CN209670191U - The connection structure of prefabricated column - Google Patents
The connection structure of prefabricated column Download PDFInfo
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- CN209670191U CN209670191U CN201920184041.9U CN201920184041U CN209670191U CN 209670191 U CN209670191 U CN 209670191U CN 201920184041 U CN201920184041 U CN 201920184041U CN 209670191 U CN209670191 U CN 209670191U
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Abstract
The utility model discloses the connection structures of prefabricated column, including lower layer's cylinder and upper layer cylinder；Lower layer's reinforcing bar group is embedded in lower floor's post body；Lower layer's reinforcing bar group includes several lower layer's vertical reinforcements；The upper end of lower layer's vertical reinforcement forms several longitudinal tendons by stretching out in lower floor's post body, bending and mutually drawing close upwards；Top bars group, the sleeve with tendon quantity Matching are embedded in upper strata post body；Top bars group includes several upper layer vertical reinforcements, the quantity correspondence of quantity and lower layer's vertical reinforcement；Sleeve is respectively positioned on the lower end of lower layer's cylinder, and the lower end of each upper layer vertical reinforcement is uniformly disposed around the outside of abutting sleeve；Sleeve is equipped with inner cavity, and tendon is inserted into corresponding interior intracavitary and fixes through grouting.The type of attachment of the utility model is simple, and power transmission is direct, and stress is clear, has saved the material of sleeve, has reduced construction precision requirement and grouting material requirement, it is ensured that the compactness of sleeve, to guarantee construction quality.
Description
Technical field
The utility model belongs to precast concrete technical field, and in particular to the connection structure of prefabricated column.
Background technique
Prefabricated concrete structure has high industrialization degree, saving material, small, the easy for construction, situ wet operation of pollution
Amount and number of workers is few, prefabricated components quality convenient for control, construction period is short, investment the advantages that gain quick return, be novel building work
The direction of industryization development.The most common structural system of prefabricated concrete structure is assembling frame structure, and core technology is to want
The connection type of bean column node is solved, wherein key is how to handle the longitudinal reinforcement company of the prefabricated Column border node of upper and lower level and seam crossing
It connects.
Reinforced bar sleeve grouting connection common at present is that upper and lower level vertical applied force reinforcing bar is passed through sleeve connection, a reinforcing bar
A corresponding grout sleeve, specific embodiment: in plant produced, the lower end of the reinforcing bar of precast column unit is protruded into pre-buried
Reserve certain length in the upper end of grout sleeve, prefabricated post reinforcing bar；In building-site, bean column node is cast-in-place and reaches some strength
Afterwards, every vertical reinforcement of lower layer is inserted into pre-buried sleeve by upper layer precast column unit respectively by lifting, finally by more sets
Cylinder connection grouting way fills sleeve with high-intensitive microdilatancy grouting material, i.e. a precast column unit is when sleeve is in the milk at the scene,
Only from the grouting port slip casting of a sleeve, grouting material is connected to grouting between sleeve, flows out from other grouting ports and grout outlet.
In above-mentioned reinforcing bar and the structure of sleeve grouting connection, the quantity of reinforcing bar and sleeve be it is one-to-one, i.e., it is single
Reinforcing bar one sleeve of configuration, the common 12-16 sleeve of configuration of a precast column unit, sleeve quantitative requirement are more；Also, it is this
Connection structure is connected to grouting way using more sleeves, it is difficult to guarantee the Grouted density of multiple sleeves, construction quality cannot be guaranteed；
In addition, in this connection structure, top bars are protruded into sleeve and are connect with lower layer reinforcing bar, pass through the bite force of sleeve and grouting material
Load is transmitted, wherein force-mechanism is indefinite always, is unfavorable for the development and application of structural analysis He the connection.
Therefore, the structure for the reinforced bar sleeve grouting connection that above-mentioned prefabricated column uses exists to construction precision requirement
Height, sleeve are at high cost, connect the indefinite problem of stress.
Utility model content
To solve deficiency in the prior art, the utility model provides the connection structure of prefabricated column, connects
Form is simple, and power transmission is direct, and stress is clear, saved sleeve material, reduce difficulty of construction, it is ensured that sleeve it is closely knit
Degree, to guarantee construction quality.
