CN108385857B - A kind of precast prestressed connecting structure of wall of abnormity and assembly method - Google Patents
A kind of precast prestressed connecting structure of wall of abnormity and assembly method Download PDFInfo
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- CN108385857B CN108385857B CN201810109860.7A CN201810109860A CN108385857B CN 108385857 B CN108385857 B CN 108385857B CN 201810109860 A CN201810109860 A CN 201810109860A CN 108385857 B CN108385857 B CN 108385857B
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- wall
- shear wall
- shear
- prestressing force
- longitudinal groove
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- 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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention discloses a kind of precast prestressed connecting structure of wall of abnormity and assembly methods, the connection structure includes shear wall slab and prestressing force wall, the connector that the prestressing force wall includes matrix and is distributed in around matrix, longitudinal groove is offered on the connector, the longitudinal groove is pierced by the top surface, bottom surface and the side far from matrix of connector；One side of the shear wall slab is connect with the longitudinal groove, and the longitudinal groove is made to form longitudinal slot well；The deformed bar for penetrating matrix top surface, bottom surface is distributed in the matrix, the lateral shear reinforcement for crossing the longitudinal groove is embedded in the longitudinal groove, embedded bar is provided between the shear wall slab and prestressing force wall, one end of embedded bar is located in the matrix, and the other end passes through the longitudinal groove and extend into the shear wall slab.The present invention simplifies work progress under the premise of guaranteeing quality, reduces construction cost.
Description
Technical field
The present invention relates to prefabricated assembled concrete structure and technical field of construction, and in particular to a kind of abnormity is prefabricated pre- to answer
Power connecting structure of wall and assembly method.
Background technique
The traditional house mode of construction in China substantially uses cast-in-place mode, because which has compared into technical aspect
Ripe, still, there are still problems for cast-in-place structural system, first is that construction condition is poor；Second is that site operation generates a large amount of rubbish
Rubbish, waste of material are serious；Third is that being limited by scene and weather conditions, construction efficiency is low, and the construction time is long；Fourth is that site operation pair
Surrounding environment influence is very big.Fabricated shear wall is built using industrialized mode in contrast, by the part of house or entirely
Portion's component is completed in factory's pre-production, then transports to construction site, component is assembled into one by reliable connection type
The advantages that body has short construction period, and quality is reliable and stable, environmental protection and energy saving, can greatly alleviate market pressure.
But most of existing assembly of shear wall structure connection type is vertical connection, and lateral connection mode is less, and
Lateral connection mostly uses cast-in-place concrete mode, and on-site wet operation amount is big, and needs formwork, higher cost, wallboard junction
Construction is complicated, and construction quality is not easy to control, and the shear wall structure overall mechanical properties after assembly are bad.
Summary of the invention
The purpose of the present invention is to provide a kind of precast prestressed connecting structure of wall of abnormity and assembly methods, to solve to work as
Under single prefabricated assembled shear wall lateral connection mode there are the problem of, reduce situ wet operation, simplify work progress, drop
Low cost and guarantee quality.
In order to realize above-mentioned task, the invention adopts the following technical scheme:
A kind of precast prestressed connecting structure of wall of abnormity, including shear wall slab and prestressing force wall, it is described pre- to answer
Power wall includes matrix and the connector that is distributed in around matrix, offers longitudinal groove on the connector, described
Longitudinal groove is pierced by the top surface, bottom surface and the side far from matrix of connector；One side of the shear wall slab and institute
The longitudinal groove connection stated, makes the longitudinal groove form longitudinal slot well；Be distributed in the matrix penetrate matrix top surface,
The deformed bar of bottom surface is embedded with the lateral shear reinforcement for crossing the longitudinal groove in the longitudinal groove, described
Embedded bar is provided between shear wall slab and prestressing force wall, one end of embedded bar is located in the matrix, the other end
Across the longitudinal groove and it extend into the shear wall slab.
Further, the length direction of groove symmetrically offers card along longitudinal direction on the connector of the longitudinal groove two sides
Slot is provided with a pair of card edge with card slot cooperation on the side of the shear wall slab.
