CN107090908A - A kind of new vertical prefabricated components joint connecting method - Google Patents
A kind of new vertical prefabricated components joint connecting method Download PDFInfo
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- CN107090908A CN107090908A CN201710321747.0A CN201710321747A CN107090908A CN 107090908 A CN107090908 A CN 107090908A CN 201710321747 A CN201710321747 A CN 201710321747A CN 107090908 A CN107090908 A CN 107090908A
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- precast concrete
- concrete
- vertical member
- upper strata
- vertical
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses the new vertical prefabricated components joint connecting method of one kind, (1) hoisting prefabricated concrete horizontal component is to installation site, the colligation gluten on precast concrete horizontal member；(2) a concreting is carried out, while remaining for the space that second coagulation soil is poured in advance in node region；(3) upper strata precast concrete vertical member is lifted to installation site, the supporting steel truss for being embedded in the precast concrete vertical member of upper strata and stretch out its lower end is placed on lower floor's precast concrete vertical member, support upper strata precast concrete vertical member makes it stable；(4) reinforcing bar colligation is carried out through supporting steel truss in node region, formwork is simultaneously poured, the form removal after concrete reaches design strength to node region progress second coagulation soil.This invention ensures that effective transmission and the globality of node region of reinforced steel bar strength, simplify construction technology, convenient construction operation improves construction quality, saves construction costs, and shortens the engineering time, strengthens the integrated connection between vertical member.
Description
Technical field
The present invention relates to the new vertical prefabricated components joint connecting method of one kind.
Background technology
Prefabricated assembled concrete structure with its energy-saving and environmental protection, save that template, component quality be easily controllable, construction period
Short, saving is artificial, climate condition influences the advantage such as small, very wide in advanced countries use.In recent years, carried rapidly in construction process
On the premise of liter and national development strategy, the building industrialization road of China emerges again.As China is to prefabricated assembled mixed
The research that solidifying civil engineering is built is with wideling popularize, and prefabricated concrete structure technique of design and construction has obtained rapid development.Assembling
Formula concrete structure suffers from relatively broad application in residential housing, public building and industrial building field.
Concrete assembled structure node plays overall vertical carrying in structure and anti-seismic performance direction plays an important roll.
The connected mode of concrete assembled structure node is divided into dry type connection and wet type connection.The advantage of dry type connection is installation side
Just it is quick, and shortcoming is that ductile deformation's capacity gap is not small, it is difficult to play shock resistance；Wet type connection possesses the excellent of globality
Gesture, member reinforcing steel bar is cast-in-place by node, it is possible to achieve preferably connection and anchoring, this connected mode is similar to cast-in-place structural.
Therefore, wet type connection is the widely used node connected mode of current China.
At present, many sides being combined using local cast-in-place concrete with sleeve grouting connection of vertical prefabricated components node connection
Formula.Sleeve grouting is the service sleeve in prefabricated components making, and the node that lower floor's vertical member is connected with horizontal member is cast-in-place
Connection, as wet connection.But, which has following defect：Filled with the reinforcing bar of the vertical prefabricated components in upper strata using sleeve
Slurry connection, although ensure that effective transmission of reinforced steel bar strength, but in work progress, reinforcing bar is with sleeve contraposition and afterwards
Grouting technological requirement it is higher, technique is very cumbersome, and construction quality is difficult to ensure that, in addition, construction cost is also of a relatively high.
The content of the invention
It is an object of the invention to provide a kind of construction technology it is simple, can ensure that construction quality, efficiency of construction are high, be constructed into
This low new vertical prefabricated components joint connecting method.
The purpose of the present invention is realized by following technical measures：A kind of new vertical prefabricated components node connection side
Method, it is characterised in that specifically include following steps：
(1) hoisting prefabricated concrete horizontal component is to installation site, the colligation on the upper surface of precast concrete horizontal member
Gluten；
(2) a concreting is carried out to the precast concrete horizontal member of the complete gluten of colligation, while in precast concrete
The node region of horizontal member and precast concrete vertical member remains for the space that second coagulation soil is poured, precast concrete in advance
Vertical member is upper strata precast concrete vertical member and lower floor's precast concrete vertical member；
(3) after the concrete poured reaches design strength, one-time-concreting concrete finished surface is formed, and lifting upper strata is prefabricated
Concrete vertical member will be embedded in the upper strata precast concrete vertical member and stretch out the support of its lower end to installation site
Steel truss is placed on lower floor's precast concrete vertical member, and support upper strata precast concrete vertical member makes it stable；
(4) enter in the node region of precast concrete horizontal member and precast concrete vertical member through supporting steel truss
Row reinforcing bar colligation, formwork is simultaneously poured to node region progress second coagulation soil, after the concrete poured reaches design strength
Form removal, completes node connection.
