CN104763082B - Upper and lower connecting structure of assembled shearing force wall - Google Patents
Upper and lower connecting structure of assembled shearing force wall Download PDFInfo
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- CN104763082B CN104763082B CN201510137917.0A CN201510137917A CN104763082B CN 104763082 B CN104763082 B CN 104763082B CN 201510137917 A CN201510137917 A CN 201510137917A CN 104763082 B CN104763082 B CN 104763082B
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Abstract
The invention discloses an upper and lower connecting structure of an assembled shearing force wall. The middle part of the bottom face of the upper wall is provided with a downward convex platform; the bottom face of the downward convex platform is provided with an anti-shearing groove; the middle part of the top face of the lower wall is pre-embedded with channel steel or I-steel; the downward convex platform is located on the top face of the lower wall; the channel steel or I-steel is inserted in the anti-shearing groove; the channel steel or I-steel is fixed in the anti-shearing groove by the concrete structure post-casting in the anti-shearing groove, forming a positioning and anti-shearing structure. The positioning and anti-shearing structure, adjusting and supporting structure and post-casting wedge-shaped concrete structure are used, so that the upper and lower connecting construction of the wall is simpler, the positioning is more accurate, the structure is more reliable, and the performance is optimal. The material performance is adequately used, and the problems that the site construction of the current connection mode is difficult and the cost is expensive are effectively solved.
Description
Technical field
The present invention relates to building structure field, particularly a kind of fabricated shear wall levels attachment structure.
Background technology
At present, the shear wall structure of traditional cast-in-place form exist that work on the spot amount is big, construction material waste many, for building
The problems such as water waste, environmental pollution are serious.Adopting sleeve to fill built fabricated shear wall structure wall vertical connection structure more
Slurry connects, reinforcement welding connects and indirectly overlaps slurry anchor connection.Sleeve grouting connection has sleeve high cost, construction precision
The problems such as have high demands, be not suitable for the thinner reinforcing bar in section and adopt；Reinforcement welding connects and exists that Site Welding workload is big, welding
The problems such as difficult quality guarantee；Indirectly overlap joint slurry anchor connection has that site operation difficulty is big, preformed hole forming quality is difficult to protect
The problems such as card, and sleeve grouting connects and indirect overlap joint slurry anchor connection belongs to dry connection, if dealt with improperly, in horizontal joint
Easily stress concentration phenomenon in place, forms plane of weakness, the overall performance of impact structure.
Content of the invention
The present invention provides a kind of fabricated shear wall levels to connect for solving technical problem present in known technology
Structure, this structure positioning accurately, easy construction, shear resistance strong.
The present invention is adopted the technical scheme that by solving technical problem present in known technology: a kind of assembled shearing
Wall levels attachment structure, is provided with downwardly projecting platform in the middle part of the bottom surface of upper walls, on the bottom surface of described downwardly projecting platform
It is provided with shearing resistance groove；It is embedded with channel-section steel or I-steel in the middle part of the top surface of lower floor's wall；Described downwardly projecting platform is seated in described lower floor
On the top surface of wall, described channel-section steel or I-steel are inserted in described shearing resistance groove, described channel-section steel or I-steel by after pour described anti-
Cut the xoncrete structure in groove to be fixed in described shearing resistance groove, form positioning-shear structure.
The bottom surface positioned at described downwardly projecting platform both sides of described upper walls is the inclined-plane gradually rising from inside to outside,
The lower section on described inclined-plane, the vertical distribution bar of described upper walls overlap joint corresponding with the vertical distribution bar of described lower floor wall, institute
State inclined-plane and form wedge structure with the top surface of described lower floor wall and the side of described downwardly projecting platform, in described wedge structure
Wedge shape xoncrete structure is poured after being inside formed with.
The vertical distribution bar of two outermost of described upper walls is all being connected with the spacer bar thicker than them within the walls, institute
State spacer bar to extend to accordingly below described inclined-plane, the lower end of described spacer bar is connected with nut by screw thread, described
Nut support, on the top surface of described lower floor wall, forms regulation-supporting construction.
