CN109083275A - Prefabricated post and integral preform beam slab assembly node and its construction method - Google Patents
Prefabricated post and integral preform beam slab assembly node and its construction method Download PDFInfo
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- CN109083275A CN109083275A CN201811052556.XA CN201811052556A CN109083275A CN 109083275 A CN109083275 A CN 109083275A CN 201811052556 A CN201811052556 A CN 201811052556A CN 109083275 A CN109083275 A CN 109083275A
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- steel pipe
- prefabricated post
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明公开了预制柱与一体预制梁板装配节点及其施工方法，包括水平的一体预制梁板和竖向的预制柱；预制柱包括下预制柱和上预制柱；下预制柱的上表面设有凹入的后浇筑连接区并预留有若干上预留纵筋，上预留纵筋从后浇筑连接区的底面延伸出来且延伸长度小于后浇筑连接区深度，下预制柱的上表面预埋有竖向的上钢管；一体预制梁板置于下预制柱上并开设有竖向贯穿的钢管连接孔和若干穿筋孔；上预制柱置于一体预制梁板上，其下表面预埋有竖向的下钢管且预留有若干下预留纵筋，下预留纵筋与穿筋孔一对一同轴且穿过穿筋孔延伸入后浇筑连接区，下预留纵筋与上预留纵筋一对一同轴，上钢管和下钢管且均延伸入钢管连接孔且内置有连接钢筋。
The invention discloses an assembly node of a prefabricated column and an integrated prefabricated beam slab and a construction method thereof, comprising a horizontal integrated prefabricated beam slab and a vertical prefabricated column; There is a concave post-pouring connection area and several upper reserved longitudinal reinforcements are reserved. The upper reserved longitudinal reinforcements extend from the bottom surface of the post-pouring connection area and the extension length is less than the depth of the post-pouring connection area. The vertical upper steel pipe is buried; the integrated prefabricated beam slab is placed on the lower prefabricated column and there are vertically penetrated steel pipe connection holes and several reinforcement holes; the upper prefabricated column is placed on the integrated prefabricated beam slab, and its lower surface is embedded There are vertical lower steel pipes and several lower reserved longitudinal reinforcements are reserved. The lower reserved longitudinal reinforcements are coaxial with the piercing holes one-to-one and extend through the piercing holes into the post-pouring connection area. The lower reserved longitudinal reinforcements and The upper reserved longitudinal reinforcement is one-to-one coaxial, and the upper steel pipe and the lower steel pipe both extend into the connecting holes of the steel pipes and have built-in connecting steel bars.
Description
Technical field
The invention belongs to technical field of fixed buildings, and in particular to a kind of prefabricated post and integral preform beam slab assembly node
And its construction method.
Background technique
Assembled architecture is a kind of energy-saving and environmental protection, efficient construction style.Prefabricated assembled concrete structure has economy
High efficiency, construction climate condition influence the advantages that small, product quality easily guarantees, construction-time is short and environmental pollution is small, at
For the important directions of building trade development.
According to the crash simulation test to assembled architecture and to some analyses actually to destory the scene, assembled architecture
Destroying principal mode is the destruction at assembly node, and therefore, the shock resistance of assembly node determines the entirety of fabricated construction
Safety and reliability.With the development of mounting technology, the prior art can ensure the connection safety of assembly node and reliable
Property, but there are still the aspects for much needing to optimize for assembled architecture form and method now, such as: one, structural system assembling speed
Relatively slow, the standardized designs and industrialized production degree of prefabricated components are relatively low, structural system integration assembly method
There is still a need for improve with construction technology；Two, the assembly connection of the assembly connection and column of beam slab system and column and column is multiple
Miscellaneous, difficulty of construction is relatively large, is unfavorable for the raising of construction efficiency and construction quality；Influence the overall stiffness and shock resistance of node
Energy；Three, the assembly method of existing structure system still needs a large amount of temporary supporting system, and installation and dismounting time-consuming are taken a lot of work, applied
Work low efficiency.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of prefabricated posts and integral preform beam slab assembly node and its construction
Method obtains the connection safety and reliability for improving the assembly node of beam slab system and column, improves the effect of construction efficiency.
