CN215053883U - Precast concrete beam column connection structure - Google Patents
Precast concrete beam column connection structure Download PDFInfo
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- CN215053883U CN215053883U CN202121499443.1U CN202121499443U CN215053883U CN 215053883 U CN215053883 U CN 215053883U CN 202121499443 U CN202121499443 U CN 202121499443U CN 215053883 U CN215053883 U CN 215053883U
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 108
- 239000010959 steel Substances 0.000 claims abstract description 108
- 239000004567 concrete Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a precast concrete beam column connecting structure, which comprises a precast concrete column, a precast concrete beam A and a precast concrete beam B; an H-shaped slot is pre-buried and fixed in the middle of the precast concrete column; the H-shaped slot consists of two slots and a connecting channel; the outer side surfaces of the two slots are provided with vertical slot long holes; two U-shaped steel cores are pre-buried and fixed in the precast concrete beam A; two single-sheet end parts at one end of the two U-shaped steel cores are inserted into two slots of the H-shaped slot; the end part of the U-shaped steel core single sheet is provided with a vertical U-shaped steel core long-strip hole; an I-shaped steel core is pre-buried and fixed in the precast concrete beam B; under the state that the end part of the U-shaped steel core is inserted into the H-shaped slot, the I-shaped steel core can be inserted into the H-shaped slot from the slot long-strip hole, the U-shaped steel core long-strip hole and the connecting channel and extends out of the H-shaped slot. The utility model has the advantages that adopt the dry-type to connect, on-the-spot work load is little, connects reliably, passes power clearly and definitely, and the wholeness is good.
Description
Technical Field
The utility model belongs to the technical field of the building, a connection structure is related to, especially, relate to a precast concrete beam column connection structure.
Background
The prefabricated concrete building is gradually developed in the fifth and sixty years of the 20 th century in China, and the design and construction technology of the prefabricated concrete building is researched to form a series of prefabricated concrete building systems. In the 80 s, the application of the fabricated concrete building reaches the peak, and a fabricated concrete industrial building mode integrating design, production, construction and installation is formed in many regions in China. Precast concrete buildings and masonry buildings using precast hollow floor slabs have become the most important two major building systems, with application permeability exceeding 70%.
At present, the connection mode of the assembly type building is usually welding connection, steel hanger connection, bolt connection, bracket connection and the like, and the assembly type building has certain points and certain limitations, most of the assembly type building realizes splicing, but the difficulty is increased for disassembly, and the functions and the physical properties have many limitations and defects, such as bracket connection, insufficient connection stability, poor anti-seismic performance, high foundation requirements and the like. The bolted connection is prone to pressure build-up. At present, except that the application of an assembly type single-layer industrial factory building system is wide, the engineering application of other prefabricated assembly type building systems is very few. The seismic integrity of the prefabricated structure and the specialized research of design construction management are not enough, so that the technical economy is poor, and the prefabricated structure is in a stagnation state for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast concrete beam column connection structure to it is complicated to solve the site operation, and the beam-ends bending resistance ability of cutting is poor, and the structure can not dismantle the problem of utilization.
