CN207779775U - Die trial for being molded the test quick chloride ion transport coefficient test specimen of concrete - Google Patents
Die trial for being molded the test quick chloride ion transport coefficient test specimen of concrete Download PDFInfo
- Publication number
- CN207779775U CN207779775U CN201721701006.7U CN201721701006U CN207779775U CN 207779775 U CN207779775 U CN 207779775U CN 201721701006 U CN201721701006 U CN 201721701006U CN 207779775 U CN207779775 U CN 207779775U
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- China
- Prior art keywords
- backform
- internal model
- concrete
- test specimen
- molded
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims abstract description 22
- 230000037427 ion transport Effects 0.000 title claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229920006351 engineering plastic Polymers 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses the die trials for being molded the test quick chloride ion transport coefficient test specimen of concrete, for housing cylindrical test specimen, which is characterized in that including backform, internal model and bed die；The internal model is removably connect with bed die, and the backform removably blocks the internal model, and is interconnected and forms a circular cylindrical cavity.There is the utility model convenient disassembly, good airproof performance conveniently to vibrate.
Description
Technical field
The utility model is related to concrete test mould applications.More specifically, the utility model is related to one kind at
Type tests the die trial of the quick chloride ion transport coefficient test specimen of concrete.
Background technology
With the increasingly extensive application of concrete structure, endurance issues are also increasingly paid close attention to by engineering circles.Sea
Under foreign environment, it is the main factor for causing concrete structure durability to decline that reinforcement corrosion caused by chloride permeability, which destroys,.
Chloride permeability performance is the important indicator evaluated concrete and resist chloride erosion, frequently with quick chloride ion transport Y-factor method Y
(RCM methods) is tested.
The concrete sample size tested using RCM methods is generally high 50mm ± 2mm, the cylinder of diameter 100mm ± 1mm
Body.The most popular method of producing of the test specimen is to carry out cutting polishing by core boring sampling and obtain.But when core boring sampling, test specimen
Sectional dimension and verticality be difficult to ensure, and in location of the coring procedure, since the torsional forces of drilling machine easily causes the breakage of test specimen.
Utility model content
The purpose of this utility model is to provide a kind of for being molded the test quick chloride ion transport coefficient test specimen of concrete
Die trial.The die trial is made of engineering plastics, and there is convenient disassembly, good airproof performance conveniently to vibrate.
In order to realize these purposes and other advantages according to the present utility model, provide fast for being molded test concrete
The die trial of fast chloride ion transport coefficient test specimen, for housing cylindrical test specimen, including backform, internal model and bed die；The internal model
It is removably connect with bed die, the backform removably blocks the internal model, and is interconnected and forms a circular cylindrical cavity.
Preferably, the backform, internal model and bed die are that engineering plastics are made.
Preferably, the bottom of the bed die is embedded with super-strong magnetic iron layer.
Preferably,
The backform be cylindrical structure, lower end integrally formed with annular first boss, the first boss it is interior
Diameter is more than the internal diameter of the backform, and the outer diameter of the first boss is less than the outer diameter of the backform；
The internal model is cylindrical structure, is recessed downwards on the outside of the upper end and forms a first annular slot, described first
The equal length of the depth of slot and the first boss, the first boss of the backform match company with the first slot of the internal model
It connects, so that a cylinder is collectively formed in the inner cavity of the backform and internal model；
The bed die is made of the second boss of cylindrical bottom plate and annular, and the internal diameter of the second boss is equal to described
The outer diameter of internal model.
Preferably, the outer ring of the backform and bed die bottom plate is laciniation, and teeth portion tip is arc transition.
Preferably, the inner wall of the backform, internal model and bed die is coated with releasing agent layer.
Preferably, the bottom ecto-entad tool of the internal model is there are one the first gradient structure tilted down, and described the
The angle of one gradient structure and horizontal plane is 1~15 °；
The gradient where corresponding to internal model on the bed die has matched second gradient structure.
The utility model includes at least following advantageous effect：
1) the utility model is used to be molded the die trial of the test quick chloride ion transport coefficient test specimen of concrete, by engineering plastics
It is made, relative to traditional iron die trial convenience and safety.
2) die trial bed die makes with second boss, one-pass molding, and good airproof performance can effectively prevent the outflow of slurry.
3) die trial can be securely adsorbed on iron concrete plain bumper by a super magnet built in die trial bottom surface,
Conducive to vibrating for concrete.
4) being equipped with backform ensures that surface of test piece flatness meets code requirement with size.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is according to the utility model one embodiment for being molded the quick chloride ion transport coefficient examination of test concrete
The structural schematic diagram of the die trial of part；
Fig. 2 is the structural schematic diagram according to the laciniation of the utility model one embodiment；
Fig. 3 is according to the utility model another embodiment for being molded the test quick chloride ion transport coefficient of concrete
The structural schematic diagram of the die trial of test specimen.
1- backforms, 2- internal models, 3- bed dies, 102- first boss, 103- laciniations, the first slots of 201-, 301- second
Boss, 4- super-strong magnetic iron layer.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ",
The instructions such as " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter
Change description, be not instruction or imply signified device or element must have a particular orientation, with specific azimuth configuration and
Operation, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 3, the utility model is provided for being molded the test quick chloride ion transport coefficient test specimen of concrete
Die trial, for housing cylindrical test specimen, including backform 1, internal model 2 and bed die 3；The internal model 2 removably connects with bed die 3
It connects, the backform 1 removably blocks the internal model 2, and is interconnected and forms a circular cylindrical cavity.The die trial has dismounting
Conveniently, the advantages of good airproof performance, and the sectional dimension and verticality of test specimen be ensure that, when further taking out test specimen, will not caused
Test specimen is damaged.
In another technical solution, the backform 1, internal model 2 and bed die 3 are that engineering plastics are made, and are had light
Advantage.
In another technical solution, the bottom of the bed die 3 is embedded with super-strong magnetic iron layer 4.Super-strong magnetic iron layer 4 is set
It sets, ensure that die trial can be firmly fixed on plain bumper, conducive to vibrating for concrete.
As shown in Figure 1, in another technical solution, the backform 1 is cylindrical structure, and lower end is integrally formed with ring
The first boss 102 of shape, the internal diameter of the first boss 102 are more than the internal diameter of the backform 1, the first boss 102 it is outer
Diameter is less than the outer diameter of the backform 1；
The internal model 2 is cylindrical structure, is recessed downwards on the outside of the upper end and forms a first annular slot 201, described
The equal length of the depth and the first boss 102 of first slot 201, first boss 102 and the internal model 2 of the backform 1
The first slot 201 it is in mating connection so that a cylinder is collectively formed in the inner cavity of the backform 1 and internal model 2；
The bed die 3 is made of the second boss 301 of cylindrical bottom plate and annular, the internal diameter of the second boss 301
Equal to the outer diameter of the internal model 2.
In the above-mentioned technical solutions, backform 1, internal model 2 and bed die 3 are set as above-mentioned shape, not only test specimen are facilitated to take out, but also
The problems such as leakproofness of the die trial of guarantee, mortar leakage prevention.
In another technical solution, the outer ring of 3 bottom plate of the backform 1 and bed die is laciniation 103, and teeth portion
Tip is arc transition, increasing friction force, more convenient dismounting.
In another technical solution, the inner wall of the backform 1, internal model 2 and bed die 3 is coated with releasing agent layer, facilitates examination
Part takes out.
As shown in figure 3, in another technical solution, there are one tilt down the bottom ecto-entad tool of the internal model 2
The first gradient structure, the angle of first gradient structure and horizontal plane is 1~15 °；
The gradient where corresponding to internal model 2 on the bed die 3 has matched second gradient structure.
In the above-mentioned technical solutions, certain slope is set, and sealing effect has obtained double shield.