In order to achieve the above objectives, the invention provides the following technical scheme:
Prefabricated post and integral preform beam slab assembly node, including horizontal integral preform beam slab and vertical prefabricated post；Institute
Stating prefabricated post includes lower prefabricated post and upper prefabricated post；The upper surface of the lower prefabricated post is equipped with recessed after-pouring bonding pad, institute
It states lower prefabricated post and is reserved with several upper reserved vertical muscle straight up, the upper reserved vertical bottom of the muscle from the after-pouring bonding pad
Face extends out and the length extended is less than the depth of after-pouring bonding pad, and the upper surface of the lower prefabricated post is embedded with vertically
Upper steel pipe；The integral preform beam slab is placed in the lower prefabricated post, and the integral preform beam slab offers vertical perforative
Steel pipe connecting hole and quantity with upper reserved vertical muscle is corresponding wears muscle hole；The upper prefabricated post is placed on the integral preform beam slab,
The lower surface of the upper prefabricated post is embedded with vertical lower steel pipe and to be reserved with quantity straight down corresponding with upper reserved vertical muscle
Lower reserved vertical muscle, the lower reserved vertical muscle with to wear muscle hole one-to-one coaxial and wear muscle hole and extend into the after-pouring and connect
Area, the lower reserved vertical muscle and upper reserved vertical muscle are one-to-one coaxial, and the upper steel pipe and lower steel pipe are coaxially and described in extending into
Steel pipe connecting hole, the upper steel pipe are built-in with connection reinforcing bar, and the connection reinforcing bar extends upwardly in lower steel pipe.
Above-mentioned technical proposal is further improved, the lower prefabricated post and upper prefabricated post are identical prefabricated component, described pre-
Vertical muscle and lower reserved vertical muscle is stayed to be extended out by the vertical muscle of correspondence column pre-buried inside prefabricated component and formed.
In this way, the component of standardized designs is more, facilitate the implementation of industrialized production, improves production efficiency.
Further, all upper reserved vertical outer rim arranged for interval of the muscle along lower prefabricated post horizontal cross-section, the upper steel pipe
Positioned at the middle part of lower prefabricated post horizontal cross-section；Corresponding, i.e., all wears muscle hole in the outside spacers cloth of the steel pipe connecting hole
It sets.
In this way, the pre-buried mode of the reinforcing bar for meeting rod structure part, column indulges the outside that muscle is embedded in column along the shape of practical center pillar,
Cooperate stirrup to form reinforcement cage structure again, preferably performance armored concrete effect, guarantees the intensity of column.
Further, the quantity of the after-pouring bonding pad is corresponding with upper reserved vertical muscle, and the after-pouring bonding pad is lateral
Run through the side of lower prefabricated post nearby.
In this way, after-pouring bonding pad can be a circle of the shape along column of connection, and the present invention uses in practical operation
After-pouring bonding pad and the upper reserved vertical one-to-one mode of muscle, reduce the occupied space of after-pouring bonding pad, it is corresponding make it is lower pre-
The effective area of the upper surface of column processed is more, supports the effect of integral preform beam slab more preferable, reduces interim Auxiliary support；Each
The side of lower prefabricated post is laterally run through in after-pouring bonding pad nearby, facilitates column when prefabricated, is used to form after-pouring bonding pad
The demoulding of the mold core of position does not need to extract from the upper surface of prefabricated post after molding, and after only striking pine, along longitudinal direction and side
To taking-up, manufacture difficulty is reduced, improves production efficiency；Each after-pouring bonding pad running through in the side of lower prefabricated post
Position is also interval, and the lower prefabricated post side of corresponding region can better play supporting role when rear process encloses and sets template,
It is the form of one circle of shape connection along column relative to after-pouring bonding pad, encloses and set the more convenient implementation of template, improve construction efficiency.
Further, the lower end of the lower reserved vertical muscle and the upper end of upper reserved vertical muscle are solid in the after-pouring bonding pad
Fixed connection.