In order to achieve the above object, the utility model provides a precast concrete beam column connection structure has such characteristic: the prefabricated concrete column comprises a prefabricated concrete column, a prefabricated concrete beam A and a prefabricated concrete beam B;
an H-shaped slot is pre-buried and fixed in the middle of the precast concrete column; the H-shaped slot is composed of two slots and a connecting channel, the two slots are symmetrically arranged at two ends of the connecting channel, and the connecting channel is communicated with the two slots; the connecting channel is pre-embedded in the precast concrete column, and the outer side surfaces of the two slots are exposed out of two opposite side surfaces of the precast concrete column; the openings of the two slots face the front side, and the outer side surfaces of the two slots are provided with vertical slot long holes;
two U-shaped steel cores are pre-buried and fixed in the precast concrete beam A; two ends of the U-shaped steel core are in a single piece shape, two sides of the main body part between the end parts are bent, and the section is in a U shape; the two U-shaped steel cores are oppositely arranged, and the end parts of the single sheets extend out of the two ends of the precast concrete beam A; two single-sheet-shaped end parts at one end of the two U-shaped steel cores correspond to and are matched with two slots of the H-shaped slot and can be inserted into the two slots of the H-shaped slot; the end part of the U-shaped steel core single sheet is provided with a vertical U-shaped steel core long-strip hole;
an I-shaped steel core is pre-buried and fixed in the precast concrete beam B, the I-shaped steel core is a single-sheet-shaped steel core, and two ends of the I-shaped steel core extend out of the precast concrete beam B; the slot strip hole on the side face of the H-shaped slot, the U-shaped steel core strip hole at the end part of the U-shaped steel core and the connecting channel of the H-shaped slot are matched with the I-shaped steel core, and the I-shaped steel core can be inserted into the H-shaped slot from the slot strip hole, the U-shaped steel core strip hole and the connecting channel and extend out of the H-shaped slot in the state that the end part of the U-shaped steel core is inserted into the H-shaped slot.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: the anti-loosening assembly is also included; the anti-loosening assembly comprises a V-shaped steel bar and two anti-loosening nuts; the end part of the I-shaped steel core is provided with an anti-loosening jack which is positioned at the part of the I-shaped steel core extending out of the H-shaped slot and at the outer side of the H-shaped slot; when the I-shaped steel core is inserted into the H-shaped slot and extends out, the V-shaped steel bar penetrates through the anti-loosening insertion holes, and two ends of the V-shaped steel bar are respectively in threaded connection with the two anti-loosening nuts.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: the cross section of the I-shaped steel core is in an inverted trapezoid shape, and the cross sections of the slot long-strip hole, the U-shaped steel core long-strip hole at the end part of the U-shaped steel core and the H-shaped slot connecting channel are in inverted trapezoid shapes matched with the slot long-strip hole, the U-shaped steel core long-strip hole and the H-shaped slot connecting channel.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: the I-shaped steel core is embedded in the precast concrete beam B, and the part of the I-shaped steel core embedded in the precast concrete beam B is provided with a plurality of baffles.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: wherein, a plurality of baffles are symmetrically and evenly distributed on two sides of the I-shaped steel core.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: and the bottom surfaces of the two slots of the H-shaped slot are provided with extended reinforced fixing plates which cover the surface of the precast concrete column and are fixed with the surface of the precast concrete column through bolts.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: the top end of the precast concrete column is provided with a plurality of stand columns, the bottom end of the precast concrete column is provided with a plurality of jacks, the number of the stand columns is equal to that of the jacks, and the stand columns correspond to the jacks one by one.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: wherein, the stand comprises cylinder and the round platform of its bottom.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: wherein, the quantity of stand is four.
Further, the utility model provides a precast concrete beam column connection structure can also have such characteristic: the H-shaped slot is provided with two reinforcing connecting plates, fixed between the two slots and positioned on two sides of the connecting channel.
The beneficial effects of the utility model reside in that: the utility model provides a precast concrete beam column connecting structure, which uses three steel components to be pre-embedded in a precast concrete beam column, completes construction through on-site quick splicing, solves the problem of complicated on-site construction, and shortens the construction period; the steel structure has the advantages of high strength, good ductility and environmental friendliness, but is expensive and few in resource, and meanwhile, the concrete beam end has poor bending and shearing resistance and high compression resistance, but pollutes the environment, and the wet operation increases the complexity of field construction; meanwhile, the structure of cyclic utilization can be disassembled, the resource utilization rate is improved, the environment is protected, and the sustainable development of resources is realized.
The connection mode of the application adopts dry operation construction, so that the construction is simplified; the concrete beam column and the bracket are reliably connected, the integrity is good, and the seismic performance is excellent; the components are standardized, the industrialization efficiency is obviously improved, the method is suitable for the industrialized development of the fabricated concrete building, and the resource and energy consumption is reduced.
Drawings
Fig. 1 is a structural view illustrating a disassembled state of a precast concrete beam column connection structure;
FIG. 2 is a schematic structural view of a precast concrete column;
FIG. 3 is a schematic structural view of an H-shaped slot;
fig. 4 is a schematic structural view of a precast concrete beam a;
FIG. 5 is a schematic structural view of a U-shaped steel core;
fig. 6 is a structural schematic view of a precast concrete beam B;
FIG. 7 is a schematic structural view of an I-shaped steel core;
fig. 8 is a structural view illustrating an assembled state of the precast concrete beam column connection structure;
FIG. 9 is a schematic structural view of an assembled state of the H-shaped slot, the U-shaped steel core and the I-shaped steel core;
FIG. 10 is a structural view of the assembled state of the H-shaped slot, the I-shaped steel core and the release member;
fig. 11 is a structural schematic view of the disassembled state of the I-shaped steel core and the relaxing assembly.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the utility model provides a precast concrete beam column connection structure, including precast concrete post 1, precast concrete roof beam A2 and precast concrete roof beam B3.
As shown in fig. 1-3 and 8-9, an H-shaped slot 4 is pre-buried and fixed in the middle of a precast concrete column 1.
The H-shaped slot 4 is composed of two slots 41 and a connecting channel 42, the two slots 41 are symmetrically fixed at two ends of the connecting channel 42, and the connecting channel 42 is communicated with the two slots 41. The connecting channel 42 is pre-embedded inside the precast concrete column 1, and the outer side surfaces of the two slots 41 are exposed at two opposite side surfaces of the precast concrete column 1. The openings of the two slots 41 face the front side, and the outer side surfaces of the two slots 41 are provided with vertical slot long holes 43 penetrating in the left-right direction.
The bottom surfaces (rear side surfaces) of the two slots 41 of the H-shaped slot 4 are provided with reinforcing fixing plates 44 extending towards the middle direction, and the reinforcing fixing plates cover the surface of the precast concrete column 1 and are fixed with the surface of the precast concrete column 1 through bolts to play a role in reinforcing.
As shown in fig. 9, the H-shaped slot 4 has two reinforcing connecting plates 45 fixed between the two slots 41 and located at both sides of the connecting channel 42 to reinforce the strength of the H-shaped slot 4.
As shown in fig. 1, 4, 5 and 8-9, two U-shaped steel cores 5 are fixed in the precast concrete beam a 2. Two ends of the U-shaped steel core 5 are in a single piece shape, two sides of the main body part between the end parts are bent, and the section is in a U shape. The two U-shaped steel cores 5 are oppositely arranged (the U-shaped openings are opposite), and the end parts of the single sheets extend out of two ends of the precast concrete beam A2.
Two single sheet-shaped end parts at one end of the two U-shaped steel cores 5 correspond to and are matched with the two slots 41 of the H-shaped slot 4 and can be inserted into the two slots 41 of the H-shaped slot 4.
The end of the U-shaped steel core 5 in the form of a single sheet is provided with a vertical U-shaped steel core long-strip hole 51.
As shown in fig. 1 and 6 to 9, an I-shaped steel core 6 is pre-embedded and fixed in the precast concrete beam B3, the I-shaped steel core 6 is a single-sheet steel core, and two ends of the I-shaped steel core extend out of the precast concrete beam B3.
The part of the I-shaped steel core 6 embedded in the precast concrete beam B3 is provided with a plurality of baffle plates 61, so that the I-shaped steel core 6 can be more stably fixed in the precast concrete beam B3. The baffles 61 are symmetrically and uniformly distributed on both sides of the I-shaped steel core 6.
The slot strip hole 43 on the side surface of the H-shaped slot 4, the U-shaped steel core strip hole 51 at the end part of the U-shaped steel core 5 and the connecting channel 42 of the H-shaped slot 4 are matched with the I-shaped steel core 6, and the I-shaped steel core 6 can be inserted into the H-shaped slot 4 from the slot strip hole 43, the U-shaped steel core strip hole 51 and the connecting channel 42 and extend out of the H-shaped slot 4 under the condition that the end part of the U-shaped steel core 5 is inserted into the H-shaped slot 4.
Preferably, the section of the I-shaped steel core 6 is in an inverted trapezoid shape, the sections of the slot long strip hole 43, the U-shaped steel core long strip hole 51 at the end of the U-shaped steel core 5 and the H-shaped slot 4 connecting channel 42 are in an inverted trapezoid shape matched with the slot long strip hole, and the structural shape can make the connection more stable.
As shown in fig. 10 and 11, the coupling structure further includes a loosening prevention assembly. The anti-loosening assembly comprises a V-shaped reinforcing bar 71 and two anti-loosening nuts 72.
The end of the I-shaped steel core 6 is provided with a locking jack 62, and the locking jack 62 is positioned at the part of the I-shaped steel core 6 extending out of the H-shaped slot 4 (namely, in the assembling state of the I-shaped steel core 6 and the H-shaped slot 4) and outside the H-shaped slot 4.
When the I-shaped steel core 6 is inserted into the H-shaped slot 4 and extends out, the V-shaped steel bar 71 passes through the anti-loosening insertion hole 62, and two ends of the V-shaped steel bar are respectively in threaded connection with the two anti-loosening nuts 72 to lock the assembly state at the moment.
As shown in fig. 1, 2 and 8, the top end of the precast concrete column 1 is provided with a plurality of columns 11, the bottom end of the precast concrete column 1 is provided with a plurality of jacks, and the columns 11 are equal to the jacks in number and are matched with the jacks in a one-to-one correspondence manner. The upright post 11 at the top end of one precast concrete column 1 can be inserted into the jack at the bottom end of the other precast concrete column 1, so that the butt joint of the two precast concrete columns 1 is realized. The internal reinforcing bars of the upright post 11 are connected with the internal reinforcing bars of the precast concrete column 1.
The upright column 11 is composed of a cylinder and a truncated cone at the bottom end of the cylinder, and correspondingly, the jack is also a stepped hole composed of continuous cylinders and truncated cone-shaped holes. The truncated cone portion makes the column 11 easier to insert and more stable after insertion.
In this embodiment, the number of the pillars 11 is four.
During assembly and connection, the precast concrete beam A2 is inserted into the two slots 41 of the H-shaped slot 4 through the two U-shaped steel cores 5, and the precast concrete beam A2 is connected with the precast concrete column 1. The precast concrete beam B3 is inserted into the H-shaped slot 4 inserted with the U-shaped steel core 5 through the I-shaped steel core 6, so that the precast concrete beam B3 is connected with the precast concrete column 1. After the insertion, the I-shaped steel core 6 is locked by using the locknut 72 to match the V-shaped steel bar 71, and the assembly and the connection are completed.
Claims (10)
1. The utility model provides a precast concrete beam column connection structure which characterized in that:
the prefabricated concrete column comprises a prefabricated concrete column, a prefabricated concrete beam A and a prefabricated concrete beam B;
an H-shaped slot is pre-buried and fixed in the middle of the precast concrete column;
the H-shaped slot is composed of two slots and a connecting channel, the two slots are symmetrically arranged at two ends of the connecting channel, and the connecting channel is communicated with the two slots; the connecting channel is pre-embedded in the precast concrete column, and the outer side surfaces of the two slots are exposed out of two opposite side surfaces of the precast concrete column; the openings of the two slots face the front side, and the outer side surfaces of the two slots are provided with vertical slot long holes;
two U-shaped steel cores are pre-buried and fixed in the precast concrete beam A; two ends of the U-shaped steel core are in a single piece shape, two sides of the main body part between the end parts are bent, and the section is in a U shape; the two U-shaped steel cores are oppositely arranged, and the end parts of the single sheets extend out of the two ends of the precast concrete beam A;
two single-sheet-shaped end parts at one end of the two U-shaped steel cores correspond to and are matched with two slots of the H-shaped slot and can be inserted into the two slots of the H-shaped slot;
the end part of the U-shaped steel core single sheet is provided with a vertical U-shaped steel core long-strip hole;
an I-shaped steel core is pre-buried and fixed in the precast concrete beam B, the I-shaped steel core is a single-sheet-shaped steel core, and two ends of the I-shaped steel core extend out of the precast concrete beam B;
the slot strip hole on the side face of the H-shaped slot, the U-shaped steel core strip hole at the end part of the U-shaped steel core and the connecting channel of the H-shaped slot are matched with the I-shaped steel core, and the I-shaped steel core can be inserted into the H-shaped slot from the slot strip hole, the U-shaped steel core strip hole and the connecting channel and extend out of the H-shaped slot in the state that the end part of the U-shaped steel core is inserted into the H-shaped slot.
2. The precast concrete beam column connection structure of claim 1, wherein:
the anti-loosening assembly is also included; the anti-loosening assembly comprises a V-shaped steel bar and two anti-loosening nuts;
the end part of the I-shaped steel core is provided with an anti-loosening jack which is positioned at the part of the I-shaped steel core extending out of the H-shaped slot and at the outer side of the H-shaped slot;
when the I-shaped steel core is inserted into the H-shaped slot and extends out, the V-shaped steel bar penetrates through the anti-loosening insertion holes, and two ends of the V-shaped steel bar are respectively in threaded connection with the two anti-loosening nuts.
3. The precast concrete beam column connection structure of claim 1, wherein:
the cross section of the I-shaped steel core is in an inverted trapezoid shape, and the cross sections of the slot long-strip hole, the U-shaped steel core long-strip hole at the end part of the U-shaped steel core and the H-shaped slot connecting channel are in inverted trapezoid shapes matched with the slot long-strip hole, the U-shaped steel core long-strip hole and the H-shaped slot connecting channel.
4. The precast concrete beam column connection structure of claim 1, wherein:
the I-shaped steel core is embedded in the precast concrete beam B, and the part of the I-shaped steel core embedded in the precast concrete beam B is provided with a plurality of baffles.
5. The precast concrete beam column connection structure of claim 4, wherein:
wherein, a plurality of baffles are symmetrically and evenly distributed on two sides of the I-shaped steel core.
6. The precast concrete beam column connection structure of claim 1, wherein:
and the bottom surfaces of the two slots of the H-shaped slot are provided with extended reinforced fixing plates which cover the surface of the precast concrete column and are fixed with the surface of the precast concrete column through bolts.
7. The precast concrete beam column connection structure of claim 1, wherein:
the top end of the precast concrete column is provided with a plurality of stand columns, the bottom end of the precast concrete column is provided with a plurality of jacks, the number of the stand columns is equal to that of the jacks, and the stand columns correspond to the jacks one by one.
8. A precast concrete beam column connection structure according to claim 7, wherein:
wherein, the stand comprises cylinder and the round platform of its bottom.
9. A precast concrete beam column connection structure according to claim 7, wherein:
wherein, the quantity of stand is four.
10. The precast concrete beam column connection structure of claim 1, wherein:
the H-shaped slot is provided with two reinforcing connecting plates, fixed between the two slots and positioned on two sides of the connecting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499443.1U CN215053883U (en) | 2021-07-02 | 2021-07-02 | Precast concrete beam column connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499443.1U CN215053883U (en) | 2021-07-02 | 2021-07-02 | Precast concrete beam column connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN215053883U true CN215053883U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121499443.1U Active CN215053883U (en) | 2021-07-02 | 2021-07-02 | Precast concrete beam column connection structure |
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| CN (1) | CN215053883U (en) |
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- 2021-07-02 CN CN202121499443.1U patent/CN215053883U/en active Active
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Assignee: Nanjing Institute of Engineering Technical Service Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980035197 Denomination of utility model: A prefabricated concrete beam column connection structure Granted publication date: 20211207 License type: Common License Record date: 20230506 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Nanjing Institute of Engineering Technical Service Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980035197 Date of cancellation: 20240301 |
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| EC01 | Cancellation of recordation of patent licensing contract |