CN113034200A - Power transmission and transformation project cost assessment method based on data characteristic mining and analysis - Google Patents

Power transmission and transformation project cost assessment method based on data characteristic mining and analysis Download PDF

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CN113034200A
CN113034200A CN202110414994.1A CN202110414994A CN113034200A CN 113034200 A CN113034200 A CN 113034200A CN 202110414994 A CN202110414994 A CN 202110414994A CN 113034200 A CN113034200 A CN 113034200A
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关凤凤
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Abstract

The invention discloses a power transmission and transformation project cost evaluation method based on data characteristic mining and analysis. The power transmission and transformation project cost evaluation method based on data characteristic mining and analysis comprises the following steps: the method comprises the steps of obtaining the number of historical projects corresponding to the last five years, calling project information corresponding to each historical project, analyzing the project information corresponding to each historical project, further counting cost influence coefficients corresponding to parameters of each historical project information, obtaining project information corresponding to projects to be manufactured, matching and screening the project information corresponding to the projects to be manufactured and the project information corresponding to each historical project, and further counting final estimated manufacturing cost corresponding to the projects to be manufactured according to the cost influence coefficients corresponding to the screened historical projects with the highest matching degree.

Description

Power transmission and transformation project cost assessment method based on data characteristic mining and analysis
Technical Field
The invention belongs to the technical field of construction cost, and relates to a power transmission and transformation project cost evaluation method based on data characteristic mining and analysis.
Background
With the continuous development of social economy and the continuous increase of power consumption demand, the power transmission and transformation project also becomes a popular investment project gradually, under the background of the quick development of the internet of things and big data, an investor obtains the information of each power transmission and transformation project more and more conveniently, meanwhile, a more scientific basis is provided for the investor in the selection of the power transmission and transformation project, and in order to maintain the stability of the investment market and control the cost of each power transmission and transformation project, the cost of the power transmission and transformation project is evaluated very importantly.
The existing cost evaluation method for the power transmission and transformation project is basically based on theory, data based on the method cannot be completely fit to reality, and evaluation parameters are limited when the cost of the power transmission and transformation project is evaluated, so that the existing cost evaluation method for the power transmission and transformation project has many defects.
Disclosure of Invention
In view of this, in order to solve the problems proposed in the background art, a power transmission and transformation project cost assessment method based on data feature mining and analysis is proposed, so that scientific assessment of the power transmission and transformation project cost is realized;
the purpose of the invention can be realized by the following technical scheme:
the invention provides a power transmission and transformation project cost evaluation method based on data characteristic mining and analysis, which comprises the following steps:
the method comprises the following steps: acquiring the quantity of historical projects corresponding to the last five years and calling the project information corresponding to each historical project;
step two: analyzing the engineering information corresponding to each historical engineering, and further counting cost influence coefficients corresponding to each parameter of each historical engineering information;
step three: acquiring engineering information corresponding to a project to be manufactured, and matching and screening the engineering information corresponding to the project to be manufactured and the engineering information corresponding to each historical project;
and fourthly, according to the cost influence coefficient corresponding to the screened historical project with the highest matching degree, further counting the final estimated construction cost corresponding to the project to be constructed.
Preferably, the engineering information corresponding to the historical engineering in the first step includesMaterial cost information, conveying cost information and construction cost information corresponding to historical projects are numbered according to a preset sequence, the historical projects corresponding to the past five years are marked as 1,2, thew(Xw1,Xw2,...Xwi...Xwn)，Xwi represents w-th project information corresponding to the ith historical project, w represents the historical project information, and w is a, b, c, a, b and c respectively represent corresponding material cost information, conveying cost information and construction cost information corresponding to the historical project.
Specifically, the historical engineering information further includes historical engineering parameters, wherein the historical engineering parameters include material parameters, conveying parameters and construction parameters, the material parameters include the number corresponding to each material model and the unit price corresponding to each material model, the conveying parameters include conveying distance and topographic features corresponding to conveying roads, the construction parameters include volume weight and compactness corresponding to soil of each construction point in a construction route, the material models corresponding to each historical engineering are numbered according to a preset sequence and are sequentially marked as 1,2, ae d(Ce d1，Ce d2，...Ce dj...Ce dm)，Ce dj represents the e-th material parameter corresponding to the j-th material model of the d-th historical project, e represents the material parameter, e is h, t, h and t represent the material quantity and the material unit price respectively, the conveying road corresponding to each historical project is divided into regions according to the terrain characteristics corresponding to the conveying distance and the terrain characteristics corresponding to the conveying road in the conveying process corresponding to each historical project, the divided conveying road sections are obtained, the terrain characteristics corresponding to each conveying road section are compared and screened, the quantity of the conveying road sections corresponding to the terrain characteristics of each historical project is obtained and is recorded as s, the terrain characteristics corresponding to each historical project are numbered according to the preset sequence, the number is marked as 1,2, aConstruction parameters corresponding to historical projects are obtained, the volume weight and the compactness corresponding to the soil of each construction point in each historical project construction route are further obtained, the construction points in each historical project construction route are numbered according to the construction time sequence, the numbers are sequentially marked as 1,2, once.x, once.y, and then a soil compactness set J of each construction point of each historical project is respectively constructedd(Jd1,Jd2,...Jdx,...Jdy) and soil volume weight set B of each construction point of each historical projectd(Bd1,Bd2,...Bdx,...Bdy)，Jdx represents the compactness corresponding to the soil of the x construction point of the d historical engineering, BdAnd x represents the volume weight corresponding to the soil of the x construction point of the d historical project.
Preferably, the second step is to analyze the engineering information corresponding to each historical engineering for analyzing the material cost corresponding to each historical engineering information, and further obtain the quantity corresponding to each model material of each historical engineering and the unit price corresponding to each model material of each historical engineering according to each historical engineering material parameter set, and further obtain the average quantity corresponding to each model material of the historical engineering and the average unit price corresponding to each model material of the historical engineering, wherein the calculation formula of the average quantity corresponding to each model material of the historical engineering is
Figure BDA0003025523170000031
Figure BDA0003025523170000032
The average quantity corresponding to the r-th model material of the historical engineering is represented, and the calculation formula of the average unit price corresponding to each model material of the historical engineering is
Figure BDA0003025523170000033
Figure BDA0003025523170000034
The average unit price corresponding to the r-th model material of the historical engineering is represented, and the quantity corresponding to each model material of the historical engineering is respectively carried out with the average quantity corresponding to each model material of the historical engineeringComparing and counting the quantity cost influence coefficients of all the material models of all the historical projects, wherein the calculation formula of the quantity cost influence coefficients of all the material models of all the historical projects is
Figure BDA0003025523170000041
αd rRepresenting the quantity cost influence coefficient, h, corresponding to the r model material of the d historical engineeringd rThe method comprises the steps of representing the quantity corresponding to the r-th model material of the d-th historical engineering, wherein r represents the material model number, and r is 1,2, the
Figure BDA0003025523170000042
βd rShowing the unit price cost influence coefficient, h, corresponding to the r model material of the d historical engineeringd rShowing the unit price corresponding to the r-th model material of the d-th historical engineering, and further counting the comprehensive cost influence coefficient of each historical engineering material according to the counted quantity cost influence coefficient of each material model of each historical engineering and the unit price cost influence coefficient of each material model of each historical engineering
Figure BDA0003025523170000043
φdAnd (4) representing the comprehensive cost influence coefficient of the material corresponding to the d-th historical engineering, wherein m represents the number of the models corresponding to the material.
