CN109372155A - A kind of construction that precast concrete shear wall vertically connects and construction method - Google Patents
A kind of construction that precast concrete shear wall vertically connects and construction method Download PDFInfo
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- CN109372155A CN109372155A CN201810672318.2A CN201810672318A CN109372155A CN 109372155 A CN109372155 A CN 109372155A CN 201810672318 A CN201810672318 A CN 201810672318A CN 109372155 A CN109372155 A CN 109372155A
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- bar
- wall
- precast concrete
- construction
- shear wall
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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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- Engineering & Computer Science (AREA)
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- Load-Bearing And Curtain Walls (AREA)
Abstract
The present invention relates to a kind of construction that precast concrete shear wall vertically connects and construction methods, belong to building structure technology field.The present invention includes precast concrete shear wall, additional bar, filling perforation cement-based gelling material and late poured band.Each reserved row's bar shape trench hole of precast concrete shear wall top/bottom part, slot are distributed between vertical applied force reinforcing bar within the walls.When vertical splicing precast wall body, the slot of upper layer and lower layer wall is aligned in edge joint position to be connected to.Elongated additional bar is placed in slot, and cement injection based cementitious material is fixed.In horizontal edge joint position cast-in-place concrete, post-cast strip is formed.Upper layer and lower layer precast shear wall is by additional bar, filling perforation cement-based gelling material and late poured band in vertical securely connection, reliable power transmission.The construction that precast concrete shear wall of the invention vertically connects, switching performance are equal to existing grout sleeve connecting structure, and the globality and safety of structure is effectively ensured, and force-mechanism is clear, easy for construction, economical and practical.
Description
Technical field
The construction and construction method that precast concrete shear wall of the present invention vertically connects are applied to assembled integral concrete
In structure, belong to building structure technology field.
Background technique
In assembled monolithic concrete structure, the entirety of the vertical switching performance of precast concrete shear wall for structure
Property have great influence.Currently used connecting structure includes cast-in-place band connection, and sleeve grouting connection and preformed hole slurry anchor are taken
It connects, wherein the reserved steel bar of cast-in-site stripe connection request upper layer and lower layer wall is overlapped in edge joint position with section, and the alignment of reinforcing bar is tied up
More difficulty is pricked, sleeve grouting connection or preformed hole slurry anchor overlap joint then need lower layer's wall top protruding bar insertion upper walls
In the reserved sleeve or hole of body bottom, and aperture injects special grouting material and is fixed and connects, reinforcing bar pair in work progress
The difficulty being inserted into together is larger, and grouting cost is also higher and quality is not easy to control.
In order to simplify construction and construction, consideration is transformed traditional precast concrete shear wall, same in wall top/bottom part
When reserved row's bar shape trench hole；When precast concrete shear wall vertically connects, in edge joint position by the slot pair of upper layer and lower layer wall
Neat connection；Elongated additional bar is placed in slot, and is poured into cement-based gelling material and be fixed；Horizontal edge joint position setting
Post-cast strip sockets upper layer and lower layer precast wall body securely, and is connected to become entirety with contiguous prefabricated floor.It is of the present invention
The vertical connecting structure of precast concrete shear wall avoids the highly difficult constructions such as bar splicing or the reinforcing bar insertion of edge joint position,
It only needs to be aligned slot, it is simple and easy, construction efficiency is greatly improved, while slot is open, facilitates grouting, convenient for guaranteeing quality
And effectively reduce construction cost.
Summary of the invention
The invention proposes a kind of construction that precast concrete shear wall vertically connects and construction methods, can solve existing
When precast concrete shear wall is vertically connected in assembled monolithic concrete structure, edge joint position reinforcing bar is aligned constructional difficulties,
Grouting difficulty is big, at high cost and quality is not easy the problems such as guaranteeing.
