CN-122022779-A - Construction site steel bar dosage management method and system

CN122022779ACN 122022779 ACN122022779 ACN 122022779ACN-122022779-A

Abstract

The invention discloses a method and a system for managing the usage amount of reinforcing steel bars in a construction site, which relate to the technical field of construction management, the method screens reinforcing steel bars recovered in the construction site to screen out reinforcing steel bars which can be secondarily utilized as target reinforcing steel bars, classifies the target reinforcing steel bars according to specifications, distributes proper amounts of target reinforcing steel bars in each type into each project according to each project under construction in the construction site, the recycling of the recycled reinforcing steel bars is realized, the reinforcing steel bar loss in the construction site is reduced, so that the reinforcing steel bar purchasing cost is reduced, in addition, the corresponding number of recycled reinforcing steel bars are distributed according to the construction conditions of different projects, the consumption rate of the recycled reinforcing steel bars in the construction is facilitated, the storage time of the recycled reinforcing steel bars is shortened, the influence of the environment on the reinforcing steel bar performance is reduced, and the discarding rate of the recycled reinforcing steel bars and the reinforcing steel bar use cost are reduced.

Inventors

WU BOTAO
ZHOU YADONG
MENG HAO
WANG TAO
XIONG YANHUA

Assignees

贵州省公路建设养护集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260119

Claims (10)

1. The construction site steel bar consumption management method is characterized by comprising the following steps of: S1, recycling excess steel bars in a construction site as recycling steel bars, classifying the recycling steel bars according to specifications to obtain recycling steel bars in all types, screening the recycling steel bars in all types, and screening recycling steel bars which can be used secondarily in all types to serve as target steel bars; S2, acquiring each project under construction and construction progress of each project on a construction site, simultaneously extracting size data and appearance damage data of each target reinforcing steel bar in each type, acquiring reinforcing steel bar secondary utilization data of each history project, analyzing target reinforcing steel bar allocation schemes of each project, and performing corresponding allocation; and S3, after each project is completed, counting the use quantity of each type of target steel bars corresponding to the value grade in each project and the construction video of each used target steel bar, analyzing the secondary utilization condition of the steel bars of each project, and carrying out corresponding feedback.
2. The method for managing the usage amount of the reinforcing steel bars on the construction site according to claim 1, wherein the concrete process of screening each recycled reinforcing steel bar in each type is as follows: Acquiring size data and appearance damage data of each waste steel bar in each type during each historical recovery from a historical recovery record, and selecting maximum size data and minimum appearance damage data from each type as recovery size data threshold and recovery appearance data damage threshold of each type of steel bar; And extracting the size data and the appearance damage data of each recycled steel bar in each type, and when the size data of a certain recycled steel bar in a certain type is larger than the recycling size data threshold value of the steel bar and the appearance damage data is smaller than the recycling appearance damage data threshold value of the steel bar, indicating that the recycled steel bar in the type is a recycled steel bar which can be used secondarily, marking the recycled steel bar as a target steel bar, thereby obtaining each target steel bar in each type.
3. The method for managing the usage amount of the reinforcing steel bars on the construction site according to claim 1, wherein the analyzing the target reinforcing steel bar distribution scheme of each project comprises the following specific steps: Based on the construction progress of each project, acquiring predicted steel bar use data of future construction and predicted steel bar use data of constructed projects from a construction schedule of a construction management center, acquiring actual steel bar use data of constructed projects from inventory management, and analyzing consumption levels of each project on various steel bars, wherein the consumption levels comprise a first level, a second level and a third level; Acquiring size data and appearance damage data of each recycled steel bar in each type of constructed each project from the history recycling record, and analyzing the operation level of each project on each type of steel bar, wherein the operation level comprises a first level, a second level and a third level; performing value grade division on each target reinforcing steel bar in each type by using the size data and the appearance damage data of each target reinforcing steel bar in each type to obtain the value grade of each target reinforcing steel bar in each type, wherein the value grade comprises a first grade, a second grade and a third grade; acquiring operation grades of each type of steel bars, assigned value grades of history target steel bars in each type, secondary utilization characteristic values of target steel bars in each type and rejection rate of target steel bars in each type from the secondary utilization data of the steel bars in each history item; Comparing the operation level of each item on various steel bars with the operation level of each history item on each type of steel bars, and selecting each history item with the same operation level of each type of steel bars as each reference item of each item; Extracting the value grade of the historical target steel bar in each type allocated by each item corresponding to each reference item, the secondary utilization characteristic value of each type of steel bar and the elimination rate of each type of steel bar, counting the secondary utilization characteristic value of the target steel bar and the elimination rate of the target steel bar, which are allocated by each item corresponding to each reference item and correspond to each value grade of each type of historical target steel bar, as the secondary utilization characteristic value and the elimination rate of each value grade of each type of target steel bar in each item, and then confirming the value grade of each type of target steel bar in each item; If the value grades of the target reinforcing steel bars of a certain type in at least two items are the same, each item with the same value grade of the target reinforcing steel bars of the certain type is used as each target distribution item of the value grade in the certain type, each target distribution item of each value grade in each type is obtained, the number of target reinforcing steel bars in each value grade in each type is counted, consumption grade, operation grade and future construction predicted reinforcing steel bar use data of each target distribution item of each value grade in each type are obtained, and the number of target reinforcing steel bars to be distributed in each target distribution item of each value grade in each type is calculated to be used as a target reinforcing steel bar distribution scheme of each item.
4. A method for managing the consumption of steel bars in a construction site according to claim 3, wherein the analysis process of the consumption level of each item on each type of steel bars is as follows: the expected use quantity of various steel bars for future construction and the expected use quantity of various steel bars for construction are respectively recorded as And Obtaining the actual use quantity of each type of constructed steel bars from the actual steel bar use data after each project is constructed, and recording the actual use quantity as Wherein x represents the number of each item, q represents the number of each type, and x and q are positive integers; the consumption level evaluation model expression is: In which, in the process, Represents the consumption level of the xth item on the qth type of reinforcing bar, X represents the maximum number of the item, The average value of the expected use quantity of the q type reinforcing steel bars for future construction of each project, Represents the average number of the differences between the actual use quantity and the expected use quantity of the q-th type reinforcing steel bars constructed in each project, 、 Respectively a preset lower consumption evaluation threshold and an upper consumption evaluation threshold; Wherein 1,2 and 3 of the outputs represent the primary, secondary and tertiary, respectively.
