CN109680835A - A kind of self-bearing type precast concrete wall panel, concrete walls, structural system and engineering method - Google Patents
A kind of self-bearing type precast concrete wall panel, concrete walls, structural system and engineering method Download PDFInfo
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- CN109680835A CN109680835A CN201910119936.9A CN201910119936A CN109680835A CN 109680835 A CN109680835 A CN 109680835A CN 201910119936 A CN201910119936 A CN 201910119936A CN 109680835 A CN109680835 A CN 109680835A
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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
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
-
- 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
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
- E04B2/68—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
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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
A kind of self-bearing type precast concrete wall panel, concrete walls, structural system and engineering method, wallboard is divided into the cast-in-place portion in prefabricated portion and horizontal connection end, the vertical connecting pin in prefabricated portion has vertical connector, vertical connector includes prefabricated portion's vertical reinforcement and at least one vertical shear connector, the horizontal two sides in prefabricated portion have horizontal connector, horizontal connector includes prefabricated portion's horizontal reinforcement and/or at least one horizontal shear connector, and the cast-in-place portion in horizontal connection end includes topping behind cast-in-place portion's vertical reinforcement, cast-in-place portion's horizontal reinforcement and cast-in-place portion.The present invention has the combination advantage of precast concrete shear connector and precast concrete, so that house is not easy to collapse in earthquake, precast concrete shear connector can increase the Out-of Plane Stiffness of prefabricated components, enable component in construction period self-supporting, convenient for promoting site operation quality and field control.Welded connecting quality is easily controllable between prefabricated components and guarantees, speed of application is fast.
Description
Technical field
The invention belongs to prefabricated components field, especially a kind of self-bearing type precast concrete wall panel, structural system and its system
Make method.
Background technique
Building industrialization is the emphasis of development in recent years, including widelys popularize assembled architecture, encourages building enterprise
Fabricated construction, building national grade assembled architecture production base, raising assembled architecture account for ratio of new building etc..It is existing
In reinforced precast reinforced concrete shear wall and structural system in technology, connector is to realize precast concrete construction
An important factor for safety, faying face Seismic Bearing Capacity and anti-earthquake ductility.Currently used connector is plane steel plate, plane steel plate
Usually there is lifting inconvenience etc. when as connector, while due also to the edge of connector and the junction of concrete exist
Stress is concentrated, and is easy to make concrete local failure or cracking in process, is eventually led to prefabricated components defect rate height, is used
This prefabricated components are easy to cause prefabricated components Out-of Plane Stiffness insufficient when constructing, there are great construction risks.Even and if constructing
It completes, this prefabricated components mechanical property is poor, and precast construction is caused to generate local failure under earthquake, course under cyclic loading.
Therefore a kind of suitable precast concrete connector how is found, it is enable just to solve problem above when prefabricated, and
It is capable of the precast concrete of self-supporting in construction period, to important in inhibiting in building industrialization
Meanwhile it is precast concrete wall panel that the mainstream structure of building industrialization at present, which is wall, in-between using grouting
The shear wall structure system of sleeve connection, that there are quality control on construction difficulty is larger, construction period is longer, and tensile strength is low, resists
Shock stability is poor, and ductility is poor under geological process, Yi Fasheng brittle break.Earthquake disaster is to cause resident's injures and deaths disaster most
Natural calamity, wherein casualties, property loss caused by megaseisms disaster are the main losses in earthquake disaster.Due to current
Economic condition and the limitation such as technical level, earthquake reply is main in the practice of antidetonation concentrates building structure seismic resistance field, this
It is far from being enough for coping with megaseisms disaster.Therefore a kind of suitable building industrialization technology how is found, and meets industrialization
Construction requirements, but can successfully manage big shake even megaseisms is institute's facing challenges in building industrialization.
