CN106906923A - The attachment means of fabricated shear wall horizontal joint and connection method - Google Patents
The attachment means of fabricated shear wall horizontal joint and connection method Download PDFInfo
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- CN106906923A CN106906923A CN201710297080.5A CN201710297080A CN106906923A CN 106906923 A CN106906923 A CN 106906923A CN 201710297080 A CN201710297080 A CN 201710297080A CN 106906923 A CN106906923 A CN 106906923A
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- shear wall
- steel framework
- precast shear
- connection
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
Attachment means and connection method the present invention relates to a kind of fabricated shear wall horizontal joint, the device is used to connect precast shear wall and lower precast shear wall, including upper connection reinforcing bar, upper connection steel framework, lower connection steel framework, lower connection reinforcing bar, upper connection steel-bar arrangement is in upper precast shear wall, upper connection reinforcing bar is fixedly connected with upper connection steel framework, upper connection steel framework is fixedly connected with lower connection steel framework, lower connection steel framework is fixedly connected with lower connection reinforcing bar, and lower connection steel-bar arrangement is in lower precast shear wall.The present invention can simplify precast shear wall assembly technology and step, shorten construction period, the pollution and waste that reduce situ wet operation, reduce construction material.
Description
Technical field
The present invention relates to a kind of fabricated shear wall connected mode, more particularly, to the connection of fabricated shear wall horizontal joint
Device and connection method, the connection of horizontal joint, belongs to building work during for fit on precast shear wall and lower precast shear wall
Journey field.
Background technology
Shear wall is primarily subjected to wind load or earthquake is made also known as wind-resistant wall, seismic structural wall, earthquake resistant wall or structural wall in house or building
With the horizontal loading and the wall of vertical load that cause, structure shear is prevented（Cut）Destruction.
The form of construction work of shear wall typically has " cast-in-place " and " assembling " two kinds of forms：" cast-in-place " is traditional mode of construction,
Need mould to fix, exactly by assembling masterplate at the scene, then carry out pouring for concrete；" assembling " is to realize that building is modern
The primary structure form of industrialization, precast shear wall is prefabricated in the factory and corresponding attachment means are reserved, at the construction field (site)
Will upper and lower two panels precast shear wall install it is in place after reliably connected by attachment means again, therefore attachment means connection
Performance will influence the globality and anti-seismic performance of precast shear wall.
Compared to the form of " cast-in-place ", fabricated shear wall has production efficiency high, good engineering quality, easily forms technology collection
Into, realize the standardization of build-up member, become more meticulous, economize on resources, environmental protection the advantages of.
Prefabricated assembled shear wall has two kinds of seam type of attachment：A kind of is the upper and lower precast shear wall of connection
Horizontal joint is connected；Another kind is the vertical abutment joint connection for connecting the adjacent two panels wall of same floor.
Prefabricated assembled shear wall horizontal joint connection should need to meet claimed below：
1st, stress performance requirement, the attachment means of fabricated shear wall horizontal joint need enough bearing capacities and deformation energy
Power, the internal force such as can undertake the tensile, compressive, bending from wall, cut；
2nd, the requirement of ductility and power consumption；
3rd, simple and quick construction, the requirement shortened the construction period, reduce situ wet operation.