Further, the elongated reinforcing bar in the longitudinal direction parallel with the deformed bar is distributed with inside the longitudinal groove,
Longitudinal elongated reinforcing bar and the lateral shear reinforcement, which are bound, to be connected.
Further, the grout sleeve led to inside shear wall slab is distributed on the side of the shear wall slab, it is described
The end of embedded bar extend into the grout sleeve.
Further, connector interval around the matrix is arranged four, makes the prestressing force wall integrally be in
" ten " character form structure.
Further, the shear wall slab and the height of the connector, thickness are all the same.
Further, the embedded bar is vertical with the deformed bar, the lateral shear reinforcement difference
It is vertical with the elongated reinforcing bar in the longitudinal direction, embedded bar.
The present invention further discloses a kind of assembly methods of precast prestressed connecting structure of wall of abnormity, including following step
It is rapid:
Step 1, it is required according to Architectural Structure Design, determines the specification ruler of all parts on shear wall slab and prestressing force wall
It is very little；
Step 2, be prefabricated in the factory shear wall slab, has stayed the filling of grout sleeve on shear wall slab in advance in the production process
Starch mouth and thick liquid discharge mouth channel；Be prefabricated in the factory prestressing force wall, applies prestressing force using pre-tensioning system；
Step 3, shear wall slab and when the prestressing force wall connecting is inserted in every embedded bar is corresponding a grouting and covers
In cylinder, make the card slot and card along close contact；The connection of each shear wall slab and prestressing force wall is sequentially completed with method；
Step 4, the casting concrete in the longitudinal slot well on shear wall slab and prestressing force wall is not necessarily to formwork；It is all vertical
It after being poured to slot well, is successively in the milk by the mouth that is in the milk into grout sleeve on each shear wall slab, until completing each
Cementing operations on shear wall slab are completed.
Further, specification described in step 1 includes: the size of shear wall slab, prestressing force wall size, grouting
The specification and spacing of sleeve, diameter, spacing, pre-buried length and the anchorage length of embedded bar, the diameter of deformed bar,
Away from, the diameter of longitudinal elongated reinforcing bar, spacing, the diameter of lateral shear reinforcement, spacing, the size on card edge and card slot.
The present invention has following technical characterstic compared with prior art:
1. the present invention for solve instantly single prefabricated assembled shear wall lateral connection mode provide a kind of new construction and
Method effectively simplifies working procedure, realizes the laterally quickly connection of prefabricated assembled shear wall；
2. steel bar stress uses deformed bar in the precast prestressed wall core space concrete of abnormity, apply prestressing force,
Be conducive to improve shear wall stress performance, improve shock resistance；
3. wall and wallboard junction form enclosed slot well, when rear pouring concrete, does not need template, is conducive to improve construction
Speed reduces production cost；
4. the elongated reinforcing bar in longitudinal direction and through-thickness transverse direction the shear reinforcement binding in enclosed slot well along setting connect, composition
Reinforced mesh provides strong constraint for rear pouring concrete, the stress performance of pouring concrete after improvement；
5. wall and wallboard junction contact surface, along leak-stopping seam is cooperatively formed, are poured mixed by card slot and card after can effectively avoid
Slurries flow out from contact surface when solidifying soil；
6. precast prestressed wall of the invention can be set as such as cross, "-" type, L shape, T depending on actual requirement of engineering
The polymorphic structures such as shape meet different construction demands.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the precast prestressed connecting structure of wall of abnormity of the invention；
Fig. 2 is the structural schematic diagram of prestressing force wall part；
Fig. 3 is the structural schematic diagram of shear wall slab part；
Fig. 4 is the cross-sectional configuration schematic diagram of structure shown in Fig. 1；
Fig. 5 (a) is prestressing force wall and shear wall slab assembling process schematic diagram (when assembly the first two shear wall slab)；
Fig. 5 (b) is prestressing force wall and shear wall slab assembling process schematic diagram (when assembling latter two shear wall slab)；
Fig. 6 (a) is structural schematic diagram when there are two connectors in linear type around matrix；
Fig. 6 (b) is the structural schematic diagram around matrix there are two connector when L-shaped；
Fig. 6 (c) is the structural schematic diagram around matrix there are three connector when " T " shape；
Figure label represents: 1-shear wall slab, 2-prestressing force walls, 201-matrixes, 202-connectors, 3-grouting
Sleeve, 4-embedded bars, 5-deformed bars, 6-longitudinal elongated reinforcing bars, 7-lateral shear reinforcements, 8-longitudinal slot wells,
9-leak-stoppings seam, 10-longitudinal grooves, 11-card edges, 12-card slots.
