CN106836603A - A kind of device and its construction method for discharging Concrete Structure Temperature and shrinkage stress - Google Patents
A kind of device and its construction method for discharging Concrete Structure Temperature and shrinkage stress Download PDFInfo
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- CN106836603A CN106836603A CN201710099689.1A CN201710099689A CN106836603A CN 106836603 A CN106836603 A CN 106836603A CN 201710099689 A CN201710099689 A CN 201710099689A CN 106836603 A CN106836603 A CN 106836603A
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- main body
- steel plate
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000007599 discharging Methods 0.000 title claims abstract description 10
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 45
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 16
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000012791 sliding layer Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 75
- 239000010959 steel Substances 0.000 claims description 75
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 9
- 238000009415 formwork Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 claims description 3
- 238000009416 shuttering Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
- E04B1/6804—Joint covers specially adapted for floor parts
-
- 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
-
- 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
- E04C5/165—Coaxial connection by means of sleeves
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of device for discharging concrete structure and temperature shrinkage stress, it includes：Concrete main body floor（1）With concrete connecting plate（2）, concrete main body floor（1）Shear connector is set up in upper and lower end position end（3）, concrete connecting plate（2）The main spring steel bar sleeve pipe being distributed by upper and lower two-layer（6）With the horizontal polytetrafluoroethylene (PTFE) backing plate sliding layer of upper and lower surface end（7）Composition.The present invention provides a kind of device and its construction method for putting Concrete Structure Temperature and shrinkage stress, device is provided with to be had relative deformation to discharge because of the stress that temperature, pinch confinement deformation are produced between sliding layer can make two main bodys, simple structure, avoid parting, it is adaptable to Overlong Concrete Structure and parting structure；Concrete one-time-concreting can be realized in construction method, the validity of post-concreted expansion strip, constructing operation simplicity, and energy holding structure transmission internal force is not provided with.
Description
Technical field
The present invention relates to a kind of device and construction method for discharging Concrete Structure Temperature and shrinkage stress, belong to building knot
Structure component and technical field of building construction.
Background technology
As the Overlong Concrete Structures such as large scale business synthesis, terminal are largely built in China, seam knot is not set continuously
The engineer applied of structure increasingly increases.Temperature and concrete shrinkage produce restrained deformation and are tying in acting on Overlong Concrete Structure
Occurring larger tension in structure makes structure crack.At present, the general fashion that solution overlength does not set seam is to set post-cast strip to release
Concrete early stage contraction distortion is put, expansion reinforcing band compensation temperature contraction distortion is set, or balances temperature using prestressing technique
Tension that degree deformation is produced etc..Wherein, post-cast strip can only discharge the contraction distortion of concrete, it is impossible to solve temperature deformation, and
It is unable to one-time-concreting completion；Expansion reinforcing band is limited in one's ability due to resistance contraction distortion, therefore this method is not suitable for shrinking change
The excessive super-long structural of shape；And design and the difficulty constructed then have been significantly greatly increased using prestressing technique, also increase building knot
The cost and cost of structure.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of device for discharging Concrete Structure Temperature and shrinkage stress
And its construction method, the present apparatus can deform with the axial constraint of emission levels component, can effectively controlled because of temperature and contraction distortion
The crack for producing is constrained, while moment of flexure and shearing and part axial force can be transmitted without influence overall structure stress performance,
Meet the characteristic of the continuous power transmission of super-long structural；In construction method, step simplicity, device simple installation, concrete can be poured once
Completion is built, efficiency of construction is improved.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：One kind release Concrete Structure Temperature and receipts
The device of stress under compression, it is characterised in that：Comprising both sides concrete main bodies floor, concrete connecting plate and steel plate shear connector,
The concrete main body floor is made up of concrete, upper strata two-way concrete slab and lower floor's two-way concrete slab, the concrete connecting plate bag
Sleeve pipe containing spring steel bar, slip bed course and bar-mat reinforcement, the spring steel bar sleeve pipe is by bellows, viscous damping liquid and spring steel bar
Composition, steel plate shear connector is made up of support steel plate, junction steel plate, high-strength bolt and plain bolt, on the main body floor
Lower surface sets concrete cushion near end, and cushion is provided between the main body floor and connecting plate.
