CN107366390A - A kind of conversion connection method of reinforcing bar - Google Patents
A kind of conversion connection method of reinforcing bar Download PDFInfo
- Publication number
- CN107366390A CN107366390A CN201710559635.9A CN201710559635A CN107366390A CN 107366390 A CN107366390 A CN 107366390A CN 201710559635 A CN201710559635 A CN 201710559635A CN 107366390 A CN107366390 A CN 107366390A
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- CN
- China
- Prior art keywords
- converter
- steel bar
- bolt
- anchoring
- bar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
A kind of conversion connection method of reinforcing bar, comprises the following steps：1) determines the stress steel plate thickness of steel bar anchoring converter according to the diameter d of reinforcing bar, makes steel bar anchoring converter；In steel bar anchoring converter, power transmission side plate is symmetricly set on the both sides of the bottom plate, bottom plate one end sets closing side plate, the bottom plate other end is opening, the upper end of power transmission side plate at the top of steel bar anchoring converter with connecting, the top of steel bar anchoring converter is provided with the bar connecting hole being connected with reinforcing bar one end, and bottom plate is provided with bolt connecting hole；2) by bar connecting in the bar connecting hole of steel bar anchoring boxcar；3) presses Design Orientation reinforcing bar and steel bar anchoring boxcar, and casting concrete forms prefabricated components；4) selects the connecting bolt between steel bar anchoring boxcar；5) connects the bottom plate of two steel bar anchoring boxcars, bolt connecting hole is connected with connecting bolt by the pretightning force requirement of bolt.Present invention process is simplified, connection reliability is good.
Description
Technical field
The present invention relates to connecting method for reinforcing bars, the conversion connection method of especially a kind of reinforcing bar.
Background technology
Existing assembled integral concrete frame structure system is mainly prefabricated in the factory the structural elements such as beam, plate, post,
Scene again connects each component of structure, forms overall concrete structure, effective connection of reinforcing bar in the connection of component
It is the important step for ensureing concrete structure globality.Therefore, a variety of connecting method for reinforcing bars are createed in practice, it is currently used
Have a sleeve slurry anchor connection method, sleeve overlap joint connection method etc., the common feature of this this connection method be required to using grouting process come
Ensure the reliability of connection, but by complex process, quality is difficult to detect, and connect reinforcing bar both ends position and deviate, power transmission effect
Reduce.
The content of the invention
It is difficult to detect to solve the complex process of bar connecting mode, quality in current prefabricated concrete structure, connects
The problem of reliability connect can not determine, the conversion that the present invention provides the reinforcing bar that a kind of technique is simplified, connection reliability is good connect
Method is connect, is connected using dry type, the connection of reinforcing bar is completed in two steps, it is respectively in the prefabrication process of prefabricated components and live
Assembling stage is completed, and connection is become simple, reliable.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of conversion connection method of reinforcing bar, comprises the following steps：
1) determines the stress steel plate thickness of steel bar anchoring converter according to the diameter d of reinforcing bar, makes steel bar anchoring conversion
Device；
The steel bar anchoring converter includes bottom plate, power transmission side plate and closing side plate, the power transmission side plate and is symmetricly set on
The both sides of the bottom plate, described bottom plate one end set the closing side plate, and the bottom plate other end is opening, the power transmission side plate
Upper end with connecting at the top of the steel bar anchoring converter, the top of the steel bar anchoring converter is provided with and reinforcing bar one end connects
The bar connecting hole connect, the bottom plate are provided with bolt connecting hole；
2) by bar connecting in the bar connecting hole of steel bar anchoring converter；
3) presses Design Orientation reinforcing bar and steel bar anchoring converter, and casting concrete forms prefabricated components；
4) selects the connecting bolt between steel bar anchoring converter；
5) connects the bottom plate of two steel bar anchoring converters, bolt connecting hole connects by the pretightning force requirement of bolt
Bolt is connected.
Further, methods described is further comprising the steps of：
6) after checks that the connecting bolt of every reinforcing bar on joint face reaches the requirement of pretightning force, filled out with high-strength mortar
Fill the bolt cavity of steel bar anchoring converter.
The steel bar anchoring converter also includes top plate, and symmetrical both sides set the power transmission side between the top plate and bottom plate
Plate, one end sets the closing side plate between the top plate and bottom plate, and the other end is opening between the top plate and bottom plate, described
Top plate is provided with the bar connecting hole being connected with reinforcing bar one end.According to the program, steel bar anchoring converter is in isosceles trapezoid；It is described
Top plate can also be given up when necessary, form top by being joined directly together at the top of two blocks of power transmission side plates, now steel bar anchoring converter
In isosceles triangle shape.
