CN106760049A - The attachment structure and its casting method of shear wall and after-pouring concrete secondary beam - Google Patents
The attachment structure and its casting method of shear wall and after-pouring concrete secondary beam Download PDFInfo
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- CN106760049A CN106760049A CN201611052119.9A CN201611052119A CN106760049A CN 106760049 A CN106760049 A CN 106760049A CN 201611052119 A CN201611052119 A CN 201611052119A CN 106760049 A CN106760049 A CN 106760049A
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- shear wall
- secondary beam
- concrete
- concrete secondary
- reinforcement
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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
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a kind of shear wall and the attachment structure of after-pouring concrete secondary beam, it connects shear wall and after-pouring concrete secondary beam, vertical reinforcement and horizontal reinforcement are set in wall, pouring basin after secondary beam is reserved in attachment structure, shear wall sets connecting parts in the concrete secondary beam longitudinal reinforcement correspondence position of after-pouring concrete secondary beam, the collar extension of connecting parts is flushed exposed to shear wall body surface and with metope, and the horizontal reinforcement and vertical reinforcement in wall expose to pour in the rear and stay rooved face.Present invention also offers a kind of casting method.The present invention is connected using concrete secondary beam longitudinal reinforcement by pre-buried connecting parts, will not the concrete shear force wall that pour completion be caused to damage.Pour afterwards and stay shear wall horizontal reinforcement and shear wall vertical reinforcement in groove to expose, improve the reliability of the contact surface cohesive force of new-old concrete, pour afterwards stay groove presence make after pour secondary beam and be embedded into inside shear wall, the construction quality of node structure is easily controlled, and with comparatively ideal outward appearance.
Description
Technical field
The present invention relates to a kind of shear wall, more particularly to attachment structure of the shear wall with concrete secondary beam and its side of pouring
Method.
Background technology
Shear wall is to be primarily subjected to horizontal loading and the vertical lotus that wind load or geological process cause in house or structures
The wall of load, prevents structure shear from destroying, and is typically made by armored concrete.In following kind of engineering, it is desirable to shear wall
Poured prior to floor beam：
1st, the building of high-rise frame core wall structure, when building, is accelerating construction progress, the concrete core cylinder shearing of high building
Wall is generally using the arrangement and method for construction of creeping formwork so that 3 ~ 5 layers of the contignation of the advanced flooring of construction speed of Core Walls Structure shear wall.
2nd, the clear-water concrete structural wall of multilayer structure, to strengthen the airtight performance of template, is prevented in construction
Spillage, it is ensured that wall associative perception, it is desirable to after completing the overall pouring construction of dry concrete wall, then the building for carrying out outside functional areas
The construction of face beam slab.
In said structure, floor beam need could be constructed after shear wall concrete reaches preset strength, shear wall with it is rear
The node of casting concrete floor beam is a difficult point, and generally for this difficult point is avoided, floor beam generally selects girder steel, uses
The pre-embedded steel slab in shear wall, girder steel and pre-buried plate weld or bolted method, between such shear wall and floor beam
Connecting node is easier to treatment.But the cost of steel structure floor is higher.
When flooring secondary beam uses reinforced concrete structure, the connection of the shear wall and the secondary beam of after-pouring that first pour at present
The processing method of node is：
First pouring reinforcement concrete shear wall, after shear wall concrete reaches preset strength, by concrete secondary beam longitudinal reinforcement
Concrete shear is planted in the way of bar planting within the walls, afterwards by shear wall surface and the contact surface dabbing of concrete secondary beam, and
Contact surface after dabbing is cleared up.Colligation concrete time beam steel simultaneously sets up template, and last casting concrete secondary beam is simultaneously supported
Shield.
Shortcoming is stated in the presence of shear wall and the connecting node of the secondary beam of after-pouring：
1st, concrete secondary beam longitudinal reinforcement is that concrete shear is planted in the way of bar planting within the walls, is needed in coagulation during bar planting
Bar planting hole is opened up on native shear wall.Reinforcing bar in shear wall is easy to be destroyed when bar planting hole is opened up, especially the position of secondary beam
Put and be exactly in when on shear wall sleeper position, the missing of reinforcing bar will bring hidden danger to the security of structure in sleeper.