In this way, further strengthening the bonding strength of upper and lower reinforcing bar inside after-pouring bonding pad, multi-level protection connection is not
It is damaged, when being fixedly connected with implementation, full grout sleeve can be used, half grout sleeve is connected with modes such as straight screw sleeves.
Further, the integral preform beam slab includes horizontal board finish, and the lower surface of the board finish is equipped with protrusion
Connection pier and intersection beam, the connection pier is set to the intersection position of the beam of intersection, and the lower prefabricated post is supported in company
Connect pier and it is described connection pier horizontal cross-section it is corresponding with lower prefabricated post, the steel pipe connecting hole with wear the muscle hole company of being opened in
Connect pier；The board finish, connection pier and beam are integrated pre-formed.
In this way, improving standardized designs, beam slab is prefabricated in advance, avoid it is secondary pour, interim auxiliary is reduced in work progress
Support improves construction efficiency, guarantees the reliability of support connection.
Further, the internal diameter of the steel pipe connecting hole is gradually reduced from middle part to both ends；The internal diameter for wearing muscle hole by
Middle part is gradually reduced to both ends, the steel pipe connecting hole and wear muscle hole with connect pier integral preform molding.
In this way, further enriching type of attachment, the transmission capacity of power between component is improved.
Further, the free end nozzle of the upper steel pipe and lower steel pipe is throat structure, the upper steel pipe and lower steel
The pre-buried end pipe mouth of pipe is connected separately with end face sealing plate, and the shape of the end face sealing plate is greater than the outer diameter of upper steel pipe and lower steel pipe；
Through-hole is offered on the end face sealing plate of the lower steel pipe, is offered and is connected in the through-hole on the side of the upper prefabricated post
Grout hole is also provided with the side grout hole for being connected to its lower surface on the side of the upper prefabricated post, and the side grout hole is upper
The outlet of prefabricated post lower surface is connected to the muscle hole of wearing, and the side grout hole is to correspond setting with muscle hole is worn.
In this way, extraction is more difficult, and the transmitting of power is richer after grouting connection, connection reliability, peace are further increased
Quan Xing.
Further, described to wear in muscle hole, after-pouring bonding pad, lower steel pipe, joint steel pipe and upper steel pipe filled with filling
Slurry.
In this way, improving connection, implement from preset grout hole, it is easy to operate.
Meanwhile the present invention relates to a kind of column and beam slab assembly node construction method, the column is upper with beam slab assembly node
The prefabricated post and integral preform beam slab assembly node stated, construction method include the following steps:
1) the prefabricated integral preform beam slab of difference and prefabricated post；Joint steel pipe is preset in integral preform beam slab and wears muscle hole；In advance
Column processed presets after-pouring bonding pad, reserves upper reserved steel bar and lower reserved steel bar, pre-buried upper steel pipe and lower steel pipe, presets middle grouting
Hole and side grout hole；
2) lower prefabricated post is lifted, temporary support is set；
3) integral preform beam slab is lifted, is horizontally placed in lower prefabricated post；The free end of upper steel pipe is protruded into joint steel pipe and is made
It is one-to-one coaxial with upper reserved steel bar to wear muscle hole；Connection reinforcing bar is placed in upper steel pipe；
4) upper prefabricated post is lifted, the upper end for connecting reinforcing bar is protruded into lower steel pipe, and joint steel pipe is protruded into the free end of lower steel pipe,
Lower reserved vertical muscle with to wear muscle hole one-to-one coaxial and wear muscle hole and protrude into the after-pouring bonding pad；
5) vertical muscle is reserved by under in each after-pouring bonding pad and is connect with upper reserved vertical muscle by grout sleeve；
6) it is enclosed in the after-pouring connection zone position of lower prefabricated post and sets template；
7) therefrom grouting material is perfused in the downward steel pipe of grout hole, joint steel pipe and upper steel pipe, from side grout hole to wear muscle hole and
Grouting material is perfused in after-pouring bonding pad；
8) after structural strength reaches design requirement, form removal and temporary support.
