel are respectively provided with a supporting part, and a plurality of super-elastic SMA rods are detachably connected between the two supporting parts.
Preferably, the cylinder comprises an outer steel pipe and an inner steel pipe, the inner steel pipe is sleeved in the outer steel pipe, a gap is reserved between the outer steel pipe and the inner steel pipe, the top surfaces of the outer steel pipe and the inner steel pipe are fixedly connected with an upper end plate, and one side, deviating from the upper end plate, of the outer steel pipe and the inner steel pipe is fixedly connected with a lower end plate.
Preferably, a through hole is formed in the center of the groove, and the through hole is communicated with the inner steel pipe.
Preferably, the L-shaped energy consumption mild steel comprises a first mild steel, the first mild steel is detachably connected with the outer steel pipe through a plurality of penetrating bolts, a second mild steel is fixedly connected to the lower portion of one side, deviating from the outer steel pipe, of the first mild steel, and the second mild steel is detachably connected with the base through a plurality of high-strength bolts.
Preferably, the middle part of second mild steel is provided with the arc arch, the arc arch deviates from the base setting, first mild steel with set up perpendicularly between the second mild steel.
Preferably, the supporting parts are respectively arranged at one side of the first mild steel, which is away from the outer steel pipe, and one side of the second mild steel, which is away from the base.
Preferably, the support part comprises a fixed plate, one side of the fixed plate is fixedly connected with a plurality of stiffening ribs, the fixed plate and the stiffening ribs are fixedly connected with two ends of the L-shaped energy-consuming soft steel, and two ends of the super-elastic SMA rod penetrate through two ends of the fixed plate respectively and are detachably connected with the fixed plate through anchors.
Preferably, the prestress assembly comprises a prestress steel strand, the prestress steel strand is arranged in the inner steel pipe, the prestress steel strand penetrates through the through hole, and tension end anchors are detachably connected to two ends of the upper end plate.
The utility model discloses the following technical effects:
according to the self-resetting energy consumption component, the energy consumption capability and the capability of limiting the column to generate larger horizontal displacement can be provided through the self-resetting energy consumption component arranged at the column foot node position of the column, and when small earthquake occurs, the deformation of the column foot node can be self-recovered; when encountering the major earthquake, the damaged self-resetting energy consumption assembly can be rapidly disassembled and replaced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the column of the present utility model;
FIG. 3 is a schematic diagram of the structure of the prestress wire of the present utility model;
FIG. 4 is a schematic diagram of a self-resetting energy consuming component structure according to the present utility model;
1, tensioning an end anchor; 2. an upper end plate; 3. an outer steel pipe; 4. a lower end plate; 5. a base; 6. a through bolt; 7. a super-elastic SMA rod; 8. stiffening ribs; 9. an anchor; 10. a high-strength bolt; 11. an inner steel pipe; 12. l-shaped energy-consumption mild steel; 13. prestress wire.
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. 1-4, the utility model discloses an assembled energy-consumption self-resetting column foot node, which comprises a column body, wherein self-resetting energy-consumption components are symmetrically arranged at the lower part of the column body, the self-resetting energy-consumption components are used for limiting the column body, bases 5 are arranged on the bottom surfaces of the column body and the self-resetting energy-consumption components, a groove is formed in the center of one side, which is away from the column body, of the base 5, a prestress component is detachably connected to the center of the groove, and sequentially penetrates through the groove and the column body and is detachably connected with the top surface of the column body, and the prestress component is used for increasing the bending resistance of the column body; the self-resetting energy consumption assembly comprises an L-shaped energy consumption soft steel 12, two ends of the L-shaped energy consumption soft steel 12 are respectively provided with a supporting part, and a plurality of super-elastic SMA rods 7 are detachably connected between the two supporting parts. The self-resetting energy consumption assembly provides energy consumption capability and self-resetting function for column foot nodes of the column body, and meanwhile, the self-resetting energy consumption assembly can be rapidly detached and replaced according to damage conditions after an earthquake.
