CN207832733U - The device of Chloride Ion in Concrete migration characteristic test - Google Patents
The device of Chloride Ion in Concrete migration characteristic test Download PDFInfo
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- CN207832733U CN207832733U CN201721812624.9U CN201721812624U CN207832733U CN 207832733 U CN207832733 U CN 207832733U CN 201721812624 U CN201721812624 U CN 201721812624U CN 207832733 U CN207832733 U CN 207832733U
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Abstract
The utility model is related to a kind of devices of Chloride Ion in Concrete migration characteristic test.The device includes：Bipolar power supply module, hold the first electrolytic cell of alkaline electrolyte, using the first concrete test block as bottom cover, it is placed in the first electrolytic cell, hold the second electrolytic cell of the electrolyte containing chlorine, it is connect with bipolar power supply module positive terminal, it is placed in the first positive plate of the first concrete test block first end face, it is connect with bipolar power supply module negative end, it is placed in the first negative plate of the first concrete test block second end face, hold the third electrolytic cell of the electrolyte containing chlorine, using the second concrete test block as bottom cover, it is placed in third electrolytic cell, hold the 4th electrolytic cell of alkaline electrolyte, it is connect with bipolar power supply module positive terminal, it is placed in the second positive plate of the second concrete test block first end face, it is connect with bipolar power supply module negative end, it is placed in the second negative plate of the second concrete test block second end face.The device can effectively simulate the transition process of the lower chlorion of stray electric field effect.
Description
Technical field
The utility model is related to reinforcement in concrete Corrosion monitoring fields, are moved more particularly to a kind of Chloride Ion in Concrete
Move the device of characteristic test.
Background technology
Reinforced concrete structure material is widely used in the building fields such as subway, high ferro, bridge, wherein concrete is one
Kind strong basicity construction material, the concrete of rebar surface generates one layer of fine and close passivating film under strong basicity environment, makes at reinforcing bar
In passive state, to from corrosion.
However, the chlorion in environment can be transferred in concrete in a variety of forms, and after reaching rebar surface constantly
Accumulation, after chlorine ion concentration is more than certain critical value, passivating film is destroyed, and is drawn so as to cause reinforcement corrosion, such as concentration difference
Convection action etc. caused by the diffusion that rises, migration caused by potential difference, solution exchange can cause chlorion mixed
Transmission in solidifying soil, especially under the action of stray electric field, chlorion transmits the destruction for causing concrete structure in concrete,
Seriously affect the security performance of building.
Utility model content
Based on this, it is necessary under the action of stray electric field chlorion transmitted in concrete and cause concrete structure
Destruction the problem of, a kind of device of Chloride Ion in Concrete migration characteristic test is provided.
A kind of device of Chloride Ion in Concrete migration characteristic test, including：
Bipolar power supply module for providing stray electrical current；
Hold the first electrolytic cell of alkaline electrolyte；
Using the first concrete test block as bottom cover and it is positioned over the second electrolytic cell of first electrolytic cell, second electricity
Xie Chi is contained with electrolyte containing chlorine；
The first end face of first concrete test block is connect and is positioned over the positive terminal of the bipolar power supply module
The first positive plate, the first end face of first concrete test block is the end face inside second electrolytic cell；
The second end face of first concrete test block is connect and is positioned over the negative pole end of the bipolar power supply module
The first negative plate, the second end face of first concrete test block is positioned at the end face of second electrolytic cell outer surface；
Hold the third electrolytic cell of the electrolyte containing chlorine；
Using the second concrete test block as bottom cover and it is positioned over the 4th electrolytic cell of the third electrolytic cell, the 4th electricity
Xie Chi is contained with alkaline electrolyte；
The first end face of second concrete test block is connect and is positioned over the positive terminal of the bipolar power supply module
The second positive plate, the first end face of second concrete test block is the end face inside the 4th electrolytic cell；
The second end face of second concrete test block is connect and is positioned over the negative pole end of the bipolar power supply module
The second negative plate, the second end face of second concrete test block is positioned at the end face of the 4th electrolytic cell outer surface.
The bipolar power supply module includes in one of the embodiments,：For generating stray electrical current analog signal
Signal generator and the power supply output module being connect with the signal generator, the positive terminal connection of the power supply output module
First positive plate and the second positive plate, the negative pole end of the power supply output module connect first negative plate and second negative
Pole plate.
Further include in one of the embodiments,：The bipolar power supply module is set to first negative plate to connect
The first galvanometer on link, and be set in the bipolar power supply module and the second negative plate connection line
Second galvanometer.
Further include in one of the embodiments,：It is set to the second end face and described of first concrete test block
First exhaust support element between one negative plate, and it is set to the second end face and described second of second concrete test block
Second exhaust support element between negative plate.
Further include in one of the embodiments,：It is positioned over first electrolytic cell, is used to support first negative plate
With the first bearing of second electrolytic cell, and be positioned over the third electrolytic cell, be used to support second negative plate and
Second bearing of the 4th electrolytic cell.
The supporting surface of first bearing and the angle of the bottom surface of first electrolytic cell are in one of the embodiments,
30 °, the supporting surface of second bearing and the angle of the bottom surface of the third electrolytic cell are 30 °.
Further include in one of the embodiments,：One end connects the negative pole end of the bipolar power supply module, the other end connects
Connect the switching device of first negative plate and second negative plate.
Further include in one of the embodiments,：For the first concrete test block lock ring to be electrolysed in described second
First fastening piece of the bottom end in pond, and for by the second concrete test block lock ring in the bottom end of the 4th electrolytic cell
Second fastening piece.
Second electrolytic cell and the 4th electrolytic cell are hollow cylinder in one of the embodiments, internal diameter
It is 100mm, is highly 200mm, thickness is 10mm.
First concrete test block and second concrete test block are diameter in one of the embodiments,
The cylindrical concrete test block of 100mm, height 50mm.
The devices and methods therefor of above-mentioned Chloride Ion in Concrete migration characteristic test, can effectively simulate and make in stray electric field
Under, transition process of the chlorion in concrete obtains really and accurately chloride ion transport characteristic, also, the test device
It is simple in structure, at low cost, it is applied widely.
Description of the drawings
Fig. 1 is the structural schematic diagram for the device that Chloride Ion in Concrete migration characteristic is tested in an embodiment；
Fig. 2 is the structural schematic diagram of concrete test block in the test of Chloride Ion in Concrete migration characteristic in an embodiment.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making new to this practicality
The disclosure of type understands more thorough and comprehensive.
In one embodiment, a kind of device of Chloride Ion in Concrete migration characteristic test is provided, the device is for over the ground
Reinforced concrete structures along the electric railways such as iron, high ferro are detected, especially to being acted on by stray electrical current when chlorine from
Migration characteristic of the son in concrete is detected.Wherein, stray electrical current refers to the electricity flowed other than design or regulation circuit
Stream.
As shown in Figure 1, the device includes：Bipolar power supply module 101, the first electrolytic cell 102, the second electrolytic cell 103,
One positive plate 104, the first negative plate 105, third electrolytic cell 106, the 4th electrolytic cell 107, the second positive plate 108 and the second cathode
Plate 109.
Specifically, bipolar power supply module 101 is used to provide stray electrical current for the test of Chloride Ion in Concrete migration characteristic,
To test the chloride ion transport characteristic under stray electrical current driving.Stray electrical current electric field is not a stable DC field,
Nor AC field, but the ambipolar electric field of low frequency between direct current and exchange, utilize bipolar power supply module
Generated stray electrical current in 101 simulation practical application scenes, it is ensured that generated stray electrical current meets in practical application scene
Stray electrical current characteristic.
For holding alkaline electrolyte, which is applying first electrolytic cell 102 as the first electrolyte liquid
Play the role of transmitting ion when voltage.Specifically, the alkaline electrolyte ingredient that the first electrolytic cell 102 is held is concentration
The NaOH solution of 0.3mol/L, solvent are distilled water or deionized water.
Further, the material of the first electrolytic cell 102 can be rubber, and shape can be hollow square, cylinder
Or other shapes, concrete shape and size can be configured according to testing requirement, as long as meeting in the first electrolytic cell 102 can accommodate
Second electrolytic cell 103.
The second electrolytic cell 103 is placed in the first electrolytic cell 102, the second electrolytic cell 103 is with the first concrete test block 200
For bottom cover, that is to say, that using the first concrete test block 200 as the base material of the second electrolytic cell 103, the second electrolytic cell 103
In be contained with electrolyte containing chlorine, as the first anode electrolyte, under the stray electrical current effect of application, the chlorine in electrolyte containing chlorine
Ion can move between a positive electrode and a negative electrode.Specifically, the electrolyte containing chlorine that the second electrolytic cell 103 is held is a concentration of 10%
NaCl solution.
Further, the material of the second electrolytic cell 103 can be rubber, and shape can be hollow square, cylinder
Or other shapes, concrete shape and size can be configured according to testing requirement, specifically, when the second electrolytic cell 103 is hollow
Cylinder when, its internal diameter can be set and be 100mm, thickness 10mm, be highly 200mm.In addition, the first concrete test block 200
Shape and size can be configured based on the shape and size of the second electrolytic cell 103, for example, the first concrete test block 200 is
A diameter of 100mm is highly the cylinder of 50mm, to match above-mentioned internal diameter as the second electrolytic cell 103 of 100mm.Wherein, first
The height of concrete test block 200 can also be set according to the liquid level of electrolyte height in the second electrolytic cell 103, will as long as meeting
First concrete test block 200 is soaked in the electrolyte in the second electrolytic cell 103.
Further, as shown in Figure 1, further include for by 200 lock ring of the first concrete test block in the second electrolytic cell 103
First fastening piece 117 of bottom end, the material of the first fastening piece 117 concretely stainless steel material.
First positive plate 104 is connect with the positive terminal of bipolar power supply module 101, and is positioned over the first concrete test block
200 first end face, for simulating electric railway structure, specifically, the first end face of the first concrete test block 200 be positioned at
End face inside second electrolytic cell.First negative plate 105 is connect with the negative pole end of bipolar power supply module 101, and is positioned over
The second end face of one concrete test block 200, for simulating the earth, specifically, the second end face of the first concrete test block 200 is position
End face in the second electrolytic cell outer surface.
It will be seen from figure 1 that the first positive plate 104 is soaked in the electrolyte containing chlorine in the second electrolytic cell 103, first is negative
Pole plate 105 is soaked in the alkaline electrolyte in the first electrolytic cell 102, and between the first positive plate 104 and the first negative plate 105
It is provided with the first concrete test block 200, when applying stray electrical current, can be used for simulating and test in forward current and/or reversed
Under the function of current, migration characteristic of the chlorion in concrete.Chlorion movement is embodied in into the first concrete test block
200 or the first concrete test block 200 of being ejected out.It is carried out by the first concrete test block 200 after acting on stray electrical current
Analysis, to obtain in the case where positive stray electrical current acts on, migration characteristic of the chlorion in concrete.
With continued reference to Fig. 1, the device of Chloride Ion in Concrete migration characteristic test further includes third electrolytic cell 106 and puts
It is placed in the 4th electrolytic cell 107 of third electrolytic cell 106.
Specifically, third electrolytic cell 106 is contained with electrolyte containing chlorine, as the second electrolyte liquid, when applying voltage
Play the role of transmitting ion, under the stray electrical current of application, the chlorion in electrolyte containing chlorine can be in anode and cathode
Between move.Specifically, the NaCl solution that the electrolyte containing chlorine that third electrolytic cell 106 is held is a concentration of 10%.
Further, the material of third electrolytic cell 106 can be rubber, and shape can be hollow square, cylinder
Or other shapes, concrete shape and size can be configured according to testing requirement, as long as meeting in third electrolytic cell 106 can accommodate
4th electrolytic cell 107.
4th electrolytic cell 107 is with the second concrete test block 300 for bottom cover, that is to say, that is made with the second concrete test block 300
For the base material of the 4th electrolytic cell 107, it is contained with containing alkaline electrolyte in the 4th electrolytic cell 107, as the second anolyte
Liquid plays the role of transmitting ion when applying voltage under the stray electrical current effect of application.Specifically, the 4th electrolytic cell 107
The alkaline electrolyte ingredient held is the NaOH solution of concentration 0.3mol/L, and solvent is distilled water or deionized water.
Further, the material of the 4th electrolytic cell 107 can be rubber, and shape can be hollow square, cylinder
Or other shapes, concrete shape and size can be configured according to testing requirement, specifically, when the 4th electrolytic cell 107 is hollow
Cylinder when, its internal diameter can be set and be 100mm, thickness 10mm, be highly 200mm.In addition, the second concrete test block 300
Shape and size can be configured based on the shape and size of the 4th electrolytic cell 107, for example, the second concrete test block 300 is
A diameter of 100mm is highly the cylinder of 50mm, to match above-mentioned internal diameter as the 4th electrolytic cell 107 of 100mm.Wherein, second
The height of concrete test block 300 can also be set according to the liquid level of electrolyte height in the 4th electrolytic cell 107, will as long as meeting
Second concrete test block 300 is soaked in the electrolyte in the 4th electrolytic cell 107.
Further, as shown in Figure 1, further include for by 300 lock ring of the second concrete test block in the 4th electrolytic cell 107
Second fastening piece 118 of bottom end, the material of the second fastening piece 118 concretely stainless steel material.
Second positive plate 108 is connect with the positive terminal of bipolar power supply module 101, and is positioned over the second concrete examination 300
First end face, for simulating electric railway structure, specifically, the first end face of the second concrete test block 300 is positioned at the
End face inside four electrolytic cells.Second negative plate 109 is connect with the negative pole end of bipolar power supply module 101, and is positioned over second
The second end face of concrete examination 300, for simulating the earth, specifically, the second end face of the second concrete test block 300 is positioned at the
The end face of four electrolytic cell outer surfaces.
It will be seen from figure 1 that the second positive plate 108 is soaked in the alkaline electrolyte in the 4th electrolytic cell 107, second is negative
Pole plate 109 is soaked in the electrolyte containing chlorine in third electrolytic cell 106, and between the second positive plate 108 and the second negative plate 109
It is provided with the second concrete test block 300, when applying stray electrical current, can be used for simulating and test in reverse current and/or forward direction
Under the function of current, migration characteristic of the chlorion in concrete.Chlorion movement is embodied in into the second concrete test block
300 or the second concrete test block 300 of being ejected out.It is carried out by the second concrete test block 300 after acting on stray electrical current
Analysis, to obtain in the case where reversed stray electrical current acts on, migration characteristic of the chlorion in concrete.
Specifically, the device tested by above-mentioned Chloride Ion in Concrete migration characteristic, when stray electrical current effect is default
Between after, the first concrete test block 200 and the second concrete test block 300 are taken out, as shown in Fig. 2, respectively along the first concrete test block
The center vertical plane of 200 first end face and the first end face of the second concrete test block 300 is splitted, and is sprayed to obtained section
Application of silver nitrate solution obtains the chloride ion transport forward line for being shown in section.It is after obtaining chloride ion transport forward line, each section is equal
It is divided into default equal portions, measures each section and divide equally the numerical value for locating chloride ion transport forward line, divided equally according to each section and locate chloride ion transport
The numerical value of forward line obtains chloride ion transport characteristic.
The device tested by above-mentioned Chloride Ion in Concrete migration characteristic can be simulated effectively under stray electric field effect,
Transition process when chlorion is influenced by forward current and reverse current respectively, in concrete, to obtain really and accurately
Chloride ion transport characteristic, also, the test device is simple in structure, at low cost, and it is applied widely.
Further, with continued reference to Fig. 1, bipolar power supply module 101 includes：For generating stray electrical current analog signal
Signal generator 1011 and the power supply output module 1012 being connect with signal generator 1011, power supply output module 1012 is just
The negative pole end of the first positive plate 104 of extreme connection and the second positive plate 108, power supply output module 1012 connects the first negative plate
105 and second negative plate 109.Specifically, signal generator 1011 passes through BNC (Bayonet Nut with power supply output module 1012
Connector, bayonet nut connector) cable connection, power supply output module 1012 by conducting wire be separately connected first anode
Plate 104, the second positive plate 108, the first negative plate 105 and the second negative plate 109.
