CN110499768A - A kind of side slope safety stability grade evaluation method based on analytic hierarchy process (AHP) - Google Patents
A kind of side slope safety stability grade evaluation method based on analytic hierarchy process (AHP) Download PDFInfo
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- CN110499768A CN110499768A CN201910720706.8A CN201910720706A CN110499768A CN 110499768 A CN110499768 A CN 110499768A CN 201910720706 A CN201910720706 A CN 201910720706A CN 110499768 A CN110499768 A CN 110499768A
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- side slope
- stability
- ahp
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- hierarchy process
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
Abstract
The side slope safety stability grade evaluation method based on analytic hierarchy process (AHP) that the invention discloses a kind of, it constitutes feature according to side slope substance and divides side slope type, and identify the security and stability impact factor of side slope, then it is ranked up and gives a mark according to the importance of impact factor, it is calculated automatically with mature analytic hierarchy process (AHP) index system again, obtain safety stability evaluation for slope score value, finally utilize expert opinion index system, carry out the security and stability grade classification of side slope, the present invention is evaluated using more impact factors that mathematic model of AHP carries out side slope safety stability, impact factor need to be only verified when field investigation, carry out the sequence of importance and corresponding marking of each impact factor, the corresponding security and stability grade of side slope can be calculated automatically, this method can scientificlly and effectively improve side slope safety judgement of stability, it is quasi- Exactness and high-efficient greatly improves the feeding convenience of side slope pipe and safety, and generalization is high, practical.
Description
Technical field
The present invention relates to side slope safety stability grade evaluation method more particularly to a kind of side slopes based on analytic hierarchy process (AHP)
Security and stability grade evaluation method belongs to side slope risk class assessment technique field.
Background technique
With the fast development of Mountainous Highway Construction, more and more highways will come into operation, but by alpine terrain
The geological conditions factor such as looks influences, as the increase Highways ' slope geological problem of service time is more prominent, frequently
The geological hazards such as landslide, avalanche occur, seriously threaten the people's lives and property safety.In recent years, with engineering construction
Paces are accelerated, and the huge maintenance project of volume scale has been formed, and it is steady to manage side slope safety encountered in feeding work in later period construction
Qualitative question also accordingly increases, and especially in Southwestern China mountain area, the security and stability problem of existing side slope has become Guan Yanggong
Relatively common technical problem in journey.
The correctness of side slope safety Stability Assessment result is directly related to the success or failure of slope project.Slope stability at present
Evaluation method is varied, but since stability of slope is influenced by many factors, and each factor has uncertain and complexity,
When using tradition, method for qualitative analysis such as limit equilibrium theory is used for slope analysis really, acquired results are not ideal, but
Whether use deterministic parsing such as Monte Carlo method, first-order second moment method, or using uncertain method such as fuzzy mathematics,
Gray theory, quantitative theory and information model method etc., the accuracy for being used for Slope Stability Evaluation still have with actual conditions
Gap, and uncertainty analysis method often calculates complexity, is not easy to implement, is difficult to promote.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of, the side slope safety stability grade based on analytic hierarchy process (AHP) is evaluated
Method, can be with overcome the deficiencies in the prior art.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of side slope safety stability grade evaluation method based on analytic hierarchy process (AHP) comprising following steps:
S1, side slope type is divided, identifies the evaluation index item of corresponding side slope type；
S2, importance ranking is carried out to evaluation index item, and given a mark；
S3, it is calculated automatically with analytic hierarchy process (AHP) index system, obtains safety stability evaluation for slope score value；
S4, the security and stability grade classification for carrying out side slope.
In abovementioned steps s1, according to side slope substance constitute feature, by side slope Type division be soil-slope, rock side slope and
Double-decked slope.
In abovementioned steps s1, the evaluation index item of the side slope type is the side slope safety stability influence factor.
The aforementioned side slope safety stability influence factor includes side slope self construction, drainage system, supporting construction and meteorological item
Part；The side slope self construction includes slopes vegetation development situation, slopes visual condition and other slopes information；The draining system
System includes slope surface pumping equipment, slopes internal drainage facility and slopes infiltration water outlet status；The supporting construction includes branch
Keep off structure, anchor structure and other supporting measures.
According to the key influence factor of different type side slope and the corresponding weight of each factor, it is steady to comb out influence side slope safety
Each fixed security and stability impact factor.
In abovementioned steps s2, analytic hierarchy process (AHP) index system database is constructed, the weight in existing analytic hierarchy process (AHP) is utilized
The property wanted ranking method weight coefficient table carries out importance ranking to each the security and stability impact factor combed out；And to sequence
Each impact factor afterwards is given a mark.
According to the stability of each security and stability impact factor, security and stability impact factor marking grade is divided.
Aforementioned marking grade is in turn divided into I grades, II grade, III grade and IV grade according to stability from high to low, every grade of difference
Corresponding score range is 0 ~ 25 point, 26 ~ 50 points, 51 ~ 75 points, 76 ~ 100 points.
In abovementioned steps s3, the corresponding marking value of each side slope safety stability influence factor is stored in database, is carried out
Calculating is automatically analyzed, corresponding index score value is finally obtained.
In abovementioned steps s4, expert opinion system database is constructed, is stored in side slope safety stability grade in the database
Corresponding index score value obtained in step s3 is compared and analyzed with the table, can obtain the safety of side slope by evaluation criterion table
Stability grade.
Compared with the prior art, the side slope safety stability grade evaluation based on analytic hierarchy process (AHP) that the invention discloses a kind of
Method constitutes feature according to side slope substance, is soil-slope, rock side slope and double-decked slope three by side slope Type division
Class provides the evaluation index of every class side slope respectively, is identified in implementation process by professional geotechnical engineer combination slope project status
The security and stability impact factor of side slope out, is then ranked up according to the importance of impact factor, and to the items after sequence
Impact factor is given a mark, then is calculated automatically with mature analytic hierarchy process (AHP) index system, is obtained side slope safety and is stablized
Property evaluation score value, finally utilize expert opinion index system, carry out the security and stability grade classification of side slope, be side slope pipe support
Work indicates emphasis.
The present invention according to influence side slope safety it is stable factor it is varied, generally have side slope self construction, drainage system,
Factors such as supporting construction and meteorological condition, and the side slope of different material type its Safety Influence Factors are different, therefore by side slope
It is divided into different material types, extracts respective major influence factors, is arranged using the importance in existing analytic hierarchy process (AHP)
Sequence right weight coefficient table carries out importance ranking to every influence factor of extraction, and gives a mark, it passes through challenge
In each factor methodization, that is, the orderly layer interknited is divided into, according to the fuzzy Judgment to objective reality, with regard to each level
Relative importance quantitative expression, recycle mathematical method to determine the weight coefficient of whole element relative importance order,
Corresponding index score value is finally obtained, the technical problem faced in safety stability evaluation for slope work can be effectively solved.
The beneficial effects of the present invention are: the present invention carries out the more of side slope safety stability using mathematic model of AHP
Impact factor evaluation, the sequence of importance and corresponding marking that when field investigation need to only verify impact factor, carry out each impact factor,
The corresponding security and stability grade of side slope can be calculated automatically, and this method can scientificlly and effectively improve side slope safety stability and sentence
It is disconnected, a large amount of man power and materials can be saved, accuracy and high-efficient extends to the side slope safety stability grade evaluation of each row
Work, to instructing safety stability evaluation for slope work that there is important engineering significance, greatly improve the feeding convenience of side slope pipe and
Safety.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, in which:
Fig. 1 is workflow schematic diagram of the invention.
Specific embodiment
Hereinafter reference will be made to the drawings, and a preferred embodiment of the present invention will be described in detail.It should be appreciated that preferred embodiment
Only for illustrating the present invention, rather than limiting the scope of protection of the present invention.
As shown in Figure 1,
A kind of side slope safety stability grade evaluation method based on analytic hierarchy process (AHP) comprising following steps:
S1, side slope type is divided, identifies the evaluation index item of corresponding side slope type；
S2, importance ranking is carried out to evaluation index item, and given a mark；
S3, it is calculated automatically with analytic hierarchy process (AHP) index system, obtains safety stability evaluation for slope score value；
S4, the security and stability grade classification for carrying out side slope.
In step s1, feature is constituted by collecting prospecting, design, construction and the documentations analysis of slope substances such as maintenance,
And feature is constituted according to side slope substance, it is soil-slope, rock side slope and double-decked slope by side slope Type division；
Scene identifies the evaluation index item of corresponding side slope, and the evaluation index item is the safety for influencing corresponding side slope security and stability
The stability influence factor, when identification, according to the corresponding crucial effect of soil-slope, rock side slope and double-decked slope
Factor is different, and the corresponding weighted of each factor is combed.
The side slope safety stability influence factor includes side slope self construction, drainage system, supporting construction and meteorological item
Part；The side slope self construction includes slopes vegetation development situation, slopes visual condition and other slopes information, described other
Slopes information includes slope height, ratio of slope, ground volume property etc.；The drainage system includes slope surface pumping equipment, inside slopes
Pumping equipment and slopes infiltration water outlet status；The supporting construction includes retaining structure, anchor structure and other supporting measures；Institute
Stating meteorological condition includes the factor of natural environment such as rainfall, wind-force.
In step s2, analytic hierarchy process (AHP) index system database is constructed, Field Force carries out the important of every evaluation index
Property sequence and marking；
Specifically, Field Force identifies each the security and stability impact factor for influencing corresponding side slope security and stability；It utilizes
In existing analytic hierarchy process (AHP) importance ranking right weight coefficient table, to each the security and stability impact factor identified into
Row divides importance rate, and to its importance quantitative assignment, mathematical method is recycled to determine that whole elements are relatively important
Property order weight coefficient, realize the importance ranking of every security and stability impact factor.
1 importance ranking right of table weight coefficient table
Field Force gives a mark to each side slope safety stability influence factor after carrying out importance ranking, according to each peace
The stability of total stability impact factor divides security and stability impact factor marking grade, and the marking grade is according to stabilization
Property be in turn divided into I grades, II grade, III grade and IV grade from high to low, every grade of corresponding score range is 0 ~ 25 point, 26 ~ 50
Divide, 51 ~ 75 points, 76 ~ 100 points, as shown in 2 ~ table of table 4；Only to the side slope safety stability shadow after progress importance ranking in table
It rings the factor to give a mark, remainder is ignored.
2 soil-slope security and stability impact factor index of table marking table
3 ground matter side slope safety stability influence level of factor of table marking table
4 double-decked slope security and stability impact factor index of table marking table
In step s3, by the corresponding marking value deposit level point of each the side slope safety stability influence factor obtained in step 2
Analysis method index system database, carries out automatically analyzing calculating, finally obtains corresponding index score value.
In step s4, expert opinion system database is constructed, is stored in the evaluation of side slope safety stability grade in the database
Corresponding index score value obtained in step s3 is compared and analyzed with the table, can obtain the peace of side slope by standard scale (see Table 5)
Total stability grade.
5 side slope safety stability grade evaluation criterion table of table
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable reality
Example is applied to describe the invention in detail, those skilled in the art should understand that, it can be to technical side of the invention
Case is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in power of the invention
In sharp claimed range.
Claims (10)
1. a kind of side slope safety stability grade evaluation method based on analytic hierarchy process (AHP), which comprises the following steps:
S1, side slope type is divided, identifies the evaluation index item of corresponding side slope type；
S2, importance ranking is carried out to evaluation index item, and given a mark；
S3, it is calculated automatically with analytic hierarchy process (AHP) index system, obtains safety stability evaluation for slope score value；
S4, the security and stability grade classification for carrying out side slope.
2. the side slope safety stability grade evaluation method according to claim 1 based on analytic hierarchy process (AHP), feature exist
In: in step s1, feature is constituted according to side slope substance, is soil-slope, rock side slope and diadactic structure by side slope Type division
Side slope.
3. the side slope safety stability grade evaluation method according to claim 1 based on analytic hierarchy process (AHP), feature exist
In: in step s1, the evaluation index item of the side slope type is the side slope safety stability influence factor.
4. the side slope safety stability grade evaluation method according to claim 3 based on analytic hierarchy process (AHP), feature exist
In: the side slope safety stability influence factor includes side slope self construction, drainage system, supporting construction and meteorological condition；Institute
Stating side slope self construction includes slopes vegetation development situation, slopes visual condition and other slopes essential informations；The draining system
System includes slope surface pumping equipment, slopes internal drainage facility and slopes infiltration water outlet status；The supporting construction includes branch
Keep off structure, anchor structure and other supporting measures.
5. the side slope safety stability grade evaluation method according to claim 3 based on analytic hierarchy process (AHP), feature exist
In: according to the key influence factor of different type side slope and the corresponding weight of each factor, it is stable to comb out influence side slope safety
Each security and stability impact factor.
6. the side slope safety stability grade evaluation method according to claim 1 based on analytic hierarchy process (AHP), feature exist
In: in step s2, analytic hierarchy process (AHP) index system database is constructed, the importance ranking method in existing analytic hierarchy process (AHP) is utilized
Weight coefficient table carries out importance ranking to each the security and stability impact factor combed out；And to each shadow after sequence
The factor is rung to give a mark.
7. the side slope safety stability grade evaluation method according to claim 6 based on analytic hierarchy process (AHP), feature exist
According to the stability of each security and stability impact factor, division security and stability impact factor marking grade.
8. the side slope safety stability grade evaluation method according to claim 7 based on analytic hierarchy process (AHP), feature exist
In the marking grade is in turn divided into I grades, II grade, III grade and IV grade according to stability from high to low, and every grade corresponding
Score range is 0 ~ 25 point, 26 ~ 50 points, 51 ~ 75 points, 76 ~ 100 points.
9. the side slope safety stability grade evaluation method according to claim 1 based on analytic hierarchy process (AHP), feature exist
In: in step s3, the corresponding marking value of each side slope safety stability influence factor is stored in database, carries out automatic analyser
It calculates, finally obtains corresponding index score value.
10. the side slope safety stability grade evaluation method according to claim 1 based on analytic hierarchy process (AHP), feature exist
In: in step s4, expert opinion system database is constructed, is stored in side slope safety stability grade evaluation criterion in the database
Corresponding index score value obtained in step s3 is compared and analyzed with the table, can obtain the security and stability etc. of side slope by table
Grade.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111612182A (en) * | 2020-05-29 | 2020-09-01 | 中国科学院、水利部成都山地灾害与环境研究所 | Slope state evaluation method and system |
| CN112990671A (en) * | 2021-02-24 | 2021-06-18 | 贵州省交通规划勘察设计研究院股份有限公司 | Risk assessment method for potential safety hazards of roadbed and pavement of highway operated in mountainous area |
| CN116663106A (en) * | 2023-05-18 | 2023-08-29 | 重庆市规划和自然资源调查监测院 | Working method for analyzing slope restoration implementation of expressway by using mass data |
| CN116663106B (en) * | 2023-05-18 | 2024-05-14 | 重庆市规划和自然资源调查监测院 | Working method for analyzing slope restoration implementation of expressway by using mass data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538861A (en) * | 2009-04-21 | 2009-09-23 | 中国科学院武汉岩土力学研究所 | Highway slope stability grading evaluation method |
| CN101630347A (en) * | 2009-08-20 | 2010-01-20 | 同济大学 | Mountainous area highway landslide risk evaluation model |
| CN103268420A (en) * | 2013-05-24 | 2013-08-28 | 河海大学 | Method for evaluating risks of high rock slope |
| CN109242344A (en) * | 2018-09-30 | 2019-01-18 | 青岛理工大学 | The multi-factor comprehensive measuring method of Regional Landslide calamity source |
-
2019
- 2019-08-06 CN CN201910720706.8A patent/CN110499768A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538861A (en) * | 2009-04-21 | 2009-09-23 | 中国科学院武汉岩土力学研究所 | Highway slope stability grading evaluation method |
| CN101630347A (en) * | 2009-08-20 | 2010-01-20 | 同济大学 | Mountainous area highway landslide risk evaluation model |
| CN103268420A (en) * | 2013-05-24 | 2013-08-28 | 河海大学 | Method for evaluating risks of high rock slope |
| CN109242344A (en) * | 2018-09-30 | 2019-01-18 | 青岛理工大学 | The multi-factor comprehensive measuring method of Regional Landslide calamity source |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111612182A (en) * | 2020-05-29 | 2020-09-01 | 中国科学院、水利部成都山地灾害与环境研究所 | Slope state evaluation method and system |
| CN112990671A (en) * | 2021-02-24 | 2021-06-18 | 贵州省交通规划勘察设计研究院股份有限公司 | Risk assessment method for potential safety hazards of roadbed and pavement of highway operated in mountainous area |
| CN116663106A (en) * | 2023-05-18 | 2023-08-29 | 重庆市规划和自然资源调查监测院 | Working method for analyzing slope restoration implementation of expressway by using mass data |
| CN116663106B (en) * | 2023-05-18 | 2024-05-14 | 重庆市规划和自然资源调查监测院 | Working method for analyzing slope restoration implementation of expressway by using mass data |
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Application publication date: 20191126 |