Specific embodiment
As shown, the invention discloses a kind of precast prestressed connecting structure of wall of abnormity, including shear wall slab 1 and
Prestressing force wall 2, the prestressing force wall 2 includes matrix 201 and the connector 202 being distributed in around matrix 201, described
Connector 202 on offer longitudinal groove 10, the longitudinal groove 10 is pierced by the top surface of connector 202, bottom surface and remote
Side from matrix 201；One side of the shear wall slab 1 is connect with the longitudinal groove 10, makes the longitudinal direction
Groove 10 forms longitudinal slot well 8；The deformed bar 5 for penetrating 201 top surface of matrix, bottom surface, institute are distributed in the matrix 201
Be embedded with the lateral shear reinforcement 7 for crossing the longitudinal groove 10 in the longitudinal groove 10 stated, the shear wall slab 1 with answer in advance
Embedded bar 4 is provided between power wall 2, one end of embedded bar 4 is located in the matrix 201, and the other end passes through described
Longitudinal groove 10 and extend into the shear wall slab 1.
Prestressing force wall 2 and shear wall slab 1 in the present invention are precast construction, wherein prestressing force wall 2 is by two
Divide and constitutes, one is it is located at the matrix 201 at middle part, the second is around the connector 202 that matrix 201 is arranged, a connector 202
A corresponding shear wall slab 1；One or more can be arranged depending on actual demand to constitute different abnormity in the connector 202
Structure, as shown in Fig. 6 (a), Fig. 6 (b) and Fig. 6 (c), wherein connector 202 is provided with two in Fig. 6 (a), Fig. 6 (b), such as
Fig. 6 (a) generally linear type structure, Fig. 6 (b) are L shape structure；Connector 202 is provided with three in Fig. 6 (c), is " T "
Shape structure.In the present embodiment by taking Fig. 1 as an example, connector 202 is provided with four in 201 ambient separation of matrix, makes described pre- answer
Power wall is integrally in " ten " character form structure.It is unfixed to the concrete shape of matrix 201 and connector 202 to require, it is preferable that described
Connector 202 be cuboid structure, and matrix 201 then can be four equal-sized cuboid structures in side, work as setting
When four connectors 202, each side of matrix 201 connects a connector 202.
For the ease of subsequent concreting and integrally-built fastness, in the connector 202 in this programme
On offer longitudinal groove 10, length (height) direction of longitudinal groove 10 is the short transverse of the connector 202, in reality
Border is in use, the length direction is the direction perpendicular to ground.The longitudinal groove 10 is the saturating formula structure of three-dimensional, i.e.,
The both ends of longitudinal groove 10 are pierced by the top surface of connector 202, bottom surface, and one side is pierced by connector 202 apart from base
A farthest side of body 201.The shear wall slab 1 is mounted on the side of the longitudinal groove 10 of prestressing force wall 2, and with institute
The connector 202 stated is coplanar, and such shear wall slab 1 has blocked the opening of 10 side of longitudinal groove, so that the longitudinal direction
Groove 10 forms longitudinal slot well 8, and the longitudinal groove 10 only has upper and lower ends penetrating at this time, and cross section is rectangular configuration；
The longitudinal slot well 8 is used for concrete perfusion.The shear wall slab 1 and the height of the connector 202, thickness are homogeneous
Together.In the present embodiment, it is preferable that the cross sectional dimensions of the longitudinal groove 10 is 200mm × 100mm.