5. The method for managing the usage amount of the steel bars on the construction site according to claim 4, wherein the analysis process of each item on the operation level of each type of steel bars is as follows: The size data and the appearance damage data of the recycled reinforcing steel bars in each type of each project after construction are respectively recorded as And Wherein r represents the number of each recycled steel bar, r is a positive integer, and the number is substituted into the operation level evaluation model expression: In which, in the process, Indicating the operation level of the xth item on the qth type of reinforcing bar, Represents the average value of the size data of each recycled steel bar in the q type after construction, Means for representing the mean value of the appearance damage data of each recycled steel bar in the q type after construction, Represents the average value of the data difference of the sizes of the recycled rebars in the q-th type, Represents the average value of the appearance damage data differences of the recycled steel bars in the q-th type, 、 The x item indicates the maximum value of the size data difference and the maximum value of the appearance damage data difference of the recycled steel bar of the q type after construction, R indicates the maximum number of the recycled steel bar, 、 The operation evaluation lower limit threshold value and the operation evaluation upper limit threshold value are respectively preset.
6. The method for managing the amount of reinforcing steel bars used in construction sites according to claim 4, wherein the calculation process of the number of the target reinforcing steel bars to be allocated to each target allocation item of each value class in each type is as follows: The number of target reinforcing steel bars in each value grade in each type is recorded as J represents the number of each value grade, j is a positive integer, and the expected use quantity of the corresponding type of reinforcing steel bars is obtained from the expected use data of the reinforcing steel bars for future construction of each target distribution item of each value grade in each type, so that the consumption grade, the operation grade and the expected use quantity of the reinforcing steel bars of the corresponding type are respectively recorded as 、 And F represents the number of each target allocation item, f is a positive integer, and a calculation formula is used: obtaining the f target distribution project of the j value grade in the q type to predict the quantity of the target reinforcing steel bars to be distributed Where F represents the maximum number of the target allocation item, The sum of the expected use amounts of the reinforcing bars of the corresponding types of the target distribution items representing the jth value grade in the qth type.
7. The method for managing the usage amount of the steel bars on the construction site according to claim 4, wherein the analyzing the secondary usage condition of the steel bars of each project comprises the following specific steps: Extracting the number of the expected distribution target reinforcing steel bars of the corresponding value grades of each type in each project, dividing the number of the target reinforcing steel bars of the corresponding value grades of each type in each project by the number of the expected distribution target reinforcing steel bars, and obtaining the utilization rate of the target reinforcing steel bars of each type in each project; Acquiring whether each target reinforcing steel bar is completely used or not from construction videos of each target reinforcing steel bar in each project, marking each target reinforcing steel bar which is completely used as each type of reinforcing steel bar, marking each target reinforcing steel bar which is not completely used as each type of reinforcing steel bar, and acquiring reject size data of each type of reinforcing steel bar by utilizing a machine vision technology; And inputting the utilization rate of the target reinforcing steel bars of each type, the number of the first reinforcing steel bars, the number of the second reinforcing steel bars and the reject size data of each second reinforcing steel bar in each project into a secondary utilization evaluation model, and outputting the secondary utilization condition of the reinforcing steel bars of each project.
8. The method for managing the amount of reinforcing steel bars used in construction sites according to claim 7, wherein the expression of the secondary usage evaluation model is: In which, in the process, The secondary utilization condition of the reinforcing steel bars in the xth item is represented, Q represents the maximum number of the type, Y represents the maximum number of the second type of reinforcing steel bars, 、、、、 Respectively representing the utilization rate of the target reinforcing steel bars of the q type, the number of the first reinforcing steel bars, the number of the second reinforcing steel bars, the average value of the reject size data of the second reinforcing steel bars and the number of the predicted allocated target reinforcing steel bars corresponding to the value grade in the x-th item, The average value of the number of the steel bars of the type q in each project, Reject size data representing the second type rebar of the q-th type in the x-th item, The average value of the reject size data of the second-class reinforcing bars of the q-th type in each item of the table, A preset secondary utilization evaluation threshold value; When the output is yes, the secondary utilization condition of the steel bars in the project is indicated to be good, and when the output is no, the secondary utilization condition of the steel bars in the project is indicated to be poor.
9. The method for managing the usage amount of the steel bars on the construction site according to claim 1, wherein the corresponding feedback is specifically: When the secondary utilization condition of the steel bars in a certain project is good, the construction state of the project is continuously monitored, and when the secondary utilization condition of the steel bars in the certain project is poor, a prompt is given out at the recovery terminal, and a manager is dispatched to carry out inspection of the secondary utilization of the steel bars.
10. A construction site reinforcing steel bar usage management system for performing the construction site reinforcing steel bar usage management method as set forth in any one of claims 1 to 9, comprising: The recycling screening module is used for recycling the excess steel bars in the construction site as recycling steel bars, classifying the recycling steel bars according to the specification, obtaining recycling steel bars in each type, screening the recycling steel bars in each type, and screening recycling steel bars which can be used secondarily in each type as target steel bars; the secondary distribution module is used for acquiring each project under construction in a construction site and the construction progress of each project, extracting the size data and the appearance damage data of each target reinforcing steel bar in each type, acquiring the reinforcing steel bar secondary utilization data of each history project, analyzing the target reinforcing steel bar distribution scheme of each project and carrying out corresponding distribution; And the monitoring feedback module is used for counting the use quantity of the target reinforcing steel bars of each type corresponding to the value grade in each project and the construction video of each used target reinforcing steel bar after each project is completed, analyzing the secondary utilization condition of the reinforcing steel bars of each project and carrying out corresponding feedback.

Description

Construction site steel bar dosage management method and system Technical Field The invention relates to the technical field of construction management, in particular to a method and a system for managing the consumption of reinforcing steel bars in a construction site. Background The steel bar occupies a large area in the building material cost, the accurate control dosage can avoid excessive purchasing, the stock backlog is reduced, meanwhile, the cost increase caused by material waste is reduced, meanwhile, the steel bar is an indispensable construction material in the building construction, the material purchasing cost can be reduced by recycling and reutilizing the steel bar, the recycling of resources is realized, and the development of the building industry to the green, low-carbon and sustainable directions is facilitated. A construction site steel bar consumption management method and system disclosed in the application publication No. CN115018275A in the prior art comprises the steps of S1, calculating the amount of steel bars to be consumed, uploading the amount of steel bars to be consumed to a platform, S2, entering the actual amount of steel bars, collecting actual amount of steel bars by a wagon balance, uploading the actual amount of steel bars to the platform, S3, updating the amount of steel bars to be consumed received by the platform according to construction progress, S4, periodically collecting the actual amount of steel bars according to construction progress, S5, comparing the actual amount of steel bars with the updated amount of steel bars to be consumed to obtain a steel bar usage table, and performing supervision and regulation on the amount of steel bars used in construction according to the steel bar usage table to execute corresponding compensation measures. The invention also provides a management system matched with the method for managing the usage amount of the reinforcing steel bars on the construction site, which has the advantages of convenient device, simple use, capability of monitoring the usage amount of the reinforcing steel bars in real time and the like, and effectively reduces the construction cost. The analysis of steel bar purchasing and consumption of a construction site is disclosed in the scheme, but the analysis of steel bar purchasing and consumption of the construction site is not related to the secondary utilization of the recovered steel bars in the construction site, so that the full utilization of the recovered steel bars cannot be realized, and meanwhile, the steel bar consumption in the construction site cannot be effectively controlled, so that the steel bar purchasing cost is increased. Disclosure of Invention Aiming at the technical defects, the invention aims to provide a method and a system for managing the consumption of reinforcing steel bars in a construction site. S1, recovering excess steel bars in a construction site as recovered steel bars, classifying the recovered steel bars according to specifications to obtain the recovered steel bars in each type, screening the recovered steel bars in each type, and screening out the recovered steel bars which can be used secondarily in each type as target steel bars. S2, acquiring each project under construction and construction progress of each project on a construction site, simultaneously extracting size data and appearance damage data of each target reinforcing steel bar in each type, acquiring reinforcing steel bar secondary utilization data of each history project, analyzing target reinforcing steel bar distribution schemes of each project, and performing corresponding distribution. And S3, after each project is completed, counting the use quantity of each type of target steel bars corresponding to the value grade in each project and the construction video of each used target steel bar, analyzing the secondary utilization condition of the steel bars of each project, and carrying out corresponding feedback. The invention provides a construction site steel bar consumption management system, which comprises a recovery screening module, a first screening module, a second screening module and a third screening module, wherein the recovery screening module is used for recovering excess steel bars in a construction site and used as recovery steel bars, classifying the recovery steel bars according to specifications, obtaining the recovery steel bars in each type, screening the recovery steel bars in each type, and screening the recovery steel bars which can be used secondarily in each type to serve as target steel bars. The secondary distribution module is used for acquiring each project of the construction site under construction and the construction progress of each project, extracting the size data and the appearance damage data of each target reinforcing steel bar in each type, acquiring the reinforcing steel bar secondary utilization data of each history project, analyzing the target reinforci