CN110216788B - Intelligent control method for bridge segment prefabricating field - Google Patents
Intelligent control method for bridge segment prefabricating field Download PDFInfo
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Abstract
The invention discloses an intelligent control method for a bridge segment precast field, which comprises the following steps: establishing a model of a bridge segment prefabrication field in a BIM data management platform; dividing the terminal equipment into a first terminal used by project management personnel and a second terminal used by site construction personnel according to the labor division difference of workers in a precast yard; the site constructor uploads information corresponding to the completed construction project to the background server through the second terminal, and the background server compares the received information; if the comparison result exceeds the allowable error range, sending a checking waiting instruction to the first terminal; the first terminal carries out manual examination on the information, if the project management personnel think that the information meets the requirements, a pass acceptance instruction can be sent to the second terminal, and if the project management personnel think that the information does not meet the requirements, a modification scheme can be sent to the second terminal through the first terminal. The invention can carry out intelligent and precise management on bridge construction projects.
Description
Technical Field
The invention relates to an intelligent assembly line control method for a precast yard, in particular to an intelligent production method for a bridge segment precast yard.
Background
The bridge prefabrication and assembly technology is a high-end construction technology of the bridge industry and is the most direct and effective mode for the industrialization and the greening of the construction of high-speed railway bridges. However, compared with the traditional bridge construction mode, the bridge prefabrication and assembly technology has high requirements on control and management of key links such as prefabrication field construction, construction process, assembly and erection and the like, and high-precision control of the prefabrication and assembly technology requirements cannot be guaranteed only by means of a manual management mode and a traditional informatization technology, and the efficiency of the prefabrication and assembly technology cannot be fully exerted.
In recent years, with the wide application of Building Information Modeling (BIM) technology in the field of prefabrication and assembly technology, the prefabrication and assembly technology starts to gradually shift from traditional manual work and extensive work to industrialization, precision and standardization. The BIM technology integrates engineering information including physical information, geometric information, assembly information and the like of each stage in the life cycle of a building by establishing a digital model for a project structure by utilizing a computer technology, and finally provides feasible solutions in a deep design stage of a PC component, such as comparison and selection of different schemes, collision inspection, building performance detection and the like in the project design stage, construction deep design, three-dimensional visual interaction, construction scheme simulation, engineering quantity calculation, application of a bidding stage and the like in the project construction stage, space management, asset management, equipment maintenance and the like in the project operation and maintenance stage.
In the prior art, a lot of cases exist for applying the BIM technology to the assembly line production of a prefabricated yard, but in the actual production process, the intelligent degree of the existing prefabricated yard is still at a lower level, the construction management requirements of specific links in assembly line operation cannot be met, the informatization degree among all the flows is lower, the workers cannot comprehensively master project construction information, progress reporting is not timely, construction materials cannot be supplied as required, and the construction period is delayed.
Disclosure of Invention
In order to solve the technical problems of low intelligent production level and the like of the bridge segment precast yard in the prior art, the invention provides an intelligent control method of the bridge segment precast yard, which can perform visual, intelligent and accurate management on construction projects aiming at each construction stage of a bridge segment
An intelligent control method for a bridge segment prefabrication field is characterized by comprising the following steps of:
s1, establishing a model of a bridge section prefabrication field in a BIM data management platform, and inputting order information of prefabricated section beams according to bridge erection requirements;
s2, dividing terminal equipment into a first terminal used by project management personnel and a second terminal used by field construction personnel according to the labor division difference of workers in a prefabricated yard, wherein the first terminal has the authority of final verification of unqualified information fed back by a background server, which is different from the second terminal;
s3, after the field constructor finishes the distributed construction projects, the information corresponding to the finished construction projects is uploaded to the background server through the second terminal, and the background server compares the information after receiving the information sent by the second terminal; if the comparison result is the same or within the error range, the background server sends a pass acceptance instruction to the second terminal, and if the comparison result exceeds the allowable error range, the background server sends a wait audit instruction to the first terminal;
s4, after receiving a checking waiting instruction, the first terminal performs manual checking on the information uploaded to the background server by the second terminal, if the checking result meets the requirement, the first terminal sends an acceptance passing instruction to the second terminal, and if the checking result does not meet the requirement, the first terminal sends a modification scheme to the second terminal;
s5, after receiving the acceptance instruction, the second terminal updates and confirms the construction information of the bridge section and uploads the construction information after updating and confirmation to the background server; and after receiving the modification scheme, the second terminal temporarily does not have the permission of updating and confirming the construction information of the bridge section.
