CN207469094U - A kind of cushion block of concrete bar protective layer for bridge web rapid construction - Google Patents
A kind of cushion block of concrete bar protective layer for bridge web rapid construction Download PDFInfo
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- CN207469094U CN207469094U CN201720844013.6U CN201720844013U CN207469094U CN 207469094 U CN207469094 U CN 207469094U CN 201720844013 U CN201720844013 U CN 201720844013U CN 207469094 U CN207469094 U CN 207469094U
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- hole
- main member
- auxiliary component
- protective layer
- waveform
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Abstract
The utility model discloses a kind of cushion block of concrete bar protective layer for bridge web rapid construction, including main member, auxiliary component, positioning pin, first passes through hole, second passes through hole, main member is the cylinder specimen with U-shaped opening, main member includes first component part and second component part, first component part is provided with the first waveform faying face in line of demarcation, auxiliary component is semi-cylindrical test specimen, the side of auxiliary component diametrically is arranged to the second waveform faying face, auxiliary component is arranged on the second component part of main member, main member is mutually agreed with auxiliary component by the first waveform faying face and the second waveform faying face, positioning pin passes through hole across first by hole and second, to fix main member and auxiliary component.Technical solution material provided by the utility model is easy to get, free from environmental pollution, and setting is ingenious, in the past, from compared with reinforcing bar beginning or end penetrates, the construction time is greatly saved, operates extremely convenient, conducive to rapid construction.
Description
Technical field
The utility model is related to science of bridge building rapid construction technology fields more particularly to one kind quickly to apply for bridge web
The cushion block of concrete bar protective layer of work.
Background technology
In durability Design, unless otherwise specified, cover to reinforcement should be the protective layer of outermost reinforcing bar, should generally be
Stirrup or outside distributing reinforcement to concrete surface vertical range.
Its effect has following several respects：
1. protect reinforcing bar not by corrosion (the higher required protective layer of water content, carbon dioxide content is thicker in air).
2. bond-anchorage (reinforcing bar uniformly will pass to load in concrete by protective layer, if protective layer thickness is inadequate,
Can occur crack too early, reinforcing bar cannot abundant stress, while water and carbon dioxide can be invaded largely again, Corrosion Reinforcement).
《Code for design of concrete structures》It is explicitly pointed out in GB 50010-2010, regular reinforcement and prestress steel in component
The thickness of concrete cover of muscle should meet following requirements：
1. the protective layer thickness of steel bar stress is no less than the nominal diameter D of reinforcing bar in component；
2. design life is the concrete structure of 50 years, the protective layer thickness of outermost layer reinforcing bar should meet the rule of table 1
Fixed, design life is the concrete structure of 100 years, and the protective layer thickness of outermost layer reinforcing bar is no less than numerical value in table 1
1.4 again.
The minimum thickness (mm) of 1 concrete cover of table
At the same time,《Concrete structure engineering construction quality accident specification》To steel bar stress in GB 50204- 2002
Protective layer thickness error is made that strict regulations, refers to table 2.
2 thickness of protection tier error (mm) of table
| Classification | Basis | Column, beam | Plate, wall, shell |
| Tolerance | ±10 | ±5 | ±3 |
In existing bridge structure work progress, to ensure thickness of protection tier, the hollow cement bonded sand of generally use cylinder
Cushion block is starched, this cushion block is penetrated from reinforcing bar beginning or end, according to design requirement, cushion block is placed designated position, it is ensured that reinforcing bar
Protective layer thickness.For Longspan Bridge, stirrup or outside distributing reinforcement are longer and more along depth of section distribution, in work progress
Reinforcing bar binding work amount is big, time-consuming more, operates extremely inconvenient, is unfavorable for rapid construction.
Utility model content
To solve the above problems, the utility model provides a kind of cover to reinforcement pad for bridge web rapid construction
Block at least partly solves above-mentioned technical problem.