Prior art is mainly met the aspect of the above three using following three kinds of attachment means and required：
1st, sleeve grouting attachment means
Fig. 1 be the method for using sleeve to be in the milk in the prior art to connect the schematic diagram of upper and lower precast shear wall, as illustrated, on
The bottom of precast shear wall 1 sets sleeve 2, and the bottom of the upper vertical reinforcement 3 in upper precast shear wall 1 is inserted from the top of sleeve 2
In entering sleeve 2；The top of the lower vertical reinforcement 5 in lower precast shear wall 4 is inserted into sleeve 2 from the bottom of sleeve 2；It is upper prefabricated
The gap of 20mm is reserved between the top surface of the bottom surface of shear wall 1 and lower precast shear wall 4, during assembling precast shear wall, branch is set
Support positions upper precast shear wall 1, and grouting material is irrigated in sleeve 2 to fill up sleeve 2 while precast shear wall 1 is with on filling up
Gap between precast shear wall 4；After grouting material maintenance knot is hard, the support of precast shear wall wall in dismounting；
2nd, slurry anchor connection device
Fig. 2 is to connect the schematic diagram of upper and lower precast shear wall using the method for slurry anchor connection in the prior art, as illustrated, upper pre-
The bottom of the upper vertical reinforcement 3 in shear wall processed 1 extends to the bottom of precast shear wall 1, in the bottom of upper precast shear wall 1
Anchor hole 6 is set, and anchor hole 6 is close with the position of upper vertical reinforcement 3 and parallel to the length direction of upper vertical reinforcement 3, the perforate of anchor hole 6
Down, top surface of the top of the lower vertical reinforcement 5 in lower precast shear wall 4 higher than lower precast shear wall；When shear wall is installed, will
Upper precast shear wall 1 aligns with lower precast shear wall 4, is inserted from the bottom opening of anchor hole 6 with vertical reinforcement 5 at present, upper prefabricated
The gap of 20mm is left between the top surface of the bottom surface of shear wall 1 and lower precast shear wall 4, support is set by upper precast shear wall 1
Positioning, irrigates in the anchor hole 6 between slurry filled up between the inside of anchor hole 6 and upper precast shear wall 1 and lower precast shear wall 4
Gap；After grouting material reaches some strength, the support of precast shear wall 1 in dismounting；
3rd, bar splicing is welded to connect device
Fig. 3 is the upper precast shear wall of method connection and the signal of lower precast shear wall in the prior art using bar splicing welding
Figure, as illustrated, set groove 7 in the bottom of upper precast shear wall 1, the bottom of the upper vertical reinforcement 3 in upper precast shear wall from
In the top insertion groove 7 of groove 7, the top of the lower vertical reinforcement 5 in lower precast shear wall 4 protrudes from lower precast shear wall 4
Top surface, during installation, precast shear wall 1 makes it be alignd with lower precast shear wall 4 in lifting, the lower vertical steel of lower precast shear wall
Muscle 5 is inserted into the middle of groove 7 from the bottom of groove 7, between the top surface of the bottom surface of upper precast shear wall 1 and lower precast shear wall 4
Leave the gap of 20mm；Set support to fix upper precast shear wall 1, the upper vertical reinforcement 3 of upper precast shear wall is prefabricated with
The lower vertical reinforcement 5 of shear wall is overlapped and is welded to connect, and fusion length is not less than both upper vertical reinforcement 3 and lower vertical reinforcement 5
10 times of middle small diameter；After the completion of welding, slurry is irrigated in groove 7 until slurry fills up the inside of groove 7 and pre- up and down
Gap between shear wall processed；Grouting material maintenance is reached after some strength, removes the support of the upper precast shear wall 1 of support.