Summary of the invention
The object of the present invention is to provide a kind of self-bearing type precast concrete wall panel, concrete walls, structural system and engineering methods,
It solves existing precast concrete wall panel itself and connection type there are quality control on construction difficulty that larger, construction period is longer, resist
The technical issues of tensile strength is low, and anti-seismic performance is poor, and ductility is poor under geological process, Yi Fasheng brittle break.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of self-bearing type precast concrete wall panel, including plate body, the plate body are divided into the prefabricated portion and side or two at middle part
The cast-in-place portion in horizontal connection end of side,
The prefabricated portion includes prefabricated portion's vertical reinforcement, prefabricated portion's horizontal reinforcement and prefabricated portion's concrete,
The vertical connecting pin in the prefabricated portion has vertical connector, and the vertical connector includes stretching out prefabricated portion edge
The prefabricated portion's vertical reinforcement and at least one vertical shear connector of end face,
Prefabricated portion's vertical reinforcement is stretched out in the side of prefabricated portion edge end face or two sides are stretched out respectively up and down,
The vertical shear connector is point pre-buried in prefabricated portion's inner part, and pre-buried part is prefabricated portion's vertical reinforcement and prefabricated
Portion's horizontal reinforcement package, the vertical shear connector is one section of fashioned iron part or welds steel member,
The horizontal two sides in the prefabricated portion have horizontal connector, and the horizontal connector includes stretching out prefabricated portion's marginal end
Prefabricated portion's horizontal reinforcement and/or at least one horizontal shear connector in face,
Prefabricated portion's horizontal reinforcement is stretched out in the two sides of prefabricated portion edge end face,
The horizontal shear connector is point pre-buried in prefabricated portion's inner part, and pre-buried part is prefabricated portion's vertical reinforcement and prefabricated
Portion's horizontal reinforcement package,
The cast-in-place portion in horizontal connection end includes topping behind cast-in-place portion's vertical reinforcement, cast-in-place portion's horizontal reinforcement and cast-in-place portion,
Topping wraps up cast-in-place portion's vertical reinforcement, cast-in-place portion's horizontal reinforcement and horizontal connector after described.
The cutting of at least one the top of the horn of the end edge of the vertical shear connector is that perhaps inclined-plane or shearing resistance connect cambered surface
The stupefied cutting at least one side of the end edge of fitting is cambered surface or inclined-plane, and the surface of the shear connector is fixedly connected with
Shearing resistance attachment or/and anchoring attachment,
The shearing resistance attachment be the sidewall surfaces of vertical vertical shear connector and be firmly connected with it peg, reinforcing bar,
Steel plate or fashioned iron；
The anchoring attachment is the reinforcing bar being fixedly connected on pre-buried end surface, anchor bolt, steel plate or fashioned iron.
The vertical shear connector is one end setting in vertical connecting pin, and the other end corresponds to the position of vertical shear connector
It sets and is provided with connecting groove or connection hole；Or the vertical shear connector is respectively provided in vertical connecting pin upper and lower ends,
The setting position of the vertical shear connector at both ends is corresponding up and down,
The vertical shear connector of every vertical connecting pin in side is equipped with one between two parties or is equipped at intervals with two or more.
Cast-in-place portion's horizontal reinforcement stretches out the part in prefabricated portion closed or unclosed open shape in a ring.
The horizontal shear connector is additional levels reinforcing bar, steel plate, fashioned iron or the steel member of welding.
The prefabricated portion further includes oblique reinforcing bar, and the oblique reinforcing bar and the diagonal two vertical shear connectors closed on are solid
Surely it links together.
A kind of concrete walls of self-bearing type precast concrete wall panel, including upper layer plate body and lower layer's plate body, upper layer plate body with
Vertical bonding pad is formed at the link position of the vertical connecting pin of lower layer's plate body, it is horizontal to be equipped with vertical bonding pad in vertical bonding pad
Reinforcing bar, the vertical shear connector of upper layer plate body vertically dock in vertical bonding pad with the vertical shear connector of lower layer's plate body
It is fixedly connected as entirety, bilevel prefabricated portion's vertical reinforcement is fixedly connected in vertical bonding pad, the vertical bonding pad
Inside having poured vertical rear topping makes upper layer plate body and lower layer's plate body connect into full wafer concrete walls, and the vertical rear topping is coagulation
Soil or grouting material, vertical rear topping wrap up vertical connector and vertical bonding pad horizontal reinforcement.
A kind of concrete walls of self-bearing type precast concrete wall panel, including left side plate body and right side plate body, left side plate body with
The cast-in-place portion in the horizontal connection end of right side plate body forms horizontal connection area, and cast-in-place portion's horizontal reinforcement of two sides is fixedly connected, two sides
Topping formed by integrally casting connects into full wafer concrete walls behind cast-in-place portion, and topping is concrete or grouting material behind the cast-in-place portion.
Vertical elongated reinforcing bar, the table of the reinforcing bar are enclosed in cast-in-place portion's vertical reinforcement and cast-in-place portion's horizontal reinforcement
Face is fixedly connected with peg, and the reinforcing bar is fashioned iron, steel pipe and/or welding steel member.
A kind of structural system, including it is more than two panels concrete walls and floor be connected as one, formed concrete shear force wall
System.
