CN207528605U - Concrete chloride ion permeability resistance measuring device - Google Patents
Concrete chloride ion permeability resistance measuring device Download PDFInfo
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- CN207528605U CN207528605U CN201721733447.5U CN201721733447U CN207528605U CN 207528605 U CN207528605 U CN 207528605U CN 201721733447 U CN201721733447 U CN 201721733447U CN 207528605 U CN207528605 U CN 207528605U
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- concrete
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title abstract description 6
- 230000010220 ion permeability Effects 0.000 title abstract 3
- 238000012360 testing method Methods 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 44
- 229910052802 copper Inorganic materials 0.000 claims description 44
- 239000010949 copper Substances 0.000 claims description 44
- 230000033228 biological regulation Effects 0.000 claims description 14
- 230000035515 penetration Effects 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 17
- 230000035699 permeability Effects 0.000 abstract description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 12
- 239000007864 aqueous solution Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000011780 sodium chloride Substances 0.000 abstract description 6
- 238000011156 evaluation Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 3
- 230000010287 polarization Effects 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 150000002500 ions Chemical class 0.000 description 11
- 239000004575 stone Substances 0.000 description 8
- 239000002585 base Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model belongs to the technical field of civil engineering material performance test equipment, a concrete chloride ion permeability resistance measuring device is related to, the major structure includes alternating current signal generator, the wire, the test slot, the display, circuit balance controller and quick-witted case, use 2 organic glass material's test slot clamp dress concrete sample, and inject the NaCl aqueous solution in the liquid storage tank, adopt the alternating current measurement concrete sample's that voltage is 1 volt, the frequency is 1000 Hz resistance value, the alternating current can avoid polarization reaction and the too high influence to resistance value measurement accuracy of temperature rise, the resistance value of 3 concrete sample tests of the same group on average weighting, evaluate the resistance value of chloride ion permeability as 1 group of concrete sample, compare resistance value and the resistance value in the evaluation standard and evaluate the permeability; the portable test device is simple in structure, simple and convenient to manufacture and use, high in measuring speed, accurate in measuring result, light and easy to carry, and capable of testing multiple groups of test pieces simultaneously.
Description
Technical field：
The utility model belongs to civil engineering material performance test apparatus technical field, is related to a kind of agent on crack resistance of concrete chlorion
Permeability measurement apparatus, resistance of chloride ion penetration that is intuitive using alternating current and quickly measuring hardening cement base material.
Background technology：
Concrete structure member in architectural engineering is being subjected to freeze thawing, carbonization, acid and alkali corrosion in the life cycle of military service
Or under the influence of alkali-aggregate reaction, it can be destroyed safely using function and structure；Since the 1960s, concrete
Endurance issues increasingly paid attention to by experts and scholars, be one of the problem of current civil engineering field can not be ignored；By
For many years the study found that the various failure mechanisms for influencing concrete durability are all related with the permeability of concrete：A.M. Neville
It points out：" durable concrete in order to obtain, it is necessary to be correspondingly improved impermeability." this thought is able to body in many documents
Existing, the permeability of concrete is lower, and the ability for resisting water and corrosive medium intrusion is lower, so, permeability (or it is anti-
Oozing property) it is the important indicator for evaluating concrete durability；The permeability of concrete refers to gas, liquid or ion by pressure, change
The complexity that gesture or electric field action are permeated in concrete, spread or migrated.