Further, S2 has still included, has carried out the chip pre-buried to the bridge segment, pack the chip into the lamp holder box to be connected with the steel reinforcement cage with the mounting, implant the bridge segment the product information that has corresponding bridge segment is stored in the chip, product information has included serial number, structure size information, arrangement of reinforcement information, built-in fitting installation information and the concrete placement information of bridge segment.
Further, the chip also stores construction information corresponding to the bridge segment, the construction information comprises starting time and ending time of a process, a construction position, constructor information and construction task completion conditions, and field constructors read the product information and the construction information in the bridge segment chip through the second terminal and can update and confirm the construction task completion conditions.
Further, in S3, the information includes text information and image information, and the text information includes information on personnel who completed the construction project, start and stop times of the construction project, a casting design value, and a casting actual value.
Further, the information received by the background server and sent by the second terminal is the image information, and the processing process of the image information by the information processing module of the background server at least includes: and converting the image information into a structural model under a three-dimensional coordinate system, comparing coordinate unit information of each marking point in the structural model with coordinate unit information of each marking point in a designed structural model established in a BIM data management platform, judging that the result is passed acceptance if the comparison result of the coordinate unit information is matched with each other within an error range, and judging that the result is waited for auditing if the comparison result of the coordinate unit information exceeds the error range.
Furthermore, the chip is an RFID chip and adopts an ultrahigh frequency RFID label.
Further, S3 includes: the second terminal can read the position information in the position marking module in the bridge segment chip and upload the position information to the background server, the background server stores the position information, when the second terminal reads the position marking module in the bridge segment chip again, the background server can receive the position information of the bridge segment uploaded by the second terminal again, and the background server updates the position information of the bridge segment.
Further, the method also comprises the following steps: s6, the bridge section chip comprises a signal transmitting module, a signal receiving module matched with the signal transmitting module is arranged on the portal crane, and after the signal receiving module on the portal crane finishes accurate positioning of the bridge section, the portal crane starts beam lifting operation to finish transportation and storage of the bridge section.
The invention has the beneficial effects that:
1. the invention divides the terminal equipment into a first terminal used by project managers and a second terminal used by field constructors according to the difference of the functions of the workers in the precast yard, discriminatively designs the related functions of the first terminal and the second terminal according to the difference of the work of the project managers and the field constructors, the constructors can feed back the field construction condition to the background server at the first time and can access the background server at the first time by the first terminal to know the field construction condition by utilizing the first terminal, thereby visually presenting all the construction progress in the precast yard, leading the managers to know the construction progress even if not appearing in the precast yard and check and accept specific construction projects, and remotely providing a correction suggestion for the field constructors when the check and acceptance is not qualified, and the method is favorable for managers to adjust the subsequent construction arrangement in time.
2. The acceptance of the construction project of the bridge section is realized by analyzing and processing the field image information through the background server, the construction quality of field construction personnel on the bridge section can be effectively improved, and the workload of management personnel on engineering inspection is reduced; meanwhile, a manual rechecking function is added to construction projects which do not pass machine auditing, convenience is provided for field construction personnel to adjust part of construction work according to actual construction requirements, intelligent control and manual reasonable intervention are combined, and the production efficiency of bridge sections is effectively improved.
3. According to the invention, the chips are implanted into the bridge sections, so that the field construction personnel can conveniently read the product information and the construction information of different bridge sections, and through the matching of the chips of the bridge sections and the second terminals of the field construction personnel, the management personnel can conveniently arrange construction tasks, and the management personnel can conveniently evaluate and judge the work of the construction personnel in the later period. By utilizing the positioning function of the bridge segment chip, workers in a prefabricated yard can quickly find the position of the bridge segment. Utilize the signal transmission function of bridge segment, can help the portal crane to realize the operation of automatic handle, improve the conveying efficiency to bridge segment in the prefabricated yard.