Steps are as follows for the use of the die trial of the molding test quick chloride ion transport coefficient test specimen of concrete：
(1) backform 1, internal model 2, bed die 3 are cleaned out, is assembled into die trial successively, and in backform 1, internal model 2, bed die 3
Wall coats releasing agent layer；
(2) fresh concrete to be tested will be needed to be packed into die trial；
(3) die trial is placed on plain bumper, due to super magnet attraction, die trial is fixed on plain bumper, is opened
Plain bumper vibration compacting concrete；
(4) concrete for removing excess surface is received after the completion of vibrating, and is placed into fog room and is waited for concrete hardening condensation；
(5) backform 1 is first removed when form removal, then takes out concrete sample, and test specimen is put into fog room maintenance, waits for age
It is tested, cleaning die trial waits for next use.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. the die trial for being molded the test quick chloride ion transport coefficient test specimen of concrete, for housing cylindrical test specimen,
It is characterized in that, including backform, internal model and bed die；The internal model is removably connect with bed die, and the backform removably blocks
The internal model, and be interconnected and form a circular cylindrical cavity.
2. the die trial as described in claim 1 for being molded the test quick chloride ion transport coefficient test specimen of concrete, feature
It is, the backform, internal model and bed die are that engineering plastics are made.
3. the die trial as claimed in claim 2 for being molded the test quick chloride ion transport coefficient test specimen of concrete, feature
It is, the bottom of the bed die is embedded with super-strong magnetic iron layer.
4. the die trial as described in claim 1 for being molded the test quick chloride ion transport coefficient test specimen of concrete, feature
It is,
The backform is cylindrical structure, and integrally formed with annular first boss, the internal diameter of the first boss is big for lower end
In the internal diameter of the backform, the outer diameter of the first boss is less than the outer diameter of the backform；
The internal model is cylindrical structure, is recessed downwards on the outside of the upper end and forms a first annular slot, first slot
The equal length of depth and the first boss, the first boss of the backform and the first slot of the internal model are in mating connection,
So that a cylinder is collectively formed in the inner cavity of the backform and internal model；
The bed die is made of the second boss of cylindrical bottom plate and annular, and the internal diameter of the second boss is equal to the internal model
Outer diameter.
5. the die trial as claimed in claim 4 for being molded the test quick chloride ion transport coefficient test specimen of concrete, feature
It is, the outer ring of the backform and bed die bottom plate is laciniation, and teeth portion tip is arc transition.
6. the die trial as described in claim 1 for being molded the test quick chloride ion transport coefficient test specimen of concrete, feature
It is, the inner wall of the backform, internal model and bed die is coated with releasing agent layer.
7. the die trial as claimed in claim 4 for being molded the test quick chloride ion transport coefficient test specimen of concrete, feature
Be, the bottom ecto-entad tool of the internal model there are one the first gradient structure tilted down, first gradient structure with
The angle of horizontal plane is 1~15 °；
The gradient where corresponding to internal model on the bed die has matched second gradient structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721701006.7U CN207779775U (en) | 2017-12-08 | 2017-12-08 | Die trial for being molded the test quick chloride ion transport coefficient test specimen of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721701006.7U CN207779775U (en) | 2017-12-08 | 2017-12-08 | Die trial for being molded the test quick chloride ion transport coefficient test specimen of concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207779775U true CN207779775U (en) | 2018-08-28 |
Family
ID=63230845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721701006.7U Expired - Fee Related CN207779775U (en) | 2017-12-08 | 2017-12-08 | Die trial for being molded the test quick chloride ion transport coefficient test specimen of concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207779775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115574A (en) * | 2018-08-30 | 2019-01-01 | 长安大学 | DSR biplate test material preparation device and method and asphalt material damage-heal appraisal procedure |
-
2017
- 2017-12-08 CN CN201721701006.7U patent/CN207779775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115574A (en) * | 2018-08-30 | 2019-01-01 | 长安大学 | DSR biplate test material preparation device and method and asphalt material damage-heal appraisal procedure |
| CN109115574B (en) * | 2018-08-30 | 2021-10-01 | 长安大学 | DSR double-piece test piece preparation device and method and asphalt material damage-healing evaluation method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 |