The construction that the precast concrete shear wall vertically connects, in precast concrete shear wall top/bottom part each reserved one
Bar shape trench hole is arranged, vertically when splicing, is aligned the slot of upper layer and lower layer wall, by placing additional bar, filling perforation of being in the milk, and
Late poured band is arranged in edge joint position, and upper layer and lower layer wall is made to be equal to existing skill in vertical securely connection, the switching performance of being formed
Art connecting structure.The vertical connecting structure force-mechanism of the precast concrete shear wall is clear, simple and easy, when construction
It only needs to be aligned slot.Due to putting outside slot, grouting difficulty decline can be met using ordinary cement based cementitious material
Grouting requires, and construction cost is greatly saved, while ensure that construction quality.
Technical scheme is as follows:
A kind of construction that precast concrete shear wall vertically connects, it is characterised in that the construction includes precast concrete
Shear wall, within the walls vertical applied force reinforcing bar, additional bar, filling perforation cement-based gelling material and late poured band；It is described prefabricated mixed
Solidifying each reserved row's bar shape trench hole of soil shear wall top/bottom part, slot is uniformly distributed between vertical applied force reinforcing bar within the walls, prefabricated mixed
When solidifying soil shear wall vertically splices, connection is aligned in the slot of edge joint position upper layer and lower layer wall；The additional bar is placed in item
In shape slot, additional bar both ends are respectively protruding into upper layer and lower layer wall sufficient length；The filling perforation cement-based gelling material pours into
Reserved slot, fixed additional bar socket the formation of upper layer and lower layer wall；The late poured band is arranged in upper layer and lower layer
The horizontal edge joint position of wall, keeps wall vertically continuous, securely connects.
The depth of the bar shape trench hole is that precast concrete shear wall thickness subtracts thickness of protection tier.
The additional bar protrudes into length within the walls according to " Code for design of concrete structures " the 8.3rd and 8.4 article of regulation, is
1.6la, and it is not less than 300mm, wherein laFor tension reinforcement anchorage length；The additional bar length is equal to additional bar both ends
Protrude into the sum of length and edge joint position post-cast strip height within the walls.
The length of the bar shape trench hole is equal to additional bar and protrudes into length within the walls.
A kind of construction method for the construction that precast concrete shear wall vertically connects, which is characterized in that this method include with
Lower step:
A. prefabrication top/bottom part opens the concrete shear force wall of bar shape trench hole, and position of opening is located at vertical applied force reinforcing bar within the walls
Between, slot depth is less than precast concrete shear wall thickness, and slot length is equal to additional bar and protrudes into length within the walls；
B. vertically splice precast concrete shear wall, enable the slot of upper layer and lower layer wall be aligned in edge joint position and be connected to；
C. elongated additional bar is sequentially placed into slot；
D. cement-based gelling material is poured into slot, fixed additional bar sockets upper layer and lower layer wall；
E. after cement-based gelling material solidification, in horizontal edge joint position formwork, casting concrete forms post-cast strip, makes
Lower two layers of wall connecting becomes whole.
The depth of the bar shape trench hole is that precast concrete shear wall thickness subtracts thickness of protection tier.
The additional bar protrudes into length within the walls and is defined as according to the 8.3rd and 8.4 article of " Code for design of concrete structures "
1.6la, and it is not less than 300mm, wherein laFor tension reinforcement anchorage length；The additional bar length is equal to additional bar both ends
Protrude into the sum of length and edge joint position post-cast strip height within the walls.