The stray electrical current analog signal that signal generator 1011 generates is used to simulate the spuious of electric railway structure leakage
Electric current.Specifically, the time-histories that the voltage difference between electric railway structure and the earth is used as stray electrical current is measured by voltammetry
Data are input in signal generator 1011, generate stray electrical current analog signal using signal generator 1011, and pass through power supply
Output module 1012 export so that between the first positive plate 104 and the first negative plate 105, the second positive plate 108 and second it is negative
Stray electric field is generated between pole plate 109.
It is used as the input of signal generator 1011 by the voltage difference between the electric railway structure that will be measured and the earth
Data source improves the accuracy of test so that test environment meets actual scene.
Further, further include：Be set in 105 connection line of bipolar power supply module 101 and the first negative plate
One galvanometer 110, and the second galvanometer for being set in 109 connection line of bipolar power supply module 101 and the second negative plate
111。
When can measure forward current, reverse current effect using the first galvanometer 110 and the second galvanometer 111, by mixed
The real-time current value of solidifying soil test block, and electricity is calculated according to current value, and then ion diffusing capacity is calculated using electricity, it is based on ion
Diffusing capacity come analyze forward current, reverse current effect under chlorion migration characteristic.
With continued reference to Fig. 1, which further includes：It is set to the second end face and first of the first concrete test block 200
First exhaust support element 112 between negative plate 105, and it is set to the second end face and second of the second concrete test block 300
Second exhaust support element 113 between negative plate 109.
Specifically, multiple first can be arranged between the second end face of the first concrete test block 200 and the first negative plate 105
It is vented support element 112, can be arranged multiple second between the second end face and the second negative plate 109 of the second concrete test block 300
It is vented support element 113, an exhaust space is formed between concrete test block and negative plate using exhaust support element, in order to arrange
Go out the bubble generated in electrolytic process, avoid the influence to the device electric conductivity, to improve chloride ion transport characteristic test
Accuracy.
Further, further include：It is positioned over the first electrolytic cell 102, is used to support the first negative plate 105 and the second electrolytic cell
103 the first bearing 114, and be positioned over third electrolytic cell 106, be used to support the second negative plate 109 and the 4th electrolytic cell 107
The second bearing 115.First bearing 114 and the second bearing 115 can be specifically both designed as to the bearing of adjustable angle, make first
Supporting surface and the third electrolytic cell 106 of the supporting surface of seat 114 and the angle of the bottom surface of the first electrolytic cell 102, the second bearing 115
The angle of bottom surface is adjusted according to actual demand, to obtain preferable electrolytic effect.
In one embodiment, the angle of the bottom surface of the supporting surface of the first bearing 114 and the first electrolytic cell 102 is 30 °,
The supporting surface of second bearing 115 and the angle of the bottom surface of third electrolytic cell 106 are 30 °, and under the angle, electrolysis bubble can be suitable
Profit discharge, the influence for avoiding electrolysis bubble from moving chloride ion transport.
In one embodiment, with continued reference to Fig. 1, the device of Chloride Ion in Concrete migration characteristic test further includes：One end
Connect the negative pole end of bipolar power supply module, the switching device 116 of the other end connection the first negative plate and the second negative plate.It utilizes
Switching device 116 can control the break-make of stray electrical current, the switching device with timing function specifically can be used, according to testing requirement
The closure duration that switching device is arranged automatically powers off after reaching the energization period of testing requirement.
In another embodiment, switching device can be also set in bipolar power supply module 101, passes through switching device control
Bipolar power supply module 101 processed works.
