CN-121977728-A - Building machine structural stress real-time monitoring method and early warning system integrating construction environment data

CN121977728ACN 121977728 ACN121977728 ACN 121977728ACN-121977728-A

Abstract

The invention relates to the technical field of building construction safety monitoring, and discloses a building machine structural stress real-time monitoring method integrating construction environment data. The invention aims to solve the problems that in the prior art, the building machine is difficult to accurately and dynamically evaluate the structural health state under the combined action of the construction environment and the working load and early risk early warning. According to the invention, a dynamic safety reference model fused with real-time working conditions and environment data is established, a reference stress value of the structure in a current state is calculated, and the reference stress value is compared with a real-time measurement stress value to obtain a stress deviation value as a basis for safety evaluation. The method effectively distinguishes the stress change caused by normal operation load and structural abnormality, realizes the identification of potential risks in early structural stage, and can trigger grading early warning and automatic interlocking shutdown according to the risk grade, thereby improving the accuracy and reliability of monitoring the structural safety state of the building machine.

Inventors

LI LEI
BAO HAN
FENG SHUAI
WU YINGCHEN
ZHOU XIANYANG
WANG JINGXIONG
ZHANG RUOHAO
Lv Qianghua
Pan Pengchao
HAN YILUN
ZHANG TAO
CHEN GANG
XIONG JIAN
XU LINFEI
MEI JIANGTAO
XU XIAOHUI
XIAO HAN
YUAN CHENG
MA HUAIZHANG
ZHU HAI
QUAN YOUWEI

Assignees

中建八局第三建设有限公司

Dates

Publication Date: 20260505
Application Date: 20251212

Claims (10)

1. The building machine structural stress real-time monitoring method integrating construction environment data is characterized by comprising the following steps of: S1, carrying out structural analysis on a building machine to determine key measuring points, installing stress sensors on the key measuring points, and simultaneously installing environment sensors and working condition sensors on the building machine; S2, synchronously acquiring data of the stress sensor, the environment sensor and the working condition sensor in real time to obtain real-time stress data, real-time environment data and real-time working condition data containing acquisition time information; s3, based on historical safety data, a dynamic safety reference model for mapping the real-time environment data and the real-time working condition data to reference stress values is established, and the reference stress values corresponding to the real-time stress data are calculated through the dynamic safety reference model according to the collected real-time environment data and the real-time working condition data; s4, comparing the real-time stress data with the reference stress value to obtain a stress deviation value, and triggering corresponding early warning information according to whether the stress deviation value reaches a preset early warning threshold value or not.
2. The method for monitoring structural stress of building machine in real time by fusing construction environment data according to claim 1, wherein the step of analyzing the structure of the building machine to determine key measuring points comprises the steps of simulating stress conditions of the building machine under limit working conditions through computer structure simulation analysis, and identifying a stress concentration area as the key measuring points, wherein the environment sensor comprises an anemograph and a temperature sensor which are arranged on the building machine.
3. The method for monitoring structural stress of building machine in real time by fusing construction environment data according to claim 1, wherein a working condition sensor for acquiring real-time working condition is installed on working equipment of the building machine, the working condition sensor comprises a weighing sensor installed on material lifting equipment and a displacement sensor installed on a jacking system, the step of synchronously collecting data in real time further comprises synchronously collecting real-time working condition data of the working condition sensor, and the dynamic safety benchmark model further takes the real-time working condition data as input for calculating the reference stress value.
4. The method for monitoring the structural stress of a building machine in real time by fusing construction environment data according to claim 1, wherein the step of preprocessing the collected data before calculation by the dynamic safety reference model comprises the steps of filtering, denoising and outlier rejection processing on the real-time stress data and converting an original signal of the stress sensor into a stress value expressed in a pressure unit.
5. The building machine structure stress real-time monitoring method based on the construction environment data, according to claim 1, is characterized in that the dynamic safety reference model is built based on a neural network algorithm, the building process comprises the steps of taking environment data and working condition data in the historical safety data as input, wherein the environment data comprise wind speed and temperature data, the working condition data comprise load weight and jacking displacement data, and the corresponding stress data are taken as output labels, and training the neural network algorithm to master the mapping relation among the environment data, the working condition data and the stress data.
6. The method for monitoring structural stress of building machine in real time by fusing construction environment data according to claim 1, wherein the preset early warning threshold comprises an initial attention threshold and a potential risk threshold higher than the initial attention threshold, and the step of triggering corresponding early warning information according to the stress deviation value comprises the steps of triggering first-level early warning information when the stress deviation value exceeds the initial attention threshold but does not reach the potential risk threshold, and triggering second-level early warning information when the stress deviation value exceeds the potential risk threshold.
7. The method for monitoring the structural stress of the building machine in real time by fusing construction environment data according to claim 6, wherein the highest emergency danger threshold is set, three-level emergency early warning information is triggered when the stress deviation value exceeds the emergency danger threshold, and an emergency stop instruction is automatically sent to an operation control unit of the building machine when the three-level emergency early warning information is triggered, so that the building machine is controlled to enter a safe state.
8. Building machine structural stress real-time supervision early warning system of fusion construction environment data, its characterized in that includes: The sensing module is arranged on the building machine and comprises a stress sensor for monitoring structural stress, an environment sensor for acquiring construction environment data and a working condition sensor for acquiring real-time working state; the data acquisition module is connected with the sensing module and is used for synchronously acquiring the data of the stress sensor and the environment sensor in real time to obtain real-time stress data, real-time environment data and real-time working condition data containing acquisition time information; The central processing module is connected with the data acquisition module, is embedded with a dynamic safety reference model which is built based on historical safety data and is used for mapping the real-time environment data and the real-time working condition data to a reference stress value, and is used for calculating the reference stress value corresponding to the real-time stress data through the dynamic safety reference model according to the acquired real-time environment data and the real-time working condition data, and comparing the real-time stress data with the reference stress value to obtain a stress deviation value; And the early warning module is connected with the central processing module and is used for triggering corresponding early warning information according to whether the stress deviation value reaches a preset early warning threshold value.
9. The building machine structural stress real-time monitoring and early warning system based on the construction environment data fusion according to claim 8, wherein the central processing module is further used for preprocessing the collected data before calculation, the preprocessing comprises the steps of filtering, denoising and outlier rejection processing on the real-time stress data, and a dynamic safety reference model in the central processing module is established based on a neural network algorithm.
10. The building machine structure stress real-time monitoring and early warning system based on the construction environment data fusion according to claim 8, wherein a multi-stage early warning threshold comprising an initial attention threshold and a potential risk threshold higher than the initial attention threshold is preset in the early warning module, when the stress deviation values respectively reach the early warning thresholds of different grades, the early warning module triggers early warning information of different grades corresponding to the early warning threshold, and when the emergency early warning information of the highest grade is triggered, the early warning module is further used for automatically sending an emergency stop instruction to an operation control unit of the building machine.