Different parts in this programme in the shear wall slab 1 and prestressing force wall 2 are preset with reinforcing bar, to guarantee
The overall mechanical properties of this connection structure.Specifically, more prestressing force are distributed in the matrix 201 of the prestressing force wall 2
Reinforcing bar 5, the cloth set direction of deformed bar 5 are the short transverse of described matrix 201, are mutually put down between more deformed bars 5
Row, and its both ends is pierced by the top surface of matrix 201, bottom surface；In the present embodiment, the deformed bar 5 is arranged 4, Mei Yigen
Diameter be at least 20mm；Lateral shear reinforcement 7 is intervally distributed in longitudinal groove 10, lateral shear reinforcement 7 crosses described
Longitudinal groove 10, i.e., the cloth set direction of lateral shear reinforcement 7 is the width direction of the longitudinal groove 10, and lateral shearing resistance steel
The length of muscle 7 is greater than the width of the longitudinal groove 10；The diameter of the lateral shear reinforcement 7 is at least 10mm, and length is extremely
It is less 160mm, effectively to reinforce the shear resistance of junction.
The connection of the two, specifically, institute are realized between the shear wall slab 1 and prestressing force wall 2 using embedded bar 4
The one end for the embedded bar 4 stated is extend into the matrix 201, and the other end passes through longitudinal groove 10, and there are at least 200mm's
Anchorage length, this is partially protruded into the shear wall slab 1, thus connect shear wall slab 1 with the connector 202
Together.
Optionally, as shown in Figure 2 and Figure 3, groove 10 along longitudinal direction on the connector 202 of 10 two sides of longitudinal groove
Length direction symmetrically offers card slot 12, and the cooperation of a pair of and card slot 12 is provided on the side of the shear wall slab 1
Card is along 11；I.e. the card slot 12 is provided on the lateral wall of longitudinal groove 10, and the card is located at shear wall slab 1 along 11
Two sides on side, when shear wall slab 1 and the docking of prestressing force wall 2, the card slot 12 is inserted into the card along 11
Portion, junction forms the leak-stopping seam 9 of class " Z " font, it is possible to prevente effectively from slurries are flowed out from junction when rear pouring concrete.It is preferred that
Ground, along 1 thickness direction of shear wall slab, the card is along 11 with a thickness of 20mm, and perpendicular to thickness direction, the card is along 11
Length be 30mm；The size of the card slot 12 is corresponding consistent along 11 with card.
For the stress performance for further improving shear wall slab 1 and prestressing force wallboard, shock resistance is improved, is being indulged in this programme
Be distributed with the elongated reinforcing bar 6 in the longitudinal direction parallel with the deformed bar 5 inside to groove 10, longitudinal elongated reinforcing bar 6 with it is described
The lateral binding of shear reinforcement 7 connection, the diameter of longitudinal elongated reinforcing bar 6 are at least 10mm；When in multiple connection structures of the invention
When lower laying, the longitudinal slot well 8 is coaxial in the longitudinal direction, between the elongated reinforcing bar 6 in the longitudinal direction laid in adjacent longitudinal slot well 8
Mechanical connection, such as overlap.Longitudinal elongated reinforcing bar 6 and the lateral binding of shear reinforcement 7 connection composition reinforced mesh, pour coagulation after being
Soil provides strong constraint.
Further, the grout sleeve 3 led to inside shear wall slab 1, grout sleeve are distributed on the side of shear wall slab 1
3 cloth set direction is coaxially disposed, the embedded bar 4 perpendicular to the deformed bar 5 with the embedded bar 4
End extend into the grout sleeve 3, thus shear wall slab 1 and prestressing force wall 2 are connected.In addition,
When laying, the embedded bar 4 is vertical with the deformed bar 5, the lateral shear reinforcement 7 respectively with it is described
Longitudinal elongated reinforcing bar 6, embedded bar 4 are vertical.
In the present solution, shear wall slab 1 and prestressing force wall 2, which first pass through embedded bar 4, is inserted into the grout sleeve 3
Molding assembly, then the casting concrete in the longitudinal slot well 8 of formation, finally carries out grouting and completes final connection.
Based on the above technical solution, invention further provides a kind of precast prestressed walls 2 of abnormity to connect
The assembly method of structure, comprising the following steps:
Step 1, it is required according to Architectural Structure Design, determines the specification of all parts on shear wall slab 1 and prestressing force wall 2
Size, comprising: the size of shear wall slab 1,2 size of prestressing force wall, the specification and spacing of grout sleeve 3, embedded bar 4 it is straight
Diameter, spacing, pre-buried length and anchorage length, the diameter of deformed bar 5, spacing, the diameter of longitudinal elongated reinforcing bar 6, spacing are horizontal
Diameter, spacing to shear reinforcement 7 block along 11 and the size of card slot 12；
Step 2, according to the size of the shear wall slab 1 determined, the shear wall slab 1 that is prefabricated in the factory is (including on the wallboard
Each reinforcing bar), stay grouting mouth and the thick liquid discharge mouth channel of grout sleeve 3 on shear wall slab 1 in advance in the production process, to prevent
Only channel described in casting process is blocked by concrete；According to the size of the prestressing force wall 2 determined, it is prefabricated in the factory pre-
Stress wall 2 (including each reinforcing bar on the wall) applies prestressing force using pre-tensioning system；Wherein lateral shear reinforcement 7 is pouring
Fixed good position is needed before building concrete, longitudinal elongated reinforcing bar 6 is bound after demoulding；
Step 3, when shear wall slab 1 and the prestressing force wall 2 connect, the every correspondence of embedded bar 4 is inserted in a filling
It starches in sleeve 3, guarantees that the card slot 12 and card are in close contact along 11 and (do not stay gap therebetween)；It is sequentially completed with method each
The connection of shear wall slab 1 and prestressing force wall 2；
Step 4, the casting concrete in the longitudinal slot well 8 on shear wall slab 1 and prestressing force wall 2 is not necessarily to formwork；It is all
It after longitudinal slot well 8 pours, is successively in the milk by the mouth that is in the milk into grout sleeve 3 on each shear wall slab 1, until completing
Cementing operations on each shear wall slab 1 are completed.
It should be noted that the present invention is applicable not only to above-mentioned crisscross joint connection, equally to line-styled, " L " type
It connects and is applicable in T-shape node, specific implementation method is same as above.
Claims (7)
1. a kind of precast prestressed connecting structure of wall of abnormity, which is characterized in that including shear wall slab (1) and prestressing force wall
(2), the prestressing force wall (2) includes matrix (201) and is distributed in the connector (202) of matrix (201) around, described
Connector (202) on offer longitudinal groove (10), the longitudinal groove (10) is pierced by the top surface of connector (202), bottom
The side of face and separate matrix (201)；One side of the shear wall slab (1) and the longitudinal groove (10) are even
It connects, the longitudinal groove (10) is made to form longitudinal slot well (8)；It is distributed in the matrix (201) and penetrates matrix (201) top
The deformed bar (5) in face, bottom surface, be embedded in the longitudinal groove (10) cross the longitudinal groove (10) transverse direction it is anti-
Shear-steel muscle (7) is provided with embedded bar (4) between the shear wall slab (1) and prestressing force wall (2), embedded bar (4)
One end is located in the matrix (201), and the other end passes through the longitudinal groove (10) and extend into the shear wall slab
(1) in；
Connector (202) interval setting four around the matrix (201), makes the prestressing force wall (2) integrally be in
" ten " character form structure；
The shear wall slab (1) and the height of the connector (202), thickness are all the same.
2. the precast prestressed connecting structure of wall of abnormity as described in claim 1, which is characterized in that the longitudinal groove
(10) length direction of groove (10) symmetrically offers card slot (12), the shearing along longitudinal direction on the connector (202) of two sides
A pair of card edge (11) with the card slot (12) cooperation is provided on the side of wallboard (1).