For this purpose, the utility model provides a kind of cushion block of concrete bar protective layer for bridge web rapid construction, including main structure
Part, auxiliary component, positioning pin, first are by hole, second by hole, and the main member is the cylinder specimen with U-shaped opening, institute
It states main member and includes first component part and second component part, the first component part is with the second component part with vertical
Directly in a diameter of line of demarcation of the U-shaped opening, the height of the second component part is the height of the first component part
Half, the first component part is provided with the first waveform faying face, second component part edge in the line of demarcation
The first waveform faying face setting, there are two first by hole, and two described first are separately positioned on the U by hole
The both sides of shape opening；
The auxiliary component is semi-cylindrical test specimen, and the side of the auxiliary component diametrically is arranged to the second waveform
Faying face, the auxiliary component set there are two second to pass through hole, the auxiliary component setting along the second waveform faying face
On the second component part of the main member, the main member passes through the first waveform faying face with the auxiliary component
Mutually agree with the second waveform faying face, two described second are set by hole with two described first by the way that hole is corresponding
Put, the positioning pin pass through described first by hole with described second by hole, with the fixation main member and the auxiliary component.
Optionally, the hollow cylinder test specimen of the main member, cylinder radius ranging from R=C ± 2.5mm, hollow half
Diameter ranging from r=φ ± 0.5mm, wherein C are the main reinforcement of bridge web or the protective layer thickness of outermost layer reinforcing bar, and φ is bridge abdomen
The main reinforcement of plate or the diameter of outermost layer reinforcing bar, cylinder height ranging from H1=18.0 ± 0.5mm.
Optionally, the width of the U-shaped opening is inflated diameter, and described first passes through a diameter of 3.0mm in hole.
Optionally, the main member is cement mortar specimen or ironwork.
Optionally, the auxiliary component is hollow semi-cylindrical test specimen, and semicylinder radius is R=C ± 2.5mm, empty
Heart radius is r=φ ± 0.5mm, and wherein C is the main reinforcement of bridge web or the protective layer thickness of outermost layer reinforcing bar, and φ is bridge
The main reinforcement of beam web or the diameter of outermost layer reinforcing bar, semicylinder height H2=9.0 ± 0.25mm.
Optionally, the auxiliary component is cement mortar specimen or ironwork.
Optionally, described second passes through a diameter of 3.0mm in hole.
The utility model has following advantageous effects：
Cushion block of concrete bar protective layer provided by the utility model for bridge web rapid construction, including main member, auxiliary structure
By hole, second by hole, main member is the cylinder specimen with U-shaped opening for part, positioning pin, first, and main member includes the
One component part and second component part, first component part are provided with the first waveform faying face in line of demarcation, and auxiliary component is
Semi-cylindrical test specimen, the side of auxiliary component diametrically are arranged to the second waveform faying face, and auxiliary component is arranged on main structure
On the second component part of part, main member is mutual by the first waveform faying face and the second waveform faying face with auxiliary component
Agree with, positioning pin pass through first by hole with second by hole, to fix main member and auxiliary component.Skill provided by the utility model
Art Materials are easy to get, free from environmental pollution, and setting is ingenious, from compared with reinforcing bar beginning or end penetrates, are greatly saved in the past
Construction time operates extremely convenient, conducive to rapid construction.
Description of the drawings
Fig. 1 is a kind of cushion block of concrete bar protective layer for bridge web rapid construction that utility model embodiment one provides
Structure diagram；
Fig. 2 is the vertical view of main member in embodiment one；
Fig. 3 is the vertical view of auxiliary component in embodiment one；
Fig. 4 is the side view of main member shown in Fig. 2；
Fig. 5 is the side view of auxiliary component shown in Fig. 3；
Fig. 6 is the sectional view of the cushion block of concrete bar protective layer shown in FIG. 1 for bridge web rapid construction.
Specific embodiment
For those skilled in the art is made to more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality
It is described in detail with the cushion block of concrete bar protective layer for bridge web rapid construction of novel offer.