Preferably, the second step of analyzing the engineering information corresponding to each historical engineering is used to analyze the corresponding transportation cost in each historical engineering information, and further obtain the average transportation distance corresponding to each historical engineering according to the transportation distance corresponding to each historical engineering, and record the average transportation distance corresponding to each historical engineering as the average transportation distance corresponding to each historical engineering
Figure BDA0003025523170000044
And then each willThe conveying distances corresponding to the historical projects are respectively compared with the average conveying distance corresponding to the historical projects, and then the cost influence coefficients of the conveying distances of the historical projects are counted
Figure BDA0003025523170000045
λdRepresents a transport distance cost influence coefficient, L, corresponding to the d-th historical projectdThe conveying distance corresponding to the d-th historical project is represented, the number of road sections corresponding to all the terrain features is further obtained according to the terrain features corresponding to the conveying roads in the conveying process of all the historical projects, the conveying cost influence coefficients corresponding to all the terrain features are further called from the database according to the terrain features corresponding to the conveying roads in the conveying process of all the historical projects, and the conveying cost influence coefficients are recorded as
Figure BDA0003025523170000046
Further counting the influence coefficient of the comprehensive transportation cost of the topographic features of the transportation roads of each historical project
Figure BDA0003025523170000051
Figure BDA0003025523170000052
Representing the influence coefficient of the comprehensive transportation cost of the topographic characteristics of the transportation road corresponding to the d-th historical project,
Figure BDA0003025523170000053
representing the delivery cost influence coefficient, s, corresponding to the qth topographic feature of the ith historical projectq dRepresenting the number of road sections corresponding to the qth topographic feature of the ith historical project, v representing the number corresponding to the topographic feature, q representing a topographic feature number, q being 1,2, a
Figure BDA0003025523170000054
ζdRepresenting the d-th historical projectCorresponding comprehensive transportation cost influence coefficient.
Preferably, in the second step, the engineering information corresponding to each historical engineering is analyzed to analyze the construction cost corresponding to each historical engineering information, the soil compactness and the volume weight corresponding to each construction point of each historical engineering are further obtained according to the soil compactness set of each construction point of each historical engineering and the soil volume weight set of each construction point of each historical engineering, the average compactness corresponding to the soil of the construction points of the historical engineering is counted according to the soil compactness corresponding to each construction point of each historical engineering, wherein the average compactness corresponding to the soil of the construction points of the historical engineering is calculated according to a formula
Figure BDA0003025523170000055
Figure BDA0003025523170000056
Representing the average degree of compaction, J, corresponding to the soil at the construction site of the historical projectd pRepresenting the compactness corresponding to the p construction point soil of the d historical engineering, wherein p represents the construction point number, p is 1,2, x, y, comparing the compactness corresponding to each construction point soil of each historical engineering with the average compactness corresponding to the construction point soil of the historical engineering respectively, and counting the cost influence coefficient of the compactness corresponding to each construction point soil of each historical engineering, wherein the calculation formula is
Figure BDA0003025523170000057
θd pExpressing the cost influence coefficient of the soil compactness of the p-th construction point of the d-th historical engineering, and counting the average volume weight corresponding to the soil of the construction points of the historical engineering according to the volume weight of the soil corresponding to each construction point of each historical engineering, wherein the calculation formula is
Figure BDA0003025523170000061
Figure BDA0003025523170000062
Represents the corresponding average volume weight of the soil at the construction point of the historical project, Bd pRepresents the p th construction of the d th historical projectComparing the volume weight corresponding to the construction point soil of each historical project with the average volume weight corresponding to the construction point soil of each historical project, and further counting the influence coefficient of the volume weight cost of the soil of each construction point of each historical project, wherein the calculation formula is
Figure BDA0003025523170000063
Figure BDA0003025523170000064
Expressing the unit weight cost influence coefficient of the p construction point of the d historical engineering, and counting the comprehensive construction cost influence coefficient of each historical engineering according to the counted soil compactness cost influence coefficient of each construction point of each historical engineering and the soil unit weight construction influence coefficient of each construction point of each historical engineering, wherein the calculation formula is
Figure BDA0003025523170000065
ψdAnd the comprehensive construction cost influence coefficient corresponding to the d-th historical project is shown, y represents the number of construction points corresponding to each historical project, and n represents the number of the historical projects.
Preferably, the analysis of the engineering information corresponding to each historical engineering in the second step is also used for performing comprehensive analysis of the engineering information corresponding to each historical engineering, and the comprehensive influence coefficient of the construction cost per unit distance corresponding to each historical engineering is further counted according to the counted comprehensive influence coefficient of the cost of each historical engineering material, the calculated comprehensive influence coefficient of the transportation cost of each historical engineering and the calculated comprehensive influence coefficient of the construction cost of each historical engineering
Figure BDA0003025523170000066
ZdAnd the comprehensive influence coefficient of the unit distance construction cost corresponding to the d-th historical project is shown.
Preferably, the step three, acquiring the engineering information corresponding to the project to be manufactured includes acquiring estimated manufacturing cost amount, estimated material cost information, estimated transportation cost information and estimated construction cost information corresponding to the project to be manufactured, wherein the estimated material cost information includes pre-estimated construction cost information corresponding to the project to be manufacturedEstimating material usage models, the quantity and unit price corresponding to each estimated material usage model, estimating conveying cost information including an estimated starting position and an estimated stopping position corresponding to the project to be manufactured and topographic characteristics corresponding to the estimated transportation road of the project to be manufactured, estimating construction cost information including estimated construction point positions, estimated construction point numbers, the compactness corresponding to soil of each estimated construction point and the volume weight corresponding to soil of each estimated construction point, numbering the estimated usage models of the materials corresponding to the project to be manufactured according to a preset sequence, and sequentially marking the estimated usage models as 1 ', 2 ',. j ',. m ', so as to construct a material information set T ' of the project to be manufacturedu(Tu1,Tu2,...Tuj′,...Tum′)，Tuj 'represents the u-th information corresponding to the jth estimated material usage model of the project to be manufactured, u represents the corresponding information of the estimated material usage model, u is h', t ', h' and t 'respectively represent the corresponding quantity of the estimated material usage model and the unit price corresponding to the estimated material usage model, the estimated conveying distance corresponding to the project to be manufactured is obtained according to the estimated starting position and the estimated ending position corresponding to the project to be manufactured and is marked as L', the terrain features corresponding to the estimated conveying road of the project to be manufactured are numbered according to the preset sequence according to the terrain features corresponding to the estimated conveying road of the project to be manufactured, and are marked as 1 ', 2', k ', v' and so as to divide the estimated conveying road of the project to be manufactured according to the terrain features thereof and further obtain divided road sections, comparing and screening the topographic features corresponding to each road section of the project to be manufactured, further acquiring the number of road sections corresponding to the topographic features of the estimated transportation road of the project to be manufactured, and numbering the estimated construction points of the project to be manufactured according to a preset sequence according to the number of estimated construction points corresponding to the project to be manufactured, sequentially marking the estimated construction points as 1 ', 2 ',. x ',. y ', further constructing a soil compactness set J ' (J ' 1 ', J ' 2 ',. J ' x.. J ' y ') of the estimated construction points of the project to be manufactured and a soil volume weight set B ' (B ' 1 ', B ' 2 ',. B ' x.. B ' y '), wherein J ' x ' represents the first project to be manufactured J ''the compactness corresponding to the estimated construction point soil, B' x 'represents the volume weight corresponding to the estimated construction point soil of the J' project to be built.
