CN103258298A - Method for assessing safety of open pit coal mine - Google Patents
Method for assessing safety of open pit coal mine Download PDFInfo
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- CN103258298A CN103258298A CN2013100878488A CN201310087848A CN103258298A CN 103258298 A CN103258298 A CN 103258298A CN 2013100878488 A CN2013100878488 A CN 2013100878488A CN 201310087848 A CN201310087848 A CN 201310087848A CN 103258298 A CN103258298 A CN 103258298A
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Abstract
The invention discloses a method for assessing safety of an open pit coal mine. The method for assessing the safety of the open pit coal mine is characterized by comprising a first step of dividing factors into two hierarchies through the analytic hierarchy process and determining the weight of each hierarchy through calculation, a second step of conducting safety rating on each influencing factor of the open pit coal mine by experts and calculating safety rating ratio of all factors, and a third step of conducting analysis and evaluation on the safety situation of the open pit coal mine under the action of the influencing factors according to the extension analysis principle through the obtained weight of the influencing factors and safety levels. The method for assessing the safety of the open pit coal mine mainly comprises the following steps of establishing safety assessment scheme of the open pit coal mine, obtaining the weight through the analytic hierarchy process and assessing the current safety situation through extension analysis. The method for assessing the safety of the open pit coal mine can be widely applied to the safety assessment of the open pit coal mines.
Description
Technical field
The present invention relates to The safety evaluation problem of surface mine,
Particularly relate to But the method for using step analysis and extension analysis to combine is carried out safety evaluation to surface mine.
Background technology
Safety of Coal Mine Production is concerning worker's safety of life and property, and rapidity, the accuracy of the safety evaluation of mining site present situation have great significance to production.The security in minery is the result of multifactor combined action, and therefore, the method for safety evaluation also is the analytical approach of comprehensive evaluation.At present, safe evaluation method commonly used both at home and abroad has tens of kinds, and it respectively has relative merits.Can open up to learn and start from the transformation rule of inconsistent problem and the research of solution.It is that the basis is set up matter-element model and described contradictory problems with the matter-element, be foundation with the matter-element extensibility, with the means of matter-element conversion as the problem of resolving contradiction, and can open up in the set, by setting up correlation function the quantitative change and qualitative change process of things is quantitatively described, namely utilizes and to open up the territory and zero bound component carries out the description of quantification to the quantitative change and qualitative change of things.It can describe the changeability of things, and the qualitative description of right and wrong is developed into quantitative description, also provides a new approach for the judge problem that solves grade.In the research according to the safety standard of Coal Mine Security Evaluation and each key element of safety evaluation, constructed the safety evaluation of ore deposit factory classical matter-element and joint territory matter-element, application can be opened up comprehensive evaluation method, set up the mine safety comprehensive evaluation model of many indexs, by calculating its degree of association, provide quantitative numerical value evaluation result.
Summary of the invention
The problem that exists in the safety evaluation process at surface mine, but the present invention proposes a kind of method of using step analysis and extension analysis to combine is carried out safety evaluation to surface mine method.
1. the foundation of mine safety Present assessment index system
The iron ore Study on Safety Assessment is to liking the safety problem of whole production system, and the factor in its security status assessment indicator system system connects each other, mutual restriction, and whether choosing of evaluation index suits directly to influence evaluation result.Therefore to take all factors into consideration several Control indexs such as gas, country rock, top board, water damage, extract Anshan iron and steel plant Mining Group iron ore safety case as the general objective layer, wherein hydrogeology, technical equipment, peopleware, safety education, Environmental security, manage 6 of levels etc. as two-level index, as shown in Figure 1.
2. the evaluation method that combines of step analysis and Set Pair Analysis
Utilize analytical hierarchy process that factor is divided into two levels, by calculating the weight of determining two-layer index respectively.By the expert each influence factor in this ore deposit is carried out safe grading then, calculate each factor ratio of grading safely.Last weight and safe class by the influence factor that obtains above, but use the extension analysis principle that this ore deposit security situation under these influential factors is carried out assay.Detailed process is seen embodiment.
Description of drawings
Fig. 1 iron ore Safety Index System Assessment.
Embodiment
When utilization AHP method is estimated and made a strategic decision, can be divided into following steps substantially:
1) relation between each fundamental in the analysis and evaluation system, that sets up system passs stratum's aggregated(particle) structure.
2) each element of same level importance about a certain criterion in the last layer time is compared in twos, structure is judgment matrix relatively in twos.