The absolute altitude of the vertical distribution bar in described wedge structure of described lower floor wall is gradually lowered from the outside to the core.
In the vertical distribution bar of described fabricated shear wall, positioned at vertical point of described positioning-shear structure both sides
Cloth reinforcing bar is the reinforcing bar of overstriking.
The present invention has the advantages and positive effects that:
One) positioning-shear structure in attachment structure, makes positioning more precisely and simple；Meet middle part shearing resistance requirement；
The attachment structure traditional with respect to sleeve connection etc., reduces difficulty in assembling process for the precast wall body, makes construction more just
Prompt.
Two) regulation-supporting construction in attachment structure, jointly serves good in construction with positioning-shear structure
Supporting role；Pass through screw on nut simultaneously, levelness and the perpendicularity of upper walls can be adjusted exactly, improve construction accurately
Degree.
Three) pour wedge shape xoncrete structure after in attachment structure, make the vertical distribution bar of body of wall only need to be overlapped
Connection can meet requirement, with sleeve connection, be welded to connect and indirect slurry anchor connection compared with construction get up more simple and easy to do；?
Changed to middle stress by two ends according to shear wall in wedge structure, be gradually reduced lapped length of steel bar, so that material is filled
Divide and utilize, saved construction cost.
In sum, the present invention pass through using positioning-shear structure, regulation-supporting construction and after pour wedge shape concrete tie
Structure, makes body of wall levels connection construction simpler, and positioning is more accurate, and structure is more reliable, and performance more optimizes, and takes full advantage of material
Performance, efficiently solves the problems such as existing connected mode site operation is difficult, cost is high.The sleeve of relatively current employing fills
The connected modes such as slurry, improve construction precision, simplify construction procedure, and greatly reduce the cost of product and work progress,
There is good development prospect.
Brief description
Fig. 1 is the schematic diagram before upper walls of the present invention are connected with lower floor wall；
Fig. 2 is the schematic diagram after upper walls of the present invention are connected with lower floor wall；
Fig. 3 is the schematic diagram of present invention regulation-supporting construction；
Fig. 4 is present invention positioning-shear structure generalized section；
Fig. 5 be the present invention after pour wedge shape xoncrete structure with after pour sleeper schematic diagram；
Fig. 6 is the schematic three dimensional views before upper walls of the present invention are connected with lower floor wall.
In figure: 1, upper walls；2nd, lower floor's wall；3rd, vertical distribution bar；4th, horizontal distribution reinforcing bar；5th, reinforcing bar；6th, prop up
Support reinforcing bar；7th, nut；8th, I-steel；9th, downwardly projecting platform；10th, shearing resistance groove；11st, grout hole；12nd, slurry outlet；13rd, pour wedge after
Shape xoncrete structure；14th, pour sleeper after.
Specific embodiment
For content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples, and coordinate attached
Figure describes in detail as follows:
Refer to Fig. 1～Fig. 6, a kind of fabricated shear wall levels attachment structure, be provided with the middle part of the bottom surface of upper walls to
Lower protrusion platform 9, is provided with shearing resistance groove 10 on the bottom surface of described downwardly projecting platform 9；Pre-buried in the middle part of the top surface of described lower floor wall 2
There is I-steel 8；Described downwardly projecting platform 9 is seated on the top surface of described lower floor wall 2, and described I-steel 8 is inserted into described anti-
Cut in groove 10, described I-steel 8 by after pour and be fixed in described shearing resistance groove 10 in the xoncrete structure in described shearing resistance groove 10, shape
Become positioning-shear structure.