According to the self-resetting energy consumption component, the energy consumption capability and the capability of limiting the column to generate larger horizontal displacement can be provided through the self-resetting energy consumption component arranged at the column foot node position of the column, and when small earthquake occurs, the deformation of the column foot node can be self-recovered; when a large earthquake occurs, the damaged self-resetting energy consumption assembly can be replaced integrally; all the components of the utility model can be prefabricated in factories, the installation steps are simple, the construction period can be effectively shortened, and the development requirement of green buildings is met.
Further optimizing scheme, the cylinder includes outer steel pipe 3 and interior steel pipe 11, and interior steel pipe 11 cover is established in outer steel pipe 3, leaves the clearance between outer steel pipe 3 and the interior steel pipe 11, and the equal fixedly connected with of top surface of outer steel pipe 3, interior steel pipe 11 goes up end plate 2, and outer steel pipe 3, interior steel pipe 11 deviate from the equal fixedly connected with of one side of last end plate 2 and down end plate 4. The lower end plate 4 is fixedly connected to one ends of the outer steel pipe 3 and the inner steel pipe 11, the centers of the outer steel pipe 3, the inner steel pipe 11 and the lower end plate 4 are located on the same central axis, the outer steel pipe 3 and the inner steel pipe 11 are positioned through the lower end plate 4, a plurality of embedded pipes penetrate through the outer steel pipe 3 and the inner steel pipe 11, the through bolts 6 can penetrate through the embedded pipes, and two ends of the through bolts 6 are located on two sides of the outer steel pipe 3; and then concrete pouring is carried out in the gap between the outer steel pipe 3 and the inner steel pipe 11, and then the upper end plate 2 is fixedly connected with the other ends of the outer steel pipe 3 and the inner steel pipe 11 to form the compound steel pipe concrete column.
Further optimizing scheme, the through hole has been seted up at the center of recess, and the through hole is linked together with interior steel pipe 11. The centers of the upper end plate 2 and the lower end plate 4 are provided with reserved holes, and the reserved holes of the lower end plate 4 are communicated with the through holes, so that the prestressed steel strands can conveniently penetrate through.
In a further optimization scheme, the L-shaped energy consumption soft steel 12 comprises first soft steel, the first soft steel is detachably connected with the outer steel pipe 3 through a plurality of through bolts 6, the lower part of one side of the first soft steel, which is away from the outer steel pipe 3, is fixedly connected with second soft steel, and the second soft steel is detachably connected with the base 5 through a plurality of high-strength bolts 10; the middle part of the second mild steel is provided with an arc-shaped bulge which is arranged away from the base 5, and the first mild steel and the second mild steel are vertically arranged; the supporting parts are respectively arranged on one side of the first mild steel, which is away from the outer steel pipe 3, and one side of the second mild steel, which is away from the base 5. Through the arc protruding that sets up, when compound steel core concrete column to one side remove, the arc protruding of one side can be elongated, and the arc protruding of opposite side contracts, can provide sufficient removal space for the column base of cylinder.
Two ends of the penetrating bolt 6 are detachably connected with two first mild steels respectively, nuts of the penetrating bolt 6 are screwed down, the first mild steels are tightly connected with the outer steel pipe 3 conveniently, one end of the high-strength bolt 10 penetrating through the second mild steel into the base 5 is in threaded connection with the base 5, when the high-strength bolt 10 is screwed down, the second mild steel is tightly connected with the base 5, and meanwhile the nuts of the high-strength bolt 10 and the penetrating bolt 6 are detached, and the first mild steel and the second mild steel are replaced conveniently.
Further optimizing scheme, supporting part includes the fixed plate, and one side fixedly connected with a plurality of stiffening rib 8 of fixed plate, stiffening rib 8 all with the both ends fixed connection of L shape power consumption mild steel, the both ends of super elasticity SMA stick 7 run through the tip of two fixed plates respectively and all can dismantle with the fixed plate through ground tackle 9 and be connected. The stiffening ribs 8 are arranged, so that the force of the steel tube concrete column can be better transmitted to the super-elastic SMA rod 7, and the super-elastic SMA rod 7 assists the first mild steel and the second mild steel to consume energy and provide a self-resetting effect for the column foot of the column; in addition, the fixing plate is connected with the super-elastic SMA rod 7 through the anchor 9, and after a strong earthquake occurs, the super-elastic SMA rod 7 can be quickly detached and the super-elastic SMA rod 7 can be replaced.