The device of above-mentioned Chloride Ion in Concrete migration characteristic test can be simulated effectively under stray electric field effect, chlorion
Transition process in concrete obtains migration characteristic of the chlorion respectively under the influence of forward current and reverse current, to
Comprehensive and accurate chloride ion transport characteristic is obtained, also, the test device is simple in structure, at low cost, it is applied widely.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of device of Chloride Ion in Concrete migration characteristic test, which is characterized in that including：
Bipolar power supply module for providing stray electrical current；
Hold the first electrolytic cell of alkaline electrolyte；
Using the first concrete test block as bottom cover and it is positioned over the second electrolytic cell of first electrolytic cell, second electrolytic cell
It is contained with electrolyte containing chlorine；
The of the first end face of first concrete test block is connect and is positioned over the positive terminal of the bipolar power supply module
One positive plate, the first end face of first concrete test block are the end face inside second electrolytic cell；
The of the second end face of first concrete test block is connect and is positioned over the negative pole end of the bipolar power supply module
The second end face of one negative plate, first concrete test block is positioned at the end face of second electrolytic cell outer surface；
Hold the third electrolytic cell of the electrolyte containing chlorine；
Using the second concrete test block as bottom cover and it is positioned over the 4th electrolytic cell of the third electrolytic cell, the 4th electrolytic cell
It is contained with alkaline electrolyte；
The of the first end face of second concrete test block is connect and is positioned over the positive terminal of the bipolar power supply module
Two positive plates, the first end face of second concrete test block are the end face inside the 4th electrolytic cell；
The of the second end face of second concrete test block is connect and is positioned over the negative pole end of the bipolar power supply module
The second end face of two negative plates, second concrete test block is positioned at the end face of the 4th electrolytic cell outer surface.
2. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that described bipolar
Property power module includes：It signal generator for generating stray electrical current analog signal and is connect with the signal generator
The positive terminal of power supply output module, the power supply output module connects first positive plate and the second positive plate, the power supply
The negative pole end of output module connects first negative plate and the second negative plate.
3. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that further include：
It is set to the bipolar power supply module and the first galvanometer in the first negative plate connection line, and is set to described
Bipolar power supply module and the second galvanometer in the second negative plate connection line.
4. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that further include：
The first exhaust support element being set between the second end face of first concrete test block and first negative plate, Yi Jishe
The second exhaust support element being placed between the second end face of second concrete test block and second negative plate.
5. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that further include：
The first bearing for being positioned over first electrolytic cell, being used to support first negative plate and second electrolytic cell, Yi Jifang
The second bearing for being placed in the third electrolytic cell, being used to support second negative plate and the 4th electrolytic cell.
6. the device of Chloride Ion in Concrete migration characteristic test according to claim 5, which is characterized in that described first
The supporting surface of bearing and the angle of the bottom surface of first electrolytic cell are 30 °, supporting surface and the third of second bearing
The angle of the bottom surface of electrolytic cell is 30 °.
7. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that further include：
Negative pole end, the other end that one end connects the bipolar power supply module connect first negative plate and second negative plate
Switching device.
8. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that further include：
For by the first concrete test block lock ring in the first fastening piece of the bottom end of second electrolytic cell, and for will be described
Second concrete test block lock ring is in the second fastening piece of the bottom end of the 4th electrolytic cell.
9. the device of Chloride Ion in Concrete migration characteristic test according to claim 1, which is characterized in that described second
Electrolytic cell and the 4th electrolytic cell are hollow cylinder, and internal diameter is 100mm, is highly 200mm, and thickness is
10mm。
10. the device of Chloride Ion in Concrete migration characteristic according to claim 9 test, which is characterized in that described the
One concrete test block and second concrete test block are the cylindrical concrete test block of diameter 100mm, height 50mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721812624.9U CN207832733U (en) | 2017-12-22 | 2017-12-22 | The device of Chloride Ion in Concrete migration characteristic test |
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| CN201721812624.9U CN207832733U (en) | 2017-12-22 | 2017-12-22 | The device of Chloride Ion in Concrete migration characteristic test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959697A (en) * | 2017-12-22 | 2019-07-02 | 深圳信息职业技术学院 | The devices and methods therefor of Chloride Ion in Concrete migration characteristic test |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959697A (en) * | 2017-12-22 | 2019-07-02 | 深圳信息职业技术学院 | The devices and methods therefor of Chloride Ion in Concrete migration characteristic test |
| CN109959697B (en) * | 2017-12-22 | 2024-04-05 | 深圳信息职业技术学院 | Device and method for testing migration characteristics of chloride ions in concrete |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |