CN212358588U - Assembled concrete frame structure primary and secondary beam node connection - Google Patents
Assembled concrete frame structure primary and secondary beam node connection Download PDFInfo
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- CN212358588U CN212358588U CN202020483356.6U CN202020483356U CN212358588U CN 212358588 U CN212358588 U CN 212358588U CN 202020483356 U CN202020483356 U CN 202020483356U CN 212358588 U CN212358588 U CN 212358588U
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Abstract
The utility model relates to a primary and secondary beam node connection of an assembly type concrete frame structure; stress steel bars are arranged in the bearing columns and connected with the main beams, beam connecting pieces are embedded in the middle of the main beams, and the embedded beam connecting pieces are fixed with a steel bar cage in the main beams; u-shaped connecting pieces are embedded in the left end and the right end of the secondary beam, and concave-shaped connecting plates are connected through bolts and fixed with the inter-beam connecting pieces so as to connect the main beam with the secondary beam; the lower end part and the left and right side end parts of the prefabricated shear wall are provided with wall overhanging steel bars; the prefabricated shear wall is connected with the bearing column and the main beam through the external extending steel bars on the wall. The utility model has high assembly degree, convenient construction and installation, less wet operation construction, excellent stress performance and definite force transmission; the rigidity of the concrete frame structure is guaranteed, batch production and field assembly are facilitated, and the field construction efficiency is improved.
Description
Technical Field
The utility model relates to an assembled concrete frame structure primary and secondary beam nodal connection belongs to building industrialization, assembled concrete frame structure building technical field.
Background
The prefabricated structure can save energy, water and materials, greatly reduces construction waste, reduces noise pollution, reduces labor force consumption and strength, effectively improves construction environment, improves engineering quality, and is a structure worthy of vigorous popularization. The prefabricated frame shear wall structure is a very important structural form, and is being developed vigorously at home and abroad at present. However, how to ensure the safety of the prefabricated structure under strong earthquake is a challenging problem. The difficulty is how to ensure the reliability and convenience of connection between the modules of the prefabricated structure and how to enhance the stability of the prefabricated structure. Although the reliability and convenience of connection can be realized through various construction modes in the existing partially prefabricated shear wall, most of the existing partially prefabricated shear wall has poor reliability and convenience, and the safety of the structure under strong earthquake is difficult to effectively guarantee. Therefore, the development of the joint connection of the main beam and the secondary beam of the fabricated concrete frame structure is urgent and particularly significant.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that above-mentioned existence, connect the reliability poor, the stability can be poor, the utility model provides an assembled concrete frame structure primary and secondary roof beam nodal connection.
The utility model adopts the technical scheme as follows:
the primary and secondary beam node connection of the assembly type concrete frame structure comprises bearing columns, a main beam, prefabricated shear walls, beam connectors, bolts, connecting steel bars, vertical connecting steel bars, short ribs extending outwards from the columns, a steel bar cage, bolt holes, secondary beams, a combined steel bar cage and a shear-resistant base plate;
a reinforcement cage is arranged in the bearing column and connected with the main beam, and a row of short ribs extending outwards from the column are embedded in the left end part and the right end part of the bearing column respectively;
girder inside arranges the steel reinforcement cage, at the pre-buried inter-beam connecting piece of girder intermediate position, wherein: the pre-embedded inter-beam connecting piece is fixed with a reinforcement cage inside the main beam, and concrete is poured together to form the main beam in a prefabricated mode;
u-shaped connecting pieces are embedded in the left end and the right end of the secondary beam, and concave-shaped connecting plates are connected through bolts and fixed with the inter-beam connecting pieces so as to connect the main beam with the secondary beam;
the prefabricated shear wall is connected with the bearing column through the vertical connecting steel bars; the vertical connecting steel bars penetrate through the combined reinforcement cage and are bound inside the combined reinforcement cage by the iron wires; pouring concrete at the joint of the prefabricated shear wall and the bearing column;
the prefabricated shear wall is connected with the main beam through the connecting steel bars, and concrete is poured at the connecting position of the prefabricated shear wall and the main beam.