Above-mentioned existing this three technology advantage is that the vertical reinforcement of the upper precast shear wall of connection prefabricated with is cut
Grouting material is all employ between the vertical reinforcement of power wall, the continuity of power transmission between reinforcing bar is can effectively ensure that, it is readily satisfied
Requirement to stress performance；But there are the following problems：
1st, vertical point of the general vertical distribution bar all having more than two-layer or two-layer in precast shear wall, and same facade
The spacing wing plate of cloth reinforcing bar is not more than the vertical distribution bar tens of easily in 200mm, therefore every a piece of precast shear wall, and
The technology of attachment means of being in the milk using existing sleeve, because each vertical reinforcement is required for loading onto sleeve in precast wall body,
This causes that the quantity of sleeve used is very huge, and material cost is very high, and each sleeve need accurately to carry out it is pre-buried and to
Grouting in sleeve, so results in the difficulty of construction in Practical Project larger and need to consume substantial amounts of time and financial resources；
2nd, using slurry anchor connection device of the prior art, in the spiral hoop quantity used by groove location and upper and lower precast shear wall
Vertical reinforcement quantity in wall is identical, and because in Practical Project, vertical reinforcement high number in shear wall body causes it
Material cost is higher, and the pre-buried position of each spiral hoop is required to more accurately, and also needs to grouting in it, such to do
Method is cumbersome and time consuming；
3rd, vertical point of the general vertical distribution bar all having more than two-layer or two-layer in precast shear wall, and same facade
The spacing wing plate of cloth reinforcing bar is not more than 200mm, and device is welded to connect using bar splicing of the prior art, due to will be upper pre-
Recessing in shear wall processed, the inconvenience for causing precast shear wall to make, also hampers horizontal distribution in precast shear wall
The setting of reinforcing bar；
4th, it is closely knit for grouting quality when ensureing that upper and lower precast shear wall is assembled and connection, in prior art set forth above
In the gap of 20mm is provided with between upper and lower precast shear wall, grouting material is not up to certain strong
Before degree, it is necessary to support is set upper precast shear wall is accurately positioned and is fixed up, this process had both expended material and consumption
It is time-consuming, it is also worth noting that when wall is installed, if what floor was also adopted by is laid decorative ground pre-
If floor processed, then the wall bracket with diagonal brace is likely to result in the destruction of the decorative ground on floor.
The content of the invention
The purpose of the present invention is exactly to overcome the shortcomings of existing method, there is provided a kind of fabricated shear wall horizontal joint
Attachment means and connection method, the device can meet structure safety, ductility and power consumption, simple and quick construction, shorten construction work
Phase, the requirement for reducing situ wet operation.
In order to solve the above-mentioned technical problem, the technical scheme is that：The connection dress of fabricated shear wall horizontal joint
Put, for connecting upper precast shear wall and lower precast shear wall, including upper connection reinforcing bar, upper connection steel framework, lower connection steel framework, under
Connection reinforcing bar, in upper precast shear wall, upper connection reinforcing bar is fixedly connected upper connection steel-bar arrangement with upper connection steel framework, upper connection
Steel framework is fixedly connected with lower connection steel framework, and lower connection steel framework is fixedly connected with lower connection reinforcing bar, and lower connection steel-bar arrangement is lower pre-
In shear wall processed.
Further, upper connection steel framework includes the bottom web of horizontal epiplastron and level, and epiplastron top both sides are all provided with
Vertical upper flange is equipped with, bottom web top both sides are provided with vertical lower wing plate, lower wing plate top connection epiplastron following table
Face, epiplastron is close to the bottom of precast shear wall, upper flange inner side and upper connection reinforcement welding；Lower connection steel framework includes water
Flat web, web both sides are provided with vertical wing plate, and web is close to the top of lower precast shear wall, the wing below web
Plate inner side and lower connection reinforcement welding, the bottom web of upper connection steel framework are in contact with the web of lower connection steel framework.
Further, the spiral shell on screw, and lower wing plate and wing plate is set on the wing plate on lower wing plate and above web
Realize connecting being fixedly connected for steel framework and lower connection steel framework with respect to set bolt one by one in hole.
Further, there is a step between the upper flange and lower wing plate of upper connection steel framework, step width is lower connection
The wing plate thickness of steel framework is so that upper flange and wing plate flush with outer surface.
Further, upper connection reinforcing bar is the vertical distribution bar in upper precast shear wall, and lower connection reinforcing bar is prefabricated under being
Vertical distribution bar in shear wall.
Further, the outermost width of upper connection steel framework is equal to the thickness of upper precast shear wall, and lower connection steel framework is most
Outside width is equal to the thickness of lower precast shear wall；The outside spacing of the upper connection lower wing plate of steel framework two is equal to lower connection steel framework
The inner side spacing of two wing plates.
Further, the upper connection reinforcing bar is not less than upper connection steel with the weld length on the inside of upper connection steel framework upper flange
7 times of muscle diameter；The lower connection reinforcing bar is not less than lower connection with the weld length on the inside of lower connection steel framework web lower section wing plate
7 times of bar diameter.