The utility model uses following technical scheme:
The connection structure of prefabricated column, including lower layer's cylinder and upper layer cylinder；
Lower layer's reinforcing bar group is embedded in the lower floor's post body；Lower layer's reinforcing bar group includes several lower layer's vertical reinforcements；Institute
The upper end of lower layer's vertical reinforcement is stated by stretching out, bending and mutually drawing close upwards in the lower floor's post body to form several longitudinal steel
Muscle beam；
Be embedded with top bars group, sleeve in the upper strata post body, the sleeve, the quantity of top bars group and position with
The quantity of lower layer's reinforcing bar group and position correspond；The top bars group includes several upper layer vertical reinforcements；The set
Cylinder is respectively positioned on the lower end of the upper layer cylinder, and the lower end of each upper layer vertical reinforcement is uniformly disposed around the abutting set
The outside of cylinder；
The sleeve is equipped with inner cavity, and the tendon is inserted into corresponding described interior intracavitary and fixes through grouting, described
Sleeve is individually in the milk.
It is further used as the improvement of technical solutions of the utility model, lower layer's cylinder includes from bottom to top being laminated and setting
Precast section and Cast-in-Situ Segment；The lower end of each lower layer's vertical reinforcement is vertically arranged in the precast section；The tendon and institute
It states and is poured to form the Cast-in-Situ Segment between precast section.
It is further used as the improvement of technical solutions of the utility model, each lower layer's vertical reinforcement is in the upper of the precast section
End face starts to bend and mutually draw close；The upper end of each lower layer's vertical reinforcement bends and forms the tendon.
It is further used as the improvement of technical solutions of the utility model, the upper end of the sleeve is equipped in communication with the inner cavity
Grout outlet, the lower end of the sleeve are equipped with the Grouting Pipe being connected to inner cavity.
It is further used as the improvement of technical solutions of the utility model, the central axes and water of the grout outlet and/or Grouting Pipe
The angle of plane is 15 ° to 55 °.
It is further used as the improvement of technical solutions of the utility model, the junction of the grout outlet and the sleeve is wedge shape
Inclined-plane.
It is further used as the improvement of technical solutions of the utility model, further includes several first stirrups, first stirrup will
The sleeve and the top bars group banding.
Be further used as the improvement of technical solutions of the utility model, further include the one one molding stirrup, the 2nd 1 at
Type stirrup；The one one molding stirrup is by a reinforcing bar successively around each lower layer's vertical reinforcement and bending forming is with will be each
Lower layer's vertical reinforcement bundled fixed；The 2nd 1 molding stirrup is by a reinforcing bar successively around each upper layer vertical steel
Muscle and bending forming are with by each upper layer vertical reinforcement bundled fixed.
It is further used as the improvement of technical solutions of the utility model, further includes several second stirrups；The top bars group
Equipped with several groups, second stirrup sequentially passes through each top bars group and around lopping to tighten.
It is further used as the improvement of technical solutions of the utility model, further includes dismountable point storehouse grouting pipe, described point
Storehouse grouting pipe is inserted between lower layer's cylinder and upper layer cylinder to separate each sleeve, the storehouse grouting pipe that divides
Both ends exceed lower layer's cylinder/upper layer cylinder end face；Described point of storehouse grouting pipe extracts dismounting out before last time slip casting.
Compared with prior art, the utility model has the following beneficial effects:
1. existing reinforcing bar and sleeve grouting connection type be single steel bar configure a sleeve, sleeve quantitative requirement compared with
It is more, and in the present invention, a sleeve can dock one group of tendon, it can while more reinforcing bars are docked, on the whole
The usage quantity for reducing sleeve, advantageously reduces cost；
2. generalling use more sleeve connection grouting way in the prior art, it is difficult to guarantee the Grouted density of multiple sleeves；
And can be individually in the milk in the utility model, when sleeve is in the milk, the difficulty of construction of grouting is reduced, and can guarantee
The compactness of grouting in sleeve guarantees construction quality；
The connection 3. traditional reinforced bar sleeve is in the milk, wherein force-mechanism is indefinite；In the utility model, upper layer vertical reinforcement
Do not enter sleeve, lower layer's vertical reinforcement forms tendon concentration after bending and protrudes into sleeve, realizes the stress with top bars
Overlap joint, the type of attachment is simple, and power transmission is direct, and stress is clear.
Detailed description of the invention
The technology of the utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the structural schematic diagram of the utility model upper layer cylinder；
Fig. 3 is the section view in Fig. 1 at A；
Fig. 4 is the section view in Fig. 1 at B；
Fig. 5 is the structural schematic diagram of lower layer's cylinder of the utility model；
Fig. 6 is the schematic diagram in the tendon insertion sleeve of the utility model；
Fig. 7 is the structural schematic diagram of the sleeve of the utility model.
