CN109281438A - Multilayer prefabricated post and construction method of the one-pass molding with bracket - Google Patents
Multilayer prefabricated post and construction method of the one-pass molding with bracket Download PDFInfo
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- CN109281438A CN109281438A CN201811186536.1A CN201811186536A CN109281438A CN 109281438 A CN109281438 A CN 109281438A CN 201811186536 A CN201811186536 A CN 201811186536A CN 109281438 A CN109281438 A CN 109281438A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention belongs to prefabricated construction design and construction fields, it is related to a kind of prefabricated assembled multilayer prefabricated post and construction method of the one-pass molding with bracket built in note, pass through the multilayer prefabricated post of prefabricated band bracket, reduce the joint connection in site number between prefabricated post, reached by the load that the concrete bracket of precast bears to transmit on precast beam and be not required to that setting support, speed of application is fast and scene is succinct, convenient for the purpose of operation.
Description
Technical field
The present invention relates to the one-pass moldings in a kind of prefabrication with the multilayer prefabricated post of bracket and its preparation
Method and construction method belong to prefabricated construction design and construction field.
Background technique
Currently, there are two kinds of forms of construction work for reinforced beam, column: traditional cast-in-place and prefabrication and assembly construction.Energetically with country
Building industrialization is advocated, this form of construction work of prefabrication and assembly construction is increasingly taken seriously.There is construction in traditional cast-in-place construction mode
Long in time limit, the disadvantages of construction quality is poor, environmental is high.And at present in prefabrication, multilayer prefabricated post is usual
It is formed by connecting using multiple single layer prefabricated posts, requires to connect using grout sleeve layer by layer or slurry anchor overlaps, and these connection sides
Formula is likely to bring the problems such as grouting is not firm, be not able to satisfy high-precision requirement of constructing, construction period is relatively long.And
And current prefabricated assembly structural is generally used and the cast-in-place identical arrangement and method for construction for having support system of tradition, so not only
It substantially prolongs the construction period and increases a large amount of support expense.Therefore a kind of disadvantages mentioned above is overcome it is necessary to design
Prefabricated beam-column connection and construction method.
Summary of the invention
To achieve the goals above, the present invention provides the multilayer prefabricated post of one-pass molding with bracket and preparation method thereof and applies
Work method is that a kind of upper and lower level column connect reliable multilayer prefabricated post with column, and passes through bracket in bean column node construction
Setting realizes that speed of application is fast and scene is succinct, without Construction of Supporting convenient for operation.
To realize the above-mentioned technical purpose, the specific technical solution that the present invention takes are as follows:
A kind of multilayer prefabricated post of the one-pass molding with bracket, the multilayer prefabricated post include several columns indulge muscle, several column tie-bars with
And several concrete columns；Be parallel to each other laid out in parallel between the vertical muscle of several columns；The column tie-bar, which is fixed on column, to be indulged on muscle,
And column tie-bar is indulged muscle with column and is arranged in a mutually vertical manner；The concrete column casting is coated on the outside that column indulges muscle and column tie-bar, and
It arranges between concrete column and concrete column in gap, the gap between adjacent two concrete column forms installation vacancy；
Installation is planted at least one external precast beam in the installation vacancy；It further include at least a pair of of concrete bracket；Each pair of concrete
Bracket is symmetrically distributed in concrete column upper end and is used to support cylinder upper end two sides；Each pair of concrete bracket includes several oxen
Leg indulges muscle, several bracket stirrups, spacer bar and concrete bodies；The bracket indulges muscle along concrete bracket genesis analysis, ox
Leg cuff muscle, which is fixed on bracket, to be indulged on muscle；The concrete bodies casting is coated on the outside that bracket indulges muscle and bracket stirrup；It is described fixed
Position reinforcing bar is symmetrical double L-shaped structure, and it is flat that the short side of the spacer bar of double L-shaped structure is fixed on its long side in concrete bodies
Row extends upwardly to outside concrete bodies in concrete column length direction；The concrete bodies, concrete column are disposable
Moulding by casting；The precast beam both ends are equipped with keyway, and the bottom surface of the keyway is equipped with beam-ends location hole；Precast beam is pacified by keyway
It is placed in installation vacancy, and is positioned by spacer bar and beam-ends location hole.