According to a further optimization scheme, the prestress assembly comprises prestress steel strands 13, the prestress steel strands 13 are arranged in the inner steel pipe 11, the prestress steel strands 13 penetrate through the through holes, and the two ends of the upper end plate 2 are detachably connected with tensioning end anchors 1. The two ends of the prestressed steel strand 13 are anchored through the tensioning end anchors 1 respectively, and the prestressed steel strand 13 is tensioned through the two tensioning end anchors 1, so that the prestressed steel strand 13 provides certain self-resetting capability when the compound steel pipe concrete column moves, and bears part of bending moment under the action of an earthquake.
The working process comprises the following steps: placing the compound steel tube concrete column on the center of the top surface of the base 5, enabling the preformed hole on the lower end plate 4 to be at the same point as the center of the through hole on the base 5, enabling the groove to be communicated with the inner steel tube 11 through the preformed hole on the lower end plate 4 and the through hole on the base 5, prefabricating the self-resetting energy consumption assembly and the base 5, enabling the prestress steel strand 13 to sequentially penetrate through the preformed hole of the upper end plate 2, the inner steel tube 11, the preformed hole of the lower end plate 4 and the through hole of the groove to extend out of the groove, tensioning two ends of the prestress steel strand 13 through the two tensioning end anchors 1, and enabling the two tensioning end anchors 1 to be in tight butt joint with the groove and the upper end plate 2 respectively, so as to stretch the prestress steel strand 13; two self-resetting energy consumption components are arranged on two symmetrical sides of the outer steel pipe 3, and then the first mild steel is tightly connected with the outer steel pipe 3 through the through bolts 6 and nuts of the through bolts 6; the high-strength bolt 10 is screwed into the base 5, so that the second mild steel is tightly connected with the base 5, when the earthquake action is encountered, the first mild steel and the second mild steel can generate plastic deformation along with the movement of the column base to consume energy, and meanwhile, the first mild steel and the second mild steel can also play a limiting role on the column base of the column body to prevent the column base from generating excessive horizontal displacement under the earthquake action; through the arc protruding that sets up on the second mild steel, when compound steel core concrete column to one side remove, the arc protruding of one side can be elongated, and the arc protruding of opposite side contracts, can provide sufficient removal space for the column base of cylinder.
All the components of the self-resetting energy consumption assembly can be prefabricated in a factory and then transported to the site for assembly, the structural form is simple, the installation difficulty is low, the self-resetting energy consumption assembly can be quickly replaced after earthquake, and the self-resetting energy consumption assembly meets the development concept of a green building.
The utility model can solve the problem that the column foot has larger plastic deformation during earthquake so as to endanger the safety of the structure; meanwhile, the utility model realizes the energy consumption of the actual structure column foot node through the self-resetting energy consumption component and the swing of the column foot, so as to ensure that the column foot node is always in an elastic state, and the self-resetting capability is provided by the super-elastic SMA rod 7 and the prestressed steel strand in the inner steel pipe 11 after earthquake so as to enable the structure to return to the initial state; the utility model is mainly widely applied to the technical field of energy dissipation and shock absorption of building structures in areas with frequent earthquakes or high-rise and super high-rise building structures.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. An assembled power consumption is from reset column base node which characterized in that: the self-resetting energy consumption device comprises a column body, wherein self-resetting energy consumption components are symmetrically arranged at the lower part of the column body and used for limiting the column body, bases (5) are arranged on the bottom surfaces of the column body and the self-resetting energy consumption components, grooves are formed in the centers of one sides, deviating from the column body, of the bases (5), prestress components are detachably connected to the centers of the grooves, penetrate through the grooves in sequence, the column body and are detachably connected with the top surface of the column body, and the prestress components are used for increasing the bending resistance of the column body;
the self-resetting energy consumption assembly comprises L-shaped energy consumption soft steel (12), supporting portions are arranged at two ends of the L-shaped energy consumption soft steel (12), and a plurality of super-elastic SMA rods (7) are detachably connected between the two supporting portions.