The connecting piece between the beams is further composed of an upper fixing plate, an upper fixing groove, a middle fixing groove, a lower fixing plate, an upper fixing groove, bolt holes and a connecting piece main body, wherein the upper fixing plate is enclosed into the upper fixing groove, the bolt holes are reserved in the corresponding positions of the upper fixing plate and the lower fixing plate, and the bolt holes are reserved in the corresponding positions of the lower fixing plate and the upper fixing plate; the side view of the connecting piece between the beams is an I-shaped member, namely, the lower fixing groove extends outwards far than the upper fixing groove, and the upper fixing groove and the lower fixing groove form a middle fixing groove in a surrounding mode.
The anti-shearing backing plate is in two forms of a concave anti-shearing backing plate and a cross anti-shearing backing plate; two concave anti-shear liner plates are arranged on the lower side of the upper fixing groove, and a cross anti-shear liner plate is arranged on the lower side of the lower fixing groove.
And further, a protruding concrete clamping tenon is prefabricated at the middle upper part of the left end part and the right end part of the secondary beam, a pre-embedded U-shaped connecting piece is arranged at the lower side of the concrete clamping tenon, a concave-shaped connecting plate is pre-embedded at the upper side of the concrete clamping tenon, and the pre-embedded U-shaped connecting piece is composed of a deep-concave-shaped connecting plate and a short limb.
The secondary beam is further connected with the beam connecting piece through a bolt; the concave connecting plate on the upper side of the end part of the secondary beam is inserted into the upper fixing groove and is fixed by bolts; the U-shaped connecting piece at the lower side of the end part of the secondary beam is inserted into the lower fixing groove and fixed by a bolt, and the short limb covers the upper side of the lower fixing plate; the concrete tenon in the middle of the end part of the secondary beam is inserted into the middle fixing groove, and the middle concrete tenon covers the upper side of the short limb.
And further, the lower fixing groove is matched with the U-shaped connecting piece in the bolt hole position reserved by the upper fixing groove and the concave connecting plate.
And further forming the concrete column by pouring concrete through a combined reinforcement cage and connecting reinforcements at the joint of the prefabricated shear wall and the bearing column.
Further, the beam-to-beam connecting piece is a hollow component.
The utility model has the advantages that:
the utility model has high assembly degree, convenient construction and installation, less wet operation construction, excellent stress performance and definite force transmission; the concrete frame structure has the advantages that the mass production and the field assembly are facilitated while the structural rigidity of the concrete frame is guaranteed, the field construction efficiency is improved, the problems that the assembly positioning is difficult, the node connection is not reliable enough and the like in the assembly type connection are effectively solved, and the reliability of the node connection is guaranteed.
Drawings
FIG. 1 is a schematic view of a primary and secondary beam joint connection structure of an assembled concrete frame structure;
FIG. 2 is a front view of a primary and secondary beam joint connection of an assembled concrete frame structure;
FIG. 3 is a schematic view of a structure of a load-bearing column and a main beam;
FIG. 4 is a schematic structural diagram of the beam-to-beam connector (1);
FIG. 5 is a schematic view of the structure of the beam-to-beam connector (2);
FIG. 6 is a schematic view of a shear pad structure
FIG. 7 is a schematic view showing the connection between the shear pad and the beam
FIG. 8 is a schematic view of the connection of the reinforcement cage to the main beam;
FIG. 9 is a schematic view of the connection between the beam connectors and the main beam;
FIG. 10 is a schematic view of a secondary beam configuration;
FIG. 11 is a front view of FIG. 10;
FIG. 12 is a side view of FIG. 10;
FIG. 13 is a detail view of one end of FIG. 10;
FIG. 14 is a schematic view of a primary and secondary beam connection;
FIG. 15 is a side view of FIG. 14;
in the figure: 1 is a bearing column; 2 is a main beam; 3, prefabricating a shear wall; 4 is a beam-to-beam connecting piece; 5 is a bolt; 6 is a connecting steel bar; 7 is a vertical connecting steel bar; 8 is a short rib extending outwards from the column; 9 is a reinforcement cage; 10 is a bolt hole; 11 is a secondary beam; 12 is a combined reinforcement cage, and 13 is a shear-resistant base plate;
4-1 is an upper fixing plate; 4-2 is an upper fixing groove; 4-3 is a middle fixed groove; 4-4 is a lower fixing plate 4-5 is a lower fixing groove; 11-1 is a concrete clamping tenon; 11-3 is a U-shaped connecting piece; 11-2 is a concave connecting plate; 11-3-2 is a deep concave connecting plate; 11-3-1 is short limb; 13-1 is a concave shear pad; 13-2 is a cross-shaped shear pad.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
As can be seen from fig. 1 to 15: the shear wall comprises a bearing column 1, a main beam 2, a prefabricated shear wall 3, an inter-beam connecting piece 4, bolts 5, connecting steel bars 6, vertical connecting steel bars 7, short bars 8 extending outwards on the column, a steel bar cage 9, bolt holes 10, secondary beams 11, a combined steel bar cage 12 and a shear-resistant base plate 13.
The inter-beam connecting piece 4 consists of an upper fixing plate 4-1, an upper fixing groove 4-2, a middle fixing groove 4-3, a lower fixing plate 4-4, a lower fixing groove 4-5, bolt holes 10 and a connecting piece main body, wherein the upper fixing plate 4-1 is encircled to form the upper fixing groove 4-2, the bolt holes 10 are reserved at corresponding positions on the upper fixing plate 4-2, and the lower fixing plate 4-3 is encircled to form the lower fixing groove 4-5, and the bolt holes 10 are reserved at corresponding positions on the lower fixing plate 4-3; the side view of the beam-to-beam connecting piece 4 is an I-shaped component, namely, the lower fixing groove 4-5 extends outwards far than the upper fixing groove 4-2, and the upper fixing groove 4-2 and the lower fixing groove 4-5 enclose a middle fixing groove 4-3.
The shear pad plate 13 is formed by a concave shear pad plate 13-1 and a cross shear pad plate 13-2; two concave shear pads 13-1 are arranged on the lower side of the upper fixing groove 4-2, and a cross shear pad 13-2 is arranged on the lower side of the lower fixing groove 4-5.
A protruding concrete clamping tenon 11-1 is prefabricated in the middle upper portion of the left end portion and the right end portion of the secondary beam 11, an embedded U-shaped connecting piece 11-3 is arranged on the lower side of the concrete clamping tenon 11-1, a concave-shaped connecting plate 11-2 is embedded on the upper side of the concrete clamping tenon, and the embedded U-shaped connecting piece 11-3 is composed of a deep concave-shaped connecting plate 11-3-2 and a short limb 11-3-1.
The secondary beam 11 is connected with the beam-to-beam connecting piece 4 through a bolt 5; wherein, the concave connecting plate 11-2 at the upper side of the end part of the secondary beam 11 is inserted into the upper fixing groove 4-2 and is fixed by the bolt 5; the U-shaped connecting piece 11-3 at the lower side of the end part of the secondary beam 11 is inserted into the lower fixing groove 4-5 and is fixed by the bolt 5, and the short limb 11-3-1 covers the upper side of the lower fixing plate 4-4; the concrete tenon 11-1 in the middle of the end part of the secondary beam 11 is inserted into the middle fixing groove 4-3, and the middle concrete tenon 11-1 covers the upper side of the short limb 11-3-1.
The inside steel reinforcement cage 9 that arranges of heel post 1 is connected with girder 2, and the tip is respectively pre-buried overhanging short muscle 8 on a row of post about heel post 1.
2 inside arrangement steel reinforcement cage 9 of girder, connecting piece 4 between 2 intermediate positions pre-buried roof beams of girder, wherein: the pre-embedded inter-beam connecting piece 4 is fixed 9 with a reinforcement cage inside the main beam 2, and concrete is poured together to form the main beam 2 in a prefabricated mode.
U-shaped connecting pieces embedded at the left end and the right end of the secondary beam 11 and concave-shaped connecting plates are connected through bolts 5 and fixed with the inter-beam connecting pieces 4, so that the main beam 2 is connected with the secondary beam 11.
The prefabricated shear wall 3 is connected with the bearing column 1 through a vertical connecting steel bar 7; the wall connecting steel bars 6 arranged on the left side and the right side of the prefabricated shear wall 3 are lapped with the column overhanging short bars 8 and are bound by iron wires to form a combined steel bar cage 12, and the vertical connecting steel bars 7 penetrate through the combined steel bar cage 12 and are bound inside the combined steel bar cage by the iron wires; and concrete is poured at the joint of the prefabricated shear wall 3 and the bearing column 1.
The prefabricated shear wall 3 is connected with the main beam 2 through the connecting steel bars 6, and concrete is poured at the connection position of the prefabricated shear wall 3 and the main beam 2.
Assembled concrete frame structure primary and secondary beam nodal connection, its characterized in that: the lower fixing groove 4-5 is matched with the U-shaped connecting piece 11-3 and the bolt hole 10 reserved in the upper fixing groove 4-2 and the concave connecting plate 11-2.
And the combined reinforcement cage 12 and the connecting reinforcement 7 at the joint of the precast shear wall 3 and the bearing column 1 are poured by concrete to form a concrete column.
The inter-beam connection 4 is a hollow member.
Claims (8)
1. Assembled concrete frame structure primary and secondary beam nodal connection, its characterized in that: the combined type shear wall comprises bearing columns (1), main beams (2), prefabricated shear walls (3), beam-to-beam connectors (4), bolts (5), connecting steel bars (6), vertical connecting steel bars (7), short ribs (8) extending outwards from the columns, steel bar cages (9), bolt holes (10), secondary beams (11) and combined steel bar cages (12);
a reinforcement cage (9) is arranged in the bearing column (1) and connected with the main beam (2), and a row of column upper extending short ribs (8) are embedded in the left end part and the right end part of the bearing column (1) respectively;
girder (2) inside arrangement steel reinforcement cage (9), connecting piece (4) between girder (2) intermediate position pre-buried roof beam, wherein: the pre-embedded inter-beam connecting piece (4) is fixed with a reinforcement cage (9) in the main beam (2), and concrete is poured together to form the main beam (2);
u-shaped connecting pieces are embedded at the left end and the right end of the secondary beam (11), and concave-shaped connecting plates are connected through bolts (5) and fixed with the inter-beam connecting pieces (4) together so as to connect the main beam (2) with the secondary beam (11);
the prefabricated shear wall (3) is connected with the bearing column (1) through a vertical connecting steel bar (7); the wall connecting reinforcements (6) arranged on the left side and the right side of the prefabricated shear wall (3) are lapped with the column overhanging short reinforcements (8) together and are bound by iron wires to form a combined reinforcement cage (12), and the vertical connecting reinforcements (7) penetrate through the combined reinforcement cage (12) and are bound inside the combined reinforcement cage by the iron wires; pouring concrete at the joint of the prefabricated shear wall (3) and the bearing column (1);
the prefabricated shear wall (3) is connected with the main beam (2) through the connecting steel bars (6), and concrete is poured at the joint of the prefabricated shear wall (3) and the main beam (2).
2. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 1, further comprising: the beam-to-beam connecting piece (4) is composed of an upper fixing plate (4-1), an upper fixing groove (4-2), a middle fixing groove (4-3), a lower fixing plate (4-4), a lower fixing groove (4-5), bolt holes (10) and a connecting piece main body, wherein the upper fixing plate (4-1) surrounds the upper fixing groove (4-2) and the bolt holes (10) are reserved at corresponding positions on the plate, and the lower fixing plate (4-3) surrounds the lower fixing groove (4-5) and the bolt holes (10) are reserved at corresponding positions on the plate; the side view of the beam-to-beam connecting piece (4) is an I-shaped component, namely the lower fixing groove (4-5) extends outwards far than the upper fixing groove (4-2), and the upper fixing groove (4-2) and the lower fixing groove (4-5) enclose a middle fixing groove (4-3).
3. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 1, further comprising: the shear-resistant pad plate (13) is formed by a concave shear-resistant pad plate (13-1) and a cross shear-resistant pad plate (13-2); two concave shear pads (13-1) are arranged on the lower side of the upper fixing groove (4-2), and a cross shear pad (13-2) is arranged on the lower side of the lower fixing groove (4-5).
4. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 1, further comprising: a protruding concrete clamping tenon (11-1) is prefabricated in the middle upper portion of the left end portion and the right end portion of the secondary beam (11), an embedded U-shaped connecting piece (11-3) is arranged on the lower side of the concrete clamping tenon (11-1), a concave connecting plate (11-2) is embedded on the upper side of the concrete clamping tenon, and the embedded U-shaped connecting piece (11-3) is composed of a deep concave connecting plate (11-3-2) and a short limb (11-3-1).
5. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 1, further comprising: the secondary beam (11) is connected with the beam connecting piece (4) through a bolt (5); wherein the concave connecting plate (11-2) at the upper side of the end part of the secondary beam (11) is inserted into the upper fixing groove (4-2) and is fixed by a bolt (5); the U-shaped connecting piece (11-3) at the lower side of the end part of the secondary beam (11) is inserted into the lower fixing groove (4-5) and is fixed by the bolt (5), and the short limb (11-3-1) covers the upper side of the lower fixing plate (4-4); the concrete clamping tenon (11-1) in the middle of the end part of the secondary beam (11) is inserted into the middle fixing groove (4-3), and the middle concrete clamping tenon (11-1) covers the upper side of the short limb (11-3-1).
6. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 5, wherein: the lower fixing groove (4-5) is matched with the U-shaped connecting piece (11-3) in position with a bolt hole (10) reserved in the upper fixing groove (4-2) and the concave connecting plate (11-2).
7. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 1, further comprising: and a combined reinforcement cage (12) and connecting reinforcements (7) at the joint of the prefabricated shear wall (3) and the bearing column (1) are poured by concrete to form the concrete column.
8. A fabricated concrete frame structure primary and secondary beam nodal connection in accordance with claim 2, further comprising: the beam-to-beam connecting piece (4) is a hollow component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483356.6U CN212358588U (en) | 2020-04-07 | 2020-04-07 | Assembled concrete frame structure primary and secondary beam node connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483356.6U CN212358588U (en) | 2020-04-07 | 2020-04-07 | Assembled concrete frame structure primary and secondary beam node connection |
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| Publication Number | Publication Date |
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| CN212358588U true CN212358588U (en) | 2021-01-15 |
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| CN202020483356.6U Expired - Fee Related CN212358588U (en) | 2020-04-07 | 2020-04-07 | Assembled concrete frame structure primary and secondary beam node connection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270765A (en) * | 2020-04-07 | 2020-06-12 | 沈阳促晋科技有限公司 | Assembled concrete frame structure primary and secondary beam node connection |
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- 2020-04-07 CN CN202020483356.6U patent/CN212358588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270765A (en) * | 2020-04-07 | 2020-06-12 | 沈阳促晋科技有限公司 | Assembled concrete frame structure primary and secondary beam node connection |
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Granted publication date: 20210115 |