The present invention technical concept be：Adhere to the basic principle of bar connecting, i.e. equal strength, reliable, effectively, utilize one
Steel bar anchoring converter, realize that the positioning of reinforcing bar is reliable, easy to connect, and can be square using different steel bar anchoring converter forms
Just the bar connecting of diverse location is adapted to.The core of the present invention is the calculating of steel bar anchoring converter design and the company with reinforcing bar
Technique is connect, the line of force for being characterized in ensure to connect reinforcing bar both ends keeps non-deviation state.
Establish on existing reinforcing bar and Steel Structural Design standard, normative foundation, after the completion of the Concrete Structure Design,
The reinforcing bar that needs connect just is can determine that, design is attached using reinforcing bar nominal diameter as the basic parameter of connection, will in factory
Steel bar anchoring converter and the connection of member reinforcing steel bar one end, and complete element precast；Can be directly with bolt by both ends in engineering site
Steel bar anchoring converter be connected.
Beneficial effects of the present invention are mainly manifested in：Technique is simplified, connection reliability is good.
Brief description of the drawings
Fig. 1 is a kind of steel bar anchoring converter front view, wherein, 1. bar connecting holes；2. bolt connecting hole；3. top plate；
4. bottom plate；5. power transmission side plate；6. reinforcing bar line of force.
Fig. 2 is a kind of steel bar anchoring transducer side view, wherein, 7. closing side plates；8. opening.
Fig. 3 is reinforcing bar and steel bar anchoring converter top plate groove weld seam schematic diagram.
Fig. 4 is the schematic diagram of another steel bar anchoring converter.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
A kind of 1~Fig. 4 of reference picture, the conversion connection method of reinforcing bar, comprises the following steps：
1) determines the stress steel plate thickness of steel bar anchoring converter according to the diameter d of reinforcing bar, design, makes steel bar anchoring
Converter；
The steel bar anchoring converter includes top plate 3, bottom plate 4, power transmission side plate 5 and closing side plate 7, the top plate 3 and bottom
Symmetrical both sides set the power transmission side plate 5 between plate 4, and one end sets the closing side plate 7, institute between the top plate 3 and bottom plate 4
It is opening 8 to state the other end between top plate and bottom plate；The top plate 3 is provided with the bar connecting hole 1 being connected with reinforcing bar one end, described
Bottom plate 4 is provided with bolt connecting hole 2；According to the program, steel bar anchoring converter is in isosceles trapezoid, as shown in Figure 1.The top plate
3 can also give up when necessary, and top is formed by being joined directly together at the top of two blocks of power transmission side plates, now steel bar anchoring converter in etc.
Lumbar triangle shape, as shown in Figure 4.
The basic demand of steel bar anchoring converter and connecting bolt：
1.1) the steel tension f of steel bar anchoring convertery, shearing strength fvCan not be corresponding less than bar material is connected
Intensity f and fvv；The material tension f of the bolt of connectiony', shearing strength fv' to have to be larger than connected bar material strong accordingly
Degree.With d represent connection reinforcing bar nominal diameter, also serve as the nominal diameter of bolt.
1.1) the steel tension f of steel bar anchoring convertery, shearing strength fvCan not be corresponding less than bar material is connected
Intensity f and fvv；The material tension f of the bolt of connectiony', shearing strength fv' to have to be larger than connected bar material strong accordingly
Degree；With d represent connection reinforcing bar nominal diameter, also serve as the nominal diameter of bolt；
1.2) the connection surfaces externally and internally of steel bar anchoring converter makees impression processing, with increase frictional force between joint face and
Cohesive force between concrete；
1.3) bolt uses 8.8 grades of high-strength bolts；
1.4) d is worked as<During 20mm, connecting hole aperture D=d+2~3mm of steel bar anchoring converter top plate is taken, steel bar anchoring turns
Parallel operation top plate thickness takes t；
1.5) as d >=20mm, groove form should be used in the way of accompanying drawing 3 with the connecting hole of bar connecting top plate.
1.6) steel bar anchoring converter power transmission side plate thickness takes K；Bolt connecting hole aperture takes D, connecting hole center to each side
The minimum coverage on side is j, steel bar anchoring converter base plate thickness T=t+ (2~5) mm；Steel bar anchoring converter clear height takes L
>L1, L1 are high-strength connecting bolt overall length, are determined by bolt standard；
1.7) connected in the processing of steel bar anchoring converter between each plate using two-sided fillet welding；Minimum Concrete Protective Coating Thickness
The requirement of existing concrete design specification should be met, the interior outer peripheral thickness of concrete cover of force transducer is smaller than reinforcing bar and mixed
Solidifying protective soil layer thickness.
