CN115126320A - Assembled replaceable beam-column connecting node structure - Google Patents
Assembled replaceable beam-column connecting node structure Download PDFInfo
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- CN115126320A CN115126320A CN202210567809.7A CN202210567809A CN115126320A CN 115126320 A CN115126320 A CN 115126320A CN 202210567809 A CN202210567809 A CN 202210567809A CN 115126320 A CN115126320 A CN 115126320A
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- column
- prefabricated
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- replaceable
- assembled
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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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- 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
Abstract
The invention relates to the technical field of buildings, in particular to an assembled replaceable beam-column connecting node structure which comprises a beam-column node connecting component, a replaceable beam-end connecting component, a prefabricated beam, a prefabricated upper column and a prefabricated lower column, wherein the beam-column node connecting component is pre-embedded at the upper end of the prefabricated lower column; the invention has novel design, convenient construction and operation, replaceable node beam end connecting piece, better stress performance and seismic performance of beam-column connecting nodes and capability of ensuring safe and reliable structure.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an assembled replaceable beam-column connecting node structure.
Background
The fabricated concrete frame structure is one of the most common structural systems in fabricated concrete building structural systems, wherein beam-column connection is an important component of the structural system, and the node connection structure and the node connection method directly influence the difficulty and the engineering quality of construction and further influence the stress performance of the structural system. The existing fabricated concrete structure also has the problems of complex construction of connecting nodes, poor integrity and seismic performance, non-replacement and the like, and the sustainable development of the fabricated concrete structure is hindered. Frame beam column nodal connection is that frame roof beam and the crossing node core region of frame post and near region satisfy under its connected node atress performance prerequisite, the removable beam column connected node of development design simple structure, convenient assembled of constructing just seems more important.
Disclosure of Invention
In order to solve the problems, the invention provides an assembled replaceable beam-column connecting node structure.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a removable beam column connected node structure of assembled, includes beam column nodal connection component, removable beam-ends connecting piece, prefabricated roof beam, prefabricated upper prop and prefabricated lower prop, beam column nodal connection component is pre-buried in prefabricated lower prop upper end, the prefabricated upper prop sets up in prefabricated lower prop upper end, beam column nodal connection component's both sides can be dismantled and be connected with removable beam-ends connecting piece, removable beam-ends connecting piece end can be dismantled with prefabricated roof beam respectively and be connected.
Further, the upper end of the prefabricated lower column is provided with a raised tenon structure, the lower end of the prefabricated upper column is provided with a mortise, and the tenon on the prefabricated lower column is inserted into the mortise at the lower end of the prefabricated upper column.
Further, beam column node connecting elements chooses for use I shaped steel, and it includes the web, is fixed in the shaped steel edge of a wing and the embedded nut of web both sides, the embedded nut is fixed in on the shaped steel edge of a wing of both sides.
Further, removable beam-ends connecting piece is including connecting I-steel and connecting piece end plate, it includes top flange, bottom flange and connection web to connect the I-steel, top flange, bottom flange are fixed in the upper and lower both sides of connecting the web respectively, the connecting piece end plate is fixed in the left and right sides of connecting the I-steel, a plurality of bolt hole has been seted up on the connecting piece end plate.
Furthermore, the end part of the precast beam is provided with an end plate, and a nut is fixed on the end plate.
Further, the end plates are anchored in the precast girders by anchoring steel bars.
Furthermore, bolts are connected with the bolt holes in the end plates of the connecting pieces on two sides of the replaceable beam end connecting piece in a threaded mode, and the bolts on two sides are connected with the embedded nuts on the flange of the section steel and the nuts on the end plates respectively.
Furthermore, a plurality of weakening holes are formed in the flange.
Furthermore, the height of the flange of the section steel is the same as that of the end face of the precast beam, and the width of the flange of the section steel is the same as that of the end face of the precast beam.
The invention has the beneficial effects that:
1. the invention has novel design, convenient construction and operation, replaceable node beam end connecting piece, better stress performance and seismic performance of beam-column connecting nodes and capability of ensuring safe and reliable structure.
2. The connection of the node beam column adopts bolt connection through the embedded nut, so that the construction operation is convenient, and the stress is reasonable and reliable.
3. The structural steel is embedded in the core area connected with the beam columns, so that the anti-seismic performance of the node core area can be improved, and the safety and reliability of structural stress are ensured.
4. The upper flange of the I-shaped steel of the connecting piece for replacing the beam end is provided with a plurality of weakening holes, so that the bearing capacity of the beam end is weakened, plastic hinge is ensured to occur at the beam end first when an earthquake occurs in the structure, the structure has enough ductility and energy consumption capacity, the design principle of 'strong column and weak beam' is truly realized, and the earthquake resistance of the structure is improved.
5. The node beam end adopts the replaceable connecting piece, when the beam end is damaged under the action of an earthquake, the connecting piece can be detached and replaced by a new beam end connecting piece, the operation is simple and convenient, and the service life of the structure is prolonged.
6. The prefabricated upper and lower columns are connected in a tenon-and-mortise manner in a similar wood structure, construction operation is convenient, shearing force bearing effect of the tenon part of the prefabricated lower column is increased, and shearing resistance of the upper and lower joints of the prefabricated columns is improved.
Drawings
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a replaceable beam-end connector of the present invention;
FIG. 3 is a cross-sectional view of FIG. 1-1;
fig. 4 is a cross-sectional view of fig. 2-2. (the reference numeral 21 in FIG. 4 is a reinforcing steel bar)
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-4, the assembled replaceable beam-column connecting node structure comprises a beam-column connecting component 1, a replaceable beam-end connecting piece 2, a prefabricated beam 3, a prefabricated upper column 4 and a prefabricated lower column 5, wherein the beam-column connecting component 1 is embedded in the upper end of the prefabricated lower column 5 when being poured, the beam-column connecting component 1 is embedded in a core area connected with a beam column, the anti-seismic performance of the core area of the node can be improved, and the structure is safe and reliable. In addition, the node core space that beam column node connecting elements 1 was located also is 5 important component parts of prefabricated lower prop, has avoided the overlapping of prefabricated beam column reinforcing bar of core space to intersect and is difficult to install and targets in place, has solved the complicated problem of core space construction, also is favorable to the closely knit concrete vibration of core space to ensure beam column core space construction quality.
The prefabricated upper column 4 is arranged at the upper end of the prefabricated lower column 5, the two sides of the beam-column joint connecting component 1 are detachably connected with the replaceable beam-end connecting piece 2, and the tail end of the replaceable beam-end connecting piece 2 is detachably connected with the prefabricated beam 3 respectively; removable beam-ends connecting piece 2 can be dismantled with beam column nodal connection member 1, precast beam 3 and be connected to the dismantlement of later stage is changed.
Referring to fig. 1, the upper end of the prefabricated lower column 5 is provided with a raised tenon 20 structure, the lower end of the prefabricated upper column 4 is provided with a mortise 19, and the tenon on the prefabricated lower column 5 is inserted into the mortise at the lower end of the prefabricated upper column 4. The prefabricated upper and lower columns are connected by the tenon-and-mortise similar to a wood structure, construction operation is convenient, the shearing force bearing effect of the tenon part of the prefabricated lower column is increased, the shearing resisting effect provided by longitudinal steel bars and axial pressure at the joint of the upper and lower columns is solved, and the shearing resisting capability of the column at the joint is improved.
Referring to fig. 1 and 4, the beam-column joint connecting member 1 is made of i-shaped steel, and includes a web 13, steel flanges 12 fixed to two sides of the web 13, and embedded nuts 14, wherein the steel flanges 12 are fixed to the web 13 by welding; the embedded nuts 14 are fixed on the steel flanges 12 on two sides. The height of the section steel flange 12 is the same as that of the end face of the precast beam 3, and the width of the section steel flange 12 is the same as that of the end face of the precast beam 3; namely, the size of the steel flange 12 on the beam column node connecting component 1 is the same as that of the end surface of the precast beam 3.
Referring to fig. 2-3, the replaceable beam end connecting member 2 includes a connecting i-beam and a connecting member end plate 10, the connecting i-beam includes an upper flange 6, a lower flange 7 and a connecting web 8, the upper flange 6 and the lower flange 7 are respectively fixed on the upper side and the lower side of the connecting web 8, and the upper flange 6, the lower flange 7 and the connecting web 8 are fixed by welding. The connecting piece end plate 10 is fixed on the left side and the right side of the connecting I-steel, and a plurality of bolt holes are formed in the connecting piece end plate 10.
Referring to fig. 1, the precast girders 3 are provided at their ends with end plates 16, and nuts 17 are fixed to the end plates 16. Wherein the end plate 16 is anchored in the precast beam 3 by the anchoring steel bar 18; to promote stability of the end plate 16 connection.
Referring to fig. 1, bolts 15 are screwed in bolt holes on the connecting piece end plates 10 on both sides of the replaceable beam end connecting piece 2, and the bolts 15 on both sides are respectively connected with embedded nuts 14 on the flange 12 of the section steel and nuts 17 on the end plates 16. The beam end connecting piece 2 can be replaced and can be respectively and fixedly connected with the beam column node connecting component 1 and the precast beam 3 through the bolts 15, the construction operation is convenient, and the stress is reasonable and reliable. When receiving the earthquake effect and making the beam-ends connecting piece damage, can erect interim steelframe support, demolish removable beam-ends connecting piece, change new beam-ends connecting piece and can make the building drop into use again, it is convenient to change easy operation, improves structure service life.
Referring to fig. 2-3, the replaceable beam end connector 2 has a plurality of weakening holes 9 formed in the upper flange 6 of the i-beam. The bearing capacity of the I-shaped steel 2 of the connecting piece is weakened, plastic hinge is ensured to occur at the beam end first when the structure is in earthquake, the structure has enough ductility and energy consumption capacity, the design principle of 'strong column and weak beam' is really realized, and the earthquake resistance of the structure is improved.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a removable beam column connected node structure of assembled, its characterized in that, includes beam column nodal connection component (1), removable beam-ends connecting piece (2), precast beam (3), prefabricated upper prop (4) and prefabricated lower prop (5), beam column nodal connection component (1) is pre-buried in prefabricated lower prop (5) upper end, prefabricated upper prop (4) set up in prefabricated lower prop (5) upper end, the both sides of beam column nodal connection component (1) can be dismantled and be connected with removable beam-ends connecting piece (2), removable beam-ends connecting piece (2) end can be dismantled with precast beam (3) respectively and be connected.
2. An assembled replaceable beam-column connection node structure according to claim 1, characterized in that the upper end of the prefabricated lower column (5) is provided with a raised tenon (20) structure, the lower end of the prefabricated upper column (4) is provided with a mortise (19), and the tenon on the prefabricated lower column (5) is inserted into the mortise at the lower end of the prefabricated upper column (4).
3. The assembled replaceable beam-column connecting joint structure as claimed in claim 1, wherein the beam-column joint connecting member (1) is made of i-shaped steel, and comprises a web (13), steel flanges (12) fixed to two sides of the web (13), and embedded nuts (14), and the embedded nuts (14) are fixed to the steel flanges (12) on the two sides.
4. The assembled replaceable beam-column connecting node structure as claimed in claim 3, wherein the replaceable beam-end connecting part (2) comprises a connecting I-beam and a connecting-part end plate (10), the connecting I-beam comprises an upper flange (6), a lower flange (7) and a connecting web (8), the upper flange (6) and the lower flange (7) are respectively fixed on the upper side and the lower side of the connecting web (8), the connecting-part end plate (10) is fixed on the left side and the right side of the connecting I-beam, and a plurality of bolt holes are formed in the connecting-part end plate (10).
5. An assembled replaceable beam-column connection node structure according to claim 4, characterized in that the end of the precast beam (3) is provided with an end plate (16), and a nut (17) is fixed on the end plate (16).
6. An assembled replaceable beam-column connection node structure as claimed in claim 5, characterised in that the end plates (16) are anchored in the precast beams (3) by means of anchoring bars (18).
7. The assembled replaceable beam-column connecting joint structure as claimed in claim 5, wherein bolts (15) are connected to bolt holes on end plates (10) of connecting members on two sides of the replaceable beam-end connecting member (2) in a threaded manner, and the bolts (15) on two sides are respectively connected with embedded nuts (14) on the flange (12) of the section steel and nuts (17) on the end plates (16).