A kind of multilayer prefabricated post of the one-pass molding with bracket is constructed using following steps:
Step 1: pour at the construction field (site) be poured in basis or lower floor's post of having constructed after, the multilayer prefabricated post of hanging belt bracket will be with ox
The multilayer prefabricated post of leg is installed in basis or lower floor's post, and using temporary support fixing belt bracket simultaneously in two directions
Multilayer prefabricated post；
Step 2: basis or lower floor's post and the multilayer prefabricated post with bracket are connected using grouting process casting；
Step 3: precast beam is shelved on concrete bracket, what guarantee spacer bar can be arranged at precast beam keyway determines
Position hole；
Step 4: the keyway slot bottom in precast beam places beam bottom additional muscle, guarantee beam bottom additional muscle through installation vacancy；
Step 5: interting back on the top of precast beam indulges muscle, and it is empty to guarantee that beam bottom additional muscle and the vertical muscle of back run through installation
Position；
Step 6: using core space column tie-bar be secured across installation hole location at beam bottom additional muscle, back indulge muscle, column indulge muscle and
Column tie-bar is mutually lapped realization from the opposite two sides insertion of pillar using two U-shaped steel muscle simultaneously while fixed beam bottom is additional
Muscle, back indulge muscle, column indulges muscle and column tie-bar；
Step 7: back indulge muscle it is fixed after pour part back stirrup, and back is indulged into muscle with after by the way of cast-in-place note and is poured
Part back stirrup cladding.
Working principle: by prefabricated band bracket multilayer skewered column, the joint connection in site number of column and column is reduced, is held by bracket
Achieved the purpose that be not required to setting support by the load transmitted on precast beam.
The invention has the advantages that:
(1) multilayer prefabricated post keeps its connection reliable, not easily broken because it uses two sections or the three segmented columns technique integral prefabricated in factory
It is good to split separation, anti-seismic performance, because of prefabricated components error when being substantially shorter construction time and traditional single-unit multilayer prefabricated post connection
And it is difficult to the problem of connecting, and link cost can be reduced,
(2) setting of bracket can save a large amount of support in multilayer prefabricated post, and more safe and reliable, to save support expense
And accelerate speed of application and scene succinctly, convenient for operation.It preferably embodies prefabricated assembled build and infuses energy-saving and environmental protection, efficient etc.
Advantage.
(3) when precast beam lifting construction, any support that no setting is required under beam slab.
Detailed description of the invention
A kind of main view diagrammatic cross-section of multilayer prefabricated post of the one-pass molding of the invention of attached drawing 1 with bracket；
A kind of left view floor map of multilayer prefabricated post of the one-pass molding of the invention of attached drawing 2 with bracket；
Diagrammatic cross-section at a kind of A-A of the one-pass molding of the invention of attached drawing 3 with the multilayer prefabricated post of bracket；
Diagrammatic cross-section at a kind of B-B of the one-pass molding of the invention of attached drawing 4 with the multilayer prefabricated post of bracket；
A kind of multilayer prefabricated post concrete bracket structural schematic diagram of the one-pass molding of the invention of attached drawing 5 with bracket；
A kind of one-pass molding of the invention of attached drawing 6 is with the multilayer prefabricated post of bracket and the scheme of installation of precast beam；
Other side schematic diagram after a kind of multilayer prefabricated post of the one-pass molding of the invention of attached drawing 7 with bracket and precast beam installation；
In figure: 1, column indulges muscle；2, multilayer prefabricated post；3, concrete bracket；4, column tie-bar；5, core space column tie-bar；6, steel is positioned
Muscle；7, bracket stirrup；8, bracket indulges muscle；9, back indulges muscle；10, beam bottom indulges muscle；11, beam bottom additional muscle；12, precast beam；13, key
Slot；14, pre-embedded bolt hole；15, location hole；16, steel corbel.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of being not necessarily to creative work.
