CN116342177B - BIM-based whole-process cost consultation service management system - Google Patents
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Abstract
The application discloses a BIM-based whole-process cost consultation service management system, which relates to the technical field of cost service and solves the technical problems that whether different material suppliers have different entering time or not is not considered, and whether the different material suppliers have construction suspension caused by a neutral period in the entering process or not causes a great deal of detention cost and labor cost, so that the engineering cost parameter deviation is large; according to the determined bid-inviting quotient and the generated empty-grade period, the estimated cost required to be consumed in the normal construction process is confirmed, the corresponding empty-grade period is considered, and compared with the past cost analysis, the method for confirming the cost is more accurate, so that the overall accuracy of the cost value is improved.
Description
Technical Field
The application belongs to the technical field of cost service, and particularly relates to a whole-process cost consultation service management system based on BIM.
Background
The project cost consultation service refers to the activity of accepting commission by a project cost consultation enterprise, providing professional service for determining and controlling the project cost of a construction project and providing project cost result files; the main content of the construction cost consultation service is as follows: construction project feasibility study economic evaluation, investment estimation, and project post-evaluation report compiling and auditing; construction project summary, pre-settlement, settlement and completion settlement report creation and audit.
The application of patent publication No. CN115034911A provides a whole process cost consulting service method and system based on BIM, the system comprises: the investment decision management module is used for adding preliminary cost data according to the constructed preliminary three-dimensional model to acquire cost estimation information of engineering projects; the design management module is used for determining a final design scheme to obtain a project BIM model; the bidding management module is used for formulating and releasing bidding information; integrating bid-winning information of different construction parts of the engineering project into a BIM model of the engineering project; the construction management module is used for auditing construction cost of each construction stage of the engineering project and adjusting construction period and fund plan; the completion acceptance management module is used for comparing the actual completion situation of the engineering project with the bid-signing construction drawing to obtain cost adjustment information, and integrating the cost adjustment information into the engineering project BIM model; the application improves the convenient level and the management level of the data intercommunication of the engineering cost at each stage and improves the capability of the construction project whole process cost consultation service.
In a specific construction cost service process, a material manufacturer is generally selected in advance, and then the cost parameters generated in the whole construction process are analyzed according to the unit price of materials given by the selected material manufacturer, but the analysis mode does not consider different approach time of different material manufacturers, wherein in the approach process, whether different material manufacturers cause construction suspension due to a neutral period or not, so that a large amount of retention cost and labor cost are generated, and the deviation of the engineering cost parameters is large.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art; therefore, the application provides a BIM-based whole-process cost consultation service management system, which is used for solving the technical problems that whether different material manufacturers have construction suspension caused by a neutral period in the process of entering the field or not causes a large amount of detention cost and labor cost, so that the parameter deviation of the engineering cost is larger.
To achieve the above object, an embodiment according to a first aspect of the present application provides a BIM-based whole-process cost consulting service management system, including a data acquisition end, a cost consulting management center, and a display terminal;
the cost consultation management center comprises a grading unit, a bid price analysis unit, a cost estimation unit, a time analysis unit and a marking unit;
the data acquisition end is used for acquiring the parameter data of the bidding quotation marks supporting the manufacturing cost and transmitting the acquired parameter data of the bidding quotation marks to the manufacturing cost consultation management center, wherein the parameter data of the bidding quotation marks comprise price parameters and grading parameters;
the grading unit is used for carrying out grading treatment on the manufacturing cost process of the BIM, dividing the manufacturing cost process into a plurality of grading stages according to a specific construction process, carrying out priority ordering on different grading stages according to a specific construction sequence, and carrying out marking treatment by adopting a priority ordering mark i;
the bid tender analysis unit analyzes the bid tender parameter data of a plurality of bid tender belonging to the same grading stage, analyzes and confirms the cost performance of different bid tender, and determines the bid tender with the best cost performance, and the specific mode is as follows:
determining corresponding hierarchical stages, analyzing a plurality of bidding quotient parameter data belonging to the same stage, and marking price parameters inside different bidding quotients as JG i-k Wherein i represents different hierarchical stages, k represents different signers, and scoring parameters inside the different signers are marked as PF i-k ；
By usingObtaining cost performance parameters XJ of different signers i-k According to cost performance parameters XJ of different signers i-k The method comprises the steps of sorting priorities of a plurality of bidding quotients belonging to the same stage according to a mode of big values from small values, and transmitting the first plurality of bidding quotients sorted into different stages into a time analysis unit;
the time analysis unit is used for acquiring and analyzing the approach time of the signer corresponding to different phases, acquiring the neutral period generated in the whole engineering construction project, and transmitting the generated neutral period into the cost estimation unit, wherein the specific mode is as follows:
marking approach time of different signers as JC i ；
Acquiring approach time JC of corresponding bid-inviting quotient of first group of hierarchical phases 1 And then JC is carried out 1 Comparing with a preset parameter Y1, wherein the preset parameter Y1 is a preset value, and JC is performed 1 When Y1 is less than or equal to, performing next processing, otherwise, generating a marking signal without performing next processing, and transmitting the marking signal and a mark of a corresponding signer into a marking unit;
by JC i -JC i-1 ＝SJ t Obtaining the difference SJ of different arrival time of different signers at different stages t Analysis of the difference SJ t If it is greater than 0, if it is the difference SJ t If not more than 0, the difference SJ is calculated t Processing the mark "0", if the difference SJ t When the value is more than 0, carrying out the next treatment;
the difference SJ t Comparing with a preset parameter Y2, wherein the preset parameter Y2 is a preset value, and when SJ t If Y2 is less than or equal to Y2, performing the next processing, otherwise, generating a marking signal without performing the next processing, and according to the difference SJ t Acquiring marks corresponding to the signers, and transmitting the marking signals and the marks corresponding to the signers into a marking unit;
will approach time JC 1 And several groups of differences SJ t Combining and summing to obtain integral neutral time parameters, and transmitting the neutral time parameters to a cost estimation unit;
the cost estimation unit receives the determined signer and the neutral time parameter selected in different stages, estimates the cost of the construction and transmits the estimated value to the display terminal for display.
Preferably, the marking unit marks the corresponding bidding merchant as the bidding merchant in the abnormal construction period according to the marking signal and the marking of the corresponding bidding merchant, transmits the marked bidding merchant to the display terminal, replaces the designated bidding merchant by an external person, retransmits the qualified bidding merchant to the time analysis unit, and performs time analysis again to obtain the neutral time parameter.
Preferably, the specific way of estimating the cost of the manufacturing machine by the cost estimation unit is as follows:
calculating and obtaining the material cost generated in the BIM engineering construction process according to the material price parameters of the selected bid market maker;
acquiring a neutral time parameter, marking the neutral time parameter as KD, and obtaining a cost parameter KCB consumed by the neutral time parameter by adopting KCB=KD×C1, wherein C1 is a fixed coefficient factor;
material cost +kcb=estimated cost, and the estimated cost is transmitted to the display terminal for display.
Compared with the prior art, the application has the beneficial effects that: acquiring parameter data of the bidding quotation marks supporting the manufacturing cost, grading the manufacturing cost process of the BIM, dividing the manufacturing cost process into a plurality of grading stages, analyzing the parameter data of the bidding quotation marks of a plurality of bidding quotation marks belonging to the same grading stage, analyzing and confirming the cost performance of different bidding quotation marks, determining the bidding quotient of the optimal cost performance, transmitting the determined bidding quotient to a cost estimation unit for cost estimation, and subsequently acquiring and analyzing the approach time of the bidding quotient corresponding to different stages, thereby obtaining the generated empty stage in the whole engineering construction engineering;
analyzing the bidding providers with longer blank period, exchanging different bidding providers according to the analysis result, and improving the overall management effect of the service management system;
according to the determined bid-inviting quotient and the generated empty-grade period, the estimated cost required to be consumed in the normal construction process is confirmed, the corresponding empty-grade period is considered, and compared with the past cost analysis, the method for confirming the cost is more accurate, so that the overall accuracy of the cost value is improved.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present application.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, the application provides a whole process cost consulting service management system based on BIM, which comprises a data acquisition end, a cost consulting management center and a display terminal;
the data acquisition end is electrically connected with the input end of the cost consultation management center, and the cost consultation management center is electrically connected with the input end of the display terminal;
the manufacturing cost consultation management center comprises a grading unit, a bid-tendering analysis unit, a cost estimation unit, a time analysis unit and a marking unit, wherein the bid-tendering analysis unit is electrically connected with the input end of the time analysis unit, the bid-tendering analysis unit is in bidirectional connection with the grading unit, the grading unit and the time analysis unit are electrically connected with the input end of the cost estimation unit, and the time analysis unit is electrically connected with the input end of the marking unit;
the data acquisition end is used for acquiring the parameter data of the bidding quotation provider supporting the manufacturing cost and transmitting the acquired parameter data of the bidding quotation provider to the manufacturing cost consultation management center, wherein the parameter data of the bidding quotation provider comprises price parameters and scoring parameters, the price parameters are given by corresponding bidding quotation providers, and the scoring parameters are directly acquired from the big data;
the grading unit is used for carrying out grading treatment in the manufacturing cost process of the BIM, a specific grading mode is set by an operator, the manufacturing cost process is divided into a plurality of grading stages according to a specific construction process, different grading stages are subjected to priority sorting according to a specific construction sequence, and marking treatment is carried out by adopting a priority sorting mark i, wherein i=1, 2, … … and n represent the grading stage with the first priority sorting when i is 1, and the like, and represent the grading stage with the last priority sorting when i is n;
the bid amount analysis unit in the cost consultation management center analyzes the bid amount parameter data of a plurality of bid amounts belonging to the same grading stage, analyzes and confirms the cost performance of different bid amounts, determines the bid amount with the best cost performance, and transmits the confirmed bid amount to the cost estimation unit for cost estimation, wherein the specific mode for analyzing and confirming is as follows:
determining corresponding hierarchical stages, analyzing a plurality of bidding quotient parameter data belonging to the same stage, and marking price parameters inside different bidding quotients as JG i-k Wherein i represents different hierarchical stages, k represents different signers, and scoring parameters inside the different signers are marked as PF i-k ；
By usingObtaining cost performance parameters XJ of different signers i-k According to cost performance parameters XJ of different signers i-k And according to the mode that the numerical value is from large to small, priority ranking is carried out on a plurality of bidding quotients belonging to the same stage, and the bidding quotients ranked as the first in different stages are transmitted to a time analysis unit.
The time analysis unit is used for obtaining and analyzing the approach time of the signer corresponding to different stages (the normal approach time is calculated according to the construction time as a starting point, the initial time of the starting point is taken as the initial time of the starting point, the approach time of the signer in the first stage is 5 days, and the time calculated for starting the starting point is 5 days), so that the generated idle stage in the whole engineering construction project is obtained, and the generated idle stage is transmitted to the cost estimation unit, wherein the specific mode for obtaining the idle stage is as follows:
marking approach time of different signers as JC i (because the selected signers are the signers with the corresponding stages ordered first, the approach time can be marked by different stage marks i);
acquiring approach time JC of corresponding bid-inviting quotient of first group of hierarchical phases 1 And then JC is carried out 1 Comparing with a preset parameter Y1, wherein the preset parameter Y1 is a preset value, the specific value is determined by an operator according to experience, and the preset parameter Y1 is generally taken for 10 days, wherein JC 1 When Y1 is less than or equal to, performing next processing, otherwise, generating a marking signal without performing next processing, and transmitting the marking signal and a mark of a corresponding signer into a marking unit;
by JC i -JC i-1 ＝SJ t Obtaining the difference SJ of different arrival time of different signers at different stages t Analysis of the difference SJ t If it is greater than 0, if it is the difference SJ t If not more than 0, the difference SJ is calculated t Processing the mark "0", if the difference SJ t When the value is more than 0, carrying out the next treatment;
the difference SJ t Comparing with a preset parameter Y2, wherein the preset parameter Y2 is a preset value, the specific value is determined by an operator according to experience, and the preset parameter Y2 is generally taken for 6 days, when SJ t If Y2 is less than or equal to Y2, performing the next processing, otherwise, generating a marking signal without performing the next processing, and according to the difference SJ t Acquiring marks corresponding to the signers, and transmitting the marking signals and the marks corresponding to the signers into a marking unit;
will approach time JC 1 And several groups of differences SJ t And carrying out merging and summing processing to obtain an integral neutral time parameter, and transmitting the neutral time parameter into a cost estimation unit.