The present invention has following remarkable result compared with the existing technology:
(1) slot of shear wall top/bottom part is prefabricated in the factory completion, and position is unified, and size is identical, when live splice wall,
It need to be only aligned the slot of upper layer and lower layer wall, compared with bar splicing or reinforcing bar needed for the traditional technology are inserted into, construction
Difficulty is low, and construction precision is high.(2) compared with the aperture grouting technique in grout sleeve connecting structure, the present invention is constructed outside slot
It puts, grouting is easy, and grouting material can meet grouting using ordinary cement based cementitious material and require, and greatlys save construction cost, together
When guarantee grouting quality.(3) present invention construction force-mechanism is clear, protrudes within the walls by the additional bar that modular formula calculates
Length can guarantee the effective anchoring and power transmission of additional bar, and reinforcing bar does not occur and extracts phenomenon.(4) upper layer and lower layer wall passes through
Additional bar, filling perforation grouting material and rear pouring concrete realize securely connection, and seam crossing bonding strength is high, and connection effect is equivalent
In prior art connecting structure, the vertical continuity of structure is effectively ensured, simple structure is easy for construction, economical and practical.
Detailed description of the invention
Fig. 1 is each component part relativeness perspective view of the invention.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 2.
In figure: 1-precast concrete shear wall；2-vertical applied force reinforcing bars within the walls；3-bar shape trench holes；4-additional bars；
5-filling perforation cement-based gelling materials；6-late poured bands；7-precast slabs
Specific embodiment
Below in conjunction with attached drawing, structure of the invention, work progress are further described as follows.
As shown in Figure 1, the construction that a kind of precast concrete shear wall of the invention vertically connects, including precast concrete are cut
Power wall 1, within the walls vertical applied force reinforcing bar 2, additional bar 4, filling perforation cement-based gelling material 5 and late poured band 6；It is wherein pre-
Each reserved row's bar shape trench hole 3 of 1 top/bottom part of concrete shear force wall processed, bar shape trench hole 3 are uniformly distributed in vertical applied force in shear wall
Between reinforcing bar 2, the depth of bar shape trench hole 3 is that 1 thickness of precast concrete shear wall subtracts thickness of protection tier；Vertical splicing
When precast concrete shear wall 1, connection is aligned in the bar shape trench hole 3 of edge joint position upper layer and lower layer wall；Additional bar 4 is placed in
In bar shape trench hole 3, both ends are respectively protruding into upper layer and lower layer wall sufficient length；The gelling of filling perforation cement base is poured into bar shape trench hole 3
Material 5, fixed additional bar 4, sockets upper layer and lower layer wall；Horizontal edge joint position is arranged late poured band 6, in order
Lower two layers of precast wall body is vertically continuous, securely sockets, and is connected to become entirety with contiguous prefabricated concrete slab 7.
The length that additional bar 4 protrudes into precast concrete shear wall 1 should be according to " Code for design of concrete structures " the 8.3rd He
8.4 regulations are 1.6la, and it is not less than 300mm, wherein laFor tension reinforcement anchorage length.
As shown in A-A sectional view in Fig. 3, the length of additional bar 4 is equal to reinforcing bar both ends and protrudes into length within the walls and edge joint position
The sum of the height of late poured band 6.The length of bar shape trench hole 3 is equal to additional bar 4 and protrudes into length within the walls.Upper layer and lower layer
Precast concrete shear wall 1 is in vertical edge joint position, by additional bar 4, filling perforation cement-based gelling material 5 to pour after concrete
Band 6 securely connects.
Construction method of the invention are as follows:
The construction that precast concrete shear wall of the present invention vertically connects, construction method are as follows: prefabrication top
The concrete shear force wall 1 of bottom slot, slot 3 are in strip, and position of opening is located in shear wall between vertical applied force reinforcing bar 2, item
The depth of shape slot 3 is less than the thickness of precast concrete shear wall 1, and the length of bar shape trench hole 3 is equal to additional bar 4 and protrudes into wall
Interior length；When vertical splicing precast concrete shear wall 1, the bar shape trench hole 3 of upper layer and lower layer wall is aligned in edge joint position and is connected
It is logical；Elongated additional bar 4 is sequentially placed into bar shape trench hole 3；Filling perforation cement-based gelling material is poured into bar shape trench hole 3
5, fixed additional bar 4 sockets upper layer and lower layer wall；After the solidification of filling perforation cement-based gelling material 5, in horizontal edge joint position branch
Mould, casting concrete form late poured band 6, and upper layer and lower layer wall connecting is made to become whole.