A kind of structural system, including above-mentioned concrete shear wall system, further include increasing in concrete shear wall system
Frame column and Vierendeel girder, and concrete shear wall system, frame column and Vierendeel girder are connected as one, and form frame-shear wall
Structural system or frame core wall structure system.
It further include increasing dissipative member to be connected as one with concrete walls, frame column or Vierendeel girder, the dissipative member is
Constrain steel plate shear force wall, viscous damper or anti-buckling support.
A kind of construction method of self-bearing type precast concrete wall panel, construction procedure are as follows:
Step 1 makes vertical shear connector and/or horizontal shear connector；
Step 2, production mold and formwork, prefabricated portion's vertical reinforcement and prefabricated portion's horizontal reinforcement are bound in mold；
Step 3 arranges vertical shear connector by the design position of prefabricated portion's vertical reinforcement and prefabricated portion's horizontal reinforcement
And/or horizontal shear connector；
Step 4 pours prefabricated portion's concrete；
Step 5, curing concrete to predetermined strength are simultaneously transported to scene；
Step 6 installs cast-in-place portion's template, and cast-in-place portion's vertical reinforcement and cast-in-place portion's water are bound on the outside of the edge in prefabricated portion
Flat reinforcing bar；
Step 7 pours topping behind cast-in-place portion；
Step 8, topping is to predetermined strength after maintenance.
A kind of construction method of concrete walls, construction procedure are as follows:
Step 1 lifts upper layer plate body to the top of lower layer's plate body；
The vertical shear connector of upper layer plate body is vertically being connect by step 2 with the vertical shear connector of lower layer plate body
It is directly connected in area；
Prefabricated portion's vertical reinforcement of upper layer plate body is vertically being connect by step 3 with prefabricated portion's vertical reinforcement of lower layer plate body
It is fixedly connected in area, binds vertical bonding pad horizontal reinforcement；
Step 4 pours vertical rear topping in vertical bonding pad；
Step 5 conserves vertical rear topping to predetermined strength.
A kind of construction method of concrete walls, which is characterized in that construction procedure is as follows:
Left side plate body is fixedly connected by step 1 with cast-in-place portion's horizontal reinforcement of right side plate body；
Step 2, topping connects into full wafer concrete walls behind the cast-in-place portion of formed by integrally casting two sides.
Step 3 conserves behind cast-in-place portion topping to predetermined strength.
Reinforcing bar is placed in horizontal connection area before the step 2.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The present invention has special-effect to earthquake-resistant building, and is conducive to improve speed of application and construction quality.
Wallboard is divided into prefabricated portion and cast-in-place portion by the present invention, respectively four sides up and down to prefabricated portion and cast-in-place portion into
The dual reinforcing of row, effectively promotes the mechanical properties such as shearing resistance and the ductility in the vertically integrated face of precast concrete wall panel, guarantees prefabricated knot
The safety of structure.
First again reinforce be prefabricated portion vertical connecting pin add vertical connector, wherein being set to vertical shear connector
Setting purpose is to promote bending resistance, simplifies Vertical bar connection, also pre-processes to the corner location of vertical shear connector,
Reduce or avoid stress existing for the edge of connector and the junction of concrete to concentrate, to avoid concrete locally broken
Bad or cracking, improves prefabricated components yield rate.Stress, which is concentrated, to be reduced, after the completion of component construction, it is ensured that itself and concrete
The durability of binding site improves prefabricated components mechanical property, it is made to guarantee making for its function under earthquake, course under cyclic loading
With.Precast concrete shear connector of the invention has special effect to precast concrete faying face mechanical property is promoted
Fruit, and be conducive to improve speed of application and construction quality, precast concrete shear connector of the invention can be directly with pre-
Reinforcing bar is buried as lifting, the position for exposing concrete hole for hoist can also be provided with, be convenient for construction hoisting.Meanwhile it is vertical anti-
Cutting connector and connecting groove or connecting being correspondingly arranged for hole is to guarantee that vertical shear connector is correspondingly arranged groove
Or connector can effectively transmit the shearing between wainscot sheathing convenient for construction.
Second again reinforce be prefabricated portion horizontal edge add horizontal connector, avoid concrete local failure or open
It splits, improves prefabricated components yield rate, enhance the prefabricated globality durability with cast-in-place part, promote the shear resistance in vertically integrated face
Can, whole anti-seismic performance is promoted, it is made to guarantee the use of its function under earthquake, course under cyclic loading.Cast-in-place portion's water simultaneously
Flat reinforcing bar stretch out the part of plate body in a ring closed or unclosed open shape can further enhance it is prefabricated with cast-in-place part
Globality promotes the shear behavior in vertically integrated face, promotes whole anti-seismic performance.Oblique reinforcing bar can also be further added,
Oblique reinforcing bar is fixed together with vertical shear connector, and corresponding horizontal plane shearing is transmitted to vertical shear connector, so
It is directly transmitted by oblique reinforcing bar afterwards, can effectively promote the integral anti-shearing ability of prefabricated panel and corresponding wall.