Embodiment 1
A kind of multilayer prefabricated post of the one-pass molding with bracket, the multilayer prefabricated post include that several columns indulge muscle 1, several column tie-bars 4
And several concrete columns；Be parallel to each other laid out in parallel between the vertical muscle 1 of several columns；It is vertical that the column tie-bar 4 is fixed on column
On muscle 1, and column tie-bar 4 is indulged muscle 1 with column and is arranged in a mutually vertical manner；The concrete column casting is coated on column and indulges muscle 1 and column tie-bar 4
Outside, and arrange between concrete column and concrete column in gap, the gap between adjacent two concrete column is formed
Vacancy is installed；Installation is planted at least one external precast beam 12 in the installation vacancy；It further include at least a pair of of concrete bracket
3；Each pair of concrete bracket 3 is symmetrically distributed in concrete column upper end and is used to support cylinder upper end two sides；Each pair of concrete
Bracket 3 includes that several brackets indulge muscle 8, several bracket stirrups 7, spacer bar 6 and concrete bodies；The bracket indulges muscle 8 along mixed
Solidifying 3 genesis analysis of clay ox leg, bracket stirrup 7, which is fixed on bracket, to be indulged on muscle 8；The concrete bodies casting is coated on bracket and indulges muscle 8
With the outside of bracket stirrup 7；The spacer bar 6 be symmetrical double L-shaped structure, the spacer bar 6 of double L-shaped structure it is short
While being fixed on its long side in concrete bodies is parallel to concrete column length direction, and extend upwardly to outside concrete bodies；It is described
Concrete bodies, concrete column are disposal pouring molding.
Multilayer prefabricated post of the one-pass molding with bracket, is prepared using following steps:
Step 1: several columns are indulged muscle 1 and the binding of column tie-bar 4 into the frame knot of multilayer prefabricated post 2 in factory or construction site
Structure, i.e., be parallel to each other between the vertical muscle 1 of guarantee column laid out in parallel during binding, and column tie-bar 4, which is fixed on column, to be indulged on muscle 1, and column
Stirrup 4 is indulged muscle 1 with column and is arranged in a mutually vertical manner；Its center pillar is vertical, and muscle 1 is elongated is set to the prefabricated shaft of entire multilayer；
It is fixed on by the shape of bracket in the frame structure of multilayer prefabricated post 2 Step 2: bracket is indulged muscle 8 and bracket stirrup 7, together
When spacer bar 6 be fixed on bracket indulge and obtain total frame between muscle 8 and bracket stirrup 7；
It is greater than in the multilayer prefabricated post casting mold of total lengths of frame Step 3: total frame to be placed in the length made,
Disposal molding is smash and guaranteed to disturbing concrete in module, when concrete setting when meeting demoulding strength to being demoulded to obtain band
The multilayer prefabricated post 2 of concrete bracket.
For the ease of the installation of precast beam 12,12 both ends of precast beam are equipped with keyway 13, and the bottom surface of the keyway 13 is set
There is beam-ends location hole 15；Precast beam 12 is placed in installation vacancy by keyway 13, and passes through spacer bar 6 and beam-ends location hole 15
It is positioned.