The present invention by node cast-in-place concrete realize joint reinforcing bar connect, it is ensured that effective transmission of reinforced steel bar strength and
The globality of node region, removes sleeve grouting from and connects this link, solves existing vertical prefabricated components joint reinforcing bar connection
The problems of, the mode of the vertical prefabricated components node connection of precast concrete is simplified, convenient construction operation is improved and applied
Working medium amount, saves construction costs, and shortens the engineering time, strengthens the integrated connection between vertical member.
As the present invention a kind of preferred embodiment, the step (3) in, on one-time-concreting concrete finished surface
Shoring is installed with lateral support upper strata precast concrete vertical member to make it stable.
As one embodiment of the present invention, the precast concrete horizontal member is that precast concrete overlaps beam slab.
As one embodiment of the present invention, the precast concrete vertical member is precast concrete frame column.
Compared with prior art, the present invention has following significant effect：
The present invention by node cast-in-place concrete realize joint reinforcing bar connect, it is ensured that effective transmission of reinforced steel bar strength with
And the globality of node region.
(2) the present invention eliminates sleeve grouting and connects this link, solves existing vertical prefabricated components joint reinforcing bar connection
The problems of, the mode of the vertical prefabricated components node connection of precast concrete is simplified, convenient construction operation is improved and applied
Working medium amount, saves construction costs, and shortens the engineering time, strengthens the integrated connection between vertical member.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structure chart that the embodiment of the present invention 1 is provided with shoring；
Fig. 3 is the structural representation of the embodiment of the present invention 2.
In figure, 1, upper strata precast concrete frame column；2nd, lower floor's precast concrete frame column；3rd, precast concrete composite beam
Plate；4th, a concreting region；5th, second coagulation soil pours node region；6th, upper strata precast concrete frame column is vertical
Muscle；7th, the vertical muscle of lower floor's precast concrete frame column；8th, precast concrete overlaps the gluten of beam slab；9th, precast concrete composite beam
The bottom muscle of plate；10th, the supporting steel truss in upper strata precast concrete frame column；11st, shoring.
Embodiment
Embodiment 1
As illustrated in fig. 1 and 2, in the present embodiment, precast concrete horizontal member is that precast concrete overlaps beam slab 3, in advance
Concrete vertical member processed is precast concrete frame column, as upper strata precast concrete frame column 1 and lower floor's precast concrete
Frame column 2, the node of the present embodiment is frame column intermediate layer intermediate node.
A kind of new vertical prefabricated components joint connecting method, specifically includes following steps：
(1) hoisting prefabricated concrete folding beam slab 3 is overlapped in precast concrete and tied up on the upper surface of beam slab 3 to installation site
Prick the gluten 8 that precast concrete overlaps beam slab, the adjustment precast concrete overlapping bottom muscle 9 of beam slab 3 and lower floor's precast concrete framework
The vertical muscle 7 of post 2, the position of the vertical muscle 6 of upper strata precast concrete frame column 1.The anchorage length of each member reinforcing steel bar must be met accordingly
The requirement of specification or code；
(2) after reinforcing bar colligation is checked and accepted and finished, a coagulation is carried out to the precast concrete overlapping beam slab 3 of the complete gluten of colligation
Soil is poured, that is, forms a concreting region 4, while in precast concrete overlapping beam slab 3 and upper strata precast concrete frame
Trestle 1, the node region of lower floor's precast concrete frame column 2 remain for the space that second coagulation soil is poured in advance, as secondary mixed
Solidifying soil pours node region 5, and facilitates second coagulation soil grouting to pour in the reserved tongue and groove in root that precast concrete overlaps beam slab 3
Build.
(3) after the concrete poured reaches design strength, one-time-concreting concrete finished surface is formed, and lifting upper strata is prefabricated
Concrete frame trestle 1 will be embedded in the upper strata precast concrete vertical member 1 and stretch out the support of its lower end to installation site
Steel truss 10 is placed on lower floor's precast concrete vertical member 2, and supporting steel truss 10 can be a variety of by channel-section steel, angle steel, steel pipe etc.
Material is made.Shoring 11 is installed simultaneously, lateral support upper strata precast concrete frame column 1 makes it stable.Diagonal brace system
System can use the diagonal brace system in aluminum alloy mould plate, it would however also be possible to employ other support systems such as bowl buckle frame.
(4) in precast concrete overlapping beam slab 3 and upper strata precast concrete frame column 1, lower floor's precast concrete frame column 2
Node region carry out reinforcing bar colligation through supporting steel truss 10, treat that completion, formwork and to the section are checked and accepted in the colligation of node district reinforcing bar
Point region carries out second coagulation soil and poured, and the form removal after the concrete poured reaches design strength completes node connection.
