CN115233837A - Connecting node for assembled concrete frame and steel energy dissipation part - Google Patents
Connecting node for assembled concrete frame and steel energy dissipation part Download PDFInfo
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- CN115233837A CN115233837A CN202210998376.0A CN202210998376A CN115233837A CN 115233837 A CN115233837 A CN 115233837A CN 202210998376 A CN202210998376 A CN 202210998376A CN 115233837 A CN115233837 A CN 115233837A
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- connecting cylinder
- slider
- concrete frame
- box
- atmospheric pressure
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the field of assembly type building connection structures, in particular to a connection node for an assembly type concrete frame and a steel energy dissipation part, which comprises a support column and a cross beam, wherein a pre-embedded plate is fixedly installed on the side surface of the support column, connecting lugs are fixedly installed on the side surface of the pre-embedded plate corresponding to the side surface of the cross beam, a connecting cylinder with one sealed end is arranged between each connecting lug and the cross beam, guide through grooves are formed in the side surface of the connecting cylinder corresponding to the connecting lugs, sliding blocks are installed in the guide through grooves in a sliding mode, horizontal bolts are arranged between the sliding blocks and the corresponding connecting lugs, one ends of the bolts are connected with the corresponding connecting lugs, the other ends of the bolts penetrate through the corresponding sliding blocks and are connected with nuts through threads, a clamping assembly is arranged inside the connecting cylinder, the cross beam extends into the connecting cylinder, the clamping assembly can clamp a steel bar on the cross beam, the sliding blocks can control the clamping assembly to be clamped or loosened, and the support column and the cross beam are not easy to separate under the interaction of air pressure clamping and mechanical clamping.
Description
Technical Field
The invention relates to the field of assembly type building connection structures, in particular to a connection node for an assembly type concrete frame and a steel energy dissipation piece.
Background
The fabricated building is characterized in that the whole building is split into components such as beams, plates, columns and walls, standardized design, factory production and fabricated construction are adopted, a novel building production mode of five-section one-environmental protection and full-period value maximization of the building is achieved, a fabricated concrete frame needs to be built when the fabricated building is built, the fabricated concrete frame mainly comprises prefabricated columns, prefabricated superposed beams, prefabricated superposed plates and other prefabricated components, and an integral system is formed among the components through cast-in-place concrete.
The Chinese patent with the publication number of CN110847357B discloses an energy dissipation part modularized assembled self-resetting concrete frame low-damage node which mainly comprises components such as a column end embedded steel plate, a soft steel damper, a beam end embedded steel jacket, unbonded prestressed steel strands and the like, wherein a steel jacket with a section steel part is embedded at the end of a prefabricated reinforced concrete beam, a connecting steel plate is embedded on a prefabricated reinforced concrete column, the soft steel dampers are arranged on two sides of a profile steel web, and the earthquake energy is dissipated through the low yield and hysteretic characteristics of soft steel.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a connecting node for an assembled concrete frame and a steel energy dissipation part.
The technical scheme of the invention is as follows: the utility model provides a connected node for assembled concrete frame and steel power consumption piece, including support column and crossbeam, the side fixed mounting built-in panel of support column, the equal fixed mounting engaging lug in side department that corresponds the crossbeam on the built-in panel, set up the connecting cylinder that one end was sealed between engaging lug and the crossbeam, it leads to the groove all to set up the direction in corresponding engaging lug department on the side of connecting cylinder, the equal slidable mounting slider in the groove is led to, all set up horizontally bolt between slider and the engaging lug that corresponds, the engaging lug that corresponds is all connected to the one end of bolt, the other end all passes the slider that corresponds, and threaded connection has the nut, the inside of connecting cylinder sets up the centre gripping subassembly, stretch into the connecting cylinder with the crossbeam, the reinforcing bar on the crossbeam can be pressed from both sides to the centre gripping subassembly, the centre gripping subassembly can be controlled to slip slider presss from both sides tightly or loosen.
Further, the centre gripping subassembly include the connecting plate, the inside one end of being close to the seal of connecting cylinder set up the connecting plate, can dismantle fixed connection between connecting plate and the connecting cylinder, set up atmospheric pressure supporting component in the middle of the inside of connecting cylinder, all set up the punch holder between atmospheric pressure supporting component and the slider, the one end that the punch holder is close to the connecting plate is connecting portion, fixed connection can all be dismantled on the connecting plate through connecting portion to the connecting plate, connecting portion are flexible, the slider is towards the terminal surface of punch holder and the face of punch holder towards the slider is the inclined plane, and the inclined plane of slider all pushes up on the inclined plane of the punch holder that corresponds.
Further, the atmospheric pressure supporting component include the box, the one end of box and the intermediate position of connecting plate can dismantle fixed connection, correspond on the box equal fixed mounting inner plate on the side of slider, the inside of box is sealed space, the box is by elastic metal material preparation, first atmospheric pressure pipe is connected in the box outside, the other end connection valve of first atmospheric pressure pipe, valve and connecting cylinder fixed connection, the other end of valve can be dismantled and connect the second atmospheric pressure pipe, the high-pressure air pump is connected to the other end of second atmospheric pressure pipe.
Furthermore, the detachable fixed connection is fixed connection through a plurality of uniformly distributed screws.
Furthermore, two reinforcing rib plates which are mutually crossed and fixedly connected are arranged in the box body, four side surfaces of the two reinforcing rib plates are respectively and fixedly connected with four diagonal edges on the box body, the box body is divided into four spaces, and through holes are formed in the reinforcing rib plates.
Furthermore, a plurality of arc-shaped clamping grooves are symmetrically formed in the opposite surfaces of the inner clamping plate and the outer clamping plate, anti-skid lines are arranged in the clamping grooves, the bottom surfaces of the clamping grooves are wavy, and the wavy bottom surfaces of the two opposite clamping grooves are staggered.
Furthermore, the lug on correspond the breach that bolt department all seted up the U-shaped opening outwards, conveniently dismantle and the installation bolt, correspond breach department on the lug and all set up hexagonal countersunk head recess towards on the side of built-in panel, make the outer hexagon head of bolt can sink into in the countersunk head recess.
Furthermore, the connecting lugs and the embedded plates are manufactured in an integrated mode, one ends of the adjacent connecting lugs are fixedly connected with each other, a groove is formed in the middle of each connecting lug, and one end of the connecting cylinder extends into the groove.
The invention provides a connecting node for an assembled concrete frame and a steel energy dissipation part, which has the following beneficial effects: the device drives the sliding block to move through the bolt and the nut, so that the connecting cylinder is fixedly arranged on the supporting column through the embedded plate, the connecting cylinder can bear the shearing force of the cross beam, meanwhile, the inclined plane on the sliding block can push the outer clamping plate to clamp the steel bar inwards, in addition, the box body is expanded through air pressure, so that the inner clamping plate is pushed to clamp the steel bar outwards, the steel bar can be tightly fixed in the clamping groove under the interaction of air pressure clamping and mechanical clamping, the supporting column and the cross beam are not easy to separate, when an earthquake occurs, the supporting column and the cross beam can vibrate or shake mutually through the vibration of the ground, so that the steel bar is extruded or pulled, at the moment, the steel bar can slide back and forth in the clamping groove, the effect of consuming earthquake energy is achieved, other parts can be protected, and the damage to the parts is reduced; in addition, because many spare parts pass through screw mutual fixed connection, when making things convenient for later stage workman's inspection maintenance, change the damaged part of part, also reduced the maintenance cost in later stage simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at I;
fig. 4 is a schematic view of the structure at B in fig. 3.
Detailed Description
To facilitate an understanding of the invention for those skilled in the art, a specific embodiment thereof will be described below with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The invention provides a connecting node for an assembled concrete frame and a steel energy dissipation part, as shown in fig. 1-4, the connecting node comprises a vertical supporting column 1 poured by concrete and a horizontal cross beam 2 poured by the concrete, a reinforcing steel bar 90 at one end of the cross beam 2 corresponding to the supporting column extends out, an embedded plate 3 is fixedly installed at a position corresponding to the cross beam 2 on the side surface of the supporting column 1, namely one end of the embedded plate 3 is embedded in the supporting column 1, four connecting side surfaces corresponding to the cross beam 2 at the other end of the embedded plate 3 are fixedly provided with connecting lugs 4 with L-shaped cross sections, the connecting lugs 4 and the embedded plate 3 can be connected through welding, but in order to improve the connecting strength between the connecting lugs and the embedded plate, the connecting lugs 4 and the embedded plate 3 are preferably manufactured in an integrated manner, as shown in fig. 2, because the connecting lugs need to bear the shearing force of the cross beam 2, one end of each adjacent connecting lug 4 is fixedly connected with each other, and a groove is formed in the middle, so that the structure of the connecting lugs is more stable and the stress and the connecting lug is stronger in capability.
