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CN-121169217-B - Construction quality tracing method and system for building main body

CN121169217BCN 121169217 BCN121169217 BCN 121169217BCN-121169217-B

Abstract

The invention provides a construction quality tracing method and a construction quality tracing system for a building main body, and relates to the technical field of building construction management, wherein the method comprises the steps of dividing regional blocks based on a pixel matrix of a construction site image, matching each regional block with preset control node coordinates in a building information model, identifying and positioning a target node, and generating node image data; the method comprises the steps of acquiring construction environment parameters and physical state parameters of a target node based on the target node related to node image data, generating a multi-dimensional parameter set based on a time stamp index, performing parameter fitting calculation on the multi-dimensional parameter set to generate a parameterized tag sequence used for representing construction progress and quality state, performing encryption processing on the parameterized tag sequence and storing the parameterized tag sequence into a distributed account book to form encrypted evidence storage data, and performing quality responsibility tracing and construction record verification based on the encrypted evidence storage data to generate a quality tracing verification result. The construction progress and quality state can be comprehensively and accurately monitored in real time.

Inventors

  • CHENG LI

Assignees

  • 聚变新能(安徽)有限公司

Dates

Publication Date
20260505
Application Date
20251121

Claims (10)

  1. 1. The method for tracing the construction quality of the building main body is characterized by comprising the following steps of: Dividing regional blocks based on a pixel matrix of a construction site image, matching each regional block with preset control node coordinates in a building information model, identifying and positioning target nodes to generate node image data, wherein the target nodes are construction nodes for quality control and tracing, and the identifying and positioning the target nodes comprises the steps of calculating regional concentration coefficient of each regional block Wherein, the method comprises the steps of, Is the first The region concentration coefficients of the individual region blocks, Is the first The number of pixels of the individual region blocks is the ratio, Is the first The number of pixels of the individual region blocks, The number of the whole pixels of the image; Is the first Gray level uniformity index of each region block, Is the first The standard deviation of gray values of pixel points in each regional block, For the maximum value of the standard deviation of gray values in all the area blocks, And As the weight coefficient of the light-emitting diode, Screening candidate region blocks according to the region concentration coefficient of each region block, and calculating the superposition ratio of each candidate region block and the control node; the regional block with the highest overlapping proportion with the control node is screened out, and the regional block is the core region containing the target node; based on a target node associated with the node image data, acquiring construction environment parameters and physical state parameters of the target node, and generating a multi-dimensional parameter set based on a time stamp index; performing parameter fitting calculation on the multidimensional parameter set to generate a parameterized tag sequence for representing construction progress and quality state; Encrypting the parameterized tag sequence and storing the parameterized tag sequence into a distributed account book to form encrypted certificate-storing data; and carrying out quality responsibility tracing and construction record verification based on the encrypted certification data to generate a quality tracing verification result.
  2. 2. The method for tracing the construction quality of a building main body according to claim 1, wherein the pixel matrix based on the construction site image divides the area blocks, matches each area block with a control node coordinate preset in a building information model, identifies and locates a target node, and generates node image data, comprising: detecting a pixel matrix of the construction site image, recording a gray value and a color value of each pixel point, and generating a pixel distribution quantity; Dividing the pixel matrix into a plurality of region blocks based on the pixel distribution quantity, calculating the proportion of the number of pixel points of each region block to the number of whole pixels, and generating a region concentration coefficient; according to the regional concentration coefficient, calling a control node coordinate in the building information model, and calculating the superposition ratio of each regional block and the control node; And screening the regional block with the highest overlapping proportion with the control node, and outputting pixel distribution, spatial position and represented structural form information of the regional block as node image data.
  3. 3. The method for tracing the construction quality of a building main body according to claim 1, wherein the construction environment parameters include an environment temperature and an air humidity, and the physical state parameters include a vibration parameter; The step of collecting construction environment parameters and physical state parameters of the target node based on the target node associated with the node image data and generating a multi-dimensional parameter set based on a time stamp index comprises the following steps: Analyzing node marks in the node image data to obtain node information of the target node, and binding the node information with a time stamp to generate image index data, wherein the node information at least comprises a space position and a type identifier; Based on the image index data, acquiring the ambient temperature and the air humidity of the target node aiming at different time stamps, and calculating a corresponding ambient temperature and humidity interval value; based on the image index data, collecting vibration parameters of the target node, wherein the vibration parameters at least comprise vibration amplitude and duration; and integrating and performing association analysis on the environmental temperature and humidity interval value, the vibration amplitude and the duration to generate a multidimensional parameter set.
