CN104831814A - Shear key of outer hanging wall plate - Google Patents
Shear key of outer hanging wall plate Download PDFInfo
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- CN104831814A CN104831814A CN201510240106.3A CN201510240106A CN104831814A CN 104831814 A CN104831814 A CN 104831814A CN 201510240106 A CN201510240106 A CN 201510240106A CN 104831814 A CN104831814 A CN 104831814A
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- shear connector
- shear key
- steel bar
- steel strip
- fibre
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Abstract
The invention discloses a shear key of an outer hanging wall plate. The shear key comprises a steel strip, a fiber wire and a plastic sleeve ring. To prevent the sliding of the shear key in concrete, the steel strip is rolled and pressed, the two ends of the steel strip are wide, and the middle part of the steel strip is narrow; the fiber wire is wound at the surface of the steel strip, so the heat insulation function is realized, and the heat bridge of the shear key is effectively blocked in the outer wall of the building; the steel strip wound with the fiber wire is immersed into resin; the plastic sleeve ring is additionally arranged in the middle part of the shear key, so as to guarantee that the width of the plastic sleeve ring is greater than or equal to the width of the end part of the shear key, and realize the positioning function in the construction process; the source of the materials is wide, the processing and manufacturing are simple, the property is reliable, the defects of poorer alkaline corrosion-resistant property, poorer shearing-resistant property, higher cost and the like in the existing glass fiber shear key are greatly improved, the shear key is applied to the prefabricated sandwich type outer hanging wall plate, and the application prospect is broad.
Description
Technical field
The present invention relates to and a kind ofly belong to construction engineering technical field for the shear connector in prefabricated sandwich style out-hung panel, be specially a kind of out-hung panel shear connector.
Background technology
Along with the iterative method of building a well-off society in an all-round way, house architectural area increases year by year, and building energy consumption accounts for more than 33% of national total energy consumption, in country and local " 12 " construction plan using building energy conservation as one of main energy-conservation construction object.Prefabricated assembled concrete structure, as a kind of form of structure meeting industrialized production, has that speed of application is fast, labour intensity is low, noise pollution and an advantage such as wet trade is few and product quality is easy to control, is widely applied in developed country.The construction techniques of prefabrication and assembly construction is adopted effectively to economize on resources and the energy, improve material and realize the utilization rate in building energy conservation and structural performance, overcome construction plant and ambient conditions to the restriction of site operation, reduce the site operation quantity of labour force, reduce the harmful effect of building waste and Construction on Environment, improve building function and structural performance.The popularization of prefabricated dwelling house will reduce the energy consumption of architectural process generation largely, and the thermal insulation process of space enclosing structure has great meaning to the reduction of constructing operation energy consumption.
The retaining design of assembled architecture generally adopts external hanging type system, and prefabricated out-hung panel combines with frame construction, just defines prefabricated out-hung panel frame construction.Current prefabricated out-hung panel many employings sandwich style heat-insulation system, out-hung panel is followed successively by decorative layer, insulation layer, deck from outside to inside, and three layers are coupled together by shear connector.Because concrete has thermal inertia, interior layer concrete becomes the heat storage of a constant temperature, and middle warming plate becomes a heat insulation layer, thus can delay heat and passed the transmission of building wall board between ectonexine.The layout of shear connector in prefabricated out-hung panel is shown in Fig. 2.The difficult point of prefabricated out-hung panel research comprises the design of shear connector, the design of built-in connection and improves the heat-insulating property of wallboard.The present invention is devoted to the design of shear connector, shear connector many employings glass fiber shear connector in the market, and this shear connector exists that alkali corrosion resistance poor performance, shear resistance are poor, the more high drawback of cost.
To sum up, study that a kind of shear resistance is strong, cost is low, be the content that those skilled in the art study with Bond Performance Between Concrete shear connector that is good, good endurance.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes that a kind of shear resistance is strong, cost is low, the Novel external wallboard shear connector of, good endurance good with Bond Performance Between Concrete and its preparation method.
For solving the problems of the technologies described above, the present invention proposes a kind of Novel external wallboard shear connector, it is characterized in that this shear connector comprises steel bar, fibre, Plastibell; In order to prevent shear connector from sliding from concrete, roll extrusion process being carried out to steel bar, making steel bar two ends wide, middle narrow; Fibre is wrapped in steel bar surface, and is dipped in resin; Add Plastibell at the middle part of shear connector, ensure that the width of Plastibell is more than or equal to the width of shear connector end.
The present invention is at the surface wrap fibre of steel bar, because fibre plays the effect of thermal insulation to steel bar, efficiently avoid " heat bridge " effect in external wall.
