CN213448909U - Semi-dry connection of shear parts of prefabricated column bolts - Google Patents
Semi-dry connection of shear parts of prefabricated column bolts Download PDFInfo
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- CN213448909U CN213448909U CN202021567079.3U CN202021567079U CN213448909U CN 213448909 U CN213448909 U CN 213448909U CN 202021567079 U CN202021567079 U CN 202021567079U CN 213448909 U CN213448909 U CN 213448909U
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Abstract
The utility model relates to a prefabricated post bolt shear-resistant part half-dry type is connected and is included upper portion prefabricated post, the prefabricated post in lower part, connection panel, coupling assembling and the steel spare that shears, the lower extreme center of the prefabricated post in upper portion is equipped with the recess that shears, connection panel is fixed to be located on the lower terminal surface of the prefabricated post in upper portion, set up on the connection panel with the recess shape complex recess hole that shears, the steel spare that shears is located in the recess that shears, the steel spare that shears is equipped with the grout seam between the lateral wall of recess that shears, the intussuseption of grout fills grout material, be equipped with the reinforcing bar that upwards stretches out in the prefabricated post in lower part, coupling assembling locates the reinforcing bar top, the reinforcing bar hole has been seted up with the corresponding position of reinforcing bar. Compared with the prior art, the utility model discloses atress safe and reliable, simple structure, construction convenience can effectual improvement site operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of prefabricated columnar connection and specifically relates to a prefabricated column bolt shear resistant semi-dry type is connected.
Background
The prefabricated column is an important prefabricated component in an assembly type building, has higher repetition rate and fewer types of moulds, can achieve industrial and large-scale production, and becomes the first choice in more projects. But when traditional prefabricated post was connected, adopt grout muffjoint's mode, the cost is higher to it is not closely knit often to appear the sleeve grout, and the regional reinforcing bar sleeve deviation of node is even to not last, and the on-the-spot wet work scheduling problem that waits many has certain potential safety hazard problem, has wasted a large amount of time, serious influence the construction progress on-the-spot.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated stud shear semi-dry type connection for overcoming the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the connection comprises an upper prefabricated column, a lower prefabricated column, a connecting panel, a connecting assembly and a shear steel piece, wherein a shear groove is formed in the center of the lower end of the upper prefabricated column, the connecting panel is fixedly arranged on the lower end face of the upper prefabricated column, a groove hole matched with the shear groove in shape is formed in the connecting panel, the shear steel piece is arranged in the shear groove, a grouting seam is formed between the shear steel piece and the side wall of the shear groove, grouting material is filled in the grouting seam, and the grouting material is high-strength grouting material,
the prefabricated post of lower part in be equipped with the reinforcing bar that upwards stretches out, coupling assembling locate the reinforcing bar top, connection panel and the corresponding position of reinforcing bar seted up the reinforcing bar hole, the reinforcing bar pass reinforcing bar hole and through coupling assembling and connection panel fixed connection.
Preferably, the size of the hole of the reinforcing steel bar hole is the same as the diameter of the reinforcing steel bar.
Preferably, the cross section of the shear-resistant groove is circular, the shear-resistant steel part is a circular thin-wall steel pipe, and the diameter of the shear-resistant steel part is smaller than that of the shear-resistant groove.
Preferably, the shear steel member is filled with a grouting material, and the grouting material is a high-strength grouting material.
Preferably, the embedding depth of the round thin-wall steel pipe in the shear groove and the depth of the shear groove are calculated through the stress of the round thin-wall steel pipe.
Preferably, the size of the round thin-wall steel pipe can be determined according to the stress size and the size of the column, and the round thin-wall steel pipe mainly plays a role in shearing resistance after grouting.
Preferably, the height of the round thin-wall steel pipe is greater than the depth of the shear groove and less than twice the depth of the shear groove.
Preferably, four angles of the lower end of the upper prefabricated column are provided with connecting grooves, four angles of the connecting panel are respectively provided with connecting pieces matched with the rectangular grooves in shape, and the connecting pieces are fixed in the connecting grooves in a pre-buried mode.