8. An assembled replaceable beam-column connecting joint structure as claimed in claim 4, wherein the flanges (6) are provided with weakening holes (9).
9. An assembled replaceable beam-column connecting joint structure as claimed in claim 1, wherein the height of the section steel flange (12) is the same as the height of the end face of the precast beam (3), and the width of the section steel flange (12) is the same as the width of the end face of the precast beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567809.7A CN115126320A (en) | 2022-05-24 | 2022-05-24 | Assembled replaceable beam-column connecting node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567809.7A CN115126320A (en) | 2022-05-24 | 2022-05-24 | Assembled replaceable beam-column connecting node structure |
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| Publication Number | Publication Date |
|---|---|
| CN115126320A true CN115126320A (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210567809.7A Pending CN115126320A (en) | 2022-05-24 | 2022-05-24 | Assembled replaceable beam-column connecting node structure |
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| Country | Link |
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| CN (1) | CN115126320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116432282A (en) * | 2023-03-29 | 2023-07-14 | 金陵科技学院 | Design method of quick-release mortise and tenon type bolting precast beam column node of controllable plastic hinge |
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| JP2008175004A (en) * | 2007-01-19 | 2008-07-31 | Takenaka Komuten Co Ltd | Seismic response control member and seismic response control building used for boundary beam |
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| CN108571071A (en) * | 2018-07-11 | 2018-09-25 | 上海应用技术大学 | Prefabricated PC beams of concrete column connected node and construction method |
| CN209040284U (en) * | 2018-10-25 | 2019-06-28 | 安徽建筑大学 | A kind of beams of concrete column connected node assembled using high-strength bolt |
| CN110016963A (en) * | 2019-04-01 | 2019-07-16 | 广州大学 | A kind of assembled connecting node and its construction method |
| CN110230369A (en) * | 2019-07-03 | 2019-09-13 | 厦门源昌城建集团有限公司 | A kind of assembles post and its joggle construction method |
| CN110453782A (en) * | 2019-07-03 | 2019-11-15 | 中建科技有限公司 | With the steel reinforced concrete beam-column connection and its construction method for weakening segment |
| CN113073736A (en) * | 2021-03-11 | 2021-07-06 | 广州大学 | Assembled beam column connected node |
| CN213773782U (en) * | 2020-11-20 | 2021-07-23 | 沈阳建筑大学 | Replaceable assembled energy-consuming beam column joint |
-
2022
- 2022-05-24 CN CN202210567809.7A patent/CN115126320A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175004A (en) * | 2007-01-19 | 2008-07-31 | Takenaka Komuten Co Ltd | Seismic response control member and seismic response control building used for boundary beam |
| CN205776734U (en) * | 2016-05-15 | 2016-12-07 | 吴从晓 | A kind of assembly concrete connecting structure of beam column nodes |
| CN108571071A (en) * | 2018-07-11 | 2018-09-25 | 上海应用技术大学 | Prefabricated PC beams of concrete column connected node and construction method |
| CN209040284U (en) * | 2018-10-25 | 2019-06-28 | 安徽建筑大学 | A kind of beams of concrete column connected node assembled using high-strength bolt |
| CN110016963A (en) * | 2019-04-01 | 2019-07-16 | 广州大学 | A kind of assembled connecting node and its construction method |
| CN110230369A (en) * | 2019-07-03 | 2019-09-13 | 厦门源昌城建集团有限公司 | A kind of assembles post and its joggle construction method |
| CN110453782A (en) * | 2019-07-03 | 2019-11-15 | 中建科技有限公司 | With the steel reinforced concrete beam-column connection and its construction method for weakening segment |
| CN213773782U (en) * | 2020-11-20 | 2021-07-23 | 沈阳建筑大学 | Replaceable assembled energy-consuming beam column joint |
| CN113073736A (en) * | 2021-03-11 | 2021-07-06 | 广州大学 | Assembled beam column connected node |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116432282A (en) * | 2023-03-29 | 2023-07-14 | 金陵科技学院 | Design method of quick-release mortise and tenon type bolting precast beam column node of controllable plastic hinge |
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