The present invention will be wrapped with filametntary steel bar and be dipped in resin, fibre can be connected together effectively with steel bar, play jointly stressed effect.
The present invention adds Plastibell at the middle part of shear connector, plays the effect of location in work progress.
The cross-sectional sizes of steel bar 1 requires to design according to the shearing resistance of shear connector, and the anchorage length being embedded in the shear connector 7 in concrete is determined according to pull-out test.
Steel bar should select Q235 steel.
Fibre should select basalt fibre, aramid fiber or carbon fiber.
Technical scheme of the present invention has following beneficial effect:
A kind of Novel external wallboard shear connector of the present invention, utilizes steel bar as shear connector material.Material source is extensive on the one hand, and on the other hand compared with glass fiber shear connector, its shear strength improves greatly.Roll extrusion process is carried out to steel bar, makes steel bar two ends wide, middle narrow, greatly strengthen shear connector and concrete cementation.
By at steel bar surface wrap fibre, reinforcing bar is played to the effect of thermal insulation, efficiently avoid " heat bridge " effect in external wall.
To be wrapped with filametntary steel bar is dipped in resin, on the one hand fibre and steel bar can be connected into an entirety, makes fibre and steel bar can be jointly stressed; Fibre is wrapped in reinforcing bar by resin densely on the other hand, and effectively can prevent corrosion of steel bar, compared with glass fiber shear connector, its durability improves greatly.Because concrete is in alkalescence, the basalt fibre silk selecting alkaline resistance properties good can improve the durability of shear connector.
Add Plastibell by the middle part at shear connector, the width of Plastibell is more than or equal to the width of shear connector end, ensures that shearing bond energy inserts the warming plate of boxing out in advance, plays the effect of location in work progress.
Therefore the advantages such as the present invention has that shear resistance is strong, cost is low, good endurance good with Bond Performance Between Concrete, be applicable in prefabricated sandwich style out-hung panel, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is prefabricated sandwich style out-hung panel structural representation;
In figure: steel bar 1; Fibre 2; Plastibell 3; Decorative layer 4; Warming plate 5; Deck 6; Shear connector 7; Out-hung panel 8.
Detailed description of the invention
As shown in Figure 1, described a kind of out-hung panel shear connector 7 comprises steel bar 1, fibre 2, Plastibell 3; In order to prevent shear connector 7 from sliding from concrete, roll extrusion process being carried out to steel bar 1, making steel bar 1 two ends wide, middle narrow; At the surface wrap fibre 2 of steel bar 1, and immersed in resin; Plastibell 3 is added at the middle part of shear connector 7.
Roll extrusion process is carried out to steel bar 1, makes steel bar 1 two ends wide, middle narrow.When shear connector 7 under a stretching force, narrow, that end is wide shape makes concrete be in the state of three received strength in the middle of shear connector 7, greatly strengthen shear connector 7 and concrete cementation, thus ensures that shear connector 7 bond-slip does not occur and destroys.
By at steel bar 1 surface wrap fibre 2, steel bar 1 is played to the effect of thermal insulation, efficiently avoid " heat bridge " effect in external wall.
The steel bar 1 being wrapped with fibre 2 is dipped in resin, on the one hand fibre 2 and steel bar 1 can be connected into an entirety, make fibre 2 and steel bar 1 can be jointly stressed; Fibre 2 is wrapped in steel bar 1 by resin densely on the other hand, and effectively can prevent steel bar 1 corrosion, compared with glass fiber shear connector, its durability improves greatly.Because concrete is in alkalescence, the basalt fibre silk selecting alkaline resistance properties good can improve the durability of shear connector 7.
By adding Plastibell 3 at the middle part of shear connector 7, ensureing that the width of Plastibell 3 is more than or equal to the width of shear connector 7 end, in work progress, playing the effect of location.
The cross-sectional sizes of steel bar 1 requires to design according to the shearing resistance of shear connector, and the anchorage length being embedded in the shear connector 7 in concrete is determined according to pull-out test.
Described a kind of out-hung panel shear connector 7, it is characterized in that, steel bar 1 should select Q235 steel.
Described a kind of out-hung panel shear connector 7, it is characterized in that, fibre 2 should select basalt fibre, aramid fiber or carbon fiber.
Casting process below in conjunction with prefabricated sandwich style out-hung panel 8 is described further installation of the present invention.