Appended drawing reference:
1- lower layer cylinder；11- precast section；12- Cast-in-Situ Segment；The upper layer 2- cylinder；3- lower layer reinforcing bar group；31- lower layer vertical steel
Muscle；32- tendon；4- sleeve；The inner cavity 41-；42- grout outlet；43- Grouting Pipe；421- tapered ramp；5- top bars group；51-
Upper layer vertical reinforcement；The first stirrup of 6-；The second stirrup of 7-；8- divides storehouse grouting pipe；The one one molding stirrup of 91-；92- second
One molding stirrup；
Specific embodiment
Referring to Figure 1 to Figure 7, that show the specific structures of the preferred embodiment of the utility model.It below will specifically
The design feature of bright each component of the utility model, and when if there is being described to direction (upper and lower, left and right, before and after), it is with Fig. 1
Shown in structure be with reference to description, but the actual use direction of the utility model is not limited thereto.
The utility model discloses the connection structures of prefabricated column comprising lower layer's cylinder 1 and upper layer cylinder 2.
Wherein, as shown in Fig. 1, Fig. 5 and Fig. 6, lower layer's reinforcing bar group 3, lower layer's reinforcing bar are embedded in lower layer's cylinder 1
Group 3 includes several lower layer's vertical reinforcements 31 by stretching out upwards in lower layer's cylinder 1；Each lower layer's vertical reinforcement 31 is in quincunx point
Cloth, the longitudinal tendon 32 of the upper end bending and formation close to each other of each lower layer's vertical reinforcement 31.
The quantity of lower layer's vertical reinforcement 31 can be selected according to specific use, can be four, five, the six roots of sensation be
To more.As the utility model preferred embodiment, lower layer's reinforcing bar group 3 includes four lower layer's vertical reinforcements 31.
The connection structure of this prefabricated column further includes the one one molding stirrup 91, the one one molding stirrup
91 by a reinforcing bar successively around the parallel bending forming of each lower layer's vertical reinforcement 31, each lower layer's vertical reinforcement 31 is tied
Strapped fixed, lower layer's vertical reinforcement 31 is fixed in lower layer's cylinder 1 by cooperation concrete.
Wherein, shown in as shown in Figure 1 to Figure 4, Fig. 6, upper layer cylinder 2 is prefabricated cylinder, and the lower end of the upper layer cylinder 2 is embedded with
The sleeve 4 to match with 32 quantity of tendon, position, and the periphery of sleeve 4 is longitudinally embedded with and the tendon 32 number
The top bars group 5 that amount, position match.
The top bars group 5 includes several upper layer vertical reinforcements 51, and each upper layer vertical reinforcement 51 is equal in blossom type
The even outside for being disposed around abutting sleeve 4.
The bottom of the sleeve 4 is equipped with the inner cavity 41 being inserted into for the tendon 32, and the tendon 32 is inserted into described
It is fixed in inner cavity 41 and through grouting, the individually grouting of sleeve 4.
The connection structure of this prefabricated column further includes several first stirrups 6, and first stirrup 6 surround and is set in institute
The sleeve 4 is tightened fixation with the top bars group 5 by the lower end outside for stating top bars group 5.Wherein, the first stirrup 6 is whole
Body is rounded, and upper layer vertical reinforcement 51, sleeve 4 are carried out banding by the lower end for being set in each upper layer vertical reinforcement 51.
It is equipped with the 2nd 1 molding stirrup 92 on the upside of each upper layer vertical reinforcement 51 and tighten fixation, described 2nd 1
Stirrup 92 is formed by a reinforcing bar successively around each upper layer vertical reinforcement 51 and bending forming is with by each upper layer vertical steel
Upper layer vertical reinforcement 51 is fixed in upper layer cylinder 2 by 51 bundled fixed of muscle, cooperation concrete.
It is designed based on above-mentioned structure, in the present invention, a tendon 32 is docked by a sleeve 4, i.e., one
A sleeve 4 docks more reinforcing bars simultaneously, reduces the usage quantity of sleeve 4, saves the material of sleeve 4, reduce costs；And
And docking by sleeve 4 and tendon 32, relative to the prior art of single sleeve 4 docking single steel bar, construction precision
It is required that it is lower, reduce the difficulty docked when construction；In addition, individually being filled to sleeve 4 in actual filling process
Slurry, it is ensured that the compactness being in the milk in sleeve 4 guarantees construction quality.
Specifically, referring to Fig.1 and Fig. 5, lower layer's cylinder 1 includes the precast section 11 of lower end and the Cast-in-Situ Segment 12 of upper end,
Precast section 11 is that preparatory pouring molding, Cast-in-Situ Segment 12 carry out cast in situs molding on construction ground before being sent to construction site.
