CN110231256A - A method of quickly detecting bituminous concrete water diffusion depth using chemical method - Google Patents
A method of quickly detecting bituminous concrete water diffusion depth using chemical method Download PDFInfo
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- CN110231256A CN110231256A CN201910597076.XA CN201910597076A CN110231256A CN 110231256 A CN110231256 A CN 110231256A CN 201910597076 A CN201910597076 A CN 201910597076A CN 110231256 A CN110231256 A CN 110231256A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000009792 diffusion process Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004567 concrete Substances 0.000 title claims abstract description 27
- 239000000126 substance Substances 0.000 title description 3
- 238000012360 testing method Methods 0.000 claims abstract description 179
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 37
- 238000002791 soaking Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 25
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims abstract description 24
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000002474 experimental method Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 229910052802 copper Inorganic materials 0.000 claims description 36
- 239000010949 copper Substances 0.000 claims description 36
- 239000002253 acid Substances 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000007654 immersion Methods 0.000 claims description 9
- JLQUFIHWVLZVTJ-UHFFFAOYSA-N carbosulfan Chemical compound CCCCN(CCCC)SN(C)C(=O)OC1=CC=CC2=C1OC(C)(C)C2 JLQUFIHWVLZVTJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 230000006641 stabilisation Effects 0.000 claims description 6
- 238000011105 stabilization Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009490 roller compaction Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 7
- 239000004575 stone Substances 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000010426 asphalt Substances 0.000 description 16
- 238000005457 optimization Methods 0.000 description 8
- 239000004035 construction material Substances 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001550 time effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0023—Investigating dispersion of liquids
- G01N2015/0034—Investigating dispersion of liquids in solids
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Dispersion Chemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a kind of methods that the property using anhydrous cupric sulfate quickly detects bituminous concrete water diffusion depth, which comprises the following steps: (1) test material preparation；(2) effect of temperature, pressure and soaking time；(3) splitting and fixation of test specimen；(4) measurement of water diffusion depth.The invention has the advantages that compensating for the deficiency of software simulation, practical water diffusion depth, more intuitive and convincingness directly can be detected by experiment, and experiment can be provided for software sunykatuib analysis referring to comparison；The detection of water diffusion depth suitable for materials such as dark building stones, bituminous concretes, method is easy to operate, and safety coefficient is high, experiment equipment is required simply, intuitive is strong, and measurement accuracy is higher, suitable for various research institutes, the work and teaching of the research institutions such as school need.
Description
Technical field
The present invention relates to technical field of road engineering more particularly to a kind of property using anhydrous cupric sulfate quickly to detect drip
The method of green concrete water diffusion depth.
Background technique
Moisture Damage is one of the main forms of bituminous pavement Random early Detection, because asphalt is by different gradation rubble
It is be bonded with pitch to form, there is porosity and heterogeneity, water can enter inside asphalt from pavement crack, gap, moisture
It gradually penetrates on the interface of pitch and mineral aggregate, causes interfacial adhesion between asphalt and aggregate to weaken, pavement structural strength reduces.
Simultaneously as flowing pressure acts on, asphalt membrane from mineral aggregate sur-face peeling, influences gradually in external forces such as freeze thawing, dynamic vehicle loads
Under so that generate pore water pressure or negative pressure of vacuum inside mixture, step into asphalt membrane and aggregate Interface, asphalt membrane gradually from
Mineral aggregate sur-face peeling, the presence of water play emulsification to pitch, lead to that the cohesive force between mineral aggregate is lost, asphalt falls grain
With it is loose, then formed bituminous pavement pit slot, push deformation etc. damage phenomenon.
Currently, demonstrating the water diffusion of asphalt and building stones generally by the sunykatuib analysis of software, but because of pitch
The constituent of concrete is complicated, and the parameter involved in software simulation process is numerous, and the Variable Factors of consideration are changeable, simulation step
Suddenly also more many and diverse with calculating process, and lack the comparison of practice, it be easy to cause sunykatuib analysis and actual state difference larger, nothing
Method obtains practical water diffusion depth truthful data.
Summary of the invention
It is mixed in order to solve the above technical problems, quickly detecting pitch the invention discloses a kind of property using anhydrous cupric sulfate
The method of solidifying soil water diffusion depth.
To achieve the above object, the present invention adopts the following technical solutions:
A method of bituminous concrete water diffusion depth, including following step are quickly detected using the property of anhydrous cupric sulfate
It is rapid:
(1) test material preparation
Two-sided to hit real 50 times or 75 times moldings using standard marshal piece production method, cooling takes off not less than after 12h
Mould obtains test specimen；
The test specimen of acquirement is placed in baking oven and is dried to mass conservation at 30 DEG C -50 DEG C, takes out, sets after being cooled to room temperature
In spare in drier, test material preparation completion；
(2) effect of temperature, pressure and soaking time
It before experiment carries out, weighs to the test specimen made, and measure the diameter of test specimen, thickness, record is surveyed in detail
Measure data；
At least one of temperature, pressure and soaking time factor acts on test specimen；
(3) splitting and fixation of test specimen
3.1, to guarantee the stabilization through water in step (2) treated test specimen, test specimen is carried out using the strong testing machine in road fast
Speed splitting obtains two smooth test specimens to be measured of splitting section；
3.2, the section of the test specimen to be measured after splitting is upward, it is placed in fixed observer mold, makes section after test specimen is fixed
Maintain an equal level with the upper surface of fixed observer mold；
The middle part of the fixed observer mold is the cavity for placing test specimen, is respectively set one at left and right sides of cavity
Graduated scale is fixed, a sliding rail is respectively set on the inside of two fixed graduated scales, being equipped on sliding rail can edge
Its steel ruler moved, the both ends of steel ruler are respectively fixedly connected with a pointer, the fixed graduated scale of pointer direction；
(4) measurement of water diffusion depth
4.1, after test specimen is fixed, steel ruler is slided, measures the size of test specimen after splitting；
4.2, steel ruler is allocated to one time, the bottle equipped with a small amount of anhydrous slufuric acid copper powders is inverted in above test specimen section, gently
It is light to shake bottle, so that copper sulphate powder is sprinkled upon the surface of test specimen section, until surface is all covered；
4.3, the anhydrous slufuric acid copper powders trickled down other than test specimen section are gently swept off with small brushes, to prevent anhydrous sulphur
The fixed observer mold for filling test specimen is put in drier and is no less than 10min, makes section by the reaction of moisture in sour copper and air
On moisture sufficiently reacted with copper sulphate powder；
4.4, after completion of the reaction, fixed observer mold is taken out from drier, it is water that anhydrous cupric sulfate, which becomes blue area domain,
Diffusion zone, by measuring diffusion depth capacity using vernier caliper；
4.5, each data recorded in experimentation are handled and is analyzed.
As present invention further optimization, in step (1), the specification of track plate is length and width, thick specification is 300mm
× wide 300mm × thickness 50mm or long 300mm × wide 300mm thickness 100mm.
As present invention further optimization, in step (1), the preparation of test specimen further include: track is prepared using rolling method
Plate demoulds after cooling and shaping, use for laboratory core-drilling machine, carries out coring, the cylindrical body of acquirement to track plate with diamond bit
Test specimen is polished with angle grinder, clears up surface of test piece floating dust and soil.
As present invention further optimization, in step (1), the preparation of test specimen further include: from the road surface of roller-compaction
When coring, 3 or more different locations are randomly selected, boring and coring, the cylinder test specimen angle of acquirement are carried out using diamond bit
Grinding machine is polished, and surface of test piece floating dust and soil are cleared up.
As present invention further optimization, in step (2), including following situations:
(2.1) effect of temperature and soaking time
Test specimen is placed in the constant temperature water tank that water temperature is 5 DEG C -40 DEG C, submergence test specimen is added water into constant temperature water tank, and protect
Test specimen is held after the 0.5d-20d that soaks without pressure, takes out test specimen, surface moisture is dried with paper handkerchief, weighed to test specimen after immersion
And it records；
(2.2) effect of pressure, temperature and soaking time
Test specimen is put in pressurized tank, and pressurized tank periphery is wrapped up with thermal insulation material, and to keep the temperature, 5 DEG C -40 DEG C are added in tank
Water covers pressurized tank lid and tightens sealing, and conveying air into tank using pulsometer rises pressure inside the tank, adjusts air delivery
Valve, so that air pressure reaches 0.1Mpa-0.5Mpa in tank, test specimen soaks 0.5h-48h under pressure, takes out test specimen, surface
Moisture is dried with paper handkerchief, and test specimen after immersion is weighed and recorded.
As present invention further optimization, in step (3), fixed observer mold is made using plastic cement or foam.
As present invention further optimization, in step (4.2), plastic jar is selected to hold anhydrous slufuric acid copper powders, it is small
Openable between the bottle body and bottle cap of bottle to be put into anhydrous slufuric acid copper powders, the bottle cap of bottle is mesh structure, and 0.5g-2g will be housed
The bottle of anhydrous slufuric acid copper powders is placed in advance in dry glass desicator.
As present invention further optimization, the aperture of the bottle cap upper screen cloth is 0.075mm-0.15mm.
As present invention further optimization, in step (4.4), water diffusing area domain is measured using vernier caliper.
In the present invention, the blue chemical property of water change is met using white anhydrous copper sulphate powder and is expanded to observe bituminous concrete water
Dissipate depth, test specimen split using the strong testing machine in road it is disconnected, in the cross-sectional face uniform fold anhydrous slufuric acid copper powders of test specimen, by white
Color powder becomes blue actual conditions, can direct observation water diffusion depth；It is simulated by adjusting water temperature, soaking time and pressure outer
Boundary's varying environment temperature, rain time and load act on the influence spread to bituminous concrete water.The present invention is accurately and conveniently
Determine water diffusion depth of the road construction material test specimen under different immersions, temperature and pressure environmental condition.Research is in difference
The influence that road pavement construction material water is spread under soaking time different temperatures and load action.
The invention has the advantages that compensating for the deficiency of software simulation, practical water diffusion directly can be detected by experiment
Depth, more intuitive and convincingness, and experiment can be provided for software sunykatuib analysis referring to comparison；Suitable for dark building stones, drip
The detection of the water diffusion depth of the materials such as green concrete, method is easy to operate, and safety coefficient is high, requires simply experiment equipment,
Intuitive is strong, and measurement accuracy is higher, is suitable for various research institutes, and the work and teaching of the research institutions such as school need.
The research of road pavement material Moisture Damage of the present invention is of great significance, and the research of road pavement Moisture Damage plays very big
Booster action.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fixed observer mold in the present invention；
Fig. 2 is the structural schematic diagram of bottle in the present invention.
Wherein, the fixed graduated scale of 1-, 2- sliding rail, 3- steel ruler, 4- pointer, 5- test specimen to be measured.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment 1
The present invention discloses a kind of method that the property using anhydrous cupric sulfate quickly detects bituminous concrete water diffusion depth,
The following steps are included:
(1) prepared by marshal piece
Gather materials used in embodiment are as follows: in terms of fine aggregate, coarse aggregate and miberal powder gross mass, fine aggregate mass percent is accounted for
47%, coarse aggregate mass percent accounts for 47%, and powdered ore quality percentage accounts for 6%, wherein gathers materials for limestone, miberal powder is by lime
Rock is ground, and nominal particle diameter is δ≤0.075mm, and the gradation gathered materials meets the gradation of standard specification for construction and acceptance of highway asphalt pavement.
Using standard marshal piece production method, the AC-13 standard marshal piece that bitumen aggregate ratio is 4.5% is prepared, it is double
Real 75 moldings are hit in face, are demoulded, then molding test specimen is put to drying box after cooling no less than 12h, are dried to quality at 35 DEG C
It is constant, it is taken out after being cooled to room temperature, is placed in spare in drier, test material preparation completion.
(2) temperature and soaking time effect
It before experiment carries out, weighs to the test specimen made, and measure the diameter of test specimen, thickness, record is surveyed in detail
Measure data；
By four groups of test specimen point, every group of 4 test specimens are respectively set different soaking time 2d, 5d, 10d and 15d, test specimen are put
Enter in constant temperature water tank, submergence test specimen is added water into constant temperature water tank, open tank switch, the temperature in water tank is made to reach test temperature
20 DEG C of degree, covers tank lid；After the soaking time for reaching setting, test specimen is taken out from water tank, surface moisture is dried with paper handkerchief,
Test specimen disengaging after immersion is weighed and recorded.
(3) splitting and fixation of test specimen
3.1, to guarantee the stabilization through water in step (2) treated test specimen, test specimen is carried out using the strong testing machine in road fast
Speed splitting obtains two smooth test specimens 5 to be measured of splitting section；
3.2, the section of the test specimen to be measured 5 after splitting is upward, it is placed in fixed observer mold, by increasing the side such as packing paper piece
Formula is fixed, and the upper surface of section and fixed observer mold is made to maintain an equal level after test specimen is fixed；
The middle part of fixed observer mold is the cavity for placing test specimen, and a fixation is respectively set at left and right sides of cavity
A sliding rail 2 is respectively set on the inside of two fixed graduated scales 1 in graduated scale 1, and being equipped on sliding rail 2 can edge
Its steel ruler 3 moved, the both ends of steel ruler are respectively fixedly connected with a pointer 4, and pointer 4 is towards fixed graduated scale；Fixed observer mold
It is made using plastic cement or foam.
(4) measurement of water diffusion depth
4.1, after test specimen is fixed, steel ruler 3 is slided, measures the size of test specimen after splitting；
4.2, steel ruler 3 is allocated to one time, the bottle equipped with 1 gram of anhydrous slufuric acid copper powders is inverted in above test specimen section, gently
It is light to shake bottle, so that copper sulphate powder is sprinkled upon the surface of test specimen section, until surface is all covered；
4.3, the anhydrous slufuric acid copper powders trickled down other than test specimen section are gently swept off with small brushes, to prevent anhydrous sulphur
The fixed observer mold for filling test specimen is put in drier and is no less than 10min, makes section by the reaction of moisture in sour copper and air
On moisture sufficiently reacted with copper sulphate powder；
4.4, after completion of the reaction, fixed observer mold is taken out from drier, it is water that anhydrous cupric sulfate, which becomes blue area domain,
Diffusion zone measures diffusion depth capacity using vernier caliper by sliding steel ruler 3；
4.5, each data recorded in experimentation are handled and is analyzed.
Particularly, in step (4.2), plastic jar is selected to hold anhydrous slufuric acid copper powders, the bottle body and bottle cap of bottle it
Between it is openable be put into anhydrous slufuric acid copper powders, the bottle cap of bottle is mesh structure, and the bottle of 1g anhydrous slufuric acid copper powders will be housed
It is placed in dry glass desicator in advance.
Particularly, the aperture of bottle cap upper screen cloth is 0.075mm.
Embodiment 2
Bituminous concrete water diffusion depth is quickly detected using the property of anhydrous cupric sulfate invention additionally discloses another
Method, comprising the following steps:
(1) prepared by marshal piece
Gather materials used in embodiment are as follows: in terms of fine aggregate, coarse aggregate and miberal powder gross mass, fine aggregate mass percent is accounted for
47%, coarse aggregate mass percent accounts for 47%, and powdered ore quality percentage accounts for 6%, wherein gathers materials for limestone, miberal powder is by lime
Rock is ground, and nominal particle diameter is δ≤0.075mm, and the gradation gathered materials meets the gradation of standard specification for construction and acceptance of highway asphalt pavement.
Using standard marshal piece production method, the AC-13 standard marshal piece that bitumen aggregate ratio is 4.5% is prepared, it is double
Real 75 moldings are hit in face, are demoulded, then molding test specimen is put to drying box after cooling no less than 12h, are dried to quality at 35 DEG C
It is constant, it is taken out after being cooled to room temperature, is placed in spare in drier, test material preparation completion；
(2) effect of pressure, temperature and soaking time
It before experiment carries out, weighs to the test specimen made, and measure the diameter of test specimen, thickness, record is surveyed in detail
Measure data；
By four groups of test specimen point, different soaking time 2h, 5h, 8h and 12h are respectively set in every group of 4 test specimens, and test specimen is put in pressure
Power tank (pressurized tank carries pressure gauge), pressurized tank periphery is wrapped with thermal insulation material, 20 DEG C of water is added to keep the temperature, in tank until
Test specimen is submerged, pressurized tank lid is covered and tightens sealing, air is conveyed into tank using pulsometer and pressure inside the tank is made to increase, is adjusted
Air pressure takes out test specimen, surface moisture paper handkerchief to 0.2Mpa after reaching the soaking time of setting from pressurized tank in section tank
It dries, test specimen disengaging after immersion is weighed and recorded；
(3) splitting and fixation of test specimen
3.1, to guarantee the stabilization through water in step (2) treated test specimen, test specimen is carried out using the strong testing machine in road fast
Speed splitting obtains two smooth test specimens 5 to be measured of splitting section；
3.2, the section of the test specimen to be measured 5 after splitting is upward, it is placed in fixed observer mold, by increasing the side such as packing paper piece
Formula is fixed, and the upper surface of section and fixed observer mold is made to maintain an equal level after test specimen is fixed；
The middle part of fixed observer mold is the cavity for placing test specimen, and a fixation is respectively set at left and right sides of cavity
A sliding rail 2 is respectively set on the inside of two fixed graduated scales 1 in graduated scale 1, and being equipped on sliding rail 2 can edge
Its steel ruler 3 moved；Fixed observer mold is made using foam.
(4) measurement of water diffusion depth
4.1, after test specimen is fixed, steel ruler 3 is slided, measures the size of test specimen after splitting；
4.2, steel ruler 3 is allocated to one time, the bottle equipped with 2g anhydrous slufuric acid copper powders is inverted in above test specimen section, gently
Bottle is shaken, copper sulphate powder is made to be sprinkled upon the surface of test specimen section, until surface is all covered；
4.3, the anhydrous slufuric acid copper powders trickled down other than test specimen section are gently swept off with small brushes, to prevent anhydrous sulphur
The fixed observer mold for filling test specimen is put in drier and is no less than 10min, makes section by the reaction of moisture in sour copper and air
On moisture sufficiently reacted with copper sulphate powder；
4.4, after completion of the reaction, fixed observer mold is taken out from drier, it is water that anhydrous cupric sulfate, which becomes blue area domain,
Diffusion zone measures diffusion depth capacity using vernier caliper by sliding steel ruler 3；
4.5, each data recorded in experimentation are handled and is analyzed.
Particularly, in step (4.2), plastic jar is selected to hold anhydrous slufuric acid copper powders, the bottle body and bottle cap of bottle it
Between it is openable be put into anhydrous slufuric acid copper powders, the bottle cap of bottle is mesh structure, and the bottle of 1g anhydrous slufuric acid copper powders will be housed
It is placed in dry glass desicator in advance.
Particularly, the aperture of bottle cap upper screen cloth is 0.075mm.
Embodiment 3
Bituminous concrete water diffusion depth is quickly detected using the property of anhydrous cupric sulfate invention additionally discloses another
Method, comprising the following steps:
(1) preparation of track plate test specimen
Gather materials used in embodiment are as follows: in terms of fine aggregate, coarse aggregate and miberal powder gross mass, fine aggregate mass percent is accounted for
47%, coarse aggregate mass percent accounts for 47%, and powdered ore quality percentage accounts for 6%, wherein gathers materials for limestone, miberal powder is by lime
Rock is ground, and nominal particle diameter is δ≤0.075mm, and the gradation gathered materials meets the gradation of standard specification for construction and acceptance of highway asphalt pavement.
Rolling method prepares long 300mm × wide 300mm × thickness 50mm, and the AC-13 track plate of bitumen aggregate ratio 4.5% is cooled and shaped
After demould, use for laboratory core-drilling machine (use electric power or gasoline engine, Diesel Driven, there is trickling cooling plant), diamond drill machine
The interior diameter of head selects 100mm, carries out coring to track plate, and the cylinder test specimen of acquirement is polished with angle grinder, cleaning examination
Part surface floating dust and soil, then molding test specimen is put to drying box, it is dried to mass conservation at 35 DEG C, after being cooled to room temperature
It takes out, is placed in spare in drier, test material preparation completion；
(2) temperature and soaking time effect
It before experiment carries out, weighs to the test specimen made, and measure the diameter of test specimen, thickness, record is surveyed in detail
Measure data；
By four groups of test specimen point, every group of 4 test specimens, test specimen is put by every group of setting different soaking time 2d, 4d, 7d and 10d
In constant temperature water tank, submergence test specimen is added water into constant temperature water tank, opens tank switch, so that the temperature in water tank is reached 20 DEG C, lid
Upper water box lid；After the soaking time for reaching setting, test specimen is taken out from water tank, surface moisture is dried with paper handkerchief, after immersion
Test specimen disengaging is weighed and is recorded；
(3) splitting and fixation of test specimen
3.1, to guarantee the stabilization through water in step (2) treated test specimen, test specimen is carried out using the strong testing machine in road fast
Speed splitting obtains two smooth test specimens 5 to be measured of splitting section；
3.2, the section of the test specimen to be measured 5 after splitting is upward, it is placed in fixed observer mold, by increasing the side such as packing paper piece
Formula is fixed, and the upper surface of section and fixed observer mold is made to maintain an equal level after test specimen is fixed；
The middle part of fixed observer mold is the cavity for placing test specimen, and a fixation is respectively set at left and right sides of cavity
A sliding rail 2 is respectively set on the inside of two fixed graduated scales 1 in graduated scale 1, and being equipped on sliding rail 2 can edge
Its steel ruler 3 moved, the both ends of steel ruler are respectively fixedly connected with a pointer 4, and pointer 4 is towards fixed graduated scale；Fixed observer mold
It is made using plastic cement or foam.
(4) measurement of water diffusion depth
4.1, after test specimen is fixed, steel ruler 3 is slided, measures the size of test specimen after splitting；
4.2, steel ruler 3 is allocated to one time, the bottle equipped with 1g anhydrous slufuric acid copper powders is inverted in above test specimen section, gently
Bottle is shaken, copper sulphate powder is made to be sprinkled upon the surface of test specimen section, until surface is all covered；
4.3, the anhydrous slufuric acid copper powders trickled down other than test specimen section are gently swept off with small brushes, to prevent anhydrous sulphur
The fixed observer mold for filling test specimen is put in drier and is no less than 10min, makes section by the reaction of moisture in sour copper and air
On moisture sufficiently reacted with copper sulphate powder；
4.4, after completion of the reaction, fixed observer mold is taken out from drier, it is water that anhydrous cupric sulfate, which becomes blue area domain,
Diffusion zone measures diffusion depth capacity using vernier caliper by sliding steel ruler 3；
4.5, each data recorded in experimentation are handled and is analyzed.
Particularly, in step (4.2), plastic jar is selected to hold anhydrous slufuric acid copper powders, the bottle body and bottle cap of bottle it
Between it is openable be put into anhydrous slufuric acid copper powders, the bottle cap of bottle is mesh structure, and the bottle of 1g anhydrous slufuric acid copper powders will be housed
It is placed in dry glass desicator in advance.
Particularly, the pore diameter range of bottle cap upper screen cloth is 0.075mm.
Embodiment 4
Bituminous concrete water diffusion depth is quickly detected using the property of anhydrous cupric sulfate invention additionally discloses another
Method, comprising the following steps:
(1) preparation of track plate test specimen
Gather materials used in embodiment are as follows: in terms of fine aggregate, coarse aggregate and miberal powder gross mass, fine aggregate mass percent is accounted for
47%, coarse aggregate mass percent accounts for 47%, and powdered ore quality percentage accounts for 6%, wherein gathers materials for limestone, miberal powder is by lime
Rock is ground, and nominal particle diameter is δ≤0.075mm, and the gradation gathered materials meets the gradation of standard specification for construction and acceptance of highway asphalt pavement.
Rolling method prepares long 300mm × wide 300mm × thickness 50mm, and the AC-13 track plate of bitumen aggregate ratio 4.5% is cooled and shaped
After demould, use for laboratory core-drilling machine (use electric power or gasoline engine, Diesel Driven, there is trickling cooling plant), diamond drill machine
The interior diameter of head selects 100mm, carries out coring to track plate, and the cylinder test specimen of acquirement is polished with angle grinder, cleaning examination
Part surface floating dust and soil, then molding test specimen is put to drying box, it is dried to mass conservation at 35 DEG C, after being cooled to room temperature
It takes out, is placed in spare in drier, test material preparation completion；
(2) effect of pressure, temperature and soaking time
It before experiment carries out, weighs to the test specimen made, and measure the diameter of test specimen, thickness, record is surveyed in detail
Measure data；
By four groups of test specimen point, different soaking time 2h, 4h, 6h and 8h are respectively set in every group of 4 test specimens, and test specimen is put in pressure
Power tank (pressurized tank carries pressure gauge), pressurized tank periphery is wrapped with thermal insulation material, 20 DEG C of water is added to keep the temperature, in tank until
Test specimen submergence, is covered pressurized tank lid and tightens sealing, conveyed air into tank using pulsometer and pressure inside the tank is made to increase, and is adjusted
Air pressure takes out test specimen, surface moisture is wiped with paper handkerchief to 0.2Mpa after reaching the soaking time of setting from pressurized tank in tank
It is dry, test specimen disengaging after immersion is weighed and recorded；
(3) splitting and fixation of test specimen
3.1, to guarantee the stabilization through water in step (2) treated test specimen, test specimen is carried out using the strong testing machine in road fast
Speed splitting obtains two smooth test specimens 5 to be measured of splitting section；
3.2, the section of the test specimen to be measured 5 after splitting is upward, it is placed in fixed observer mold, by increasing the side such as packing paper piece
Formula is fixed, and the upper surface of section and fixed observer mold is made to maintain an equal level after test specimen is fixed；
The middle part of fixed observer mold is the cavity for placing test specimen, and a fixation is respectively set at left and right sides of cavity
A sliding rail 2 is respectively set on the inside of two fixed graduated scales 1 in graduated scale 1, and being equipped on sliding rail 2 can edge
Its steel ruler 3 moved；Fixed observer mold is made using foam.
(4) measurement of water diffusion depth
4.1, after test specimen is fixed, steel ruler 3 is slided, measures the size of test specimen after splitting；
4.2, steel ruler 3 is allocated to one time, the bottle equipped with 1g anhydrous slufuric acid copper powders is inverted in above test specimen section, gently
Bottle is shaken, copper sulphate powder is made to be sprinkled upon the surface of test specimen section, until surface is all covered；
4.3, the anhydrous slufuric acid copper powders trickled down other than test specimen section are gently swept off with small brushes, to prevent anhydrous sulphur
The fixed observer mold for filling test specimen is put in drier and is no less than 10min, makes section by the reaction of moisture in sour copper and air
On moisture sufficiently reacted with copper sulphate powder；
4.4, after completion of the reaction, fixed observer mold is taken out from drier, it is water that anhydrous cupric sulfate, which becomes blue area domain,
Diffusion zone measures diffusion depth capacity using vernier caliper by sliding steel ruler 3；
4.5, each data recorded in experimentation are handled and is analyzed.
Particularly, in step (4.2), plastic jar is selected to hold anhydrous slufuric acid copper powders, the bottle body and bottle cap of bottle it
Between it is openable be put into anhydrous slufuric acid copper powders, the bottle cap of bottle is mesh structure, and the bottle of 1g anhydrous slufuric acid copper powders will be housed
It is placed in dry glass desicator in advance.
Particularly, the aperture of bottle cap upper screen cloth is 0.075mm.
The present invention can measure the measurement of the water diffusion depth of road construction material (building stones, bituminous concrete)；Investigation temperature,
The factors such as soaking time, flowing pressure are to water diffusion depth influence degree, it can be achieved that road construction material (stone under different temperatures
Material, bituminous concrete) water diffusion depth measurement, road construction material (building stones, bituminous concrete) under different soaking times
The measurement of water diffusion depth, the measurement of the water diffusion depth of road construction material (building stones, bituminous concrete) under different pressures, no
The measurement of water diffusion depth between same soaking time, different temperatures and different pressures under collective effect.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (9)
1. a kind of method that the property using anhydrous cupric sulfate quickly detects bituminous concrete water diffusion depth, which is characterized in that
The following steps are included:
(1) test material preparation
Two-sided to hit real 50 times or 75 times moldings using standard marshal piece production method, cooling is obtained not less than demoulding after 12h
Test specimen；
The test specimen of acquirement is placed in baking oven and is dried to mass conservation at 30 DEG C -50 DEG C, takes out, is placed in dry after being cooled to room temperature
Spare in dry device, test material preparation is completed；
(2) effect of temperature, pressure and soaking time
It before experiment carries out, weighs to the test specimen made, and measure the diameter of test specimen, thickness, in detail record measurement number
According to；
At least one of temperature, pressure and soaking time factor acts on test specimen；
(3) splitting and fixation of test specimen
3.1, to guarantee quickly to split test specimen using the strong testing machine in road through the stabilization of water in step (2) treated test specimen
It splits, obtains two smooth test specimens to be measured of splitting section；
3.2, the section of the test specimen to be measured after splitting is upward, it is placed in fixed observer mold, section is made after test specimen fixation and is consolidated
Surely the upper surface for observing mold maintains an equal level；
The middle part of the fixed observer mold is the cavity for placing test specimen, and a fixation is respectively set at left and right sides of cavity
A sliding rail is respectively set on the inside of two fixed graduated scales in graduated scale, and being equipped on sliding rail can be along its shifting
Dynamic steel ruler, the both ends of steel ruler are respectively fixedly connected with a pointer, the fixed graduated scale of pointer direction；
(4) measurement of water diffusion depth
4.1, after test specimen is fixed, steel ruler is slided, measures the size of test specimen after splitting；
4.2, steel ruler is allocated to one time, and the bottle equipped with a small amount of anhydrous slufuric acid copper powders is inverted in above test specimen section, is gently shaken
Dynamic bottle, makes copper sulphate powder be sprinkled upon the surface of test specimen section, until surface is all covered；
4.3, the anhydrous slufuric acid copper powders trickled down other than test specimen section are gently swept off with small brushes, to prevent anhydrous cupric sulfate
With the reaction of moisture in air, the fixed observer mold for filling test specimen is put in drier and is no less than 10min, is made on section
Moisture is sufficiently reacted with copper sulphate powder；
4.4, after completion of the reaction, fixed observer mold is taken out from drier, it is water diffusion that anhydrous cupric sulfate, which becomes blue area domain,
Region, by measuring diffusion depth capacity using vernier caliper；
4.5, each data recorded in experimentation are handled and is analyzed.
2. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (1), the specification of track plate is length and width, thick specification is 300mm × wide 300mm × thickness
50mm or long 300mm × wide 300mm thickness 100mm.
3. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (1), the preparation of test specimen further include: track plate is prepared using rolling method, is taken off after cooling and shaping
Mould, use for laboratory core-drilling machine carry out coring to track plate with diamond bit, and the cylinder test specimen of acquirement is carried out with angle grinder
Surface of test piece floating dust and soil are cleared up in polishing.
4. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (1), the preparation of test specimen further include: from when coring, randomly selecting 3 on the road surface of roller-compaction
A above different location carries out boring and coring using diamond bit, and the cylinder test specimen of acquirement is polished with angle grinder, is cleared up
Surface of test piece floating dust and soil.
5. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (2), including following situations:
(2.1) effect of temperature and soaking time
Test specimen is placed in the constant temperature water tank that water temperature is 5 DEG C -40 DEG C, submergence test specimen is added water into constant temperature water tank, and keep trying
Part takes out test specimen, surface moisture is dried with paper handkerchief, test specimen after immersion is weighed and remembered after the 0.5d-20d that soaks without pressure
Record；
(2.2) effect of pressure, temperature and soaking time
Test specimen is put in pressurized tank, and pressurized tank periphery is wrapped up with thermal insulation material, and 5 DEG C -40 DEG C of water, lid are added to keep the temperature, in tank
Upper pressurized tank lid tightens sealing, and conveying air into tank using pulsometer rises pressure inside the tank, adjusts air delivery valve,
So that air pressure reaches 0.1Mpa-0.5Mpa in tank, test specimen soaks 0.5h-48h under pressure, takes out test specimen, surface moisture
It is dried with paper handkerchief, test specimen after immersion is weighed and recorded.
6. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (3), fixed observer mold is made using plastic cement or foam.
7. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (4.2), plastic jar is selected to hold anhydrous slufuric acid copper powders, the bottle body and bottle cap of bottle it
Between it is openable be put into anhydrous slufuric acid copper powders, the bottle cap of bottle is mesh structure, will be equipped with 0.5g-2g anhydrous slufuric acid copper powders
Bottle is placed in advance in dry glass desicator.
8. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that the aperture of the bottle cap upper screen cloth is 0.075mm-0.15mm.
9. a kind of property using anhydrous cupric sulfate as described in claim 1 quickly detects bituminous concrete water diffusion depth
Method, which is characterized in that in step (4.4), water diffusing area domain is measured using vernier caliper.
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