  4. 4. The method for tracing the construction quality of the building main body according to claim 1, wherein the performing parameter fitting calculation on the multidimensional parameter set to generate a parameterized tag sequence for representing the construction progress and quality state comprises: respectively extracting construction progress tracking parameters and quality control node parameters based on the multidimensional parameter set, and carrying out weighted fusion calculation on the construction progress tracking parameters and the quality control node parameters to obtain parameter weighted values of comprehensive characterization progress and quality states; forming time sequence data by the parameter weighted values according to the time stamp sequence, fitting the time sequence data by adopting a least square method, and calculating a group of fitting parameter coefficients through iterative adjustment; and according to the fitting parameter coefficient, mapping the time sequence data into a progress label representing the construction progress, a quality label representing the construction quality and a node label associated with a specific construction node respectively to jointly form a parameterized label sequence.
  5. 5. The method for tracing the construction quality of a building body according to claim 1, wherein the encrypting the parameterized tag sequence and storing the parameterized tag sequence in a distributed ledger to form encrypted certification data comprises: Mapping the parameterized tag sequence into binary value units, carrying out carry processing, and recombining the binary value units before and after carry processing to generate binary sequence values; Performing exclusive-or operation on the binary sequence value and the timestamp value bit by bit, performing exclusive-or operation on the exclusive-or operation result and the corresponding bit of the node identifier value again, extracting and splicing sections of continuous same bits, and generating a key section value; dividing the binary sequence value into continuous data blocks according to the key section value, performing bit-wise encryption on each data block to generate encrypted data blocks, and calculating a hash check value of each data block by adopting a hash check algorithm; the method comprises the steps of packaging and writing each encrypted data block, a hash check value corresponding to each data block and the key section value for decryption into a distributed account book, recording block position information returned by the distributed account book as a blockchain index, and forming the encrypted certificate storage data by the key section value, the hash check value and the blockchain index.
  6. 6. The method for tracing the construction quality of a building body according to claim 1, wherein the step of performing quality responsibility tracing and construction record verification based on the encrypted certification data to generate a quality tracing verification result comprises the steps of: The block record number, the construction link identifier and the responsibility main body number in the encrypted evidence storage data are called, relevance comparison is carried out, the evidence storage matching rate is obtained through calculation, and the correspondence between the construction link and the responsibility main body is verified; Decrypting and restoring the encrypted evidence-storing data, extracting a construction link parameter sequence stored in the encrypted evidence-storing data, comparing the parameter sequence with a preset quality standard parameter interval, and calculating the parameter consistency; And synthesizing the evidence-storing matching rate and the parameter consistency degree to generate the quality tracing verification result, wherein the evidence-storing matching rate is used for judging responsibility attribution, and the parameter consistency degree is used for evaluating construction quality.
  7. 7. The utility model provides a building main part construction quality traceback system which characterized in that includes: The image recognition module is used for dividing regional blocks based on a pixel matrix of the construction site image, matching each regional block with preset control node coordinates in the building information model, recognizing and positioning target nodes to generate node image data, wherein the target nodes are construction nodes for quality control and tracing, and the recognizing and positioning the target nodes comprises the steps of calculating regional concentration coefficient of each regional block Wherein, the method comprises the steps of, Is the first The region concentration coefficients of the individual region blocks, Is the first The number of pixels of the individual region blocks is the ratio, Is the first The number of pixels of the individual region blocks, The number of the whole pixels of the image; Is the first Gray level uniformity index of each region block, Is the first The standard deviation of gray values of pixel points in each regional block, For the maximum value of the standard deviation of gray values in all the area blocks, And As the weight coefficient of the light-emitting diode, Screening candidate region blocks according to the region concentration coefficient of each region block, and calculating the superposition ratio of each candidate region block and the control node; the regional block with the highest overlapping proportion with the control node is screened out, and the regional block is the core region containing the target node; The parameter acquisition module is used for acquiring construction environment parameters and physical state parameters of the target nodes based on the target nodes related to the node image data and generating a multi-dimensional parameter set based on the time stamp indexes; the label generation module is used for carrying out parameter fitting calculation on the multidimensional parameter set to generate a parameterized label sequence for representing the construction progress and the quality state; The certificate storing management module is used for carrying out encryption processing on the parameterized tag sequence and storing the parameterized tag sequence into a distributed account book to form encrypted certificate storing data; and the traceability verification module is used for carrying out quality responsibility traceability and construction record verification based on the encrypted certification data to generate a quality traceability verification result.
  8. 8. An electronic device comprising a memory, a processor and a computer program stored on the memory and running on the processor, wherein the processor implements the building body construction quality tracing method of any one of claims 1 to 6 when the computer program is executed by the processor.
  9. 9. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the building body construction quality tracing method of any one of claims 1 to 6.
  10. 10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the construction quality tracing method of a building body according to any one of claims 1 to 6.

