CN107067176A - A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect - Google Patents

A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect Download PDF

Info

Publication number
CN107067176A
CN107067176A CN201710249624.0A CN201710249624A CN107067176A CN 107067176 A CN107067176 A CN 107067176A CN 201710249624 A CN201710249624 A CN 201710249624A CN 107067176 A CN107067176 A CN 107067176A
Authority
CN
China
Prior art keywords
mrow
factor
consolidation effect
grouting consolidation
influence
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.)
Pending
Application number
CN201710249624.0A
Other languages
Chinese (zh)
Inventor
李鹏飞
陈秀艳
刘启蒙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui University of Science and Technology
Original Assignee
Anhui University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN201710249624.0A priority Critical patent/CN107067176A/en
Publication of CN107067176A publication Critical patent/CN107067176A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/18Methods of underground mining; Layouts therefor for brown or hard coal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0639Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/02Agriculture; Fishing; Forestry; Mining

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Human Resources & Organizations (AREA)
  • Strategic Management (AREA)
  • Economics (AREA)
  • Mining & Mineral Resources (AREA)
  • Entrepreneurship & Innovation (AREA)
  • General Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Educational Administration (AREA)
  • Development Economics (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • Agronomy & Crop Science (AREA)
  • Operations Research (AREA)
  • Primary Health Care (AREA)
  • Animal Husbandry (AREA)
  • General Health & Medical Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Game Theory and Decision Science (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a kind of multifactor AHP integrated evaluating methods of tomography slip casting effect, including:The influence factor of influence grouting consolidation effect is concluded, hierarchical structure model is set up;Influence grouting consolidation effect factor is counted, calculated, average value Judgement Matricies are utilized;According to Judgement Matricies, grouting and reinforcing evaluation index priority weighting is determined;By grouting consolidation effect horizontal division grade, and make qualitative and quantitative description;According to opinion rating collection, grouting consolidation effect is evaluated.The present invention influences the principal element of grouting consolidation effect by concluding, set up hierarchical structure model, based on analytic hierarchy process, mark off rational slip casting effect hierarchical level, and then compare opinion rating collection, the evaluation tomography grouting consolidation effect of combination of qualitative and quantitative analysis, and the present invention is simple to operate rationally, it is easy to practical application.