In the prior art, the equipment for measuring ion penetration resistance of concrete is varied：Chinese patent
Concrete permeability measurement apparatus disclosed in 200410043839.X includes sample parts, water pipe, pressure regulator, motor, storage
Flow container, non-return valve, shaft coupling, measuring circuit, A/D circuits, computer, sample parts upper and lower ends respectively with two water pipes one
End connection, the other end tandem of two water pipes are simultaneously connected with the bottom of fluid reservoir, and the first half of fluid reservoir passes through non-return valve and pressure
The output terminal connection of draught control mechanism, left end, the right end of sample parts are connected respectively by conducting wire and two input terminals of measuring circuit,
The output terminal of measuring circuit is connect with the input terminal of A/D circuits, and the output terminal of A/D circuits and the data input pin of computer connect
It connects, the control terminal of the output terminal of computer and motor connects, the input that the output terminal of motor passes through shaft coupling and pressure regulator
End connection；A kind of concrete permeability testing device disclosed in Chinese patent 201020257433.2 includes earthwork triaxial apparatus, pressure
Power cavity volume, pressurization cap, permeable stone, upstream water pipe and downstream water pipe, pressure chamber is cylindrical, and concrete sample holds set on pressure
In the middle part of chamber, concrete sample outer sheath is equipped with rubber membrane, which is equipped with upper dankness stone, and sample lower end is equipped with down permeable
Stone, upper dankness stone and lower permeable stone are located in pressure chamber, and upper dankness stone upper end is equipped with pressure cap, pressurization cap upper end and geotechnique three
The compression bar of axis instrument is in contact, and upstream water pipe passes through pressurization cap to be contacted with upper dankness stone upper surface, and downstream water pipe front end is permeable under
Stone is in contact；A kind of concrete permeability tester disclosed in Chinese patent 200920278339.2 includes host and electronic control
Device, the host are made of tank, cabinet, pedestal, base ring, and tank is fixed in the top of cabinet, and pedestal is fixed in
The lower section of cabinet, base ring are fixed in the lower section of pedestal, base ring is provided centrally with big hole, and pedestal is provided centrally with taper
Chamber is filled, the bottom end aperture of the filling chamber is corresponding with the big hole at the base ring center to coincide, and the both sides for filling chamber are set respectively
There is left and right aqueduct, water inlet is provided at the top of the tank, the bottom of tank is provided with left and right osculum,
Gas-guide tube and left and right water inlet pipe are provided in cabinet, the import of gas-guide tube is interrupted with the syringe in case side wall and connected, air guide
The outlet of pipe is connected with the top aperture of filling chamber, the upper end of left and right water inlet pipe respectively with the left and right draining of tank bottom
Hole connects, and the lower end of left and right water inlet pipe connects respectively with filling the left and right aqueduct of chamber both sides, and No.1 is equipped on gas-guide tube
Solenoid valve and pressure sensor, pressure sensor are arranged on the pipeline of No.1 electromagnetic valve outlet side, are equipped on left water inlet pipe
Micro pump and No. two solenoid valves, No. two solenoid valves are arranged on the pipeline of micro pump outlet side, are equipped on right water inlet pipe
Compression pump and No. three, No. four solenoid valves, No. three, No. four solenoid valves be separately positioned on the entrance side of compression pump and the pipeline of outlet side
On, the pressure sensor, compression pump and No.1, No. two, No. three, No. four solenoid valves are all by conducting wire and case side wall
Junction block connects, and junction block is connect by cable with electronic controller；Constant pressure disclosed in Chinese patent 201310330466.3 is mixed
Solidifying soil permeability test device includes permeameter, and permeameter includes pressure water capacity cylinder and test specimen slot, pressure water capacity cylinder upper end closed
And equipped with pressure regulator valve and intake valve, intake valve simultaneously as inlet valve, pressure water capacity cylinder lower ending opening and with the inner cavity of test specimen slot
Airtight connection at upper end opening, test specimen slot inner cavity up/down perforation, the inner wall of test specimen slot are provided with dottle pin, test specimen to be measured be mounted on every
In pad, the side and upper and lower end face edge of test specimen to be measured are bonded with dottle pin, and test specimen slot compresses dottle pin and test specimen to be measured, test specimen slot
Lower section sets water container, and water container is placed on balance；A kind of easily-testing disclosed in Chinese patent 201621268865.7
The device of concrete permeability includes test chamber, and test chamber upper and lower part is respectively arranged with top plate and bottom plate；Top plate and bottom plate
Surrounding is respectively arranged with left shank of bolt and right shank of bolt；Test chamber side is provided with elastic tape；Bottom plate lower part is connected with stainless steel
Pipe；Bottom plate lower middle position is provided with lower part waterproof bolt；Top plate upper middle position is provided with top waterproof bolt；Left spiral shell
The upper and lower part of tightening latch and right shank of bolt is both provided with fixing nut；Test chamber centre position is provided with pipette；Pipette
It is set across top plate；A kind of concrete permeability testing device disclosed in Chinese patent 201710453080.X includes middle set, sets
The Shang Ligai at the top of the middle set and Xia Ligai for being arranged on middle set bottom is put, further includes upper bracket and lower bracket, the upper branch
The space for placing concrete sample is formed between frame and lower carriage, the upper gas of vertical lid is provided through on the upper bracket
Body interface forms upper plenum between upper bracket and concrete sample, the upper plenum is connected with upper gas interface, the lower carriage
On be provided through the lower gas interface of lower vertical lid, form lower cavity between lower carriage and concrete sample, the lower cavity with
Lower gas interface connection；More than patented product is not intuitive when measuring ion penetration resistance of concrete or there are measurement result,
There are measurement cost it is high or there are measurement process it is complicated or there are measurement result it is inaccurate the problems such as.Therefore, R ＆ D design
A kind of measurement process is simple, measuring speed is fast, measurement cost is low and the accurate ion penetration resistance of concrete of measurement result is surveyed
The effect of measuring device, being realized intuitively using alternating current with ion penetration resistance of concrete is quickly measured, has society and economy
Value.