A kind of multilayer prefabricated post 2 of the one-pass molding with bracket is constructed using following steps:
Step 1: pour at the construction field (site) be poured in basis or lower floor's post of having constructed after, the multilayer prefabricated post 2 of hanging belt bracket, by band
The multilayer prefabricated post 2 of bracket is installed in basis or lower floor's post, and uses temporary support in two directions while fixing belt ox
The multilayer prefabricated post 2 of leg；
Step 2: basis or lower floor's post are connected with the multilayer prefabricated post 2 with bracket using grouting process casting, increase stability
So that precast beam 12 can be directly rested on concrete bracket 3 in step 3；
Step 3: precast beam 12 is shelved on concrete bracket 3, guarantee that spacer bar 6 can pass through at 12 keyway 13 of precast beam
The location hole 15 of setting；Guarantee that in subsequent construction technique, the precast beam 12 is not required to any support and can directly construct；
Step 4: 13 slot bottom of keyway in precast beam 12 places beam bottom additional muscle 11, guarantee that beam bottom additional muscle 11 is empty through installation
Position；
Step 5: interting back on the top of precast beam 12 indulges muscle 9, and guarantee that beam bottom additional muscle 11 is indulged muscle 9 with back and run through
Vacancy is installed；
Step 6: using core space column tie-bar 5 be secured across installation hole location at beam bottom additional muscle 11, back indulge muscle 9, column indulge muscle
1 and column tie-bar 4, i.e., realization fixed beam simultaneously is mutually lapped from the opposite two sides insertion of pillar using two U-shaped steel muscle simultaneously
Bottom additional muscle 11, back indulge muscle 9, column indulges muscle 1 and column tie-bar 4；
Part back stirrup is poured Step 7: indulging after muscle 9 is fixed in back, and back is indulged into muscle 9 with after by the way of cast-in-place note
Pour part back stirrup cladding.
Such form is suitable for the case where bearing larger load on 2 bracket of multilayer prefabricated post.
Embodiment 2
The difference from embodiment 1 is that the one-pass molding is with the more of bracket for the ease of the construction application of multilayer prefabricated post 2
Layer prefabricated post 2 further includes several pairs of steel corbels 16, and each pair of steel corbel 16 is symmetrically distributed in concrete column and is used to support one end
Two sides and with 3 vertical distribution of concrete bracket.
Specific construction step are as follows:
Step 1: in factory or construction site, column indulged to muscle 1(is elongated to be set to the prefabricated shaft of entire multilayer) and column tie-bar 4 press
Design requirement binds the frame structure at multilayer prefabricated post 2；
It is fixed on by the shape of bracket in the frame structure of multilayer prefabricated post 2 Step 2: bracket is indulged muscle 8 and bracket stirrup 7, together
When spacer bar 6 be fixed on bracket indulge and obtain total frame between muscle 8 and bracket stirrup 7；
Step 3: 16 connection pre-embedded bolt hole 14 of steel corbel to be fixed on to two sections or three sections for being placed in and making after total frame
In 2 mold of multilayer prefabricated post of pillar, disturbing concrete, one-pass molding, when concrete is stand-by to demoulding when meeting demoulding strength；
Step 4: at the construction field (site), steel corbel 16 first can be fixed by bolts in (steel corbel in pre-embedded bolt hole 14 before lifting
16 and the bearing capacity of bolt can be sized according to the beam load that upper part is shelved), then carry out lifting and subsequent job,
The lifting for first carrying out multilayer prefabricated post 2 carries out the processes such as lifting and the casting of cast-in-place part of subsequent precast beam 12 later, subsequent to apply
It does not need that any support is arranged under work central sill yet.
Step 5: when the node casting complete that precast beam 12 is connect with multilayer prefabricated post 2 and after reach design strength, steel ox
Leg 16 is dismountable and reusable.
Such form is suitable for the case where bearing on 2 bracket of multilayer prefabricated post compared with small load.
The above is only embodiments of the present invention, and the description thereof is more specific and detailed, and but it cannot be understood as right
The limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (2)
1. a kind of multilayer prefabricated post of one-pass molding with bracket, the multilayer prefabricated post includes that several columns indulge muscle, several column tie-bars
And several concrete columns；Be parallel to each other laid out in parallel between the vertical muscle of several columns；The column tie-bar, which is fixed on column, indulges muscle
On, and column tie-bar is indulged muscle with column and is arranged in a mutually vertical manner；The concrete column casting is coated on the outside that column indulges muscle and column tie-bar,
And arrange between concrete column and concrete column in gap, it is empty that the gap between adjacent two concrete column forms installation
Position；Installation is planted at least one external precast beam in the installation vacancy；It is characterized in that, further including at least a pair of of coagulation clay ox
Leg；Each pair of concrete bracket is symmetrically distributed in concrete column upper end and is used to support cylinder upper end two sides；Each pair of concrete
Bracket includes that several brackets indulge muscle, several bracket stirrups, spacer bar and concrete bodies；The bracket indulges muscle along coagulation clay ox
The longitudinal direction of leg is distributed, and bracket stirrup, which is fixed on bracket, to be indulged on muscle；The concrete bodies casting is coated on bracket and indulges muscle and ox
The outside of leg cuff muscle；The spacer bar is symmetrical double L-shaped structure, and the short side of the spacer bar of double L-shaped structure is fixed
In in concrete bodies, long side is parallel to concrete column length direction, and extends upwardly to outside concrete bodies；The concrete
Body, concrete column are disposal pouring molding；The precast beam both ends are equipped with keyway, and the bottom surface of the keyway is fixed equipped with beam-ends
Position hole；Precast beam is placed in installation vacancy by keyway, and is positioned by spacer bar and beam-ends location hole.