As shown in Figure 2, prefabricated sandwich style out-hung panel is formed primarily of decorative layer 4, warming plate 5, deck 6 and shear connector 7.First build template, clean surface, decorative layer 4 concreting also, after placing steel mesh reinforcement, is entered template by smearing release agent; After bottom concrete vibrations evenly, should prevent the warming plate 5 in pre-drilled hole immediately on concrete, This move should complete in 15 to 20 minutes after the vibrations evenly of decorative layer 4 concrete, thus ensures that concrete is still gluey; After warming plate 5 is placed, shear connector 7 should insert pre-drilled hole immediately, and the surrounding area that shear connector 7 inserts should be compacted; The concrete steel mesh reinforcement of displacement structure layer 6 and other built-in connections; Last pouring structure layer 6 concrete.
Claims (4)
1. an out-hung panel shear connector, is characterized in that, this shear connector comprises steel bar (1), fibre (2), Plastibell (3); In order to prevent shear connector from sliding from concrete, roll extrusion process being carried out to described steel bar (1), making described steel bar (1) two ends wide, middle narrow; Fibre (2) described in surface wrap in described steel bar (1), and be immersed in resin.
2. a kind of out-hung panel shear connector according to claim 1, is characterized in that, Q235 steel selected by described steel bar (1).
3. a kind of out-hung panel shear connector according to claim 1, is characterized in that, described fibre (2) selects basalt fibre, aramid fiber or carbon fiber.
4. a kind of out-hung panel shear connector according to claim 1, it is characterized in that, add described Plastibell (3) at the middle part of described shear connector, ensure that the width of described Plastibell (3) is more than or equal to the width of described shear connector end, in construction, play the effect of location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240106.3A CN104831814A (en) | 2015-05-12 | 2015-05-12 | Shear key of outer hanging wall plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240106.3A CN104831814A (en) | 2015-05-12 | 2015-05-12 | Shear key of outer hanging wall plate |
Publications (1)
| Publication Number | Publication Date |
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| CN104831814A true CN104831814A (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510240106.3A Pending CN104831814A (en) | 2015-05-12 | 2015-05-12 | Shear key of outer hanging wall plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN104831814A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193375A (en) * | 2016-08-01 | 2016-12-07 | 中国十七冶集团有限公司 | The out-hung panel shear connector at winged angle |
| CN110239157A (en) * | 2019-07-12 | 2019-09-17 | 南京彼卡斯建筑科技有限公司 | A kind of high-performance assembled combination out-hung panel |
| CN110886399A (en) * | 2019-11-13 | 2020-03-17 | 河南五方合创建筑设计有限公司 | Basalt fiber composite stainless steel drawknot part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535049U (en) * | 2009-09-02 | 2010-07-28 | 门连伟 | Novel permanent floor |
| KR20110048328A (en) * | 2009-11-02 | 2011-05-11 | 중앙대학교 산학협력단 | Protection panel and protection system using the same |
| CN202248270U (en) * | 2011-10-13 | 2012-05-30 | 南京林业大学 | Bamboo-reinforced concrete composite structure |
| CN103015703A (en) * | 2012-12-24 | 2013-04-03 | 山东汇星科技开发有限公司 | Reinforced composite thermal insulation template |
| CN103924674A (en) * | 2014-04-29 | 2014-07-16 | 东南大学 | High-strength bolt shear key structure and constructing method thereof |
| CN204152000U (en) * | 2014-10-14 | 2015-02-11 | 曹建明 | A kind of inorganic compounding insulation construction for in-situ concrete wall |
-
2015
- 2015-05-12 CN CN201510240106.3A patent/CN104831814A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535049U (en) * | 2009-09-02 | 2010-07-28 | 门连伟 | Novel permanent floor |
| KR20110048328A (en) * | 2009-11-02 | 2011-05-11 | 중앙대학교 산학협력단 | Protection panel and protection system using the same |
| CN202248270U (en) * | 2011-10-13 | 2012-05-30 | 南京林业大学 | Bamboo-reinforced concrete composite structure |
| CN103015703A (en) * | 2012-12-24 | 2013-04-03 | 山东汇星科技开发有限公司 | Reinforced composite thermal insulation template |
| CN103924674A (en) * | 2014-04-29 | 2014-07-16 | 东南大学 | High-strength bolt shear key structure and constructing method thereof |
| CN204152000U (en) * | 2014-10-14 | 2015-02-11 | 曹建明 | A kind of inorganic compounding insulation construction for in-situ concrete wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193375A (en) * | 2016-08-01 | 2016-12-07 | 中国十七冶集团有限公司 | The out-hung panel shear connector at winged angle |
| CN110239157A (en) * | 2019-07-12 | 2019-09-17 | 南京彼卡斯建筑科技有限公司 | A kind of high-performance assembled combination out-hung panel |
| CN110886399A (en) * | 2019-11-13 | 2020-03-17 | 河南五方合创建筑设计有限公司 | Basalt fiber composite stainless steel drawknot part |
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Application publication date: 20150812 |