Preferably, in the third step, the engineering information corresponding to the project to be manufactured and the engineering information corresponding to each historical project are matched and screened for respectively matching and screening the estimated material cost information, the estimated transportation cost information and the estimated construction cost information corresponding to the project to be manufactured and the engineering information corresponding to each historical project, further, the estimated material cost information corresponding to the project to be manufactured and the material cost information corresponding to each historical project are matched and screened for further obtaining the matching degree of each historical engineering material cost information and the estimated material cost information corresponding to the project to be manufactured, meanwhile, according to the unit price corresponding to each estimated material usage model of the project to be manufactured, the model of the historical engineering material model which is consistent with each estimated material usage model of the project to be manufactured and the average unit price corresponding to each model are retrieved from each historical engineering information, comparing the unit price corresponding to each estimated material usage model of the project to be manufactured with the average unit price corresponding to the model of the historical project material and the model of each estimated material usage model of the project to be manufactured, and further counting the market price movement coefficient of each material model, wherein the calculation formula is
Figure BDA0003025523170000081
σr′Representing market price mobilization coefficient, t ' corresponding to the r ' material model 'r′Showing the unit price corresponding to the using model of the estimated material at the r' th of the project to be manufactured,
Figure BDA0003025523170000082
representing the average unit price corresponding to the model of the historical project model consistent with the model of the r ' th estimated material of the project to be manufactured, r ' representing the model number of the project material to be manufactured, r ' being 1 ', 2 ', aMatching degree corresponding to estimated conveying cost information corresponding to the project to be manufactured, matching and screening the estimated construction cost information corresponding to the project to be manufactured and construction cost information corresponding to each historical project, obtaining matching degree corresponding to each historical project construction cost information and the estimated construction cost information corresponding to the project to be manufactured, obtaining comprehensive matching degree of the project information corresponding to each historical project and the project information corresponding to the project to be manufactured according to the matching degree corresponding to each historical project material cost information and the estimated material cost information corresponding to the project to be manufactured, the matching degree corresponding to each historical project conveying cost information and the estimated conveying cost information corresponding to the project to be manufactured and the matching degree corresponding to each historical project construction cost information and the estimated construction cost information corresponding to the project to be manufactured, and obtaining the comprehensive matching degree of the project information corresponding to each historical project and the project information corresponding to the project to be manufactured according to the comprehensive matching degree of the project information corresponding to the project to be manufactured And sequencing according to the sequence of the big project to the small project, calling the project information corresponding to the historical project with the first rank, recording the historical project as a matching project, calling the number corresponding to the matching project, and calling the unit distance construction cost comprehensive influence coefficient corresponding to the matching project according to the number corresponding to the matching project.
Preferably, the final estimated construction cost calculation formula corresponding to the construction project to be constructed in the fourth step is Y ═ G × L' × Zd*σr′Y represents the final estimated construction cost corresponding to the project to be constructed, and G represents the final estimated construction cost corresponding to the project to be constructed.
The invention has the beneficial effects that:
(1) according to the power transmission and transformation project cost evaluation method based on data characteristic mining and analysis, historical project material cost information, conveying cost information, construction cost information, estimated material cost information of a project to be manufactured, estimated conveying cost information and estimated construction cost information are obtained and analyzed, and finally estimated manufacturing cost corresponding to the project to be manufactured is counted.
(2) The invention analyzes the material information of each historical project, thereby effectively analyzing the influence of each material model on the construction cost, and simultaneously providing comparison data for the subsequent construction cost evaluation of the project to be constructed.
(3) According to the invention, through statistics of market price transfer coefficients of various material models, historical prices of various material models are compared with current actual prices, so that transfer coefficients corresponding to markets corresponding to various material model prices in the current markets are effectively analyzed, and further the authenticity and rationality of a construction cost evaluation result of a project to be constructed are greatly improved.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the steps of the method of the present invention.
Detailed Description
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Referring to fig. 1, a method for estimating construction cost of power transmission and transformation project based on data feature mining and analysis includes the following steps:
the method comprises the following steps: acquiring the quantity of historical projects corresponding to the last five years and calling the project information corresponding to each historical project;
in particular, the historyThe engineering information corresponding to the engineering comprises material cost information, conveying cost information and construction cost information corresponding to historical engineering, the historical engineering corresponding to the last five years is numbered according to a preset sequence, the number is marked as 1,2, thew(Xw1,Xw2,...Xwi...Xwn)，Xwi represents w-th project information corresponding to the ith historical project, w represents the historical project information, and w is a, b, c, a, b and c respectively represent corresponding material cost information, conveying cost information and construction cost information corresponding to the historical project.
The historical engineering information further comprises historical engineering parameters, the historical engineering parameters comprise material parameters, conveying parameters and construction parameters, the material parameters comprise the number corresponding to each material model and the unit price corresponding to each material model, the conveying parameters comprise conveying distance and topographic features corresponding to conveying roads, the construction parameters comprise the unit weight and the compactness corresponding to soil of each construction point in a construction route, the material models corresponding to the historical engineering are numbered according to a preset sequence according to the material models corresponding to the historical engineering, the material models corresponding to the historical engineering are marked as 1,2, a.j, a.m, the number corresponding to the material models and the unit price corresponding to the material models are further constructed, and a historical engineering material parameter set C is further constructede d(Ce d1，Ce d2，...Ce dj...Ce dm)，Ce dj represents the e-th material parameter corresponding to the j-th material model of the d-th historical project, e represents the material parameter, e is h, t, h and t respectively represent the material quantity and the material unit price, the conveying road corresponding to each historical project is divided into regions according to the terrain characteristics of the conveying road in the conveying process and the conveying distance corresponding to each historical project, so as to obtain each divided conveying road section, the terrain characteristics corresponding to each conveying road section are compared and screened, so as to obtain the conveying road section quantity corresponding to each terrain characteristic of each historical project and is marked as s, the terrain characteristics corresponding to each historical project are numbered according to a preset sequence, and are marked as 1 and 2 in sequence,... k.. v, according to the construction parameters corresponding to each historical project, further obtaining the volume weight and the compactness corresponding to the soil of each construction point in each historical project construction route, numbering the construction points in each historical project construction route according to the construction time sequence, sequentially marking the construction points as 1, 2.. x.. y, and further respectively constructing each construction point soil compactness set J of each historical projectd(Jd1,Jd2,...Jdx,...Jdy) and soil volume weight set B of each construction point of each historical projectd(Bd1,Bd2,...Bdx,...Bdy)，Jdx represents the compactness corresponding to the soil of the x construction point of the d historical engineering, BdAnd x represents the volume weight corresponding to the soil of the x construction point of the d historical project.