2. a kind of multilayer prefabricated post of the one-pass molding according to claim 1 with bracket, which is characterized in that be using as follows
What step was constructed:
Step 1: pour at the construction field (site) be poured in basis or lower floor's post of having constructed after, the multilayer prefabricated post of hanging belt bracket will be with ox
The multilayer prefabricated post of leg is installed in basis or lower floor's post, and using temporary support fixing belt bracket simultaneously in two directions
Multilayer prefabricated post；
Step 2: basis or lower floor's post and the multilayer prefabricated post with bracket are connected using grouting process casting；
Step 3: precast beam is shelved on concrete bracket, what guarantee spacer bar can be arranged at precast beam keyway determines
Position hole；
Step 4: the keyway slot bottom in precast beam places beam bottom additional muscle, guarantee beam bottom additional muscle through installation vacancy；
Step 5: interting back on the top of precast beam indulges muscle, and it is empty to guarantee that beam bottom additional muscle and the vertical muscle of back run through installation
Position；
Step 6: using core space column tie-bar be secured across installation hole location at beam bottom additional muscle, back indulge muscle, column indulge muscle and
Column tie-bar is mutually lapped realization from the opposite two sides insertion of pillar using two U-shaped steel muscle simultaneously while fixed beam bottom is additional
Muscle, back indulge muscle, column indulges muscle and column tie-bar；
Step 7: back indulge muscle it is fixed after pour part back stirrup, and back is indulged into muscle with after by the way of cast-in-place note and is poured
Part back stirrup cladding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186536.1A CN109281438A (en) | 2016-10-21 | 2016-10-21 | Multilayer prefabricated post and construction method of the one-pass molding with bracket |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919890.5A CN106437031B (en) | 2016-10-21 | 2016-10-21 | The multilayer prefabricated post of one-pass molding with bracket and preparation method thereof and construction method |
| CN201811186536.1A CN109281438A (en) | 2016-10-21 | 2016-10-21 | Multilayer prefabricated post and construction method of the one-pass molding with bracket |
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| CN201610919890.5A Division CN106437031B (en) | 2016-10-21 | 2016-10-21 | The multilayer prefabricated post of one-pass molding with bracket and preparation method thereof and construction method |
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| CN109281438A true CN109281438A (en) | 2019-01-29 |
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| CN201610919890.5A Active CN106437031B (en) | 2016-10-21 | 2016-10-21 | The multilayer prefabricated post of one-pass molding with bracket and preparation method thereof and construction method |
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| CN114875965A (en) * | 2022-06-08 | 2022-08-09 | 青岛中科坤泰装配建筑科技有限公司 | Assembly integral type subway station structure |
| CN114809086A (en) * | 2022-06-08 | 2022-07-29 | 青岛中科坤泰装配建筑科技有限公司 | Integral subway station structure of assembly of annular reinforcing bar overlap joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095014A (en) * | 2022-07-07 | 2022-09-23 | 中建八局西北建设有限公司 | Column bracket structure for mounting precast beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106437031B (en) | 2019-02-05 |
| CN106437031A (en) | 2017-02-22 |
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Application publication date: 20190129 |