Invention content：
The purpose of the utility model is to overcome shortcoming of the existing technology, a kind of measurement process of R ＆ D design is simple,
Measuring speed is fast, measurement cost is low and the accurate ion penetration resistance of concrete measuring device of measurement result, utilizes alternating current
Realize the effect of intuitively and quickly measuring ion penetration resistance of concrete.
To achieve these goals, the utility model is related to ion penetration resistance of concrete measuring device main body knot
Structure includes AC signal generator, conducting wire, test flume, display, circuit balancing controller and cabinet；Hollow type rectangular configuration
Cabinet is internally provided with AC signal generator, display and circuit balancing controller, the main body knot of circuit balancing controller
Structure includes measuring resistance, comparator and digital regulation resistance, after the series connection of 2 measuring resistances with digital regulation resistance and concrete sample group
Into series circuit it is in parallel, form electric bridge, comparator is connected to the centre of electric bridge, for the voltage on comparison bridge both sides, exchange
The positive and negative anodes of signal generator are electrically connected respectively by conducting wire with test flume, and concrete sample is placed between two test flumes, with
Display and circuit balancing controller are in series on the conducting wire of the cathode connection of AC signal generator；AC signal generator,
Conducting wire, test flume and display；The positive and negative anodes of AC signal generator are electrically connected respectively by conducting wire with test flume, concrete examination
Part is placed between two test flumes, wherein being in series with display on a conducting wire；The structure of test flume include groove body, bolt hole,
Test specimen slot, conducting copper mesh, No.1 screw hole, conductive copper sheet, No. two screw holes, mounting hole, liquid storage tank, gas vent, electrode export
Hole, liquid injection hole, No. three screw holes and No. four screw holes；The four corners of the groove body of rectangular block shape formula structure are provided through groove body
Cylindrical structure bolt hole, the center of groove body offers test specimen slot, circle is provided at the bottom plate rabbet of test specimen slot
The conducting copper mesh of mesh-like structure, the edge of conducting copper mesh have the No.1 screw hole of circular configuration, and conducting copper mesh passes through square
No. two screw holes opened up on the conductive copper sheet of shape laminated structure are connect with conductive copper sheet screw-type, and the other end of conductive copper sheet is opened
Mounting hole equipped with ellipsoidal structure, No.1 screw hole, No. two screw holes and fixed hole position on same axis, groove body it is interior
Portion is located at the liquid storage tank that cylindrical structure is offered below conducting copper mesh, and the side of liquid storage tank is disposed with through groove body
Gas vent, electrode leadout hole and the liquid injection hole of cylindrical structure, the side of liquid storage tank are further opened with No. three spiral shells of cylindrical structure
Nail hole, electrode leadout hole are located at the surface of No. three screw holes, and conducting copper mesh passes through the circle that is opened up on No.1 screw hole and groove body
No. four screw holes of column construction are connect with groove body screw-type, and one end of conductive copper sheet after the stretching of electrode leadout hole by passing through conduction
The electrode of mounting hole on copper sheet with screw is fixed in No. three screw holes as the incoming end of conducting wire.
The utility model clamps concrete sample compared with prior art, using the test flume of 2 pieces of organic glass materials, and
NaCl aqueous solutions are injected in liquid storage tank, use voltage as exchange electrical measurement concrete sample that 1 volt, frequency are 1000 hertz
Resistance value, alternating current can avoid polarization reaction and temperature rises the excessively high influence to resistance measurement precision, the same group 3 of weighted average
The resistance value of concrete sample test, as the resistance value of 1 group of concrete sample evaluation resistance of chloride ion penetration, by resistance value with
Resistance value in evaluation criteria is compared and evaluates permeability, with the resistance value and intermediate value of any of group concrete sample
When difference is more than the 15% of intermediate value, intermediate value is taken as measured value, in being more than such as the resistance value of 2 concrete samples and the difference of intermediate value
The 15% of value, this group of result of the test is invalid；Its is simple in structure, makes and use simplicity, and measuring speed is fast, and measurement result is accurate,
It is light portable, multigroup test specimen can be tested simultaneously.
Description of the drawings：
Fig. 1 is the agent structure principle schematic of the utility model.
Fig. 2 is the main body circuit connection diagram of the utility model.
Fig. 3 be the utility model is related to test flume principle schematic diagram.
Fig. 4 be the utility model is related to test flume side view structure principle schematic.
Fig. 5 be the utility model is related to test flume plan structure principle schematic.
Fig. 6 be the utility model is related to conducting copper mesh principle schematic diagram.
Fig. 7 be the utility model is related to conductive copper sheet principle schematic diagram.
Fig. 8 be the utility model is related to conducting copper mesh and conductive copper sheet connection relationship diagram.
Specific embodiment：
The utility model is described in further detail by way of example and in conjunction with the accompanying drawings.
Embodiment 1：
The agent structure of ion penetration resistance of concrete measuring device that the present embodiment is related to includes AC signal
Device 1, conducting wire 2, test flume 3, display 4, circuit balancing controller 5 and cabinet 6；The inside of the cabinet 6 of hollow type rectangular configuration
AC signal generator 1, display 4 and circuit balancing controller 5 are provided with, the agent structure of circuit balancing controller 5 includes
9,2 measuring resistance 7, comparator 8 and digital regulation resistance measuring resistances 7 connect after with digital regulation resistance 9 and concrete sample group
Into series circuit it is in parallel, form electric bridge, comparator 8 is connected to the centre of electric bridge, for the voltage on comparison bridge both sides, exchange
The positive and negative anodes of signal generator 1 are electrically connected respectively by conducting wire 2 with test flume 3, concrete sample be placed in two test flumes 3 it
Between, it is in series with display 4 and circuit balancing controller 5 on the conducting wire 2 that is connect with the cathode of AC signal generator 1；Test flume 3
Structure include groove body 10, bolt hole 11, test specimen slot 12, conducting copper mesh 13, No.1 screw hole 14,15, No. two spiral shells of conductive copper sheet
Nail hole 16, mounting hole 17, liquid storage tank 18, gas vent 19, electrode leadout hole 20,21, No. three screw holes 22 of liquid injection hole and No. four spiral shells
Nail hole 23；The four corners of the groove body 10 of rectangular block shape formula structure are provided through the bolt hole of the cylindrical structure of groove body 10
11, the center of groove body 10 offers test specimen slot 12, and round mesh-like structure is provided at the bottom plate rabbet of test specimen slot 12
Conducting copper mesh 13, the edge of conducting copper mesh 13 have the No.1 screw hole 14 of circular configuration, and conducting copper mesh 13 passes through rectangular sheet
No. two screw holes 16 opened up on the conductive copper sheet 15 of shape structure are connect with 15 screw-type of conductive copper sheet, conductive copper sheet 15 it is another
End offers the mounting hole 17 of ellipsoidal structure, and 14, No. two screw holes 16 of No.1 screw hole are located at same axis with mounting hole 17
On line, the lower section for being internally located at conducting copper mesh 13 of groove body 10 offers the liquid storage tank 18 of cylindrical structure, the side of liquid storage tank 18
Portion is disposed with gas vent 19, electrode leadout hole 20 and liquid injection hole 21 through the cylindrical structure of groove body 10, liquid storage tank 18
Side be further opened with No. three screw holes 22 of cylindrical structure, electrode leadout hole 20 is located at the surface of No. three screw holes 22,
Conducting copper mesh 13 passes through cylindrical structure No. four screw holes 23 being opened up on No.1 screw hole 14 and groove body 10 and 10 spiral shell of groove body
Nail type connects, and screw by the mounting hole 17 on conductive copper sheet 15 is used in one end of conductive copper sheet 15 after being stretched out by electrode leadout hole 20
It is fixed on the incoming end as conducting wire 2 in No. three screw holes 22.
The offer voltage of AC signal generator 1 that the present embodiment is related to is 1 volt, the alternating current that frequency is 1000 hertz, is surveyed
It is fast to try speed, polarization reaction and temperature can be avoided to rise the excessively high influence to measuring accuracy；The material of test flume 3 is organic glass；
Display 4 be digital display device, intuitive and convenient display resistance value result；Circuit balancing controller 5 is the control of two-conductor line point road
Device processed, for generating identical signal；Setting of the cabinet 6 as AC signal generator 1, display 4 and circuit balancing controller 5
Space AC signal generator 1, display 4 and circuit balancing controller 5 to be protected not to be polluted by external environment, extends
Its service life；Measuring resistance 7 provides working foundation for building electric bridge, for comparator 8, coordinates dynamic regulation resistance；Compare
For monitoring whether electric bridge balances, comparator 8 exports signal to digital regulation resistance 9, number after monitoring electric bridge imbalance device 8
9 adjust automatically resistance of potentiometer, by repeating monitoring and adjusting process, 9 dynamic regulation circuit of comparator 8 and digital regulation resistance,
Resistance value when bridge balance, bridge balance is shown on display 4；Digital regulation resistance 9 uses digital control scheme tune
It economizes on electricity resistance value, there is high using flexible, degree of regulation, contactless, low noise, be not easy to be stained, be anti-vibration, anti-interference, small
With the remarkable advantage of long lifespan；The length of side of test specimen slot 12 is more than the diameter of conducting copper mesh 13, and the diameter of conducting copper mesh 13 is more than storage
The diameter of liquid pool 18, test specimen slot 12；Discharge-channel of the gas vent 19 as the gas in liquid storage tank 18；In electrode leadout hole 20
One section of conductive copper sheet 15 is fixed using the electrode with screw；Liquid injection hole 21 injects the logical of liquid storage tank 18 for NaCl aqueous solutions
Road；No. three screw holes 22 are the female holes of band that depth is 1 ㎝, for being screwed into screw with the conductive copper sheet after fixed bend
15 one end.
The ion penetration resistance of concrete measuring device that the present embodiment is related to is in use, by setting multiple channels, energy
It is enough to test multigroup concrete sample simultaneously, the both ends of concrete sample are individually placed in the test specimen slot 12 of test flume 3, use spiral shell
Two test flumes 3 are fixed bar, and liquid injection hole 21 is placed 2 test flumes 3 upwards, is sent out AC signal using 2 conducting wires 2
Raw device 1 is electrically connected respectively with 2 test flumes 3, display 4 of connecting on a conducting wire 2 wherein, by liquid injection hole 21 respectively to 2
A 18 implantation quality percent concentration of liquid storage tank is 3% NaCl aqueous solutions, after NaCl aqueous solutions are full of liquid storage tank 18, connects electricity
Road, the alternating current that 1 output voltage of AC signal generator is 1 volt, frequency is 1000 hertz, measuring resistance 7, comparator 8, number
Potentiometer 9 and concrete sample by being electrically connected to form electric bridge, comparator 8 by comparing electric bridge both sides voltage and output voltage
To digital regulation resistance 9, digital regulation resistance 9 receives different resistance values and is adjusted so that bridge balance and putting down electric bridge signal
Resistance value during weighing apparatus is output to display 4, and the resistance value of concrete sample is read by display 4, obtains in a like fashion another
After the resistance value of outer 2 block concrete test specimen, weighted average is with the resistance value for organizing 3 concrete samples tests, as this group of coagulation
The resistance value of native test specimen evaluation resistance of chloride ion penetration, resistance value is compared and evaluated with the resistance value in evaluation criteria ooze
Permeability when being more than the 15% of intermediate value with the resistance value of any of group concrete sample and the difference of intermediate value, takes intermediate value to measure
Value, such as difference of the resistance value of 2 concrete samples and intermediate value are more than the 15% of intermediate value, this group of result of the test is invalid, are removed mixed
Solidifying soil test specimen, excludes NaCl aqueous solutions, after 3 60s of drinking water and detergent irrigation tests slot, with distilled water flushing test flume
3, and dried up test flume 3 with the hair dryer for being placed in cold wind shelves.