Wherein, lower layer's vertical reinforcement 31 is upper surface that is longitudinally disposed and extending precast section 11 in the precast section 11.Work as precast section
After 11 are transported to construction site, each lower layer's vertical reinforcement 31 is carried out beyond the part of precast section 11 according to the actual situation curved twice
Be folded against and hold together to form longitudinal tendon 32, then poured between the tendon 32 and the precast section 11 to be formed it is described existing
Pour section 12.
The concrete condition bent twice are as follows: each lower layer's vertical reinforcement 31 is in the upper surface of the precast section 11 in
Side, which is formed, to be bent and mutually draws close；The upper end of each lower layer's vertical reinforcement 31, which is formed, to be bent and forms longitudinal tendon
32.By the way that each lower layer's vertical reinforcement 31 is bent to form tendon 32, can be convenient each reinforcing bar is inserted into together it is same
In sleeve 4, the actual diameter of sleeve 4 is reduced.
Wherein, such as Fig. 7, the sleeve 4 is cylindrical, and the inner cavity 41 is also in cylindrical type, and inner cavity 41 is opening down
To facilitate the insertion of tendon 32, the grout outlet 42 being connected to the inner cavity 41 is extended in the upper end of the sleeve 4, described
The junction of grout outlet 42 and the sleeve 4 is tapered ramp 421, is conducive to improve grouting material compactness, guarantees construction quality；Institute
The lower end for stating sleeve 4 is equipped with the Grouting Pipe 43 being connected to inner cavity 41.Central axes and the water of the grout outlet 42 and/or Grouting Pipe 43
The angle of plane is 15 ° to 55 °, is conducive to improve grouting material compactness, guarantees construction quality.It is preferably real as the utility model
Mode is applied, which is set as 45 °.It can be attached with grouter by Grouting Pipe 43, facilitate slip casting；It is in the milk sleeve 4
Inner cavity 41 fill up after can be flowed out by the grout outlet 42 of upper end, be then turned off the connection of Grouting Pipe 43 Yu grouter, and by slip casting
The opening closure of pipe 43, grout outlet 42.
Wherein, such as Fig. 3, the connection structure of this prefabricated column further includes several second stirrups 7；The top bars group
5 are equipped with several groups, and second stirrup 7 sequentially passes through each top bars group 5 and around lopping；The sleeve 4, top bars group
The quantity and position of 5 quantity and position and lower layer's reinforcing bar group 3 correspond, and each sleeve 4 is individually in the milk.On
The quantity of layer reinforcing bar group 5 can be increased and decreased according to specific service condition, can be three groups, four groups, five groups, six groups or even more
Multiple groups number, as the utility model preferred embodiment, top bars group 5 is set as four groups.Second stirrup 7 is rounded, successively
Across four groups of lower layer's reinforcing bar groups 3, cooperate concrete that top bars group 5, sleeve 4 are fixed in upper layer cylinder 2.
Traditional reinforced bar sleeve is in the milk connection, and top bars are protruded into sleeve and connects with lower layer reinforcing bar, passes through sleeve and filling
The bite force of slurry transmits load, and wherein force-mechanism is indefinite always, is unfavorable for the development and application of structural analysis He the connection；
Do not enter sleeve 4 with Fig. 5, the upper layer vertical reinforcement 51 that the utility model uses as shown in Figure 1, Figure 2, extend to the bottom of upper layer cylinder 2
Portion, lower layer's vertical reinforcement 31 is concentrically formed tendon 32 and protrudes into sleeve 4 after bending twice, with upper layer vertical reinforcement 51
Complete overlap joint, and using the first stirrup 6 can operative constraint compressive region concrete, improve intensity simultaneously increase compressive region concrete surface
Product.
Such as Fig. 1 and Fig. 4, the connection structure of this prefabricated column further includes dismountable point storehouse grouting pipe 8, and described point
Grouting pipe 8 ground in storehouse, which is inserted between lower layer's cylinder 1 and upper layer cylinder 2, separates each sleeve 4, and divides storehouse grouting
The both ends of pipe 8 exceed the end face of 1/ upper layer cylinder 2 of lower layer's cylinder, and described point of storehouse grouting pipe 8 is taken out before last time slip casting
It removes out.This divides 8 diameter range of storehouse grouting pipe should be at 20~40 millimeters.