In the present embodiment, the bottom surface positioned at described downwardly projecting platform 9 both sides of described upper walls 1 be from inside to outside by
Edge up high inclined-plane, and in the lower section on described inclined-plane, the vertical distribution bar 3 of described upper walls 1 is divided with the vertical of described lower floor wall 2
The corresponding overlap joint of cloth reinforcing bar 3, described inclined-plane surrounds wedge with the top surface of described lower floor wall 2 and the side of described downwardly projecting platform 9
Shape structure, pours wedge shape xoncrete structure 13 after being formed with described wedge structure.Two outermost of described upper walls 1 are vertical
All being connected with the spacer bar 6 thicker than them within the walls, described spacer bar 6 extends to accordingly under described inclined-plane distribution bar
Side, the lower end of described spacer bar 6 is connected with nut 7 by screw thread, and described nut 7 is supported on the top surface of described lower floor wall 2,
Described spacer bar 6 and described nut 7 form regulation-supporting construction.The erecting in described wedge structure of described lower floor wall 2
Absolute altitude to distribution bar 3 is gradually lowered from the outside to the core.In the vertical distribution bar of described fabricated shear wall, positioned at described
The vertical distribution bar of positioning-shear structure both sides is the reinforcing bar 5 of overstriking.
Upper walls 1 and lower floor's wall 2 are prefabricated components.It is provided with vertical distribution bar inside when described upper walls 1 are prefabricated
3rd, horizontal distribution reinforcing bar 4 and reinforcing bar 5.It is downwardly projecting platform 9 in the middle part of bottom surface when described upper walls 1 are prefabricated, mesa base
Fluted, form shearing resistance groove 10, grout hole 11 and slurry outlet 12 are reserved in groove position, do not expose in described shearing resistance groove 10 is perpendicular
To distribution bar 3；Bottom surface two ends are made as inclined-plane in advance, and vertical distribution bar 3 stretches out under inclined-plane；Close on described downwardly projecting flat
The vertical distribution bar of platform 9 is set to described reinforcing bar 5；In portion within the walls and band when the vertical distribution bar 3 of inclined-plane outer end is prefabricated
Threaded support reinforcing bar 6 is welded to connect, and described spacer bar 6 stretches out inclined-plane, and free end is screwed with nut 7.
It is provided with vertical distribution bar 3, horizontal distribution reinforcing bar 4 inside when described lower floor wall 2 is prefabricated；Described lower floor wall 2 is prefabricated
When top surface in the middle part of pre-buried I-steel 8, and stretch out certain length；Described lower floor wall 2 top surface is plane, except middle part and described upper walls
Outside the corresponding position of downwardly projecting platform 9 described in 1, at remaining, described vertical distribution bar 3 all stretches out different length.
During installation, described upper walls 1 are directly seated on described lower floor wall 2, make described I-steel 8 insert described shearing resistance groove
In 10, by described grout hole 11 to casting concrete in shearing resistance groove, till flowing out from described slurry outlet 12, use concrete
Described I-steel 8 is fixed in described shearing resistance groove 10 structure, forms shear key；The downwardly projecting platform in described upper walls bottom surface
Directly stand on the top surface of lower floor's wall 2, form location structure；Described shear key and described location structure form described positioning-anti-
Shear structure.Described nut 7 is directly contacted with described lower floor wall 2 top surface, plays a supporting role, simultaneously by screwing described nut 7
Play the effect adjusting upper walls levelness and perpendicularity, form described regulation-supporting construction；The bottom inclined-plane of described upper walls 1
With the top planar shaped wedgewise of described lower floor wall 2, the described vertical distribution bar 3 wherein stretching out and described reinforcing bar 5 are freely
Overlap joint, formed after cast-in-place concrete described after pour wedge shape xoncrete structure 13 with after pour sleeper 14.
Above-mentioned I-steel 8 can be replaced by channel-section steel.
Although being described to the preferred embodiments of the present invention above in conjunction with accompanying drawing, the invention is not limited in
The specific embodiment stated, above-mentioned specific embodiment is only schematically, is not restricted, this area common
Technical staff, under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also may be used
To make a lot of forms, these belong within protection scope of the present invention.