Step two: analyzing the engineering information corresponding to each historical engineering, and further counting cost influence coefficients corresponding to each parameter of each historical engineering information;
analyzing the engineering information corresponding to each historical engineering for analyzing the material cost corresponding to each historical engineering information, further acquiring the quantity corresponding to each type of material of each historical engineering and the unit price corresponding to each type of material of each historical engineering according to each historical engineering material parameter set, further acquiring the average quantity corresponding to each type of material of the historical engineering and the average unit price corresponding to each type of material of the historical engineering, wherein the calculation formula of the average quantity corresponding to each type of material of the historical engineering is
Figure BDA0003025523170000111
Figure BDA0003025523170000112
The average quantity corresponding to the r-th model material of the historical engineering is represented, and the calculation formula of the average unit price corresponding to each model material of the historical engineering is
Figure BDA0003025523170000113
Figure BDA0003025523170000114
The average unit price corresponding to the r-th model material of the historical engineering is represented, the quantity corresponding to each model material of the historical engineering is compared with the average quantity corresponding to each model material of the historical engineering, and then the quantity cost influence coefficient of each model material of the historical engineering is calculated, wherein the calculation formula of the quantity cost influence coefficient of each model material of the historical engineering is
Figure BDA0003025523170000121
αd rRepresenting the quantity cost influence coefficient, h, corresponding to the r model material of the d historical engineeringd rThe method comprises the steps of representing the quantity corresponding to the r-th model material of the d-th historical engineering, wherein r represents the material model number, and r is 1,2, the
Figure BDA0003025523170000122
βd rShowing the unit price cost influence coefficient, h, corresponding to the r model material of the d historical engineeringd rShowing the unit price corresponding to the r-th model material of the d-th historical engineering, and further counting the comprehensive cost influence coefficient of each historical engineering material according to the counted quantity cost influence coefficient of each material model of each historical engineering and the unit price cost influence coefficient of each material model of each historical engineering
Figure BDA0003025523170000123
φdAnd (4) representing the comprehensive cost influence coefficient of the material corresponding to the d-th historical engineering, wherein m represents the number of the models corresponding to the material.
The embodiment of the invention analyzes the material information of each historical project, further effectively analyzes the influence of each material model on the construction cost, and simultaneously provides comparison data for the subsequent construction cost evaluation of the project to be constructed.
Wherein, for each historical projectAnalyzing the corresponding engineering information to analyze the corresponding conveying cost in the historical engineering information, further acquiring the average conveying distance corresponding to the historical engineering according to the conveying distance corresponding to the historical engineering, and recording the average conveying distance corresponding to the historical engineering as the average conveying distance corresponding to the historical engineering
Figure BDA0003025523170000125
And comparing the conveying distance corresponding to each historical project with the average conveying distance corresponding to each historical project, and further counting the cost influence coefficient of the conveying distance of each historical project
Figure BDA0003025523170000124
λdRepresents a transport distance cost influence coefficient, L, corresponding to the d-th historical projectdThe conveying distance corresponding to the d-th historical project is represented, the number of road sections corresponding to all the terrain features is further obtained according to the terrain features corresponding to the conveying roads in the conveying process of all the historical projects, the conveying cost influence coefficients corresponding to all the terrain features are further called from the database according to the terrain features corresponding to the conveying roads in the conveying process of all the historical projects, and the conveying cost influence coefficients are recorded as
Figure BDA0003025523170000131
Further counting the influence coefficient of the comprehensive transportation cost of the topographic features of the transportation roads of each historical project
Figure BDA0003025523170000132
Figure BDA0003025523170000133
Representing the influence coefficient of the comprehensive transportation cost of the topographic characteristics of the transportation road corresponding to the d-th historical project,
Figure BDA0003025523170000134
representing the delivery cost influence coefficient, s, corresponding to the qth topographic feature of the ith historical projectq dRepresents the number of road sections corresponding to the q-th topographic features of the d-th historical project, v represents the number corresponding to the topographic features, q represents a topographic feature number, q is 1,and 2, according to the statistical influence coefficients of the conveying distance cost of each historical project and the comprehensive conveying cost influence coefficients of the topographic features of the conveying roads of each historical project, further counting the comprehensive conveying cost influence coefficients of each historical project, wherein the calculation formula is
Figure BDA0003025523170000135
ζdAnd showing the comprehensive conveying cost influence coefficient corresponding to the d-th historical project.
Analyzing the engineering information corresponding to each historical engineering for analyzing the corresponding construction cost in the engineering information of each historical engineering, acquiring the soil compactness and the volume weight corresponding to each construction point of each historical engineering according to the soil compactness set of each construction point of each historical engineering and the soil volume weight set of each construction point of each historical engineering, counting the average compactness corresponding to the soil of the construction points of the historical engineering according to the soil compactness corresponding to each construction point of each historical engineering, wherein the calculation formula of the average compactness corresponding to the soil of the construction points of the historical engineering is
Figure BDA0003025523170000136
Figure BDA0003025523170000137
Representing the average degree of compaction, J, corresponding to the soil at the construction site of the historical projectd pRepresenting the compactness corresponding to the p construction point soil of the d historical engineering, wherein p represents the construction point number, p is 1,2, x, y, comparing the compactness corresponding to each construction point soil of each historical engineering with the average compactness corresponding to the construction point soil of the historical engineering respectively, and counting the cost influence coefficient of the compactness corresponding to each construction point soil of each historical engineering, wherein the calculation formula is
Figure BDA0003025523170000138
θd pExpressing the cost influence coefficient of the soil compactness of the p-th construction point of the d-th historical engineering, and counting the average volume weight corresponding to the soil of the construction points of the historical engineering according to the volume weight of the soil corresponding to each construction point of each historical engineering, wherein the calculation formula is
Figure BDA0003025523170000141
Figure BDA0003025523170000142
Represents the corresponding average volume weight of the soil at the construction point of the historical project, Bd pExpressing the volume weight corresponding to the p construction point soil of the d historical engineering, comparing the volume weight of the soil corresponding to each construction point of each historical engineering with the average volume weight corresponding to the construction point soil of the historical engineering, and further counting the influence coefficient of the volume weight cost of the soil of each construction point of each historical engineering, wherein the calculation formula is as follows
Figure BDA0003025523170000143
Figure BDA0003025523170000144
Expressing the unit weight cost influence coefficient of the p construction point of the d historical engineering, and counting the comprehensive construction cost influence coefficient of each historical engineering according to the counted soil compactness cost influence coefficient of each construction point of each historical engineering and the soil unit weight construction influence coefficient of each construction point of each historical engineering, wherein the calculation formula is
Figure BDA0003025523170000145
ψdAnd the comprehensive construction cost influence coefficient corresponding to the d-th historical project is shown, y represents the number of construction points corresponding to each historical project, and n represents the number of the historical projects.
Analyzing the engineering information corresponding to each historical engineering, comprehensively analyzing the engineering information corresponding to each historical engineering, and further counting the comprehensive influence coefficient of the construction cost per unit distance corresponding to each historical engineering according to the counted comprehensive influence coefficient of the construction cost of each historical engineering material, the counted comprehensive influence coefficient of the conveying cost of each historical engineering and the counted comprehensive influence coefficient of the construction cost of each historical engineering
Figure BDA0003025523170000146
ZdRepresenting the d-th historical project correspondencesAnd the construction cost comprehensive influence coefficient per unit distance.