The marking unit marks the corresponding bidding quotation mark as the abnormal construction period bidding quotation mark according to the marking signal and the marking of the corresponding bidding quotation mark, transmits the marked construction period bidding quotation mark to the display terminal, replaces the appointed bidding quotation mark by an external person through the display terminal, retransmits the qualified bidding quotation mark to the time analysis unit, and performs time analysis again to obtain a neutral time parameter;
the concrete construction time is divided into three stages according to the actual application scene, wherein a certain group of stages corresponds to a group of signers, the approach time of the first group of signers is 7 days, the approach time of the second group of signers is 14 days, and the approach time of the third group of signers is 17 days;
the first group of bidding quotients can be selected according to the entering time requirement, the difference between the second group of bidding quotients and the first group of bidding quotients is 7 days, and the second group of bidding quotients are not required to be reselected, the entering time of the reselected second group of bidding quotients is 13 days, and the difference between the third group of bidding quotients is 4 days (compared with the reselected second group of bidding quotients), so that the requirements are met;
after the signer finishes selecting, the obtained neutral time parameter=7+6+4=17 days, and then the neutral time parameter of 17 days exists.
The cost estimation unit is used for receiving the determined bid amount selected in different stages and the neutral time parameter, estimating the cost of the manufacturing cost, transmitting the estimated value into the display terminal for display, and checking by external personnel, wherein the specific mode for estimating is as follows:
calculating and obtaining the material cost generated in the BIM engineering construction process according to the material price parameters of the selected bid market maker;
acquiring a neutral time parameter, marking the neutral time parameter as KD, and obtaining a cost parameter KCB consumed by the neutral time parameter by adopting KCB=KD×C1, wherein C1 is a fixed coefficient factor, and the specific value of the coefficient factor is drawn by an operator according to experience;
and adopting material cost +KCB=estimated cost, and transmitting the obtained estimated cost into a display terminal for display for an external operator to check, so as to make different countermeasures.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the application is as follows: the method comprises the steps of acquiring price supporting bid price parameter data in advance, grading the manufacturing cost process of the BIM, dividing the manufacturing cost process into a plurality of grading stages, analyzing the bid price parameter data of a plurality of bid price tenders belonging to the same grading stage, analyzing and confirming the cost performance of different bid price tenders, determining the best cost price tenders, transmitting the confirmed bid price tenders into a cost estimation unit for cost estimation, and acquiring and analyzing the incoming time of the bid price tenders corresponding to different stages to obtain the blank stage generated in the whole engineering construction project;
analyzing the bidding providers with longer blank period, exchanging different bidding providers according to the analysis result, and improving the overall management effect of the service management system;
according to the determined bid-inviting quotient and the generated empty-grade period, the estimated cost required to be consumed in the normal construction process is confirmed, the corresponding empty-grade period is considered, and compared with the past cost analysis, the method for confirming the cost is more accurate, so that the overall accuracy of the cost value is improved.
The above embodiments are only for illustrating the technical method of the present application and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present application may be modified or substituted without departing from the spirit and scope of the technical method of the present application.