Preferably, the connecting groove is filled with grouting material.
Preferably, the connecting groove is a rectangular groove, the connecting piece comprises two vertical plates which are vertically connected, the bottoms of the vertical plates are fixedly connected with the connecting panel, and the outer side surfaces of the vertical plates are attached to the side surfaces of the rectangular groove.
Preferably, the vertical plate is connected with the connecting panel in a welding mode.
Preferably, rectangular concrete blocks of the same size are cut off from four corners of the lower end of the upper prefabricated column to form rectangular grooves.
Preferably, coupling assembling include two gaskets and two nuts, reinforcing bar upper portion week side be equipped with the external screw thread, the reinforcing bar pass nut, gasket, reinforcing bar hole, gasket, nut and connection panel fixed connection in proper order.
Preferably, four steel bars extending upwards are arranged in the lower prefabricated column.
Preferably, the side edge of the shear groove is provided with a grouting hole and a grout discharging hole.
Compared with the prior art, the utility model has the advantages of as follows:
(1) the utility model discloses a prefabricated post in upper portion and the prefabricated post in lower part pass through reinforcing bar, nut rigid connection, set up the shear groove and locate the steel member that shears in the shear groove, compensate bolted connection problem of not shearing, atress safe and reliable, simple structure, and construction convenience can effectual improvement site operation efficiency.
(2) The vertical plate of the connecting panel is fixedly connected with the upper prefabricated column in a pre-embedded manner, so that the connecting strength of the connecting panel and the upper prefabricated column is improved, and the safety performance of the connecting panel is improved;
(3) the utility model discloses an undertake the shear effect behind the circular thin wall steel pipe grout, intensity increases after the grout in the circular thin wall steel pipe, can effectively undertake the shear effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of each component of the present invention;
fig. 3 is a schematic structural view of the connection panel of the present invention;
fig. 4 is a schematic cross-sectional view of the present invention;
fig. 5 is the cross-sectional view of the utility model after completing the construction.
The concrete column comprises 1, an upper prefabricated column, 2, a connecting panel, 3, a steel bar, 4, a lower prefabricated column, 5, a shear-resistant steel piece, 6, a connecting groove, 7, a shear-resistant groove, 8, a nut, 9, a gasket, 10, a groove hole, 11, a steel bar hole, 12, a connecting piece, 13, a vertical plate, 14, a grouting gap, 15, a cast-in-place piece, 16, a grouting hole, 17 and a grout discharge hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.
Examples
A prefabricated column bolt shear resistant part semi-dry type connection is disclosed, as shown in figures 1, 3 and 4, the connection comprises an upper prefabricated column 1, a lower prefabricated column 4, a connection panel 2, a connection assembly and a shear resistant steel part 5, wherein a shear resistant groove 7 is arranged at the center of the lower end of the upper prefabricated column 1, the connection panel 2 is fixedly arranged on the lower end surface of the upper prefabricated column 1, a groove hole 10 matched with the shear resistant groove 7 in shape is formed in the connection panel 2, the shear resistant steel part 5 is arranged in the shear resistant groove 7, a grouting gap 14 is formed between the shear resistant steel part 5 and the side wall of the shear resistant groove 7, grouting material is filled in the grouting gap 14, this grout material is high strength grout material, is equipped with the reinforcing bar 3 that upwards stretches out in the prefabricated post 4 of lower part, and coupling assembling locates 3 tops of reinforcing bar, and reinforcing bar hole 11 has been seted up with 3 corresponding positions of reinforcing bar to connection panel 2, and reinforcing bar 3 passes reinforcing bar hole 11 and passes through coupling assembling and 2 fixed connection of connection panel.