The invention proposes a kind of construction that precast concrete shear wall vertically connects and construction methods, solve existing dress
When vertically being connected with precast concrete shear wall in Integratde concrete struction, edge joint position reinforcing bar is aligned constructional difficulties, fills
It starches at high cost and quality and is not easy the problems such as guaranteeing.The construction reserves slot using precast concrete shear wall top/bottom part, places attached
Add reinforcing bar, then the method for filling perforation of being in the milk, avoids the highly difficult constructions such as bar splicing or the reinforcing bar insertion of seam crossing, same to time slot
Hole is open, facilitates grouting, can meet grouting using ordinary cement based cementitious material and require, construction cost is greatly saved.In advance
Securely connection is vertically being realized by additional bar, filling perforation grouting material and late poured band between concrete shear force wall processed,
Seam crossing bonding strength is high, and connection effect is equal to prior art connecting structure, the vertical continuity of structure has been effectively ensured,
Simple structure, it is easy for construction, it is economical and practical.
Claims (7)
1. a kind of construction that precast concrete shear wall vertically connects, it is characterised in that the construction is cut including precast concrete
Power wall, within the walls vertical applied force reinforcing bar, additional bar, filling perforation cement-based gelling material and late poured band；The concrete
Each reserved row's bar shape trench hole of native shear wall top/bottom part, slot are uniformly distributed between vertical applied force reinforcing bar within the walls, concrete
When native shear wall vertically splices, connection is aligned in the slot of edge joint position upper layer and lower layer wall；The additional bar is placed in bar shaped
In slot, additional bar both ends are respectively protruding into upper layer and lower layer wall sufficient length；The filling perforation cement-based gelling material pours into pre-
Slot is stayed, fixed additional bar sockets the formation of upper layer and lower layer wall；The late poured band is arranged in upper layer and lower layer wall
Horizontal edge joint position, keep wall vertically continuous, securely connect.
2. the construction that precast concrete shear wall according to claim 1 vertically connects, which is characterized in that the strip groove
The depth in hole is that precast concrete shear wall thickness subtracts thickness of protection tier.
3. the construction that precast concrete shear wall according to claim 1 or 2 vertically connects, which is characterized in that described attached
The length for adding reinforcing bar to protrude within the walls is 1.6la, and it is not less than 300mm, wherein laFor tension reinforcement anchorage length；The additional steel
Muscle length is equal to additional bar both ends and protrudes into the sum of length and edge joint position post-cast strip height within the walls.
4. the construction that precast concrete shear wall according to claim 1,2 or 3 vertically connects, which is characterized in that described
The length of bar shape trench hole is equal to additional bar and protrudes into length within the walls.
5. a kind of construction method for the construction that precast concrete shear wall vertically connects, which is characterized in that this method includes following
Step:
A. prefabrication top/bottom part opens the concrete shear force wall of bar shape trench hole, position of opening be located within the walls vertical applied force reinforcing bar it
Between, slot depth is less than precast concrete shear wall thickness, and slot length is equal to additional bar and protrudes into length within the walls；
B. vertically splice precast concrete shear wall, enable the slot of upper layer and lower layer wall be aligned in edge joint position and be connected to；C. in slot
Inside it is sequentially placed into elongated additional bar；D. cement-based gelling material is poured into slot, fixation additional bar sockets upper and lower two
Layer wall；E. after cement-based gelling material solidification, in horizontal edge joint position formwork, casting concrete forms post-cast strip, makes up and down
Two layers of wall connecting becomes whole.
6. construction method according to claim 5, which is characterized in that the depth of the bar shape trench hole is cut for precast concrete
Power wall thickness subtracts thickness of protection tier.