Drawings
Fig. 1 is a flow chart of an intelligent control method of a bridge segment prefabrication field of the invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
In the intelligent control method for the bridge segment precast yard in the embodiment, firstly, a precast yard for producing precast segment beams needs to be established in a BIM data management platform, a planar design drawing of the precast yard, the arrangement condition of each production partition in the precast yard, precast yard production equipment, project personnel information, information of precast production components and the like are input, the data are integrated and analyzed in the BIM data management platform, and a BIM model of the bridge segment precast yard is established.
According to the actual erection requirement of the bridge, order information of the prefabricated segmental beams is input on the BIM management platform, and the order information mainly comprises information of all segmental beams of the bridge and raw material information required by engineering. The information of each section of the bridge comprises the size, the concrete grade, the steel bar diameter, the steel bar shape, the position of the embedded part, the size of a concrete template and the like of the prefabricated box girder, and the raw material information can be specifically divided into concrete information, steel bar information, embedded part information and the like.
Based on the model of the bridge segment prefabrication field, the BIM data management platform can analyze and calculate to obtain and finish the order information, the bridge segment prefabrication field needs input manpower and material resources, meanwhile, according to the existing equipment and field information, a production construction plan of the prefabrication field is automatically generated, and construction schedule arrangement, construction required materials and equipment, personnel and equipment approach time, the continuous time of adjacent construction processes, personnel arrangement in each process, personnel and equipment conversion among the construction processes, management and transportation of finished components and the like are determined.
In order to make the optimal configuration for the production construction plan of the precast yard, the BIM data management platform can provide different production construction plan selection schemes according to objective factors such as local weather, climate change, the limit of local government to construction time and the like, and constructors can select the optimal production plan according to the listed selection schemes.
The method is realized by an intelligent control system of a bridge segment prefabrication field, the system comprises a background server, a first terminal, a second terminal and bridge segment chips, wherein the background server at least comprises a receiving module, an information processing module and a sending module, the first terminal has at least the same function as the second terminal, the first terminal also has special use authority, and the special use authority enables the first terminal to have the function different from the second terminal, the bridge segment chips are arranged in each bridge segment, the number of the bridge segment chips is consistent with that of the bridge segments, and the implantation of the bridge segment chips is realized by loading the chips into a lamp holder box and connecting the chips with a reinforcement cage by using a fixing piece.
In the assembly line production operation of the prefabricated yard, because the division of labor of workers in the yard is different, the functions of the first terminal and the second terminal are further subdivided, wherein the user of the first terminal can be a project manager, and the user of the second terminal can be a site builder. The second terminal has the basic functions of terminal equipment, the terminal equipment can be a notebook computer, a tablet personal computer, a mobile phone, a vehicle-mounted computer, a palm personal computer (PDA) and the like, field construction personnel can read the basic information of the bridge segment chip by using the second terminal and can upload information to the background server after completing a construction project, and the information uploaded by the second terminal comprises character information and image information related to the construction project. The first terminal has the functions of receiving an audit waiting instruction sent by the background server, checking the information uploaded by the second terminal, and directly sending a checking result to the second terminal, besides the functions of the second terminal.
The construction method utilizes the BIM data management platform, and the specific operation method in the production process of the precast yard is as follows: the field constructor reads the basic information in the bridge segment chip by using the second terminal, the method for reading the bridge segment chip by using the second terminal can adopt a method of scanning an RFID chip or a method of using a Bluetooth, infrared and other wireless communication modules, after the bridge segment chip is read, the field constructor can obtain the product information and the construction information of the bridge segment, wherein the product information comprises: the serial number, the structural dimension information, the reinforcement information, the embedded part installation information, the concrete pouring information and the like of the bridge segment, wherein the construction information comprises: the start time and the end time of process, the construction position, constructor information and construction task completion condition etc. checking above-mentioned bridge segment's product information and construction information after, the relevant production work that on-the-spot constructor can begin oneself to be responsible for, after accomplishing above-mentioned production work, on-the-spot constructor can utilize the second terminal to change the construction task completion condition in the construction information of bridge segment, but before changing the construction task completion condition, will be earlier with the information transmission that the construction project that has accomplished corresponds to the backstage server and examine, the information has included literal information and image information, wherein literal information has included: the information of the personnel who completed the construction project, the starting and ending time of the construction project, the casting design value and the casting actual value, etc., and the image information may be the evidence of the photo or image of the relevant construction project, etc.