Wall of the invention effectively promotes prefabricated panel faying face shear resistance, and can play oneself and bear the construction time
Between precast concrete wall panel oneself load, lifting construction speed combines the advantage of concrete structure antidetonation, compared with grout sleeve
The performances such as shear-carrying capacity, the ductility in reinforced concrete wall panel horizontal integration face of connection increase substantially, so that house is on ground
Earthquake centre is not easy to collapse, and provides enough Out-of Plane Stiffness, can be in construction period self-supporting.Especially in construction, vertical shearing resistance
After connector connection, the prefabricated panel on top is stablized, and a small amount of support is not needed or only need, and is also convenient for promoting scene
The quality of construction quality and field control, shear connector and vertical bonding pad after-pouring concrete is easily controllable and guarantees, applies
Work speed is fast.
The present invention has the combination advantage of precast concrete shear connector and precast concrete, more common reinforcing bar
Concrete panel anti-seismic performance increases substantially, so that house is not easy to collapse in earthquake, reduces the rejection rate of prefabricated components.In advance
Anti-shear concrete connector processed can increase the Out-of Plane Stiffness of prefabricated components, enable component in construction period self-supporting, be convenient for
Promote site operation quality and field control.Welded connecting quality is easily controllable between prefabricated components and guarantees, speed of application is fast.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of self-bearing type precast concrete wall panel embodiment one of the present invention.
Fig. 2 is A-A the schematic diagram of the section structure in Fig. 1.
Fig. 3 is the structural schematic diagram of vertical shear connector.
Fig. 4 is the structural schematic diagram in the prefabricated portion of self-bearing type precast concrete wall panel embodiment two of the present invention.
Fig. 5 is a kind of structural schematic diagram of B-B section in Fig. 4.
Fig. 6 is another structural schematic diagram of B-B section in Fig. 4.
Fig. 7 is the structural schematic diagram in the prefabricated portion of self-bearing type precast concrete wall panel embodiment three of the present invention.
Fig. 8 is another structural schematic diagram of C-C section in Fig. 7.
Fig. 9 is the structural schematic diagram that self-bearing type pre-cast concrete walling is vertically connected to form concrete walls.
Figure 10 is a kind of structural schematic diagram that self-bearing type pre-cast concrete walling horizontal connection forms concrete walls.
Figure 11 is another structural schematic diagram that self-bearing type pre-cast concrete walling horizontal connection forms concrete walls.
Figure 12 is the structural schematic diagram of frame-shear-wall structure system.
Appended drawing reference: the prefabricated portion 1-, the prefabricated portion's vertical reinforcement of 11-, the prefabricated portion's horizontal reinforcement of 12-, the prefabricated portion 13- are mixed
Solidifying soil, 14- oblique reinforcing bar, the cast-in-place portion in 2- horizontal connection end, the cast-in-place portion's vertical reinforcement of 21-, the cast-in-place portion's horizontal reinforcement of 22-,
Topping, the vertical shear connector of 3-, 31- cambered surface or inclined-plane, 32- shearing resistance attachment, 33- anchoring are attached behind the cast-in-place portion 23-
Part, 4- horizontal shear connector, 5- connecting groove or connection hole, the upper layer 6- plate body, 7- lower layer plate body, 8- are vertical
Bonding pad, the horizontal steel in the vertical bonding pad 81-, 9- vertically after topping, 10- plate body, plate body on the left of 15-, plate body on the right side of 16-,
17- horizontal connection area, 18- reinforcing bar, 19- frame column, 20- Vierendeel girder.
Specific embodiment
Embodiment one is joined as shown in figure 1 to 3, a kind of self-bearing type precast concrete wall panel, including plate body 10, the plate body 10
It is divided into the cast-in-place portion 2 in horizontal connection end in the prefabricated portion 1 and one or both sides at middle part.Plate shape can be "-" type, L-type or fourth
Font.It is "-" type in the present embodiment.
The prefabricated portion includes prefabricated portion's vertical reinforcement 11, prefabricated portion's horizontal reinforcement 12 and prefabricated portion's concrete 13.