The beneficial effects of the present invention are:
1, the present invention makes integral preform beam slab and prefabricated post design progress segment processing according to structure, according to on-site hoisting energy
Power and preform production construction ability determine design fragment size；Integral preform beam slab carries out beam slab integral preform, avoids secondary
It pours, the total quality of beam slab system at node can be improved, improve shock resistance；Integrated beam slab presets joint steel pipe and wears muscle
Hole, the big both ends in aperture inside are small, after packing material solidification, are difficult to extract, and improve reserved steel bar, connection reinforcing bar and embedded steel tube etc.
The transmission capacity of power between component.
2, prefabricated post of the present invention is designed according to structure carries out layered shaping, standardized designs production, prefabricated column end setting
Reserved steel bar, length meet the connection requirement between upper and lower level, add the upper and lower steel pipe connecting with beam slab system, upper and lower steel pipe
Diameter is less than steel pipe and connects bore dia, and bore inside contracts, and being installed in steel pipe connecting hole can prevent structural system to be displaced sideways, and mention
For preferable shear resistance.
3, the assembly node of prefabricated post of the present invention and integral preform beam slab passes through reserved steel bar, pre-buried steel pipe and connection
Reinforcing bar connection, reserved steel bar and wears the transmission capacity for having preferable power between muscle hole, enhances the connection reliability of assembly node
And safety, meanwhile, setting connection reinforcing bar after-pouring high-strength grouting material in upper and lower steel pipe and steel pipe connecting hole, further really
Protect the overall performance of assembly node.
4, the present invention improves standardized designs degree, preform production efficiency can be improved, and then improve construction efficiency；Only
Temporary support need to be arranged, and to carry out scene to prefabricated post fixed, and after installation is in place, prefabricated post integrally can be with to integrated beam slab system
Play the role of vertical supporting system, temporary supporting system can be reduced and use, mount and dismount.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is each member position relation schematic diagram of specific embodiment prefabricated post and integral preform beam slab assembly node；
Fig. 2 is the structural schematic diagram (amplification) of the lower prefabricated post of specific embodiment；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural schematic diagram of the integral preform beam slab of specific embodiment；
Fig. 5 is the structural schematic diagram of the upper prefabricated post of specific embodiment；
Fig. 6 is the bottom view of Fig. 5；
Fig. 7 is the inside steel construction piece arragement construction signal of specific embodiment prefabricated post and integral preform beam slab assembly node
Figure；
Fig. 8 is the A-A sectional view of Fig. 1；
Fig. 9 is the grouting connection effect schematic diagram of specific embodiment prefabricated post and integral preform beam slab assembly node；
Wherein, upper prefabricated post 1, column indulge muscle 11, column tie-bar 12, lower steel pipe 13, lower reserved vertical muscle 14, middle grout hole 15, side
Grout hole 16, integral preform beam slab 2, beam indulge muscle 21, beam stirrup 22, reinforcing bar stratum reticulare 23, and joint steel pipe 24 wears muscle hole 25, steel pipe
Connecting hole 26, board finish 27 connect pier 28, beam 29, lower prefabricated post 3, upper reserved vertical muscle 31, upper steel pipe 32, end face sealing plate
33, grout sleeve 4, after-pouring bonding pad 5 connects reinforcing bar 6,
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
Referring to Fig. 1-3, the prefabricated post and integral preform beam slab assembly node of specific embodiment, including horizontal integral preform
Beam slab 2 and vertical prefabricated post；The prefabricated post includes lower prefabricated post 3 and upper prefabricated post 1；The upper surface of the lower prefabricated post 3
Equipped with recessed after-pouring bonding pad 5, the lower prefabricated post 3 is reserved with several upper reserved vertical muscle 31 straight up, it is described on
The length that reserved vertical muscle 31 extends out and extends from the bottom surface of the after-pouring bonding pad 5 is less than after-pouring bonding pad 5
Depth, the quantity of the after-pouring bonding pad 5 is corresponding with upper reserved vertical muscle 31, and 5 side of after-pouring bonding pad to running through nearby
The upper surface of the side of lower prefabricated post 3, the lower prefabricated post 3 is embedded with vertical upper steel pipe 32；The lower prefabricated post 3 of embodiment is
Square cylinder, the upper steel pipe 32 are set to the upper surface geometric center of lower prefabricated post 3, and upper reserved vertical muscle 31 is along lower 3 water of prefabricated post
The outer rim arranged for interval of plane section, quantity are eight, and corresponding after-pouring bonding pad 5 is eight, are located in lower prefabricated post 3
The middle part at four angles and four sides in portion, four after-pouring bonding pads 5 positioned at four angles laterally extend through corresponding phase
Two sides handed over, the lateral of four after-pouring bonding pads 5 in the middle part of four sides run through corresponding side nearby respectively.