2nd, bar planting is a kind of technology being bonded in reinforcing bar by chemical constitution glue in bar planting hole, to the quality of structure glue with
And the operating technology requirement of operator is higher, the quality control at scene is more difficult.
3rd, the vertical force of concrete secondary beam is to bond to pass to shear wall by the contact surface of secondary beam and shear wall, although
Dabbing treatment has been carried out to contact surface, but the reliability of the cohesive force of the contact surface of new-old concrete is also to be studied, secondary beam
Root easily becomes the weak spot of structure, when especially the larger load of secondary beam span is heavier, the safety stock of this connecting node
It is not enough.
4th, this node easily produces crack in stress at the contact surface of concrete secondary beam and shear wall, and influence is outer
See effect.
The content of the invention
Present invention technical problem to be solved first is to provide the shearing that a kind of power transmission is direct, possess reliable stress performance
The attachment structure of wall and after-pouring concrete secondary beam.Therefore, the present invention uses following technical scheme：
The attachment structure connects and vertical reinforcement and horizontal steel is set in shear wall and after-pouring concrete secondary beam, the wall
Muscle, reserves pouring basin after secondary beam in the attachment structure, the shear wall is indulged in the concrete secondary beam of after-pouring concrete secondary beam
Connecting parts are set to reinforcing bar correspondence position, the collar extension of the connecting parts is exposed to shear wall body surface and is flushed with metope, wall
Internal horizontal reinforcement and vertical reinforcement exposes to pour in the rear and stays rooved face.
Further, the after-pouring concrete secondary beam is provided with concrete secondary beam longitudinal reinforcement, and the concrete secondary beam is indulged
Mechanically connected with the collar extension of the connecting parts to reinforcing bar, the after-pouring concrete secondary beam is provided with the vertical muscle of anchoring, the anchoring is indulged
Muscle is mechanically connected with the internal orifice of the connecting parts, and in shear wall inner bending anchoring.
Further, being poured after described stays the width of groove fewer 50-100 millimeters than the width of after-pouring concrete secondary beam, after pour
Stay the height of groove fewer 150-200 millimeters than after-pouring concrete time depth of beam, after pour that to stay the depth of groove be 30 millimeters.
, in colligation, concrete cover to reinforcement thickness takes 30 for the shear wall horizontal reinforcement and shear wall vertical reinforcement
Millimeter.
Poured after described and stay groove to be located at secondary beam installation node middle part.
The present invention also needs the technical problem for solving to be to provide a kind of above-mentioned shear wall with after-pouring concrete secondary beam
Casting method, the described method comprises the following steps：
S101 colligation shear force wall reinforcing steel bar structures, reserve in shear wall link position corresponding with concrete secondary beam longitudinal reinforcement and plug into
Part；
S102 sets up shear wall formwork, and template is correspondingly provided with the center that shear wall is connected with after-pouring concrete secondary beam
One hole, and the embedded plugging device in the hole, the plugging device are identical with dimension of opening, the plugging device appearance
Face is beyond template outer surface and template flush with outer surface；
S103 pours shear wall concrete, after shear wall concrete reaches preset strength, removes shear wall formwork and removes plate
Bar, taking-up plugging device, now connecting parts collar extension exposed to shear wall surface, after being formed pour and stay groove by plugging device position；By after
Pour and stay rooved face dabbing and clear up inner surface so that after pour outside the shear wall horizontal reinforcement and shear wall vertical reinforcement stayed in groove
Dew；
With the longitudinal reinforcement of concrete secondary beam be connected connecting parts collar extension by S104, and colligation secondary beam bar construction, erection time beam form
Plate, completes pouring for concrete secondary beam.
Further, in step S101, collar extension and the shear wall crust of the connecting parts are put down, and the internal orifice of the connecting parts connects
Connect the vertical muscle of an anchoring；The vertical muscle of anchoring is in bending anchoring within the walls.
Further, in step S102, the width at the hole is smaller than the width of concrete secondary beam 50-100 millimeters；It is described
The height at hole is smaller 150-200 millimeters than concrete time depth of beam.
Meanwhile, in step S102, the thickness of the plugging device is 30 millimeters more than template thickness.