The vertical connecting pin in the prefabricated portion has vertical connector, and the vertical connector includes stretching out prefabricated portion edge
Prefabricated portion's vertical reinforcement 11 of end face and four vertical shear connectors 3.Prefabricated portion's vertical reinforcement 11 is at prefabricated 1 edge of portion
The two sides up and down of end face are stretched out respectively.The vertical shear connector 3 is pre-buried in prefabricated portion's inner part point, and pre-buried part is prefabricated
Portion's vertical reinforcement 11 and prefabricated portion's horizontal reinforcement 12 package, the vertical shear connector 3 are one section of fashioned iron part or welding steel structure
Part
The horizontal two sides in the prefabricated portion 1 symmetrically have there are two horizontal connector, and the horizontal connector is horizontal shear
Connector 4, horizontal shear connector 4 is point pre-buried in prefabricated portion's inner part, and pre-buried part is prefabricated portion's vertical reinforcement 11 and prefabricated
Portion's horizontal reinforcement 12 wraps up.
The cast-in-place portion 2 in horizontal connection end is including behind cast-in-place portion's vertical reinforcement 21, cast-in-place portion's horizontal reinforcement 22 and cast-in-place portion
Topping 23, the rear topping 23 wrap up cast-in-place portion's vertical reinforcement 21, cast-in-place portion's horizontal reinforcement 22 and horizontal connector.The level
Shear connector 4 is additional levels reinforcing bar, steel plate, fashioned iron or the steel member of welding.
At least four the top of the horn of the end edge cutting of the vertical shear connector 3 is cambered surface or inclined-plane 31, other
In embodiment or at least four roadsides of the end edge of shear connector it is stupefied cutting be cambered surface or inclined-plane 31, it is described
The surface of shear connector 3 is fixedly connected with shearing resistance attachment 32 and anchoring attachment 33, in other embodiments 32 He of shearing resistance attachment
Anchoring attachment 33 can also be separately provided.The shearing resistance attachment 32 is the sidewall surfaces of vertical vertical shear connector and consolidates with it
Surely peg, reinforcing bar, steel plate or the fashioned iron connected.The anchoring attachment 33 is reinforcing bar, the anchor being fixedly connected on pre-buried end surface
Bolt, steel plate or fashioned iron.
The vertical shear connector is respectively provided in vertical connecting pin upper and lower ends, and the vertical shear connector at both ends is set
Seated position is corresponding up and down.
In other embodiments, the vertical shear connector 3 can also be one end setting, the other end in vertical connecting pin
The position of corresponding vertical shear connector is provided with connecting groove or connection hole 5.
The vertical shear connector 3 of every vertical connecting pin in side is symmetrically arranged with two between two parties.
Embodiment two, referring to fig. 4 shown in -6, what is different from the first embodiment is that the horizontal connector includes horizontal shear
Connector 4 further includes the prefabricated portion's horizontal reinforcement 12 for stretching out prefabricated portion edge end face.Prefabricated portion's horizontal reinforcement 12 is prefabricated
The two sides of portion, end face, edge are stretched out.Cast-in-place portion's horizontal reinforcement 22 stretches out the part in prefabricated portion and closed or does not seal in a ring
Shape is put in make and break.
Embodiment three, referring to shown in Fig. 7-8, unlike embodiment two, the prefabricated portion further includes oblique reinforcing bar 14,
The oblique reinforcing bar 14 is fixed together with the diagonal two vertical shear connectors 3 closed on.
The construction method of this self-bearing type precast concrete wall panel, construction procedure are as follows:
Step 1 makes vertical shear connector 3 and/or horizontal shear connector 4.
Step 2, production mold and formwork carry out prefabricated portion's vertical reinforcement 11 and prefabricated portion's horizontal reinforcement 12 in mold
Binding.
Step 3 arranges vertical shear connections by the design position of prefabricated portion's vertical reinforcement 11 and prefabricated portion's horizontal reinforcement 12
Part 3 and/or horizontal shear connector 4.
Step 4 pours prefabricated portion's concrete 13.
Step 5, curing concrete to predetermined strength are simultaneously transported to scene.
Step 6 installs cast-in-place portion's template, and cast-in-place portion's vertical reinforcement 21 and cast-in-place portion are bound on the outside of the edge in prefabricated portion
Horizontal reinforcement 22.
Step 7 pours topping 23 behind cast-in-place portion.
Step 8, topping is to predetermined strength after maintenance.