As shown in fig. 1 and 3, set up square connecting cylinder 5 between engaging lug 4 and crossbeam 2, the one end that connecting cylinder 5 is close to built-in panel 3 is sealed, and the one end of sealing stretches into in the recess between the engaging lug 4, correspond engaging lug 4 department on the side of connecting cylinder 5 and all set up the direction and lead to groove 6, the equal slidable mounting slider 7 in the direction leads to groove 6, all set up horizontally bolt 8 between slider 7 and the corresponding engaging lug 4, the one end of bolt 8 all blocks on the corresponding engaging lug 4, the other end all passes corresponding slider 7, and threaded connection has nut 9, through screwing up nut 9, can promote the slider 7 that corresponds and lead to the groove along the direction and remove to the direction of built-in panel 3, when the slider pushes up the one end that leads to the groove that corresponds, can fix connecting cylinder 5 in the recess in the middle of engaging lug.
As shown in fig. 4, the notches 41 with outward openings and U-shaped openings are formed in the connecting lugs 4 corresponding to the bolts 8, the bolts 8 are convenient to detach and install, hexagonal countersunk head grooves 42 are formed in the connecting lugs 4 facing the side faces of the embedded plates 3 and corresponding to the notches 41, the outer hexagonal heads of the bolts 8 can sink into the countersunk head grooves, and when a worker screws the nuts, the bolts cannot rotate together, so that the worker can be more convenient to detach and install.
As shown in fig. 1, fig. 2 and fig. 3, a connecting plate 10 is disposed at one end of the inside of the connecting cylinder 5 close to the seal, a fixed connection can be detached between the connecting plate 10 and the connecting cylinder 5, a square box 11 is disposed in the middle of the inside of the connecting cylinder 5, one end of the box 11 is detachably and fixedly connected with the middle position of the connecting plate 10, an inner clamping plate 12 is fixedly mounted on the side surface of the box 1 corresponding to the slider 7, an outer clamping plate 13 is disposed between the inner clamping plate 12 and the slider 7, one end of the outer clamping plate 13 close to the connecting plate 10 is a connecting portion 14, the connecting plate 10 is fixedly connected to the connecting plate 10 in a detachable manner, the end surface of the slider 7 facing the outer clamping plate 13 and the surface of the outer clamping plate 13 facing the slider 7 are inclined surfaces, the inclined surfaces of the slider 7 are both abutted against the inclined surfaces of the corresponding outer clamping plate 13, when the slider 7 slides in the direction of the embedded plate 3, the corresponding outer clamping plate can be pressed by the inclined surfaces, the outer clamping plate can be folded in the direction of the corresponding inner clamping plate, the detachable fixed connection is preferably fixed connection by a plurality of uniformly distributed screws, and the parts can be conveniently detached or replaced.
As shown in fig. 1 and 2, the inside of the box 11 is a sealed space, the box 11 is made of an elastic metal material, the side wall corresponding to the inner clamping plate 12 on the box 11 is thinner than the side walls at two ends, the first pneumatic tube 15 is connected outside the box 11, the other end of the first pneumatic tube 15 is connected with the valve 16, the valve 16 is fixedly connected with the connecting cylinder 5, the other end of the valve 16 is detachably connected with the second pneumatic tube 17, the other end of the second pneumatic tube 17 is connected with the high-pressure air pump, when the valve is opened, the high-pressure air pump can pump away the air inside the box 11, the side surface corresponding to the inner clamping plate on the box is deformed by internal contraction, so that the inner clamping plate is far away from the outer clamping plate, the high-pressure air pump can also send the compressed air into the inside of the box, the side surface corresponding to the inner clamping plate on the box is deformed by external expansion, and the inner clamping plate is close to the outer clamping plate.
As shown in fig. 2, two mutually crossed and fixedly connected reinforcing rib plates 18 are arranged inside the box body 11, four side surfaces of the two reinforcing rib plates 18 are respectively and fixedly connected with four diagonal edges of the box body 11, the inside of the box body 11 is divided into four spaces, and the reinforcing rib plates 18 are provided with through holes so that the four spaces are communicated with each other; a plurality of arc-shaped clamping grooves 19 are symmetrically formed in the opposite surfaces of the inner clamping plate 12 and the outer clamping plate 13, anti-skid lines are arranged in the clamping grooves 19, the bottom surfaces of the clamping grooves 19 are wave-shaped, the wave-shaped bottom surfaces of the two opposite clamping grooves 19 are staggered mutually, so that the clamping grooves 19 can extrude the reinforcing steel bars 90 when the reinforcing steel bars 90 are clamped, the reinforcing steel bars 90 are slightly deformed in a wave shape, the reinforcing steel bars 90 are not easy to come out under the action of external force, and the reinforcing steel bars can be clamped more stably.
In summary, when the device is used, the second pneumatic tube is firstly connected to the valve, the valve is opened, then air in the inner space of the box body is extracted through the high-pressure air pump, the side face, corresponding to the inner clamping plate, of the box body is contracted and deformed towards the inside, so that the distance between the inner clamping plate and the outer clamping plate is increased, then one end of the cross beam extends into the connecting cylinder and is in inserting fit with the connecting cylinder, meanwhile, the steel bars on the end face of the cross beam extend into the space between the inner clamping plate and the outer clamping plate, and the steel bars are all located in the corresponding clamping grooves, at the moment, a worker can sequentially tighten the nuts, the sliding blocks all slide towards the direction of the embedded plate along the corresponding guiding through grooves, under the action of the inclined faces on the sliding blocks and the inclined faces on the outer clamping plate, the outer clamping plates are pushed towards the middle to clamp the steel bars until the sliding blocks are abutted against one end of the guiding through grooves, at the moment, the connecting cylinder is fixed in the grooves in the middle of the connecting lugs under the action of the bolts, finally, the high-pressure air pump is used for inflating the box body, the side face, the inner clamping plate and the second pneumatic tube is closed, and finally, the valve is disassembled.
The invention provides a connecting node for an assembled concrete frame and a steel energy dissipation part, which has the following beneficial effects: the device drives the sliding block to move through the bolt and the nut, so that the connecting cylinder is fixedly arranged on the supporting column through the embedded plate, the connecting cylinder can bear the shearing force of the cross beam, meanwhile, the inclined plane on the sliding block can push the outer clamping plate to clamp the steel bar inwards, in addition, the box body is expanded through air pressure, so that the inner clamping plate is pushed to clamp the steel bar outwards, the steel bar can be tightly fixed in the clamping groove under the interaction of air pressure clamping and mechanical clamping, the supporting column and the cross beam are not easy to separate, when an earthquake occurs, the supporting column and the cross beam can vibrate or shake mutually due to the vibration of the ground, the steel bar is extruded or pulled, at the moment, the steel bar can slide back and forth in the clamping groove, the effect of consuming earthquake energy is achieved, other parts can be protected, and the damage to the parts is reduced; in addition, because many spare parts pass through screw mutual fixed connection, when making things convenient for later stage workman's inspection maintenance, change the damaged part of part, also reduced the maintenance cost in later stage simultaneously.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a connected node for assembled concrete frame and steel power consumption piece, includes support column and crossbeam, its characterized in that: the side fixed mounting built-in panel of support column, the equal fixed mounting engaging lug in side department that corresponds the crossbeam on the built-in panel, set up the connecting cylinder that one end was sealed between engaging lug and the crossbeam, it leads to the groove all to set up the direction in corresponding engaging lug department on the side of connecting cylinder, the equal slidable mounting slider in the direction leads to the groove, all set up the horizontally bolt between slider and the corresponding engaging lug, the corresponding engaging lug is all connected to the one end of bolt, the other end all passes the slider that corresponds, and threaded connection has the nut, the inside of connecting cylinder sets up the centre gripping subassembly, stretch into the connecting cylinder with the crossbeam, the reinforcing bar on the crossbeam can be pressed from both sides to the centre gripping subassembly, the tight or loosen of the clamp that the centre gripping subassembly can be controlled to the slip slider.
2. A connection node for a fabricated concrete frame and steel energy dissipating component according to claim 1, wherein: the centre gripping subassembly include the connecting plate, the inside one end of being close to the seal of connecting cylinder set up the connecting plate, can dismantle fixed connection between connecting plate and the connecting cylinder, set up atmospheric pressure supporting component in the middle of the inside of connecting cylinder, all set up the punch holder between atmospheric pressure supporting component and the slider, the one end that the punch holder is close to the connecting plate is connecting portion, fixed connection can all be dismantled on the connecting plate through connecting portion to the connecting plate, connecting portion are flexible, the slider is towards the terminal surface of punch holder and the face of punch holder towards the slider is the inclined plane, and the inclined plane of slider all pushes up on the inclined plane of the punch holder that corresponds.
3. A connection node for a fabricated concrete frame and steel energy dissipating component according to claim 2, wherein: the atmospheric pressure supporting component include the box, the one end of box and the intermediate position of connecting plate can dismantle fixed connection, correspond on the box on the side of slider equal fixed mounting inner splint, the inside of box is sealed space, the box is by elastic metal material preparation, first atmospheric pressure pipe is connected in the box outside, the other end connection valve of first atmospheric pressure pipe, valve and connecting cylinder fixed connection, the other end of valve can be dismantled and connect the second atmospheric pressure pipe, the high-pressure air pump is connected to the other end of second atmospheric pressure pipe.