Meanwhile, in step S102, the plate object that the plugging device is made for styrofoam, during closure, plugging device outside
Fixed with shear wall using lath and steel nail.
As a result of technical scheme, the present invention is plugged into using concrete secondary beam longitudinal reinforcement by pre-buried
Part is connected, and is anchored directly to concrete shear within the walls, will not the concrete shear force wall that pour completion be caused to damage.After pour
Stay shear wall horizontal reinforcement and shear wall vertical reinforcement in groove to expose, improve new-old concrete contact surface cohesive force can
By property, after pour stay groove presence make after pour secondary beam and be embedded into inside shear wall, it is ensured that between the root of secondary beam and shear wall
Globality, this node is especially suitable for being used in the connecting node of the heavier shear wall of the larger load of span and after-pouring secondary beam
In, the construction quality of node structure is easily controlled, and with comparatively ideal outward appearance.
Brief description of the drawings
Fig. 1 is the schematic diagram of shear wall of the present invention and after-pouring concrete secondary beam.
Fig. 2 is the schematic diagram of reinforcing bar and connecting parts in shear wall of the present invention.
Fig. 3 is the profile of shear wall closing template of the present invention and embedded plugging device.
Fig. 4 is the front view of shear wall closing template of the present invention and embedded plugging device.
Fig. 5 is that shear wall of the present invention completes concreting, the profile after form removal and plugging device.
Fig. 6 shear wall of the present invention completes the schematic diagram after secondary beam is poured.
In figure, 1：Shear wall, 2：After-pouring concrete secondary beam, 3：Shear wall vertical reinforcement, 4：Shear wall horizontal reinforcement, 5：
After pour and stay groove, 6：Secondary beam longitudinal reinforcement, 7：Connecting parts, 8：The vertical muscle of anchoring, 9：Shear wall formwork, 10：Plugging device, 11：Lath,
12：Steel nail, 21：Concrete time beam stirrup, 81：Bending part.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Embodiment one：
As shown in figure 1, the shear wall 1 that the present invention is provided, including shear wall horizontal reinforcement 4, shear wall vertical reinforcement 3, it is described to cut
Power wall 1 is connected with after-pouring concrete secondary beam 2 in the middle part of shear wall as depicted, and the tie point is the secondary beam that shear wall is reserved
2 pour node, and the secondary beam is poured for the later stage.Shear wall 1 is provided with connecting parts 7 in the link position of concrete secondary beam, described to connect
The correspondence position that part 7 is arranged on secondary beam longitudinal reinforcement 6 is refuted, collar extension is exposed to the exterior surface of wall of shear wall 1, the coagulation with after-pouring
The longitudinal reinforcement 6 of native secondary beam is connected, and internal orifice is connected with the vertical muscle 8 of anchoring, and the vertical muscle 8 of anchoring is in the inner bending anchor of the shear wall 1
Gu.Poured after reserved secondary beam in shear wall 1 and stay groove 5, the horizontal reinforcement 4 and vertical reinforcement 3 in wall to expose pour in the rear and stay groove 5
Surface.
The shear wall 1 sets connecting parts 7, and rear pouring concrete secondary beam longitudinal reinforcement 6 is connected by pre-buried connecting parts 7,
It is anchored directly to concrete shear within the walls, will not the concrete shear force wall that pour completion is caused to damage.As a kind of machine
Tool connected mode, the operating technology to operator is less demanding, and the quality at scene is easily ensured.
Poured after described and stay shear wall horizontal reinforcement 4 and shear wall vertical reinforcement 3 in groove 5 to expose, improve after-pouring and mix
The reliability of solidifying soil secondary beam and first casting concrete shear wall contact surface cohesive force.Pour afterwards and stay the presence of groove 5 to make after-pouring coagulation
Native secondary beam 2 is embedded into inside shear wall 1, it is ensured that the globality between the root of secondary beam and shear wall, due to new-old concrete
Contact surface cohesive force reliability and globality greatly enhance, this attachment structure is not easy in concrete secondary beam and shear wall
Contact surface produce crack, appearance is good.
Embodiment two：
As shown in Fig. 2-Fig. 6.