2. The fabricated energy-consuming self-resetting column shoe node of claim 1, wherein: the cylinder comprises an outer steel pipe (3) and an inner steel pipe (11), wherein the inner steel pipe (11) is sleeved in the outer steel pipe (3), a gap is reserved between the outer steel pipe (3) and the inner steel pipe (11), the top surface of the outer steel pipe (3) and the top surface of the inner steel pipe (11) are fixedly connected with an upper end plate (2), and the outer steel pipe (3) and the inner steel pipe (11) deviate from a lower end plate (4) which is fixedly connected with one side of the upper end plate (2).
3. The fabricated energy-consuming self-resetting column shoe node of claim 2, wherein: and a through hole is formed in the center of the groove and is communicated with the inner steel pipe (11).
4. The fabricated energy-consuming self-resetting column shoe node of claim 3, wherein: the L-shaped energy consumption mild steel (12) comprises first mild steel, the first mild steel is detachably connected with the outer steel pipe (3) through a plurality of penetrating bolts (6), a second mild steel is fixedly connected to the lower portion of one side, deviating from the outer steel pipe (3), of the first mild steel, and the second mild steel is detachably connected with the base (5) through a plurality of high-strength bolts (10).
5. The fabricated energy-consuming self-resetting column shoe node of claim 4, wherein: the middle part of second mild steel is provided with the arc arch, the arc arch deviates from base (5) setting, first mild steel with set up perpendicularly between the second mild steel.
6. The fabricated energy-consuming self-resetting column shoe node of claim 4, wherein: the supporting parts are respectively arranged on one side of the first mild steel, which is away from the outer steel pipe (3), and one side of the second mild steel, which is away from the base (5).
7. The fabricated energy-consuming self-resetting column shoe node of claim 1, wherein: the supporting part comprises a fixed plate, one side of the fixed plate is fixedly connected with a plurality of stiffening ribs (8), the fixed plate and the stiffening ribs (8) are fixedly connected with two ends of the L-shaped energy dissipation soft steel, and two ends of the super-elastic SMA rod (7) penetrate through two ends of the fixed plate respectively and are detachably connected with the fixed plate through anchor devices (9).
8. The fabricated energy-consuming self-resetting column shoe node of claim 3, wherein: the prestress assembly comprises prestress steel strands (13), the prestress steel strands (13) are arranged in the inner steel pipe (11), the prestress steel strands (13) penetrate through the through holes, and tensioning end anchors (1) are detachably connected to two ends of the upper end plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321463867.1U CN220150527U (en) | 2023-06-09 | 2023-06-09 | Assembled energy consumption self-resetting column base node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321463867.1U CN220150527U (en) | 2023-06-09 | 2023-06-09 | Assembled energy consumption self-resetting column base node |
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| CN220150527U true CN220150527U (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321463867.1U Active CN220150527U (en) | 2023-06-09 | 2023-06-09 | Assembled energy consumption self-resetting column base node |
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- 2023-06-09 CN CN202321463867.1U patent/CN220150527U/en active Active
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Effective date of registration: 20231221 Address after: Room 2702, No. 99 Yilan Road, Siming District, Xiamen City, Fujian Province, 361001 Patentee after: Fujian Jiuding Construction Group Xiamen Co.,Ltd. Patentee after: FUZHOU University Patentee after: Hefei University of Technology Address before: No. 199 Fufei North Road, Xindian Town, Jin'an District, Fuzhou City, Fujian Province, 350011 Patentee before: FUJIAN JIUDING CONSTRUCTION ENGINEERING Co.,Ltd. Patentee before: FUZHOU University Patentee before: Hefei University of Technology |