Construction method for road and bridge engineering cost management based on BIM technology

Abstract

The application discloses a bridge engineering cost management construction method based on BIM technology, which is guided by a bill of quantities, and based on a three-dimensional model to assist in virtually splitting a bridge structure, deepening parts, configuring a material library, mapping materials, binding the three-dimensional model and the bill of quantities to generate a list quantity, and engineering cost. The method has the beneficial effects that: the BIM three-dimensional technology is adopted to virtually split and deepen the whole bridge in a 1:1 construction, the actual construction effect is simulated on the model, the information data of the model components are mapped and bound with the material library and the bill of quantities, so that accurate measurement and matched pricing can be obtained through the model, the project is facilitated to carry out fine management and control, and cost reduction and benefit increase are realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bridge construction, and particularly relates to a road and bridge engineering cost management construction method based on BIM technology. BACKGROUND

[0002] With the acceleration of urbanization process, municipal construction is continuously accelerated, and the requirements for project site management and cost management of construction units are also higher and higher. Because of tight construction period, variable and complex construction conditions, and the fact that the cost management level does not match the development speed of domestic municipal construction, the management mode and system are not perfect enough, and the like, the accuracy of cost control of the project is affected. Just as the BIM technology is vigorously promoted and applied, it provides technical support for the revolution of engineering cost management and improves work efficiency and calculation accuracy.

[0003] At present, there are various modeling software and modeling schemes in the market, and the number of BIM practitioners increases year by year. However, the modeling depth is not high, the modeling efficiency is low, the model information load does not meet the requirements of the construction stage, the model components cannot be matched with the bill of quantities, the model cannot be used for accurate quantity calculation and pricing, the combination of BIM model and construction progress and engineering quantity is not ideal. Therefore, it is of great significance to use BIM model to quickly deepen modeling, combine BIM model with bill of quantities for quantity calculation and pricing, and estimate materials according to the construction progress on site. SUMMARY

[0004] The application aims to provide a road and bridge engineering cost management construction method based on BIM technology, which solves the problems of low efficiency and poor accuracy of bridge engineering cost and material control.

[0005] The application aims to achieve the following technical solutions:

[0006] A road and bridge engineering cost management construction method based on BIM technology comprises the following steps:

[0007] Step a: collate engineering design files and bill of quantities, calculate according to the complexity of the bridge engineering, part production and precision requirements, and formulate modeling precision for each part;

[0008] Step b: based on the bill of quantities, use BIM modeling software to complete the overall modeling of the bridge, realize virtual disassembly of bridge parts according to the construction guidance, and deepen the parts;

[0009] Step c: import the material information required in the project quantity list statistics in the model to provide the required material types for the project model, configure the engineering material library, and dynamically maintain the list according to engineering changes or scheme adjustment;

[0010] Step d, meet the needs of different model binding different materials by mapping the relationship between component quantity and material in the modeling software, so that the established model component can find the corresponding material quantity according to the bill of quantities;

[0011] Step e, by binding the engineering quantity information in the engineering model component with the bill of quantities, or according to the demand, selecting part of the engineering quantity information of the component and binding with the bill of quantities, the engineering quantity of the required component is calculated, and a certain coefficient conversion is carried out for different model accuracy, so as to achieve more accurate calculation value;

[0012] Step f, the corresponding calculation is carried out combined with the unit price of the list sub-purpose, to realize the engineering cost of each component of the project, and the engineering quantity and cost of the bridge are directly obtained;

[0013] Step g, by cross comparison of the actual engineering quantity of the model and the design engineering quantity of the list, the material consumption and cost of each component of the engineering project are analyzed, and the material consumption loss and cost problem are more directly controlled;

[0014] Step h, according to the construction stage progress plan and the engineering quantity and cost of the corresponding component demand part, the material plan and delivery time of this stage are quickly formulated, the project material redundancy is reduced, the material waste is avoided, and the site management efficiency is improved.

[0015] Further, the bridge targeted by the method is a municipal or highway bridge, which adopts concrete or steel structure form, and is installed and erected by pouring or prefabricated assembly on site, and the bridge structure engineering targeted is a number of components in the plane or space system connected and capable of bearing load in the main body of the bridge.

[0016] Further, in step b, each node component of the bridge is deepened according to the factors of design data, processing method and processing material, to ensure the correctness of modeling size and linear curve in the model, and to find unreasonable places in the bridge construction in time and make corresponding deepening design, and adjust the spatial coordinate in the software to determine the positioning point data of the main position of each component, for convenient use in later positioning measurement.

[0017] Further, in step b, for the convenience of later use, the component model precision of the complex node part of the bridge model established by using the software should reach the LOD400 or LOD500 level under the guidance of the bill of quantities.

[0018] Further, in step b, all parts of the bridge modeling can be independently split according to the bill of quantities, and the modeling split rule is: whole to part, part to component, component to part.

[0019] Further, in the step c, the material library should contain the basic material attributes of the components, including material name, material model, material unit, and material unit price.

[0020] Further, in the step e, the bill of quantities should conform to the specification description method and necessary information, including list items, units, and unit prices.

[0021] The functions realized by the present application are as follows: compared with the traditional two-dimensional method, the three-dimensional professional modeling software cooperates with the bill of quantities to assist in the splitting and part deepening of the bridge engineering, which can more efficiently and intuitively display the component details and spatial combination relationship, and is more suitable for the actual engineering on site. Through the component material library configuration and material mapping in the modeling software, the model components can be searched for corresponding material quantities according to the bill of quantities, so that a set of BIM model engineering quantity statistics conforming to the actual situation and capable of being tracked in real time can be obtained, and the material consumption can be quickly calculated according to the sub-item engineering quantity. At the same time, the project can quickly formulate the material plan and delivery time at the stage according to the construction stage progress plan and the engineering quantity and cost of the corresponding component demand part, reduce the project material redundancy, avoid material waste, and improve the site management efficiency.

[0022] The beneficial effects of the present application are as follows: through the 1:1 construction deepening and virtual splitting of the bridge as a whole by using the BIM three-dimensional technology, the true construction effect is simulated on the model, the information data of the model components are mapped and bound with the material library and the bill of quantities, so that accurate measurement and matched pricing can be obtained through the model, the project can be facilitated to carry out fine management and control, and cost reduction and efficiency improvement are realized.

[0023] The foregoing main scheme of the present application and each further selected scheme thereof can be freely combined to form multiple schemes, all of which are the schemes that can be adopted and claimed by the present application; and the present application can also be freely combined between (each non-conflicting selection) selections and other selections. Those skilled in the art can understand that there are multiple combinations according to the existing technology and common knowledge after understanding the schemes of the present application, all of which are the technical schemes claimed by the present application, and are not listed here. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a flowchart of the present application. DETAILED DESCRIPTION

[0025] The following non-limiting examples are used to illustrate the present application.

[0026] Example 1:

[0027] REFERENCE Figure 1As shown, a bridge engineering cost management construction method based on BIM technology, the bridge targeted for municipal or highway nature of the bridge, using concrete or steel structure form, and on-site pouring or prefabricated assembly installation, the bridge structure engineering for the bridge main body connected and can withstand the load of the plane or space system within a number of components.

[0028] The method is based on the bill of quantities as the guidance, based on three-dimensional model auxiliary to bridge structure virtual split, parts deepening, material library configuration and material mapping, three-dimensional model and bill of quantities binding, generating sub-part list quantity, cost volume control, forming sub-part material quantity table, and construction guidance.

[0029] The method specifically includes the following steps:

[0030] Step a, organize the engineering design documents and bill of quantities, according to the complexity of the bridge engineering modeling, parts production and precision requirements for measurement, sub-part modeling accuracy.

[0031] Step b, based on the guidance of the bill of quantities, using BIM modeling software to complete the overall modeling of the bridge, and according to the construction guidance to realize the virtual split of the bridge parts, and to deepen the parts.

[0032] Step c, import the material information required in the project bill of quantities statistics in the model, provide the required material types for the project model, configure the engineering material library and dynamically maintain the list according to the engineering changes or scheme adjustment.

[0033] Step d, through the relationship mapping between the component quantity and the material in the modeling software, meet the needs of different model binding different materials, so that the model components can find the corresponding material quantity according to the bill of quantities.

[0034] Step e, by binding the engineering quantity information in the engineering model components with the bill of quantities, or according to the demand to select part of the component engineering quantity information and the bill of quantities, calculate the required component engineering quantity, and according to the different model accuracy to a certain coefficient conversion, to achieve more accurate calculation value.

[0035] Step f, combined with the unit price of the list sub-object to calculate the corresponding, to realize the project each sub-part component engineering cost, intuitive to get the bridge to each part of the engineering quantity and.

[0036] Step g, by the actual engineering quantity of the model and the list design engineering quantity to cross compare the quantity, analyze the material consumption and cost of each component of the engineering project, more intuitive control material consumption loss problem and cost problem.

[0037] Step h, according to the construction stage progress plan and the corresponding component demand site quantity and cost, quickly formulate the material plan and delivery time of the stage, reduce the project material redundancy, avoid material waste, and improve the site management efficiency.

[0038] In step b, each node component of the bridge is deepened according to the design data, processing mode and processing material factors, so as to ensure the correctness of the modeling size and linear curve in the model, discover unreasonable places in the bridge construction in time and make corresponding deepening design, adjust the space system coordinates in the software, determine the positioning point data of the main position of each component, and facilitate the use of later positioning measurement.

[0039] In step b, for the convenience of later use, the component model precision of the complex node part of the bridge model established by using the software should reach the LOD400 or LOD500 level under the guidance of the bill of quantities.

[0040] In step c, the material library should contain the basic material attributes of the component, including material name, material model, material unit and material unit price.

[0041] In step e, the bill of quantities should be expressed in accordance with the specification description method and necessary information, including list items, units and unit prices.

[0042] The present application can obtain accurate measurement and matched pricing through the model by adopting BIM three-dimensional technology to perform 1:1 construction deepening and virtual splitting on the whole bridge, simulating the actual construction effect on the model, and mapping and binding the information data of the model component with the material library and the bill of quantities, so as to facilitate the fine management and control of the project and realize cost reduction and efficiency improvement.

[0043] The foregoing basic examples and each further selected example of the present application can be freely combined to form a plurality of embodiments, all of which are embodiments that can be adopted and claimed by the present application. In the present application scheme, each selected example can be arbitrarily combined with any basic example and selected example.

[0044] The above only describes the preferred embodiments of the present application and does not limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A bridge engineering cost management construction method based on BIM technology, characterized in that, It comprises the following steps: Step a, collate engineering design files and bill of quantities, according to the complexity of the shape of the bridge engineering, parts production and precision requirements for measurement, formulate modeling accuracy by parts; Step b, based on the guidance of the bill of quantities, use BIM modeling software to complete the overall modeling of the bridge, and realize the virtual splitting of the bridge parts according to the construction guidance, and deepen the parts; Step c, in the model, import the material information required in the project quantity list statistics to provide the required material type for the project model, configure the engineering material library, and dynamically maintain the list according to engineering changes or scheme adjustment; Step d, by mapping the relationship between component quantity and material in the modeling software, meet the needs of different models binding different materials, so that the established model components can find the corresponding material quantity according to the bill of quantities; Step e, by binding the engineering quantity information in the engineering model component with the bill of quantities, or according to the demand, selecting part of the engineering quantity information of the component and binding with the bill of quantities, calculating the engineering quantity of the required component, and according to the different model accuracy, a certain coefficient conversion is carried out to achieve more accurate calculation value; Step f, combined with the unit price of the list subgoal, the corresponding calculation is carried out to realize the engineering cost of each component of the project, and the engineering quantity and cost of the bridge are directly obtained; Step g, by comparing the actual engineering quantity of the model with the design engineering quantity of the list, the material consumption and cost of each component of the engineering project are analyzed, and the material consumption and cost problems are more directly controlled; Step h, according to the construction stage progress plan and the engineering quantity and cost of the corresponding component demand part, the material plan and delivery time of this stage are quickly formulated, the project material redundancy is reduced, the material waste is avoided, and the site management efficiency is improved; The method is aimed at bridges of municipal or highway nature, adopts concrete or steel structure form, and carries out pouring or prefabrication and assembly for installation and erection, and is aimed at the bridge structure engineering as the plane or space system in the bridge main body which connects and can bear load; In step b, according to the factors of design data, processing method and processing material, each node component of the bridge is deepened to ensure the correctness of the modeling size and linear curve in the model, and unreasonable places in the bridge construction are found in time and corresponding deepening design is made, and the spatial system coordinates are adjusted in the software to determine the positioning point data of the main position of each component for convenient later positioning measurement; In step b, for the convenience of later use, the component model precision of the complex node part of the bridge model established by the software should reach LOD400 or LOD500 level under the guidance of the bill of quantities; In step b, all parts of the bridge modeling can be independently split according to the bill of quantities, and the modeling splitting rule is: whole to part, part to component, component to part; In step c, the material library should contain the basic material attributes of the component, including material name, material model, material unit and material unit price; In step e, the expression of the bill of quantities should conform to the specification description method and necessary information, including list items, unit and unit price.

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