Description

Building machine structural stress real-time monitoring method and early warning system integrating construction environment data Technical Field The invention relates to the technical field of building construction safety monitoring, in particular to a building machine structural stress real-time monitoring method and an early warning system based on construction environment data. Background Building machine, as a new kind of major construction equipment integrating various advanced technologies, is leading to the transformation of building industrialization. Through the large-scale aerial operation platform that can climb certainly, with functions such as the vertical transportation of traditional building site, template support, outer protection frame in an organic whole, realized the assembly line work mode of batch production, greatly promoted super high-rise building's efficiency of construction. At present, aiming at the safety monitoring of large and complex steel structure equipment such as building machines, the technical means mainly comprise periodic appearance inspection, nondestructive inspection of key parts and the addition of stress or displacement alarm devices based on fixed threshold values on part of key bearing structures. These traditional monitoring means guarantee the basic operation safety of the equipment to a certain extent. As building machines move toward larger, heavier, higher integration levels, the mechanical conditions they are subjected to in complex and diverse construction environments become extraordinarily complex. The prior safety monitoring means generally has the substantial technical problem of accurately and dynamically evaluating and early-stage risk early warning on the structural health state of the building machine under the coupling action of wind load, operation load and other factors. The traditional regular inspection can not capture the structural damage and fatigue accumulation which occur instantaneously, but the alarm system based on the fixed stress threshold value can not distinguish the normal operation load from the stress change caused by the abnormal structural damage, so that false alarm and missing alarm are often caused, and the real safety risk is difficult to effectively identify and early warn before the irreversible damage of the structure occurs. Disclosure of Invention The present invention has been made in view of the above-described problems occurring in the prior art. Therefore, in order to solve the problem that in the prior art, the building machine is difficult to accurately and dynamically evaluate the structural health state under the combined action of the construction environment and the working load and early risk early warning, the invention provides a building machine structural stress real-time monitoring method and an early warning system which are fused with construction environment data. In order to solve the technical problems, the invention provides the following technical scheme: In a first aspect, the invention provides a building machine structural stress real-time monitoring method integrating construction environment data, which comprises the following steps, S1, carrying out structural analysis on a building machine to determine key measuring points, installing stress sensors on the key measuring points, and simultaneously installing environment sensors and working condition sensors on the building machine; S2, synchronously acquiring data of the stress sensor, the environment sensor and the working condition sensor in real time to obtain real-time stress data, real-time environment data and real-time working condition data containing acquisition time information; s3, based on historical safety data, a dynamic safety reference model for mapping the real-time environment data and the real-time working condition data to reference stress values is established, and the reference stress values corresponding to the real-time stress data are calculated through the dynamic safety reference model according to the collected real-time environment data and the real-time working condition data; s4, comparing the real-time stress data with the reference stress value to obtain a stress deviation value, and triggering corresponding early warning information according to whether the stress deviation value reaches a preset early warning threshold value or not. The invention relates to a construction environment data fusion building machine structure stress real-time monitoring method, which comprises the following steps of carrying out structure analysis on a building machine to determine key measuring points, installing stress sensors on the key measuring points, and installing environment sensors for acquiring the construction environment data on the building machine, wherein the specific steps are as follows: The stress condition of the building machine under the limit working condition is simulated through computer structure