Each sleeve 4 is separated in grouting for separating the grouting of sleeve 4, prevents from leaking out by described point of storehouse grouting pipe 8
Grouting material interfere the grouting of other sleeves.It can be by being in the milk clockwise or counterclockwise when slip casting, the last one 4 slip casting of sleeve
Before, the last one sleeve 4 that is in the milk is carried out again after point storehouse grouting pipe 8 is extracted out, to guarantee the density of grouting.
Other contents of the connection structure of prefabricated column described in the utility model are referring to the prior art, herein no longer
It repeats.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (10)
1. the connection structure of prefabricated column, including lower layer's cylinder and upper layer cylinder, it is characterised in that:
Lower layer's reinforcing bar group is embedded in the lower floor's post body；Lower layer's reinforcing bar group includes several lower layer's vertical reinforcements；Under described
The upper end of layer vertical reinforcement is by stretching out upwards, bending and mutually drawing close in the lower floor's post body to form several longitudinal reinforcing bars
Beam；
Be embedded with top bars group, sleeve in the upper strata post body, the sleeve, the quantity of top bars group and position with it is described
The quantity of lower layer's reinforcing bar group and position correspond；The top bars group includes several upper layer vertical reinforcements；The sleeve is equal
Positioned at the lower end of the upper layer cylinder, the lower end of each upper layer vertical reinforcement is uniformly disposed around the abutting sleeve
Outside；
The sleeve is equipped with inner cavity, and the tendon is inserted into corresponding described interior intracavitary and fixes through grouting, the sleeve
Individually grouting.
2. the connection structure of prefabricated column according to claim 1, it is characterised in that: lower layer's cylinder include by
Lower and upper stacking and the precast section and Cast-in-Situ Segment set；The lower end of each lower layer's vertical reinforcement is vertically arranged at the precast section
It is interior；It is poured to form the Cast-in-Situ Segment between the tendon and the precast section.
3. the connection structure of prefabricated column according to claim 2, it is characterised in that: each lower layer's vertical reinforcement
Start to bend and mutually draw close in the upper surface of the precast section；The upper end of each lower layer's vertical reinforcement bends and is formed described
Tendon.
4. the connection structure of prefabricated column according to claim 1, it is characterised in that: the upper end of the sleeve is equipped with
Grout outlet in communication with the inner cavity, the lower end of the sleeve are equipped with the Grouting Pipe being connected to inner cavity.
5. the connection structure of prefabricated column according to claim 4, it is characterised in that: the grout outlet and/or note
The angle of the central axes and horizontal plane of starching pipe is 15 ° to 55 °.
6. the connection structure of prefabricated column according to claim 4, it is characterised in that: the grout outlet and the set
The junction of cylinder is tapered ramp.
7. the connection structure of prefabricated column according to claim 1, it is characterised in that: further include several first hoops
Muscle, first stirrup is by the sleeve and the top bars group banding.
8. the connection structure of prefabricated column according to claim 1, it is characterised in that: further include the one one molding
Stirrup, the 2nd 1 molding stirrup；The one one molding stirrup is by a reinforcing bar successively around each lower layer's vertical reinforcement
And bending forming is with by each lower layer's vertical reinforcement bundled fixed；The 2nd 1 molding stirrup by a reinforcing bar successively around
Each upper layer vertical reinforcement and bending forming are with by each upper layer vertical reinforcement bundled fixed.
9. the connection structure of prefabricated column according to any one of claim 1 to 8, it is characterised in that: further include
Several second stirrups；The top bars group is equipped with several groups, and second stirrup sequentially passes through each top bars group and surround
Lopping is to tighten.
10. the connection structure of prefabricated column according to claim 9, it is characterised in that: further include dismountable point
Storehouse grouting pipe, described point of storehouse grouting pipe are inserted into separate each sleeve between lower layer's cylinder and upper layer cylinder,
The both ends of described point of storehouse grouting pipe exceed lower layer's cylinder/upper layer cylinder end face；Described point of storehouse grouting pipe is at last
It extracts out and removes before secondary slip casting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920184041.9U CN209670191U (en) | 2019-02-01 | 2019-02-01 | The connection structure of prefabricated column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920184041.9U CN209670191U (en) | 2019-02-01 | 2019-02-01 | The connection structure of prefabricated column |
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| CN209670191U true CN209670191U (en) | 2019-11-22 |
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ID=68568308
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853848A (en) * | 2019-02-01 | 2019-06-07 | 广州建筑产业研究院有限公司 | The connection structure of prefabricated column |
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2019
- 2019-02-01 CN CN201920184041.9U patent/CN209670191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853848A (en) * | 2019-02-01 | 2019-06-07 | 广州建筑产业研究院有限公司 | The connection structure of prefabricated column |
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