As shown in fig. 2, the cross section of the shear groove 7 is circular, the shear steel member 5 is a circular thin-walled steel pipe, the diameter of the shear steel member 5 is smaller than that of the shear groove 7, and in order to improve the strength of the circular thin-walled steel pipe, the shear steel member 5 is filled with a grouting material, which is a high-strength grouting material. In this embodiment, the height of the circular thin-walled steel pipe is greater than the depth of the shear groove 7, and less than twice the depth of the shear groove 7. The size of the round thin-wall steel pipe can be determined according to the stress size and the column size, and the round thin-wall steel pipe mainly plays a role in shearing resistance after grouting.
In this embodiment, the size of the hole of the reinforcement hole 11 is the same as the diameter of the reinforcement 3.
In order to facilitate grouting into the grouting joints 14 and the circular thin-walled steel pipe, grouting holes 16 and grout discharging holes 17 are formed in the side edges of the shear groove 7, and grouting is conducted into the shear groove 7 through the grouting holes 16 and the grout discharging holes 17.
As shown in fig. 2, the connecting grooves 6 are provided at four corners of the lower end of the upper prefabricated column 1, the connecting members 12 having a shape matching with the rectangular grooves are respectively provided at four corners of the connecting panel 2, and the connecting members 12 are pre-buried and fixed in the connecting grooves 6. In order to fill the grouting material in the connecting groove 6, the connecting piece 12 is fixedly connected with the upper prefabricated column 1, and the connecting strength of the connecting panel 2 and the upper prefabricated column 1 is improved.
The connecting groove 6 is a rectangular groove, the connecting piece 12 comprises two vertical plates 13 which are vertically connected, the bottoms of the vertical plates 13 are fixedly connected with the connecting panel 2, the outer side surfaces of the vertical plates 13 are attached to the side surfaces of the rectangular groove, and the vertical plates 13 are welded and connected with the connecting panel 2. In this embodiment, rectangular concrete blocks of the same size are cut off from four corners of the lower end of the upper precast column 1 to form rectangular grooves.
In this embodiment, as shown in fig. 2, the connection assembly includes two spacers 9 and two nuts 8, the upper periphery of the steel bar 3 is provided with an external thread, and the steel bar 3 sequentially passes through the nuts 8, the spacers 9, the steel bar holes 11, the spacers 9, and the nuts 8 to be fixedly connected with the connection panel 2.
In this embodiment, four upward extending reinforcing bars 3 are provided in the lower prefabricated column 4.
The utility model discloses on-spot prefabricated post installation flow as follows:
1. after the lower prefabricated column 4 is hoisted, the embedded round thin-wall steel pipe is fixed, the upper part of the round thin-wall steel pipe can enter the shear-resistant groove 7 in the upper prefabricated column 1, and the embedded depth of the cast-in-place section of the round thin-wall steel pipe and the depth of the shear-resistant groove 7 are calculated through the stress of the cast-in-place section of the round thin-wall steel pipe.
2. Leveling a nut 8 and a gasket 9 at the lower part, hoisting the upper prefabricated column 1, adjusting the gasket 9 after the connecting rib of the lower prefabricated column 4 passes through the connecting panel 2, and screwing the nut 8 at the upper part.
3. After the upper prefabricated column 1 is hoisted, concrete is poured into the connecting groove 6, concrete is poured between the upper prefabricated column 1 and the lower prefabricated column 4 to form a cast-in-place part 15, and high-strength grouting materials are filled into the cast-in-place part 15 and the connecting panel 2 to realize the reliable connection between the prefabricated columns.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The semi-dry type connection of the shear-resistant pieces of the prefabricated column bolts is characterized in that the connection comprises an upper prefabricated column (1), a lower prefabricated column (4), a connecting panel (2), a connecting assembly and shear-resistant steel pieces (5), a shear-resistant groove (7) is formed in the center of the lower end of the upper prefabricated column (1), the connecting panel (2) is fixedly arranged on the lower end face of the upper prefabricated column (1), a groove hole (10) matched with the shear-resistant groove (7) in shape is formed in the connecting panel (2), the shear-resistant steel pieces (5) are arranged in the shear-resistant groove (7), a grouting joint (14) is formed between the shear-resistant steel pieces (5) and the side wall of the shear-resistant groove (7), and grouting materials are filled in the grouting joint (14),
prefabricated post of lower part (4) in be equipped with reinforcing bar (3) that upwards stretches out, coupling assembling locate reinforcing bar (3) top, connection panel (2) and reinforcing bar (3) correspond the position and seted up reinforcing bar hole (11), reinforcing bar (3) pass reinforcing bar hole (11) and through coupling assembling and connection panel (2) fixed connection.
