CN110501375A - The experimental rig and test method of high polymer free wxpansion cubing - Google Patents
The experimental rig and test method of high polymer free wxpansion cubing Download PDFInfo
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- CN110501375A CN110501375A CN201910919491.2A CN201910919491A CN110501375A CN 110501375 A CN110501375 A CN 110501375A CN 201910919491 A CN201910919491 A CN 201910919491A CN 110501375 A CN110501375 A CN 110501375A
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- 229920000642 polymer Polymers 0.000 title claims abstract description 43
- 238000010998 test method Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 117
- 238000012360 testing method Methods 0.000 claims abstract description 117
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007569 slipcasting Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- AFJYYKSVHJGXSN-KAJWKRCWSA-N selamectin Chemical compound O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1C(/C)=C/C[C@@H](O[C@]2(O[C@@H]([C@@H](C)CC2)C2CCCCC2)C2)C[C@@H]2OC(=O)[C@@H]([C@]23O)C=C(C)C(=N\O)/[C@H]3OC\C2=C/C=C/[C@@H]1C AFJYYKSVHJGXSN-KAJWKRCWSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0021—Measuring arrangements characterised by the use of mechanical techniques for measuring the volumetric dimension of an object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention provides the experimental rig and test method of high polymer free wxpansion cubing, a kind of experimental rig of high polymer free wxpansion cubing, including test cabin and measurement storehouse, and test cabin is connected to measurement storehouse；Test cabin is equipped with temperature measuring equipment, and test cabin is additionally provided with casting head and drain tap；It is equipped in measurement storehouse and is divided into measurement storehouse A to be only connected in lower end with the demarcation plate of storehouse B, measurement storehouse A is measured with measurement storehouse B in measurement storehouse, so that measuring storehouse A and measurement storehouse B forms linker；Measurement storehouse A is connected to test cabin A, and measurement storehouse B is connected to by measuring storehouse A with test cabin, is respectively equipped with observation window on measurement storehouse A and measurement storehouse B, observation window is equipped with scale；It is open or equipped with can be with the valve of extraneous connection to measure the upper end storehouse B.A kind of more complete equipment is provided for the research of high polymer free wxpansion characteristic, gained test result the research of installation security protection high polymer grouting reparation can provide foundation based on.
Description
Technical field
The present invention relates to the experimental rigs of high polymer free wxpansion test more particularly to high polymer free wxpansion cubing
And test method.
Technical background
Since reform and opening-up, product of the highway as modern Economy Development, as the important of modernization of the country civilization level
Mark, increasingly obtains the attention of countries in the world.Since first, China highway Hu Jia high speed in 1988 is open to the traffic
Since, the Highway Cause in China is entered to build the new era based on high-grade highway, in face of the opportunity of a lifetime, In
Under the guide of national policy policy, under the correct leadership of traffic department, in all highway persons, unity of will is an impregnable stronghold, work hard, working in a clever way adds
Under doing solid work, by the end of the year 2018, China's highway mileage open to traffic ranks first in the world, achievement is proud up to 140,000 kilometers or so
People, the another world attractes attention.Reform and development are gone forward side by side, and are striven and are gone together with splendidness, but in the behind that bright achievement obtains, there is also some
The problem of another people's worry, such as due to the synthesis of the factors such as overload transport, construction management, late maintaining and volume of traffic rapid growth
It influences, in the time that asphalt concrete pavement is not grown after being open to traffic, there have been the early stage such as track, crack, frost boiling, passage is broken
It is bad, and the Common Diseases such as crack, plate broken, faulting of slab ends, purt mud, depression and Seam failure then occur existing for cement concrete pavement
As such as being repaired and being administered not in time of, these diseases, then caused by result will is that road surface breakage degree is on the rise,
The service level of highway and it is open to traffic quality and traffic safety is received and seriously affected.But if using traditional method for maintaining,
Not only cost is high, and the influence to traffic is big, and highway subgrade pavement detection device also falls behind relatively, that is, the maintenance lagged
Technology and equipment is uncoordinated with producing between the highway construction grown rapidly, in this background, ring hydrotechnics institute, Zhengzhou University
Under the leading of Wang Fuming president, on the basis of studying for many years, take the lead in being proposed foundation in Non-destructive testing equipment base
High polymer grouting rapid servicing technology on plinth, with science and technology development and environmental consciousness enhancing, this technology with pair
The advantages that environment influence is small, and applied widely, seepage capability is strong, and reinforcing speed is fast has achieved more in highway maintenance maintenance
Successful application example.
The common performance of material property, that is, material, be construction engineering test and safety evaluation important content and substantially according to
According to.Have only grasp material common performance, can just make materials'use it is more environmentally friendly, closer to reality, be more convenient for constructing and reaching pre-
The effect of phase just can make construction quality and application purpose be guaranteed, and can preferably be project construction service and guarantee
The in-depth of product variety and material property is studied, and the new product for largely meeting environmental protection, safety and health type can be just produced.Gao Ju
The great advantage of object, which is that when its two kinds of components react, can generate huge expansive force.The power on the one hand can be in height
Pore water most under basis is squeezed out into earth's surface when polymers slip casting, accelerates the consolidation of foundation soil body, while there is no to ground
Base increases great additional stress, avoids the further deterioration of base state；On the other hand under upward expansive force effect,
It can be lifted the relative settlement of works above basis, such as the relative settlement of pavement of road or airport surface layer, construction wall, and
The crack for filling the overwhelming majority can mitigate to a certain extent or eliminate the influence that basis is again confronted with water damage, extend base
The service life of Infrastructure, the research to high polymer expansion characteristics are essential a part.
Summary of the invention
The present invention provides the experimental rig and test method of high polymer free wxpansion cubing, can measure high polymer and exist
Temperature change in air in the volume and expansion process of free wxpansion, while high polymer is also capable of measuring in expansion stage of ripeness Mo
Volume contraction phenomenon caused by phase provides a kind of more complete equipment for the research of high polymer free wxpansion characteristic, and gained is surveyed
Test result the research of installation security protection high polymer grouting reparation can provide foundation based on.
The object of the present invention is achieved in the following manner: a kind of experimental rig of high polymer free wxpansion cubing,
Including test cabin and measurement storehouse, test cabin is connected to measurement storehouse；Test cabin be equipped with temperature measuring equipment, test cabin be additionally provided with casting head and
Drain tap (6)；It is equipped in measurement storehouse and measurement storehouse is divided into measurement storehouse A and measures the demarcation plate of storehouse B, measure storehouse A and measurement
Storehouse B is only connected in lower end, to measure storehouse A and measurement storehouse B formation linker；Measurement storehouse A is connected to test cabin A, and measurement storehouse B is logical
It crosses measurement storehouse A to be connected to test cabin, is respectively equipped with observation window on measurement storehouse A and measurement storehouse B, observation window is equipped with scale；
It is open or equipped with can be with the valve of extraneous connection to measure the upper end storehouse B.
Observation window is started setting up from the bottom of measurement storehouse A and measurement storehouse B, and scale also from measurement storehouse A and measures storehouse B's
Bottom starts setting up.
Demarcation plate divides measurement storehouse equally from center, and the volume of measurement storehouse A and measurement storehouse B in identical height is identical, preferably, surveys
Measuring storehouse B has higher height than measurement storehouse A.
Test cabin is connected with observation storehouse A by interface channel, and interface channel is separately connected test cabin and observes the upper of storehouse A
End.
Filter screen is equipped in interface channel.
Temperature measuring equipment is temperature sensor or thermometer, and temperature measuring equipment connects data acquisition device.
Test cabin includes test cabin upper plate, test cabin warehouse, test cabin lower bottom base, test cabin lower bottom base and test cabin storehouse
Body is connected by screw bolt and nut, and sealing ring is arranged in the junction of test cabin warehouse and test cabin lower bottom base, test cabin upper plate.
It measures and is equipped with measurement storehouse lower bottom base below storehouse, test cabin lower bottom base and measurement storehouse lower bottom base are provided with supporting leg, try
Testing position lower bottom base is identical with measurement storehouse sub-mount heights.
The test method of the high polymer free wxpansion cubing,
(1) drain tap is opened, makes to measure the upper end storehouse B and extraneous connection, from measuring from the upper end storehouse B is in communication with the outside to measurement storehouse
Interior water filling measures water level in the A of storehouse and is higher than under the measurement lower end storehouse A and measurement storehouse B lower than the measurement upper end storehouse A and test cabin connectivity part
Hold connectivity part；Then slip casting is carried out to test cabin by casting head, closes drain tap after slip casting；
(2) high polymer expands rapidly in test cabin, since the extruding of air causes measurement storehouse A and measurement storehouse B liquid level poor, passes through
Observation window is read, and every 10 seconds do primary record；Temperature change in reaction process is acquired by data acquisition device
Get off；
(3) off-test after measuring storehouse A and the not reflation variation of measurement storehouse B liquid level difference, dismantles experiment test device, and clear
Reason.
The test method of the high polymer free wxpansion cubing, first installation experimental test fills before the test is conducted
Set with installation data acquisition system,
Installation experiment test device: test cabin warehouse, test cabin upper plate and test cabin are connected by screw bolt and nut and gone to the bottom
Seat, while placing sealing ring and increasing leakproofness；Measurement storehouse is placed on measurement storehouse lower bottom base；
Installation data acquisition system connects data collector and temperature measuring equipment.
The invention has the benefit that
(1) volume change for the measurement high polymer free wxpansion that the present apparatus can be visual and clear, and it is final to measure high polymer
Swelling volume.
(2) present apparatus can measure temperature of high polymer during free wxpansion with the changing rule of volume.
(3) present apparatus can measure high polymer in the size of the volume contraction in expansion latter stage in the stage of ripeness.
Detailed description of the invention
Fig. 1 is the schematic illustration of experimental rig of the present invention；
Fig. 2 is the stereoscopic schematic diagram of experimental rig of the present invention；
Fig. 3 is the structural schematic diagram of test measurement device；
Fig. 4 is the upper plate schematic diagram of test measurement device；
Fig. 5 is the test cabin lower bottom base schematic diagram of test measurement device；
Fig. 6 is the measurement storehouse lower bottom base schematic diagram of test measurement device；
Fig. 7 is the warehouse schematic diagram of test measurement device.
Wherein: 15- test cabin；1- test cabin upper plate；2 test cabin warehouses；3- test cabin lower bottom base；4- measures storehouse；40-
Measure storehouse lower bottom base；41- measures storehouse A；42- measures storehouse B；43- demarcation plate；5- thermometer；6- drain tap；7- water discharging valve；
8- observation window；9- bolt；10- nut；11- data acquisition device；12- sealing ring；13- casting head；14- scale.
Specific embodiment
As shown in Fig. 1-Fig. 7, a kind of experimental rig of high polymer free wxpansion cubing, including test cabin 15 and measurement
Storehouse 4, test cabin are connected to measurement storehouse 4；Test cabin 15 is equipped with temperature measuring equipment 5, and test cabin 15 is additionally provided with casting head 13 and exhaust valve
Door 6；It is equipped in measurement storehouse 2 and measurement storehouse is divided into measurement storehouse A41 and measures the demarcation plate 43 of storehouse B42, measurement storehouse A and measurement storehouse
B is only connected in lower end, to measure storehouse A and measurement storehouse B formation linker；Measurement storehouse A is connected to test cabin A, and measurement storehouse B passes through
Measurement storehouse A is connected to test cabin, is respectively equipped with observation window 8 on measurement storehouse A and measurement storehouse B, observation window 8 is equipped with scale
14；It is open or equipped with can be with the valve 7 of extraneous connection to measure the upper end storehouse B.High polymer test cabin expand, squeeze air into
Enter to measure storehouse A, measurement storehouse A is caused and measure storehouse B liquid level scale to change, to measure high polymer swelling volume.
Observation window 8 is started setting up from the bottom of measurement storehouse A and measurement storehouse B, and scale is also from measurement storehouse A and measurement storehouse B
Bottom start setting up, facilitate observation and reading.
Demarcation plate 43 divides measurement storehouse, the volume phase of measurement storehouse A and measurement storehouse B in identical height equally from measurement storehouse center
Together, preferably, measurement storehouse B than measurement storehouse A have higher height because test when test cabin in air extrusion into measure storehouse A,
Measurement storehouse B can then be entered by measuring the water in the A of storehouse, to facilitate experimental observation.
Test cabin is connected with observation storehouse A by interface channel, and interface channel is separately connected test cabin and observes the upper of storehouse A
End.
Filter screen is equipped in interface channel, the slurries after reducing high polymer expansion enter measurement storehouse.
Temperature measuring equipment 5 is temperature sensor or thermometer, and temperature measuring equipment connects data acquisition device 11.Data acquisition device
It can be temperature data acquisition device.Facilitate the temperature change of record high polymer during the reaction.
Test cabin 15 includes test cabin upper plate 1, test cabin warehouse 2, test cabin lower bottom base 3, test cabin lower bottom base 3 and examination
Testing position warehouse 2 is connected by bolt 9 and nut 10, the connection of test cabin warehouse 2 and test cabin lower bottom base 3, test cabin upper plate 1
Place's setting sealing ring 12, increases the leakproofness of test cabin.
Drain tap 6 is located at test cabin upper plate 1, and casting head 13 is located at test cabin lower bottom base 3.
It measures and is equipped with measurement storehouse lower bottom base 40 below storehouse 4, test cabin lower bottom base 3 and measurement storehouse lower bottom base 40 are provided with support
Leg, test cabin lower bottom base 3 are identical with measurement storehouse lower bottom base 40 preferably height.
Poor for convenience of reading measurement storehouse A and measurement storehouse B liquid level, the scale middle part measured on the A of storehouse is 0 scale, is negative downwards
Scale is incremented by, and the scale that is positive upwards is incremented by；0 scale measured on the B of storehouse is corresponding with 0 scale on measurement storehouse A, and be negative downwards scale
It is incremented by, the scale that is positive upwards is incremented by.
The test method of the high polymer free wxpansion cubing,
(1) drain tap (6) are opened, makes to measure the upper end storehouse B and extraneous connection, from measuring from the upper end storehouse B is in communication with the outside to survey
It measures in storehouse and fills the water, measure water level in the A of storehouse and be higher than the measurement lower end storehouse A and measurement storehouse lower than the measurement upper end storehouse A and test cabin connectivity part
The lower end B connectivity part；Then slip casting is carried out to test cabin by casting head, closes drain tap (6) after slip casting, continues to keep
Measure the upper end storehouse B and extraneous connection；
(2) high polymer expands rapidly in test cabin, since the extruding of air causes measurement storehouse A and measurement storehouse B liquid level poor, passes through
Observation window is read, and every 10 seconds do primary record；Temperature change in reaction process is acquired by data acquisition device
Get off；
(3) off-test after measuring storehouse A and the not reflation variation of measurement storehouse B liquid level difference, dismantles experiment test device, and clear
Reason.
During test data sheet otherwise liquid level will reform test no more than meter full scale.
The test method of the high polymer free wxpansion cubing, first installation experimental test fills before the test is conducted
Set with installation data acquisition system,
Installation experiment test device: test cabin warehouse, test cabin upper plate and test cabin are connected by screw bolt and nut and gone to the bottom
Seat, while placing sealing ring and increasing leakproofness；Measurement storehouse is placed on measurement storehouse lower bottom base.
Installation data acquisition system connects data collector and temperature measuring equipment.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (10)
1. a kind of experimental rig of high polymer free wxpansion cubing, it is characterised in that: including test cabin (15) and measurement storehouse
(4), test cabin is connected to measurement storehouse；Test cabin is equipped with temperature measuring equipment (5), and test cabin is additionally provided with casting head (13) and drain tap
(6)；Measurement storehouse in be equipped with measurement storehouse be divided into measurement storehouse A(41) and measurement storehouse B(42) demarcation plate (43), measure storehouse A with
It measures storehouse B to be only connected in lower end, forms linker to measure storehouse A and measure storehouse B；Measurement storehouse A is connected to test cabin A, is measured
Storehouse B is connected to by measuring storehouse A with test cabin, is respectively equipped with observation window (8) on measurement storehouse A and measurement storehouse B, is set on observation window
There are scale (14)；It is open or equipped with can be with the valve (7) of extraneous connection to measure the upper end storehouse B.
2. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: observation window
It is started setting up from measurement storehouse A and the bottom for measuring storehouse B, scale is also started setting up from measurement storehouse A with the bottom for measuring storehouse B.
3. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: demarcation plate from
Measurement storehouse is divided at center equally, and the volume of measurement storehouse A and measurement storehouse B in identical height is identical, and measurement storehouse B ratio measurement storehouse A has more
High height.
4. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: test cabin and
It observes storehouse A to connect by interface channel, and interface channel is separately connected test cabin and observes the upper end of storehouse A.
5. the experimental rig of high polymer free wxpansion cubing according to claim 4, it is characterised in that: interface channel
It is interior to be equipped with filter screen.
6. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: temperature measuring equipment
For temperature sensor or thermometer, temperature measuring equipment connects data acquisition device (11).
7. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: test cabin
It (15) include test cabin upper plate (1), test cabin warehouse (2), test cabin lower bottom base (3), test cabin lower bottom base (3) and test cabin
Warehouse (2) is connected by bolt (9) and nut (10), test cabin warehouse (2) and test cabin lower bottom base (3), test cabin upper plate
(1) sealing ring (12) are arranged in junction.
8. the experimental rig of high polymer free wxpansion cubing according to claim 7, it is characterised in that: measurement storehouse
(4) lower section is equipped with measurement storehouse lower bottom base (40), and test cabin lower bottom base (3) and measurement storehouse lower bottom base (40) are provided with supporting leg.
9. the test method of high polymer free wxpansion cubing described in -8 any claims according to claim 1, special
Sign is:
(1) drain tap (6) are opened, makes to measure the upper end storehouse B and extraneous connection, from measuring from the upper end storehouse B is in communication with the outside to survey
It measures in storehouse and fills the water, measure water level in the A of storehouse and be higher than the measurement lower end storehouse A and measurement storehouse lower than the measurement upper end storehouse A and test cabin connectivity part
The lower end B connectivity part；Then slip casting is carried out to test cabin by casting head, closes drain tap (6) after slip casting；
(2) high polymer expands rapidly in test cabin, since the extruding of air causes measurement storehouse A and measurement storehouse B liquid level poor, passes through
Observation window is read, and every 10 seconds do primary record；Temperature change in reaction process is acquired by data acquisition device
Get off；
(3) off-test after measuring storehouse A and the not reflation variation of measurement storehouse B liquid level difference, dismantles experiment test device, and clear
Reason.
10. the test method of high polymer free wxpansion cubing according to claim 9, it is characterised in that:
Experiment test device and installation data acquisition system are first installed before the test is conducted,
Installation experiment test device: test cabin warehouse, test cabin upper plate and test cabin are connected by screw bolt and nut and gone to the bottom
Seat, while placing sealing ring and increasing leakproofness；Measurement storehouse is placed on measurement storehouse lower bottom base；
Installation data acquisition system connects data collector and temperature measuring equipment.
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Cited By (1)
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| CN110849233A (en) * | 2019-11-28 | 2020-02-28 | 中国计量科学研究院 | Online measurement method for effective volume of piston cylinder of piston type gas flow standard device |
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2019
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