4. A connection node for a fabricated concrete frame and steel energy dissipating component according to claim 3, wherein: the detachable fixed connection is fixed connection through a plurality of uniformly distributed screws.
5. A connection node for a fabricated concrete frame and steel energy dissipating component according to claim 3, wherein: the box body is internally provided with two mutually crossed and fixedly connected reinforcing rib plates, four side surfaces of the two reinforcing rib plates are respectively fixedly connected with four diagonal edges on the box body, the box body is divided into four spaces, and the reinforcing rib plates are provided with through holes.
6. A connection node for a fabricated concrete frame and steel energy dissipating component according to claim 3, wherein: a plurality of arc-shaped clamping grooves are symmetrically formed in the opposite surfaces of the inner clamping plate and the outer clamping plate, anti-skid lines are arranged in the clamping grooves, the bottom surfaces of the clamping grooves are wavy, and the wavy bottom surfaces of the two opposite clamping grooves are staggered.
7. A connection node for a fabricated concrete frame and steel energy dissipating elements according to claim 1, characterised in that: the lug on correspond the breach of the U-shaped that the opening is outwards all seted up in bolt department, conveniently dismantle and the installation bolt, correspond breach department on the lug towards the side of built-in panel and all set up hexagonal countersunk head recess, make the outer hexagon head of bolt can sink in the countersunk head recess.
8. A joint for a fabricated concrete frame and a steel energy dissipating component according to any one of claims 1 to 7, wherein: the connecting lugs and the embedded plates are integrally formed, one ends of the adjacent connecting lugs are fixedly connected with each other, a groove is formed in the middle, and one end of the connecting cylinder extends into the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998376.0A CN115233837B (en) | 2022-08-19 | 2022-08-19 | Connecting node for assembled concrete frame and steel energy dissipation piece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210998376.0A CN115233837B (en) | 2022-08-19 | 2022-08-19 | Connecting node for assembled concrete frame and steel energy dissipation piece |
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| CN115233837A true CN115233837A (en) | 2022-10-25 |
| CN115233837B CN115233837B (en) | 2023-06-30 |
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| JP2018105123A (en) * | 2018-04-10 | 2018-07-05 | 株式会社竹中工務店 | Connection structure of column beam |
| CN208604760U (en) * | 2018-06-07 | 2019-03-15 | 内蒙古恒久钢构(集团)有限公司 | A kind of assembled steel frame system beam-column node structure |
| CN110847357A (en) * | 2019-11-28 | 2020-02-28 | 东南大学 | Energy dissipation spare modular assembled is from low damage node of restoring to throne concrete frame |
| CN111502000A (en) * | 2020-05-17 | 2020-08-07 | 耿振威 | Steel structure beam column connecting part for prefabricated building |
| CN111945894A (en) * | 2020-07-07 | 2020-11-17 | 上海城建职业学院 | Prefabricated reinforced concrete structural member for prefabricated building construction |
| CN112227538A (en) * | 2020-09-27 | 2021-01-15 | 重庆三峡学院 | Assembled concrete composite beam and steel pipe column anti-seismic connecting device |
| CN213897503U (en) * | 2020-10-29 | 2021-08-06 | 深圳万德钢构股份有限公司 | Steel structure node connecting device |
| CN112431304A (en) * | 2020-11-24 | 2021-03-02 | 南京玉日科技有限公司 | Fabricated building steel structure connecting piece |
| CN214574715U (en) * | 2021-04-14 | 2021-11-02 | 中国十七冶集团有限公司 | Nuclear five-level civil air defense high-density beam column node structure |
| CN113279486A (en) * | 2021-05-27 | 2021-08-20 | 扬州工业职业技术学院 | Restructured bamboo cross beam supporting node |
| CN113737946A (en) * | 2021-08-09 | 2021-12-03 | 吴丽 | Assembled steel construction building |
| CN215630711U (en) * | 2021-08-24 | 2022-01-25 | 龙飞 | Assembled concrete building node connection structure |
| CN216340098U (en) * | 2021-12-02 | 2022-04-19 | 西华大学 | Detachable assembly type steel structure house |
| CN216787429U (en) * | 2022-01-24 | 2022-06-21 | 江苏泛佳钢结构工程有限公司 | Steel construction assembled node |
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