Referring to Fig. 1, Fig. 4, the integral preform beam slab 2 is placed in the lower prefabricated post 3, and the integral preform beam slab 2 wraps
Horizontal board finish 27 is included, the lower surface of the board finish 27 is equipped with the connection pier 28 of protrusion and the beam 29 of intersection, the company
The intersection position that pier 28 is set to the beam 29 of intersection is connect, the height for the lower surface that connection pier 28 protrudes from board finish 27 is not less than
The beam 29 of intersection protrudes from the height of the lower surface of board finish 27, and the lower prefabricated post 3 is supported in connection pier 28 and the company
The horizontal cross-section for connecing pier 28 is corresponding with lower prefabricated post 3, and connection pier 28 offers vertical perforative 26 sum number of steel pipe connecting hole
Amount reserved indulges that muscle 31 is corresponding to wear muscle hole 25 with upper；All wears muscle hole 25 in the outside spacers cloth of the steel pipe connecting hole 26
It sets, in the present embodiment, wearing 25 quantity of muscle hole is eight, is arranged in the outside spacers of steel pipe connecting hole 26；The board finish 27 connects
Connect pier 28 and beam 29 be integrated it is pre-formed.
Referring to Fig. 1, Fig. 5-8, the upper prefabricated post 1 is placed on the integral preform beam slab 2, under the upper prefabricated post 1
Surface is embedded with vertical lower steel pipe 13 and is reserved with quantity lower reserved vertical muscle 14 corresponding with upper reserved vertical muscle 31 straight down,
In the present embodiment, lower reserved vertical 14 quantity of muscle is eight, lower reserved vertical muscle 14 with to wear muscle hole 25 one-to-one coaxial and wear muscle
Hole 25 extends into corresponding after-pouring bonding pad 5, and the lower reserved vertical muscle 14 and upper reserved vertical muscle 31 are one-to-one coaxial, described
The lower end of lower reserved vertical muscle 14 is fixedly connected in the after-pouring bonding pad 5 with the upper end of upper reserved vertical muscle 31, the present embodiment
For the connection for implementing reinforcing bar by grout sleeve 4, grout sleeve 4 is located in after-pouring bonding pad 5；The upper steel pipe 32 and lower steel
Pipe 13 is coaxial and extends into the steel pipe connecting hole 26, and the upper steel pipe 32 is built-in with connection reinforcing bar 6, the connection reinforcing bar 6
It extends upwardly in lower steel pipe 13.
Referring to fig. 4, Fig. 7-9, wherein the connection pier 28 is embedded with vertical joint steel pipe 24, the joint steel pipe
24 inner hole forms the steel pipe connecting hole 26；The joint steel pipe 24 is that the change that internal diameter is gradually reduced from middle part to both ends is cut
Face steel pipe；The muscle hole 25 of wearing is variable cross-section hole from middle part to both ends that be gradually reduced from of internal diameter, it is all wear muscle hole 25 with connect pier
The molding of 28 integral preform of platform.The free end nozzle of the upper steel pipe 32 and lower steel pipe 13 is throat structure, the upper steel pipe 32
It is connected separately with end face sealing plate 33 with the pre-buried end pipe mouth of lower steel pipe 13, the shape of the end face sealing plate 33 is greater than upper 32 He of steel pipe
The outer diameter of lower steel pipe 13；Through-hole is offered on the end face sealing plate 33 of the lower steel pipe 13, is opened up on the side of the upper prefabricated post 1
There is the middle grout hole 15 for being connected to the through-hole, is also provided with the side for being connected to its lower surface on the side of the upper prefabricated post 1
Grout hole 16, the side grout hole 16 are connected in the outlet of upper 1 lower surface of prefabricated post with the muscle hole 25 of wearing, the side grout hole
16 with to wear muscle hole 25 be eight for corresponding setting；It is described to wear muscle hole 25, after-pouring bonding pad 5, lower steel pipe 13, connection steel
Grouting material is filled in pipe 24 and upper steel pipe 32.In this way, connection is perfect, implement from preset grout hole, easy to operate, filling
After material solidification, it is difficult to extract, enriches type of attachment, improves the transmission capacity of power between component.
Wherein, the lower prefabricated post 3 and upper prefabricated post 1 are identical prefabricated component, the upper reserved vertical muscle 31 and lower reserved
Vertical muscle 14 is extended out by the vertical muscle 11 of correspondence column pre-buried inside prefabricated component and is formed.In this way, standardized designs are improved, it is convenient
The implementation of industrialized production improves production efficiency.All prolong it should be noted that being not required the pre- buried column in all inside and indulging muscle 11
It stretches to form reserved vertical muscle, can be the vertical muscle 11 of the specified pre- buried column in several inside of design and extend out and formed；And it is prefabricated
It is the reinforcement cage structure that the pre-buried column in several inside indulges that muscle 11 and column tie-bar 12 are constituted inside part.Equally, integral preform beam slab 2
Inside be also embedded with the inside reinforcing bar stratum reticulare 23 of board finish 27 and the inside of beam 29 muscle 21 is indulged by beam and beam stirrup 22 is constituted
Reinforcement cage structure, when implementation, the steel pipe connecting hole 26 and wear muscle hole 25 open up it is each through the inside of integral preform beam slab 2
Between the gap of reinforcing bar.
The present invention also provides the construction methods of above-mentioned prefabricated post and integral preform beam slab assembly node, include the following steps:
1) the beam slab system and column of building are divided, according to on-site hoisting ability and preform production construction ability
Determine fragment size；Design integral preform beam slab 2 and prefabricated post；
2) the prefabricated integral preform beam slab 2 of difference and prefabricated post；Joint steel pipe 24 is preset in integral preform beam slab 2 and wears muscle hole
25；Prefabricated post (because lower prefabricated post 3 and upper prefabricated post 1 are identical prefabricated component, being referred to as prefabricated post) default after-pouring bonding pad 5,
Reserved upper reserved steel bar and lower reserved steel bar, pre-buried upper steel pipe 32 and lower steel pipe 13, preset middle grout hole 15 and side grout hole 16；
3) lower prefabricated post 3 is lifted, temporary support is set, it is capable of hoisting when implementation for keeping the vertical state of lower prefabricated post 3
Multiple lower prefabricated posts 3 are filled, in order to preferably support integral preform beam slab 2；
4) integral preform beam slab 2 is lifted, is horizontally placed in lower prefabricated post 3；Joint steel pipe is protruded into the free end of upper steel pipe 32
24 and make to wear muscle hole 25 one-to-one coaxial with upper reserved steel bar；Connection reinforcing bar 6 is placed in upper steel pipe 32；
5) upper prefabricated post 1 is lifted, the upper end of connection reinforcing bar 6 is protruded into lower steel pipe 13, and company is protruded into the free end of lower steel pipe 13
Connect steel pipe 24, lower reserved vertical muscle 14 with to wear muscle hole 25 one-to-one coaxial and wear muscle hole 25 and protrude into the after-pouring bonding pad 5；
6) each after-pouring bonding pad 5 will under reserve vertical muscle 14 and pass through grout sleeve 4 with upper reserved vertical muscle 31 and connect；
7) it is enclosed in 5 position of after-pouring bonding pad of lower prefabricated post 3 and sets template；
8) therefrom grouting material is perfused in the downward steel pipe 13 of grout hole 15, joint steel pipe 24 and upper steel pipe 32, from side grout hole 16
Grouting material is perfused to wearing muscle hole 25 and after-pouring bonding pad 5 one to one；
9) after structural strength reaches design requirement, form removal and temporary support.