And the background server processes the received information, the process of information processing comprises the step of comparing the received information with preset information, the preset information is a result analyzed and calculated by the BIM management platform before production starts, if the comparison result shows that the received information is consistent with the preset information or the result is within an error range, the background server directly feeds back the result to the second terminal, the site constructor is allowed to complete the updating confirmation of the completion condition of the construction task, and the construction of the next procedure can be started. And if the comparison result shows that the received information is inconsistent with the preset information, sending the comparison result to the first terminal.
Next, after receiving the comparison result, the first terminal prompts the project manager to check the comparison result, and after checking the comparison result, if the received information is really different from the preset information, the information can be directly sent to the second terminal through the first terminal, the site constructor is clearly informed of the problem and is allowed to carry out construction again, if the project manager considers that the difference of the comparison results is caused by other reasons, such as before production, on-site construction personnel already, the initial time, the end time or the temporary adjustment of the position of a hoisting point of a certain process of the bridge section are reported, project management personnel can send an authorization instruction to a second terminal through a first terminal to agree with the site construction personnel to carry out the operation of the next process, and simultaneously giving the second terminal permission to update and confirm the completion condition of the construction task of the current bridge section.
The preferred embodiments of the present invention include:
further, the step of the image information input by the site constructor by using the second terminal is as follows: when a constructor finishes a certain procedure, for example, after the framework reinforcing steel bars of the bridge section are erected, embedded parts need to be welded on the framework reinforcing steel bars, after the constructors finish welding all the embedded parts, the image information of all the embedded parts needs to be input through the second terminal, and uploads the image information to a background server, and the background server analyzes and calculates the image information, establishing a coordinate unit (X, Y, Z) of the position information of each embedded part in a three-dimensional coordinate system, comparing the coordinate unit (X, Y, Z) with a coordinate unit (X, Y, Z) of the designed position of the bridge segment embedded part established in a BIM data management platform, if the coordinate units are matched with each other within an error range, and judging that the coordinate unit passes the acceptance, and if the coordinate unit fails to be matched within the error range, sending the comparison result to the first terminal.
Further, the bridge segment chip comprises a position marking module, and the position marking module is used for positioning the position of the bridge segment. When the second terminal reads the bridge segment chip, the second terminal uploads the read position of the bridge segment to the background server, the background server stores the position information of the bridge segment, and when the second terminal reads the bridge segment chip again, the background server receives the position information of the bridge segment again and stores the position of the bridge segment again. Therefore, the change of the position information of the bridge segment every time can be stored and recorded in the background server, when the first terminal or the second terminal accesses the background server, the background server can automatically generate the positions of the bridge segment in different production periods only by inputting the label information of the corresponding bridge segment, and the information is sent to the first terminal or the second terminal.
Further, the product information stored in the bridge segment chip is automatically generated by the BIM data management platform according to the received order information, and is calculated by the BIM data management platform in the design stage of the product, so that the product information cannot be modified through a terminal. The construction information can be modified after the production project of each stage is completed, and the modification of the construction information by the site constructor through the second terminal needs to be authorized by the background server or the first terminal. And when the construction information in the bridge segment chip is modified, the background server can automatically store the real-time state of the production progress, and simultaneously send an instruction to field constructors and project managers of the next procedure to remind the field constructors and the project managers of starting to carry out production planning of the next stage.