Step three: acquiring engineering information corresponding to a project to be manufactured, and matching and screening the engineering information corresponding to the project to be manufactured and the engineering information corresponding to each historical project;
specifically, the step of obtaining the project information corresponding to the project to be manufactured comprises the steps of obtaining estimated manufacturing cost amount, estimated material cost information, estimated conveying cost information and estimated construction cost information corresponding to the project to be manufactured, wherein the estimated material cost information comprises the estimated material usage model corresponding to the project to be manufactured, the quantity and unit price corresponding to each estimated material usage model, the estimated conveying cost information comprises the estimated starting position and estimated ending position corresponding to the project to be manufactured and the topographic characteristics corresponding to the estimated transportation road of the project to be manufactured, the construction cost information comprises the estimated construction point position, estimated construction point number, tightness corresponding to each construction point soil and volume weight corresponding to each estimated construction point soil corresponding to the project to be manufactured, the estimated material usage models corresponding to the project to be manufactured are numbered according to a preset sequence, sequentially marked as 1 ', 2',. j ',. m', and further constructing the engineering material information set T to be manufacturedu(Tu1,Tu2,...Tuj′,...Tum′)，Tuj 'represents the u-th information corresponding to the jth estimated material usage model of the project to be manufactured, u represents the corresponding information of the estimated material usage model, u is h', t ', h' and t 'respectively represent the corresponding quantity of the estimated material usage model and the unit price corresponding to the estimated material usage model, the estimated conveying distance corresponding to the project to be manufactured is obtained according to the estimated starting position and the estimated ending position corresponding to the project to be manufactured and is marked as L', the terrain features corresponding to the estimated conveying road of the project to be manufactured are numbered according to the preset sequence according to the terrain features corresponding to the estimated conveying road of the project to be manufactured, and are marked as 1 ', 2', k ', v' and so as to divide the estimated conveying road of the project to be manufactured according to the terrain features thereof and further obtain divided road sections, comparing and screening the corresponding topographic features of each road section of the project to be manufactured,further acquiring the number of road sections corresponding to the topographic features of the estimated transportation road of the project to be built, and simultaneously according to the number of estimated construction points corresponding to the project to be built, numbering each estimated construction point of the project to be constructed according to a preset sequence, sequentially marking the construction points as 1 ', 2',. x ',. y', and further constructing a soil compactness set J '(J' 1 ', J' 2 ',. J' x.. J 'y') of each estimated construction point of the project to be constructed and a soil volume weight set B '(B' 1 ', B' 2 ',. B' x.. B 'y') of each estimated construction point of the project to be constructed, wherein J 'x' represents the compactness corresponding to the soil of the estimated construction point of the project J 'to be constructed, and B' x 'represents the volume weight corresponding to the soil of the estimated construction point of the project J' to be constructed.
Wherein, the project information corresponding to the project to be manufactured is matched and screened with the project information corresponding to each historical project, the estimated material cost information, the estimated transportation cost information and the estimated construction cost information corresponding to the project to be manufactured are respectively matched and screened with the project information corresponding to each historical project, the estimated material cost information corresponding to the project to be manufactured is matched and screened with the material cost information corresponding to each historical project, the matching degree of each historical project material cost information and the estimated material cost information corresponding to the project to be manufactured is obtained, meanwhile, the unit price corresponding to each material usage model corresponding to the project to be manufactured is estimated, and the model number of the historical project material model and the estimated material usage model number of the project to be manufactured are consistent and the average unit price corresponding to each model number are extracted from each historical project information, comparing the unit price corresponding to each estimated material usage model of the project to be manufactured with the average unit price corresponding to the model of the historical project material and the model of each estimated material usage model of the project to be manufactured, and further counting the market price movement coefficient of each material model, wherein the calculation formula is
Figure BDA0003025523170000161
σr′Representing market price mobilization coefficient, t ' corresponding to the r ' material model 'r′Represents the r' th estimated material usage model pair of the project to be manufacturedThe price of the product is the same as the original price,
Figure BDA0003025523170000162
representing the average unit price corresponding to the model of the historical project with the same model as the r ' th estimated material of the project to be manufactured, r ' representing the model number of the project to be manufactured, r ' being 1 ', 2 ', r, j ', r, m ', matching and screening the estimated conveying cost information corresponding to the project to be manufactured and the conveying cost information corresponding to each historical project, further obtaining the matching degree corresponding to the conveying cost information of each historical project and the estimated conveying cost information corresponding to the project to be manufactured, simultaneously matching and screening the estimated construction cost information corresponding to the project to be manufactured and the construction cost information corresponding to each historical project, further obtaining the matching degree corresponding to the estimated construction cost information corresponding to the project to be manufactured, and according to the matching degree corresponding to the estimated construction cost information corresponding to the material cost information of each historical project and the project to be manufactured, The matching degree of each historical project conveying cost information corresponding to the estimated conveying cost information corresponding to the project to be manufactured and the matching degree of each historical project construction cost information corresponding to the estimated construction cost information corresponding to the project to be manufactured are obtained, the comprehensive matching degree of the project information corresponding to each historical project and the project information corresponding to the project to be manufactured is obtained, the project information corresponding to each historical project and the comprehensive matching degree of the project information corresponding to the project to be manufactured are sequenced from big to small, the project information corresponding to the historical project with the first rank is obtained, the historical project is marked as a matching project, the number corresponding to the matching project is obtained, and the comprehensive influence coefficient of the unit distance construction cost corresponding to the matching project is obtained according to the number corresponding to the matching project.
According to the embodiment of the invention, the market price movement coefficient of each material model is counted, and then the market corresponding movement coefficient corresponding to each material model price in the current market is effectively analyzed by comparing the historical price of each material model with the current actual price, so that the authenticity and the reasonability of the construction cost evaluation result of the project to be constructed are greatly improved.
In the embodiment of the invention, the method for acquiring the matching degree corresponding to each historical engineering material information and the estimated material cost information corresponding to the project to be built comprises the following steps:
a1, obtaining the material model corresponding to each historical project and the estimated used material model corresponding to the project to be built;
a2, matching and screening the estimated used material model corresponding to the project to be manufactured with the material model corresponding to each historical project, and acquiring the quantity corresponding to the material model of each historical project, which is the same as the estimated used material model corresponding to the project to be manufactured, and recording the quantity as g;
a3, comparing the quantity corresponding to the material model of each historical project, which is the same as the estimated used material model corresponding to the project to be built, with the quantity corresponding to the material model of each historical project;
a4, counting the matching degree of each historical engineering material information and the estimated material cost information corresponding to the project to be built, wherein the calculation formula is
Figure BDA0003025523170000171
ηdRepresenting the degree of matching between the d-th historical engineering material information and the estimated material cost information corresponding to the project to be built, gdRepresenting the number of the d-th historical engineering material model corresponding to the material model with the same estimated used material model corresponding to the project to be manufactured, mdIndicating the corresponding quantity of the d-th historical engineering material model.
The method for acquiring the matching degree corresponding to the historical project conveying cost information and the estimated conveying cost information corresponding to the project to be built comprises the following steps:
s1, acquiring the conveying distance corresponding to each historical project and the estimated conveying distance corresponding to the project to be built;
s2, comparing and screening the conveying distance corresponding to each historical project and the estimated conveying distance corresponding to the project to be manufactured, and further counting the conveying distance of each historical project and the estimated conveying distance corresponding to the project to be manufacturedThe matching degree of the distance is calculated by the formula
Figure BDA0003025523170000181
εdShowing the matching degree of the delivery distance of the d-th historical project and the estimated delivery distance corresponding to the project to be built, wherein LdThe smaller the difference from L', the smaller is epsilondThe larger;
s3, acquiring topographic features corresponding to the delivery roads of each historical project and topographic features corresponding to the estimated delivery roads of the project to be built;
s4, comparing and screening the topographic features of the delivery roads of various historical projects and the topographic features of the estimated delivery roads of the projects to be manufactured, and further acquiring the number of the topographic features of the delivery roads of various historical projects, which are the same as the topographic features of the estimated delivery roads of the projects to be manufactured, and recording the number as P;
s5, comparing the quantity of the topographic features of the historical project delivery roads, which are the same as the topographic features of the to-be-manufactured project estimated delivery roads, with the quantity corresponding to the topographic features of the historical project delivery roads, and counting the matching degree of the topographic features of the historical project delivery roads and the to-be-manufactured project estimated delivery roads, wherein the calculation formula is
Figure BDA0003025523170000182
κdRepresenting the matching degree of the topographic features of the delivery road of the ith historical project and the topographic features of the estimated delivery road of the project to be built, PdRepresenting the quantity of the topographic features of the transport road of the d-th historical project, vdRepresenting the number corresponding to the terrain features of the d historical engineering delivery roads;
s6, according to the matching degree of the statistical historical project conveying distance and the estimated conveying distance corresponding to the project to be manufactured and the matching degree of the topographic characteristics of the conveying road of each historical project and the estimated transport road topographic characteristics of the project to be manufactured, the matching degree of the conveying cost information of each historical project corresponding to the estimated conveying cost information corresponding to the project to be manufactured is further calculated, and the calculation formula is
Figure BDA0003025523170000183
Figure BDA0003025523170000184
And representing the matching degree of the transport cost information of the ith historical project and the estimated transport cost information corresponding to the project to be built.
The method for acquiring the matching degree corresponding to the construction cost information of each historical project and the estimated construction cost information corresponding to the project to be built comprises the following steps:
h1, acquiring the compactness corresponding to each construction point soil of each historical project and the compactness corresponding to the estimated construction point soil corresponding to the project to be manufactured;
h2, comparing the compactness corresponding to each construction point soil of each historical project with the compactness corresponding to the estimated construction point soil corresponding to the project to be manufactured, and further counting the matching degree of the compactness corresponding to each construction point soil of each historical project and the estimated construction point soil compactness corresponding to the project to be manufactured, wherein the calculation formula is
Figure BDA0003025523170000191
χdRepresenting the matching degree, J ', corresponding to the soil compactness of the construction point of the d-th historical project and the estimated construction point corresponding to the project to be constructed'p′Representing the compaction degree corresponding to the p' th estimated construction point soil of the project to be manufactured, wherein Jd pAnd J'p′The larger the difference is, the higher the xdThe smaller p 'represents the number of the estimated construction point corresponding to the project to be constructed, and p' is 1 ', 2',. x ',. y';
h3, comparing the volume weight corresponding to each construction point soil of each historical project with the volume weight corresponding to the estimated construction point soil corresponding to the project to be manufactured, and further counting the matching degree of the volume weight of each construction point soil of each historical project and the estimated construction point soil corresponding to the project to be manufactured, wherein the calculation formula is
Figure BDA0003025523170000192
ξdRepresenting the matching degree, B ', corresponding to the soil volume weight of the d historical engineering construction points and the estimated construction point soil volume weight corresponding to the project to be constructed'p′Representing the volume weight corresponding to the p' th estimated construction point soil of the project to be constructed, Bd pAnd B'p′The greater the difference in the values of (c) is,
Figure BDA0003025523170000193
the smaller the value;
h4, according to the matching degree of the construction points corresponding to the counted historical projects and the estimated construction points of the project to be manufactured, the matching degree of the soil compactness of each construction point of each historical project corresponding to the estimated construction point soil compactness corresponding to the project to be manufactured and the matching degree of the soil unit weight of each construction point of each historical project corresponding to the estimated construction point soil unit weight corresponding to the project to be manufactured, further, the matching degree of the construction cost information of each historical project corresponding to the estimated construction cost information corresponding to the project to be manufactured is counted, and the calculation formula is that
Figure BDA0003025523170000201
ldAnd representing the corresponding matching of the d pieces of historical construction cost information and the estimated construction cost information corresponding to the project to be built.
The calculation formula of the comprehensive matching degree of the engineering information corresponding to each historical engineering and the engineering information corresponding to the engineering to be built is
Figure BDA0003025523170000202
RdAnd representing the comprehensive matching degree of the engineering information corresponding to the d historical projects and the engineering information corresponding to the project to be built.
And fourthly, according to the cost influence coefficient corresponding to the screened historical project with the highest matching degree, further counting the final estimated construction cost corresponding to the project to be constructed.
Wherein, the final estimated cost calculation formula corresponding to the project to be manufactured is Y G L Zd*σr′Y represents the final estimated construction cost corresponding to the project to be constructed, and G represents the final estimated construction cost corresponding to the project to be constructed.
According to the embodiment of the invention, historical engineering material cost information, conveying cost information and construction cost information, estimated material cost information, estimated conveying cost information and estimated construction cost information of the project to be constructed are obtained and analyzed, so that the final estimated construction cost corresponding to the project to be constructed is counted, the problem that reference data of the conventional construction cost estimation method of the power transmission and transformation project does not have real-time performance is solved, the reference of the construction cost estimation result of the power transmission and transformation project is greatly improved, and meanwhile, the accuracy and the reliability of the construction cost estimation result of the power transmission and transformation project are greatly improved.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims (10)

1. A power transmission and transformation project cost assessment method based on data characteristic mining and analysis is characterized in that: the method comprises the following steps:
the method comprises the following steps: acquiring the quantity of historical projects corresponding to the last five years and calling the project information corresponding to each historical project;
step two: analyzing the engineering information corresponding to each historical engineering, and further counting cost influence coefficients corresponding to each parameter of each historical engineering information;
step three: acquiring engineering information corresponding to a project to be manufactured, and matching and screening the engineering information corresponding to the project to be manufactured and the engineering information corresponding to each historical project;
and fourthly, according to the cost influence coefficient corresponding to the screened historical project with the highest matching degree, further counting the final estimated construction cost corresponding to the project to be constructed.
2. The method of claim 1, wherein the method comprises a step of estimating construction costs of the power transmission and transformation project based on data feature mining and analysisThe method comprises the following steps: the engineering information corresponding to the historical engineering in the first step comprises material cost information, conveying cost information and construction cost information corresponding to the historical engineering, the historical engineering corresponding to the historical engineering in the last five years is numbered according to a preset sequence, the number is sequentially marked as 1,2, 1.. i.. n, and then each historical engineering information set X is constructedw(Xw1,Xw2,...Xwi...Xwn)，Xwi represents w-th project information corresponding to the ith historical project, w represents the historical project information, and w is a, b, c, a, b and c respectively represent corresponding material cost information, conveying cost information and construction cost information corresponding to the historical project.
3. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 2, characterized in that: the historical engineering information further comprises historical engineering parameters, wherein the historical engineering parameters comprise material parameters, conveying parameters and construction parameters, the material parameters comprise the number corresponding to each material model and the unit price corresponding to each material model, the conveying parameters comprise conveying distance and topographic features corresponding to conveying roads, the construction parameters comprise the volume weight and the compactness corresponding to soil of each construction point in a construction route, the material models corresponding to each historical engineering are numbered according to a preset sequence according to the material models corresponding to each historical engineering, the material models are marked as 1,2, ae d(Ce d1，Ce d2，...Ce dj...Ce dm)，Ce dj represents the e-th material parameter corresponding to the j-th material model of the d-th historical project, e represents the material parameter, e is h, t, h and t respectively represent the material quantity and the material unit price, the conveying road corresponding to each historical project is divided into regions according to the terrain features of the conveying road corresponding to the conveying distance and the terrain features of the conveying road in the conveying process corresponding to each historical project, each divided conveying road section is obtained, and the ground corresponding to each conveying road section is further divided into regions according to the terrain features of the conveying road corresponding to each historical projectComparing and screening the shape characteristics, further acquiring the number of conveying road sections corresponding to the shape characteristics of each historical project, recording the number as s, numbering the shape characteristics corresponding to each historical project according to a preset sequence, sequentially marking the shape characteristics as 1,2, ad(Jd1,Jd2,...Jdx,...Jdy) and soil volume weight set B of each construction point of each historical projectd(Bd1,Bd2,...Bdx,...Bdy)，Jdx represents the compactness corresponding to the soil of the x construction point of the d historical engineering, BdAnd x represents the volume weight corresponding to the soil of the x construction point of the d historical project.
4. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: analyzing the engineering information corresponding to each historical engineering in the second step to analyze the material cost corresponding to each historical engineering information, further acquiring the quantity corresponding to each type of material of each historical engineering and the unit price corresponding to each type of material of each historical engineering according to each historical engineering material parameter set, further acquiring the average quantity corresponding to each type of material of the historical engineering and the average unit price corresponding to each type of material of the historical engineering, wherein the calculation formula of the average quantity corresponding to each type of material of the historical engineering is
Figure FDA0003025523160000021
Figure FDA0003025523160000022
The average quantity corresponding to the r-th model material of the historical engineering is represented, and the calculation formula of the average unit price corresponding to each model material of the historical engineering is
Figure FDA0003025523160000031
Figure FDA0003025523160000032
The average unit price corresponding to the r-th model material of the historical engineering is represented, the quantity corresponding to each model material of the historical engineering is compared with the average quantity corresponding to each model material of the historical engineering, and then the quantity cost influence coefficient of each model material of the historical engineering is calculated, wherein the calculation formula of the quantity cost influence coefficient of each model material of the historical engineering is
Figure FDA0003025523160000033
αd rRepresenting the quantity cost influence coefficient, h, corresponding to the r model material of the d historical engineeringd rThe method comprises the steps of representing the quantity corresponding to the r-th model material of the d-th historical engineering, wherein r represents the material model number, and r is 1,2, the
Figure FDA0003025523160000034
βd rShowing the unit price cost influence coefficient, h, corresponding to the r model material of the d historical engineeringd rShowing the unit price corresponding to the r-th model material of the d-th historical engineering, and further counting the comprehensive cost influence coefficient of each historical engineering material according to the counted quantity cost influence coefficient of each material model of each historical engineering and the unit price cost influence coefficient of each material model of each historical engineering
Figure FDA0003025523160000035
φdAnd (4) representing the comprehensive cost influence coefficient of the material corresponding to the d-th historical engineering, wherein m represents the number of the models corresponding to the material.
5. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: analyzing the engineering information corresponding to each historical engineering in the second step to analyze the corresponding conveying cost in the engineering information of each historical engineering, further acquiring the average conveying distance corresponding to each historical engineering according to the conveying distance corresponding to each historical engineering, and recording the average conveying distance corresponding to each historical engineering as the average conveying distance corresponding to each historical engineering
Figure FDA0003025523160000036
And comparing the conveying distance corresponding to each historical project with the average conveying distance corresponding to each historical project, and further counting the cost influence coefficient of the conveying distance of each historical project
Figure FDA0003025523160000037
λdRepresents a transport distance cost influence coefficient, L, corresponding to the d-th historical projectdThe conveying distance corresponding to the d-th historical project is represented, the number of road sections corresponding to all the terrain features is further obtained according to the terrain features corresponding to the conveying roads in the conveying process of all the historical projects, the conveying cost influence coefficients corresponding to all the terrain features are further called from the database according to the terrain features corresponding to the conveying roads in the conveying process of all the historical projects, and the conveying cost influence coefficients are recorded as
Figure FDA0003025523160000041
Further counting the influence coefficient of the comprehensive transportation cost of the topographic features of the transportation roads of each historical project
Figure FDA0003025523160000042
Figure FDA0003025523160000043
Representing the influence coefficient of the comprehensive transportation cost of the topographic characteristics of the transportation road corresponding to the d-th historical project,
Figure FDA0003025523160000044
representing the delivery cost influence coefficient, s, corresponding to the qth topographic feature of the ith historical projectq dRepresenting the number of road sections, v, corresponding to the qth topographic feature of the ith historical projectdExpressing the quantity corresponding to the terrain features of the d historical engineering conveying roads, q expressing the number of the terrain features, q being 1,2, the
Figure FDA0003025523160000045
ζdAnd showing the comprehensive conveying cost influence coefficient corresponding to the d-th historical project.
6. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: analyzing the engineering information corresponding to each historical engineering in the second step to analyze the corresponding construction cost in the engineering information of each historical engineering, acquiring the soil compactness and the volume weight corresponding to each construction point of each historical engineering according to the soil compactness set of each construction point of each historical engineering and the soil volume weight set of each construction point of each historical engineering, and counting the average compactness corresponding to the soil of the construction points of the historical engineering according to the soil compactness corresponding to each construction point of each historical engineering, wherein the average compactness corresponding to the soil of the construction points of the historical engineering is calculated according to a calculation formula of the average compactness corresponding to the soil of the construction points of the historical engineering
Figure FDA0003025523160000046
Figure FDA0003025523160000047
Representing the average degree of compaction, J, corresponding to the soil at the construction site of the historical projectd pThe method is characterized by showing the compactness corresponding to the p construction point soil of the d historical engineering, wherein p is the construction point number, and p is 1,2The compactness corresponding to the soil of each construction point of each historical project is compared with the average compactness corresponding to the soil of the construction point of each historical project, and then the cost influence coefficient of the compactness of the soil of each construction point of each historical project is counted, wherein the calculation formula is
Figure FDA0003025523160000051
θd pExpressing the cost influence coefficient of the soil compactness of the p-th construction point of the d-th historical engineering, and counting the average volume weight corresponding to the soil of the construction points of the historical engineering according to the volume weight of the soil corresponding to each construction point of each historical engineering, wherein the calculation formula is
Figure FDA0003025523160000052
Figure FDA0003025523160000053
Represents the corresponding average volume weight of the soil at the construction point of the historical project, Bd pExpressing the volume weight corresponding to the p construction point soil of the d historical engineering, comparing the volume weight of the soil corresponding to each construction point of each historical engineering with the average volume weight corresponding to the construction point soil of the historical engineering, and further counting the influence coefficient of the volume weight cost of the soil of each construction point of each historical engineering, wherein the calculation formula is as follows
Figure FDA0003025523160000054
Figure FDA0003025523160000055
Expressing the unit weight cost influence coefficient of the p construction point of the d historical engineering, and counting the comprehensive construction cost influence coefficient of each historical engineering according to the counted soil compactness cost influence coefficient of each construction point of each historical engineering and the soil unit weight construction influence coefficient of each construction point of each historical engineering, wherein the calculation formula is
Figure FDA0003025523160000056
ψdShowing the influence coefficient of the comprehensive construction cost corresponding to the d-th historical engineering,y represents the number of construction points corresponding to each historical project, and n represents the number of historical projects.
7. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: analyzing the engineering information corresponding to each historical engineering in the second step, and comprehensively analyzing the engineering information corresponding to each historical engineering, and further counting the comprehensive influence coefficient of the construction cost per unit distance corresponding to each historical engineering according to the counted comprehensive influence coefficient of the construction cost of each historical engineering material, the counted comprehensive influence coefficient of the conveying cost of each historical engineering and the counted comprehensive influence coefficient of the construction cost of each historical engineering
Figure FDA0003025523160000057
ZdAnd the comprehensive influence coefficient of the unit distance construction cost corresponding to the d-th historical project is shown.
8. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: the third step includes obtaining project information corresponding to the project to be manufactured, including obtaining estimated manufacturing cost amount, estimated material cost information, estimated conveying cost information and estimated construction cost information corresponding to the project to be manufactured, wherein the estimated material cost information includes estimated material usage type corresponding to the project to be manufactured, quantity and unit price corresponding to each estimated material usage type, the estimated conveying cost information includes estimated starting position and estimated ending position corresponding to the project to be manufactured and topographic characteristics corresponding to the estimated transportation road of the project to be manufactured, the estimated construction cost information includes estimated construction point position, estimated construction point number, compactness corresponding to soil of each construction point and volume weight corresponding to soil of each estimated construction point, the estimated material usage type corresponding to the project to be manufactured is numbered according to a preset sequence, sequentially marked as 1 ', 2',. j ',. m', and further constructing the engineering material information set T to be manufacturedu(Tu1,Tu2,...Tuj′,...Tum′)，Tuj 'represents the u-th information corresponding to the jth estimated material usage model of the project to be manufactured, u represents the corresponding information of the estimated material usage model, u is h', t ', h' and t 'respectively represent the corresponding quantity of the estimated material usage model and the unit price corresponding to the estimated material usage model, the estimated conveying distance corresponding to the project to be manufactured is obtained according to the estimated starting position and the estimated ending position corresponding to the project to be manufactured and is marked as L', the terrain features corresponding to the estimated conveying road of the project to be manufactured are numbered according to the preset sequence according to the terrain features corresponding to the estimated conveying road of the project to be manufactured, and are marked as 1 ', 2', k ', v' and so as to divide the estimated conveying road of the project to be manufactured according to the terrain features thereof and further obtain divided road sections, comparing and screening the topographic features corresponding to each road section of the project to be manufactured, further obtaining the number of road sections corresponding to the topographic features of the estimated transport road of the project to be manufactured, and simultaneously according to the number of estimated construction points corresponding to the project to be manufactured, numbering each estimated construction point of the project to be constructed according to a preset sequence, sequentially marking the construction points as 1 ', 2',. x ',. y', and further constructing a soil compactness set J '(J' 1 ', J' 2 ',. J' x.. J 'y') of each estimated construction point of the project to be constructed and a soil volume weight set B '(B' 1 ', B' 2 ',. B' x.. B 'y') of each estimated construction point of the project to be constructed, wherein J 'x' represents the compactness corresponding to the soil of the estimated construction point of the project J 'to be constructed, and B' x 'represents the volume weight corresponding to the soil of the estimated construction point of the project J' to be constructed.
9. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: in the third step, the project information corresponding to the project to be manufactured is matched and screened with the project information corresponding to each historical project, so that the estimated material cost information, the estimated conveying cost information and the estimated construction cost information corresponding to the project to be manufactured are respectively matched and screened with the project information corresponding to each historical project, and further the project to be manufactured is matched and screenedMatching and screening estimated material cost information corresponding to projects and material cost information corresponding to historical projects, further obtaining matching degree corresponding to the estimated material cost information corresponding to each historical project material cost information and the project to be built, meanwhile, according to unit price corresponding to the estimated material usage model corresponding to the project to be built, further calling a model with the same historical project material model as each estimated material usage model of the project to be built and average unit price corresponding to each model from each historical project information, comparing the unit price corresponding to each estimated material usage model of the project to be built with the average unit price corresponding to the model with the same historical project material model as each estimated material usage model of the project to be built, further counting market price movement coefficients of each material model, wherein the calculation formula is that
Figure FDA0003025523160000071
σr′Representing market price mobilization coefficient, t ' corresponding to the r ' material model 'r′Showing the unit price corresponding to the using model of the estimated material at the r' th of the project to be manufactured,
Figure FDA0003025523160000072
representing the average unit price corresponding to the model of the historical project with the same model as the r ' th estimated material of the project to be manufactured, r ' representing the model number of the project to be manufactured, r ' being 1 ', 2 ', r, j ', r, m ', matching and screening the estimated conveying cost information corresponding to the project to be manufactured and the conveying cost information corresponding to each historical project, further obtaining the matching degree corresponding to the conveying cost information of each historical project and the estimated conveying cost information corresponding to the project to be manufactured, simultaneously matching and screening the estimated construction cost information corresponding to the project to be manufactured and the construction cost information corresponding to each historical project, further obtaining the matching degree corresponding to the estimated construction cost information corresponding to the project to be manufactured, and according to the matching degree corresponding to the estimated construction cost information corresponding to the material cost information of each historical project and the project to be manufactured, Transportation cost information of each historical projectThe method comprises the steps of obtaining a matching degree corresponding to estimated conveying cost information corresponding to a project to be manufactured and a matching degree corresponding to each historical project construction cost information and estimated construction cost information corresponding to the project to be manufactured, further obtaining a comprehensive matching degree of the project information corresponding to each historical project and the project information corresponding to the project to be manufactured, sequencing the project information corresponding to each historical project and the comprehensive matching degree of the project information corresponding to the project to be manufactured according to the sequence from large to small, further calling the project information corresponding to the historical project with the first rank, recording the historical project as a matching project, further calling a number corresponding to the matching project, and further calling a unit distance construction cost comprehensive influence coefficient corresponding to the matching project according to the number corresponding to the matching project.
10. The power transmission and transformation project cost evaluation method based on data feature mining and analysis according to claim 3, characterized in that: the final estimated cost calculation formula corresponding to the project to be manufactured in the fourth step is Y-G-L' Zd*σr′Y represents the final estimated construction cost corresponding to the project to be constructed, and G represents the final estimated construction cost corresponding to the project to be constructed.
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CN114971327A (en) * 2022-06-02 2022-08-30 贵州百胜数源工程技术管理有限公司 Intelligent building material data management system based on characteristic analysis
CN116108997A (en) * 2023-02-22 2023-05-12 葛洲坝集团交通投资有限公司 Method and system for predicting farmland land number and manufacturing cost of expressway in hilly area
CN116362432A (en) * 2023-06-02 2023-06-30 深圳市大司建设集团有限公司 Engineering material consumption prediction method based on interior decoration

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Publication number Priority date Publication date Assignee Title
CN114971327A (en) * 2022-06-02 2022-08-30 贵州百胜数源工程技术管理有限公司 Intelligent building material data management system based on characteristic analysis
CN116108997A (en) * 2023-02-22 2023-05-12 葛洲坝集团交通投资有限公司 Method and system for predicting farmland land number and manufacturing cost of expressway in hilly area
CN116108997B (en) * 2023-02-22 2024-02-09 葛洲坝集团交通投资有限公司 Method and system for predicting farmland land number and manufacturing cost of expressway in hilly area
CN116362432A (en) * 2023-06-02 2023-06-30 深圳市大司建设集团有限公司 Engineering material consumption prediction method based on interior decoration
CN116362432B (en) * 2023-06-02 2023-08-11 深圳市大司建设集团有限公司 Engineering material consumption prediction method based on interior decoration

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