Shear wall of the present invention is comprised the following steps with the casting method of after-pouring concrete secondary beam：
1st, as shown in Fig. 2 colligation shear wall vertical reinforcement 3 and shear wall horizontal reinforcement 4, thickness of protection tier is according to 30 millimeters
Control, in the link position with concrete secondary beam, according to the position of secondary beam longitudinal reinforcement 6, reserves in shear wall 1 and plugs into 7, connects
Refute the colligation of part 7 to fix on nigh shear force wall reinforcing steel bar, the collar extension of connecting parts 7 is flushed with shearing metope；The internal orifice of connecting parts 7 and anchor
Admittedly vertical muscle 8 is connected, the vertical muscle 8 of anchoring is anchored in shear wall inner bending, and the bending part 81 is close to the wall-body energy saving of shear wall 1.
2nd, as shown in Figure 3 and Figure 4, shear wall formwork 9, the center being connected with concrete secondary beam 2, shear wall mould are set up
Plate 9 reserves hole, 50 ~ 100 millimeters fewer than the width of concrete secondary beam of the width at hole, and the height at hole is than concrete secondary beam
Highly lack 150 ~ 200 millimeters；Embedded plugging device 10, the size and dimension of opening of plugging device 10 in shear wall formwork hole
Identical, thickness is+30 millimeters of template thickness；Plugging device is made of styrofoam, and plugging device outside uses lath 11 and steel
Nail 12 is fixed with shear wall formwork 9.
3rd, as shown in figure 5, pouring the concrete of shear wall 1, after the concrete of shear wall 1 reaches preset strength, dismounting is cut
When power wall form 9, taking-up plugging device 10,7 mouthfuls of connecting parts are exposed to the outer surface of shear wall 1, are formed in the position of plugging device 10
Reserved groove, the reserved groove is poured after being and stays groove 5, reserves width 50 ~ 100 milli fewer than the width of concrete secondary beam of groove
Rice, reserves the height of groove than few 150 ~ 200 millimeters of depth of beam of concrete time, and the depth for reserving groove is 30 millimeters；Dabbing
And the inner surface for reserving groove is cleared up, the shear wall horizontal reinforcement 4 and shear wall vertical reinforcement 3 in reserved groove are exposed.
4th, as shown in fig. 6, concrete secondary beam longitudinal reinforcement 6 is connected with connecting parts 7, and colligation concrete time beam stirrup
21, time beam forms is set up, complete the concreting of secondary beam.
By casting method of the invention, the vertical force of concrete secondary beam stays groove 5 to transmit by pouring after in shear wall
To shear wall, shear wall, power transmission reliability are embedded in equivalent to secondary beam.Pour afterwards and stay shear wall horizontal reinforcement and shear wall in groove 5 to erect
To reinforcing steel bars exposed, improve the reliability of the contact surface cohesive force of new-old concrete, it is ensured that the root of secondary beam and shear wall it
Between globality, this attachment structure is especially suitable for being used in the heavier after-pouring concrete secondary beam of the larger load of span with shearing
In the connecting node of wall.
Claims (10)
1. the attachment structure of shear wall and after-pouring concrete secondary beam, the attachment structure connects shear wall（1）It is mixed with after-pouring
Solidifying soil secondary beam（2）, the shear wall（1）Vertical reinforcement is set in wall（3）And horizontal reinforcement（4）, it is characterised in that the company
Poured after reserved secondary beam in binding structure and stay groove（5）, the shear wall（1）In after-pouring concrete secondary beam（2）Concrete secondary beam indulge
To reinforcing bar（6）Correspondence position sets connecting parts（7）, the connecting parts（7）Collar extension be exposed to shear wall（1）Surface of wall and with
Metope is flushed, the horizontal reinforcement in wall（4）And vertical reinforcement（3）Expose to pour in the rear and stay groove（5）Surface.
2. the attachment structure of shear wall according to claim 1 and after-pouring concrete secondary beam, it is characterised in that after described
Casting concrete secondary beam（2）It is provided with concrete secondary beam longitudinal reinforcement（6）, the concrete secondary beam longitudinal reinforcement（6）Connect with described
Refute part（7）Collar extension mechanically connect, the after-pouring concrete secondary beam（2）It is provided with the vertical muscle of anchoring（8）, the vertical muscle of anchoring（8）
With the connecting parts（7）Internal orifice mechanically connect, and in the shear wall（1）Inner bending is anchored.