It is shown in Figure 9, a kind of concrete walls including above-mentioned self-bearing type precast concrete wall panel, including upper layer plate body 6
With lower layer plate body 7, vertical bonding pad 8 is formed at the link position of the vertical connecting pin of upper layer plate body and lower layer's plate body, is vertically connected
It connects and is equipped with vertical bonding pad horizontal reinforcement 81 in area 8, the vertical shearing resistance of the vertical shear connector 3 and lower layer's plate body of upper layer plate body
Vertically docking is fixedly connected as entirety to connector 3 in vertical bonding pad, and bilevel prefabricated portion's vertical reinforcement 11 is vertical
8 are fixedly connected in bonding pad, and vertical rear topping 9 has been poured in the vertical bonding pad 8 connects upper layer plate body 6 and lower layer's plate body 7
Be connected into full wafer concrete walls, it is described it is vertical after topping 9 be concrete or grouting material, it is vertical after topping 9 wrap up vertical connector and
Vertical bonding pad horizontal reinforcement 81.
The construction method of this concrete walls, construction procedure are as follows:
Step 1, by the lifting of upper layer plate body 6 to the top of lower layer's plate body 7.
Step 2 is vertically connecting the vertical shear connector 3 of upper layer plate body and the vertical shear connector 3 of lower layer plate body
It connects in area and is directly connected.
Step 3, by prefabricated portion's vertical reinforcement 11 of prefabricated portion's vertical reinforcement 11 of upper layer plate body and lower layer plate body vertical
It is fixedly connected in bonding pad, binds vertical bonding pad horizontal reinforcement 81.
Step 4 pours vertical rear topping 9 in vertical bonding pad 8.
Step 5 conserves vertical rear topping to predetermined strength.
It is shown in Figure 10, a kind of concrete walls including above-mentioned self-bearing type precast concrete wall panel, including left side plate body
15 and right side plate body 16, the cast-in-place portion in the horizontal connection end of left side plate body 15 and right side plate body 16 forms horizontal connection area 17, two sides
Cast-in-place portion's horizontal reinforcement 22 be fixedly connected, 23 formed by integrally casting of topping connects into full wafer concrete walls, institute behind the cast-in-place portion of two sides
Topping 23 is concrete or grouting material after stating cast-in-place portion.
Shown in Figure 11, another kind includes the concrete walls of above-mentioned self-bearing type precast concrete wall panel, the cast-in-place portion
Vertical elongated reinforcing bar 18 is enclosed in vertical reinforcement 21 and cast-in-place portion's horizontal reinforcement 22, the surface of the reinforcing bar is fixedly connected with
Peg, the reinforcing bar are fashioned iron, steel pipe and/or welding steel member.
This construction method including concrete walls, construction procedure are as follows:
Left side plate body 15 is fixedly connected by step 1 with cast-in-place portion's horizontal reinforcement 22 of right side plate body 16.
Step 2, topping 23 connects into full wafer concrete walls behind the cast-in-place portion of formed by integrally casting two sides.
Step 3 conserves behind cast-in-place portion topping to predetermined strength.
Reinforcing bar 18 is placed before the step 2 in horizontal connection area.
A kind of structural system is shear wall structure system, connects including concrete walls more than above-mentioned two panels and with floor
It is integrated, forms concrete shear wall system.
Shown in Figure 12, another structural system is frame-shear-wall structure system, including above-mentioned concrete shear force wall
System further comprises increased frame column 19 and Vierendeel girder 20 in concrete shear wall system, and concrete shear
Wall system, frame column and Vierendeel girder are connected as one, and form frame-shear-wall structure system or frame core wall structure system.
Another structural system further comprises increase dissipative member for the frame-shear-wall structure system with support
Be connected as one with concrete walls, frame column or Vierendeel girder, the dissipative member be constraint steel plate shear force wall, viscous damper or
Anti-buckling support.