Claims (1)
1. a kind of ion penetration resistance of concrete measuring device, it is characterised in that agent structure include AC signal generator,
Conducting wire, test flume, display, circuit balancing controller and cabinet；The cabinet of hollow type rectangular configuration is internally provided with exchange
Signal generator, display and circuit balancing controller, the agent structure of circuit balancing controller include measuring resistance, comparator
And digital regulation resistance, it is in parallel with the series circuit that digital regulation resistance and concrete sample form after 2 measuring resistance series connection, it is formed
Electric bridge, comparator are connected to the centre of electric bridge, and for the voltage on comparison bridge both sides, the positive and negative anodes of AC signal generator are distinguished
It is electrically connected by conducting wire with test flume, concrete sample is placed between two test flumes, is connected with the cathode of AC signal generator
Display and circuit balancing controller are in series on the conducting wire connect；AC signal generator, conducting wire, test flume and display；It hands over
The positive and negative anodes of stream signal generator are electrically connected respectively by conducting wire with test flume, and concrete sample is placed between two test flumes,
Display is in series on a wherein conducting wire；The structure of test flume includes groove body, bolt hole, test specimen slot, conducting copper mesh, No.1 spiral shell
Nail hole, conductive copper sheet, No. two screw holes, mounting hole, liquid storage tank, gas vent, electrode leadout hole, liquid injection hole, No. three screw holes and
No. four screw holes；The four corners of the groove body of rectangular block shape formula structure are provided through the bolt hole of the cylindrical structure of groove body,
The center of groove body offers test specimen slot, and the conducting copper mesh of round mesh-like structure is provided at the bottom plate rabbet of test specimen slot,
The edge of conducting copper mesh has a No.1 screw hole of circular configuration, on the conductive copper sheet that conducting copper mesh passes through rectangular sheet structure
No. two screw holes opened up are connect with conductive copper sheet screw-type, and the other end of conductive copper sheet offers the fixation of ellipsoidal structure
Hole, No.1 screw hole, No. two screw holes and fixed hole position are on same axis, the lower section for being internally located at conducting copper mesh of groove body
Offer the liquid storage tank of cylindrical structure, the side of liquid storage tank be disposed with the cylindrical structure through groove body gas vent,
Electrode leadout hole and liquid injection hole, the side of liquid storage tank are further opened with No. three screw holes of cylindrical structure, and electrode leadout hole is located at
The surface of No. three screw holes, conducting copper mesh pass through cylindrical structure No. four screw holes being opened up on No.1 screw hole and groove body
Connect with groove body screw-type, one end of conductive copper sheet stretched out by electrode leadout hole after by the mounting hole on conductive copper sheet with carrying
The electrode of screw is fixed on the incoming end as conducting wire in No. three screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733447.5U CN207528605U (en) | 2017-12-13 | 2017-12-13 | Concrete chloride ion permeability resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733447.5U CN207528605U (en) | 2017-12-13 | 2017-12-13 | Concrete chloride ion permeability resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207528605U true CN207528605U (en) | 2018-06-22 |
Family
ID=62579101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721733447.5U Expired - Fee Related CN207528605U (en) | 2017-12-13 | 2017-12-13 | Concrete chloride ion permeability resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207528605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843539A (en) * | 2017-12-13 | 2018-03-27 | 青岛理工大学 | Method for measuring chloride ion permeability resistance of concrete |
| CN109655380A (en) * | 2018-12-20 | 2019-04-19 | 石家庄铁道大学 | The method of chloride ion diffusion coefficient in concrete is tested under bending load effect |
| CN110082278A (en) * | 2019-05-29 | 2019-08-02 | 青岛理工大学 | Method for measuring chloride ion permeability resistance of concrete |
-
2017
- 2017-12-13 CN CN201721733447.5U patent/CN207528605U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843539A (en) * | 2017-12-13 | 2018-03-27 | 青岛理工大学 | Method for measuring chloride ion permeability resistance of concrete |
| CN109655380A (en) * | 2018-12-20 | 2019-04-19 | 石家庄铁道大学 | The method of chloride ion diffusion coefficient in concrete is tested under bending load effect |
| CN110082278A (en) * | 2019-05-29 | 2019-08-02 | 青岛理工大学 | Method for measuring chloride ion permeability resistance of concrete |
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