The main body floor upper and lower surface is each in the range of end 100mm~150mm to set 10mm thickness concrete cushions,
There is cushion between the main body floor and connecting plate, 30~40mm of the buffering thickness, the cushion is poly- using flexible light weight
Acid imide foam material.
The connecting plate width is 300mm~500mm, and the thickness of the connecting plate is at least 120mm, the connecting plate edge
Building structure length direction is set together every 55m, and the connecting plate is along building structure width insertion.
The connecting plate upper and lower surface is set by the distance of the inside 50mm in end and slides bed course, and the sliding mats slice width degree is
50mm, the slip bed course is polyfluortetraethylene plate, and spring steel bar sleeve pipe is arranged along its width in the connecting plate, described
Spring steel bar sleeve pipe is corresponding with length direction reinforcement location with main body floor, and the spring steel bar sleeve pipe is along connection plate thickness side
To twice setting up and down, the bar-mat reinforcement two-layer is individually positioned in upside and the lower springs reinforcing bar set of upper springs steel bar sleeve
The downside of pipe.
The spring steel bar sleeve pipe is thin-wall metal bellows, the spring steel bar casing diameter 30mm, the spring steel
Spring steel bar is placed in tendon bush, the spring steel bar stretches out sleeve pipe and connecting plate and with straight line muscle form and main body concrete
Middle same position reinforcing bar is connected with device connection, and spring steel bar a diameter of 6mm or 8mm fills around the spring steel bar
Full viscous damping liquid, the viscous damping liquid is viscous grease.
The upper and lower two parts connection of the steel plate connector point, partly connects by junction steel plate and plain bolt on the steel plate
Composition, partly connects under the steel plate and is made up of support steel plate and high-strength bolt.
The junction steel plate and support steel plate side extend to concrete main body floor upper surface concrete cushion position, institute
State junction steel plate and support steel plate opposite side extends to concrete connecting plate upper and lower surface and slides bed course position.The junction steel plate
It is connected with main body floor with bolt and high-strength bolt respectively in concrete main body floor side with support steel plate.
The junction steel plate and support steel plate transmit the shearing and moment of flexure between main body floor and connecting plate, the support steel
Plate also primary support plays bearing of the concrete connecting plate as concrete connecting plate.Pass through between the main body floor and connecting plate
Sliding layer can realize that level is relative and slide deformation.
A kind of construction method for discharging Concrete Structure Temperature and shrinkage stress device, it is characterised in that：Including following step
Suddenly：
Step one：Positioning determines the placement location of connecting plate, typically in 1/3~1/4 plate apart from end support saddle beam across model
Enclose, formwork supporting plate colligation agent structure reinforcing bar.
Step 2：When connecting plate is prefabrication, formwork places connecting plate and light flexible cushion, then uses reinforcing bar
The reinforcing bar stretched out in reinforcing bar and connecting plate in connector connection agent structure；When connecting plate is cast in situs, formwork positioning
Spring steel bar sleeve pipe and bar-mat reinforcement in connecting plate, make the reinforcing bar in the reinforcing bar and main board stretched out in steel sleeve connect by bolt
Connect device to be connected, place light flexible cushion.
Step 3：Casting concrete main board, when connecting plate is cast in situs, also pours simultaneously.
Step 4：When reaching respective strengths, main board elder generation form removal, upper and lower end parts surface phase of the connecting plate near cushion
Position is answered to paste polytetrafluoroethylene (PTFE) backing plate；Backing plate when connecting plate is prefabricated on this step connecting plate is made in factory.
Step 5：After concrete strength reaches 100%, in connecting plate both sides main board end, upper and lower surface is connected with bolt
Setting steel plate shear connector is connect, upper surface plain bolt connects anti-shear steel plate, and lower surface connects support steel with high-strength bolt
Plate.Shear connector is brought into close contact from main board external part with polytetrafluoroethylene (PTFE) backing plate.
Step 6：Remove the support shuttering of connecting plate.
The present invention provides a kind of device and its construction method for discharging Concrete Structure Temperature and shrinkage stress, it is considered to temperature
And the characteristics of shrinkage stress, in the presence of horizontal beams and slabs transmission moment of flexure, shearing is not influenceed, can be with emission levels component
Part axial deformation, has reached the purpose for reducing the restraint stress that Overlong Concrete Structure is produced by temperature and contraction distortion.Can
Press《Code for design of concrete structures (2010 editions)》Requirement, needing set expansion joint position (such as every 55m) set
This constructional device, without structure is split as into independent subelement, allows structure to keep the continuity and entirety of power transmission
Property.Horizontal beam slab is effectively mainly transmitted by steel plate shear connector between connection concrete slab and main body concrete slab
The moment of flexure and shearing of component, on the other hand, by the spring steel bar in connecting plate with certain deformability and both sides main board
In vertical muscle be connected, make reinforcing bar uninterrupted on the whole, keep the continuity of intermal force.Top junction steel plate one end passes through spiral shell
Bolt is fastened in main body concrete slab, and the other end is brought into close contact with the polytetrafluoroethylene (PTFE) sliding layer on connecting plate, is formed certainly
By sliding end；Bottom junction steel plate plays a part of support concrete connecting plate, and connected mode is identical with top steel plate, also to pass
Moment of flexure, shearing and release axle power are passed, but stress is complex, from high-strength bolt connection.Set between connecting plate and main board
Supple buffer layer is put, the requirement of axially opposing deformation between connecting plate and main board is met.The present invention provides a kind of release coagulation
The device and its construction method of soil structure temperature and shrinkage stress, this device are provided with horizontal sliding layer in horizontal beams and slabs,
Under the power transmission requirement for meeting moment of flexure and shearing, emission levels restrained deformation, and with rub resistance, high life, simple structure, just
In the characteristic of construction.It is simple with construction procedure in construction method, simple operation, meanwhile, can also replace being poured after stretching
Band, makes the concrete structure can poured up at a time.
Brief description of the drawings
Fig. 1 is structural profile schematic diagram of the invention；
Fig. 2 is the A-A of Fig. 1 to sectional view；
Fig. 3 is concrete connecting plate generalized section；
Fig. 4 is the A-A of Fig. 3 to sectional view；
Fig. 5 is main body concrete plate and steel plate connector schematic diagram；
Fig. 6 illustrates for spring steel bar corrugated-pipe sleeve；
Fig. 7 is that structural plan layout drawing setting position is illustrated；
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in figs. 1 to 6, a kind of device for discharging Concrete Structure Temperature and shrinkage stress, it is characterised in that：Comprising two
Side concrete main body floor, concrete connecting plate and steel plate shear connector, the concrete main body floor is by concrete, upper strata
Two-way concrete slab and lower floor's two-way concrete slab composition, the concrete connecting plate include spring steel bar sleeve pipe, slip bed course and bar-mat reinforcement,
The spring steel bar sleeve pipe is made up of bellows, viscous damping liquid and spring steel bar, and steel plate shear connector is by support steel plate, company
Steel plate, high-strength bolt and plain bolt composition are connect, the main body floor upper and lower surface sets concrete cushion near end, described
Cushion is provided between main body floor and connecting plate.
The main body floor upper and lower surface is each in the range of end 100mm~150mm to set 10mm thickness concrete cushions,
There is cushion between the main body floor and connecting plate, 30~40mm of the buffering thickness, the cushion is poly- using flexible light weight
Acid imide foam material.
The connecting plate width is 300mm~500mm, and the thickness of the connecting plate is at least 120mm, the connecting plate edge
Building structure length direction is set together every 55m, and the connecting plate is along building structure width insertion.
The connecting plate upper and lower surface is set by the distance of the inside 50mm in end and slides bed course, and the sliding mats slice width degree is
50mm, the slip bed course is polyfluortetraethylene plate, and spring steel bar sleeve pipe is arranged along its width in the connecting plate, described
Spring steel bar sleeve pipe is corresponding with length direction reinforcement location with main body floor, and the spring steel bar sleeve pipe is along connection plate thickness side
To twice setting up and down, the bar-mat reinforcement two-layer is individually positioned in upside and the lower springs reinforcing bar set of upper springs steel bar sleeve
The downside of pipe.
The spring steel bar sleeve pipe is thin-wall metal bellows, the spring steel bar casing diameter 30mm, the spring steel
Spring steel bar is placed in tendon bush, the spring steel bar stretches out sleeve pipe and connecting plate and with straight line muscle form and main body concrete
Middle same position reinforcing bar is connected with device connection, and spring steel bar a diameter of 6mm or 8mm fills around the spring steel bar
Full viscous damping liquid, the viscous damping liquid is viscous grease.
The upper and lower two parts connection of the steel plate connector point, partly connects by junction steel plate and plain bolt on the steel plate
Composition, partly connects under the steel plate and is made up of support steel plate and high-strength bolt.
The junction steel plate and support steel plate side extend to concrete main body floor upper surface concrete cushion position, institute
State junction steel plate and support steel plate opposite side extends to concrete connecting plate upper and lower surface and slides bed course position.The junction steel plate
It is connected with main body floor with bolt and high-strength bolt respectively in concrete main body floor side with support steel plate.
The junction steel plate and support steel plate transmit the shearing and moment of flexure between main body floor and connecting plate, the support steel
Plate also primary support plays bearing of the concrete connecting plate as concrete connecting plate.Pass through between the main body floor and connecting plate
Sliding layer can realize that level is relative and slide deformation.
A kind of construction method for discharging Concrete Structure Temperature and shrinkage stress device, it is characterised in that：Including following step
Suddenly：
Step one：Positioning determines the placement location of connecting plate, typically in 1/3~1/4 plate apart from end support saddle beam across model
Enclose, formwork supporting plate colligation agent structure reinforcing bar.
Step 2：When connecting plate is prefabrication, formwork places connecting plate and light flexible cushion, then uses reinforcing bar
The reinforcing bar stretched out in reinforcing bar and connecting plate in connector connection agent structure；When connecting plate is cast in situs, formwork positioning
Spring steel bar sleeve pipe and bar-mat reinforcement in connecting plate, make the reinforcing bar in the reinforcing bar and main board stretched out in steel sleeve connect by bolt
Connect device to be connected, place light flexible cushion.
Step 3：Casting concrete main board, when connecting plate is cast in situs, also pours simultaneously.
Step 4：When reaching respective strengths, main board elder generation form removal, upper and lower end parts surface phase of the connecting plate near cushion
Position is answered to paste polytetrafluoroethylene (PTFE) backing plate；Backing plate when connecting plate is prefabricated on this step connecting plate is made in factory.
Step 5：After concrete strength reaches 100%, in connecting plate both sides main board end, upper and lower surface is connected with bolt
Setting steel plate shear connector is connect, upper surface plain bolt connects anti-shear steel plate, and lower surface connects support steel with high-strength bolt
Plate.Shear connector is brought into close contact from main board external part with polytetrafluoroethylene (PTFE) backing plate.
Step 6：Remove the support shuttering of connecting plate.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
Member sets, and under the premise without departing from the principles of the invention, can also just go out some improvements and modifications and also should be regarded as guarantor of the invention
Shield scope.
Claims (9)
1. a kind of device for discharging Concrete Structure Temperature and shrinkage stress, it is characterised in that：Comprising both sides concrete main body building
Plate (1), concrete connecting plate (2) and steel plate shear connector (3), the concrete main body floor (1) by concrete (1), on
Layer two-way concrete slab (4) and lower floor's two-way concrete slab (5) composition, the concrete connecting plate (2) include spring steel bar sleeve pipe (6), cunning
Dynamic bed course (7) and bar-mat reinforcement (8), the spring steel bar sleeve pipe (6) is by bellows (9), viscous damping liquid (10) and spring steel bar
(11) constitute, steel plate shear connector (3) is by support steel plate (12), junction steel plate (13), high-strength bolt (14) and plain bolt
(15) constitute.
2. a kind of release Concrete Structure Temperature according to claims 1 and the device of shrinkage stress, it is characterised in that：
Main body floor (1) upper and lower surface is each in the range of end 100mm~150mm to set 10mm thickness concrete cushion (18),
There are cushion (16), 30~40mm of cushion (16) thickness, the cushion between the main body floor (1) and connecting plate (2)
(16) flexible light weight Polyimide foams are used.
3. a kind of release Concrete Structure Temperature according to claims 1 and the device of shrinkage stress, it is characterised in that：
Connecting plate (2) width is 300mm~500mm, and the thickness of the connecting plate (2) is at least 120mm, the connecting plate (2)
Set together every 55m along building structure length direction, the connecting plate (2) is along building structure width insertion.
4. a kind of release Concrete Structure Temperature according to claims 3 and the device of shrinkage stress, it is characterised in that：
Connecting plate (2) upper and lower surface is set by the distance of the inside 50mm in end and slides bed course (7), described slip bed course (7) width
It is 50mm, the slip bed course (7) is polyfluortetraethylene plate, spring steel bar is arranged along its width in the connecting plate (2)
Sleeve pipe (6), the spring steel bar sleeve pipe (6) and, the spring steel bar corresponding with length direction reinforcement location in main body floor (1)
Sleeve pipe (6) is individually positioned in upper springs steel along connecting plate (2) thickness direction twice setting up and down, bar-mat reinforcement (8) two-layer
The upside of tendon bush (6) and the downside of lower springs steel bar sleeve (6).
5. a kind of release Concrete Structure Temperature according to claims 4 and the device of shrinkage stress, it is characterised in that：
The spring steel bar sleeve pipe (6) is thin-wall metal bellows (9), spring steel bar sleeve pipe (6) diameter 30mm~40mm, described
Place spring steel bar (11) in spring steel bar sleeve pipe (6), the spring steel bar (11) stretch out sleeve pipe (6) and connecting plate (2) and
With straight line muscle form be connected with device (17) with position reinforcing bar in main body concrete (1) and be connected, the spring steel bar (11)
A diameter of 6mm or 8mm, is full of viscous damping liquid (10) around the spring steel bar (11), the viscous damping liquid (10) is viscous
Stagnant grease.
6. a kind of release Concrete Structure Temperature according to claims 1 and the device of shrinkage stress, it is characterised in that：
The upper and lower two parts connection of the steel plate connector (3) point, partly connects by junction steel plate (13) and plain bolt on the steel plate
(15) constitute, partly connected under the steel plate and be made up of support steel plate (12) and high-strength bolt (14).
7. a kind of release Concrete Structure Temperature according to claims 6 and the device of shrinkage stress, it is characterised in that：
The junction steel plate (13) and support steel plate (12) side extend to concrete main body floor (1) upper surface concrete cushion position
(17), the junction steel plate (13) and support steel plate (12) opposite side extend to concrete connecting plate (2) upper and lower surface sliding mats
Layer (7) position.The junction steel plate (13) and support steel plate (12) use bolt (15) respectively in concrete main body floor (1) side
It is connected with main body floor (1) with high-strength bolt (14).
8. a kind of release Concrete Structure Temperature according to claims 7 and the device of shrinkage stress, it is characterised in that：
The junction steel plate (13) and support steel plate (12) transmit the shearing and moment of flexure between main body floor (1) and connecting plate (2), described
Support steel plate (12) goes back primary support and plays bearing of the concrete connecting plate (2) as concrete connecting plate (2).The main body building
Level is capable of achieving by sliding layer (7) between plate (1) and connecting plate (2) and slides deformation relatively.
9. the construction of a kind of release Concrete Structure Temperature and shrinkage stress device according to claim 1-8 any one
Method, it is characterised in that：Comprise the following steps：
Step one：Positioning determines the placement location of connecting plate (2), typically in 1/3~1/4 plate apart from end support saddle beam across model
Enclose, reinforcing bar in formwork supporting plate colligation agent structure (1).
Step 2：When connecting plate (2) is for prefabrication, formwork places connecting plate (2) and light flexible cushion (16), then
The reinforcing bar stretched out in reinforcing bar and connecting plate (2) in agent structure (1) is connected with reinforcing bar connector (17)；When connecting plate (2) is
During cast in situs, formwork is located by connecting spring steel bar sleeve pipe (6) and bar-mat reinforcement (8) in plate (2), makes to be stretched out in steel sleeve (6)
Reinforcing bar be bolted device (17) with the reinforcing bar in main board (1) and be connected, place light flexible cushion (16).
Step 3：Casting concrete main board (1), when connecting plate (2) is for cast in situs, also pours simultaneously.
Step 4：During up to respective strengths, main board (1) elder generation form removal, upper and lower end parts table of the connecting plate (2) near cushion (16)
Paste polytetrafluoroethylene (PTFE) backing plate (7) in face relevant position；When connecting plate (2) for it is prefabricated when this step connecting plate (2) on backing plate (7)
Made in factory.
Step 5：After concrete strength reaches 100%, in connecting plate (2) both sides main board (1) end upper and lower surface bolt
Connect setting steel plate shear connector (3), upper surface plain bolt connects anti-shear steel plate, and the connection of lower surface high-strength bolt is held
Support steel plate.Shear connector (3) is brought into close contact from main board (1) external part with polytetrafluoroethylene (PTFE) backing plate (7).
Step 6：Remove the support shuttering of connecting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099689.1A CN106836603B (en) | 2017-02-23 | 2017-02-23 | A kind of device and its construction method discharging Concrete Structure Temperature and shrinkage stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099689.1A CN106836603B (en) | 2017-02-23 | 2017-02-23 | A kind of device and its construction method discharging Concrete Structure Temperature and shrinkage stress |
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| Publication Number | Publication Date |
|---|---|
| CN106836603A true CN106836603A (en) | 2017-06-13 |
| CN106836603B CN106836603B (en) | 2019-04-30 |
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| CN201710099689.1A Expired - Fee Related CN106836603B (en) | 2017-02-23 | 2017-02-23 | A kind of device and its construction method discharging Concrete Structure Temperature and shrinkage stress |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268856A (en) * | 2017-06-15 | 2017-10-20 | 江苏师范大学 | Controllable discharges the device and construction method of Overlong Concrete Structure temperature and shrinkage stress |
| CN107389554A (en) * | 2017-07-20 | 2017-11-24 | 重庆三峡学院 | A kind of distress in concrete self-healing detection method |