Claims (3)
1. The whole-process cost consultation service management system based on BIM is characterized by comprising a data acquisition end, a cost consultation management center and a display terminal;
the cost consultation management center comprises a grading unit, a bid price analysis unit, a cost estimation unit, a time analysis unit and a marking unit;
the data acquisition end is used for acquiring the parameter data of the bidding quotation marks supporting the manufacturing cost and transmitting the acquired parameter data of the bidding quotation marks to the manufacturing cost consultation management center, wherein the parameter data of the bidding quotation marks comprise price parameters and grading parameters;
the grading unit is used for carrying out grading treatment on the manufacturing cost process of the BIM, dividing the manufacturing cost process into a plurality of grading stages according to a specific construction process, carrying out priority ordering on different grading stages according to a specific construction sequence, and carrying out marking treatment by adopting a priority ordering mark i;
the bidding quotation analysis unit is used for analyzing the bidding quotation parameter data of a plurality of bidding quotation marks belonging to the same grading stage, analyzing and confirming the cost performance of different bidding quotation marks and determining the bidding quotation mark with the optimal cost performance;
the time analysis unit is used for acquiring and analyzing the approach time of the signer corresponding to different phases, acquiring a neutral period generated in the whole engineering construction project, and transmitting the generated neutral period into the cost estimation unit;
the cost estimation unit is used for receiving the determined bid amount selected in different stages and the neutral time parameter, estimating the cost of the manufacturing cost and transmitting the estimated value to the display terminal for display;
the specific mode of analyzing and confirming the cost performance of different signers by the signer analyzing unit is as follows:
determining corresponding hierarchical stages, analyzing a plurality of bidding quotient parameter data belonging to the same stage, and marking price parameters inside different bidding quotients as JG i-k Wherein i represents different hierarchical stages, k represents different signers, and scoring parameters inside the different signers are marked as PF i-k ；
By usingObtaining cost performance parameters XJ of different signers i-k According to cost performance parameters XJ of different signers i-k The method comprises the steps of sorting priorities of a plurality of bidding quotients belonging to the same stage according to a mode of big values from small values, and transmitting the first plurality of bidding quotients sorted into different stages into a time analysis unit;
the specific mode for acquiring the empty stage generated in the whole engineering construction project by the time analysis unit is as follows:
marking approach time of different signers as JC i ；
Acquiring approach time JC of corresponding bid-inviting quotient of first group of hierarchical phases 1 And then JC is carried out 1 Comparing with a preset parameter Y1, wherein the preset parameter Y1 is a preset value, and JC is performed 1 When Y1 is less than or equal to, performing next processing, otherwise, generating a marking signal without performing next processing, and transmitting the marking signal and a mark of a corresponding signer into a marking unit;
by JC i -JC i-1 ＝SJ t Obtaining the difference SJ of different arrival time of different signers at different stages t Analysis of the difference SJ t If it is greater than 0, if it is the difference SJ t If not more than 0, the difference SJ is calculated t Processing the mark "0", if the difference SJ t When the value is more than 0, carrying out the next treatment;
the difference SJ t Comparing with a preset parameter Y2, wherein the preset parameter Y2 is a preset value, and when SJ t If Y2 is less than or equal to Y2, performing the next processing, otherwise, generating a marking signal without performing the next processing, and according to the difference SJ t Acquiring marks corresponding to the signers, and transmitting the marking signals and the marks corresponding to the signers into a marking unit;
will approach time JC 1 And several groups of differences SJ t And carrying out merging and summing processing to obtain an integral neutral time parameter, and transmitting the neutral time parameter into a cost estimation unit.
2. The BIM based whole process construction cost consultation service management system according to claim 1, wherein the marking unit marks the corresponding tender as an abnormal construction period tender based on the marking signal and the marking of the corresponding tender, transmitting the time analysis result to a display terminal, replacing the appointed bidding quotient by an external person, retransmitting the qualified bidding quotient to a time analysis unit, and performing time analysis again to obtain a neutral time parameter.
3. The BIM-based whole process cost consulting service management system of claim 2, wherein the cost estimating unit estimates the cost of the manufacturing cost in the following specific manner:
calculating and obtaining the material cost generated in the BIM engineering construction process according to the material price parameters of the selected bid market maker;
acquiring a neutral time parameter, marking the neutral time parameter as KD, and obtaining a cost parameter KCB consumed by the neutral time parameter by adopting KCB=KD×C1, wherein C1 is a fixed coefficient factor;
material cost +kcb=estimated cost, and the estimated cost is transmitted to the display terminal for display.
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