Description

Construction quality tracing method and system for building main body Technical Field The invention relates to the technical field of building construction management, in particular to a method and a system for tracing the construction quality of a building main body. Background The technical field of building construction management relates to the overall planning and implementation of core matters such as construction planning, construction process organization, construction quality control, construction progress coordination, construction safety management and the like in the whole engineering construction process. The technical field aims to realize standardized and controllable management of the whole construction process by systematically managing construction resource allocation, construction link connection, construction process supervision and engineering information recording. In the construction process of a main structure of a building, quality tracing and collaborative management of key nodes such as reinforcement binding, concrete pouring, formwork supporting and structure connection are vital links. However, the management mode widely adopted at present still highly depends on traditional manual supervision and paper document recording, and particularly, construction information is reserved and subsequently transferred in a decentralized mode of on-site photographing and document reservation, manual form filling, manual signing and confirmation and the like. However, in the quality tracing and collaborative management mode with manual supervision and paper document recording as cores, the information exists in the forms of photographing, manual signing and scattered storage, so that node information is easy to lose or error in multi-link transmission, and uniform and accurate time and environment data recording is lacking, which makes it difficult to comprehensively and accurately monitor the construction progress and quality state in real time. Disclosure of Invention The invention provides a construction quality tracing method and system for a building main body, which are used for solving the problems that in the prior art, the construction progress and the quality state are difficult to comprehensively and accurately monitor in real time in a quality tracing and collaborative management mode with manual supervision and paper document recording as cores. The technical scheme provided by the invention is as follows: In a first aspect, the present invention provides a method for tracing construction quality of a building main body, including: dividing regional blocks based on a pixel matrix of a construction site image, matching each regional block with preset control node coordinates in a building information model, identifying and positioning a target node, and generating node image data, wherein the target node is a construction node for quality control and tracing; based on a target node associated with the node image data, acquiring construction environment parameters and physical state parameters of the target node, and generating a multi-dimensional parameter set based on a time stamp index; performing parameter fitting calculation on the multidimensional parameter set to generate a parameterized tag sequence for representing construction progress and quality state; Encrypting the parameterized tag sequence and storing the parameterized tag sequence into a distributed account book to form encrypted certificate-storing data; and carrying out quality responsibility tracing and construction record verification based on the encrypted certification data to generate a quality tracing verification result. Optionally, the dividing the area blocks by the pixel matrix based on the construction site image, matching each area block with a preset control node coordinate in the building information model, identifying and locating a target node, and generating node image data includes: detecting a pixel matrix of the construction site image, recording a gray value and a color value of each pixel point, and generating a pixel distribution quantity; Dividing the pixel matrix into a plurality of region blocks based on the pixel distribution quantity, calculating the proportion of the number of pixel points of each region block to the number of whole pixels, and generating a region concentration coefficient; according to the regional concentration coefficient, calling a control node coordinate in the building information model, and calculating the superposition ratio of each regional block and the control node; And screening the regional block with the highest overlapping proportion with the control node, and outputting pixel distribution, spatial position and represented structural form information of the regional block as node image data. Optionally, the construction environment parameters include an environment temperature and an air humidity, and the physical state parameters include a vibration par