CN113433012A - Health assessment method for ceramic cultural relics - Google Patents
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- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 claims description 2
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 claims description 2
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- 230000000875 corresponding effect Effects 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 2
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- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention discloses a health assessment method of ceramic cultural relics, which comprises the steps of determining self health factors according to the unearthed state of the ceramic cultural relics, obtaining the measured value of each health factor, establishing a health radar map according to each measured value and taking the radar map as a measurement and assessment basis, then determining main health factors, applying the main factors to an averaging number sequence and carrying out difference calculation, carrying out correlation calculation according to the difference number sequence obtained by difference calculation, then giving weights to each health factor and combining the correlation result to determine the health of the ceramic cultural relics. And the health grade of the ceramic cultural relics is quickly and accurately evaluated by adopting an intuitive analysis method and a gray correlation degree and multilayer analysis coupling method.
Description
Technical Field
The invention relates to the technical field of ceramic cultural relic health assessment, in particular to a health assessment method of ceramic cultural relics.
Background
The ceramic cultural relics are used as witnesses and physical carriers of historical culture and have extremely high historical, artistic and scientific values. However, the method is not ideal for preserving the ceramic cultural relics due to different manufacturing processes of the ceramic cultural relics and the influence of natural and artificial factors on the unearthed cultural relics. The cultural relic protection work and the cultural relic repair work are particularly important, in order to better protect the cultural relics, the health grade assessment of the unearthed cultural relics is an indispensable work, and different extraction means are adopted according to the assessed grade, so that the cultural relics can be more effectively protected.
The health assessment of the ceramic cultural relics is a basic work for protecting, managing and utilizing the ceramic cultural relics, and a normative, reasonable and orderly cultural relic health grade assessment system is a very urgent work to be constructed according to the development of archaeological work and the problems existing at the present stage.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for evaluating the health of ceramic cultural relics, which evaluates the ceramic cultural relics and adopts different extraction means according to the evaluation grade, thereby more effectively protecting the cultural relics.
The invention is realized by the following technical scheme:
a health assessment method of ceramic cultural relics comprises the following steps:
step 2, processing the measured values of all the health factors to obtain an equalized number sequence;
and 3, applying main factors in the health factors to the averaged number series, performing difference calculation, calculating the correlation degree according to the difference number series obtained by the difference calculation, giving weights to the health factors, and determining the health degree of the ceramic cultural relics by combining the correlation degree results.
Preferably, the health factors include carcass hardness, moisture content, flour, cracks and color difference.
Preferably, the value of each health factor is measured as follows:
the hardness of the tire body is measured by a Shore hardness tester, the water content of the tire body is measured by a moisture meter, the degree of crisp powder is measured by a nonmetal ultrasonic detector, the crack is shot and measured by a DRX ray DR system, and the chromaticity difference is measured by a colorimeter.
Preferably, the measured values of the health factors are correlated and averaged in step 2 to obtain an averaged sequence.
Preferably, the determination method of the main health factor in step 3 is as follows:
the health factor with the greatest damage to the cultural relics is taken as a main factor, and other factors are taken as secondary factors. Preferably, the method for calculating the health degree in step 3 is as follows:
WXD＝aX1+bX2+cX3+dX4……zXn
wherein a, b, c and d are the weight of each health factor respectively; x1, X2, X3 and X4 are health grade numbers corresponding to all the health factors of the ceramic cultural relics.
Preferably, the step 3 is followed by a step of selecting a method for extracting the ceramic cultural relics according to the health degree.
Preferably, the extraction method comprises sealing bag extraction, plaster bandage extraction, casing extraction and thin-film lotus alcohol reinforcement.
Preferably, in step 2, a health radar map is constructed according to the averaged sequence, and the health degree of the ceramic cultural relics is determined according to the area occupied by each health factor of the health radar map.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a health assessment method of ceramic cultural relics, which comprises the steps of determining self health factors according to the unearthed state of the ceramic cultural relics, obtaining the measured value of each health factor, establishing a health radar map according to each measured value and using the radar map as a measurement and evaluation basis, then determining main health factors, applying the main factors to an averaging number sequence and carrying out difference calculation, carrying out correlation calculation according to the difference number sequence obtained by the difference calculation, then giving weights to the health factors and combining the correlation results to determine the health of the ceramic cultural relics. The method adopts two methods of an intuitive analysis method and a gray correlation degree multilayer analysis coupling method to quickly and accurately evaluate the health grade of the ceramic characters.