Further, the upper connection reinforcing bar and lower connection reinforcing bar are many, are parallel to each other and set at equal intervals, upper company
Connect reinforcing bar and the alignment of lower connection reinforcing bar is set.
Further, when attachment means undertake pulling force, pressure, shearing, moment of flexure, stress bang path is as follows：
（1）When shear wall tension, pulling force bang path is as follows：
Upper precast shear wall, upper connection reinforcing bar, the upper flange of upper connection steel framework, the lower wing plate of upper connection steel framework, lower connection steel framework
Wing plate, lower connection reinforcing bar, lower precast shear wall；
（2）When shear wall is pressurized, pressure transmission path is as follows：
Upper precast shear wall, the epiplastron of upper connection steel framework, the bottom web of upper connection steel framework, the web of lower connection steel framework is lower pre-
Shear wall processed；
（3）When shear wall is cut, Shear transfer path is as follows：
Upper precast shear wall, upper connection reinforcing bar, the upper flange of upper connection steel framework, the lower wing plate of upper connection steel framework, lower connection steel framework
Wing plate, lower connection reinforcing bar, lower precast shear wall；
（4）When shear wall by it is curved when, pulling force and pressure can be broken down into, its Path of Force Transfer and foregoing pulling force, pressure
Bang path is identical.
The connection method of the attachment means of fabricated shear wall horizontal joint is as follows, previously according to upper precast shear wall with
Steel framework and lower connection steel framework, upper company are connected in the Position Design of the thickness of precast shear wall and upper connection reinforcing bar and lower connection reinforcing bar
The epiplastron for connecing steel framework is close to the bottom of precast shear wall, by the upper flange inner side of upper connection steel framework and upper connection steel bar welding
Connect, the web of lower connection steel framework is close to the top of lower precast shear wall, by lower connection steel framework on the inside of the wing plate below web
With lower connection reinforcement welding；When on-site hoisting splices upper precast shear wall and lower precast shear wall, by the upper of upper precast shear wall
Connect in the lower connection steel framework of the lower precast shear wall of lower wing plate and bottom web insertion of steel framework, make on the lower wing plate of connection steel framework
Screw with it is lower connection steel framework wing plate on screw align, and make connect steel framework in bottom web with it is lower connection steel framework in
Web is contacted, and is then attached by setting bolt in screw, the spelling of precast shear wall and lower precast shear wall in completion
Dress.
The present invention substitute sleeve grouting connection, slurry anchor connection, bar splicing welding etc. in existing connection precast shear wall and
The technology of lower precast shear wall, can simplify precast shear wall assembly technology, shorten the construction period, reduce situ wet operation amount, subtract
Few artificial consuming and waste of material.
Compared to existing technology, the invention has the advantages that：
1）The making of present invention connection steel framework, connection steel framework exist in advance with the connection of reinforcing bar, the making of precast shear wall is connected
Factory makes, and only needs to for upper and lower precast shear wall to lift assembly at the scene, by the screw of the connection steel framework that aligns, and uses spiral shell
Bolt is completed upper and lower precast shear wall is assembled, and existing after waiting bolt to fasten, it is possible to continue up assembled precast shear wall
Compared in conventional wet method connection, using the wet trade at the present invention scene of can largely reducing, hence it is evident that shorten the duration；
2）The setting of horizontal distribution reinforcing bar in precast shear wall is not interfered with using the present invention；
3）Using the present invention, during assembly, it is not necessary to which the support of fixed precast shear wall is set, with present practices well
Compare, have the advantages that obvious workload is small, it is less to expend the time, and do not interfere with other constructing operations in room；
4）Because connector negligible amounts, thus in assembled precast shear wall easily positioning and install the degree of accuracy it is high；
5）Protective facing can also be set up outside apparatus of the present invention, to strengthen the fire resisting fire protecting performance of steel member.
Brief description of the drawings
Fig. 1 is method connection upper precast shear wall and the signal of lower precast shear wall of the prior art using sleeve grouting
Figure；
Fig. 2 is method connection upper precast shear wall and the schematic diagram of lower precast shear wall of the prior art using slurry anchor connection；
Fig. 3 is method connection upper precast shear wall and the signal of lower precast shear wall of the prior art using bar splicing welding
Figure；
Fig. 4 is that fabricated shear wall horizontal joint attachment means connect cuing open at reinforcing bar and attachment means along shear wall width
Face figure；
Fig. 5 is that fabricated shear wall horizontal joint attachment means connect cuing open at reinforcing bar and attachment means along shear wall's thickness direction
Face figure.
In figure：The upper precast shear walls of 1-, 2- sleeves, the upper vertical reinforcements of 3-, precast shear wall under 4-, vertical reinforcement under 5-,
6- anchor holes, 7- grooves to be connected on 8- and connect reinforcing bar under reinforcing bar, 9-, to be connected on 10- and connect steel framework, 12- upper limbs under steel framework, 11-
Plate, 13- epiplastrons, 14- lower wing plates, 15- bottom webs, 16- wing plates, 17- webs, 18- screws, 19- bolts.
Specific embodiment
To further understand the present invention, the invention will be further described below in conjunction with the accompanying drawings, but reality of the invention
Mode is applied not limit so.
As shown in Figure 4 and Figure 5, the attachment means of fabricated shear wall horizontal joint, for connect upper precast shear wall and
Lower precast shear wall, including upper connection reinforcing bar, upper connection steel framework, lower connection steel framework, lower connection reinforcing bar, upper connection steel-bar arrangement exist
In upper precast shear wall, upper connection reinforcing bar is fixedly connected with upper connection steel framework, and upper connection steel framework is fixedly connected with lower connection steel framework,
Lower connection steel framework is fixedly connected with lower connection reinforcing bar, and lower connection steel-bar arrangement is in lower precast shear wall.
Further, upper connection steel framework includes the bottom web of horizontal epiplastron and level, and epiplastron top both sides are all provided with
Vertical upper flange is equipped with, bottom web top both sides are provided with vertical lower wing plate, lower wing plate top connection epiplastron following table
Face, epiplastron is close to the bottom of precast shear wall, upper flange inner side and upper connection reinforcement welding；Lower connection steel framework includes water
Flat web, web both sides are provided with vertical wing plate, and web is close to the top of lower precast shear wall, the wing below web
Plate inner side and lower connection reinforcement welding, the bottom web of upper connection steel framework are in contact with the web of lower connection steel framework.
Further, the spiral shell on screw, and lower wing plate and wing plate is set on the wing plate on lower wing plate and above web
Realize connecting being fixedly connected for steel framework and lower connection steel framework with respect to set bolt one by one in hole.
Further, there is a step between the upper flange and lower wing plate of upper connection steel framework, step width is lower connection
The wing plate thickness of steel framework is so that upper flange and wing plate flush with outer surface.
Further, upper connection reinforcing bar is the vertical distribution bar in upper precast shear wall, and lower connection reinforcing bar is prefabricated under being
Vertical distribution bar in shear wall.
Further, the outermost width of upper connection steel framework is equal to the thickness of upper precast shear wall, and lower connection steel framework is most
Outside width is equal to the thickness of lower precast shear wall；The outside spacing of the upper connection lower wing plate of steel framework two is equal to lower connection steel framework
The inner side spacing of two wing plates.
Further, the upper connection reinforcing bar is not less than upper connection steel with the weld length on the inside of upper connection steel framework upper flange
7 times of muscle diameter；The lower connection reinforcing bar is not less than lower connection with the weld length on the inside of lower connection steel framework web lower section wing plate
7 times of bar diameter.
Further, the upper connection reinforcing bar and lower connection reinforcing bar are many, are parallel to each other and set at equal intervals, upper company
Connect reinforcing bar and the alignment of lower connection reinforcing bar is set.
Preferably, upper connection steel framework is identical with the thickness of lower connection steel framework wing plate, and the thickness of web is also identical.
Reinforcing bar is connected in the present invention using the vertical distribution bar being embedded in precast shear wall, lower connection reinforcing bar is used
It is embedded in the vertical distribution bar in lower precast shear wall, upper connection reinforcing bar and upper connected mode, the lower connection steel for connecting steel framework
Muscle is welded with the connected mode of lower connection steel framework using overlap joint.
For with a piece of precast shear wall, when it is assembled on another precast shear wall, it prefabricated cuts as upper
Power wall, for a piece of precast shear wall, when assembled other precast shear walls in its top, it is used as lower precast shear wall.
For with a piece of upper precast shear wall, along the horizontal length direction of its bottom surface, upper connection steel framework should be continuous arrangement.
For with a piece of lower precast shear wall, along the horizontal length direction of its top surface, lower connection steel framework should be continuous arrangement.
Upper connection steel framework and lower connection steel framework can be welded using steel plate, can also use shaped steel；Upper connection steel framework
Epiplastron be close to precast shear wall bottom surface set, it is upper connection steel framework upper flange upward and its inner side and upper connection reinforcing bar
Welding, in upper precast shear wall, the web of lower connection steel framework is close to the top surface of lower precast shear wall to upper connection steel-bar arrangement
Set, the wing plate lower inside and lower connection reinforcement welding of lower connection steel framework, lower connection steel-bar arrangement is in lower precast shear wall.
Upper connection reinforcing bar and lower connection reinforcing bar have many, are respectively separated the upper flange and lower company for being arranged on connection steel framework
Connect the inner side of the wing plate of steel framework；Upper connection reinforcing bar is strong by the tension of connection reinforcing bar with the fusion length of the upper flange of upper connection steel framework
Degree determines with diameter, lower to connect reinforcing bar with the fusion length of the wing plate of lower connection steel framework by the tensile strength and diameter for connecting reinforcing bar
It is determined that.
The lower wing plate of upper connection steel framework and the wing plate top of lower connection steel framework are both provided with double screw, its aperture, pitch-row
And number is identical, can be connected by screw bolts or other mechanical connection manners.
Precast shear wall and during lower precast shear wall in assembly, the upper connection steel framework lower half of upper precast shear wall is embedded in
In the lower connection steel framework of lower precast shear wall, make to connect on screw in steel framework on lower wing plate and wing plate in lower connection steel framework
The screw alignment in portion, and the bottom web in connection steel framework is contacted with the web in lower connection steel framework, then entered by bolt
Row connection, the assembly of precast shear wall and lower precast shear wall completions in, after completion is assembled, the non-bulging metope of connector, not volume
The outer occupancy interior space.
It is upper connection reinforcing bar and lower connection reinforcing bar as shear wall distributing reinforcement, edge member principal rod when, its cross-sectional area,
Away from must meet《Code for design of concrete structures》（GB 50010-2010）、《Anti-quake Architectural Structure Design specification》（GB50011-
2010）、《Technical specification for concrete structures of high-rise building》（JGJ 3-2010）Regulation；In addition to defined above, present invention dress
Setting, geometric parameter and the strength of materials put should also follow the related specifications requirement of the art.
The connection method of the attachment means of fabricated shear wall horizontal joint is as follows, prefabricated with according to upper precast shear wall
Steel framework and lower connection steel framework, upper connection steel are connected in the Position Design of the thickness of shear wall and upper connection reinforcing bar and lower connection reinforcing bar
The epiplastron of frame is close to the bottom of precast shear wall, by the upper flange inner side of upper connection steel framework and upper connection reinforcement welding,
The web of lower connection steel framework is close to the top of lower precast shear wall, by lower connection steel framework on the inside of the wing plate below web with
Connection reinforcement welding；Precast shear wall and during lower precast shear wall in assembly, by under the upper connection steel framework of upper precast shear wall
In the lower connection steel framework of wing plate and the lower precast shear wall of bottom web insertion, make to connect screw and the lower company on the lower wing plate of steel framework
The screw alignment on the wing plate of steel framework is connect, and makes to connect the bottom web in steel framework and contacted with the web in lower connection steel framework, so
It is attached by setting bolt in screw afterwards, the assembly of precast shear wall and lower precast shear wall in completion.