3. the attachment structure of shear wall according to claim 1 and after-pouring concrete secondary beam, it is characterised in that after described
Pour and stay groove（5）Width than after-pouring concrete secondary beam（2）Few 50-100 millimeters of width, after pour and stay groove（5）Height ratio after
Casting concrete secondary beam（2）Few 150-200 millimeters of height, after pour and stay groove（5）Depth be 30 millimeters.
4. the attachment structure of shear wall according to claim 1 and after-pouring concrete secondary beam, it is characterised in that described to cut
Power wall horizontal reinforcement（4）With shear wall vertical reinforcement（3）In colligation, concrete cover to reinforcement thickness takes 30 millimeters.
5. the attachment structure of shear wall according to claim 1 and after-pouring concrete secondary beam, it is characterised in that after described
Pour and stay groove（5）Node middle part is installed positioned at secondary beam.
6. the casting method of the attachment structure of the shear wall as described in claim 1-5 is any and after-pouring concrete secondary beam, its
It is characterised by the described method comprises the following steps：
S101 colligation shear force wall reinforcing steel bar structures, in shear wall（1）With concrete secondary beam longitudinal reinforcement（6）Corresponding link position is pre-
Stay connecting parts（7）；
S102 sets up shear wall formwork（9）, template is in shear wall（1）With after-pouring concrete secondary beam（2）The center of connection
It is correspondingly provided with a hole, and the embedded plugging device in the hole（10）, the plugging device（10）It is identical with dimension of opening,
The plugging device（10）Outer surface and template flush with outer surface；
S103 pours shear wall concrete, after shear wall concrete reaches preset strength, removes shear wall formwork（9）And remove
Lath, taking-up plugging device（10）, now connecting parts（7）Collar extension is exposed to shear wall（1）Surface, plugging device（10）Position shape
Poured after and stay groove（5）；Poured by after and stay groove（5）Surface dabbing simultaneously clears up inner surface so that after pour and stay groove（5）Interior shear wall level
Reinforcing bar（4）And shear wall vertical reinforcement（3）Expose；
S104 is by connecting parts（7）Collar extension and concrete secondary beam longitudinal reinforcement（6）Connection, and colligation concrete time beam stirrup（21）And
Other secondary beam bar constructions, erection time beam forms, complete pouring for concrete secondary beam.
7. casting method according to claim 6, it is characterised in that in step S101, the connecting parts（7）Collar extension with
Shear wall (1) crust is put down, the vertical muscle (8) of anchoring of internal orifice connection one of the connecting parts (7)；The vertical muscle (8) of anchoring is curved within the walls
Folding anchoring.
8. casting method according to claim 6, it is characterised in that in step S102, the width at the hole compares concrete
The width of secondary beam is small 50-100 millimeters；The height at the hole is smaller 150-200 millimeters than concrete time depth of beam.
9. casting method according to claim 6, it is characterised in that in step S102, the plugging device（10）Thickness
Compare shear wall formwork（9）Thickness is more 30 millimeters.
10. casting method according to claim 6, it is characterised in that in step S102, the plugging device（10）It is poly-
The plate object that benzene plate is made, during closure, plugging device outside utilizes lath and steel nail and shear wall（1）It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052119.9A CN106760049A (en) | 2016-11-24 | 2016-11-24 | The attachment structure and its casting method of shear wall and after-pouring concrete secondary beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052119.9A CN106760049A (en) | 2016-11-24 | 2016-11-24 | The attachment structure and its casting method of shear wall and after-pouring concrete secondary beam |
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| CN201611052119.9A Pending CN106760049A (en) | 2016-11-24 | 2016-11-24 | The attachment structure and its casting method of shear wall and after-pouring concrete secondary beam |
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| CN108518084A (en) * | 2018-04-28 | 2018-09-11 | 上海建工二建集团有限公司 | The additional structure and method that shear wall is removed in frame-shear-wall structure |
| CN109653443A (en) * | 2019-01-30 | 2019-04-19 | 山西三建集团有限公司 | Concrete structure stage construction is reserved to connect batch steel bar connecting machine structure and a connection method |
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Application publication date: 20170531 |
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