Embodiment 2
As shown in figure 3, the present embodiment in place of the difference of embodiment 1 with being：The node of the present embodiment is in the middle of frame column
Layer mid-side node, compares from structure, and concreting region 4 is reduced except one time, the construction procedure and embodiment 1 of the present embodiment
Construction procedure it is identical.
The implementation of the present invention is not limited to this, according to the above of the present invention, knows according to the ordinary skill of this area
Know and customary means, under the premise of above-mentioned basic fundamental thought of the invention is not departed from, the present invention can also make other a variety of shapes
Modification, replacement or the change of formula, all fall within rights protection scope of the present invention.
Claims (4)
1. a kind of new vertical prefabricated components joint connecting method, it is characterised in that specifically include following steps：
(1) hoisting prefabricated concrete horizontal component is to installation site, the colligation face on the upper surface of precast concrete horizontal member
Muscle；
(2) a concreting is carried out to the precast concrete horizontal member of the complete gluten of colligation, while in precast concrete level
The node region of component and precast concrete vertical member remains for the space that second coagulation soil is poured in advance, and precast concrete is vertical
Component is upper strata precast concrete vertical member and lower floor's precast concrete vertical member；
(3) after the concrete poured reaches design strength, one-time-concreting concrete finished surface is formed, upper strata concrete is lifted
Native vertical member will be embedded in the upper strata precast concrete vertical member and stretch out the support steel truss of its lower end to installation site
Frame is placed on lower floor's precast concrete vertical member, and support upper strata precast concrete vertical member makes it stable；
(4) pass through supporting steel truss to carry out steel in the node region of precast concrete horizontal member and precast concrete vertical member
Muscle colligation, formwork is simultaneously poured, the form removal after the concrete poured reaches design strength to node region progress second coagulation soil,
Complete node connection.
2. new vertical prefabricated components joint connecting method according to claim 1, it is characterised in that：In the step (3)
In, on one-time-concreting concrete finished surface install shoring with lateral support upper strata precast concrete vertical member so that
It is stable.
3. new vertical prefabricated components joint connecting method according to claim 2, it is characterised in that：The concrete
Native horizontal member is that precast concrete overlaps beam slab.
4. new vertical prefabricated components joint connecting method according to claim 3, it is characterised in that：The concrete
Native vertical member is precast concrete frame column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710321747.0A CN107090908B (en) | 2017-05-09 | 2017-05-09 | A kind of vertical prefabricated components joint connecting method |
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| CN201710321747.0A CN107090908B (en) | 2017-05-09 | 2017-05-09 | A kind of vertical prefabricated components joint connecting method |
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| CN107090908A true CN107090908A (en) | 2017-08-25 |
| CN107090908B CN107090908B (en) | 2019-11-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999295A (en) * | 2018-07-31 | 2018-12-14 | 中国二十冶集团有限公司 | A kind of construction method of composite beam and cast-in-place column connection structure |
| CN110644624A (en) * | 2019-09-16 | 2020-01-03 | 佛山建装建筑科技有限公司 | Building connection node and construction method thereof |
| CN114150766A (en) * | 2021-12-13 | 2022-03-08 | 济南市人防建筑设计研究院有限责任公司 | Prefabricated reinforced concrete column connecting joint and construction method thereof |
| CN114382170A (en) * | 2021-12-21 | 2022-04-22 | 曹大燕 | Construction method for upper-layer prefabricated vertical component |
| CN114382169A (en) * | 2021-12-21 | 2022-04-22 | 曹大燕 | Construction method for upper layer of building based on inclined support system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999295A (en) * | 2018-07-31 | 2018-12-14 | 中国二十冶集团有限公司 | A kind of construction method of composite beam and cast-in-place column connection structure |
| CN110644624A (en) * | 2019-09-16 | 2020-01-03 | 佛山建装建筑科技有限公司 | Building connection node and construction method thereof |
| CN114150766A (en) * | 2021-12-13 | 2022-03-08 | 济南市人防建筑设计研究院有限责任公司 | Prefabricated reinforced concrete column connecting joint and construction method thereof |
| CN114382170A (en) * | 2021-12-21 | 2022-04-22 | 曹大燕 | Construction method for upper-layer prefabricated vertical component |
| CN114382169A (en) * | 2021-12-21 | 2022-04-22 | 曹大燕 | Construction method for upper layer of building based on inclined support system |
| CN114382170B (en) * | 2021-12-21 | 2024-01-30 | 曹大燕 | Construction method of upper prefabricated vertical component |
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| CN107090908B (en) | 2019-11-19 |
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