2) reinforcing bars are connected with steel bar anchoring converter one end.
3) presses Design Orientation reinforcing bar and steel bar anchoring converter, and casting concrete forms prefabricated components.
4) selects the connecting bolt between steel bar anchoring converter, using high-strength bolt, and the connecting bolt of single steel bar
Pressure-bearing type considers that the friction-type of pressing of more reinforcing bar joint steel bar anchoring converters considers.
5) by high-strength bolt pretightning force requirement, by the steel bar anchoring converter bolt hole bolt phase of joint face both sides
Even.
6) after checks that the connecting bolt of every reinforcing bar on joint face reaches the requirement of pretightning force, filled out with high-strength mortar
The bolt cavity of steel bar anchoring converter is filled, this step can also treat that all joint faces are completed to connect latter and carried out.
Now illustrate that the specific of the present invention applies scheme exemplified by connecting reinforcing bar nominal diameter d=20mm：
(1) d is worked as<During 20mm, as shown in Figure 1 and Figure 2, the aperture D=d of bar connecting hole 1 of steel bar anchoring converter top plate is taken
+2mm；The thickness of steel bar anchoring converter top plate 3 takes t=10~15mm；The thickness of steel bar anchoring converter power transmission side plate 5 take K=5~
8mm；Steel bar anchoring converter bottom plate 4 thickness T=t+ (2~5) mm；Steel bar anchoring converter clear height takes L>(L1 takes high-strength company to L1
Connecting bolt overall length, determined by bolt standard)；The closing thickness of side plate 7 takes k=2~3mm, and the aperture of bolt connecting hole 2 takes D=d+
2mm；Minimum Concrete Protective Coating Thickness should meet the requirement of existing concrete design specification, the interior outer peripheral coagulation of force transducer
Protective soil layer thickness is smaller than Minimum Concrete Protective Coating Thickness；Steel bar anchoring converter is made of steel, is processed by design
Make steel bar anchoring converter；
Reinforcing bar nominal diameter d >=20mm situation also uses the method, and bar connecting hole 1 should use Fig. 3 forms.
(2) steel bar stress termination is inserted in the bar connecting hole 1 on steel bar anchoring converter top plate and by itself and reinforcing bar
Interior force transducer top plate 3 welds.
(3) Design Orientation reinforcing bar and steel bar anchoring converter are pressed, casting concrete forms prefabricated components.
(4) connecting bolt between steel bar anchoring converter is selected, using high-strength bolt, and the connecting bolt of single steel bar
Consider by pressure-bearing type, the more united connecting bolts of reinforcing bar are considered by friction-type；Bolt length presses steel bar anchoring converter and spiral shell
The determination of bolt standard, wherein overall length L1=2T+2 × (height of nut+pad)+15mm.
(5) by the pretightning force requirement of high-strength bolt, the bottom plate of two steel bar anchoring converters is connected with bolt, during connection
Control mode T0=0.132Pd (wherein P is tools for bolts ' pretension value of thrust, and diameter value is pressed by high-strength bolt standard).
(6) after checking that the connecting bolt of every reinforcing bar on joint face reaches the requirement of control mode, high-strength mortar is used
The bolt cavity of steel bar anchoring converter is filled, this step can also treat that all joint faces are completed to connect latter and carried out.
Claims (4)
- A kind of 1. conversion connection method of reinforcing bar, it is characterised in that：Comprise the following steps：1) determines the stress steel plate thickness of steel bar anchoring converter according to the diameter d of reinforcing bar, makes steel bar anchoring converter；The steel bar anchoring converter includes bottom plate, power transmission side plate and closing side plate, the power transmission side plate and is symmetricly set on described The both sides of bottom plate, described bottom plate one end set the closing side plate, and the bottom plate other end is opening, the power transmission side plate it is upper With connecting at the top of the steel bar anchoring converter, the top of the steel bar anchoring converter is provided with what is be connected with reinforcing bar one end at end Bar connecting hole, the bottom plate are provided with bolt connecting hole；2) by bar connecting in the bar connecting hole of steel bar anchoring converter；3) presses Design Orientation reinforcing bar and steel bar anchoring converter, and casting concrete forms prefabricated components；4) selects the connecting bolt between steel bar anchoring converter；5) connects the bottom plate of two steel bar anchoring converters by the pretightning force requirement of bolt, bolt connecting hole connecting bolt It is connected.
- A kind of 2. conversion connection method of reinforcing bar as claimed in claim 1, it is characterised in that：Methods described also includes following step Suddenly：6) after checks that the connecting bolt of every reinforcing bar on joint face reaches the requirement of pretightning force, steel is filled with high-strength mortar The bolt cavity of force transducer in muscle.