3) consistency check of judgment matrix.Judgment matrix is carried out consistency check, whether reasonable to determine weight allocation.Check is public
In the formula 3,
Consistency Ratio at random for judgment matrix; Be the mean random coincident indicator, 1～9 rank judgment matrix
See Table 1;
Be the general coincident indicator of judgment matrix, namely
When Consistency Ratio at random
, think that judgment matrix has satisfied consistance at＜0.10 o'clock.
4) be compared element for the relative weighting of this criterion by judgment matrix calculating, i.e. the single order of level.
5) calculate each layer key element to synthetic (always) weight of system's purpose (general objective), and each alternatives is carried out the total ordering of level and consistency check.
Table 1 mean random coincident indicator
RIValue
| n | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| RI | 0.00 | 0.00 | 0.58 | 0.90 | 1.12 | 1.24 | 1.32 | 1.41 | 1.45 |
Mine safety present situation influence factor is passed stratum's aggregated(particle) structure such as Fig. 1.Judgment matrix is the primary structure of analytical hierarchy process, also is to carry out the important evidence that relative significance level (weight) is calculated between index.Requirement according to analytical hierarchy process, make the form that each layer index compares between any two, adopt by index significance level 1～9 and Scale Method reciprocal thereof, by analysis, factual survey and expert's scoring, weigh each index relative significance level between any two, the structure judgment matrix.
Obtain two-level index (B layer) judgment matrix ordering index weight calculation and check as shown in table 2 according to above step.
Three grades of indexs (C layer) judgment matrix ordering index weight calculation and check as shown in table 3.
Be example with certain mine safety present situation now, adopt the step analysis evaluation assessment that it is carried out the general safety Present assessment.Mark according to the expert, mostly be the expert each index is marked, according to the regulation of table 4 expert is given a mark then and conclude safe class, at last will be to expert's number of each opinion rating of identical index divided by sum, obtain the safe class mark of an evaluation index, as shown in table 5.
Table 4 safe class weighted value and standard score value
Table 5 iron ore security status comprehensive evaluation index and can open up the degree of association
Utilization can be opened up basic theories iron ore present situation safe class is determined, based on mostly being the safety evaluation value matrix (table 5 safe class part) that the marking of expert to colliery to be evaluated (matter-element to be evaluated) forms, to the final safe class of determining each influence factor.
The matter-element of security of system is defined as
Wherein, R represents matter-element, and N represents things (influence factor safe class), and C represents things feature (influence factor), and V represents the amount territory (influence factor safe class value scope) of things feature.If
, namely
Be m and levy matter-element together, then constitute the isomorphism variable matrix
In conjunction with determining of this routine characteristic element.Represent with N: N={ is dangerous, and is more dangerous, and Generally Recognized as safe is safer, very safe }.Semantic description is as shown in table 6.
Table 6 semantic description table
| Semantic | Dangerous | More dangerous | Generally Recognized as safe | Safer | Very safe |
| Scoring is interval |
 |
? |
 |
 |
 |
If
Be
The same matter-element body of levying, then classical territory is
,
Be about
The span of amount.Then saving the territory accordingly is
, P represents all of safety factor,
Be about
The span of amount.
In this example, classical territory is:
Determine nodes domains, owing to mark exists, so nodes domains
Influence factor is estimated marking respectively, and represent matter-element to be evaluated with matter-element R.
, P is the level of security of ore deposit to be evaluated factory, R is ore deposit to be evaluated factory,
The expression factor,
Represent the safety evaluation value (expert's marking value (table 5 safe class part)) of corresponding factor.
Expert's marking is neutralized:
Obtain matter-element to be evaluated (ore deposit factory) model of this example:
The one-level weight be multiply by the secondary weight obtains total weight:
For j security implication factor about safe class
The degree of association be: (i=1,2 ..., n; J=1,2 ..., m)
Wherein,
According to the following formula computationally secure grade degree of association
, as shown in table 7.
Table 7 safe class association table
As shown in Table 7,
So the safe class in this colliery is Generally Recognized as safe.
Claims (9)
1. open coal mine safe evaluation method,
It is characterized in that, Utilize analytical hierarchy process that factor is divided into two levels, by calculating the weight of determining two-layer index respectively, by the expert each influence factor in this ore deposit is carried out safe grading then, calculate each factor ratio of grading safely, last weight and safe class by the influence factor that obtains above, but use the extension analysis principle that this ore deposit security situation under these influential factors is carried out assay;
It comprises the steps: Set up open coal mine safety evaluation scheme, use analytical hierarchy process to obtain weight, but the use extension analysis is estimated security status;
The present invention can be used for The open coal mine safety evaluation.
