CN112711788A - Bridge erection process dynamic prediction and control method based on BIM technology - Google Patents
Bridge erection process dynamic prediction and control method based on BIM technology Download PDFInfo
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Abstract
The invention relates to a dynamic prediction and control method for a bridge erection process based on a BIM technology, which establishes an incidence relation of each part of a bridge by inputting control information of inverted project progress nodes and automatically calculates the progress control information of a specific construction object by dynamic calculation. The construction dynamic information can be input in real time according to the mobile terminal on a construction site, the system gradually calculates and compares progress deviation values of the construction object and each progress node by utilizing the two information, and the comparison values are displayed and early warned through a BIM visual model, so that whether a construction plan needs to be adjusted or not and whether progress needs to be interfered or not are decided, and effective control of site construction progress is facilitated.
Description
Technical Field
The invention relates to the technical field of bridge engineering construction informatization management, in particular to a dynamic prediction and control technology of a prefabricated beam erection key line based on a BIM (building information modeling) technology.
Background
In the bridge construction process, a construction project generally makes progress nodes according to the total construction period requirement, and the investment of construction resources is adjusted according to the result of node progress deviation. The method has the advantages that the granularity requirement on the progress node control is coarse, the progress control is conducted by taking the result as the guide, the control degree of the process of the construction object with finer granularity is limited, and the communication of the real-time construction dynamic information on site can be limited.
BIM technology is a building information model technology, is a data tool applied to engineering design, construction and management, and is used for describing computer aided design mainly based on three-dimensional graphics, object guidance and architecture. At present, BIM is mostly in macroscopic presentation in bridge construction, but the real-time monitoring of the construction process of bridge erection key lines is not involved, and the development and design are carried out based on the background.
Disclosure of Invention
The invention aims to provide a method for dynamically calculating and predicting whether the node progress meets the control index in the precast beam erection process based on the BIM technology so as to decide whether intervention is beneficial to field construction.
In order to achieve the purpose, the invention adopts the technical scheme that:
a bridge erection process dynamic prediction and control method based on BIM technology comprises the following steps:
step A: and (3) previewing the reverse arrangement construction period:
aiming at the completion time of a bridge project to be erected, determining each erecting working surface and planned completion time by combining the conditions of planned input resources;
determining the erection cycle of the connected span and the erection sequence of the precast beams, and reversely pushing the latest completion time of each span according to the erection sequence of the precast beams;
calculating the latest completion time of the structure influencing the construction of the span according to the latest completion time of each span;
and B: BIM-based visual information management system construction
Building a visualization system by combining a graphical plug-in based on the component decomposition of the BIM model, and driving the change of the model state through dynamic data;
and C: on-site real-time dynamic calculation reminder
Calculating the expected completion time of the structures for subsequent construction according to the actual construction time of each structure;
if the predicted completion time calculated by the structure exceeds the latest completion time of the structure set in the step A, sending out reminding information;
step D: data-driven visual presentation
Indicating the difference value calculated by the actual predicted completion time of the structure and the preset latest completion time in different states and colors;
the change of the model state is driven by the input real-time dynamic data, and the effect of the construction process is visually displayed.
And step B, performing backward calculation verification according to the set connected span erection period and the front-back association relation, and verifying the reasonability of the span-by-span erection nodes.
Further, in the step C, if the structure has a plurality of front tasks, if the precast beam is influenced by the construction of two capping beams at least, the latest completion time is estimated.
Optimally, in the step C, the reminding comprises pushing the reminding and the early warning information to corresponding managers in the modes of short messages, APPs, Web terminals and the like.
Furthermore, the control of the erection time of the precast beam comprises site construction control and beam yard production control, and plan adjustment or reminding is carried out in real time.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the method is based on the BIM technology to model the bridge project to be monitored, establishes the incidence relation of all parts of the bridge through inputting the control information of the progress nodes of the inverted project, and automatically calculates the progress control information of a specific construction object by utilizing dynamic calculation. The construction dynamic information can be input in real time according to the mobile terminal on a construction site, the system gradually calculates and compares progress deviation values of the construction object and each progress node by utilizing the two information, and the comparison values are displayed and early warned through a BIM visual model, so that whether a construction plan needs to be adjusted or not and whether progress needs to be interfered or not are decided, and effective control of site construction progress is facilitated.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings.