When implementation, the prefabricated post is also possible to circular cylinder, reserves vertical muscle centered on the central axes of prefabricated post along it
The outer rim equal part of horizontal cross-section is uniformly distributed, and upper and lower steel pipe and the central axes of prefabricated post are coaxial.When implementation, the two of the connection reinforcing bar 6
Settable anchored end is held, i.e. the diameter at both ends is greater than the diameter at middle part to improve anti-pull-out property.It is described to wear muscle hole 25 when implementation
Can also be pre-buried and be correspondingly formed by its inner hole by the steel pipe of respective shapes, in addition, the steel pipe connecting hole 24 and wearing muscle hole 25
It can also be and be embedded in connection pier 27 in advance by the contoured foam of respective shapes, by foam after the molding of integral preform beam slab 2
It destroys and obtains.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. prefabricated post and integral preform beam slab assembly node, including horizontal integral preform beam slab and vertical prefabricated post；It is special
Sign is: the prefabricated post includes lower prefabricated post and upper prefabricated post；The upper surface of the lower prefabricated post is equipped with recessed after-pouring
Bonding pad, the lower prefabricated post are reserved with several upper reserved vertical muscle straight up, and the upper reserved muscle of indulging is from the after-pouring
Depth of the length less than after-pouring bonding pad that the bottom surface of bonding pad extends out and extends, the upper surface of the lower prefabricated post
It is embedded with vertical upper steel pipe；The integral preform beam slab is placed in the lower prefabricated post, and the integral preform beam slab offers
Vertical perforative steel pipe connecting hole and quantity reserved indulge that muscle is corresponding to wear muscle hole with upper；It is pre- that the upper prefabricated post is placed in the one
On beam slab processed, the lower surface of the upper prefabricated post is embedded with vertical lower steel pipe and is reserved with quantity straight down and indulges with upper reserve
The corresponding lower reserved vertical muscle of muscle, the lower reserved vertical muscle with wear muscle hole it is one-to-one coaxial and wear muscle hole extend into it is described after pour
Build bonding pad, the lower reserved vertical muscle and upper reserved vertical muscle are one-to-one coaxial, and the upper steel pipe and lower steel pipe extend coaxially and
Enter the steel pipe connecting hole, the upper steel pipe is built-in with connection reinforcing bar, and the connection reinforcing bar extends upwardly in lower steel pipe.
2. prefabricated post and integral preform beam slab assembly node according to claim 1, it is characterised in that: the lower prefabricated post and
Upper prefabricated post is identical prefabricated component, and the upper vertical muscle and lower reserved vertical muscle reserved is by the vertical muscle of correspondence column pre-buried inside prefabricated component
It extends out and is formed.
3. prefabricated post and integral preform beam slab assembly node according to claim 2, it is characterised in that: all is upper reserved vertical
For muscle along the outer rim arranged for interval of lower prefabricated post horizontal cross-section, the upper steel pipe is located at the middle part of lower prefabricated post horizontal cross-section.
4. prefabricated post and integral preform beam slab assembly node according to claim 3, it is characterised in that: the after-pouring connection
The quantity in area is corresponding with upper reserved vertical muscle, and the side of lower prefabricated post is laterally run through in the after-pouring bonding pad nearby.
5. prefabricated post and integral preform beam slab assembly node according to claim 4, it is characterised in that: the lower reserved vertical muscle
Lower end be fixedly connected in the after-pouring bonding pad with the upper end of upper reserved vertical muscle.
6. prefabricated post and integral preform beam slab assembly node according to claim 5, it is characterised in that: the integral preform beam
Plate includes horizontal board finish, and the lower surface of the board finish is equipped with the beam of the connection pier and intersection of protrusion, the connection pier
Platform be set to intersection beam intersection position, the lower prefabricated post be supported in connection pier and it is described connection pier horizontal cross-section with
Lower prefabricated post is corresponding, the steel pipe connecting hole and wears muscle hole and is opened in connection pier；The board finish, connection pier and beam are
Integral preform molding.
