CN111238979B - Method for evaluating and determining skid resistance and wear resistance of stone for roads - Google Patents
Method for evaluating and determining skid resistance and wear resistance of stone for roads Download PDFInfo
- Publication number
- CN111238979B CN111238979B CN202010067677.2A CN202010067677A CN111238979B CN 111238979 B CN111238979 B CN 111238979B CN 202010067677 A CN202010067677 A CN 202010067677A CN 111238979 B CN111238979 B CN 111238979B
- Authority
- CN
- China
- Prior art keywords
- stone
- hardness
- value
- phase
- determining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004575 stone Substances 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 14
- 239000011707 mineral Substances 0.000 claims abstract description 14
- 229910001570 bauxite Inorganic materials 0.000 claims description 22
- 238000004364 calculation method Methods 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 7
- 238000002441 X-ray diffraction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 abstract description 5
- 239000004568 cement Substances 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 18
- 238000011156 evaluation Methods 0.000 description 10
- 238000005498 polishing Methods 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 6
- 238000007542 hardness measurement Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/565—Investigating resistance to wear or abrasion of granular or particulate material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0098—Tests specified by its name, e.g. Charpy, Brinnel, Mullen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/0202—Control of the test
- G01N2203/0212—Theories, calculations
- G01N2203/0218—Calculations based on experimental data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0284—Bulk material, e.g. powders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the field of pavement material performance test, and relates to a method for evaluating and determining the skid resistance and wear resistance of pavement stones, which comprises the following steps: 1) Testing the wear rate of the stone for the road to obtain the wear rate of the stone for the road; 2) Determining the composition and proportion of different phases in the stone material for roads; 3) Determining the hardness of each mineral component in the pavement stone or determining the nano-hardness of each phase in the pavement stone; 4) Determining the integral average hardness of the stone according to the proportion of each phase and the hardness corresponding to each phase; 5) Determining the integral hardness discrete value of the stone according to the obtained average hardness, the proportion of each phase and the hardness corresponding to each phase; 6) And establishing a correlation among the stone wear rate, the integral average hardness value of the stone and the discrete hardness value of the stone, and determining the wear resistance of the stone. The present invention can determine the wear resistance of stone material for certain road and reflect the skid resistance and wear resistance of asphalt road or cement road.
Description
Technical Field
The invention belongs to the field of pavement material performance testing, and relates to a method for evaluating and determining the skid resistance and wear resistance of pavement stones.
Background
At present, the crushing resistance, abrasion resistance and polishing performance test of the aggregate for roads is mainly evaluated by a crushing value, an abrasion value and a polishing value of the aggregate. The crushing value is the ability of aggregate to resist crushing under the load that gradually increases, if the crushing value of coarse aggregate is too big, it is weak to show the material compressive capacity, and the road surface structure bearing capacity that forms is lower, and under the vehicle load effect, diseases such as loose aggregate, rut easily appear in the road surface, and serious person will lead to road surface structural damage. The los angeles abrasion test is a method for representing the wheel abrasion and impact resistance of coarse aggregate, and the abrasion resistance of the aggregate is an important factor for determining the durability, abrasion resistance and rutting resistance of the asphalt mixture pavement. The abrasive resistance of the aggregate is characterized by an aggregate abrasive value determined by an accelerated polishing test method, reflects the strength of the abrasive resistance of the aggregate, and is also an important index for evaluating the microstructure abrasion resistance level of the asphalt pavement.