The horizontal piece attachment means of fabricated shear wall of the present invention can undertake the internal force such as pulling force, pressure, shearing, moment of flexure, make
Shear wall is safe and reliable in the connection for assembling horizontal edge joint position；
（1）When shear wall tension, pulling force bang path is as follows：
Upper precast shear wall, upper connection reinforcing bar, the upper flange of upper connection steel framework, the lower wing plate of upper connection steel framework, lower connection steel framework
Wing plate, lower connection reinforcing bar, lower precast shear wall；
（2）When shear wall is pressurized, pressure transmission path is as follows：
Upper precast shear wall, the epiplastron of upper connection steel framework, the bottom web of upper connection steel framework, the web of lower connection steel framework is lower pre-
Shear wall processed；
（3）When shear wall is cut, Shear transfer path is as follows：
Upper precast shear wall, upper connection reinforcing bar, the upper flange of upper connection steel framework, the lower wing plate of upper connection steel framework, lower connection steel framework
Wing plate, lower connection reinforcing bar, lower precast shear wall；
（4）When shear wall by it is curved when, pulling force and pressure can be broken down into, its Path of Force Transfer and foregoing pulling force, pressure
Bang path is identical.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
Some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention, in the present embodiment not
Clear and definite each group layer segment can use prior art to be realized.
Claims (10)
1. attachment means of fabricated shear wall horizontal joint, for connecting upper precast shear wall and lower precast shear wall, it is special
Levy and be：Including upper connection reinforcing bar, upper connection steel framework, lower connection steel framework, lower connection reinforcing bar, upper connection steel-bar arrangement is upper prefabricated
In shear wall, upper connection reinforcing bar is fixedly connected with upper connection steel framework, and upper connection steel framework is fixedly connected with lower connection steel framework, lower connection
Steel framework is fixedly connected with lower connection reinforcing bar, and lower connection steel-bar arrangement is in lower precast shear wall.
2. attachment means of fabricated shear wall horizontal joint according to claim 1, it is characterised in that：Upper connection steel framework
The bottom web of epiplastron and level including level, epiplastron top both sides are provided with vertical upper flange, bottom web top
Both sides are provided with vertical lower wing plate, and lower wing plate top connection epiplastron lower surface, epiplastron is close to precast shear wall
Bottom, upper flange inner side and upper connection reinforcement welding；Lower connection steel framework includes horizontal web, and web both sides are provided with perpendicular
Straight wing plate, web is close to the top of lower precast shear wall, with lower connection reinforcement welding, upper company on the inside of wing plate below web
The bottom web for connecing steel framework is in contact with the web of lower connection steel framework.
3. attachment means of fabricated shear wall horizontal joint according to claim 2, it is characterised in that：On lower wing plate
It is relative one by one with the screw set on the wing plate above web on screw, and lower wing plate and wing plate to realize connecting to set bolt
Connect being fixedly connected for steel framework and lower connection steel framework.
4. attachment means of fabricated shear wall horizontal joint according to claim 3, it is characterised in that：Upper connection steel framework
Upper flange and lower wing plate between exist a step, step width be it is lower connection steel framework wing plate thickness so that upper flange and the wing
Plate flush with outer surface.
5. according to the attachment means of one of claim 1-4 described fabricated shear wall horizontal joint, it is characterised in that：Upper company
It is the vertical distribution bar in upper precast shear wall to connect reinforcing bar, and lower connection reinforcing bar is the vertical distribution steel in lower precast shear wall
Muscle.