Claims (5)
1. a kind of fabricated shear wall levels attachment structure it is characterised in that: be provided with downwardly projecting in the middle part of the bottom surface of upper walls
Platform, is provided with shearing resistance groove on the bottom surface of described downwardly projecting platform；
It is embedded with channel-section steel or I-steel in the middle part of the top surface of lower floor's wall；
Described downwardly projecting platform is seated on the top surface of described lower floor wall, and described channel-section steel or I-steel are inserted into described shearing resistance groove
Interior, described channel-section steel or I-steel by after pour and be fixed in described shearing resistance groove in the xoncrete structure in described shearing resistance groove, it is fixed to be formed
Position-shear structure.
2. fabricated shear wall levels attachment structure according to claim 1 it is characterised in that: the position of described upper walls
The inclined-plane gradually rising from inside to outside in the bottom surface of described downwardly projecting platform both sides, in the lower section on described inclined-plane, described on
The vertical distribution bar of layer wall is corresponding with the vertical distribution bar of described lower floor wall to be overlapped, the top of described inclined-plane and described lower floor wall
The side of face and described downwardly projecting platform forms wedge structure, pours wedge shape concrete after being formed with described wedge structure
Structure.
3. fabricated shear wall levels attachment structure according to claim 2 it is characterised in that: the two of described upper walls
The vertical distribution bar of root outermost is all being connected with the spacer bar thicker than them within the walls, and described spacer bar extends to accordingly
Below described inclined-plane, the lower end of described spacer bar is connected with nut by screw thread, and described nut support is in described lower floor wall
On top surface, form regulation-supporting construction.
4. fabricated shear wall levels attachment structure according to claim 2 it is characterised in that: the position of described lower floor wall
The absolute altitude of the vertical distribution bar in described wedge structure is gradually lowered from the outside to the core.
5. fabricated shear wall levels attachment structure according to claim 2 it is characterised in that: cut in described assembled
In the vertical distribution bar of power wall, the vertical distribution bar positioned at described positioning-shear structure both sides is the reinforcing bar of overstriking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510137917.0A CN104763082B (en) | 2015-03-26 | 2015-03-26 | Upper and lower connecting structure of assembled shearing force wall |
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| CN201510137917.0A CN104763082B (en) | 2015-03-26 | 2015-03-26 | Upper and lower connecting structure of assembled shearing force wall |
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| CN104763082B true CN104763082B (en) | 2017-01-25 |
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| CN107795038B (en) * | 2017-05-05 | 2020-05-08 | 中国水利水电第八工程局有限公司 | Prefabricated part, connecting structure and mounting method |
| CN108265856B (en) * | 2018-01-19 | 2024-05-24 | 天津大学 | Steel plate embedded type PC shear wall splicing node structure |
| CN108343174B (en) * | 2018-02-08 | 2019-08-16 | 天津大学建筑设计研究院 | Fabricated shear wall dry and wet mixed connection method |
| CN108360712A (en) * | 2018-03-29 | 2018-08-03 | 浙江大学建筑设计研究院有限公司 | A kind of assembled steel reinforced concrete shear force wall and its construction 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 |
| CN110469047B (en) * | 2019-07-03 | 2021-06-15 | 西安理工大学 | Function-restorable assembled bidirectional self-locking shear wall and prefabricated wallboard thereof |
| CN110541500B (en) * | 2019-09-30 | 2024-03-15 | 陕西省建筑科学研究院有限公司 | Assembled shear wall structure and construction method |
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| US7716887B2 (en) * | 2004-12-30 | 2010-05-18 | Weyerhaeuser Nr Company | Shear wall attachment assembly and method of use |
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Address after: 300072 Tianda architectural creative building (Science and Technology Park), No.192, Anshan West Road, Nankai District, Tianjin Patentee after: Tianjin University architectural design and Planning Research Institute Co.,Ltd. Patentee after: Zhang Xizhi Address before: No.192 Anshan West Road, Nankai District, Tianjin 300073 Patentee before: TIANJIN University RESEARCH INSTITUTE OF ARCHITECTRUAL DESIGN & URBAN PLANNING Patentee before: Zhang Xizhi |