Drawings
FIG. 1 is a flow chart of an evaluation method of the present invention;
fig. 2 is a healthy radar chart of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
Referring to fig. 1, a method for health assessment of ceramic relics comprises the following steps:
The health factors include carcass hardness, moisture content, flour degree (caused by temperature and humidity change), cracks and chromaticity difference.
And 2, acquiring the measured values of the health factors.
The hardness of the tire body is measured by a Shore hardness tester, the water content of the tire body is measured by a testo 606-moisture meter, the degree of crisp powder is measured by a nonmetal ultrasonic detector, the crack is measured by photographing by a DRX ray DR system, and the chromaticity difference is measured by a colorimeter.
The specific measurement method is as follows:
measurement of carcass hardness: and measuring 8-9 points of the positions of the unearthed terracotta figurines without attached soil on the surface layer by using an A-type shore durometer to obtain an average value so as to obtain the hardness of the matrix of the terracotta figurines.
Measuring the water content of the tire body: the water content of the carcasses of the crockery was measured using a testo606 moisture meter.
And (3) measuring the crisp powder degree: the ZBL-U510 nonmetal ultrasonic detector measures.
And (3) measuring cracks: and a DRX ray system, wherein fracture proportion is calculated by using Auto-CAD software.
And measuring the chromaticity difference by using a handheld colorimeter.
And 3, carrying out correlation and averaging processing on the measured values of the health factors to obtain an averaged sequence.
And 4, drawing a healthy radar map according to the averaged sequence.
And 5, further determining main health factors and other factors according to all the health factors determined in the step 2. The health factor with the greatest damage to the cultural relics is taken as a main factor, and other factors are taken as secondary factors.
And 6, applying the main factors to the equalized number sequence in the step 3 and carrying out difference calculation to obtain a difference number sequence.
And 7, calculating the correlation degree according to the difference sequence, giving weight to each health factor and determining the health degree of the ceramic cultural relics by combining the correlation degree result.
The health degree is calculated as follows:
WXD＝aX1+bX2+cX3+dX4……zXn
wherein a, b, c and d are artificial weights of the health factors respectively; x1, X2, X3 and X4 are health grade numbers corresponding to all the health factors of the ceramic cultural relics, and the higher the health grade of the ceramic cultural relics is; the greater the value of health, the higher the health grade of the ceramic cultural relic.
And 8, selecting an extraction method of the ceramic cultural relics according to the health degree.
The extraction method comprises sealed bag extraction, plaster bandage extraction, casing extraction, and menthol reinforcement.
Example 1
The evaluation method of the invention is illustrated by 8 terracotta soldiers unearthed from M1 pit in Shaanxi Yangyang.
According to the main diseases of the pottery waitress cultural relics unearthed from Shaanxi Yangyang, the following health factors are determined:
1. as the humidity of the coffin chamber is high, the ceramic cultural relics are often mixed with the soil layer when unearthed, the matrix hardness is low, and the extraction of the cultural relics is greatly influenced, the matrix hardness is taken as a health factor 1.
2. After the soil is excavated, the matrix can be peeled off and crumbled due to the evaporation of water. The water content of the carcass is set as a health factor 2.
3. The colored drawing pottery of the Tang tomb unearthed from Shaanxi Yangyang has large-area filling soil, the existence of the soil has great influence on cultural relic bodies, and the filling soil area is used as a health factor 3.
The four health factors were measured as shown in Table 1 below
| Health factor | Name (R) | Test |
| Health factor | ||
| 1 | Hardness of tyre body | A type shore hardness instrument |
| Health factor 2 | Water content ratio | Testo moisture meter |
| Health factor 3 | Ratio of filled area | X-ray DR system photographing and Auto-CAD measuring area ratio |
Table 1 identification and measurement of health factors the individual health of individual maid figures is therefore measured with the following data in table 2:
TABLE 2 raw data for health factors
The data obtained by performing correlation analysis and averaging on the measured raw data are shown in table 3.
| Hardness of | Fill rate | Water content | |
| Ceramic figurines | |||
| 1 | 0.912416429 | 1.209821429 | 1.105645161 |
| Pottery figurines 2 | 1.124895299 | 1.209821429 | 1.07109375 |
| Ceramic figurines 3 | 0.925940027 | 0.752777778 | 1.07109375 |
| Pottery figurines 4 | 0.852839499 | 0.769886364 | 1.490217391 |
| Pottery figurines 5 | 1.074821437 | 0.967857143 | 0.735515021 |
| Pottery figurines 6 | 1.002086411 | 1.472826087 | 0.844211823 |
| Pottery figurines 7 | 1.126235475 | 1.302884615 | 0.816071429 |
| Pottery figurines 8 | 0.980765423 | 0.806547619 | 1.269444444 |
TABLE 3 number series after equalization
And (3) participating in fig. 2, and plotting the obtained data into a health level radar by using excel, wherein the larger the area of the radar map in the radar map is, the higher the health level of the cultural relic is.
Determining the main health factor and the secondary factor causing the health degree of the pottery, and selecting hardness as the main health factor. The difference sequence was calculated from the averaged sequence obtained in table 3 (the two factor averaged sequences were subtracted), and the difference sequence is shown in table 4.
| Hardness of | Fill rate | Water content | |
| Ceramic figurines | |||
| 1 | 0.297405 | 0.193229 | |
| Pottery figurines 2 | 0.084926 | 0.053802 | |
| Ceramic figurines 3 | 0.173162 | 0.145154 | |
| Pottery figurines 4 | 0.082953 | 0.637378 | |
| Pottery figurines 5 | 0.106964 | 0.339306 | |
| Pottery figurines 6 | 0.470740 | 0.157875 | |
| Pottery figurines 7 | 0.176649 | 0.310164 | |
| Pottery figurines 8 | 0.174218 | 0.288679 |
TABLE 4 Difference sequence
The specific calculation of the relevance is as follows: solving the maximum value and the minimum value of the difference sequence; substitution formula: (max + ρ × min)/(I + ρ × min), ρ ∈ [0, 1], where ρ is 0.5, yielding the association table 5. The results show that: correlation degree fill rate > Water content with respect to hardness health factor
| Hardness of | Fill rate | Water content | |
| Ceramic figurines | |||
| 1 | 1.600221124 | 1.960869994 | |
| Pottery figurines 2 | 2.560889766 | 2.807805276 | |
| Ceramic figurines 3 | 2.049857859 | 2.188483739 | |
| Pottery figurines 4 | 2.575245402 | 1 | |
| Pottery figurines 5 | 2.410779378 | 1.489995955 | |
| Pottery figurines 6 | 1.225263667 | 2.123268094 | |
| Pottery figurines 7 | 2.033819442 | 1.564968549 | |
| Pottery figurines 8 | 2.044976061 | 1.625259363 | |
| Mean value of | 2.062631587 | 1.845081371 | |
| Standard deviation of | 0.439965129 | 0.512663443 | |
| Mean + standard deviation | 2.502596716 | 2.357744814 | |
| Mean-standard deviation | 1.622666459 | 1.332417928 | |
| Degree of association | 4.125263175 | 3.690162743 |
TABLE 5 relevance Table
Next, grade evaluation was performed to obtain a health grade table 6 for each pottery. Calculating formula health degree: WXD is aX1+ bX2+ cX3+ dX4 … … (wherein a, b, c, d, etc. are artificial weights; X1, X2, X3, X4, etc. are grades corresponding to each index of the pottery figurines. the weight values used herein are 50% for hardness 1, 30% for filling rate 2 and 20% for water content 3).
| Name (R) | Hardness of | Grade | Hollow rate | Grade | Water content ratio | Grade | Degree of |
| Ceramic figurines | |||||||
| 1 | 74.89 | 3 | 0.28 | 4 | 3.1 | 3 | 3.3 |
| Pottery figurines 2 | 92.33 | 4 | 0.28 | 4 | 3.2 | 3 | 3.8 |
| Ceramic figurines 3 | 76 | 3 | 0.45 | 2 | 3.2 | 3 | 2.7 |
| Pottery figurines 4 | 70 | 3 | 0.44 | 2 | 2.3 | 4 | 2.9 |
| Pottery figurines 5 | 88.22 | 3 | 0.35 | 3 | 4.66 | 2 | 2.8 |
| Pottery figurines 6 | 82.25 | 3 | 0.23 | 4 | 4.06 | 2 | 3.1 |
| Pottery figurines 7 | 92.44 | 4 | 0.26 | 2 | 4.2 | 2 | 3 |
| Pottery figurines 8 | 80.5 | 3 | 0.42 | 2 | 2.7 | 4 | 2.9 |
TABLE 6 health degree rating Table
The result of both methods is that the larger the area of the radar map, the higher the health grade of the ceramic cultural relics; the greater the value of health, the higher the health grade of the ceramic cultural relic.
And different extraction modes are provided according to the ceramic cultural relics with different health degrees, which is shown in the table 7.
TABLE 7 modes of extraction
The health assessment method of the method is based on the existing state of unearthed ceramic cultural relics and the diseases generated by a mining mode, combines the technical specification of movable cultural relic disease assessment and the certification of the diseases of the ceramic cultural relics by the ceramic cultural relics (2014, industry standard WW/T0056-: stabilize diseases, move diseases and induce diseases. Wherein the existence of stable diseases does not influence the stability of the cultural relics. Such as: and (4) peeling off. The active diseases and inducible diseases are the key points for evaluating the cultural relics and are also the key points. Mainly comprises the following steps: crisp powder, cracks, warping, discoloration, and the like. And evaluating the unearthed current situation and the excavation mode to determine N objective evaluation parameters and X subjective evaluation parameters. Wherein, the N items of objective evaluation parameters and the measuring mode are as follows: n subjective evaluation parameters such as the hardness of the matrix, the water content of the matrix, the degree of crisp powder, the chromaticity difference and the like (4 of the parameters are determined evaluation parameters, and the rest are reasonably added according to the characteristics of the unearthed pottery, such as the hollow rate of the closed-mould pottery and the cracks of the pottery), and X is an evaluation value of 1 or more expert experiences. An evaluation method combining subjectivity and objectivity is used to form an 'N + X' pottery health evaluation parameter system. According to the provided evaluation parameters, a rapid, convenient and reasonable test means is adopted for measurement, test data is obtained for data analysis, and the patent adopts two methods of a visual analysis method (a healthy radar chart) and a gray correlation degree and multilayer analysis coupling method for health grade evaluation.
The above-mentioned contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical solution according to the technical idea proposed by the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. A health assessment method for ceramic cultural relics is characterized by comprising the following steps:
step 1, determining health factors of a unearthed state of the ceramic cultural relics and obtaining values of the health factors;
step 2, processing the measured values of all the health factors to obtain an equalized number sequence;
and 3, applying main factors in the health factors to the averaged number series, performing difference calculation, calculating the correlation degree according to the difference number series obtained by the difference calculation, giving weights to the health factors, and determining the health degree of the ceramic cultural relics by combining the correlation degree results.
2. The method as claimed in claim 1, wherein the health factors include carcass hardness, moisture content, crunchy powder, cracks and color difference.
3. The method for health assessment of ceramic relics, according to claim 2, wherein the value of each health factor is measured as follows:
the hardness of the tire body is measured by a Shore hardness tester, the water content of the tire body is measured by a moisture meter, the degree of crisp powder is measured by a nonmetal ultrasonic detector, the crack is shot and measured by a DRX ray DR system, and the chromaticity difference is measured by a colorimeter.
4. The method as claimed in claim 2, wherein the correlation and averaging process is performed on the measured values of the health factors in step 2 to obtain an averaged sequence.
5. The method for assessing the health of a ceramic cultural relic, according to claim 2, wherein the determination method of the main health factor in the step 3 is as follows:
the health factor with the greatest damage to the cultural relics is taken as a main factor, and other factors are taken as secondary factors.
6. The method for evaluating the health of a ceramic cultural relic according to claim 1, wherein the health degree in the step 3 is calculated as follows:
WXD＝aX1+bX2+cX3+dX4……zXn
wherein a, b, c and d are the weight of each health factor respectively; x1, X2, X3 and X4 are health grade numbers corresponding to all the health factors of the ceramic cultural relics.
7. The method as claimed in claim 1, further comprising the step of selecting an extraction method of the ceramic cultural relics according to the degree of health after the step 3.
8. The method for health assessment of ceramic cultural relics, according to claim 7, wherein the extraction method comprises sealing bag extraction, plaster bandage method, casing extraction method and menthol reinforcement.
9. The method as claimed in claim 1, wherein in step 2, a health radar map is constructed according to the averaged sequence, and the health degree of the ceramic cultural relics is determined according to the area occupied by each health factor of the health radar map.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018736A (en) * | 2021-11-14 | 2022-02-08 | 荆州文物保护中心 | Health condition assessment method for silk cultural relics |
| CN114047086A (en) * | 2021-11-11 | 2022-02-15 | 陕西科技大学 | Rapid nondestructive visual health assessment method for unearthed bamboo and wooden ware cultural relics |
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