Embodiment one
Fig. 1 is a kind of cushion block of concrete bar protective layer for bridge web rapid construction that utility model embodiment one provides
Structure diagram, Fig. 2 are the vertical view of main member in embodiment one, and Fig. 3 is the vertical view of auxiliary component in embodiment one.As Fig. 1-
Shown in 3, the cushion block of concrete bar protective layer provided in this embodiment for bridge web rapid construction include main member 1, auxiliary component 2,
For positioning pin 3, first by hole 11, second by hole 21, the main member 1 is the cylinder specimen being open with U shapes.
Fig. 4 is the side view of main member shown in Fig. 2.Referring to Fig. 1-4, the main member 1 include first component part and
Second component part, the first component part and the second component part are with perpendicular to a diameter of point of the U-shaped opening
Boundary line, the height of the second component part are the half of the height of the first component part, and the first component part exists
The line of demarcation is provided with the first waveform faying face, and the second component part is set along the first waveform faying face
Pass through hole 11, two described first both sides that the U-shaped opening is separately positioned on by hole 11 there are two first.
Fig. 5 is the side view of auxiliary component shown in Fig. 3, and Fig. 6 is the reinforcing bar shown in FIG. 1 for bridge web rapid construction
The sectional view of protective layer cushion block.Referring to Fig. 1-6, the auxiliary component 2 is semi-cylindrical test specimen, and the auxiliary component 2 is along diameter side
To side be arranged to the second waveform faying face, there are two the auxiliary component 2 is set along the second waveform faying face
Second is arranged on by hole 21, the auxiliary component 2 on the second component part of the main member 1, the main member 1 with it is described
Auxiliary component 2 is mutually agreed with by the first waveform faying face and the second waveform faying face, and two described second logical
Via 21 is correspondingly arranged with two described first by hole 11, and the positioning pin 3 passes through described first by hole 11 and described the
Two-way via 21, with the fixation main member 1 and the auxiliary component 2.Technical solution material provided in this embodiment is easy to get, not dirty
Environment is contaminated, setting is ingenious, from compared with reinforcing bar beginning or end penetrates, the construction time is greatly saved, operate pole in the past
For convenience, conducive to rapid construction.
In the present embodiment, the hollow cylinder test specimen of the main member 1, cylinder radius ranging from R=C ± 2.5mm, sky
Heart radius is r=φ ± 0.5mm, and wherein C is the main reinforcement of bridge web or the protective layer thickness of outermost layer reinforcing bar, and φ is bridge
The main reinforcement of beam web or the diameter of outermost layer reinforcing bar, cylinder height ranging from H1=18.0 ± 0.5mm.Optionally, the U
The width of shape opening is inflated diameter, and described first by a diameter of 3.0mm in hole 11, and the main member 1 is cement mortar examination
Part or ironwork.
In the present embodiment, the auxiliary component 2 be hollow semi-cylindrical test specimen, semicylinder radius for R=C ±
2.5mm, hollow radius are r=φ ± 0.5mm, and wherein C is the main reinforcement of bridge web or the protection thickness of outermost layer reinforcing bar
Degree, φ be bridge web main reinforcement or outermost layer reinforcing bar diameter, semicylinder height H2=9.0 ± 0.25mm.Optionally, institute
Auxiliary component 2 is stated as cement mortar specimen or ironwork, described second passes through a diameter of 3.0mm in hole 21.
Referring to Fig. 1-6, the cushion block of concrete bar protective layer provided in this embodiment for bridge web rapid construction includes main structure
Part 1, by hole 11, auxiliary component 2, pass through hole 21, positioning pin 3.Main member 1 is the cylinder specimen of opening, and test specimen is with a diameter of
Line of demarcation, line of demarcation both sides have difference in height, and difference is height of specimen half, waveform faying face is set at line of demarcation, along knot
Conjunction face sets two and passes through hole 11.Auxiliary component 2 is semi-cylindrical test specimen, and diametrically disposed waveform faying face and two are led to
Via 21.Main member 1 is mutually agreed with auxiliary component 2 by waveform faying face.Positioning pin 3 is threaded through hole 11 and by hole 21,
Main member 1 and the connection of auxiliary component 2 are integral.