2.
Upright open coal mine safety evaluation scheme according to claim 1 is characterized in that, Field of opencast mining security implication factor stratification, and the particular content of factor comprise: geologic condition, technical equipment, peopleware, safety education, Environmental security, management level.
3.
Geologic condition according to claim 2 is characterized in that, Comprise: situation, hydrogeology, roof and floor structure, the gas situation of depositing composed in the city, ore deposit.
4.
Technical equipment according to claim 2 is characterized in that, Comprise: mechanization level, equipment configurations situation, plant maintenance.
5.
Peopleware according to claim 2 is characterized in that, Comprise: structure of personnel, technical merit, educational level, awareness of safety.
6.
Safety education according to claim 2 is characterized in that, Comprise: safety training, routine safety education, special work post training before educational plan enforcement, the hilllock.
7.
Environmental security according to claim 2 is characterized in that, Comprise: noise control, daylighting illumination, venting practice, air quality.
8.
Management level according to claim 2 is characterized in that, Comprise: leader's awareness of safety, safe input, safe early warning, accident treatment.
9.
Upright open coal mine safety evaluation scheme according to claim 1 is characterized in that, Utilize analytical hierarchy process that factor is divided into two levels, by calculating the weight of determining two-layer index respectively; By the expert each influence factor in this ore deposit is carried out safe grading then, calculate each factor ratio of grading safely; Last weight and safe class by the influence factor that obtains above, but use the extension analysis principle that this ore deposit security situation under these influential factors is carried out assay.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637022A (en) * | 2013-11-14 | 2015-05-20 | 辽宁工程技术大学 | Method of evaluating safety status of railway level crossing |
| CN106021873A (en) * | 2016-05-11 | 2016-10-12 | 吉林大学 | Mine geological environment assessment method |
| CN106897555A (en) * | 2017-02-22 | 2017-06-27 | 辽宁工程技术大学 | A kind of evaluation method of open coal mine gaseous environment |
| CN107103193A (en) * | 2017-04-21 | 2017-08-29 | 南京理工大学 | A kind of determination method of city rail vehicle wheelset profile testing result confidence level |
| CN107248035A (en) * | 2017-06-06 | 2017-10-13 | 上海阳关网络信息技术有限公司 | A kind of enterprise safety operation status evaluation system |
| CN110135760A (en) * | 2019-05-24 | 2019-08-16 | 贵州大学 | A kind of safety of coal mines method for evaluating state based on variable-weight theory model |
| CN111429026A (en) * | 2020-04-14 | 2020-07-17 | 西安热工研究院有限公司 | Method for evaluating performance of electric shovel of strip mine |
| CN113822503A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Safety evaluation method and device for underground facilities of gas storage reservoir and electronic equipment |
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| JP2005025609A (en) * | 2003-07-04 | 2005-01-27 | Fujitsu Support & Service Kk | Method and system for calculating output of mineral resource |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637022A (en) * | 2013-11-14 | 2015-05-20 | 辽宁工程技术大学 | Method of evaluating safety status of railway level crossing |
| CN106021873A (en) * | 2016-05-11 | 2016-10-12 | 吉林大学 | Mine geological environment assessment method |
| CN106021873B (en) * | 2016-05-11 | 2018-07-06 | 吉林大学 | The Assessment Methods for Mine Geological Environment |
| CN106897555A (en) * | 2017-02-22 | 2017-06-27 | 辽宁工程技术大学 | A kind of evaluation method of open coal mine gaseous environment |
| CN107103193A (en) * | 2017-04-21 | 2017-08-29 | 南京理工大学 | A kind of determination method of city rail vehicle wheelset profile testing result confidence level |
| CN107248035A (en) * | 2017-06-06 | 2017-10-13 | 上海阳关网络信息技术有限公司 | A kind of enterprise safety operation status evaluation system |
| CN110135760A (en) * | 2019-05-24 | 2019-08-16 | 贵州大学 | A kind of safety of coal mines method for evaluating state based on variable-weight theory model |
| CN111429026A (en) * | 2020-04-14 | 2020-07-17 | 西安热工研究院有限公司 | Method for evaluating performance of electric shovel of strip mine |
| CN111429026B (en) * | 2020-04-14 | 2023-02-07 | 西安热工研究院有限公司 | Method for evaluating performance of electric shovel of strip mine |
| CN113822503A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Safety evaluation method and device for underground facilities of gas storage reservoir and electronic equipment |
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Application publication date: 20130821 |