The evaluation indexes of the crushing value, the abrasion value and the polishing value reflect the overall crushing, abrasion and polishing performances of the aggregate. The obtained polishing value and the abrasion value have larger difference based on different particle sizes of the aggregates. Therefore, the wear resistance of any stone is good, and there is no uniform evaluation index, and the wear resistance and polishing resistance of any stone cannot be reflected from these indexes.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a method for evaluating and determining the skid resistance and wear resistance of stone for roads, which can determine the wear resistance of the stone for roads and can reflect the skid resistance and wear resistance of asphalt pavements or cement pavements.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for evaluating and determining the skid resistance and wear resistance of stone for roads is characterized by comprising the following steps: the method for determining the skid resistance and wear resistance evaluation of the stone for roads comprises the following steps:
1) Testing the wear rate of the stone for the road by using a friction wear testing machine to obtain the wear rate of the stone for the road;
2) Determining the composition and proportion of different phases in the stone material for roads;
3) Determining the hardness of each mineral component in the pavement stone or determining the nano-hardness of each phase in the pavement stone;
4) Determining the integral average hardness of the stone according to the proportion of each phase and the hardness corresponding to each phase;
5) Finally determining the integral hardness discrete value of the stone according to the obtained average hardness, the proportion of each phase and the hardness corresponding to each phase;
6) And establishing a correlation among the stone wear rate, the integral average hardness value of the stone and the discrete hardness value of the stone, determining the wear resistance of the stone, and providing a scientific theoretical basis for evaluating the skid resistance and the wear resistance of the stone for roads.
Preferably, the calculation formula of the wear rate of the road stone adopted by the invention is as follows:
wherein,
ε is the wear resistance of the material;
Preferably, the specific implementation manner of step 2) adopted by the invention is as follows: and obtaining a spectrum of the stone powder by using an X-ray diffraction analyzer, and analyzing the proportion of each component in the stone powder according to the spectrum.
Preferably, the specific implementation manner of step 3) adopted by the invention is as follows: the Vickers hardness is adopted to determine the hardness of each mineral component in the road stone or a TI-950 type nano indentor is adopted to test the nano hardness of different phases of the road stone.
Preferably, the average hardness of the rock material in step 4) used in the invention is a weighted sum of the hardness measurements of each mineral component in the rock material multiplied by the mass percentage of that mineral component in the rock material.
Preferably, the specific calculation formula of the overall average hardness of the stone in the step 4) adopted by the invention is as follows:
in the formula:
H nm is the overall average hardness of the stone;
h i is the hardness value of a certain phase i;
p i the mass percentage of the phase i in the phase composition is shown;
n is the number of all the object phases in the stone, and i is less than or equal to N.
Preferably, the calculation formula of the overall hardness discrete value of the stone in the step 5) adopted by the invention is as follows:
S nm is the integral hardness discrete value of the stone material, and the unit is Gpa;
H nm is the overall average hardness of the stone;
H nmi nano-hardness for phase i;
p i is the mass percentage of the phase i in the phase composition;
n is the number of all the object phases in the stone, and i is less than or equal to N.
Preferably, the specific implementation manner of step 6) adopted by the invention is as follows: and converting the discrete hardness value of the stone, the integral average hardness value of the stone and the measurement result and the calculation result value of the stone wear rate into paired numerical values, fitting by utilizing binary nonlinear regression to obtain a fitting function, determining the wear resistance of the stone according to the fitting function, and providing a scientific theoretical basis for the evaluation of the skid resistance and the wear resistance of the stone for roads.
Preferably, the fitting function used in the present invention has the relationship:
wherein:
d is the logarithmic value of the wear resistance parameter.
Log of Knm hardness dispersion;
pnm is the logarithmic value of the average nano-hardness;
the invention has the advantages that:
the invention provides a method for evaluating and determining the skid resistance and wear resistance of stone for roads, which comprises the steps of firstly, testing the wear resistance of the stone for roads by a friction wear testing machine to determine the wear rate; determining the composition and proportion of different phases in the mineral aggregate; determining the hardness of each component in the mineral components by adopting Vickers hardness or determining the nano hardness of each phase by adopting nano hardness; determining the integral average hardness of the stone according to the proportion of each phase and the hardness corresponding to each phase; finally determining the integral hardness discrete value of the stone according to the obtained average hardness and the hardness and proportion of each phase; and establishing the correlation among the wear rate, the average hardness value and the dispersion hardness value, so that the wear resistance of the stone is determined according to the hardness value and the dispersion hardness value, and a scientific theoretical basis is provided for the evaluation of the skid resistance and the wear resistance of the stone for roads. The invention provides an evaluation index of the skid resistance and wear resistance of stone for roads, the wear resistance of the stone for a certain road can be determined by the index, and the skid resistance and wear resistance of the stone determines the overall skid resistance and wear resistance of the aggregate, so that the skid resistance and wear resistance of asphalt pavements or cement pavements can be reflected.
Drawings
FIG. 1 is a schematic flow chart of the steps of the method for determining the skid resistance and wear resistance of pavement stones provided by the invention;
FIG. 2 is a side view of XRD pattern analysis of different bauxite clinker powders;
FIG. 3 is a graph of hardness measurement points for corundum phase;
FIG. 4 is a hardness test point test chart for the mullite phase;
FIG. 5 is a hardness measurement point test chart of the quartz phase.
Detailed Description
Referring to fig. 1, the invention relates to a method for evaluating and determining the skid resistance and wear resistance of stone for roads, which comprises the following steps: firstly, testing the wear rate of stone for a road by using a friction wear testing machine; determining the composition and proportion of different phases in the mineral aggregate; determining the hardness of each component in the mineral components by adopting Vickers hardness or determining the nano hardness of each phase by adopting nano hardness; determining the integral average hardness of the stone according to the proportion of each phase and the hardness corresponding to each phase; finally determining the integral hardness discrete value of the stone according to the obtained average hardness and the hardness and proportion of each phase; and establishing a mutual relation among the wear rate, the average hardness value and the discrete hardness value, so that the wear resistance of the stone is determined according to the hardness value and the discrete hardness value, and a scientific theoretical basis is provided for the evaluation of the skid resistance and the wear resistance of the stone for roads.
Wherein, the wear rate of the stone for road is determined by testing with a friction wear testing machine, and the calculation formula of the wear rate is as follows:
ε -the abrasion resistance of the material;
The specific implementation steps are as follows:
1. determination of wear rate
Testing friction coefficients and wear rates of six bauxite clinker test pieces by adopting an RTEC friction wear testing machine, wherein the testing hardware configuration comprises the following steps: the device comprises an electronic balance, a 500N loading force sensor, a 100N friction force sensor, a reciprocating motion module and a copolymerization microscope.
1. Sample preparation
Cutting each bauxite clinker into cuboid small blocks with the length of 30mm, the width of 20mm and the height of 7mm, cutting each type of bauxite into three blocks, wherein the total number of the bauxite blocks is 18, and drying for later use.
2. Test procedure
(1) Weighing, all samples were weighed before and after the test with an electronic balance, two groups were measured each time, and the results were averaged.
(2) And (3) mounting the test piece, wherein a friction pair (upper sample) of the abrasion tester is a WC hard alloy ball with the diameter of 9.6mm, and lower samples are six bauxite clinker samples to be tested respectively.
(3) Friction test, all samples have the same friction test conditions, and the specific test parameters are shown in the following table 1,
TABLE 1 test parameters of the Friction test
| Stroke control | Frequency of | Loading force | Test time |
| 8mm | 1Hz | 100N | 30min |
During the test, the ball was held using a ball holder. The lower sample is fixed on the reciprocating driving platform through a lower plate clamp. In the testing process, the upper ball sample is kept still, and the lower sample does reciprocating motion. And collecting and recording parameters of the friction force, the load and the friction coefficient in real time. The acquisition frequency was 1000 hz.
(4) Topography testing
After the friction test is finished, the surface appearance of the grinding mark is tested by a confocal microscope,
(5) Evaluation of abrasion resistance
At present, in the friction and wear research work at home and abroad, people adopt various friction and wear testing machines, and the evaluation method of the wear loss is not uniform. The paper adopts a weight loss method to test the abrasion loss of six aggregates, thereby quantitatively evaluating the abrasion resistance of the aggregates. Specifically, the following calculation formula (1) is used for calculation.
(6) Test results and analysis
TABLE 2 Mass loss test results for six bauxite chamottes
2. Determination of hardness of different phases
(1) Determination of phase proportions
The method for determining different phases of the stone for the road can adopt an X-ray diffraction analyzer to obtain a spectrum of stone powder, analyze the proportion of each composition component in the stone powder according to the spectrum, and is suitable for similar test methods which can obtain the composition proportion of the phases.
Taking six bauxite chamottes A, B, C, D, E and F as examples, XRD spectrum analysis is carried out on bauxite chamotte powder to determine the phase composition proportion of the bauxite chamotte, and the test results are shown in the following figure 2.
(2) Determination of the average hardness
The Vickers hardness is adopted to determine the hardness of each mineral component in the stone material for the road, or a TI-950 type nano indentor is adopted to test the nano hardness of different phases of the stone material for the road.
When the TI-950 type nanoindenter tests hardness, different phases show different colors (figure 3, figure 4 and figure 5), the phases corresponding to the different colors are determined, then the nanometer hardness values of different color areas are tested, the height of a test sample is preferably larger than 3mm and smaller than 10mm, the upper plane and the lower plane are parallel, the test surface is smooth, the surface undulation is within a 100nm range, and in order to ensure that the surface of the test sample is smooth, the test surface of the sample is firstly polished by a polishing machine, and then the vibration polishing machine is used for secondary polishing.
3) Determining the overall average hardness of the stone according to the proportion of the phases (the result of figure 2) and the hardness (the measurement results of figures 3, 4 and 5) corresponding to each phase, wherein the overall average hardness of the stone is the weighted sum of the product of the hardness measurement value of each mineral composition in the stone and the mass percentage of the mineral composition in the stone, and the specific calculation formula of the overall average hardness of the stone is as follows:
in the formula:
H nm is the overall average hardness of the stone;
h i is the hardness value of a certain phase i;
p i is the mass percentage of the phase i in the phase composition;
n is the number of all the object phases in the stone, and i is less than or equal to N.
Six different bauxite chamottes were calculated according to the above calculation formula, and the calculation results are shown in table 3 below.
TABLE 3 average hardness (GPa) of different types of bauxite chamottes
| Bauxite chamotte variety | F | E | D | C | B | A |
| Average hardness (GPa) | 78.04 | 75.04 | 66.68 | 58.20 | 45.13 | 39.64 |
(3) Determination of discrete hardness
Finally determining the integral hardness discrete value of the stone according to the obtained average hardness (table 3), the proportion of each phase (figure 2) and the hardness (measurement results of figures 4 and 5) corresponding to each phase, wherein the calculation formula of the integral hardness discrete value of the stone is as follows:
S nm is the integral hardness discrete value of the stone, and the unit is Gpa;
H nm is the overall average hardness of the stone;
H nmi nano-hardness of phase i;
p i the mass percentage of the phase i in the phase composition is shown;
n is the number of all the object phases in the stone, and i is less than or equal to N.
The hardness dispersion values of each of the six bauxite chamottes were determined according to the above formula as shown in Table 4 below.
Table 4 hardness discrete values (GPa).
3. Establishment of wear resistance evaluation index
The measurement results of the hardness dispersion value (Table 4), the average hardness value (Table 3) and the wear resistance value (Table 2) were converted into logarithmic values, and fitted by binary non-regression to obtain a functional relation of
Wherein:
d is the logarithmic value of the wear resistance parameter.
Log of Knm hardness dispersion;
pnm is the logarithmic value of the average nano-hardness;
it can be seen from the established relation that the nano hardness and hardness discrete value and the abrasion resistance value are in a direct proportional relation, namely the larger the nano hardness and hardness discrete value is, the more abrasion-resistant the bauxite chamotte is, and conversely, the less abrasion-resistant the bauxite chamotte is.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. All embodiments need not be, and cannot be, enumerated here. Any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the claims.
Claims (1)
1. A method for evaluating and determining the skid resistance and wear resistance of stone for roads is characterized by comprising the following steps: the stone for the road is bauxite clinker; the method for evaluating and determining the skid resistance and wear resistance of the stone for roads comprises the following steps:
1) The wear rate of the stone for the road is tested by using a friction wear testing machine, and the wear rate of the stone for the road is obtained: testing the friction coefficient and the wear rate of a bauxite clinker test piece by adopting an RTEC friction wear testing machine, wherein the test piece used for testing is prepared by cutting each bauxite clinker block into cuboid small blocks with the length of 30mm, the width of 20mm and the height of 7mm, and cutting each bauxite clinker block into three blocks; the calculation formula of the wear rate of the stone for roads is as follows:
wherein,
ε is the wear resistance of the material;
w is the amount of wear generated by the material per unit time or per unit distance of movement, i.e., the wear rate;
2) Carrying out XRD (X-ray diffraction) pattern analysis on the powder of the bauxite clinker to determine the proportion of phase components in the bauxite clinker;
3) Testing the nano-hardness of different phases of stones for the road by adopting a TI-950 type nano-indenter;
4) Determining the integral average hardness of the stone according to the proportion of each phase and the hardness corresponding to each phase: determining the overall average hardness of the stone material through the weighted sum of the hardness measured value of each mineral component in the stone material and the product of the measured value and the mass percentage of the mineral component in the stone material; the concrete calculation formula of the overall average hardness of the stone is as follows:
in the formula:
H nm is the overall average hardness of the stone;
h i is the nano-hardness value of a certain phase i;
p i is the mass percentage of the phase i in the phase composition;
n is the number of all phases in the stone, i is less than or equal to N;
5) Finally determining the integral hardness discrete value of the stone according to the obtained integral average hardness, the proportion of each phase and the hardness corresponding to each phase; the calculation formula of the integral hardness discrete value of the stone is as follows:
S nm is the discrete value of the overall hardness of the stone in units ofGpa；
H nm Is the overall average hardness of the stone;
H nmi is the nano-hardness value of phase i;
p i the mass percentage of the phase i in the phase composition is shown;
n is the number of all phases in the stone, i is less than or equal to N;
6) Establishing the correlation among the stone wear rate, the integral average hardness value of the stone and the discrete hardness value of the stone, and determining the wear resistance of the stone: the larger the integral average hardness value of the stone and the discrete hardness value of the stone, the more wear-resistant the stone is used: converting the discrete hardness value of the stone, the integral average hardness value of the stone and the measurement result and the calculation result value of the stone wear rate into paired numerical values, fitting by utilizing binary nonlinear regression to obtain a fitting function, and determining the wear resistance of the stone according to the fitting function, wherein the relational expression of the fitting function is as follows:
wherein:
d is the logarithmic value of the wear resistance parameter ε;
K nm is the bulk hardness discrete value S nm A logarithmic value of;
P nm is the overall average hardness H nm The logarithmic value of (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067677.2A CN111238979B (en) | 2020-01-20 | 2020-01-20 | Method for evaluating and determining skid resistance and wear resistance of stone for roads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067677.2A CN111238979B (en) | 2020-01-20 | 2020-01-20 | Method for evaluating and determining skid resistance and wear resistance of stone for roads |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111238979A CN111238979A (en) | 2020-06-05 |
| CN111238979B true CN111238979B (en) | 2023-03-24 |
Family
ID=70869140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067677.2A Active CN111238979B (en) | 2020-01-20 | 2020-01-20 | Method for evaluating and determining skid resistance and wear resistance of stone for roads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111238979B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855454A (en) * | 2020-06-08 | 2020-10-30 | 山西省交通科技研发有限公司 | Method for determining equivalent elastic modulus of bauxite clinker |
| CN112255083A (en) * | 2020-10-21 | 2021-01-22 | 深圳市龙岗大工业区混凝土有限公司 | Concrete wear resistance test system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1043520A1 (en) * | 1982-09-09 | 1983-09-23 | Всесоюзный Научно-Исследовательский Институт Полиграфического Машиностроения | Material wear resistance determination method |
| CN102435519A (en) * | 2011-09-21 | 2012-05-02 | 镇江忆诺唯记忆合金有限公司 | Method for raising surface friction and wear properties by changing loads |
| CN102928334A (en) * | 2012-08-14 | 2013-02-13 | 北京建筑工程学院 | Evaluation method of asphalt mixture antiskid durability |
| JP2016218017A (en) * | 2015-05-26 | 2016-12-22 | 住友ゴム工業株式会社 | Antiwear performance evaluation method of rubber material |
| CN109580407A (en) * | 2018-11-13 | 2019-04-05 | 中国葛洲坝集团公路运营有限公司 | A method of the wear resistance of measurement road surface coarse aggregate |
| CN109632551A (en) * | 2018-12-24 | 2019-04-16 | 长安大学 | A kind of wear hardness parallel test device and test method |
| CN109632550A (en) * | 2018-12-24 | 2019-04-16 | 长安大学 | A kind of wear hardness comparative test device and test method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202305355U (en) * | 2011-10-31 | 2012-07-04 | 中国石油化工股份有限公司 | Rock abrasiveness testing device |
| CN104237003A (en) * | 2014-09-11 | 2014-12-24 | 长沙理工大学 | Tire-type antiskid duration testing clamp for asphalt mixture and application method thereof |
| DE102017204109B4 (en) * | 2017-03-13 | 2019-03-14 | Gühring KG | Use of a doped with foreign atoms diamond layer for detecting the degree of wear of an undoped diamond functional layer of a tool |
| CN106918553B (en) * | 2017-03-26 | 2020-05-12 | 长安大学 | Coarse aggregate anti-skid performance evaluation method based on AIMS aggregate imaging system |
-
2020
- 2020-01-20 CN CN202010067677.2A patent/CN111238979B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1043520A1 (en) * | 1982-09-09 | 1983-09-23 | Всесоюзный Научно-Исследовательский Институт Полиграфического Машиностроения | Material wear resistance determination method |
| CN102435519A (en) * | 2011-09-21 | 2012-05-02 | 镇江忆诺唯记忆合金有限公司 | Method for raising surface friction and wear properties by changing loads |
| CN102928334A (en) * | 2012-08-14 | 2013-02-13 | 北京建筑工程学院 | Evaluation method of asphalt mixture antiskid durability |
| JP2016218017A (en) * | 2015-05-26 | 2016-12-22 | 住友ゴム工業株式会社 | Antiwear performance evaluation method of rubber material |
| CN109580407A (en) * | 2018-11-13 | 2019-04-05 | 中国葛洲坝集团公路运营有限公司 | A method of the wear resistance of measurement road surface coarse aggregate |
| CN109632551A (en) * | 2018-12-24 | 2019-04-16 | 长安大学 | A kind of wear hardness parallel test device and test method |
| CN109632550A (en) * | 2018-12-24 | 2019-04-16 | 长安大学 | A kind of wear hardness comparative test device and test method |
Non-Patent Citations (7)
| Title |
|---|
| 不同岩性集料的抗滑耐磨性能及应用研究;孔令云等;《公路》;20161225(第12期);第35页-40页 * |
| 不同类型沥青混合料抗裂性能的对比分析;吴喜荣;《水利与建筑工程学报》;20160215(第01期);第128页-131页 * |
| 基于灰关联熵分析法的沥青混合料抗裂性能影响因素分析;吴喜荣;《水利与建筑工程学报》;20170415(第02期);第92页-95页 * |
| 温拌阻燃降噪沥青混合料在隧道路面的应用技术;吴喜荣等;《水利与建筑工程学报》;20141215(第06期);第172页-175页 * |
| 砂岩的抗滑耐磨性能试验研究;陈业;《黑龙江科技信息》;20090415(第11期);第177页 * |
| 粗集料的抗滑耐磨性能评价新方法;李菁若等;《公路交通科技》;20161215(第12期);第76页-82页 * |
| 铝矾土熟料耐磨性及其沥青混合料抗滑性能研究;吴喜荣;《CNKI博士电子期刊》;20220215;第34页-90页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111238979A (en) | 2020-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Study of micro-texture and skid resistance change of granite slabs during the polishing with the Aachen Polishing Machine | |
| Skidmore et al. | Dry soil‐aggregate stability: Energy‐based index | |
| CN111238979B (en) | Method for evaluating and determining skid resistance and wear resistance of stone for roads | |
| Wang et al. | A study of the laboratory polishing behavior of granite as road surfacing aggregate | |
| CN110501243B (en) | Asphalt mixture fatigue performance testing method based on rut tester | |
| Kandhal et al. | Aggregate tests related to asphalt concrete performance in pavements | |
| Chen et al. | Fractal and spectral analysis of aggregate surface profile in polishing process | |
| Wang et al. | Modeling and testing of road surface aggregate wearing behaviour | |
| Ugur et al. | Effect of rock properties on the Los Angeles abrasion and impact test characteristics of the aggregates | |
| CN100381818C (en) | Scouring simulation test equipment and method for base course of cracked asphalt pavement from dynamic hydraulic pressure | |
| Masad et al. | Predicting asphalt mixture skid resistance based on aggregate characteristics | |
| Wu et al. | Laboratory and field evaluation of asphalt pavement surface friction resistance | |
| Rezaei et al. | Predicting asphalt mixture skid resistance by aggregate characteristics and gradation | |
| Yavuz et al. | Abrasion resistance of carbonate rocks used in dimension stone industry and correlations between abrasion and rock properties | |
| Uzan | Granular material characterization for mechanistic pavement design | |
| Zheng et al. | Testing and evaluation for long-term skid resistance of asphalt pavement composite seal using texture characteristics | |
| Yu et al. | Characterization and evaluation of coarse aggregate wearing morphology on mechanical properties of asphalt mixture | |
| Ren et al. | Development and testing of a multivariable accelerated abrasion machine to characterize the polishing wear of pavement by tires | |
| Wang et al. | Influence of freeze–thaw on the polishing resistance of coarse aggregates on road surface | |
| He et al. | Experimental study on the high-speed frictional behavior between the tire and asphalt pavement | |
| Zhao et al. | Skid resistance of cement concrete pavement in highway tunnel: a review | |
| CN207570950U (en) | A kind of equipment for being used to detecting and evaluating coarse aggregate abrasion and polished performance | |
| CN109632550A (en) | A kind of wear hardness comparative test device and test method | |
| Nitta et al. | Evaluating the polishing properties of aggregates and bituminous pavement surfaces by means of the Penn State Reciprocating Polishing Machine | |
| Wang et al. | Designing a skid-resistant and durable asphalt mixture based on the stress concentration distribution rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230803 Address after: 030032 No.27, Wuluo street, economic and Technological Park, Xiaodian District, Taiyuan City, Shanxi Province Patentee after: Shanxi Transportation Technology Research and Development Co.,Ltd. Patentee after: Shanxi Dacheng Expressway Co.,Ltd. Address before: 030032 No.27, Wuluo street, Xiaodian District, Taiyuan City, Shanxi Province Patentee before: Shanxi Transportation Technology Research and Development Co.,Ltd. |
|
| TR01 | Transfer of patent right |