In the present embodiment, the main member 1 is the hollow cylinder test specimen of opening, and cylinder radius R=C ± 2.5mm is empty
The heart radius r=φ ± 0.5mm, wherein C are the protective layer thickness of beam, the main reinforcement of plate or outermost layer reinforcing bar, and φ is main reinforcement or outermost
The diameter of layer reinforcing bar, cylinder height H1=18.0 ± 0.5mm.Opening width is inflated diameter, test specimen using cylinder diameter as
Line of demarcation, line of demarcation both sides have difference in height, and difference is height of specimen half, and waveform faying face and two are set at line of demarcation
By hole 11, by 11 a diameter of 3.0mm of hole, the diameter of positioning pin 3 is slightly larger than by bore dia.Main member 1 is cement mortar
Test specimen or ironwork.
In the present embodiment, the auxiliary component 2 is hollow semi-cylindrical test specimen, and semicylinder radius R=C ± 2.5mm is hollow
Radius r=φ ± 0.5mm, C are the protective layer thickness of beam, the main reinforcement of plate, outermost layer reinforcing bar, and φ is main reinforcement or outermost layer reinforcing bar
Diameter, cylinder height H=9.0 ± 0.25mm.The diametrically disposed concave-convex wave to match with main member 1 of auxiliary component 2
Shape faying face, along the setting of faying face direction there are two by hole 21, opposite with by 11 position of hole, diameter is identical.Auxiliary component 2
For cement mortar specimen or ironwork.The positioning pin 3 prevents the two from loosening, main structure for connecting main member 1 and auxiliary component 2
After part 1 and auxiliary component 2 agree with completely, positioning pin 3 is inserted through in hole 21, and 3 tail portion of positioning pin is pulled open, prevents opposite position
It moves.
In the present embodiment, beam, the main reinforcement of plate or the outer diameter of outermost layer reinforcing bar are measured, as main member 1 and auxiliary component 2
Hollow parts diameter, prefabricated main member 1 and auxiliary component 2.By main member 1 from the hollow parts of opening be inserted into beam, plate main reinforcement or
Auxiliary component 2 is corresponding to it closure by outermost layer reinforcing bar, it is ensured that is corresponded to by hole 11 and by hole 21, by positioning pin 3 from passing through
It hole 11 and is passed through by hole 21, and its tail portion is pulled open, prevents from relatively moving between the two.
Cushion block of concrete bar protective layer provided in this embodiment for bridge web rapid construction, including main member, auxiliary component,
Positioning pin, first are by hole, second by hole, and main member is the cylinder specimen with U-shaped opening, and main member includes the first structure
Part part and second component part, first component part are provided with the first waveform faying face in line of demarcation, and auxiliary component is semicircle
Cylindricality test specimen, the side of auxiliary component diametrically are arranged to the second waveform faying face, and auxiliary component is arranged on main member
On second component part, main member passes through the first waveform faying face and the second mutual contract of waveform faying face with auxiliary component
Close, positioning pin pass through first by hole with second by hole, to fix main member and auxiliary component.Technical side provided in this embodiment
Case material is easy to get, free from environmental pollution, and setting is ingenious, from compared with reinforcing bar beginning or end penetrates, construction is greatly saved in the past
Time operates extremely convenient, conducive to rapid construction.
It is understood that embodiment of above is merely to illustrate that the principle of the utility model and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection domain.
Claims (7)
1. a kind of cushion block of concrete bar protective layer for bridge web rapid construction, which is characterized in that including main member, auxiliary component,
Positioning pin, first are by hole, second by hole, and the main member is the cylinder specimen with U-shaped opening, the main member packet
First component part and second component part are included, the first component part is with the second component part with perpendicular to the U
A diameter of line of demarcation of shape opening, the half of the height of the second component part for the height of the first component part, institute
It states first component part and the first waveform faying face is provided in the line of demarcation, the second component part is along described first
There are two first by hole for the setting of waveform faying face, and two described first are separately positioned on the two of the U-shaped opening by hole
Side；
The auxiliary component is semi-cylindrical test specimen, and the side of the auxiliary component diametrically is arranged to the combination of the second waveform
Face, there are two second by hole along the second waveform faying face setting for the auxiliary component, and the auxiliary component is arranged on institute
It states on the second component part of main member, the main member passes through the first waveform faying face and institute with the auxiliary component
It states the second waveform faying face mutually to agree with, two described second are correspondingly arranged by hole and two described first by hole, institute
State positioning pin across described first by hole with described second by hole, with the fixation main member and the auxiliary component.
2. the cushion block of concrete bar protective layer according to claim 1 for bridge web rapid construction, which is characterized in that described
The hollow cylinder test specimen of main member, cylinder radius ranging from R=C ± 2.5mm, hollow radius for r=φ ±
0.5mm, wherein C are the main reinforcement of bridge web or the protective layer thickness of outermost layer reinforcing bar, and φ is the main reinforcement or outermost of bridge web
The diameter of layer reinforcing bar, cylinder height ranging from H1=18.0 ± 0.5mm.
3. the cushion block of concrete bar protective layer according to claim 1 for bridge web rapid construction, which is characterized in that described
The width of U-shaped opening is inflated diameter, and described first passes through a diameter of 3.0mm in hole.
4. the cushion block of concrete bar protective layer according to claim 1 for bridge web rapid construction, which is characterized in that described
Main member is cement mortar specimen or ironwork.
5. the cushion block of concrete bar protective layer according to claim 1 for bridge web rapid construction, which is characterized in that described
Auxiliary component be hollow semi-cylindrical test specimen, semicylinder radius be R=C ± 2.5mm, hollow radius for r=φ ±
0.5mm, wherein C are the main reinforcement of bridge web or the protective layer thickness of outermost layer reinforcing bar, and φ is the main reinforcement or outermost of bridge web
The diameter of layer reinforcing bar, semicylinder height H2=9.0 ± 0.25mm.
6. the cushion block of concrete bar protective layer according to claim 1 for bridge web rapid construction, which is characterized in that described
Auxiliary component is cement mortar specimen or ironwork.
7. the cushion block of concrete bar protective layer according to claim 1 for bridge web rapid construction, which is characterized in that described
Second passes through a diameter of 3.0mm in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844013.6U CN207469094U (en) | 2017-07-12 | 2017-07-12 | A kind of cushion block of concrete bar protective layer for bridge web rapid construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844013.6U CN207469094U (en) | 2017-07-12 | 2017-07-12 | A kind of cushion block of concrete bar protective layer for bridge web rapid construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207469094U true CN207469094U (en) | 2018-06-08 |
Family
ID=62256325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720844013.6U Expired - Fee Related CN207469094U (en) | 2017-07-12 | 2017-07-12 | A kind of cushion block of concrete bar protective layer for bridge web rapid construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207469094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098357A (en) * | 2018-10-23 | 2018-12-28 | 中交公局海威工程建设有限公司 | Spigot-and-socket protective layer cushion block |
| CN112709374A (en) * | 2021-01-29 | 2021-04-27 | 杭州建工集团有限责任公司 | Thickness control device for protective layer of reinforced concrete floor and construction process |
-
2017
- 2017-07-12 CN CN201720844013.6U patent/CN207469094U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098357A (en) * | 2018-10-23 | 2018-12-28 | 中交公局海威工程建设有限公司 | Spigot-and-socket protective layer cushion block |
| CN109098357B (en) * | 2018-10-23 | 2024-03-22 | 中交一公局海威工程建设有限公司 | Socket type protective layer cushion block |
| CN112709374A (en) * | 2021-01-29 | 2021-04-27 | 杭州建工集团有限责任公司 | Thickness control device for protective layer of reinforced concrete floor and construction process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |