CN108489851A - Conserving material water-releasing tester and test application method in concrete - Google Patents
Conserving material water-releasing tester and test application method in concrete Download PDFInfo
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- CN108489851A CN108489851A CN201810233351.5A CN201810233351A CN108489851A CN 108489851 A CN108489851 A CN 108489851A CN 201810233351 A CN201810233351 A CN 201810233351A CN 108489851 A CN108489851 A CN 108489851A
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- pallet
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- 238000012360 testing method Methods 0.000 title claims abstract description 498
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000009938 salting Methods 0.000 claims abstract description 43
- 238000005303 weighing Methods 0.000 claims abstract description 29
- 229920006395 saturated elastomer Polymers 0.000 claims description 21
- 239000012266 salt solution Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 4
- PWHCIQQGOQTFAE-UHFFFAOYSA-L barium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ba+2] PWHCIQQGOQTFAE-UHFFFAOYSA-L 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 241001269238 Data Species 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 229920000247 superabsorbent polymer Polymers 0.000 description 2
- GCKMFJBGXUYNAG-HLXURNFRSA-N Methyltestosterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@](C)(O)[C@@]1(C)CC2 GCKMFJBGXUYNAG-HLXURNFRSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229940085503 testred Drugs 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Conserving material water-releasing tester and test application method, tester include in a kind of concrete of present invention offer：It is equipped with cabinet door in the side of babinet；Through-hole is equipped at the top center of babinet；Salting liquid pallet is located on the bottom surface of box house；Weighing sensor is located on the top center outer surface of babinet；And it is linked together with weighing sensor across through-hole by connector positioned at the test test specimen of box house；The test test specimen is conserving material in concrete；For test specimen pallet for holding test test specimen, test specimen pallet is located at box house, and is arranged in the top of salting liquid pallet；Data collecting instrument is located at the outside of babinet, and links together with weighing sensor.The present invention can determine after test test specimen water suction weight, the weight at each moment and measure the weight after completing drying releases water speed to calculate test specimen, you can compares the quality of their water-releasing；The test application method simple operations are easy, easy to control, and popularization and application energetically can be obtained.
Description
Technical field
The invention belongs to inorganic non-metallic material technical field of measurement and test, and in particular to conserving material releases water in a kind of concrete
Ability meter and test application method.
Background technology
Maintenance technology is satisfied with porous material in concrete mixes concrete after water, and extra water is provided for hydrated cementitious, from
And the effect of the self-desiccation in high-strength (low water binder ratio) concrete is eliminated, the problem for inhibiting concrete early age shrinkage big, easy to crack.
Studies have shown that porous material absorbs water point has weight with the ratio of its surface area to its water speed of releasing in concrete
It influences.This ratio is bigger, and the speed that porous material releases water is slower, and interior maintenance efficiency is lower.But due to porous material table
The more difficult measurement of area, therefore be difficult directly to obtain this ratio by measuring.
Accordingly, it is desirable to provide a kind of improved technology scheme insufficient for the above-mentioned prior art.
Invention content
The present invention for overcome the deficiencies in the prior art, provides conserving material water-releasing tester in a kind of concrete
And test application method, tester of the invention are used to measure the water-releasing of conserving material in concrete, in more different
Conserving material water-releasing quality；The application method of tester is simple to operation in the present invention, easily tests out in concrete
The water-releasing of conserving material.
To achieve the goals above, the present invention provides the following technical solutions：
Conserving material water-releasing tester in a kind of concrete, the tester include：
Babinet is provided with cabinet door in the side of the babinet, makes the babinet by the closing of the cabinet door, opening
In closed state and breakdown state；It is provided with through-hole at the top center of the babinet；
Salting liquid pallet, the salting liquid pallet is arranged on the bottom surface of the box house, for holding salting liquid；
Weighing sensor, the weighing sensor are arranged on the top center outer surface of the babinet；And positioned at described
The test test specimen of box house is linked together across the through-hole with the weighing sensor by connector；The test test specimen
For conserving material in concrete；
Test specimen pallet, for holding the test test specimen, the test specimen pallet is located in the babinet test specimen pallet
Portion, and be arranged in the top of the salting liquid pallet, the test specimen pallet is connect by connector with the weighing sensor；
Data collecting instrument, the data collecting instrument is located at the outside of the babinet, and is connected to the weighing sensor
Together, the data transmitted for acquiring the weighing sensor.
Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the shape of the babinet is vertical
Cube structure.
Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the test test specimen is coagulation
The porous material of maintenance in soil；It is further preferred that the test test specimen be leca, haydites of book structure, flyash ceramic or
Super absorbent polymer material.
Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the salting liquid is K2SO4、
KNO3、BaCl2.2H2O, one or more in KCl, KBr, NaCl, KI and NaBr saturated salt solution.
Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the salting liquid pallet is by holding in the palm
It tries to get to the heart of a matter and is formed with side wall, be not easy to be spilled over to outside the salting liquid pallet convenient for holding solution in salting liquid pallet.
Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the babinet, the cabinet door
It is made of plastic or glass with the salting liquid pallet；Preferably, the connector is hook；More preferably, the hook is
Stainless steel is linked up with.
Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the test specimen pallet is by trying to get to the heart of a matter
It is formed with side wall；Preferably, the test specimen pallet is made of plastics；Preferably, the pallet is tried to get to the heart of a matter as the wide 0.10- in hole
The plastic mesh of 0.15mm.Conserving material water-releasing tester in a kind of concrete as described above, it is preferable that the biography of weighing
The precision of sensor is 0.001g or 0.0001g.
The test application method of conserving material water-releasing tester, the test make in a kind of concrete as described above
Included the following steps with method：
1) test test specimen processing：Test test specimen is completely soaked in water first, soaking time length is by specifically measuring
Purpose and requirement determine；It then takes out test test specimen to be dried surface moisture with the cotton wet towel wrung out, it is dry to obtain saturation plane
The test test specimen of state, it is spare；
2) tester preparation：Connector, test specimen pallet in tester babinet is respectively mounted and is finished；It is real according to test
The relationship for testing the salting liquid and humidity during purpose requires is prepared the saturated salt solution that test needs and is poured into salting liquid pallet, puts
In cartonning body, cabinet door is shut, data collecting instrument is opened and records data；Test specimen pallet when 24 hour data variations≤0.01g
Water absorbent surface reaches stable, and it is W to obtain test specimen pallet and hook total weight0；
3) test process：Tester cabinet door is opened, test specimen pallet is taken out, takes the appropriate saturated dry surface in step 1)
Test test specimen be put into test specimen pallet, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet, to protect
Card test test specimen particle does not stack；
The test specimen pallet for placing test test specimen is hung on hook, cabinet door 2 is shut, opening data collecting instrument can must survey
Determine initial time hook, test specimen pallet and the total weight W for testing test specimens0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation≤0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours or more at 105 DEG C,
Weighing obtains test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For test specimen pallet and hook total weight, Ws0It is hung to measure initial time
Hook, test specimen pallet and the total weight for testing test specimen, WsFor hook of each moment, test specimen pallet and the total weight for testing test specimen；Wsd
To test test specimen dry weight；
The relational graph of the ratio of residual moisture and time making the two in test specimen is tested according to each moment, and to the relationship
Figure carries out curve linear stage and returns, and obtains test test specimen and releases water speed under different humidity.
Compared with the immediate prior art, technical solution provided by the invention has following excellent effect：
Saturated salt solution is held in salting liquid pallet in tester provided by the invention, the humidity in entire babinet can be made to protect
It is fixed to keep steady；Measurement and the record for carrying out test specimen weight automatically using weighing sensor and data collecting instrument simultaneously, avoid manually surveying
Test test specimen is taken out into the problem of babinet causes box house humidity stability to decline during amount.Connector hook is using stainless
Steel prevents from linking up with corrosion at high humidity, to influence the accuracy of test data；Test specimen tray bottom uses sieve, avoids reality
Core material hinders the evaporation of moisture, improves measurement accuracy.Technical solution provided by the invention can determine test test specimen water suction
It weight, the weight at each moment and measures the weight after completing drying afterwards and releases water speed to calculate test specimen, using this hair
What the tester in bright can measure conserving material in difference releases water speed, you can compares the quality of their water-releasing.
Description of the drawings
Fig. 1 is the structural schematic diagram of conserving material water-releasing tester in concrete in the specific embodiment of the invention；
Fig. 2 is the remnants tested out using conserving material water-releasing tester in concrete in the specific embodiment of the invention
The schematic diagram that moisture changes over time；
In figure：1- babinets；2- cabinet doors；3- weighing sensors；4- is linked up with；5- test specimen pallets；6- salting liquid pallets；7- numbers
According to Acquisition Instrument.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
The every other embodiment that logical technical staff is obtained, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention can be combined with each other.
In the description of the present invention, the orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of the description present invention rather than requires the present invention must be with specific azimuth configuration and operation, therefore cannot understand
For limitation of the present invention.The term " connected " that is used in the present invention, " connection " shall be understood in a broad sense, for example, it may be fixed
Connection, may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for this field
Those of ordinary skill for, can understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, conserving material water-releasing tester in a kind of concrete of specific embodiments of the present invention offer, is surveyed
Trying instrument includes：
Babinet 1 is provided with cabinet door 2 in the side of babinet 1, makes babinet 1 in closure by the closing of cabinet door 2, opening
State and breakdown state；It is provided with through-hole at the top center of babinet 1；
Salting liquid pallet 6, salting liquid pallet 6 is arranged on the bottom surface inside babinet 1, for holding salting liquid；
Weighing sensor 3, weighing sensor 3 are arranged on the top center outer surface of babinet 1；And inside babinet 1
Test test specimen linked together with weighing sensor 3 across through-hole by connector；The test test specimen is maintenance in concrete
Material；
Test specimen pallet 5, for holding test test specimen, test specimen pallet 5 is located inside babinet 1 test specimen pallet 5, and is arranged in salt
The top of solution pallet 6, test specimen pallet 5 are connect by connector with weighing sensor 3；
Data collecting instrument 7, data collecting instrument 7 is located at the outside of the babinet 1, and links together with weighing sensor 3,
The data transmitted for acquiring weighing sensor 3.
It is further preferred that the shape of babinet 1 is cube structure.Cabinet door 2 is located at one of cube structure babinet 1
On side.
The porous material that test specimen is maintenance in concrete is tested, i.e. the tester can be tested in all concrete and be supported
The porous material of shield.
It is further preferred that test test specimen is leca, haydites of book structure, flyash ceramic or super absorbent polymer.
Salting liquid pallet 6 is made of tray bottom and side wall, is not easy to be spilled over to salt convenient for holding solution in salting liquid pallet 6
Outside solution pallet 6.Salting liquid is K2SO4、KNO3、BaCl2.2H2O, in KCl, KBr, NaCl, KI, NaBr saturated salt solution
One kind, equilibrium relative humidity (ERH) are respectively 97%, 93%, 90%, 85%, 81%, 75%, 70%, 59%；It can basis in test
Test objective and a kind of or several or all salting liquids is required to be tested.
Saturated salt solution is held in salting liquid pallet 6, the humidity in entire babinet 1 can be made to keep stablizing, used simultaneously
Weighing sensor 3 and the automatic measurement for carrying out test test specimen weight of data collecting instrument 7 and record, avoid manual measurement from the process
Test specimen, which takes out babinet 1, leads to the problem of humidity stability declines in case.
It is further preferred that babinet 1, cabinet door 2 and the salting liquid pallet 6 are made of plastic or glass.Preferably, even
Fitting is hook 4；More preferably, hook 4 links up with 4 for stainless steel, and the hook 4 for testing test specimen uses stainless steel, can prevent in height
4 corrosion of humidity lower draw-bar, to influence the accuracy of test data.
Test specimen pallet 5 is formed by trying to get to the heart of a matter with side wall.Preferably, test specimen pallet 5 is made of plastics；Preferably, the disk of pallet
Bottom is the plastic mesh of the wide 0.10-0.15mm in hole.Its quality meets national standard《Synthetic fibers sieve》(GB/T 14014-
2008) requirement.5 bottom of test specimen pallet uses sieve, and solid material is avoided to hinder the evaporation of moisture, improves measurement accuracy.It is excellent
Selection of land, in order to further increase the accuracy of measurement, the required precision of weighing sensor is 0.001g or 0.0001g.In addition, this
Invention also provides a kind of test application method of conserving material water-releasing tester in concrete, which includes
Following steps：
1) test test specimen processing：Test test specimen is completely soaked in water first, soaking time length is by specifically measuring
Purpose and requirement determine；It then takes out test test specimen to be dried surface moisture with the cotton wet towel wrung out, it is dry to obtain saturation plane
The test test specimen of state, it is spare；
2) tester preparation：Connector, test specimen pallet 5 in tester babinet 1 is respectively mounted and is finished；According to test
The relationship (correspondence of salting liquid and humidity) of salting liquid and humidity in experiment purpose requirement prepares the saturation that test needs
Salting liquid pours into salting liquid pallet 6, is put into babinet 1, shuts cabinet door 2, opens data collecting instrument 7 and records data；Wait for 24
5 water absorbent surface of test specimen pallet reaches stable when hour data variation≤0.01g, and it is W to obtain test specimen pallet 5 and 4 total weights of hook0；
3) test process：Tester cabinet door 2 is opened, test specimen pallet 5 is taken out, takes the dry shape of appropriate saturation plane in step 1)
The test test specimen of state is put into test specimen pallet 5, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet 5,
To ensure that test test specimen particle does not stack；
The test specimen pallet 5 for placing test test specimen is hung on hook 4, cabinet door 2 is shut, opening data collecting instrument 7 can
Initial time hook 4, test specimen pallet 5 and the total weight W for testing test specimen must be measureds0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation≤0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours or more at 105 DEG C,
Weighing obtains test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For 4 total weights of test specimen pallet 5 and hook, Ws0It is hung to measure initial time
Hook 4, test specimen pallet 5 and the total weight for testing test specimen, WsFor hook of each moment 4, test specimen pallet 5 and the gross weight for testing test specimen
Amount；WsdTo test test specimen dry weight；
The relational graph of the ratio of residual moisture and time making the two in test specimen is tested according to each moment, and to the relationship
Figure carries out curve linear stage and returns, and obtains test test specimen and releases water speed under different humidity.
Embodiment 1
Test leca is gone to release water speed using tester provided by the invention the present embodiment provides a kind of.The test
Application method includes the following steps：
1) test test specimen processing：Test test specimen (leca) is completely soaked in water for 24 hours first, then takes out test
Test specimen is dried surface moisture with the cotton wet towel wrung out, and obtains the test test specimen of saturated dry surface, spare；
2) tester preparation：Connector, test specimen pallet 5 in tester babinet 1 is installed as shown in Figure 1
Finish；Saturated salt solution is prepared according to selected humidity to pour into salting liquid pallet 6, is put into babinet 1, shuts cabinet door 2, is opened
Data collecting instrument 7 records data；5 water absorbent surface of test specimen pallet reaches stable when the variation of 24 hour datas is no more than 0.01g, obtains
Test specimen pallet 5 and 4 total weights of hook are W0；
3) test process：Tester cabinet door 2 is opened, test specimen pallet 5 is taken out, takes the dry shape of appropriate saturation plane in step 1)
The test test specimen of state is put into test specimen pallet 5, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet 5,
To ensure that test test specimen particle does not stack；
The test specimen pallet 5 for placing test test specimen is hung on hook 4, cabinet door 2 is shut, opening data collecting instrument 7 can
Initial time hook 4, test specimen pallet 5 and the total weight W for testing test specimen must be measureds0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation is less than 0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours at 105 DEG C, is weighed
To test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For 4 total weights of test specimen pallet 5 and hook, Ws0It is hung to measure initial time
Hook 4, test specimen pallet 5 and the total weight for testing test specimen, WsFor hook of each moment 4, test specimen pallet 5 and the gross weight for testing test specimen
Amount；WsdTo test test specimen dry weight.It the results are shown in Table 1.
According to each moment test test specimen in residual moisture ratio and the time make both relational graph as shown in Fig. 2,
And curve linear stage is carried out to the relational graph 2 and is returned, it obtains test test specimen and releases water speed under different humidity, be specifically shown in
Table 2.
Embodiment 2
The present embodiment provides a kind of releasing for the test broken obtained particle of clay brick is gone using tester provided by the invention
Water speed.The test application method includes the following steps：
1) test test specimen processing：Test test specimen (clay brick particle) is completely soaked the 10min in water first, is then taken out
Test test specimen is dried surface moisture with the cotton wet towel wrung out, and obtains the test test specimen of saturated dry surface, spare；
2) tester preparation：Connector, test specimen pallet 5 in tester babinet 1 is installed as shown in Figure 1
Finish；Saturated salt solution is prepared according to selected humidity to pour into salting liquid pallet 6, is put into babinet 1, shuts cabinet door 2, is opened
Data collecting instrument 7 records data；5 water absorbent surface of test specimen pallet reaches stable when the variation of 24 hour datas is no more than 0.01g, obtains
Test specimen pallet 5 and 4 total weights of hook are W0；
3) test process：Tester cabinet door 2 is opened, test specimen pallet 5 is taken out, takes the dry shape of appropriate saturation plane in step 1)
The test test specimen of state is put into test specimen pallet 5, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet 5,
To ensure that test test specimen particle does not stack；
The test specimen pallet 5 for placing test test specimen is hung on hook 4, cabinet door 2 is shut, opening data collecting instrument 7 can
Initial time hook 4, test specimen pallet 5 and the total weight W for testing test specimen must be measureds0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation is less than 0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours at 105 DEG C, is weighed
To test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For 4 total weights of test specimen pallet 5 and hook, Ws0It is hung to measure initial time
Hook 4, test specimen pallet 5 and the total weight for testing test specimen, WsFor hook of each moment 4, test specimen pallet 5 and the gross weight for testing test specimen
Amount；WsdTo test test specimen dry weight.It the results are shown in Table 1.
According to each moment test test specimen in residual moisture ratio and the time make both relational graph as shown in Fig. 2,
And curve linear stage is carried out to the relational graph 2 and is returned, it obtains test test specimen and releases water speed under different humidity, be specifically shown in
Table 2.
Embodiment 3
The present embodiment provides a kind of porous material made of test red mud firing is removed using tester provided by the invention
Release water speed.The test application method includes the following steps：
1) test test specimen processing：First will test test specimen (NWPA, normal weight porous aggregate, by
Porous material made of red mud is fired) it is completely soaked the 5min in water, then take out the test test specimen cotton wet towel wrung out
Surface moisture is dried, the test test specimen of saturated dry surface is obtained, it is spare；
2) tester preparation：Connector, test specimen pallet 5 in tester babinet 1 is installed as shown in Figure 1
Finish；Saturated salt solution is prepared according to selected humidity to pour into salting liquid pallet 6, is put into babinet 1, shuts cabinet door 2, is opened
Data collecting instrument 7 records data；5 water absorbent surface of test specimen pallet reaches stable when the variation of 24 hour datas is no more than 0.01g, obtains
Test specimen pallet 5 and 4 total weights of hook are W0；
3) test process：Tester cabinet door 2 is opened, test specimen pallet 5 is taken out, takes the dry shape of appropriate saturation plane in step 1)
The test test specimen of state is put into test specimen pallet 5, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet 5,
To ensure that test test specimen particle does not stack；
The test specimen pallet 5 for placing test test specimen is hung on hook 4, cabinet door 2 is shut, opening data collecting instrument 7 can
Initial time hook 4, test specimen pallet 5 and the total weight W for testing test specimen must be measureds0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation is less than 0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours at 105 DEG C, is weighed
To test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For 4 total weights of test specimen pallet 5 and hook, Ws0It is hung to measure initial time
Hook 4, test specimen pallet 5 and the total weight for testing test specimen, WsFor hook of each moment 4, test specimen pallet 5 and the gross weight for testing test specimen
Amount；WsdTo test test specimen dry weight.It the results are shown in Table 1.
According to each moment test test specimen in residual moisture ratio and the time make both relational graph as shown in Fig. 2,
And curve linear stage is carried out to the relational graph 2 and is returned, it obtains test test specimen and releases water speed under different humidity, be specifically shown in
Table 2.