- A kind of 3. conversion connection method of reinforcing bar as claimed in claim 1 or 2, it is characterised in that：It is described in the step 1) The performance requirement of steel bar anchoring converter and connecting bolt is as follows：1.1) the steel tension f of steel bar anchoring convertery, shearing strength fvIt can not be less than and connect the corresponding intensity f of bar material And fvv；The material tension f of the bolt of connectiony', shearing strength fv' it have to be larger than the corresponding intensity of connected bar material；With D expressions connect the nominal diameter of reinforcing bar, also serve as the nominal diameter of bolt；1.2) the connection surfaces externally and internally of steel bar anchoring converter makees impression processing, with increase frictional force between joint face and with it is mixed Cohesive force between solidifying soil；1.3) bolt uses high-strength bolt；1.4) d is worked as<During 20mm, connecting hole aperture D=d+2~3mm of steel bar anchoring converter top plate, steel bar anchoring converter are taken Top plate thickness takes t；1.5) as d >=20mm, groove form should be used in the way of accompanying drawing 3 with the connecting hole of bar connecting top plate.1.6) steel bar anchoring converter power transmission side plate thickness takes K；Bolt connecting hole aperture takes D, connecting hole center to each side Minimum coverage is j, steel bar anchoring converter base plate thickness T=t+ (2~5) mm；Steel bar anchoring converter clear height takes L>L1, L1 is high-strength connecting bolt overall length, is determined by bolt standard；1.7) connected in the processing of steel bar anchoring converter between each plate using two-sided fillet welding；Minimum Concrete Protective Coating Thickness should expire The requirement of the existing concrete design specification of foot, the interior outer peripheral thickness of concrete cover of force transducer are smaller than armored concrete Protective layer thickness, but it is not less than 10mm.
- A kind of 4. conversion connection method of reinforcing bar as claimed in claim 1 or 2, it is characterised in that：The steel bar anchoring conversion Device also includes top plate, and symmetrical both sides set the power transmission side plate between the top plate and bottom plate, one between the top plate and bottom plate End sets the closing side plate, and the other end is opening between the top plate and bottom plate, and the top plate is provided with to be connected with reinforcing bar one end The bar connecting hole connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559635.9A CN107366390A (en) | 2017-07-11 | 2017-07-11 | A kind of conversion connection method of reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559635.9A CN107366390A (en) | 2017-07-11 | 2017-07-11 | A kind of conversion connection method of reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107366390A true CN107366390A (en) | 2017-11-21 |
Family
ID=60305196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710559635.9A Pending CN107366390A (en) | 2017-07-11 | 2017-07-11 | A kind of conversion connection method of reinforcing bar |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725479A (en) * | 2019-10-10 | 2020-01-24 | 东南大学 | Assembled steel bar connector |
| CN112681515A (en) * | 2020-12-24 | 2021-04-20 | 应义淼 | Connecting method of precast concrete horizontal members |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110134352A (en) * | 2011-11-04 | 2011-12-14 | (주)대흥이엔지 | Coupler |
| CN103132656A (en) * | 2013-02-19 | 2013-06-05 | 东南大学 | Connecting structure for vertical reinforcement bars of prefabricated wall parts |
| CN105442760A (en) * | 2015-11-19 | 2016-03-30 | 北京建筑大学 | Steel bar connection mode used for connection among prefabricated reinforced concrete members |
| CN206157895U (en) * | 2016-10-17 | 2017-05-10 | 浙江工业大学工程设计集团有限公司 | Assembled concrete connection structure |
-
2017
- 2017-07-11 CN CN201710559635.9A patent/CN107366390A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110134352A (en) * | 2011-11-04 | 2011-12-14 | (주)대흥이엔지 | Coupler |
| CN103132656A (en) * | 2013-02-19 | 2013-06-05 | 东南大学 | Connecting structure for vertical reinforcement bars of prefabricated wall parts |
| CN105442760A (en) * | 2015-11-19 | 2016-03-30 | 北京建筑大学 | Steel bar connection mode used for connection among prefabricated reinforced concrete members |
| CN206157895U (en) * | 2016-10-17 | 2017-05-10 | 浙江工业大学工程设计集团有限公司 | Assembled concrete connection structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725479A (en) * | 2019-10-10 | 2020-01-24 | 东南大学 | Assembled steel bar connector |
| CN110725479B (en) * | 2019-10-10 | 2021-04-06 | 东南大学 | Assembled steel bar connector |
| CN112681515A (en) * | 2020-12-24 | 2021-04-20 | 应义淼 | Connecting method of precast concrete horizontal members |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171121 |
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| RJ01 | Rejection of invention patent application after publication |