Claims (16)
1. a kind of self-bearing type precast concrete wall panel, including plate body, it is characterised in that: the plate body (10) is divided into the prefabricated of middle part
The cast-in-place portion in horizontal connection end (2) in portion (1) and one or both sides,
The prefabricated portion includes prefabricated portion's vertical reinforcement (11), prefabricated portion's horizontal reinforcement (12) and prefabricated portion's concrete (13),
The vertical connecting pin in the prefabricated portion has vertical connector, and the vertical connector includes stretching out prefabricated portion edge end face
Prefabricated portion's vertical reinforcement (11) and at least one vertical shear connector (3),
Prefabricated portion's vertical reinforcement (11) is stretched out in the side of prefabricated portion (1) edge end face or two sides are stretched out respectively up and down,
The vertical shear connector (3) is point pre-buried in prefabricated portion's inner part, pre-buried part be prefabricated portion's vertical reinforcement (11) and
Prefabricated portion's horizontal reinforcement (12) package, the vertical shear connector (3) is one section of fashioned iron part or welds steel member,
The horizontal two sides of the prefabricated portion (1) have horizontal connector, and the horizontal connector includes stretching out prefabricated portion's marginal end
Prefabricated portion's horizontal reinforcement (12) in face and/or at least one horizontal shear connector (4),
Prefabricated portion's horizontal reinforcement (12) is stretched out in the two sides of prefabricated portion edge end face,
The horizontal shear connector (4) is point pre-buried in prefabricated portion's inner part, pre-buried part be prefabricated portion's vertical reinforcement (11) and
Prefabricated portion's horizontal reinforcement (12) package,
The cast-in-place portion in horizontal connection end includes pouring behind cast-in-place portion's vertical reinforcement (21), cast-in-place portion's horizontal reinforcement (22) and cast-in-place portion
Expect (23), the rear topping (23) wraps up cast-in-place portion's vertical reinforcement (21), cast-in-place portion's horizontal reinforcement (22) and horizontal connector.
2. self-bearing type precast concrete wall panel according to claim 1, it is characterised in that: the vertical shear connector
(3) cutting of at least one the top of the horn of end edge is that perhaps the end edge of inclined-plane (31) or shear connector is extremely for cambered surface
Few stupefied cutting of a line is cambered surface or inclined-plane (31), and the surface of the shear connector (3) is fixedly connected with shearing resistance attachment
(32) or/and attachment (33) are anchored,
The shearing resistance attachment (32) be the sidewall surfaces of vertical vertical shear connector and be firmly connected with it peg, reinforcing bar,
Steel plate or fashioned iron；
Anchoring attachment (33) is reinforcing bar, anchor bolt, steel plate or the fashioned iron being fixedly connected on pre-buried end surface.
3. self-bearing type precast concrete wall panel according to claim 1 or 2, it is characterised in that: the vertical shear connections
Part (3) is one end setting in vertical connecting pin, and the position that the other end corresponds to vertical shear connector is provided with connecting groove or company
Connect hole (5)；Or the vertical shear connector is respectively provided in vertical connecting pin upper and lower ends, the vertical shear connections at both ends
The setting position of part is corresponding up and down,
The vertical shear connector (3) of every vertical connecting pin in side is equipped with one between two parties or is equipped at intervals with two or more.
4. self-bearing type precast concrete wall panel according to claim 1, it is characterised in that: cast-in-place portion's horizontal reinforcement
(22) part in prefabricated portion closed or unclosed open shape in a ring are stretched out.
5. self-bearing type precast concrete wall panel according to claim 1, it is characterised in that: the horizontal shear connector
It (4) is additional levels reinforcing bar, steel plate, fashioned iron or the steel member of welding.
6. self-bearing type precast concrete wall panel according to claim 3, it is characterised in that: the prefabricated portion further includes oblique
Reinforcing bar (14), the oblique reinforcing bar (14) are fixed together with the diagonal two vertical shear connectors (3) closed on.
7. a kind of concrete walls including self-bearing type precast concrete wall panel described in any one of claim 1-6, special
Sign is: including upper layer plate body (6) and lower layer's plate body (7), the link position of the vertical connecting pin of upper layer plate body and lower layer's plate body
Place is formed vertical bonding pad (8), is equipped with vertical bonding pad horizontal reinforcement (81) in vertical bonding pad (8), upper layer plate body it is vertical
Shear connector (3) vertically docked in vertical bonding pad with the vertical shear connector (3) of lower layer plate body be fixedly connected as it is whole
Body, bilevel prefabricated portion's vertical reinforcement (11) (8) in vertical bonding pad are fixedly connected, in the vertical bonding pad (8)
Poured it is vertical after topping (9) so that upper layer plate body (6) and lower layer's plate body (7) is connected into full wafer concrete walls, it is described vertically after pour
Expect that (9) are concrete or grouting material, vertical rear topping (9) wraps up vertical connector and vertical bonding pad horizontal reinforcement (81).
8. concrete walls according to claim 7, it is characterised in that: including left side plate body (15) and right side plate body (16),
The cast-in-place portion in the horizontal connection end of left side plate body (15) and right side plate body (16) forms horizontal connection area (17), cast-in-place portion's water of two sides
Flat reinforcing bar (22) is fixedly connected, and topping (23) formed by integrally casting connects into full wafer concrete walls behind the cast-in-place portion of two sides, described cast-in-place
Topping (23) is concrete or grouting material behind portion.
9. concrete walls according to claim 8, it is characterised in that: cast-in-place portion's vertical reinforcement (21) and cast-in-place portion's water
Vertical elongated reinforcing bar (18) is enclosed in flat reinforcing bar (22), the surface of the reinforcing bar is fixedly connected with peg, and the reinforcing bar is
Fashioned iron, steel pipe and/or welding steel member.
10. a kind of structural system, it is characterised in that: including concrete more than two panels described in claim 7-9 any one
Wall and floor are connected as one, and form concrete shear wall system.
11. a kind of structural system, it is characterised in that: including concrete shear wall system described in any one of claim 10, further include
Increased frame column (19) and Vierendeel girder (20) in concrete shear wall system, and concrete shear wall system, frame column and
Vierendeel girder is connected as one, and forms frame-shear-wall structure system or frame core wall structure system.
12. structural system according to claim 11, it is characterised in that: further include increase dissipative member and concrete walls,
Frame column or Vierendeel girder are connected as one, and the dissipative member is constraint steel plate shear force wall, viscous damper or anti-buckling support.
13. a kind of construction method of self-bearing type precast concrete wall panel described in -6 any one according to claim 1, feature
It is, construction procedure is as follows:
Step 1 makes vertical shear connector (3) and/or horizontal shear connector (4)；
Step 2, production mold and formwork carry out prefabricated portion's vertical reinforcement (11) and prefabricated portion's horizontal reinforcement (12) in mold
Binding；
Step 3 arranges vertical shear connections by the design position of prefabricated portion's vertical reinforcement (11) and prefabricated portion's horizontal reinforcement (12)
Part (3) and/or horizontal shear connector (4)；
Step 4 pours prefabricated portion's concrete (13)；
Step 5, curing concrete to predetermined strength are simultaneously transported to scene；
Step 6 installs cast-in-place portion's template, and cast-in-place portion's vertical reinforcement (21) and cast-in-place portion's water are bound on the outside of the edge in prefabricated portion
Flat reinforcing bar (22)；
Step 7 pours topping (23) behind cast-in-place portion；
Step 8, topping is to predetermined strength after maintenance.
14. a kind of construction method including concrete walls as claimed in claim 7, which is characterized in that construction procedure is as follows:
Step 1, by the top of upper layer plate body (6) lifting to lower layer's plate body (7)；
Step 2 is vertically connecting the vertical shear connector (3) of upper layer plate body and the vertical shear connector (3) of lower layer plate body
It connects in area and is directly connected；
Step 3, by prefabricated portion's vertical reinforcement (11) of prefabricated portion's vertical reinforcement (11) of upper layer plate body and lower layer plate body vertical
It is fixedly connected in bonding pad, binds vertical bonding pad horizontal reinforcement (81)；
Step 4 pours vertical rear topping (9) in vertical bonding pad (8)；
Step 5 conserves vertical rear topping to predetermined strength.
15. a kind of construction method including concrete walls described in claim 8 or 9, which is characterized in that construction procedure is as follows:
Left side plate body (15) is fixedly connected by step 1 with cast-in-place portion's horizontal reinforcement (22) of right side plate body (16)；
Step 2, topping (23) connects into full wafer concrete walls behind the cast-in-place portion of formed by integrally casting two sides.
Step 3 conserves behind cast-in-place portion topping to predetermined strength.
16. according to the construction method for including concrete walls described in claim 15, it is characterised in that: the step 2 exists before
Reinforcing bar (18) are placed in horizontal connection area.
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| CN111101645A (en) * | 2019-12-31 | 2020-05-05 | 北京峰筑工程技术研究院有限公司 | Self-in-place reinforced precast concrete wallboard, connecting structure and construction method |
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| CN113027021A (en) * | 2021-03-17 | 2021-06-25 | 中国建筑第五工程局有限公司 | Support-free prefabricated floor slab with bracket |
| CN114232812A (en) * | 2021-12-29 | 2022-03-25 | 中铁建设集团有限公司 | Unequal strength wall beam joint based on steel plate hoop constrained concrete superposed short column |
| CN114737699A (en) * | 2022-06-14 | 2022-07-12 | 中冶建筑研究总院有限公司 | Assembled reinforced concrete shear wall structure and prefabricated shear wall unit |
| CN115822177A (en) * | 2022-06-14 | 2023-03-21 | 中冶建筑研究总院有限公司 | Steel bar connecting structure with anchoring plate |
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| CN115822177A (en) * | 2022-06-14 | 2023-03-21 | 中冶建筑研究总院有限公司 | Steel bar connecting structure with anchoring plate |
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