FIG. 1 is a flow chart of a dynamic prediction and control method of the present invention;
FIG. 2 is a flow chart of the present invention for determining a cross-wise erection reference time;
FIG. 3 is a flow chart of the process for producing precast beams according to the present invention;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention determines the latest completion time by means of reverse arrangement of construction period with reference to actual construction experience of project managers based on a BIM technology application key line control theory; according to the actual construction time, determining the predicted completion time by adopting a dynamic calculation mode, wherein the detailed implementation mode is as follows:
step A: and (3) previewing the reverse arrangement construction period:
firstly, determining each erected working surface and planned completion time by taking project completion time as a target and combining the conditions of planned input resources;
secondly, after the erection period of the coupling span is set, backward pushing is carried out according to the erection sequence of the precast beams, wherein the latest completion time of each span is reached;
and thirdly, calculating the latest completion time of the structure influencing the construction of the span according to the latest completion time of each span.
And B: BIM-based visual information management system construction
The model state can be driven to change by combining the component decomposition of the BIM model and the system model building by combining the graphical plug-in, and the construction process effect can be visually displayed by dynamically calculating data.
And C: and (3) real-time dynamic calculation:
calculating the expected completion time of the structures for subsequent construction according to the actual construction time of each structure;
secondly, when the structure has a plurality of preposed tasks, if the precast beam is influenced by the construction of two capping beams at least, the system calculates according to the latest completion time;
and thirdly, when the predicted completion time calculated by the structure exceeds the latest completion time, the system automatically pushes the information to corresponding managers in the modes of short messages, APP, Web terminals and the like.
Step D: data-driven visual control
The difference between the predicted completion time and the latest completion time is indicated in different states and colors. And field personnel input construction dynamic information in real time by using the mobile terminal of the mobile phone, and the construction progress effect is visually displayed.
The above describes the specific implementation process of the present invention, and further implementation of the present invention is described in detail below with reference to fig. 2 and 3:
fig. 2 shows the setting rules for each preset time:
firstly, determining the completion period of each unit project (corresponding bridge) according to the total project period;
then, determining the span-by-span erection nodes, specifically:
according to the total construction period of a unit project, the project personnel determine span-by-span erection nodes, the system performs backward check calculation according to a set production period (a single beam or a plurality of beams are a unit) and a set front-back association relation so as to ensure the reasonability of the span-by-span erection nodes, and meanwhile, the system can automatically (or manually) adjust the erection nodes every day according to the association relation of components;
in the aspect of site construction, according to the erection time of each span, the association relationship and the production cycle of the components, determining earliest starting time and latest finishing time nodes of all levels of lower associated components, comparing the earliest starting time and the latest finishing time nodes with the planning construction period, verifying the feasibility of the plan, and prompting whether to adjust the plan if the plan starting date is later than the latest starting event or the plan finishing date is later than the latest finishing time;
in the construction process, early warning of different degrees is carried out according to the actual starting time and the actual finishing time of the infrastructure and the latest starting time and the latest finishing time of the corresponding components;
in terms of beam field prefabrication, as shown in fig. 3, the specific process control is as follows:
firstly, determining the supply relationship between the precast beam and the unit project, namely the number of working faces to be supplied; determining the production period of each beam; determining the upper limit of a beam storage area and the initial storage quantity;
and then automatically distributing according to the span-by-span erection time of all working faces according to the production progress and the demand of the precast beam, and when: inventory + (span-by-span erection date-inventory registration date) × productivity < span-by-span erection node demand, then corresponding reminding is carried out;
meanwhile, different types of components needing to be finished in the time range, such as how many span beams, how many capping beams and pier columns are to be prefabricated, can be determined according to different demand times, the workload needing to be finished is listed on the basis of deducting the workload which is finished currently, the suggested capacity is calculated according to the demand of each type of component, and the site is guided to be adjusted correspondingly according to the actual production condition.
In summary, the invention establishes a control system based on the BIM technology, inputs the control information of project progress nodes, and utilizes dynamic calculation to automatically calculate the progress control information of specific construction objects after the incidence relation of each part of the bridge is clarified. Project management personnel can acquire the situations of the recently constructed part, the current delay situation, the predicted completion situation of each part and the whole (working face and unit project), whether the erection of the precast beam is influenced or not and the like in real time, and can guide the project management personnel to optimize resource allocation, adjust resource investment and correct the deviation and stop the loss in time. And controlling the precast beams of each unit project to be erected smoothly, and finally ensuring that the total project period is finished as required.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (5)
1. A bridge erection process dynamic prediction and control method based on BIM technology is characterized by comprising the following steps:
step A: and (3) previewing the reverse arrangement construction period:
aiming at the completion time of a bridge project to be erected, determining each erecting working surface and planned completion time by combining the conditions of planned input resources;
determining the erection cycle of the connected span and the erection sequence of the precast beams, and reversely pushing the latest completion time of each span according to the erection sequence of the precast beams;
calculating the latest completion time of the structure influencing the construction of the span according to the latest completion time of each span;
and B: BIM-based visual information management system construction
and C: on-site real-time dynamic calculation reminder
Calculating the expected completion time of the structures for subsequent construction according to the actual construction time of each structure;
if the predicted completion time calculated by the structure exceeds the latest completion time of the structure set in the step A, sending out reminding information;
step D: data-driven visual presentation
Indicating the difference value calculated by the actual predicted completion time of the structure and the preset latest completion time in different states and colors;
the change of the model state is driven by the input real-time dynamic data, and the effect of the construction process is visually displayed.
2. The method for dynamically predicting and controlling the bridge erection process based on the BIM technology as claimed in claim 1, wherein: and step B, performing backward calculation checking according to the set span-connection erection period and the front and rear associated structural members, and verifying the reasonability of the span-by-span erection nodes.
3. The method for dynamically predicting and controlling the bridge erection process based on the BIM technology as claimed in claim 1, wherein: in the step C, if the structure has a plurality of front tasks, if the precast beam is influenced by the construction of two capping beams at least, the latest completion time is estimated.
4. The method for dynamically predicting and controlling the bridge erection process based on the BIM technology as claimed in claim 1, wherein: and in the step C, the reminding comprises pushing the reminding and the early warning information to corresponding managers in the modes of short messages, APP, Web terminals and the like.
5. The method for dynamically predicting and controlling the bridge erection process based on the BIM technology as claimed in claim 1, wherein: the span-by-span erection time control comprises site construction control and precast beam yard production control, and plan adjustment or reminding is carried out in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011625156.0A CN112711788B (en) | 2020-12-30 | BIM technology-based bridge erection process dynamic prediction and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011625156.0A CN112711788B (en) | 2020-12-30 | BIM technology-based bridge erection process dynamic prediction and control method |
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| CN112711788A true CN112711788A (en) | 2021-04-27 |
| CN112711788B CN112711788B (en) | 2024-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113256131A (en) * | 2021-06-01 | 2021-08-13 | 安徽鑫洋信息工程有限公司 | Intelligent coordination construction system of prefabricated building |
| CN114519626A (en) * | 2022-01-10 | 2022-05-20 | 湖北国际物流机场有限公司 | Salary management method and system based on BIM model |
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|---|---|---|---|---|
| US20130335413A1 (en) * | 2012-06-13 | 2013-12-19 | National Chiao Tung University | System and method for estimating construction duration |
| CN111021265A (en) * | 2020-01-16 | 2020-04-17 | 中铁十九局集团第一工程有限公司 | BIM technology-based railway large-span continuous beam swivel construction control method |
| CN111210199A (en) * | 2020-01-03 | 2020-05-29 | 广西路桥工程集团有限公司 | Bridge prefab BIM information management system |
| CN111340458A (en) * | 2020-03-17 | 2020-06-26 | 中铁城建集团有限公司 | Construction progress informatization management method |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130335413A1 (en) * | 2012-06-13 | 2013-12-19 | National Chiao Tung University | System and method for estimating construction duration |
| CN111210199A (en) * | 2020-01-03 | 2020-05-29 | 广西路桥工程集团有限公司 | Bridge prefab BIM information management system |
| CN111021265A (en) * | 2020-01-16 | 2020-04-17 | 中铁十九局集团第一工程有限公司 | BIM technology-based railway large-span continuous beam swivel construction control method |
| CN111340458A (en) * | 2020-03-17 | 2020-06-26 | 中铁城建集团有限公司 | Construction progress informatization management method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113256131A (en) * | 2021-06-01 | 2021-08-13 | 安徽鑫洋信息工程有限公司 | Intelligent coordination construction system of prefabricated building |
| CN113256131B (en) * | 2021-06-01 | 2024-02-02 | 安徽鑫洋信息工程有限公司 | Intelligent coordination construction system of assembled building |
| CN114519626A (en) * | 2022-01-10 | 2022-05-20 | 湖北国际物流机场有限公司 | Salary management method and system based on BIM model |
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