Embodiment 4
Test haydites of book structure is gone to release water speed using tester provided by the invention the present embodiment provides a kind of.The test
Application method includes the following steps：
1) test test specimen processing：Test test specimen (haydites of book structure) is completely soaked in water for 24 hours first, then takes out test
Test specimen is dried surface moisture with the cotton wet towel wrung out, and obtains the test test specimen of saturated dry surface, spare；
2) tester preparation：Connector, test specimen pallet 5 in tester babinet 1 is installed as shown in Figure 1
Finish；Saturated salt solution is prepared according to selected humidity to pour into salting liquid pallet 6, is put into babinet 1, shuts cabinet door 2, is opened
Data collecting instrument 7 records data；5 water absorbent surface of test specimen pallet reaches stable when the variation of 24 hour datas is no more than 0.01g, obtains
Test specimen pallet 5 and 4 total weights of hook are W0；
3) test process：Tester cabinet door 2 is opened, test specimen pallet 5 is taken out, takes the dry shape of appropriate saturation plane in step 1)
The test test specimen of state is put into test specimen pallet 5, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet 5,
To ensure that test test specimen particle does not stack；
The test specimen pallet 5 for placing test test specimen is hung on hook 4, cabinet door 2 is shut, opening data collecting instrument 7 can
Initial time hook 4, test specimen pallet 5 and the total weight W for testing test specimen must be measureds0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation is less than 0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours at 105 DEG C, is weighed
To test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For 4 total weights of test specimen pallet 5 and hook, Ws0It is hung to measure initial time
Hook 4, test specimen pallet 5 and the total weight for testing test specimen, WsFor hook of each moment 4, test specimen pallet 5 and the gross weight for testing test specimen
Amount；WsdTo test test specimen dry weight.It the results are shown in Table 1.
According to each moment test test specimen in residual moisture ratio and the time make both relational graph as shown in Fig. 2,
And curve linear stage is carried out to the relational graph 2 and is returned, it obtains test test specimen and releases water speed under different humidity, be specifically shown in
Table 2.
Embodiment 5
Test coal slag granules are gone to release water speed using tester provided by the invention the present embodiment provides a kind of.The test
Application method includes the following steps：
1) test test specimen processing：Test test specimen (cinder) is completely soaked in water for 24 hours first, then takes out test test specimen
Surface moisture is dried with the cotton wet towel wrung out, obtains the test test specimen of saturated dry surface, it is spare；
2) tester preparation：Connector, test specimen pallet 5 in tester babinet 1 is installed as shown in Figure 1
Finish；Saturated salt solution is prepared according to selected humidity to pour into salting liquid pallet 6, is put into babinet 1, shuts cabinet door 2, is opened
Data collecting instrument 7 records data；5 water absorbent surface of test specimen pallet reaches stable when the variation of 24 hour datas is no more than 0.01g, obtains
Test specimen pallet 5 and 4 total weights of hook are W0；
3) test process：Tester cabinet door 2 is opened, test specimen pallet 5 is taken out, takes the dry shape of appropriate saturation plane in step 1)
The test test specimen of state is put into test specimen pallet 5, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet 5,
To ensure that test test specimen particle does not stack；
The test specimen pallet 5 for placing test test specimen is hung on hook 4, cabinet door 2 is shut, opening data collecting instrument 7 can
Initial time hook 4, test specimen pallet 5 and the total weight W for testing test specimen must be measureds0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation is less than 0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours at 105 DEG C, is weighed
To test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For 4 total weights of test specimen pallet 5 and hook, Ws0It is hung to measure initial time
Hook 4, test specimen pallet 5 and the total weight for testing test specimen, WsFor hook of each moment 4, test specimen pallet 5 and the gross weight for testing test specimen
Amount；WsdTo test test specimen dry weight.It the results are shown in Table 1.
According to each moment test test specimen in residual moisture ratio and the time make both relational graph as shown in Fig. 2,
And curve linear stage is carried out to the relational graph 2 and is returned, it obtains test test specimen and releases water speed under different humidity, be specifically shown in
Table 2.
Residual moisture ratio/% of the test specimen under different humidity is tested in 1 embodiment 1-6 of table
| Relative temperature/% | 97% | 93% | 90% | 85% | 81% | 75% | 70% | 59% |
| Leca | 1.4 | 1.4 | 1.2 | 0.9 | 0.7 | 0.4 | 0.6 | 0.4 |
| Clay brick particle | 9.73 | 7.07 | 5.32 | 4.38 | 4.56 | 4.89 | 4.23 | 3.65 |
| NWPA | 4.49 | 3.73 | 3.6 | 3.11 | 3.46 | 3.41 | 2.35 | 0.88 |
| Haydites of book structure | 7.98 | 6.19 | 5.18 | 5.63 | 4.84 | 5.53 | 4.92 | 3.68 |
| Cinder | 7.05 | 4.56 | 4.41 | 4.18 | 4.34 | 4.5 | 3.56 | 1.94 |
Test specimen is tested in 2 embodiment 1-6 of table releases water speed/%/h under different humidity
| Relative temperature/% | 97% | 93% | 90% | 85% | 81% | 75% | 70% | 59% |
| Leca | 0.45 | 0.96 | 1.59 | 2.80 | 3.12 | 5.47 | 6.49 | 10.44 |
| Clay brick particle | 0.52 | 1.31 | 2.15 | 2.98 | 3.95 | 5.60 | 8.31 | 10.92 |
| NWPA | 0.34 | 0.86 | 1.12 | 1.79 | 2.24 | 2.79 | 3.46 | 6.46 |
| Haydites of book structure | 4.80 | 6.34 | 6.56 | 10.27 | 12.43 | 14.78 | 21.16 | 34.53 |
| Cinder | 4.07 | 5.44 | 6.20 | 9.11 | 13.11 | 15.37 | 17.72 | 28.40 |
In conclusion technical scheme of the present invention also has following advantageous effects：
Saturated salt solution is held in salting liquid pallet 6 in tester provided by the invention, the humidity in entire babinet 1 can be made
It keeps stablizing；Measurement and the record for carrying out test specimen weight automatically using weighing sensor 3 and data collecting instrument 7 simultaneously, avoid people
Test test specimen is taken out into the problem of babinet 1 causes 1 interior humidity stability of babinet to decline in work measurement process.Connector hook 4
It using stainless steel, prevents from linking up with 4 corrosions at high humidity, to influence the accuracy of test data；5 bottom of test specimen pallet is using sieve
Net avoids solid material from hindering the evaporation of moisture, improves measurement accuracy.Technical solution provided by the invention can determine test
It weight, the weight at each moment and measures the weight after completing drying after test specimen water suction and releases water speed to calculate test specimen,
Water speed is released using what the tester in the present invention can measure conserving material in difference, you can compares the good of their water-releasing
It is bad.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and principle within, any modification, equivalent replacement, improvement and so on, accompanying claims protection domain of the present invention it
It is interior.
Claims (9)
1. conserving material water-releasing tester in a kind of concrete, which is characterized in that the tester includes：
Babinet is provided with cabinet door in the side of the babinet, makes the babinet be in close by the closing of the cabinet door, opening
Conjunction state and breakdown state；It is provided with through-hole at the top center of the babinet；
Salting liquid pallet, the salting liquid pallet is arranged on the bottom surface of the box house, for holding salting liquid；
Weighing sensor, the weighing sensor are arranged on the top center outer surface of the babinet；And it is located at the babinet
Internal test test specimen is linked together across the through-hole with the weighing sensor by connector；The test test specimen is mixed
Conserving material in solidifying soil；
Test specimen pallet, for the test specimen pallet for holding the test test specimen, the test specimen pallet is located at the box house, and
It is arranged in the top of the salting liquid pallet, the test specimen pallet is connect by connector with the weighing sensor；
Data collecting instrument, the data collecting instrument is located at the outside of the babinet, and links together with the weighing sensor,
The data transmitted for acquiring the weighing sensor.
2. conserving material water-releasing tester in a kind of concrete as described in claim 1, which is characterized in that the babinet
Shape be cube structure.
3. conserving material water-releasing tester in a kind of concrete as described in claim 1, which is characterized in that the test
Test specimen is the porous material of maintenance in concrete.
4. conserving material water-releasing tester in a kind of concrete as described in claim 1, which is characterized in that the salt is molten
Liquid is K2SO4、KNO3、BaCl2.2H2O, one or more in KCl, KBr, NaCl, KI and NaBr saturated salt solution.
5. conserving material water-releasing tester in a kind of concrete as described in claim 1, which is characterized in that the salt is molten
Liquid pallet is made of tray bottom and side wall, is not easy to be spilled over to outside the salting liquid pallet convenient for holding solution in salting liquid pallet
Portion.
6. conserving material water-releasing tester in a kind of concrete as described in claim 1 or 5, which is characterized in that described
Babinet, the cabinet door and the salting liquid pallet are made of plastic or glass；
Preferably, the connector is hook；
More preferably, the hook is that stainless steel is linked up with.
7. conserving material water-releasing tester in a kind of concrete as described in claim 1, which is characterized in that the test specimen
Pallet is formed by trying to get to the heart of a matter with side wall；
Preferably, the test specimen pallet is made of plastics；
Preferably, the pallet is tried to get to the heart of a matter as the plastic mesh of the wide 0.10-0.15mm in hole.