7. prefabricated post and integral preform beam slab assembly node according to claim 6, it is characterised in that: the steel pipe connecting hole
Internal diameter be gradually reduced from middle part to both ends；The internal diameter for wearing muscle hole is gradually reduced from middle part to both ends, the steel pipe connection
Hole and wear muscle hole with connect pier integral preform molding.
8. prefabricated post and integral preform beam slab assembly node according to claim 7, it is characterised in that: the upper steel pipe is under
The free end nozzle of steel pipe is throat structure, and the pre-buried end pipe mouth of the upper steel pipe and lower steel pipe is connected separately with end face envelope
Plate, the shape of the end face sealing plate are greater than the outer diameter of upper steel pipe and lower steel pipe；It is offered on the end face sealing plate of the lower steel pipe logical
Hole, offers the middle grout hole for being connected to the through-hole on the side of the upper prefabricated post, on the side of the upper prefabricated post also
The side grout hole for being connected to its lower surface is offered, the side grout hole wears muscle hole with described in the outlet of upper prefabricated post lower surface
Connection, the side grout hole are to correspond setting with muscle hole is worn.
9. prefabricated post and integral preform beam slab assembly node according to claim 8, it is characterised in that: it is described wear muscle hole, after
It pours in bonding pad, lower steel pipe, joint steel pipe and upper steel pipe filled with grouting material.
10. column and beam slab assembly node construction method, it is characterised in that: the column and beam slab assembly node are claim 9 institute
The prefabricated post and integral preform beam slab assembly node stated, construction method include the following steps:
1) the prefabricated integral preform beam slab of difference and prefabricated post；Joint steel pipe is preset in integral preform beam slab and wears muscle hole；Prefabricated post
Upper reserved steel bar and lower reserved steel bar, pre-buried upper steel pipe and lower steel pipe are reserved in default after-pouring bonding pad, preset in grout hole and
Side grout hole；
2) lower prefabricated post is lifted, temporary support is set；
3) integral preform beam slab is lifted, is horizontally placed in lower prefabricated post；The free end of upper steel pipe protrudes into joint steel pipe and makes to wear muscle
Hole is one-to-one coaxial with upper reserved steel bar；Connection reinforcing bar is placed in upper steel pipe；
4) upper prefabricated post is lifted, the upper end for connecting reinforcing bar is protruded into lower steel pipe, and joint steel pipe is protruded into the free end of lower steel pipe, lower pre-
It stays vertical muscle and to wear muscle hole one-to-one coaxial and wear muscle hole and protrude into the after-pouring bonding pad；
5) vertical muscle is reserved by under in each after-pouring bonding pad and is connect with upper reserved vertical muscle by grout sleeve；
6) it is enclosed in the after-pouring connection zone position of lower prefabricated post and sets template；
7) therefrom grouting material is perfused in the downward steel pipe of grout hole, joint steel pipe and upper steel pipe, from side grout hole to wear muscle hole and after pour
Build bonding pad perfusion grouting material；
8) after structural strength reaches design requirement, form removal and temporary support.
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| CN201811052556.XA CN109083275B (en) | 2018-09-10 | 2018-09-10 | Prefabricated column and integrated prefabricated beam plate assembly joint and construction method thereof |
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| CN201811052556.XA CN109083275B (en) | 2018-09-10 | 2018-09-10 | Prefabricated column and integrated prefabricated beam plate assembly joint and construction method thereof |
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| CN108867885A (en) * | 2018-09-10 | 2018-11-23 | 西北民族大学 | The damping energy dissipation assembly node and its construction method of prefabricated post and integral preform beam slab |
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| CN112695954A (en) * | 2020-12-21 | 2021-04-23 | 成都城投远大建筑科技有限公司 | Prefabricated column sectional prefabricating and mounting process |
| CN116145895A (en) * | 2021-12-29 | 2023-05-23 | 海南大学 | A prefabricated concrete column |
| CN115404980A (en) * | 2022-08-09 | 2022-11-29 | 四川宇砼建材有限公司 | Novel UHPC-based precast concrete frame structure system and construction method thereof |
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