Furthermore, the bridge segment chip also comprises a signal transmitting module which is used for realizing the accurate positioning of the bridge segment and the portal crane. After the prefabrication production of the bridge sections is completed, the gantry crane is controlled to move towards the prefabricated bridge sections, the gantry crane is provided with a signal receiver matched with the signal transmitting module, and after the signal receiver on the gantry crane completes the accurate positioning of the bridge sections, the beam lifting operation can be performed on the bridge sections, so that the automatic beam storage of the bridge sections is realized.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. An intelligent control method for a bridge segment prefabrication field is characterized by comprising the following steps:
s1, establishing a model of a bridge section prefabrication field in a BIM data management platform, and inputting order information of prefabricated section beams according to bridge erection requirements;
s2, dividing terminal equipment into a first terminal used by project management personnel and a second terminal used by field construction personnel according to the labor division difference of workers in a prefabricated yard, wherein the first terminal has the authority of final verification of unqualified information fed back by a background server, which is different from the second terminal;
s3, after the field constructor finishes the distributed construction projects, the information corresponding to the finished construction projects is uploaded to the background server through the second terminal, and the background server compares the information after receiving the information sent by the second terminal; if the comparison result is the same or within the error range, the background server sends a pass acceptance instruction to the second terminal, and if the comparison result exceeds the allowable error range, the background server sends a wait audit instruction to the first terminal;
s4, after receiving a checking waiting instruction, the first terminal performs manual checking on the information uploaded to the background server by the second terminal, if the checking result meets the requirement, the first terminal sends an acceptance passing instruction to the second terminal, and if the checking result does not meet the requirement, the first terminal sends a modification scheme to the second terminal;
s5, after receiving the acceptance instruction, the second terminal updates and confirms the construction information of the bridge section and uploads the construction information after updating and confirmation to the background server; after receiving the modification scheme, the second terminal temporarily does not have the permission of updating and confirming the construction information of the bridge section;
in S3, the information includes text information and image information, where the text information includes information on personnel who complete a construction project, start and stop times of the construction project, a casting design value, and a casting actual value;
the information received by the background server and sent by the second terminal is the image information, and the processing process of the image information by the information processing module of the background server at least comprises the following steps: and converting the image information into a structural model under a three-dimensional coordinate system, comparing coordinate unit information of each marking point in the structural model with coordinate unit information of each marking point in a designed structural model established in a BIM data management platform, judging that the result is passed acceptance if the comparison result of the coordinate unit information is matched with each other within an error range, and judging that the result is waited for auditing if the comparison result of the coordinate unit information exceeds the error range.
2. The intelligent control method for the bridge segment precast yard according to claim 1, wherein the S2 further comprises pre-embedding a chip into the bridge segment, connecting the chip to the reinforcement cage by using a fixing member, wherein the chip embedded into the bridge segment stores product information corresponding to the bridge segment, and the product information includes a serial number, structural size information, reinforcement information, pre-embedded member installation information, and concrete placement information of the bridge segment.
3. The intelligent control method for the bridge segment prefabrication yard according to claim 2, characterized in that the chip is further stored with construction information corresponding to the bridge segment, the construction information includes start time and end time of a process, a construction position, constructor information and a construction task completion condition, and a site constructor reads product information and construction information in the bridge segment chip through the second terminal and can update and confirm the construction task completion condition.
4. The intelligent control method for the bridge segment prefabrication field according to claim 2, wherein the chip is an RFID chip and adopts an ultrahigh frequency RFID tag.
5. The intelligent control method for the bridge segment prefabrication field of claim 4, wherein said S3 further includes: the second terminal can read the position information in the position marking module in the bridge segment chip and upload the position information to the background server, the background server stores the position information, when the second terminal reads the position marking module in the bridge segment chip again, the background server can receive the position information of the bridge segment uploaded by the second terminal again, and the background server updates the position information of the bridge segment.
6. The intelligent control method for the bridge segment prefabrication field of claim 4, further comprising: s6, the bridge section chip comprises a signal transmitting module, a signal receiving module matched with the signal transmitting module is arranged on the portal crane, and after the signal receiving module on the portal crane finishes accurate positioning of the bridge section, the portal crane starts beam lifting operation to finish transportation and storage of the bridge section.
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| CN110853310B (en) * | 2019-10-17 | 2021-02-19 | 北京华跃博弈科技有限公司 | Intelligent decoration construction system and data acquisition method thereof |
| CN111210199B (en) * | 2020-01-03 | 2022-06-07 | 广西路桥工程集团有限公司 | Bridge prefab BIM information management system |
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