8. conserving material water-releasing tester in a kind of concrete as described in claim 1, which is characterized in that described to weigh
The precision of sensor is 0.001g or 0.0001g.
9. the test user of conserving material water-releasing tester in a kind of such as claim 1-8 any one of them concrete
Method, which is characterized in that the test application method includes the following steps：
1) test test specimen processing：Test test specimen is completely soaked in water first, soaking time length is by specifically measuring purpose
With require to determine；It then takes out test test specimen to be dried surface moisture with the cotton wet towel wrung out, obtains saturated dry surface
Test test specimen, it is spare；
2) tester preparation：Connector, test specimen pallet in tester babinet is respectively mounted and is finished；According to test experiments mesh
Requirement in salting liquid and humidity relationship, prepare test need saturated salt solution pour into salting liquid pallet, be put into case
In vivo, cabinet door is shut, data collecting instrument is opened and records data；Test specimen tray surface when 24 hour data variations≤0.01g
Water suction reaches stable, and it is W to obtain test specimen pallet and hook total weight0；
3) test process：Tester cabinet door is opened, test specimen pallet is taken out, takes the survey of the appropriate saturated dry surface in step 1)
Part of having a try is put into test specimen pallet, and by hand or tool is laid in test specimen is tested on the trying to get to the heart of a matter of test specimen pallet, to ensure to survey
Part particle of having a try does not stack；
The test specimen pallet for placing test test specimen is hung on hook, cabinet door 2 is shut, opening data collecting instrument can must measure just
Begin moment hook, test specimen pallet and the total weight W for testing test specimens0And the hereafter weight W at each moments；
Per data are observed for 24 hours in test process, if variation≤0.01g, you can judge that test process terminates；
4) test result is handled：The test test specimen that test is completed in step 3) is dried 24 hours or more at 105 DEG C, is weighed
Obtain test test specimen dry weight Wsd；And the ratio of residual moisture in each moment test test specimen is calculated according to formula one：
Rw=100% × (Ws-W0-Wsd)/(Ws0-W0-Wsd) formula one
In formula：RwFor the ratio of residual moisture, W0For test specimen pallet and hook total weight, Ws0To measure initial time hook, test specimen
The total weight of pallet and test test specimen, WsFor hook of each moment, test specimen pallet and the total weight for testing test specimen；WsdIt is tried for test
Part dry weight；
According to each moment test test specimen in residual moisture ratio and the time make both relational graph, and to the relational graph into
The row curve linear stage returns, and obtains test test specimen and releases water speed under different humidity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810233351.5A CN108489851A (en) | 2018-03-16 | 2018-03-16 | Conserving material water-releasing tester and test application method in concrete |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940750A (en) * | 2019-03-29 | 2019-06-28 | 河海大学 | A kind of uniform curing means of concrete test block |
| CN110053142A (en) * | 2019-03-29 | 2019-07-26 | 河海大学 | A kind of concrete test block efficient maintenance device |
| CN110208179A (en) * | 2019-04-28 | 2019-09-06 | 天能电池集团（安徽）有限公司 | A kind of polar plate solidification process weight change monitoring device |
| CN114993875A (en) * | 2022-06-01 | 2022-09-02 | 浙江大学 | Device and method for testing balance water content of porous material of building envelope |
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| CN102252932A (en) * | 2010-12-13 | 2011-11-23 | 中国建筑材料科学研究总院 | Performance testing equipment for humidifying function material and testing method |
| CN204649560U (en) * | 2015-06-15 | 2015-09-16 | 三峡大学 | A kind of automatically real-time Weighing system of controllable temperature humidity |
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| CN109940750A (en) * | 2019-03-29 | 2019-06-28 | 河海大学 | A kind of uniform curing means of concrete test block |
| CN110053142A (en) * | 2019-03-29 | 2019-07-26 | 河海大学 | A kind of concrete test block efficient maintenance device |
| CN110208179A (en) * | 2019-04-28 | 2019-09-06 | 天能电池集团（安徽）有限公司 | A kind of polar plate solidification process weight change monitoring device |
| CN114993875A (en) * | 2022-06-01 | 2022-09-02 | 浙江大学 | Device and method for testing balance water content of porous material of building envelope |
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Application publication date: 20180904 |