CN211007040U - Beam column node in assembled concrete frame structure - Google Patents

Beam column node in assembled concrete frame structure Download PDF

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Publication number
CN211007040U
CN211007040U CN201921655165.7U CN201921655165U CN211007040U CN 211007040 U CN211007040 U CN 211007040U CN 201921655165 U CN201921655165 U CN 201921655165U CN 211007040 U CN211007040 U CN 211007040U
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China
Prior art keywords
column
precast
prefabricated
concrete frame
node
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Active
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CN201921655165.7U
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Chinese (zh)
Inventor
陆悦椿
宋培
邹道领
夏磊
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Shendu Design Group Co ltd
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Shendu Design Group Co ltd
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Abstract

The utility model discloses a beam column node among assembled concrete frame structure relates to the construction technical field, specifically is a beam column node among assembled concrete frame structure, including prefabricated post, prefabricated roof beam has been placed at the top of prefabricated post, the inside of prefabricated post is equipped with the split bolt, run through the inside of prefabricated post and extend to the outside of prefabricated post to the one end of split bolt, the fixed steel sleeve that has cup jointed to the outside of split bolt, the top of prefabricated roof beam is provided with the stirrup. This beam column node in assembled concrete frame structure sets up the angle steel sheet through four angles at the connected node of precast column and precast beam, makes the nuclear core area deformation of angle steel sheet restraint as the structure power consumption piece, has improved the stress state and the deformation mode of structure, makes the structure form more reasonable damage yield mechanism to the shock resistance that makes the beam column connection structure in the traditional concrete frame obtains more abundant utilization.

Description

Beam column node in assembled concrete frame structure
Technical Field
The utility model relates to a construction technical field specifically is a beam column node in assembled concrete frame structure.
Background
The building industry is a basic industry of China, and the building industry is rapidly developed along with the acceleration of the urbanization process. The reinforced concrete is an indispensable important component in the construction process of modern building engineering, and the application of the reinforced concrete technology cannot be separated in the construction process. Which is directly related to the overall quality of the construction project. The reinforced concrete technology is scientifically and reasonably applied by combining the concrete conditions of the construction engineering so as to improve the overall performance and construction quality of the construction engineering. With the progress of science and technology, modern buildings are continuously developed towards high-rise, large-span, underground and ocean. The high-strength concrete has the advantages of good durability, high strength, small deformation and the like, can adapt to the requirements of modern engineering structures on large span, heavy load, high-rise development and severe environmental conditions bearing, and can reduce the section of a member, increase the using area and reduce the construction cost, thereby being widely applied and obtaining obvious technical and economic benefits.
The structure form of the assembly type building which is mainly used for buildings such as large-space plants, markets, schools and the like is an assembly type frame structure. The prefabricated concrete structure is one of the important directions for the development of building structures in China, is beneficial to the development of industrialization of buildings in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and ensuring the quality of building engineering.
The understanding of the assembled concrete frame structure in China is slightly insufficient compared with that in foreign countries, particularly, the difference is obvious in the research of the anti-seismic performance, the application of the assembled concrete frame structure in a seismic region is limited, and therefore a beam-column node in the assembled concrete frame structure is provided.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a beam column node among assembled concrete frame structure has solved the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a beam column node among assembled concrete frame structure, includes prefabricated post, prefabricated roof beam has been placed at the top of prefabricated post, the inside of prefabricated post is equipped with split bolt, the one end of split bolt runs through the inside of prefabricated post and extends to the outside of prefabricated post, the fixed steel sleeve that has cup jointed in the outside of split bolt, the top of prefabricated roof beam is provided with the stirrup, the top of prefabricated post is provided with the angle steel sheet, the junction packing of prefabricated post and prefabricated roof beam has cast in situ concrete, cast in situ concrete's surface is equipped with the mortar.
Optionally, the number of the angle steel sheets is four, and the angle steel sheets are located at the joints of the precast columns and the precast beams and are respectively located at four corners of the joints.
Optionally, the stirrup is set to be U-shaped, and two ends of the stirrup are respectively located inside the precast beam.
Optionally, a reinforcing steel bar embedded part is arranged inside the prefabricated column, one end of the reinforcing steel bar embedded part extends to the outer side of the prefabricated column, and a clip-shaped fastening rib located outside the prefabricated column is arranged on the side face of the reinforcing steel bar embedded part.
Optionally, the upper end of the precast beam is provided with a joist connecting piece.
The utility model provides a beam column node among assembled concrete frame structure possesses following beneficial effect:
1. this beam column node in assembled concrete frame structure sets up the angle steel sheet through four angles at the connected node of precast column and precast beam, makes the nuclear core area deformation of angle steel sheet restraint as the structure power consumption piece, has improved the stress state and the deformation mode of structure, makes the structure form more reasonable damage yield mechanism to the shock resistance that makes the beam column connection structure in the traditional concrete frame obtains more abundant utilization.
2. This beam column node in assembled concrete frame structure through set up reinforcing bar built-in fitting and time shape fastening muscle and set up the stirrup on the precast beam in the inside of precast column, has reduced the shear force effect of beam column junction in this concrete frame structure, and the joist connecting piece that sets up on the precast beam has the effect of bearing partial shear force and the partial moment of flexure when precast beam end contact surface rotates simultaneously to the shear resistance of this beam column node has been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. prefabricating a column; 2. prefabricating a beam; 3. angle steel sheets; 4. hooping; 5. a steel sleeve; 6. casting concrete in situ; 7. mortar; 8. oppositely pulling the bolts; 9. embedding a steel bar into a part; 10. a clip-shaped fastening rib; 11. joist connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a beam column node among assembled concrete frame structure, including prefabricated post 1, prefabricated beam 2 has been placed at the top of prefabricated post 1, the inside of prefabricated post 1 is equipped with split bolt 8, the one end of split bolt 8 runs through the inside of prefabricated post 1 and extends to the outside of prefabricated post 1, steel sleeve 5 has been cup jointed to split bolt 8's external fixation, steel sleeve 5 and split bolt 8 are used for prefabricated post 1 and the prefabricated columnar connection of top, the top of prefabricated beam 2 is provided with stirrup 4, the top of prefabricated post 1 is provided with angle steel sheet 3, prefabricated post 1 and prefabricated beam 2's junction packing has cast in situ concrete 6, the surface of cast in situ concrete 6 is equipped with mortar 7, mortar 7 is used for floating cast in situ concrete 6's surface, and be used for protecting cast in situ concrete 6, reduce cast in situ concrete 6's damage and corruption.
Wherein, angle steel piece 3's quantity is four, and angle steel piece 3 is located prefabricated 1 and 2 junctions of precast beam and is located the four corners of junction respectively, and the node core space of angle steel piece 3 restraint warp as the energy consumption of structure spare.
Wherein, stirrup 4 sets up to U type and stirrup 4's both ends are located precast beam 2's inside respectively, and precast beam 2 end adopts stirrup 4 for reduce the shear force effect.
Wherein, the inside of prefabricated post 1 is provided with reinforcing bar built-in fitting 9, and the one end of reinforcing bar built-in fitting 9 extends to the outside of prefabricated post 1, and the side of reinforcing bar built-in fitting 9 is provided with the shape fastening muscle 10 that returns that is located the outside of prefabricated post 1, and reinforcing bar built-in fitting 9 uses with the cooperation of returning shape fastening muscle 10 for it is fixed to alternate and utilize cast in situ concrete 6 to pour into a mould with the joist connecting piece 11 of precast beam 2, guarantees the stability that prefabricated post 1 and precast beam 2 are connected.
The upper end of the precast beam 2 is provided with a joist connecting piece 11, the joist connecting piece 11 extends into the space between a steel bar embedded part 9 and a clip fastening bar 10 above the top of the precast column 1 and is used for bearing partial shearing force and partial bending moment when the contact surface of the precast beam end rotates, and the precast column 1 and the precast beam 2 are kept stable when cast-in-place concrete 6 is poured into the joint of the precast column 1 and the precast beam 2.
In conclusion, when the beam-column joint in the assembly type concrete frame structure is used, firstly, the precast beam 2 is close to the top end of the precast column 1, the joist connecting piece 11 is inserted between the steel bar embedded part 9 and the clip-shaped fastening bar 10 at the top of the precast column 1, secondly, cast-in-place concrete 6 is poured into the joint of the precast column 1 and the precast beam 2, then mortar 7 is coated on the surface of the cast-in-place concrete 6, and the split bolt 8 of the precast column above penetrates into the steel sleeve 5 to be fixed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a beam column node among assembled concrete frame structure, includes prefabricated post (1), its characterized in that: precast beam (2) have been placed at the top of precast column (1), the inside of precast column (1) is equipped with split bolt (8), the one end of split bolt (8) runs through the inside of precast column (1) and extends to the outside of precast column (1), steel sleeve (5) have been cup jointed to the external fixation of split bolt (8), the top of precast beam (2) is provided with stirrup (4), the top of precast column (1) is provided with angle steel sheet (3), the junction of precast column (1) and precast beam (2) is filled with cast in situ concrete (6), the surface of cast in situ concrete (6) is equipped with mortar (7).
2. A fabricated concrete frame structure center beam column node in accordance with claim 1, wherein: the number of the angle steel sheets (3) is four, and the angle steel sheets (3) are located at the joints of the prefabricated columns (1) and the prefabricated beams (2) and are respectively located at four corners of the joints.
3. A fabricated concrete frame structure center beam column node in accordance with claim 1, wherein: the stirrup (4) is set to be U-shaped, and two ends of the stirrup (4) are respectively located inside the precast beam (2).
4. A fabricated concrete frame structure center beam column node in accordance with claim 1, wherein: the prefabricated column is characterized in that a steel bar embedded part (9) is arranged inside the prefabricated column (1), one end of the steel bar embedded part (9) extends to the outer side of the prefabricated column (1), and a clip-shaped fastening rib (10) located outside the prefabricated column (1) is arranged on the side face of the steel bar embedded part (9).
5. A fabricated concrete frame structure center beam column node in accordance with claim 1, wherein: and the upper end of the precast beam (2) is provided with a joist connecting piece (11).
CN201921655165.7U 2019-09-30 2019-09-30 Beam column node in assembled concrete frame structure Active CN211007040U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921655165.7U CN211007040U (en) 2019-09-30 2019-09-30 Beam column node in assembled concrete frame structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921655165.7U CN211007040U (en) 2019-09-30 2019-09-30 Beam column node in assembled concrete frame structure

Publications (1)

Publication Number Publication Date
CN211007040U true CN211007040U (en) 2020-07-14

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CN201921655165.7U Active CN211007040U (en) 2019-09-30 2019-09-30 Beam column node in assembled concrete frame structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112814151A (en) * 2020-12-30 2021-05-18 南京航空航天大学 Connecting method of basic magnesium sulfate cement concrete assembled frame nodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112814151A (en) * 2020-12-30 2021-05-18 南京航空航天大学 Connecting method of basic magnesium sulfate cement concrete assembled frame nodes

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