CN110232527A - A kind of evaluation method of Highway Construction Project quality credit - Google Patents
A kind of evaluation method of Highway Construction Project quality credit Download PDFInfo
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- CN110232527A CN110232527A CN201910530525.9A CN201910530525A CN110232527A CN 110232527 A CN110232527 A CN 110232527A CN 201910530525 A CN201910530525 A CN 201910530525A CN 110232527 A CN110232527 A CN 110232527A
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- 238000010276 construction Methods 0.000 title claims abstract description 58
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- 239000011159 matrix material Substances 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 6
- 238000004451 qualitative analysis Methods 0.000 claims description 4
- 238000004445 quantitative analysis Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
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- 238000013441 quality evaluation Methods 0.000 description 2
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Abstract
The invention belongs to highway engineering credit appraisal fields, and in particular to a kind of credit assessment method of Highway Construction Project quality.Technical scheme is as follows: a kind of credit assessment method of Highway Construction Project quality includes the following steps: the quality credit scoring model primary election of (1) highway engineering construction；(2) it gives a mark according to the index to Highway Project, establishes expert estimation table；(3) using expert estimation table as foundation, highway engineering construction quality credit scoring model is carried out using the method for rough set preferred；(4) improved grey model Cluster Assessment model is used, determines highway engineering construction quality credit appraisal grade.The credit assessment method of Highway Construction Project quality provided by the invention, applied widely, easy to use, good reliability.
Description
Technical field
The invention belongs to highway engineering credit appraisal fields, and in particular to a kind of credit of Highway Construction Project quality
Evaluation method.
Background technique
Due to the development of economic globalization, it would be desirable to can mutually be drawn close with the Credit Appraisal Index System of the current international practice,
The Credit Appraisal Index System and scientific and effective evaluation method model of Chinese Enterprises are adapted to again.Highway construction market is as state
The important component of family's economic construction, plays very important effect in national economy and social development, but highway
The market credit system of construction industry is weaker.
It constantly brings forth new ideas in face of building with management mode, the continuous improvement that socio-economic development requires construction quality, China
There are many problem such as credit appraisal markets excessively to open for existing project quality credit appraisal system, lacks laws and regulations support,
The application of credit appraisal is insufficient, and credit appraisal standard and result are inconsistent, and credit appraisal is confused with financial credit, education with
A surname leads deficiency, credit appraisal working talent shortage etc..Credit system at this stage is no longer satisfied project quality and safety
Standard.
Therefore, establish that a kind of combinable highway engineering in China feature, principle be simple, highway engineering construction matter of high reliablity
The credit appraisal system of amount is very necessary.
Summary of the invention
The present invention provides a kind of credit assessment method of Highway Construction Project quality, applied widely, easy to use,
Good reliability.
Technical scheme is as follows:
A kind of credit assessment method of Highway Construction Project quality, includes the following steps:
(1) highway engineering construction quality credit scoring model primary election；
(2) it gives a mark according to the index to Highway Project, establishes expert estimation table；
(3) using expert estimation table as foundation, using the method for rough set to highway engineering construction quality credit scoring model
It carries out preferred；
(4) improved grey model Cluster Assessment model is used, determines highway engineering construction quality credit appraisal grade.
Further, the credit assessment method of the Highway Construction Project quality, the step (1) are specifically wrapped
It includes: former in comprehensive, scientific, specific aim, consistency, comparativity, operability in conjunction with highway engineering status and pertinent literature
Then, on the basis of combination of qualitative and quantitative analysis principle, 14 indexs relevant to highway engineering construction quality is formed, are respectively as follows:
Quality control system, engineering entity, construction and mounting technique level, concealed work, aesthetic measure, management and level monitoring are completed
Work checks and accepts situation, survey and design level, construction cost, owner's satisfaction, economic benefit, the harmony of environment, environmental protection, conjunction
Same degree of performance.
Further, the credit assessment method of the Highway Construction Project quality, the step (2) are specifically wrapped
It includes: by each index discretization, being divided into 5 grades, be successively assigned a value of 5,4,3,2,1 from high to low, invite expert to being wanted
The Highway Project of evaluation is given a mark, and expert estimation table is obtained.
Further, the credit assessment method of the Highway Construction Project quality, the step (3) are specifically wrapped
It includes: according to expert estimation table, being reflected using the difference of information content and the information content for deleting the attribute of original complete property set
The significance level of the attribute, it is preferred to carry out index with this；Specific steps are as follows:
1) according to expert estimation table, the information content of the complete index of highway engineering primary election is calculated；
2) according to expert estimation table, the information content for deleting one of attribute is calculated；
3) different degree of each attribute is calculated, if different degree is 0, the attribute is rejected, otherwise retains.
Further, the credit assessment method of the Highway Construction Project quality, the step (4) are specifically wrapped
It includes: according to the expert estimation table after screening, establishing sample matrix, construct each index later and correspond to subclass exponential type albefaction power letter
Number substitutes into sample matrix in whitened weight function, and determines each index weights using clustering weight method, and then determine each credit appraisal
Index cluster, finally calculates grey cluster coefficient, determines evaluated Highway Construction Project quality credit appraisal grade；Tool
Body step are as follows:
A) according to the expert estimation table after screening, sample matrix is established；
B) it constructs each index and corresponds to subclass exponential type whitened weight function；
C) sample matrix is substituted into whitened weight function, and each index weights is determined using clustering weight method, and then determined each
Credit scoring model cluster；
D) grey cluster coefficient is calculated, determines evaluated Highway Construction Project quality credit appraisal grade.
The invention has the benefit that
1, the present invention combines highway engineering status and pertinent literature, in comprehensive, scientific, specific aim, consistency, comparable
Property, on the basis of operability principle, combination of qualitative and quantitative analysis principle, form 14 relevant to highway engineering construction quality
Index,
2, the present invention is in combination with the specific feature of Highway Project, based on expert estimation table, using the side of rough set
Method progress index is preferred, carries out overall merit to the index that can most represent the project construction quality, keeps evaluation result more accurate.
3, the present invention is the coverage area for solving traditional grey cluster white function, its utilization rate is improved, using exponential type
White function effectively improves the accuracy of evaluation result.
4, the present invention uses improved grey model Cluster Assessment model, and principle is simple, can effectively combine all kinds of numerical value software for calculation
It is calculated, it is easy to operate.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Highway engineering construction quality credit assessment method provided by the invention, can be in conjunction with specific Highway Project, choosing
Most representative index is evaluated out, and can be applied in all kinds of highway engineering construction quality credit appraisals, reliably
Degree is high.
As shown in Figure 1, a kind of credit assessment method of Highway Construction Project quality, comprising the following steps:
(1) highway engineering construction quality credit scoring model primary election: in conjunction with highway engineering status and pertinent literature, comprehensive
Property, on the basis of science, specific aim, consistency, comparativity, operability principle, combination of qualitative and quantitative analysis principle, formed
14 indexs relevant to highway engineering construction quality, are respectively as follows: quality control system, engineering entity, construction and mounting technique
Level, concealed work, aesthetic measure, management and level monitoring, final acceptance of construction situation, survey and design level, construction cost, owner
Satisfaction, economic benefit, the harmony of environment, environmental protection, contract performance situation；
(2) it gives a mark according to the index system to Highway Project, establishes expert estimation table: each index is discrete
Change, be divided into 5 grades, be successively assigned a value of 5,4,3,2,1 from high to low, invite expert to the Highway Project to be evaluated into
Row marking, obtains expert estimation table.
(3) using expert estimation table as foundation, using the method for rough set to highway engineering construction quality credit scoring model
It carries out preferred: according to expert estimation table, utilizing the difference of the information content and the information content for deleting the attribute of original complete property set
Reflect the significance level of the attribute, it is with this preferred to carry out index.Specific step is as follows:
1) according to expert estimation table, the information content of the complete index of highway engineering primary election is calculated；
Define U={ x1,x2,…,xgThe domain that is made of expert estimation situation, A is the primary election of highway engineering construction quality
Evaluation indice, then shown in the information content of A such as formula (2):
U/ind (A)={ X1,X2,…Xg} (1)
Wherein, | Xh| it is the radix of X, i.e., includes the number of element in set, I (A) is the complete index of highway engineering primary election
Information content.
2) according to expert estimation table, the information content for deleting one of attribute is calculated；
Definition a is the one of index of highway engineering construction quality primary election evaluation indice, then after deleting index a
Information computing is as shown in Equation 4:
U/ind (A-a)={ X1,X2,…Xg} (3)
Wherein, I (A-a) is the information content of the complete index of highway engineering primary election.
3) different degree of each attribute is calculated, if different degree is 0, the attribute is rejected, otherwise retains.
The different degree of attribute a is calculated as shown in formula (5):
SigA-{a}(A)=I (A)-I (A- { a }) (5)
Wherein, sigA-{a}For the different degree of attribute a.
(4) improved grey model Cluster Assessment model is used, determines highway engineering construction quality credit appraisal grade.
Specific step is as follows:
A) according to the expert estimation table after screening, sample matrix is established；
Clustering object is considered as sample.In evaluation, if i=1 ..., m are cluster sample, each sample respectively has j to comment
Valence index, each evaluation index have k grey class, and cluster sample matrix is D.
X in formulaij(i=1,2 ..., m；J=1,2 ..., n) i-th of expert's sample, j-th of index clear figure, m is expert
Number, n are the highway engineering construction quality credit scoring model number after screening.
B) it constructs each index and corresponds to subclass exponential type whitened weight function；
IfWhitened weight function for index j about k subclass (credit appraisal grade),
As k=1
As 1≤k < p
As k=p
K=1,2 in formula ..., p indicates grey cluster grade；J=1,2 ..., n indicates evaluation index；I=1,2 ..., m,
Indicate clustering object, yjkIndicate that index j is under the jurisdiction of the quality standard value of k-th of grey class hierarchy.
C) sample matrix is substituted into whitened weight function, and each index weights is determined using clustering weight method, and then determined each
Credit scoring model cluster；
First by sample value carry out dimensionless processing, to avoid because the gap data under same index it is larger caused by shadow
It rings, while in order to guarantee that sample value is corresponding with standard value, grey class standard value is also required to carry out dimensionless processing.
It is as follows that dimensionless handles formula:
In formulaIndicate the standardized value of k-th of j-th of index grey class hierarchy, yjkIndicate that index j is under the jurisdiction of k-th of ash
The quality standard value of class hierarchy,--- indicate actual sample standardization value, xij--- indicate the practical sample under j index
This value.
W in formulajk--- it is under the jurisdiction of the cluster weight of k grade under j index；Its dependent variable is same as above.
D) grey cluster coefficient is calculated, determines evaluated Highway Construction Project quality credit appraisal grade.
In formulaIndicate cluster sample i to the cluster coefficients of grey class k；Indicate that cluster sample i is subordinate under j index
It is weighed in the albefaction of k grade
IfThen determine expert i rating for k*。
Claims (5)
1. a kind of credit assessment method of Highway Construction Project quality, which comprises the steps of:
(1) highway engineering construction quality credit scoring model primary election；
(2) it gives a mark according to the index to Highway Project, establishes expert estimation table；
(3) using expert estimation table as foundation, highway engineering construction quality credit scoring model is carried out using the method for rough set
It is preferred that；
(4) improved grey model Cluster Assessment model is used, determines highway engineering construction quality credit appraisal grade.
2. the credit assessment method of Highway Construction Project quality according to claim 1, which is characterized in that the step
Suddenly (1) specifically includes: in conjunction with highway engineering status and pertinent literature, in comprehensive, scientific, specific aim, consistency, comparable
Property, on the basis of operability principle, combination of qualitative and quantitative analysis principle, form 14 relevant to highway engineering construction quality
Index, be respectively as follows: quality control system, engineering entity, construction and mounting technique level, concealed work, aesthetic measure, management with
Level monitoring, final acceptance of construction situation, survey and design level, construction cost, owner's satisfaction, economic benefit, the harmony of environment,
Environmental protection, contract performance situation.
3. the credit assessment method of Highway Construction Project quality according to claim 2, which is characterized in that the step
Suddenly (2) specifically include: by each index discretization, being divided into 5 grades, are successively assigned a value of 5,4,3,2,1 from high to low, invite
Expert gives a mark to the Highway Project to be evaluated, obtains expert estimation table.
4. the credit assessment method of Highway Construction Project quality according to claim 3, which is characterized in that the step
Suddenly (3) specifically include: according to expert estimation table, using original complete property set information content and delete the information content of the attribute
Difference reflects the significance level of the attribute, preferred to carry out index with this；Specific steps are as follows:
1) according to expert estimation table, the information content of the complete index of highway engineering primary election is calculated；
2) according to expert estimation table, the information content for deleting one of attribute is calculated；
3) different degree of each attribute is calculated, if different degree is 0, the attribute is rejected, otherwise retains.
5. the credit assessment method of Highway Construction Project quality according to claim 4, which is characterized in that the step
Suddenly (4) specifically include: according to the expert estimation table after screening, establishing sample matrix, construct each index later and correspond to subclass index
Type whitened weight function substitutes into sample matrix in whitened weight function, and determines each index weights using clustering weight method, and then determine
Each credit scoring model cluster, finally calculates grey cluster coefficient, determines evaluated Highway Construction Project quality credit
Opinion rating；Specific steps are as follows:
A) according to the expert estimation table after screening, sample matrix is established；
B) it constructs each index and corresponds to subclass exponential type whitened weight function；
C) sample matrix is substituted into whitened weight function, and each index weights is determined using clustering weight method, and then determine each credit
Evaluation index cluster；
D) grey cluster coefficient is calculated, determines evaluated Highway Construction Project quality credit appraisal grade.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117314270A (en) * | 2023-09-15 | 2023-12-29 | 国家海洋环境监测中心 | Comprehensive evaluation method for marine environment monitoring information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117314270A (en) * | 2023-09-15 | 2023-12-29 | 国家海洋环境监测中心 | Comprehensive evaluation method for marine environment monitoring information |
| CN117314270B (en) * | 2023-09-15 | 2024-06-14 | 国家海洋环境监测中心 | Comprehensive evaluation method for marine environment monitoring information |
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