7. construction method according to claim 5, which is characterized in that the additional bar protrudes into length within the walls and is
1.6la, and it is not less than 300mm, wherein laFor tension reinforcement anchorage length；The additional bar length is equal to additional bar both ends
Protrude into the sum of length and edge joint position post-cast strip height within the walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672318.2A CN109372155A (en) | 2018-06-26 | 2018-06-26 | A kind of construction that precast concrete shear wall vertically connects and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672318.2A CN109372155A (en) | 2018-06-26 | 2018-06-26 | A kind of construction that precast concrete shear wall vertically connects and construction method |
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| CN109372155A true CN109372155A (en) | 2019-02-22 |
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| CN201810672318.2A Pending CN109372155A (en) | 2018-06-26 | 2018-06-26 | A kind of construction that precast concrete shear wall vertically connects and construction method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930716A (en) * | 2019-03-30 | 2019-06-25 | 山东汇源杭萧钢构有限公司 | Assembled architecture cross connected structure and its manufacturing method |
| CN110056092A (en) * | 2019-05-23 | 2019-07-26 | 福建工程学院 | Bolt plug-in type precast shear wall and superimposed sheet connecting structure and construction method up and down |
| CN110145067A (en) * | 2019-05-13 | 2019-08-20 | 悉地国际设计顾问（深圳）有限公司 | A kind of prefabricated panel, prefabricated panel component and its construction method |
| CN110397179A (en) * | 2019-07-16 | 2019-11-01 | 有利华建筑预制件（深圳）有限公司 | Precast concrete wall easy interface |
| CN110499822A (en) * | 2019-06-12 | 2019-11-26 | 山东联海建筑科技股份有限公司 | A kind of the precast concrete framework and its construction method of highly resistance horizontal shear |
| CN111676958A (en) * | 2020-06-04 | 2020-09-18 | 江苏文博建筑设计有限公司 | Ancient building timber pile structure of quick installation |
| CN111980197A (en) * | 2019-05-22 | 2020-11-24 | 深圳市佰邦建筑设计顾问有限公司 | Assembling type shear wall mounting process |
| CN113833168A (en) * | 2020-06-08 | 2021-12-24 | 清华大学 | Precast concrete hollow wall |
| CN117588055A (en) * | 2024-01-17 | 2024-02-23 | 清华大学 | Novel edge connection method for high-rise concrete modular building |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930716A (en) * | 2019-03-30 | 2019-06-25 | 山东汇源杭萧钢构有限公司 | Assembled architecture cross connected structure and its manufacturing method |
| CN110145067A (en) * | 2019-05-13 | 2019-08-20 | 悉地国际设计顾问（深圳）有限公司 | A kind of prefabricated panel, prefabricated panel component and its construction method |
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| CN110056092A (en) * | 2019-05-23 | 2019-07-26 | 福建工程学院 | Bolt plug-in type precast shear wall and superimposed sheet connecting structure and construction method up and down |
| CN110056092B (en) * | 2019-05-23 | 2023-09-22 | 福建工程学院 | Connecting structure of bolting-inserting type upper and lower prefabricated shear walls and superimposed sheet and construction method |
| CN110499822A (en) * | 2019-06-12 | 2019-11-26 | 山东联海建筑科技股份有限公司 | A kind of the precast concrete framework and its construction method of highly resistance horizontal shear |
| CN110397179A (en) * | 2019-07-16 | 2019-11-01 | 有利华建筑预制件（深圳）有限公司 | Precast concrete wall easy interface |
| CN111676958A (en) * | 2020-06-04 | 2020-09-18 | 江苏文博建筑设计有限公司 | Ancient building timber pile structure of quick installation |
| CN113833168A (en) * | 2020-06-08 | 2021-12-24 | 清华大学 | Precast concrete hollow wall |
| CN117588055A (en) * | 2024-01-17 | 2024-02-23 | 清华大学 | Novel edge connection method for high-rise concrete modular building |
| CN117588055B (en) * | 2024-01-17 | 2024-05-03 | 清华大学 | Edge connection method for high-rise concrete modular building |
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