6. according to the attachment means of one of claim 2-4 described fabricated shear wall horizontal joint, it is characterised in that：Upper company
The outermost width for connecing steel framework is equal to the thickness of upper precast shear wall, and the outermost width of lower connection steel framework is equal to down prefabricated shearing
The thickness of wall；The outside spacing of the upper connection lower wing plate of steel framework two is equal to the inner side spacing of the lower connection wing plate of steel framework two.
7. according to the attachment means of one of claim 2-4 described fabricated shear wall horizontal joint, it is characterised in that：It is described
Upper connection reinforcing bar is not less than upper connect bar diameter 7 times with the weld length on the inside of upper connection steel framework upper flange；The lower company
Connect reinforcing bar and be not less than lower connect bar diameter 7 times with the weld length on the inside of lower connection steel framework web lower section wing plate.
8. according to the attachment means of one of claim 1-4 described fabricated shear wall horizontal joint, it is characterised in that：It is described
Upper connection reinforcing bar and lower connection reinforcing bar are many, are parallel to each other and set at equal intervals, upper connection reinforcing bar and lower connection reinforcing bar pair
It is neat to set.
9. according to the attachment means of one of claim 2-4 described fabricated shear wall horizontal joint, it is characterised in that：Connection
When device undertakes pulling force, pressure, shearing, moment of flexure, stress bang path is as follows：
（1）When shear wall tension, pulling force bang path is as follows：
Upper precast shear wall, upper connection reinforcing bar, the upper flange of upper connection steel framework, the lower wing plate of upper connection steel framework, lower connection steel framework
Wing plate, lower connection reinforcing bar, lower precast shear wall；
（2）When shear wall is pressurized, pressure transmission path is as follows：
Upper precast shear wall, the epiplastron of upper connection steel framework, the bottom web of upper connection steel framework, the web of lower connection steel framework is lower pre-
Shear wall processed；
（3）When shear wall is cut, Shear transfer path is as follows：
Upper precast shear wall, upper connection reinforcing bar, the upper flange of upper connection steel framework, the lower wing plate of upper connection steel framework, lower connection steel framework
Wing plate, lower connection reinforcing bar, lower precast shear wall；
（4）When shear wall by it is curved when, pulling force and pressure can be broken down into, its Path of Force Transfer and foregoing pulling force, pressure
Bang path is identical.
10. the connection method of the attachment means according to one of claim 2-9 described fabricated shear wall horizontal joint, it is special
Levy and be：Previously according to the position of the thickness and upper connection reinforcing bar and lower connection reinforcing bar of upper precast shear wall and lower precast shear wall
Steel framework and lower connection steel framework are connected in design, the epiplastron of upper connection steel framework is close to the bottom of precast shear wall, by upper company
The upper flange inner side of steel framework and upper connection reinforcement welding are connect, the web of lower connection steel framework is close to the top of lower precast shear wall,
By lower connection steel framework on the inside of wing plate below web with lower connection reinforcement welding；The upper precast shear wall of on-site hoisting splicing is with
During precast shear wall, by the lower wing plate of the upper connection steel framework of upper precast shear wall and the lower company of the lower precast shear wall of bottom web insertion
Connect in steel framework, make to connect the screw on the lower wing plate of steel framework and alignd with the screw on the wing plate of lower connection steel framework, and make company
The bottom web connect in steel framework is contacted with the web in lower connection steel framework, is then attached by setting bolt in screw, complete
Into the assembly of upper precast shear wall and lower precast shear wall.
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| CN201710297080.5A CN106906923A (en) | 2017-04-29 | 2017-04-29 | The attachment means of fabricated shear wall horizontal joint and connection method |
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| CN108035461A (en) * | 2017-12-25 | 2018-05-15 | 北京千城集成房屋有限公司 | A kind of perforate double steel plate shear wall body supporting item |
| CN108265856A (en) * | 2018-01-19 | 2018-07-10 | 天津大学 | A kind of steel plate embedded part formula PC shear walls splice joint structure |
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Application publication date: 20170630 |