| CN108761048A (en) * | 2018-05-30 | 2018-11-06 | 重庆大学 | A kind of complete set of equipments for detecting concrete shrinkage stress |
| CN109763655A (en) * | 2019-01-23 | 2019-05-17 | 邢台职业技术学院 | A kind of Zona transformans and its construction method of automatic release concrete structure restraint stress |
| CN110241977A (en) * | 2019-06-20 | 2019-09-17 | 山东安泰克工程材料有限公司 | A kind of reinforcing bar connection component for allowing concrete shrinkage to translate |
| CN112962849A (en) * | 2021-02-22 | 2021-06-15 | 中建三局集团有限公司 | Post-settlement casting belt formwork-supporting-free system and construction method thereof |
| CN113187092A (en) * | 2021-04-14 | 2021-07-30 | 浙江信宇建设集团有限公司 | Crack-proof long and narrow concrete structure and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02132276A (en) * | 1988-11-09 | 1990-05-21 | Aoi Kagaku Kogyo Kk | Filling method and device thereof for sealant |
| CN2293588Y (en) * | 1996-04-11 | 1998-10-07 | 张玉恒 | Expanding apparatus for expansion joint of bridge deck |
| CN202483074U (en) * | 2011-11-28 | 2012-10-10 | 王子国 | Composite-structure pre-stress-stored rib |
| CN104453015A (en) * | 2014-11-19 | 2015-03-25 | 沈阳建筑大学 | Reinforcing bar splicing connection component comprising thin-wall sleeves constrained by spiral bars |
| CN105256931A (en) * | 2015-09-11 | 2016-01-20 | 江苏楚鼎建设工程有限公司 | Method for controlling cracks of cast-in-situ reinforced concrete plates |
| CN205637215U (en) * | 2016-05-20 | 2016-10-12 | 重庆科技学院 | Damping formula building vibration isolation system |
-
2017
- 2017-02-23 CN CN201710099689.1A patent/CN106836603B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02132276A (en) * | 1988-11-09 | 1990-05-21 | Aoi Kagaku Kogyo Kk | Filling method and device thereof for sealant |
| CN2293588Y (en) * | 1996-04-11 | 1998-10-07 | 张玉恒 | Expanding apparatus for expansion joint of bridge deck |
| CN202483074U (en) * | 2011-11-28 | 2012-10-10 | 王子国 | Composite-structure pre-stress-stored rib |
| CN104453015A (en) * | 2014-11-19 | 2015-03-25 | 沈阳建筑大学 | Reinforcing bar splicing connection component comprising thin-wall sleeves constrained by spiral bars |
| CN105256931A (en) * | 2015-09-11 | 2016-01-20 | 江苏楚鼎建设工程有限公司 | Method for controlling cracks of cast-in-situ reinforced concrete plates |
| CN205637215U (en) * | 2016-05-20 | 2016-10-12 | 重庆科技学院 | Damping formula building vibration isolation system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268856A (en) * | 2017-06-15 | 2017-10-20 | 江苏师范大学 | Controllable discharges the device and construction method of Overlong Concrete Structure temperature and shrinkage stress |
| CN107389554A (en) * | 2017-07-20 | 2017-11-24 | 重庆三峡学院 | A kind of distress in concrete self-healing detection method |
| CN108761048A (en) * | 2018-05-30 | 2018-11-06 | 重庆大学 | A kind of complete set of equipments for detecting concrete shrinkage stress |
| CN109763655A (en) * | 2019-01-23 | 2019-05-17 | 邢台职业技术学院 | A kind of Zona transformans and its construction method of automatic release concrete structure restraint stress |
| CN109763655B (en) * | 2019-01-23 | 2021-03-05 | 邢台职业技术学院 | Deformation belt capable of automatically releasing constraint stress of concrete structure and construction method thereof |
| CN110241977A (en) * | 2019-06-20 | 2019-09-17 | 山东安泰克工程材料有限公司 | A kind of reinforcing bar connection component for allowing concrete shrinkage to translate |
| CN110241977B (en) * | 2019-06-20 | 2021-04-20 | 山东安泰克工程材料有限公司 | Steel bar connecting assembly allowing concrete to contract and translate |
| CN112962849A (en) * | 2021-02-22 | 2021-06-15 | 中建三局集团有限公司 | Post-settlement casting belt formwork-supporting-free system and construction method thereof |
| CN113187092A (en) * | 2021-04-14 | 2021-07-30 | 浙江信宇建设集团有限公司 | Crack-proof long and narrow concrete structure and construction method thereof |
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