Description

A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect
Technical field
The present invention relates to coal measures pressure-bearing tomography slip casting effect assessment technique field, and in particular to a kind of tomography slip casting effect is more Factor AHP integrated evaluating methods.
Background technology
Tomography grouting and reinforcing is that slurries are extruded or penetrated into crack in the presence of pump pressure, after slurry consolidation, with solid Form is filled in crack and consolidated with rock mass, and the material of these fillings forms new network skeleton structure, network in rock mass It is then uniformly densely rock mass on the inside of skeleton, forming the filler of network skeleton has preferably elastic bond strength, in phase With under stress, rock mass strength reaches capacity state during non-slip casting;And the rock mass after slip casting is in stable state, self-supporting can have Improved.
Equally, it is also and its an important link to be evaluated at present for slip casting effect slip casting effect evaluate Method mainly has water comparison method before and after slip casting, method of taking a sample to check, drilling detection method, radio wave penetration method, PST methods etc., this The most actual evaluation of a little methods is more complicated, and quantities is larger, evaluates influence factor more, it is impossible to more preferable rationally visual evaluation Slip casting effect
The content of the invention
1. the purpose of the present invention
In consideration of it, there is provided a kind of qualitative and quantitative evaluation note for the deficiency of the invention for tomography slip casting effect assessment technique The method for starching consolidation effect.
2. technical scheme
To achieve the above object, the multifactor AHP integrated evaluating methods of a kind of tomography slip casting effect of the invention, this method bag Include:Step A, concludes the influence factor of influence grouting consolidation effect, sets up hierarchical structure model;Step B, to influence slip casting Consolidation effect factor is counted, calculated, and utilizes average value Judgement Matricies;Step C, according to Judgement Matricies, it is determined that Grouting and reinforcing evaluation index priority weighting;Step D, by grouting consolidation effect horizontal division grade, and makees qualitative and quantitatively retouches State;Step E, according to opinion rating collection, is evaluated grouting consolidation effect.
The present invention influences the principal element of grouting consolidation effect by concluding, and hierarchical structure model is set up, based on layer Secondary analysis theories, mark off rational slip casting effect hierarchical level, and then compare opinion rating collection, combination of qualitative and quantitative analysis Tomography grouting consolidation effect is evaluated, and the present invention is simple to operate rationally, it is easy to practical application.
Brief description of the drawings
It, for further explanation of the present invention, is the part of the application to be used for the accompanying drawing that illustrates herein to be, But the present invention can not be limited.
Fig. 1 is the multifactor AHP integrated evaluating methods flow chart of tomography slip casting effect of the present invention.
Fig. 2 is the hierarchical structure model figure of present example grouting consolidation effect.
Specific embodiment
Below in conjunction with the accompanying drawings and the example applied of the present invention, the present invention is further described.
Fig. 1 is the multifactor AHP integrated evaluating methods flow chart of tomography slip casting effect of the present invention.As shown in figure 1, this method bag Include:
Step A, concludes the influence factor of influence grouting consolidation effect, sets up hierarchical structure model;
Step B, is counted to influence grouting consolidation effect factor, is calculated, utilize average value Judgement Matricies;
Step C, according to Judgement Matricies, determines grouting and reinforcing evaluation index priority weighting;
Step D, by grouting consolidation effect horizontal division grade, and makees qualitative and quantitative description.
Step E, according to opinion rating collection, is evaluated grouting consolidation effect.
Below in conjunction with instantiation, above-mentioned each step is explained.
Step A, concludes the influence factor of influence grouting consolidation effect, sets up hierarchical structure model.
In present example, the principal element of influence grouting consolidation effect is summarized as 7 aspects:Water, water temperature, slip casting Pressure, water absorption rate, physical prospecting achievement, P-Q tracing analysis and boring and coring inspection afterwards.Based on to this grouting consolidation effect evaluate, 7 main aspects are summarized as quantitative analysis judgement and drillhole validation judges two partial objectives for.Two partial objectives for layer again respectively by The influence of individual next level factor, is specifically shown in Fig. 2.
In fig. 2, top (general objective layer) is grouting consolidation effect evaluation (A);Partial objectives for layer (B) includes 2 factors, I.e. quantitative analysis judges that (B1), drillhole validation judge (B2);Rule layer (C) include 7 factors, i.e. water temperature (C1), water (C2), Slip casting terminates pressure (C3), water absorption rate (C4), physical prospecting achievement (C5), P-Q tracing analysis (C6), boring and coring inspection (C7).
Step B, is counted to influence grouting consolidation effect factor, is calculated, utilize average value Judgement Matricies.
In present example, it is assumed that (i=1,2 ..., n) are related Bi and Pi in next level, set up in B level factors Judgment matrix, form is as follows:
The priority weight grade of each factor is determined by comparing two-by-two for each factor, represent factor on it is relatively important Property.Its evaluation result is represented using following matrix.
Analytical structure is set up according to standard diagrams, with " collection expert analysis mode " method, collection and the live expert of consulting with The opinion of researcher, each influence factor to grouting consolidation effect is given a mark.Scoring criterion is according to the proposed 1-9 used As quantity yardstick, as shown in table 1.
The Saaty evaluation criterions of table 1
Judgment matrix characteristic value is calculated with eig functions in MATLAB and selects eigenvalue of maximum λ max.To structural matrix (C.R.) consistency check is carried out.Work as C.R.<0.10, it is believed that judgment matrix has preferable uniformity, when needs are to judging square Battle array is adjusted and corrected, and its calculation formula is as follows.C.I. the size of value, illustrates that matrix deviates the degree of uniformity Size, value is bigger, and departure degree is bigger, and its calculation formula is as follows, and R.I. is Aver-age Random Consistency Index, and its value is such as Shown in table 2 below.
Rule of thumb analyze, influence grouting consolidation effect factor is counted, calculated, constructed and judged using its average value Matrix (3~table of table 5).
The random index R.I. value tables of the different rank matrix of table 2
Matrix exponent number 3 4 5 6 7 8
R.I. 0.58 0.9 1.12 1.24 1.32 1.41
Matrix exponent number 9 10 11 12 13 14
R.I. 1.45 1.49 1.51 1.54 1.56 1.58
The A-B of table 3iJudgment matrix and its result of calculation (i=1,2)
The B of table 41-CiJudgment matrix and its result of calculation (i=1,2,3,4,5)
The B of table 52-CiJudgment matrix and its result of calculation (i=6,7)
Step C, according to Judgement Matricies, determines grouting and reinforcing evaluation index priority weighting.
According to Judgement Matricies, when matrix is by consistency check, the calculating of factor priority weighting, calculating side need to be calculated Method is as shown in table 6.
Each factor weight computational methods of table 6
Analysis collects with result of calculation more than, final to determine grouting and reinforcing evaluation index priority weighting, such as the institute of table 7 Show.The weight of each factor shown in table, is Mode of Level Simple Sequence of each factor to upper level, in order to which more preferable realize is evaluated, also Need to carry out total hierarchial sorting.The weight that a certain layer always sorts is that the weight of this layer of single sequence is total with being under the jurisdiction of last layer time factor The weight order sum of products.Therefore, the calculating of total weight order will successively be carried out by top to lowermost layer.Its calculation formula is such as Shown in lower:
In formula:bjRefer to weight of the B layers of m factor to general objective;
CijRefer to Mode of Level Simple Sequence of the C layers of factor of level to upper strata Bj.
The slip casting effect grade of table 7 evaluates level index priority weighting
Total hierarchial sorting is also needed to make consistency check, successively carried out to lowermost layer by top.If B layers of factor are to A layers The Aj Mode of Level Simple Sequence coincident indicator of factor is CIj, random index is RIj, then the uniformity ratio of layer total hierarchial sorting Rate is:
As C.R. < 0.10, total hierarchial sorting result has good uniformity, by examining.Time destination layer has in model B1, B22 factors, the weight to general objective is respectively 0.889,0.113, next level C layers (rule layers) shared 7 because Element.Mode of Level Simple Sequence c of the n factor of C layers of level to upper strata BjijNumerical value is as shown in table 8.C layers of 7 factors are total by level The weights that sequence obtains each factor are as shown in table 9.
Each factor of the rule layer of table 8 is to secondary destination layer Mode of Level Simple Sequence Cij numerical tabulars
1 2 3 4 5 6 7
1 0.2745 0.2887 0.1693 0.0358 0.2317
2 0.125 0.875
Each influence factor weight of the rule layer of table 9
i 1 2 3 4 5 6 7
Ci/% 0.244 0.2566 0.1505 0.0318 0.206 0.0139 0.0972
Step D, by grouting consolidation effect horizontal division grade, and makees qualitative and quantitative description.
The present situation kept the safety in production according to China's coal-mine and working face daily management requirement, by grouting consolidation effect hierarchy level It is divided into four grades:I security is good;II security is preferable;III security is poor;IV security extreme differences.And made qualitative and fixed The description of amount, is specifically shown in Table 10.
The slip casting effect hierarchy level of table 10 is divided
Grade Security I Security preferable II Security poor III Security extreme difference IV
Numerical value v 0<v≤0.25 0.25<v≤0.5 0.5<v≤0.75 0.75<v≤1
If evaluate collection is V, comment is Un, Hazard rank is designed as " four social estate systems ", i.e.,:
V={ U1, U2..., Un}={ I, II, III, IV }
Step E, according to opinion rating collection, is evaluated grouting consolidation effect.
By the analysis to each factor of evaluation of working face, value, tool are carried out to slip casting epimere and hypomere factor of evaluation index Body is as shown in table 11, table 12.
The epimere slip casting influence element assessment table of table 11
The hypomere slip casting influence element assessment table of table 12
Using data in table 11, slip casting epimere influence element assessment numerical value V is calculated, determines that its V value is equal to 0.34834, security preferably, is consistent with actual conditions.Model is not adjusted.
Using data in table 12, slip casting hypomere influence element assessment numerical value V is calculated, determines that its V value is equal to 0.43189, security is preferable.
The present invention influences the principal element of grouting consolidation effect by concluding, and hierarchical structure model is set up, based on layer Secondary analysis theories, mark off rational slip casting effect hierarchical level, and then compare opinion rating collection, combination of qualitative and quantitative analysis Tomography grouting consolidation effect is evaluated, and the present invention is simple to operate rationally, it is easy to practical application.
Instantiation described above, to the purpose of the present invention, process and beneficial effect are described in detail, and are not used to limit The restriction scope of the fixed present invention, all within the spiritual principles of the present invention, any modification, equivalent substitution for being made etc. all should be wrapped It is contained within protection scope of the present invention.

Claims (4)

1. a kind of multifactor AHP integrated evaluating methods of tomography slip casting effect, it is characterised in that this method includes:
Step A, concludes the influence factor of influence grouting consolidation effect, sets up hierarchical structure model;
Step B, is counted to influence grouting consolidation effect factor, is calculated, utilize average value Judgement Matricies;
Step C, according to Judgement Matricies, determines grouting and reinforcing evaluation index priority weighting;
Step D, by grouting consolidation effect horizontal division grade, and makees qualitative and quantitative description;
Step E, according to opinion rating collection, is evaluated grouting consolidation effect.
2. a kind of multifactor AHP integrated evaluating methods of tomography slip casting effect as claimed in claim 1, it is characterised in that step A In, the influence factor of influence grouting consolidation effect is concluded, hierarchical structure model is set up.Influence the main of grouting consolidation effect Factor is summarized as 7 aspects:Pressure, water absorption rate, physical prospecting achievement, P-Q tracing analysis and boring and coring after water, water temperature, slip casting Check.Based on evaluating this grouting consolidation effect, 7 main aspects are summarized as quantitative analysis judgement and drillhole validation judges Two partial objectives for, two partial objectives for layers are influenceed by individual next level factor respectively again.
Top (general objective layer) is grouting consolidation effect evaluation;Partial objectives for layer includes 2 factors, i.e. quantitative analysis and judges, bores Hole checking judges;Rule layer includes 7 factors, i.e. water temperature, water, slip casting terminates pressure, water absorption rate, physical prospecting achievement, P-Q curves Analysis, boring and coring inspection.
3. a kind of multifactor AHP integrated evaluating methods of tomography slip casting effect as claimed in claim 1, it is characterised in that step B In, influence grouting consolidation effect factor is counted, calculated, average value Judgement Matricies are utilized.
Analytical structure is set up according to standard diagrams, with " collection expert analysis mode " method, collection and the live expert of consulting and research The opinion of scholar, each influence factor to grouting consolidation effect is given a mark.
Judgment matrix characteristic value is calculated with eig functions in MATLAB and selects eigenvalue of maximum λ max.To structural matrix (C.R.) consistency check is carried out.Work as C.R.<0.10, it is believed that judgment matrix has preferable uniformity, when needs are to judging square Battle array is adjusted and corrected, and its calculation formula is as follows.C.I. the size of value, illustrates that matrix deviates the degree of uniformity Size, value is bigger, and departure degree is bigger, and its calculation formula is as follows, and R.I. is Aver-age Random Consistency Index.
<mrow> <mi>C</mi> <mo>.</mo> <mi>R</mi> <mo>.</mo> <mo>=</mo> <mfrac> <mrow> <mi>C</mi> <mo>.</mo> <mi>I</mi> <mo>.</mo> </mrow> <mrow> <mi>R</mi> <mo>.</mo> <mi>I</mi> <mo>.</mo> </mrow> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>C</mi> <mo>.</mo> <mi>I</mi> <mo>.</mo> <mo>=</mo> <mfrac> <mrow> <msub> <mi>&amp;lambda;</mi> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> <mo>-</mo> <mi>n</mi> </mrow> <mrow> <mi>n</mi> <mo>-</mo> <mn>1</mn> </mrow> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>2</mn> <mo>)</mo> </mrow> </mrow>
Rule of thumb analyze, influence grouting consolidation effect factor is counted, calculated, square is judged using its average value construction Battle array.
4. a kind of multifactor AHP integrated evaluating methods of tomography slip casting effect as claimed in claim 1, it is characterised in that step C In, according to Judgement Matricies, determine grouting and reinforcing evaluation index priority weighting.
According to Judgement Matricies, when matrix is by consistency check, factor is calculated according to each factor weight computational methods preferential Level weight, in order to which more preferable realize is evaluated, in addition it is also necessary to carry out total hierarchial sorting.The weight that a certain layer always sorts is this layer of single sequence Weight and be under the jurisdiction of the total weight order sum of products of last layer time factor.Therefore, the calculating of total weight order will be by top Successively carried out to lowermost layer.
CN201710249624.0A 2017-04-17 2017-04-17 A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect Pending CN107067176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710249624.0A CN107067176A (en) 2017-04-17 2017-04-17 A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710249624.0A CN107067176A (en) 2017-04-17 2017-04-17 A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect

Publications (1)

Publication Number Publication Date
CN107067176A true CN107067176A (en) 2017-08-18

Family

ID=59600082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710249624.0A Pending CN107067176A (en) 2017-04-17 2017-04-17 A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect

Country Status (1)

Country Link
CN (1) CN107067176A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107832483A (en) * 2017-08-30 2018-03-23 山东赛马力发电设备有限公司 Diesel engine noise method for evaluating quality based on UDS and AHP
CN108590656A (en) * 2018-04-02 2018-09-28 西安科技大学 A kind of disaster-ridden member coupling hard-to-recovery reserve decoupling recovery method
CN111340325A (en) * 2019-11-28 2020-06-26 中国电力科学研究院有限公司 Method and system for evaluating service level of power transmission and transformation facility based on comprehensive evaluation index
CN111738616A (en) * 2020-07-02 2020-10-02 湘潭大学 Novel quantitative analysis method for quality improvement degree of loose filling body after grouting reinforcement
CN112884377A (en) * 2021-03-30 2021-06-01 中煤能源研究院有限责任公司 Slurry filling system optimal selection model and construction method
CN114723330A (en) * 2022-05-06 2022-07-08 安徽理工大学 Vegetation change influence factor evaluation method based on structural equation model
CN114814981A (en) * 2022-05-20 2022-07-29 安徽恒源煤电股份有限公司 Grouting reinforcement effect evaluation method and system for fault waterproof coal pillar exploitation
CN115112860A (en) * 2022-06-27 2022-09-27 兰州理工大学 Method for evaluating compatibility of earthen archaeological site crack grouting material and archaeological site soil body
CN116595838A (en) * 2023-05-19 2023-08-15 中铁十六局集团第二工程有限公司 Dolomite sand tunnel grouting effect evaluation method and system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107832483A (en) * 2017-08-30 2018-03-23 山东赛马力发电设备有限公司 Diesel engine noise method for evaluating quality based on UDS and AHP
CN108590656A (en) * 2018-04-02 2018-09-28 西安科技大学 A kind of disaster-ridden member coupling hard-to-recovery reserve decoupling recovery method
CN108590656B (en) * 2018-04-02 2019-10-01 西安科技大学 A kind of disaster-ridden member coupling hard-to-recovery reserve decoupling recovery method
CN111340325A (en) * 2019-11-28 2020-06-26 中国电力科学研究院有限公司 Method and system for evaluating service level of power transmission and transformation facility based on comprehensive evaluation index
CN111738616A (en) * 2020-07-02 2020-10-02 湘潭大学 Novel quantitative analysis method for quality improvement degree of loose filling body after grouting reinforcement
CN112884377A (en) * 2021-03-30 2021-06-01 中煤能源研究院有限责任公司 Slurry filling system optimal selection model and construction method
CN114723330A (en) * 2022-05-06 2022-07-08 安徽理工大学 Vegetation change influence factor evaluation method based on structural equation model
CN114723330B (en) * 2022-05-06 2024-05-24 安徽理工大学 Vegetation change influence factor evaluation method based on structural equation model
CN114814981A (en) * 2022-05-20 2022-07-29 安徽恒源煤电股份有限公司 Grouting reinforcement effect evaluation method and system for fault waterproof coal pillar exploitation
CN114814981B (en) * 2022-05-20 2022-11-29 安徽恒源煤电股份有限公司 Grouting reinforcement effect evaluation method and system for fault waterproof coal pillar exploitation
CN115112860A (en) * 2022-06-27 2022-09-27 兰州理工大学 Method for evaluating compatibility of earthen archaeological site crack grouting material and archaeological site soil body
CN116595838A (en) * 2023-05-19 2023-08-15 中铁十六局集团第二工程有限公司 Dolomite sand tunnel grouting effect evaluation method and system
CN116595838B (en) * 2023-05-19 2024-03-22 中铁十六局集团第二工程有限公司 Dolomite sand tunnel grouting effect evaluation method and system

Similar Documents

Publication Publication Date Title
CN107067176A (en) A kind of multifactor AHP integrated evaluating methods of tomography slip casting effect
CN103268420B (en) A kind of method for evaluating hazard of high rock slope
CN110069878B (en) Quantitative scoring and optimizing method for well drilling completion plugging material
CN107387051B (en) Repeated fracturing well selection method for multi-stage fractured horizontal well with low-permeability heterogeneous oil reservoir
CN112308360A (en) Rock foundation pit safety evaluation method based on entropy weight method correction AHP method
CN104298883A (en) Establishment method for hydrocarbon source rock hydrocarbon production rate charts in petroleum resource assessment
CN107016620A (en) A kind of Assessment of Water-bearing Fault method based on step analysis
CN111445156B (en) Bias tunnel construction safety evaluation method based on variable weight fuzzy comprehensive evaluation
CN103177187B (en) Based on the vcehicular tunnel health status dynamic evaluation method of variable fuzzy sets theory
CN108710984A (en) A kind of Mine Geo-environment evaluation method and system
CN104636612A (en) Karst tunnel water outburst and mud outburst overall process gradual dynamic risk assessment method
CN110147561A (en) A kind of oil and gas reservoir volume fracturing of densification containing intrinsic fracture seam net prediction technique
CN111242499A (en) Existing tunnel lining structure disease evaluation method based on hierarchy-extension analysis
CN113570226A (en) Method for evaluating occurrence probability grade of tunnel water inrush disaster in fault fracture zone
CN108319738A (en) A kind of shale gas well yield prediction technique
CN103454139A (en) Determination method for key influence factors and important degree of dilatation of gas-containing coal-rock mass
CN112100851A (en) Method for evaluating tunnel water inrush disaster risk based on set pair analysis
CN109359374A (en) The Secondary Fuzzy Comprehensive Evaluation method of evaluating coal seam bottom water bursting
CN112907130A (en) Construction risk grade determination method, device and medium based on shield construction parameters
CN106971268A (en) A kind of bridge construction Qualitative risk evaluation method of comprehensive AHP and FCE
Abu-Farsakh Calibration of resistance factors for drilled shafts for the new FHWA design method:[tech summary].
CN110080818A (en) A kind of mine leave ore pillar classification filling recovery method
CN116468282A (en) Tunnel burst water risk level assessment method
CN107609728A (en) A kind of bottom plate resistance water isolating evaluation method based on AHP
CN112488463A (en) Landslide evaluation method based on combined weighting method and good-bad solution distance method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170818

WD01 Invention patent application deemed withdrawn after publication