2. The semi-dry type connection of precast stud shear according to claim 1, wherein the shear grooves (7) have a circular cross-section, the shear steel members (5) are circular thin-walled steel pipes, and the diameter of the shear steel members (5) is smaller than that of the shear grooves (7).
3. The semi-dry type connection of precast stud shear according to claim 2, wherein the shear steel member (5) is filled with grouting material.
4. The semi-dry type connection of precast stud shear according to claim 2, wherein the height of the circular thin-walled steel pipe is greater than the depth of the shear groove (7) and less than twice the depth of the shear groove (7).
5. The semi-dry type connection of the precast column bolt shear members as claimed in claim 1, wherein connection grooves (6) are formed at four corners of the lower end of the upper precast column (1), connection members (12) having a shape fitting the rectangular grooves are respectively formed at four corners of the connection panel (2), and the connection members (12) are pre-buried and fixed in the connection grooves (6).
6. The semi-dry type connection of the precast stud shear according to claim 5, wherein concrete is poured into the connection grooves (6).
7. The semi-dry type connection of precast column bolt shear members as claimed in claim 5, wherein the connection groove (6) is a rectangular groove, the connection member (12) comprises two vertical plates (13) vertically connected, the bottom of the vertical plate (13) is fixedly connected with the connection panel (2), and the outer side of the vertical plate (13) is attached to the side of the rectangular groove.
8. The semi-dry type connection of the precast column bolt shear according to claim 1, wherein the connection assembly comprises two washers (9) and two nuts (8), the upper circumference of the reinforcing steel bar (3) is provided with external threads, and the reinforcing steel bar (3) passes through the nuts (8), the washers (9), the reinforcing steel bar holes (11), the washers (9), the nuts (8) and is fixedly connected with the connection panel (2) in sequence.
9. The semi-dry type connection of the precast column bolt shear according to claim 1, wherein four upwardly protruding reinforcing bars (3) are provided in the lower precast column (4).
10. The semi-dry type connection of the precast stud shear according to claim 1, wherein the shear grooves (7) are provided at their sides with grouting holes (16) and grout discharge holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021567079.3U CN213448909U (en) | 2020-07-31 | 2020-07-31 | Semi-dry connection of shear parts of prefabricated column bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021567079.3U CN213448909U (en) | 2020-07-31 | 2020-07-31 | Semi-dry connection of shear parts of prefabricated column bolts |
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| CN213448909U true CN213448909U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021567079.3U Active CN213448909U (en) | 2020-07-31 | 2020-07-31 | Semi-dry connection of shear parts of prefabricated column bolts |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216411A (en) * | 2021-04-20 | 2021-08-06 | 王萍 | Prefabricated column contact mounting and connecting method for prefabricated building |
| CN113323141A (en) * | 2021-07-09 | 2021-08-31 | 马海滨 | Novel assembled integral frame structure and construction method thereof |
| CN116876887A (en) * | 2023-09-07 | 2023-10-13 | 南京工业大学 | Frame reinforcing structure based on precast concrete wallboard and reinforcing transformation method |
-
2020
- 2020-07-31 CN CN202021567079.3U patent/CN213448909U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216411A (en) * | 2021-04-20 | 2021-08-06 | 王萍 | Prefabricated column contact mounting and connecting method for prefabricated building |
| CN113323141A (en) * | 2021-07-09 | 2021-08-31 | 马海滨 | Novel assembled integral frame structure and construction method thereof |
| CN116876887A (en) * | 2023-09-07 | 2023-10-13 | 南京工业大学 | Frame reinforcing structure based on precast concrete wallboard and reinforcing transformation method |
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