3. the precast prestressed connecting structure of wall of abnormity as described in claim 1, which is characterized in that the longitudinal groove
(10) internal to be distributed with the elongated reinforcing bar in the longitudinal direction parallel with the deformed bar (5) (6), longitudinal elongated reinforcing bar (6) with it is described
Lateral shear reinforcement (7) bind connection.
4. the precast prestressed connecting structure of wall of abnormity as described in claim 1, which is characterized in that the shear wall slab
(1) it is distributed on side and leads to the internal grout sleeve (3) of shear wall slab (1), the end of the embedded bar (4) is protruded into
In to the grout sleeve (3).
5. the precast prestressed connecting structure of wall of abnormity as claimed in claim 3, which is characterized in that the embedded bar
(4) vertical with deformed bar (5), the lateral shear reinforcement (7) respectively with the elongated reinforcing bar in longitudinal direction
(6), embedded bar (4) is vertical.
6. a kind of assembly method of the precast prestressed connecting structure of wall of abnormity as claimed in claim 2, which is characterized in that packet
Include following steps:
Step 1, it is required according to Architectural Structure Design, determines the specification of all parts on shear wall slab (1) and prestressing force wall (2)
Size；
Step 2, be prefabricated in the factory shear wall slab (1), has stayed grout sleeve on shear wall slab (1) in advance in the production process
(3) grouting mouth and thick liquid discharge mouth channel；Be prefabricated in the factory prestressing force wall (2), applies prestressing force using pre-tensioning system；
Step 3, when shear wall slab (1) and the prestressing force wall (2) connect, every embedded bar (4) correspondence is inserted in one
In grout sleeve (3), it is in close contact card slot (12) and card along (11)；Each shear wall slab (1) is sequentially completed with method and is answered in advance
The connection of power wall (2)；
Step 4, the casting concrete in the longitudinal slot well (8) on shear wall slab (1) and prestressing force wall (2) is not necessarily to formwork；Institute
After thering is longitudinal slot well (8) to pour, the successively grouting into grout sleeve (3) by grouting mouth on each shear wall slab (1),
Until completing the cementing operations on each shear wall slab (1), complete.
7. the assembly method of the precast prestressed connecting structure of wall of abnormity as claimed in claim 6, which is characterized in that step 1
Described in specification include: shear wall slab (1) size, prestressing force wall (2) size, the specification of grout sleeve (3) and
Spacing, diameter, spacing, pre-buried length and the anchorage length of embedded bar (4), the diameter of deformed bar (5), spacing are longitudinal
The diameter of elongated reinforcing bar (6), spacing, the diameter of lateral shear reinforcement (7), spacing, size of the card along (11) and card slot (12).
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| CN201810109860.7A CN108385857B (en) | 2018-02-05 | 2018-02-05 | A kind of precast prestressed connecting structure of wall of abnormity and assembly method |
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| CN201810109860.7A CN108385857B (en) | 2018-02-05 | 2018-02-05 | A kind of precast prestressed connecting structure of wall of abnormity and assembly method |
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| CN108385857B true CN108385857B (en) | 2019-07-05 |
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| CN109440968A (en) * | 2018-12-14 | 2019-03-08 | 湖南远大建工股份有限公司 | Prefabricated panel, panel wall system and its construction method |
| CN110130396A (en) * | 2019-05-14 | 2019-08-16 | 沈阳建筑大学 | A kind of assembly type variable storehouse underground pipe gallery and attaching method thereof |
| CN113374093B (en) * | 2021-06-21 | 2022-06-14 | 清华大学建筑设计研究院有限公司 | Node structure for building and building structure |
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| CN107060132A (en) * | 2017-03-24 | 2017-08-18 | 广州大学 | A kind of prefabricated assembled shear wall |
| CN207919759U (en) * | 2018-02-06 | 2018-09-28 | 西安建筑科技大学 | A kind of precast prestressed connecting structure of wall of abnormity |
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